#include #include #define _USE_MATH_DEFINES #include #include "quakedef.h" #include "dpsoftrast.h" #ifndef __cplusplus typedef qboolean bool; #endif #if defined(__GNUC__) #define ALIGN(var) var __attribute__((__aligned__(16))) #elif defined(_MSC_VER) #define ALIGN(var) __declspec(align(16)) var #else #define ALIGN(var) var #endif #ifdef SSE2_PRESENT #include #define MM_MALLOC(size) _mm_malloc(size, 16) static void *MM_CALLOC(size_t nmemb, size_t size) { void *ptr = _mm_malloc(nmemb*size, 16); if(ptr != NULL) memset(ptr, 0, nmemb*size); return ptr; } #define MM_FREE _mm_free #else #define MM_MALLOC(size) malloc(size) #define MM_CALLOC(nmemb, size) calloc(nmemb, size) #define MM_FREE free #endif typedef enum DPSOFTRAST_ARRAY_e { DPSOFTRAST_ARRAY_POSITION, DPSOFTRAST_ARRAY_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, DPSOFTRAST_ARRAY_TEXCOORD1, DPSOFTRAST_ARRAY_TEXCOORD2, DPSOFTRAST_ARRAY_TEXCOORD3, DPSOFTRAST_ARRAY_TEXCOORD4, DPSOFTRAST_ARRAY_TEXCOORD5, DPSOFTRAST_ARRAY_TEXCOORD6, DPSOFTRAST_ARRAY_TEXCOORD7, DPSOFTRAST_ARRAY_TOTAL } DPSOFTRAST_ARRAY; typedef struct DPSOFTRAST_Texture_s { int flags; int width; int height; int depth; int sides; DPSOFTRAST_TEXTURE_FILTER filter; int mipmaps; int size; unsigned char *bytes; int mipmap[DPSOFTRAST_MAXMIPMAPS][5]; } DPSOFTRAST_Texture; typedef struct DPSOFTRAST_State_User_s { int colormask[4]; int blendfunc[2]; int blendsubtract; int depthmask; int depthtest; int depthfunc; int scissortest; int cullface; int alphatest; int alphafunc; float alphavalue; int scissor[4]; int viewport[4]; float depthrange[2]; float polygonoffset[2]; float color[4]; } DPSOFTRAST_State_User; #define DPSOFTRAST_MAXSUBSPAN 16 typedef ALIGN(struct DPSOFTRAST_State_Draw_Span_s { int start; // pixel index int length; // pixel count int startx; // usable range (according to pixelmask) int endx; // usable range (according to pixelmask) unsigned char mip[DPSOFTRAST_MAXTEXTUREUNITS]; // texcoord to screen space density values (for picking mipmap of textures) unsigned char *pixelmask; // true for pixels that passed depth test, false for others // [0][n][] is start interpolant values (projected) // [1][n][] is end interpolant values (projected) // [0][DPSOFTRAST_ARRAY_TOTAL][] is start screencoord4f // [1][DPSOFTRAST_ARRAY_TOTAL][] is end screencoord4f // NOTE: screencoord4f[3] is W (basically 1/Z), useful for depthbuffer ALIGN(float data[2][DPSOFTRAST_ARRAY_TOTAL+1][4]); } DPSOFTRAST_State_Draw_Span); #define DPSOFTRAST_DRAW_MAXSPANQUEUE 1024 typedef struct DPSOFTRAST_State_Draw_s { int numvertices; int maxvertices; float *in_array4f[DPSOFTRAST_ARRAY_TOTAL]; float *post_array4f[DPSOFTRAST_ARRAY_TOTAL]; float *screencoord4f; // spans are queued in this structure for dispatch to the pixel shader, // partly to improve cache locality, partly for batching purposes, spans // are flushed before DrawTriangles returns to caller int numspans; DPSOFTRAST_State_Draw_Span spanqueue[DPSOFTRAST_DRAW_MAXSPANQUEUE]; } DPSOFTRAST_State_Draw; #define DPSOFTRAST_VALIDATE_FB 1 #define DPSOFTRAST_VALIDATE_DEPTHFUNC 2 #define DPSOFTRAST_VALIDATE_BLENDFUNC 4 #define DPSOFTRAST_VALIDATE_DRAW (DPSOFTRAST_VALIDATE_FB | DPSOFTRAST_VALIDATE_DEPTHFUNC | DPSOFTRAST_VALIDATE_BLENDFUNC) typedef enum DPSOFTRAST_BLENDMODE_e { DPSOFTRAST_BLENDMODE_OPAQUE, DPSOFTRAST_BLENDMODE_ALPHA, DPSOFTRAST_BLENDMODE_ADDALPHA, DPSOFTRAST_BLENDMODE_ADD, DPSOFTRAST_BLENDMODE_INVMOD, DPSOFTRAST_BLENDMODE_MUL, DPSOFTRAST_BLENDMODE_MUL2, DPSOFTRAST_BLENDMODE_SUBALPHA, DPSOFTRAST_BLENDMODE_PSEUDOALPHA, DPSOFTRAST_BLENDMODE_TOTAL } DPSOFTRAST_BLENDMODE; typedef ALIGN(struct DPSOFTRAST_State_s { // DPSOFTRAST_VALIDATE_ flags int validate; int fb_colormask; int fb_width; int fb_height; unsigned int *fb_depthpixels; unsigned int *fb_colorpixels[4]; const float *pointer_vertex3f; const float *pointer_color4f; const unsigned char *pointer_color4ub; const float *pointer_texcoordf[DPSOFTRAST_MAXTEXCOORDARRAYS]; int stride_vertex; int stride_color; int stride_texcoord[DPSOFTRAST_MAXTEXCOORDARRAYS]; int components_texcoord[DPSOFTRAST_MAXTEXCOORDARRAYS]; DPSOFTRAST_Texture *texbound[DPSOFTRAST_MAXTEXTUREUNITS]; int shader_mode; int shader_permutation; ALIGN(float uniform4f[DPSOFTRAST_UNIFORM_TOTAL*4]); int uniform1i[DPSOFTRAST_UNIFORM_TOTAL]; // derived values (DPSOFTRAST_VALIDATE_FB) int fb_clearscissor[4]; int fb_viewport[4]; int fb_viewportscissor[4]; ALIGN(float fb_viewportcenter[4]); ALIGN(float fb_viewportscale[4]); // derived values (DPSOFTRAST_VALIDATE_DEPTHFUNC) int fb_depthfunc; // derived values (DPSOFTRAST_VALIDATE_BLENDFUNC) int fb_blendmode; int texture_max; int texture_end; int texture_firstfree; DPSOFTRAST_Texture *texture; int bigendian; // error reporting const char *errorstring; DPSOFTRAST_State_User user; DPSOFTRAST_State_Draw draw; } DPSOFTRAST_State); DPSOFTRAST_State dpsoftrast; extern int dpsoftrast_test; #define DPSOFTRAST_DEPTHSCALE (1024.0f*1048576.0f) #define DPSOFTRAST_DEPTHOFFSET (128.0f) #define DPSOFTRAST_BGRA8_FROM_RGBA32F(r,g,b,a) (((int)(r * 255.0f + 0.5f) << 16) | ((int)(g * 255.0f + 0.5f) << 8) | (int)(b * 255.0f + 0.5f) | ((int)(a * 255.0f + 0.5f) << 24)) #define DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d) ((int)(DPSOFTRAST_DEPTHSCALE * (1-d))) #define DPSOFTRAST_DRAW_MAXSPANLENGTH 256 void DPSOFTRAST_RecalcFB(void) { // calculate framebuffer scissor, viewport, viewport clipped by scissor, // and viewport projection values int x1, x2, x3, x4, x5, x6; int y1, y2, y3, y4, y5, y6; x1 = dpsoftrast.user.scissor[0]; x2 = dpsoftrast.user.scissor[0] + dpsoftrast.user.scissor[2]; x3 = dpsoftrast.user.viewport[0]; x4 = dpsoftrast.user.viewport[0] + dpsoftrast.user.viewport[2]; y1 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1] - dpsoftrast.user.scissor[3]; y2 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1]; y3 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - dpsoftrast.user.viewport[3]; y4 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1]; if (!dpsoftrast.user.scissortest) {x1 = 0;y1 = 0;x2 = dpsoftrast.fb_width;y2 = dpsoftrast.fb_height;} if (x1 < 0) x1 = 0; if (x2 > dpsoftrast.fb_width) x2 = dpsoftrast.fb_width; if (x3 < 0) x1 = 0; if (x4 > dpsoftrast.fb_width) x4 = dpsoftrast.fb_width; if (y1 < 0) y1 = 0; if (y2 > dpsoftrast.fb_height) y2 = dpsoftrast.fb_height; if (y3 < 0) y1 = 0; if (y4 > dpsoftrast.fb_height) y4 = dpsoftrast.fb_height; x5 = x1;if (x5 < x3) x5 = x3; x6 = x2;if (x6 > x4) x4 = x4; y5 = y1;if (y5 < y3) y5 = y3; y6 = y2;if (y6 > y4) y6 = y4; dpsoftrast.fb_clearscissor[0] = x1; dpsoftrast.fb_clearscissor[1] = y1; dpsoftrast.fb_clearscissor[2] = x2 - x1; dpsoftrast.fb_clearscissor[3] = y2 - y1; dpsoftrast.fb_viewport[0] = x3; dpsoftrast.fb_viewport[1] = y3; dpsoftrast.fb_viewport[2] = x4 - x3; dpsoftrast.fb_viewport[3] = y4 - y3; dpsoftrast.fb_viewportscissor[0] = x5; dpsoftrast.fb_viewportscissor[1] = y5; dpsoftrast.fb_viewportscissor[2] = x6 - x5; dpsoftrast.fb_viewportscissor[3] = y6 - y5; dpsoftrast.fb_viewportcenter[1] = dpsoftrast.user.viewport[0] + 0.5f * dpsoftrast.user.viewport[2] - 0.5f; dpsoftrast.fb_viewportcenter[2] = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - 0.5f * dpsoftrast.user.viewport[3] - 0.5f; dpsoftrast.fb_viewportcenter[3] = 0.5f; dpsoftrast.fb_viewportcenter[0] = 0.0f; dpsoftrast.fb_viewportscale[1] = 0.5f * dpsoftrast.user.viewport[2]; dpsoftrast.fb_viewportscale[2] = -0.5f * dpsoftrast.user.viewport[3]; dpsoftrast.fb_viewportscale[3] = 0.5f; dpsoftrast.fb_viewportscale[0] = 1.0f; } void DPSOFTRAST_RecalcDepthFunc(void) { dpsoftrast.fb_depthfunc = dpsoftrast.user.depthtest ? dpsoftrast.user.depthfunc : GL_ALWAYS; } int blendmodetable[][4] = { {DPSOFTRAST_BLENDMODE_OPAQUE, GL_ONE, GL_ZERO, false}, {DPSOFTRAST_BLENDMODE_ALPHA, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, false}, {DPSOFTRAST_BLENDMODE_ADDALPHA, GL_SRC_ALPHA, GL_ONE, false}, {DPSOFTRAST_BLENDMODE_ADD, GL_ONE, GL_ONE, false}, {DPSOFTRAST_BLENDMODE_INVMOD, GL_ZERO, GL_ONE_MINUS_SRC_COLOR, false}, {DPSOFTRAST_BLENDMODE_MUL, GL_ZERO, GL_SRC_COLOR, false}, {DPSOFTRAST_BLENDMODE_MUL, GL_DST_COLOR, GL_ZERO, false}, {DPSOFTRAST_BLENDMODE_MUL2, GL_DST_COLOR, GL_SRC_COLOR, false}, {DPSOFTRAST_BLENDMODE_PSEUDOALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA, false}, {DPSOFTRAST_BLENDMODE_SUBALPHA, GL_SRC_COLOR, GL_ONE, true} }; void DPSOFTRAST_RecalcBlendFunc(void) { int i; dpsoftrast.fb_blendmode = DPSOFTRAST_BLENDMODE_OPAQUE; for (i = 0;i < (int)(sizeof(blendmodetable) / sizeof(blendmodetable[0]));i++) { if (dpsoftrast.user.blendfunc[0] == blendmodetable[i][1] && dpsoftrast.user.blendfunc[1] == blendmodetable[i][2] && dpsoftrast.user.blendsubtract == blendmodetable[i][3]) { dpsoftrast.fb_blendmode = blendmodetable[i][0]; break; } } } #define DPSOFTRAST_ValidateQuick(f) ((dpsoftrast.validate & (f)) ? (DPSOFTRAST_Validate(f), 0) : 0) void DPSOFTRAST_Validate(int mask) { mask &= dpsoftrast.validate; if (!mask) return; if (mask & DPSOFTRAST_VALIDATE_FB) { dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_FB; DPSOFTRAST_RecalcFB(); } if (mask & DPSOFTRAST_VALIDATE_DEPTHFUNC) { dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_DEPTHFUNC; DPSOFTRAST_RecalcDepthFunc(); } if (mask & DPSOFTRAST_VALIDATE_BLENDFUNC) { dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_BLENDFUNC; DPSOFTRAST_RecalcBlendFunc(); } } DPSOFTRAST_Texture *DPSOFTRAST_Texture_GetByIndex(int index) { if (index >= 1 && index < dpsoftrast.texture_end && dpsoftrast.texture[index].bytes) return &dpsoftrast.texture[index]; return NULL; } int DPSOFTRAST_Texture_New(int flags, int width, int height, int depth) { int w; int h; int d; int size; int s; int texnum; int mipmaps; int sides = (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) ? 6 : 1; int texformat = flags & DPSOFTRAST_TEXTURE_FORMAT_COMPAREMASK; DPSOFTRAST_Texture *texture; if (width*height*depth < 1) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: width, height or depth is less than 1"; return 0; } if (width > DPSOFTRAST_TEXTURE_MAXSIZE || height > DPSOFTRAST_TEXTURE_MAXSIZE || depth > DPSOFTRAST_TEXTURE_MAXSIZE) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: texture size is too large"; return 0; } switch(texformat) { case DPSOFTRAST_TEXTURE_FORMAT_BGRA8: case DPSOFTRAST_TEXTURE_FORMAT_RGBA8: case DPSOFTRAST_TEXTURE_FORMAT_ALPHA8: break; case DPSOFTRAST_TEXTURE_FORMAT_DEPTH: if (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures"; return 0; } if (depth != 1) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures"; return 0; } if ((flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && (texformat == DPSOFTRAST_TEXTURE_FORMAT_DEPTH)) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH does not permit mipmaps"; return 0; } break; } if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP)) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_CUBEMAP can not be used on 3D textures"; return 0; } if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP)) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures"; return 0; } if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP)) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures"; return 0; } if ((flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP)) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on cubemap textures"; return 0; } if ((width & (width-1)) || (height & (height-1)) || (depth & (depth-1))) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: dimensions are not power of two"; return 0; } // find first empty slot in texture array for (texnum = dpsoftrast.texture_firstfree;texnum < dpsoftrast.texture_end;texnum++) if (!dpsoftrast.texture[texnum].bytes) break; dpsoftrast.texture_firstfree = texnum + 1; if (dpsoftrast.texture_max <= texnum) { // expand texture array as needed if (dpsoftrast.texture_max < 1024) dpsoftrast.texture_max = 1024; else dpsoftrast.texture_max *= 2; dpsoftrast.texture = (DPSOFTRAST_Texture *)realloc(dpsoftrast.texture, dpsoftrast.texture_max * sizeof(DPSOFTRAST_Texture)); } if (dpsoftrast.texture_end <= texnum) dpsoftrast.texture_end = texnum + 1; texture = &dpsoftrast.texture[texnum]; memset(texture, 0, sizeof(*texture)); texture->flags = flags; texture->width = width; texture->height = height; texture->depth = depth; texture->sides = sides; w = width; h = height; d = depth; size = 0; mipmaps = 0; w = width; h = height; d = depth; for (;;) { s = w * h * d * sides * 4; texture->mipmap[mipmaps][0] = size; texture->mipmap[mipmaps][1] = s; texture->mipmap[mipmaps][2] = w; texture->mipmap[mipmaps][3] = h; texture->mipmap[mipmaps][4] = d; size += s; mipmaps++; if (w * h * d == 1 || !(flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP)) break; if (w > 1) w >>= 1; if (h > 1) h >>= 1; if (d > 1) d >>= 1; } texture->mipmaps = mipmaps; texture->size = size; // allocate the pixels now texture->bytes = (unsigned char *)MM_CALLOC(1, size); return texnum; } void DPSOFTRAST_Texture_Free(int index) { DPSOFTRAST_Texture *texture; texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return; if (texture->bytes) MM_FREE(texture->bytes); texture->bytes = NULL; memset(texture, 0, sizeof(*texture)); // adjust the free range and used range if (dpsoftrast.texture_firstfree > index) dpsoftrast.texture_firstfree = index; while (dpsoftrast.texture_end > 0 && dpsoftrast.texture[dpsoftrast.texture_end-1].bytes == NULL) dpsoftrast.texture_end--; } void DPSOFTRAST_Texture_CalculateMipmaps(int index) { int i, x, y, z, w, layer0, layer1, row0, row1; unsigned char *o, *i0, *i1, *i2, *i3; DPSOFTRAST_Texture *texture; texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return; if (texture->mipmaps <= 1) return; for (i = 1;i < texture->mipmaps;i++) { for (z = 0;z < texture->mipmap[i][4];z++) { layer0 = z*2; layer1 = z*2+1; if (layer1 >= texture->mipmap[i-1][4]) layer1 = texture->mipmap[i-1][4]-1; for (y = 0;y < texture->mipmap[i][3];y++) { row0 = y*2; row1 = y*2+1; if (row1 >= texture->mipmap[i-1][3]) row1 = texture->mipmap[i-1][3]-1; o = texture->bytes + texture->mipmap[i ][0] + 4*((texture->mipmap[i ][3] * z + y ) * texture->mipmap[i ][2]); i0 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row0) * texture->mipmap[i-1][2]); i1 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row1) * texture->mipmap[i-1][2]); i2 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row0) * texture->mipmap[i-1][2]); i3 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row1) * texture->mipmap[i-1][2]); w = texture->mipmap[i][2]; if (layer1 > layer0) { if (texture->mipmap[i-1][2] > 1) { // average 3D texture for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8, i2 += 8, i3 += 8) { o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + i2[0] + i2[4] + i3[0] + i3[4] + 4) >> 3; o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + i2[1] + i2[5] + i3[1] + i3[5] + 4) >> 3; o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + i2[2] + i2[6] + i3[2] + i3[6] + 4) >> 3; o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + i2[3] + i2[7] + i3[3] + i3[7] + 4) >> 3; } } else { // average 3D mipmap with parent width == 1 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8) { o[0] = (i0[0] + i1[0] + i2[0] + i3[0] + 2) >> 2; o[1] = (i0[1] + i1[1] + i2[1] + i3[1] + 2) >> 2; o[2] = (i0[2] + i1[2] + i2[2] + i3[2] + 2) >> 2; o[3] = (i0[3] + i1[3] + i2[3] + i3[3] + 2) >> 2; } } } else { if (texture->mipmap[i-1][2] > 1) { // average 2D texture (common case) for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8) { o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + 2) >> 2; o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + 2) >> 2; o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + 2) >> 2; o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + 2) >> 2; } } else { // 2D texture with parent width == 1 o[0] = (i0[0] + i1[0] + 1) >> 1; o[1] = (i0[1] + i1[1] + 1) >> 1; o[2] = (i0[2] + i1[2] + 1) >> 1; o[3] = (i0[3] + i1[3] + 1) >> 1; } } } } } } void DPSOFTRAST_Texture_UpdatePartial(int index, int mip, const unsigned char *pixels, int blockx, int blocky, int blockwidth, int blockheight) { DPSOFTRAST_Texture *texture; unsigned char *dst; texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return; dst = texture->bytes + (blocky * texture->mipmap[0][2] + blockx) * 4; while (blockheight > 0) { memcpy(dst, pixels, blockwidth * 4); pixels += blockwidth * 4; dst += texture->mipmap[0][2] * 4; blockheight--; } DPSOFTRAST_Texture_CalculateMipmaps(index); } void DPSOFTRAST_Texture_UpdateFull(int index, const unsigned char *pixels) { DPSOFTRAST_Texture *texture; texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return; memcpy(texture->bytes, pixels, texture->mipmap[0][1]); DPSOFTRAST_Texture_CalculateMipmaps(index); } int DPSOFTRAST_Texture_GetWidth(int index, int mip) { DPSOFTRAST_Texture *texture; texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0; return texture->mipmap[mip][2]; } int DPSOFTRAST_Texture_GetHeight(int index, int mip) { DPSOFTRAST_Texture *texture; texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0; return texture->mipmap[mip][3]; } int DPSOFTRAST_Texture_GetDepth(int index, int mip) { DPSOFTRAST_Texture *texture; texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0; return texture->mipmap[mip][4]; } unsigned char *DPSOFTRAST_Texture_GetPixelPointer(int index, int mip) { DPSOFTRAST_Texture *texture; texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0; return texture->bytes + texture->mipmap[mip][0]; } void DPSOFTRAST_Texture_Filter(int index, DPSOFTRAST_TEXTURE_FILTER filter) { DPSOFTRAST_Texture *texture; texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return; if (!(texture->flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && filter > DPSOFTRAST_TEXTURE_FILTER_LINEAR) { dpsoftrast.errorstring = "DPSOFTRAST_Texture_Filter: requested filter mode requires mipmaps"; return; } texture->filter = filter; } void DPSOFTRAST_SetRenderTargets(int width, int height, unsigned int *depthpixels, unsigned int *colorpixels0, unsigned int *colorpixels1, unsigned int *colorpixels2, unsigned int *colorpixels3) { dpsoftrast.fb_width = width; dpsoftrast.fb_height = height; dpsoftrast.fb_depthpixels = depthpixels; dpsoftrast.fb_colorpixels[0] = colorpixels0; dpsoftrast.fb_colorpixels[1] = colorpixels1; dpsoftrast.fb_colorpixels[2] = colorpixels2; dpsoftrast.fb_colorpixels[3] = colorpixels3; } void DPSOFTRAST_Viewport(int x, int y, int width, int height) { dpsoftrast.user.viewport[0] = x; dpsoftrast.user.viewport[1] = y; dpsoftrast.user.viewport[2] = width; dpsoftrast.user.viewport[3] = height; dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB; } void DPSOFTRAST_ClearColor(float r, float g, float b, float a) { int i, x1, y1, x2, y2, w, h, x, y; unsigned int *p; unsigned int c; DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB); x1 = dpsoftrast.fb_clearscissor[0]; y1 = dpsoftrast.fb_clearscissor[1]; x2 = dpsoftrast.fb_clearscissor[2]; y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3]; w = x2 - x1; h = y2 - y1; if (w < 1 || h < 1) return; // FIXME: honor dpsoftrast.fb_colormask? c = DPSOFTRAST_BGRA8_FROM_RGBA32F(r,g,b,a); for (i = 0;i < 4;i++) { if (!dpsoftrast.fb_colorpixels[i]) continue; for (y = y1;y < y2;y++) { p = dpsoftrast.fb_colorpixels[i] + y * dpsoftrast.fb_width; for (x = x1;x < x2;x++) p[x] = c; } } } void DPSOFTRAST_ClearDepth(float d) { int x1, y1, x2, y2, w, h, x, y; unsigned int *p; unsigned int c; DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB); x1 = dpsoftrast.fb_clearscissor[0]; y1 = dpsoftrast.fb_clearscissor[1]; x2 = dpsoftrast.fb_clearscissor[2]; y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3]; w = x2 - x1; h = y2 - y1; if (w < 1 || h < 1) return; c = DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d); for (y = y1;y < y2;y++) { p = dpsoftrast.fb_depthpixels + y * dpsoftrast.fb_width; for (x = x1;x < x2;x++) p[x] = c; } } void DPSOFTRAST_ColorMask(int r, int g, int b, int a) { dpsoftrast.user.colormask[0] = r != 0; dpsoftrast.user.colormask[1] = g != 0; dpsoftrast.user.colormask[2] = b != 0; dpsoftrast.user.colormask[3] = a != 0; dpsoftrast.fb_colormask = ((-dpsoftrast.user.colormask[0]) & 0x00FF0000) | ((-dpsoftrast.user.colormask[1]) & 0x0000FF00) | ((-dpsoftrast.user.colormask[2]) & 0x000000FF) | ((-dpsoftrast.user.colormask[3]) & 0xFF000000); } void DPSOFTRAST_DepthTest(int enable) { dpsoftrast.user.depthtest = enable; dpsoftrast.validate |= DPSOFTRAST_VALIDATE_DEPTHFUNC; } void DPSOFTRAST_ScissorTest(int enable) { dpsoftrast.user.scissortest = enable; dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB; } void DPSOFTRAST_Scissor(float x, float y, float width, float height) { dpsoftrast.user.scissor[0] = x; dpsoftrast.user.scissor[1] = y; dpsoftrast.user.scissor[2] = width; dpsoftrast.user.scissor[3] = height; dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB; } void DPSOFTRAST_BlendFunc(int smodulate, int dmodulate) { // FIXME: validate dpsoftrast.user.blendfunc[0] = smodulate; dpsoftrast.user.blendfunc[1] = dmodulate; dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC; } void DPSOFTRAST_BlendSubtract(int enable) { dpsoftrast.user.blendsubtract = enable != 0; dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC; } void DPSOFTRAST_DepthMask(int enable) { dpsoftrast.user.depthmask = enable; } void DPSOFTRAST_DepthFunc(int comparemode) { // FIXME: validate dpsoftrast.user.depthfunc = comparemode; } void DPSOFTRAST_DepthRange(float range0, float range1) { dpsoftrast.user.depthrange[0] = range0; dpsoftrast.user.depthrange[1] = range1; } void DPSOFTRAST_PolygonOffset(float alongnormal, float intoview) { dpsoftrast.user.polygonoffset[0] = alongnormal; dpsoftrast.user.polygonoffset[1] = intoview; } void DPSOFTRAST_CullFace(int mode) { // FIXME: validate dpsoftrast.user.cullface = mode; } void DPSOFTRAST_AlphaTest(float enable) { dpsoftrast.user.alphatest = enable; } void DPSOFTRAST_AlphaFunc(int alphafunc, float alphavalue) { // FIXME: validate dpsoftrast.user.alphafunc = alphafunc; dpsoftrast.user.alphavalue = alphavalue; } void DPSOFTRAST_Color4f(float r, float g, float b, float a) { dpsoftrast.user.color[0] = r; dpsoftrast.user.color[1] = g; dpsoftrast.user.color[2] = b; dpsoftrast.user.color[3] = a; } void DPSOFTRAST_GetPixelsBGRA(int blockx, int blocky, int blockwidth, int blockheight, unsigned char *outpixels) { int outstride = blockwidth * 4; int instride = dpsoftrast.fb_width * 4; int bx1 = blockx; int by1 = blocky; int bx2 = blockx + blockwidth; int by2 = blocky + blockheight; int bw; int bh; int x; int y; unsigned char *inpixels; unsigned char *b; unsigned char *o; if (bx1 < 0) bx1 = 0; if (by1 < 0) by1 = 0; if (bx2 > dpsoftrast.fb_width) bx2 = dpsoftrast.fb_width; if (by2 > dpsoftrast.fb_height) by2 = dpsoftrast.fb_height; bw = bx2 - bx1; bh = by2 - by1; inpixels = (unsigned char *)dpsoftrast.fb_colorpixels[0]; if (dpsoftrast.bigendian) { for (y = by1;y < by2;y++) { b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1; o = (unsigned char *)outpixels + (y - by1) * outstride; for (x = bx1;x < bx2;x++) { o[0] = b[3]; o[1] = b[2]; o[2] = b[1]; o[3] = b[0]; o += 4; b += 4; } } } else { for (y = by1;y < by2;y++) { b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1; o = (unsigned char *)outpixels + (y - by1) * outstride; memcpy(o, b, bw*4); } } } void DPSOFTRAST_CopyRectangleToTexture(int index, int mip, int tx, int ty, int sx, int sy, int width, int height) { int tx1 = tx; int ty1 = ty; int tx2 = tx + width; int ty2 = ty + height; int sx1 = sx; int sy1 = sy; int sx2 = sx + width; int sy2 = sy + height; int swidth; int sheight; int twidth; int theight; int sw; int sh; int tw; int th; int y; unsigned int *spixels; unsigned int *tpixels; DPSOFTRAST_Texture *texture; texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return; if (mip < 0 || mip >= texture->mipmaps) return; spixels = dpsoftrast.fb_colorpixels[0]; swidth = dpsoftrast.fb_width; sheight = dpsoftrast.fb_height; tpixels = (unsigned int *)(texture->bytes + texture->mipmap[mip][0]); twidth = texture->mipmap[mip][2]; theight = texture->mipmap[mip][3]; if (tx1 < 0) tx1 = 0; if (ty1 < 0) ty1 = 0; if (tx2 > twidth) tx2 = twidth; if (ty2 > theight) ty2 = theight; if (sx1 < 0) sx1 = 0; if (sy1 < 0) sy1 = 0; if (sx2 > swidth) sx2 = swidth; if (sy2 > sheight) sy2 = sheight; tw = tx2 - tx1; th = ty2 - ty1; sw = sx2 - sx1; sh = sy2 - sy1; if (tw > sw) tw = sw; if (th > sh) th = sh; if (tw < 1 || th < 1) return; for (y = 0;y < th;y++) memcpy(tpixels + ((ty1 + y) * twidth + tx1), spixels + ((sy1 + y) * swidth + sx1), tw*4); if (texture->mipmaps > 1) DPSOFTRAST_Texture_CalculateMipmaps(index); } void DPSOFTRAST_SetTexture(int unitnum, int index) { DPSOFTRAST_Texture *texture; if (unitnum < 0 || unitnum >= DPSOFTRAST_MAXTEXTUREUNITS) { dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid unit number"; return; } texture = DPSOFTRAST_Texture_GetByIndex(index); if (index && !texture) { dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid texture handle"; return; } dpsoftrast.texbound[unitnum] = texture; } void DPSOFTRAST_SetVertexPointer(const float *vertex3f, size_t stride) { dpsoftrast.pointer_vertex3f = vertex3f; dpsoftrast.stride_vertex = stride; } void DPSOFTRAST_SetColorPointer(const float *color4f, size_t stride) { dpsoftrast.pointer_color4f = color4f; dpsoftrast.pointer_color4ub = NULL; dpsoftrast.stride_color = stride; } void DPSOFTRAST_SetColorPointer4ub(const unsigned char *color4ub, size_t stride) { dpsoftrast.pointer_color4f = NULL; dpsoftrast.pointer_color4ub = color4ub; dpsoftrast.stride_color = stride; } void DPSOFTRAST_SetTexCoordPointer(int unitnum, int numcomponents, size_t stride, const float *texcoordf) { dpsoftrast.pointer_texcoordf[unitnum] = texcoordf; dpsoftrast.components_texcoord[unitnum] = numcomponents; dpsoftrast.stride_texcoord[unitnum] = stride; } void DPSOFTRAST_SetShader(unsigned int mode, unsigned int permutation) { dpsoftrast.shader_mode = mode; dpsoftrast.shader_permutation = permutation; } void DPSOFTRAST_Uniform4fARB(DPSOFTRAST_UNIFORM index, float v0, float v1, float v2, float v3) { dpsoftrast.uniform4f[index*4+0] = v0; dpsoftrast.uniform4f[index*4+1] = v1; dpsoftrast.uniform4f[index*4+2] = v2; dpsoftrast.uniform4f[index*4+3] = v3; } void DPSOFTRAST_Uniform4fvARB(DPSOFTRAST_UNIFORM index, const float *v) { dpsoftrast.uniform4f[index*4+0] = v[0]; dpsoftrast.uniform4f[index*4+1] = v[1]; dpsoftrast.uniform4f[index*4+2] = v[2]; dpsoftrast.uniform4f[index*4+3] = v[3]; } void DPSOFTRAST_UniformMatrix4fvARB(DPSOFTRAST_UNIFORM uniform, int arraysize, int transpose, const float *v) { int i, index; for (i = 0, index = (int)uniform;i < arraysize;i++, index += 4, v += 16) { if (transpose) { dpsoftrast.uniform4f[index*4+0] = v[0]; dpsoftrast.uniform4f[index*4+1] = v[4]; dpsoftrast.uniform4f[index*4+2] = v[8]; dpsoftrast.uniform4f[index*4+3] = v[12]; dpsoftrast.uniform4f[index*4+4] = v[1]; dpsoftrast.uniform4f[index*4+5] = v[5]; dpsoftrast.uniform4f[index*4+6] = v[9]; dpsoftrast.uniform4f[index*4+7] = v[13]; dpsoftrast.uniform4f[index*4+8] = v[2]; dpsoftrast.uniform4f[index*4+9] = v[6]; dpsoftrast.uniform4f[index*4+10] = v[10]; dpsoftrast.uniform4f[index*4+11] = v[14]; dpsoftrast.uniform4f[index*4+12] = v[3]; dpsoftrast.uniform4f[index*4+13] = v[7]; dpsoftrast.uniform4f[index*4+14] = v[11]; dpsoftrast.uniform4f[index*4+15] = v[15]; } else { dpsoftrast.uniform4f[index*4+0] = v[0]; dpsoftrast.uniform4f[index*4+1] = v[1]; dpsoftrast.uniform4f[index*4+2] = v[2]; dpsoftrast.uniform4f[index*4+3] = v[3]; dpsoftrast.uniform4f[index*4+4] = v[4]; dpsoftrast.uniform4f[index*4+5] = v[5]; dpsoftrast.uniform4f[index*4+6] = v[6]; dpsoftrast.uniform4f[index*4+7] = v[7]; dpsoftrast.uniform4f[index*4+8] = v[8]; dpsoftrast.uniform4f[index*4+9] = v[9]; dpsoftrast.uniform4f[index*4+10] = v[10]; dpsoftrast.uniform4f[index*4+11] = v[11]; dpsoftrast.uniform4f[index*4+12] = v[12]; dpsoftrast.uniform4f[index*4+13] = v[13]; dpsoftrast.uniform4f[index*4+14] = v[14]; dpsoftrast.uniform4f[index*4+15] = v[15]; } } } void DPSOFTRAST_Uniform1iARB(DPSOFTRAST_UNIFORM index, int i0) { dpsoftrast.uniform1i[index] = i0; } void DPSOFTRAST_Draw_LoadVertices(int firstvertex, int numvertices, bool needcolors) { int i; int j; int stride; const float *v; float *p; float *data; const unsigned char *b; dpsoftrast.draw.numvertices = numvertices; if (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices) { if (dpsoftrast.draw.maxvertices < 4096) dpsoftrast.draw.maxvertices = 4096; while (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices) dpsoftrast.draw.maxvertices *= 2; if (dpsoftrast.draw.in_array4f[0]) MM_FREE(dpsoftrast.draw.in_array4f[0]); data = (float *)MM_CALLOC(1, dpsoftrast.draw.maxvertices * sizeof(float[4])*(DPSOFTRAST_ARRAY_TOTAL*2 + 1)); for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4) dpsoftrast.draw.in_array4f[i] = data; for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4) dpsoftrast.draw.post_array4f[i] = data; dpsoftrast.draw.screencoord4f = data; data += dpsoftrast.draw.maxvertices * 4; } stride = dpsoftrast.stride_vertex; v = (const float *)((unsigned char *)dpsoftrast.pointer_vertex3f + firstvertex * stride); p = dpsoftrast.draw.in_array4f[0]; for (i = 0;i < numvertices;i++) { p[0] = v[0]; p[1] = v[1]; p[2] = v[2]; p[3] = 1.0f; p += 4; v = (const float *)((const unsigned char *)v + stride); } if (needcolors) { if (dpsoftrast.pointer_color4f) { stride = dpsoftrast.stride_color; v = (const float *)((const unsigned char *)dpsoftrast.pointer_color4f + firstvertex * stride); p = dpsoftrast.draw.in_array4f[1]; for (i = 0;i < numvertices;i++) { p[0] = v[0]; p[1] = v[1]; p[2] = v[2]; p[3] = v[3]; p += 4; v = (const float *)((const unsigned char *)v + stride); } } else if (dpsoftrast.pointer_color4ub) { stride = dpsoftrast.stride_color; b = (const unsigned char *)((const unsigned char *)dpsoftrast.pointer_color4ub + firstvertex * stride); p = dpsoftrast.draw.in_array4f[1]; for (i = 0;i < numvertices;i++) { p[0] = b[0] * (1.0f / 255.0f); p[1] = b[1] * (1.0f / 255.0f); p[2] = b[2] * (1.0f / 255.0f); p[3] = b[3] * (1.0f / 255.0f); p += 4; b = (const unsigned char *)((const unsigned char *)b + stride); } } else { v = dpsoftrast.user.color; p = dpsoftrast.draw.in_array4f[1]; for (i = 0;i < numvertices;i++) { p[0] = v[0]; p[1] = v[1]; p[2] = v[2]; p[3] = v[3]; p += 4; } } } for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL-2;j++) { if (dpsoftrast.pointer_texcoordf[j]) { stride = dpsoftrast.stride_texcoord[j]; v = (const float *)((const unsigned char *)dpsoftrast.pointer_texcoordf[j] + firstvertex * stride); p = dpsoftrast.draw.in_array4f[j+2]; switch(dpsoftrast.components_texcoord[j]) { case 2: for (i = 0;i < numvertices;i++) { p[0] = v[0]; p[1] = v[1]; p[2] = 0.0f; p[3] = 1.0f; p += 4; v = (const float *)((const unsigned char *)v + stride); } break; case 3: for (i = 0;i < numvertices;i++) { p[0] = v[0]; p[1] = v[1]; p[2] = v[2]; p[3] = 1.0f; p += 4; v = (const float *)((const unsigned char *)v + stride); } break; case 4: for (i = 0;i < numvertices;i++) { p[0] = v[0]; p[1] = v[1]; p[2] = v[2]; p[3] = v[3]; p += 4; v = (const float *)((const unsigned char *)v + stride); } break; } } } } void DPSOFTRAST_Array_Transform(float *out4f, const float *in4f, int numitems, const float *inmatrix16f) { static const float identitymatrix[4][4] = {{1,0,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1}}; // TODO: SIMD float matrix[4][4]; int i; memcpy(matrix, inmatrix16f, sizeof(float[16])); if (!memcmp(identitymatrix, matrix, sizeof(float[16]))) { // fast case for identity matrix memcpy(out4f, in4f, numitems * sizeof(float[4])); return; } for (i = 0;i < numitems;i++, out4f += 4, in4f += 4) { out4f[0] = in4f[0] * matrix[0][0] + in4f[1] * matrix[1][0] + in4f[2] * matrix[2][0] + in4f[3] * matrix[3][0]; out4f[1] = in4f[0] * matrix[0][1] + in4f[1] * matrix[1][1] + in4f[2] * matrix[2][1] + in4f[3] * matrix[3][1]; out4f[2] = in4f[0] * matrix[0][2] + in4f[1] * matrix[1][2] + in4f[2] * matrix[2][2] + in4f[3] * matrix[3][2]; out4f[3] = in4f[0] * matrix[0][3] + in4f[1] * matrix[1][3] + in4f[2] * matrix[2][3] + in4f[3] * matrix[3][3]; } } void DPSOFTRAST_Array_Copy(float *out4f, const float *in4f, int numitems) { memcpy(out4f, in4f, numitems * sizeof(float[4])); } #ifdef SSE2_PRESENT static __m128 DPSOFTRAST_Draw_ProjectVertex(__m128 v) { __m128 viewportcenter = _mm_load_ps(dpsoftrast.fb_viewportcenter), viewportscale = _mm_load_ps(dpsoftrast.fb_viewportscale); __m128 w = _mm_shuffle_ps(v, v, _MM_SHUFFLE(3, 3, 3, 3)); v = _mm_move_ss(_mm_shuffle_ps(v, v, _MM_SHUFFLE(2, 1, 0, 3)), _mm_set1_ps(1.0f)); v = _mm_add_ps(viewportcenter, _mm_div_ps(_mm_mul_ps(viewportscale, v), w)); v = _mm_shuffle_ps(v, v, _MM_SHUFFLE(0, 3, 2, 1)); return v; } #endif void DPSOFTRAST_Draw_ProjectVertices(float *out4f, const float *in4f, int numitems) { #ifdef SSE2_PRESENT // NOTE: this is used both as a whole mesh transform function and a // per-triangle transform function (for clipped triangles), accordingly // it should not crash on divide by 0 but the result of divide by 0 is // unimportant... // TODO: SIMD int i; __m128 viewportcenter = _mm_load_ps(dpsoftrast.fb_viewportcenter), viewportscale = _mm_load_ps(dpsoftrast.fb_viewportscale); for (i = 0;i < numitems;i++) { __m128 v = _mm_load_ps(in4f), w = _mm_shuffle_ps(v, v, _MM_SHUFFLE(3, 3, 3, 3)); v = _mm_move_ss(_mm_shuffle_ps(v, v, _MM_SHUFFLE(2, 1, 0, 3)), _mm_set1_ps(1.0f)); v = _mm_add_ps(viewportcenter, _mm_div_ps(_mm_mul_ps(viewportscale, v), w)); _mm_store_ps(out4f, _mm_shuffle_ps(v, v, _MM_SHUFFLE(0, 3, 2, 1))); in4f += 4; out4f += 4; } #endif } void DPSOFTRAST_Draw_DebugEdgePoints(const float *screen0, const float *screen1) { int i; int x; int y; int w = dpsoftrast.fb_width; int bounds[4]; float v0[2], v1[2]; unsigned int *pixels = dpsoftrast.fb_colorpixels[0]; //const float *c4f; bounds[0] = dpsoftrast.fb_viewportscissor[0]; bounds[1] = dpsoftrast.fb_viewportscissor[1]; bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2]; bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3]; v0[0] = screen0[0]; v0[1] = screen0[1]; v1[0] = screen1[0]; v1[1] = screen1[1]; for (i = 0;i <= 128;i++) { // check nearclip //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f) // continue; x = (int)(v0[0] + (v1[0] - v0[0]) * (i/128.0f)); y = (int)(v0[1] + (v1[1] - v0[1]) * (i/128.0f)); if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3]) continue; //c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + element0*4; //pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]); pixels[y*w+x] = 0xFFFFFFFF; } } void DPSOFTRAST_Draw_Span_Begin(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *zf) { int x; int startx = span->startx; int endx = span->endx; float w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3]; float wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3]; float endz = 1.0f / (w + wslope * startx); for (x = startx;x < endx;) { int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1; float z = endz, dz; if(nextsub >= endx) nextsub = endsub = endx-1; endz = 1.0f / (w + wslope * nextsub); dz = x < nextsub ? (endz - z) / (nextsub - x) : 0.0f; for (; x <= endsub; x++, z += dz) zf[x] = z; } } void DPSOFTRAST_Draw_Span_Finish(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const float * RESTRICT in4f) { int x; int startx = span->startx; int endx = span->endx; int d[4]; float a, b; unsigned char * RESTRICT pixelmask = span->pixelmask; unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0]; if (!pixel) return; pixel += span->start * 4; // handle alphatest now (this affects depth writes too) if (dpsoftrast.user.alphatest) for (x = startx;x < endx;x++) if (in4f[x*4+3] < 0.5f) pixelmask[x] = false; // FIXME: this does not handle bigendian switch(dpsoftrast.fb_blendmode) { case DPSOFTRAST_BLENDMODE_OPAQUE: for (x = startx;x < endx;x++) { if (!pixelmask[x]) continue; d[0] = (int)(in4f[x*4+2]*255.0f);if (d[0] > 255) d[0] = 255; d[1] = (int)(in4f[x*4+1]*255.0f);if (d[1] > 255) d[1] = 255; d[2] = (int)(in4f[x*4+0]*255.0f);if (d[2] > 255) d[2] = 255; d[3] = (int)(in4f[x*4+3]*255.0f);if (d[3] > 255) d[3] = 255; pixel[x*4+0] = d[0]; pixel[x*4+1] = d[1]; pixel[x*4+2] = d[2]; pixel[x*4+3] = d[3]; } break; case DPSOFTRAST_BLENDMODE_ALPHA: for (x = startx;x < endx;x++) { if (!pixelmask[x]) continue; a = in4f[x*4+3] * 255.0f; b = 1.0f - in4f[x*4+3]; d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255; d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255; d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255; d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255; pixel[x*4+0] = d[0]; pixel[x*4+1] = d[1]; pixel[x*4+2] = d[2]; pixel[x*4+3] = d[3]; } break; case DPSOFTRAST_BLENDMODE_ADDALPHA: for (x = startx;x < endx;x++) { if (!pixelmask[x]) continue; a = in4f[x*4+3] * 255.0f; d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255; d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255; d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255; d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255; pixel[x*4+0] = d[0]; pixel[x*4+1] = d[1]; pixel[x*4+2] = d[2]; pixel[x*4+3] = d[3]; } break; case DPSOFTRAST_BLENDMODE_ADD: for (x = startx;x < endx;x++) { if (!pixelmask[x]) continue; d[0] = (int)(in4f[x*4+2]*255.0f+pixel[x*4+0]);if (d[0] > 255) d[0] = 255; d[1] = (int)(in4f[x*4+1]*255.0f+pixel[x*4+1]);if (d[1] > 255) d[1] = 255; d[2] = (int)(in4f[x*4+0]*255.0f+pixel[x*4+2]);if (d[2] > 255) d[2] = 255; d[3] = (int)(in4f[x*4+3]*255.0f+pixel[x*4+3]);if (d[3] > 255) d[3] = 255; pixel[x*4+0] = d[0]; pixel[x*4+1] = d[1]; pixel[x*4+2] = d[2]; pixel[x*4+3] = d[3]; } break; case DPSOFTRAST_BLENDMODE_INVMOD: for (x = startx;x < endx;x++) { if (!pixelmask[x]) continue; d[0] = (int)((1.0f-in4f[x*4+2])*pixel[x*4+0]);if (d[0] > 255) d[0] = 255; d[1] = (int)((1.0f-in4f[x*4+1])*pixel[x*4+1]);if (d[1] > 255) d[1] = 255; d[2] = (int)((1.0f-in4f[x*4+0])*pixel[x*4+2]);if (d[2] > 255) d[2] = 255; d[3] = (int)((1.0f-in4f[x*4+3])*pixel[x*4+3]);if (d[3] > 255) d[3] = 255; pixel[x*4+0] = d[0]; pixel[x*4+1] = d[1]; pixel[x*4+2] = d[2]; pixel[x*4+3] = d[3]; } break; case DPSOFTRAST_BLENDMODE_MUL: for (x = startx;x < endx;x++) { if (!pixelmask[x]) continue; d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]);if (d[0] > 255) d[0] = 255; d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]);if (d[1] > 255) d[1] = 255; d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]);if (d[2] > 255) d[2] = 255; d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]);if (d[3] > 255) d[3] = 255; pixel[x*4+0] = d[0]; pixel[x*4+1] = d[1]; pixel[x*4+2] = d[2]; pixel[x*4+3] = d[3]; } break; case DPSOFTRAST_BLENDMODE_MUL2: for (x = startx;x < endx;x++) { if (!pixelmask[x]) continue; d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]*2.0f);if (d[0] > 255) d[0] = 255; d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]*2.0f);if (d[1] > 255) d[1] = 255; d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]*2.0f);if (d[2] > 255) d[2] = 255; d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]*2.0f);if (d[3] > 255) d[3] = 255; pixel[x*4+0] = d[0]; pixel[x*4+1] = d[1]; pixel[x*4+2] = d[2]; pixel[x*4+3] = d[3]; } break; case DPSOFTRAST_BLENDMODE_SUBALPHA: for (x = startx;x < endx;x++) { if (!pixelmask[x]) continue; a = in4f[x*4+3] * -255.0f; d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;if (d[0] < 0) d[0] = 0; d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;if (d[1] < 0) d[1] = 0; d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;if (d[2] < 0) d[2] = 0; d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;if (d[3] < 0) d[3] = 0; pixel[x*4+0] = d[0]; pixel[x*4+1] = d[1]; pixel[x*4+2] = d[2]; pixel[x*4+3] = d[3]; } break; case DPSOFTRAST_BLENDMODE_PSEUDOALPHA: for (x = startx;x < endx;x++) { if (!pixelmask[x]) continue; a = 255.0f; b = 1.0f - in4f[x*4+3]; d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255; d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255; d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255; d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255; pixel[x*4+0] = d[0]; pixel[x*4+1] = d[1]; pixel[x*4+2] = d[2]; pixel[x*4+3] = d[3]; } break; } } void DPSOFTRAST_Draw_Span_FinishBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const unsigned char* RESTRICT in4ub) { #ifdef SSE2_PRESENT int x; int startx = span->startx; int endx = span->endx; const unsigned int * RESTRICT ini = (const unsigned int *)in4ub; unsigned char * RESTRICT pixelmask = span->pixelmask; unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0]; unsigned int * RESTRICT pixeli = (unsigned int *)dpsoftrast.fb_colorpixels[0]; if (!pixel) return; pixel += span->start * 4; pixeli += span->start; // handle alphatest now (this affects depth writes too) if (dpsoftrast.user.alphatest) for (x = startx;x < endx;x++) if (in4ub[x*4+3] < 0.5f) pixelmask[x] = false; // FIXME: this does not handle bigendian switch(dpsoftrast.fb_blendmode) { case DPSOFTRAST_BLENDMODE_OPAQUE: for (x = startx;x + 4 <= endx;) { if (*(const unsigned int *)&pixelmask[x] == 0x01010101) { _mm_storeu_si128((__m128i *)&pixeli[x], _mm_loadu_si128((const __m128i *)&ini[x])); x += 4; } else { if (pixelmask[x]) pixeli[x] = ini[x]; x++; } } for (;x < endx;x++) if (pixelmask[x]) pixeli[x] = ini[x]; break; case DPSOFTRAST_BLENDMODE_ALPHA: #define FINISHBLEND(blend2, blend1) \ for (x = startx;x + 2 <= endx;x += 2) \ { \ __m128i src, dst; \ switch (*(const unsigned short*)&pixelmask[x]) \ { \ case 0x0101: \ src = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ini[x]), _mm_setzero_si128()); \ dst = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixeli[x]), _mm_setzero_si128()); \ blend2; \ _mm_storel_epi64((__m128i *)&pixeli[x], _mm_packus_epi16(dst, dst)); \ continue; \ case 0x0100: \ src = _mm_unpacklo_epi8(_mm_cvtsi32_si128(ini[x+1]), _mm_setzero_si128()); \ dst = _mm_unpacklo_epi8(_mm_cvtsi32_si128(pixeli[x+1]), _mm_setzero_si128()); \ blend1; \ pixeli[x+1] = _mm_cvtsi128_si32(_mm_packus_epi16(dst, dst)); \ continue; \ case 0x0001: \ src = _mm_unpacklo_epi8(_mm_cvtsi32_si128(ini[x]), _mm_setzero_si128()); \ dst = _mm_unpacklo_epi8(_mm_cvtsi32_si128(pixeli[x]), _mm_setzero_si128()); \ blend1; \ pixeli[x] = _mm_cvtsi128_si32(_mm_packus_epi16(dst, dst)); \ continue; \ } \ break; \ } \ for(;x < endx; x++) \ { \ __m128i src, dst; \ if (!pixelmask[x]) \ continue; \ src = _mm_unpacklo_epi8(_mm_cvtsi32_si128(ini[x]), _mm_setzero_si128()); \ dst = _mm_unpacklo_epi8(_mm_cvtsi32_si128(pixeli[x]), _mm_setzero_si128()); \ blend1; \ pixeli[x] = _mm_cvtsi128_si32(_mm_packus_epi16(dst, dst)); \ } FINISHBLEND({ __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3)); dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(src, dst), 4), _mm_slli_epi16(blend, 4))); }, { __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)); dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(src, dst), 4), _mm_slli_epi16(blend, 4))); }); break; case DPSOFTRAST_BLENDMODE_ADDALPHA: FINISHBLEND({ __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3)); dst = _mm_add_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8)); }, { __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)); dst = _mm_add_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8)); }); break; case DPSOFTRAST_BLENDMODE_ADD: FINISHBLEND({ dst = _mm_add_epi16(src, dst); }, { dst = _mm_add_epi16(src, dst); }); break; case DPSOFTRAST_BLENDMODE_INVMOD: FINISHBLEND({ dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, src), 8)); }, { dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, src), 8)); }); break; case DPSOFTRAST_BLENDMODE_MUL: FINISHBLEND({ dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 8); }, { dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 8); }); break; case DPSOFTRAST_BLENDMODE_MUL2: FINISHBLEND({ dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 7); }, { dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 7); }); break; case DPSOFTRAST_BLENDMODE_SUBALPHA: FINISHBLEND({ __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3)); dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8)); }, { __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)); dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8)); }); break; case DPSOFTRAST_BLENDMODE_PSEUDOALPHA: FINISHBLEND({ __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3)); dst = _mm_add_epi16(src, _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, blend), 8))); }, { __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)); dst = _mm_add_epi16(src, _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, blend), 8))); }); break; } #endif } void DPSOFTRAST_Draw_Span_Texture2DVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float * RESTRICT out4f, int texunitindex, int arrayindex, const float * RESTRICT zf) { int x; int startx = span->startx; int endx = span->endx; int flags; float c[4]; float data[4]; float slope[4]; float tc[2], endtc[2]; float tcscale[2]; unsigned int tci[2]; unsigned int tci1[2]; unsigned int tcimin[2]; unsigned int tcimax[2]; int tciwrapmask[2]; int tciwidth; int filter; int mip; const unsigned char * RESTRICT pixelbase; const unsigned char * RESTRICT pixel[4]; DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex]; // if no texture is bound, just fill it with white if (!texture) { for (x = startx;x < endx;x++) { out4f[x*4+0] = 1.0f; out4f[x*4+1] = 1.0f; out4f[x*4+2] = 1.0f; out4f[x*4+3] = 1.0f; } return; } mip = span->mip[texunitindex]; pixelbase = (unsigned char *)texture->bytes + texture->mipmap[mip][0]; // if this mipmap of the texture is 1 pixel, just fill it with that color if (texture->mipmap[mip][1] == 4) { c[0] = texture->bytes[2] * (1.0f/255.0f); c[1] = texture->bytes[1] * (1.0f/255.0f); c[2] = texture->bytes[0] * (1.0f/255.0f); c[3] = texture->bytes[3] * (1.0f/255.0f); for (x = startx;x < endx;x++) { out4f[x*4+0] = c[0]; out4f[x*4+1] = c[1]; out4f[x*4+2] = c[2]; out4f[x*4+3] = c[3]; } return; } filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR; data[0] = span->data[0][arrayindex][0]; data[1] = span->data[0][arrayindex][1]; data[2] = span->data[0][arrayindex][2]; data[3] = span->data[0][arrayindex][3]; slope[0] = span->data[1][arrayindex][0]; slope[1] = span->data[1][arrayindex][1]; slope[2] = span->data[1][arrayindex][2]; slope[3] = span->data[1][arrayindex][3]; flags = texture->flags; tcscale[0] = texture->mipmap[mip][2]; tcscale[1] = texture->mipmap[mip][3]; tciwidth = texture->mipmap[mip][2]; tcimin[0] = 0; tcimin[1] = 0; tcimax[0] = texture->mipmap[mip][2]-1; tcimax[1] = texture->mipmap[mip][3]-1; tciwrapmask[0] = texture->mipmap[mip][2]-1; tciwrapmask[1] = texture->mipmap[mip][3]-1; endtc[0] = (data[0] + slope[0]*startx) * zf[startx] * tcscale[0] - 0.5f; endtc[1] = (data[1] + slope[1]*startx) * zf[startx] * tcscale[1] - 0.5f; for (x = startx;x < endx;) { unsigned int subtc[2]; unsigned int substep[2]; float subscale = 65536.0f/DPSOFTRAST_MAXSUBSPAN; int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1; if(nextsub >= endx) { nextsub = endsub = endx-1; if(x < nextsub) subscale = 65536.0f / (nextsub - x); } tc[0] = endtc[0]; tc[1] = endtc[1]; endtc[0] = (data[0] + slope[0]*nextsub) * zf[nextsub] * tcscale[0] - 0.5f; endtc[1] = (data[1] + slope[1]*nextsub) * zf[nextsub] * tcscale[1] - 0.5f; substep[0] = (endtc[0] - tc[0]) * subscale; substep[1] = (endtc[1] - tc[1]) * subscale; subtc[0] = tc[0] * (1<<16); subtc[1] = tc[1] * (1<<16); if(filter) { if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE) { for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1]) { unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF }; unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] }; unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] }; tci[0] = subtc[0]>>16; tci[1] = subtc[1]>>16; tci1[0] = tci[0] + 1; tci1[1] = tci[1] + 1; tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0]; tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1]; tci1[0] = tci1[0] >= tcimin[0] ? (tci1[0] <= tcimax[0] ? tci1[0] : tcimax[0]) : tcimin[0]; tci1[1] = tci1[1] >= tcimin[1] ? (tci1[1] <= tcimax[1] ? tci1[1] : tcimax[1]) : tcimin[1]; pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]); pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]); pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]); pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]); c[0] = (pixel[0][2]*lerp[0]+pixel[1][2]*lerp[1]+pixel[2][2]*lerp[2]+pixel[3][2]*lerp[3]) * (1.0f / 0xFF000000); c[1] = (pixel[0][1]*lerp[0]+pixel[1][1]*lerp[1]+pixel[2][1]*lerp[2]+pixel[3][1]*lerp[3]) * (1.0f / 0xFF000000); c[2] = (pixel[0][0]*lerp[0]+pixel[1][0]*lerp[1]+pixel[2][0]*lerp[2]+pixel[3][0]*lerp[3]) * (1.0f / 0xFF000000); c[3] = (pixel[0][3]*lerp[0]+pixel[1][3]*lerp[1]+pixel[2][3]*lerp[2]+pixel[3][3]*lerp[3]) * (1.0f / 0xFF000000); out4f[x*4+0] = c[0]; out4f[x*4+1] = c[1]; out4f[x*4+2] = c[2]; out4f[x*4+3] = c[3]; } } else { for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1]) { unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF }; unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] }; unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] }; tci[0] = subtc[0]>>16; tci[1] = subtc[1]>>16; tci1[0] = tci[0] + 1; tci1[1] = tci[1] + 1; tci[0] &= tciwrapmask[0]; tci[1] &= tciwrapmask[1]; tci1[0] &= tciwrapmask[0]; tci1[1] &= tciwrapmask[1]; pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]); pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]); pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]); pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]); c[0] = (pixel[0][2]*lerp[0]+pixel[1][2]*lerp[1]+pixel[2][2]*lerp[2]+pixel[3][2]*lerp[3]) * (1.0f / 0xFF000000); c[1] = (pixel[0][1]*lerp[0]+pixel[1][1]*lerp[1]+pixel[2][1]*lerp[2]+pixel[3][1]*lerp[3]) * (1.0f / 0xFF000000); c[2] = (pixel[0][0]*lerp[0]+pixel[1][0]*lerp[1]+pixel[2][0]*lerp[2]+pixel[3][0]*lerp[3]) * (1.0f / 0xFF000000); c[3] = (pixel[0][3]*lerp[0]+pixel[1][3]*lerp[1]+pixel[2][3]*lerp[2]+pixel[3][3]*lerp[3]) * (1.0f / 0xFF000000); out4f[x*4+0] = c[0]; out4f[x*4+1] = c[1]; out4f[x*4+2] = c[2]; out4f[x*4+3] = c[3]; } } } else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE) { for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1]) { tci[0] = subtc[0]>>16; tci[1] = subtc[1]>>16; tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0]; tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1]; pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]); c[0] = pixel[0][2] * (1.0f / 255.0f); c[1] = pixel[0][1] * (1.0f / 255.0f); c[2] = pixel[0][0] * (1.0f / 255.0f); c[3] = pixel[0][3] * (1.0f / 255.0f); out4f[x*4+0] = c[0]; out4f[x*4+1] = c[1]; out4f[x*4+2] = c[2]; out4f[x*4+3] = c[3]; } } else { for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1]) { tci[0] = subtc[0]>>16; tci[1] = subtc[1]>>16; tci[0] &= tciwrapmask[0]; tci[1] &= tciwrapmask[1]; pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]); c[0] = pixel[0][2] * (1.0f / 255.0f); c[1] = pixel[0][1] * (1.0f / 255.0f); c[2] = pixel[0][0] * (1.0f / 255.0f); c[3] = pixel[0][3] * (1.0f / 255.0f); out4f[x*4+0] = c[0]; out4f[x*4+1] = c[1]; out4f[x*4+2] = c[2]; out4f[x*4+3] = c[3]; } } } } void DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf) { #ifdef SSE2_PRESENT int x; int startx = span->startx; int endx = span->endx; int flags; __m128 data, slope, tcscale; __m128i tcsize, tcmask, tcoffset, tcmax; __m128 tc, endtc; __m128i subtc, substep, endsubtc; int filter; int mip; unsigned int *outi = (unsigned int *)out4ub; const unsigned char * RESTRICT pixelbase; DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex]; // if no texture is bound, just fill it with white if (!texture) { memset(out4ub + startx*4, 255, span->length*4); return; } mip = span->mip[texunitindex]; pixelbase = (const unsigned char *)texture->bytes + texture->mipmap[mip][0]; // if this mipmap of the texture is 1 pixel, just fill it with that color if (texture->mipmap[mip][1] == 4) { unsigned int k = *((const unsigned int *)pixelbase); for (x = startx;x < endx;x++) outi[x] = k; return; } filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR; data = _mm_load_ps(span->data[0][arrayindex]); slope = _mm_load_ps(span->data[1][arrayindex]); flags = texture->flags; tcsize = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i *)&texture->mipmap[mip][0]), _MM_SHUFFLE(3, 2, 3, 2)); tcmask = _mm_sub_epi32(tcsize, _mm_set1_epi32(1)); tcscale = _mm_cvtepi32_ps(tcsize); data = _mm_mul_ps(_mm_shuffle_ps(data, data, _MM_SHUFFLE(1, 0, 1, 0)), tcscale); slope = _mm_mul_ps(_mm_shuffle_ps(slope, slope, _MM_SHUFFLE(1, 0, 1, 0)), tcscale); endtc = _mm_sub_ps(_mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx))), _mm_load1_ps(&zf[startx])), _mm_set1_ps(0.5f)); endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f))); tcoffset = _mm_add_epi32(_mm_slli_epi32(_mm_shuffle_epi32(tcsize, _MM_SHUFFLE(0, 0, 0, 0)), 18), _mm_set1_epi32(4)); tcmax = filter ? _mm_packs_epi32(tcmask, tcmask) : _mm_slli_epi32(tcmask, 16); for (x = startx;x < endx;) { int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1; __m128 subscale = _mm_set1_ps(65536.0f/DPSOFTRAST_MAXSUBSPAN); if(nextsub >= endx) { nextsub = endsub = endx-1; if(x < nextsub) subscale = _mm_set1_ps(65536.0f / (nextsub - x)); } tc = endtc; subtc = endsubtc; endtc = _mm_sub_ps(_mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(nextsub))), _mm_load1_ps(&zf[nextsub])), _mm_set1_ps(0.5f)); substep = _mm_cvtps_epi32(_mm_mul_ps(_mm_sub_ps(endtc, tc), subscale)); endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f))); subtc = _mm_unpacklo_epi64(subtc, _mm_add_epi32(subtc, substep)); substep = _mm_slli_epi32(substep, 1); if (filter) { __m128i tcrange = _mm_srai_epi32(_mm_unpacklo_epi64(subtc, _mm_add_epi32(endsubtc, substep)), 16); if (_mm_movemask_epi8(_mm_andnot_si128(_mm_cmplt_epi32(tcrange, _mm_setzero_si128()), _mm_cmplt_epi32(tcrange, tcmask))) == 0xFFFF) { for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep)) { __m128i tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, pix3, pix4, fracm; tci = _mm_madd_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 0x10000, 0, 0x10000)), tcoffset); pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_setzero_si128()); pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))]), _mm_setzero_si128()); pix3 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]), _mm_setzero_si128()); pix4 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))]), _mm_setzero_si128()); fracm = _mm_srli_epi16(subtc, 1); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1), _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0)))); pix3 = _mm_add_epi16(pix3, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix3), 1), _mm_shuffle_epi32(_mm_shufflehi_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(3, 2, 3, 2)))); pix2 = _mm_unpacklo_epi64(pix1, pix3); pix4 = _mm_unpackhi_epi64(pix1, pix3); pix2 = _mm_add_epi16(pix2, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix2), 1), _mm_shufflehi_epi16(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)), _MM_SHUFFLE(0, 0, 0, 0)))); _mm_storel_epi64((__m128i *)&outi[x], _mm_packus_epi16(pix2, _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 2, 3, 2)))); } if (x <= endsub) { __m128i tci = _mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm; tci = _mm_madd_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 0x10000, 0, 0)), tcoffset); pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_setzero_si128()); pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))]), _mm_setzero_si128()); fracm = _mm_srli_epi16(subtc, 1); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1), _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0)))); pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2)); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1), _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)))); outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1)); x++; } } else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE) { for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep)) { __m128i tci = _mm_shuffle_epi32(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(1, 0, 1, 0)), pix1, pix2, pix3, pix4, fracm; tci = _mm_min_epi16(_mm_max_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), _mm_setzero_si128()), tcmax); tci = _mm_madd_epi16(tci, tcoffset); pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])), _mm_setzero_si128()); pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])), _mm_setzero_si128()); tci = _mm_shuffle_epi32(_mm_shufflehi_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 2, 3, 2)); tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax); tci = _mm_madd_epi16(tci, tcoffset); pix3 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])), _mm_setzero_si128()); pix4 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])), _mm_setzero_si128()); fracm = _mm_srli_epi16(subtc, 1); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1), _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0)))); pix3 = _mm_add_epi16(pix3, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix3), 1), _mm_shuffle_epi32(_mm_shufflehi_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(3, 2, 3, 2)))); pix2 = _mm_unpacklo_epi64(pix1, pix3); pix4 = _mm_unpackhi_epi64(pix1, pix3); pix2 = _mm_add_epi16(pix2, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix2), 1), _mm_shufflehi_epi16(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)), _MM_SHUFFLE(0, 0, 0, 0)))); _mm_storel_epi64((__m128i *)&outi[x], _mm_packus_epi16(pix2, _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 2, 3, 2)))); } if (x <= endsub) { __m128i tci = _mm_shuffle_epi32(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(1, 0, 1, 0)), pix1, pix2, fracm; tci = _mm_min_epi16(_mm_max_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), _mm_setzero_si128()), tcmax); tci = _mm_madd_epi16(tci, tcoffset); pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])), _mm_setzero_si128()); pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])), _mm_setzero_si128()); fracm = _mm_srli_epi16(subtc, 1); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1), _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0)))); pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2)); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1), _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)))); outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1)); x++; } } else { for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep)) { __m128i tci = _mm_shuffle_epi32(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(1, 0, 1, 0)), pix1, pix2, pix3, pix4, fracm; tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax); tci = _mm_madd_epi16(tci, tcoffset); pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])), _mm_setzero_si128()); pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])), _mm_setzero_si128()); tci = _mm_shuffle_epi32(_mm_shufflehi_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 2, 3, 2)); tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax); tci = _mm_madd_epi16(tci, tcoffset); pix3 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])), _mm_setzero_si128()); pix4 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])), _mm_setzero_si128()); fracm = _mm_srli_epi16(subtc, 1); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1), _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0)))); pix3 = _mm_add_epi16(pix3, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix3), 1), _mm_shuffle_epi32(_mm_shufflehi_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(3, 2, 3, 2)))); pix2 = _mm_unpacklo_epi64(pix1, pix3); pix4 = _mm_unpackhi_epi64(pix1, pix3); pix2 = _mm_add_epi16(pix2, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix2), 1), _mm_shufflehi_epi16(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)), _MM_SHUFFLE(0, 0, 0, 0)))); _mm_storel_epi64((__m128i *)&outi[x], _mm_packus_epi16(pix2, _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 2, 3, 2)))); } if (x <= endsub) { __m128i tci = _mm_shuffle_epi32(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(1, 0, 1, 0)), pix1, pix2, fracm; tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax); tci = _mm_madd_epi16(tci, tcoffset); pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])), _mm_setzero_si128()); pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]), _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])), _mm_setzero_si128()); fracm = _mm_srli_epi16(subtc, 1); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1), _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0)))); pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2)); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1), _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)))); outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1)); x++; } } } else { if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE) { for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep)) { __m128i tci = _mm_min_epi16(_mm_max_epi16(subtc, _mm_setzero_si128()), tcmax); tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)); tci = _mm_madd_epi16(tci, tcoffset); outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]; outi[x+1] = *(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))]; } if (x <= endsub) { __m128i tci = _mm_min_epi16(_mm_max_epi16(subtc, _mm_setzero_si128()), tcmax); tci = _mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)); tci = _mm_madd_epi16(tci, tcoffset); outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]; x++; } } else { for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep)) { __m128i tci = _mm_and_si128(subtc, tcmax); tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)); tci = _mm_madd_epi16(tci, tcoffset); outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]; outi[x+1] = *(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))]; } if (x <= endsub) { __m128i tci = _mm_and_si128(subtc, tcmax); tci = _mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)); tci = _mm_madd_epi16(tci, tcoffset); outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]; x++; } } } } #endif } void DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf) { // TODO: IMPLEMENT memset(out4ub, 255, span->length*4); } float DPSOFTRAST_SampleShadowmap(const float *vector) { // TODO: IMPLEMENT return 1.0f; } void DPSOFTRAST_Draw_Span_MultiplyVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, int arrayindex, const float *zf) { int x; int startx = span->startx; int endx = span->endx; float c[4]; float data[4]; float slope[4]; float z; data[0] = span->data[0][arrayindex][0]; data[1] = span->data[0][arrayindex][1]; data[2] = span->data[0][arrayindex][2]; data[3] = span->data[0][arrayindex][3]; slope[0] = span->data[1][arrayindex][0]; slope[1] = span->data[1][arrayindex][1]; slope[2] = span->data[1][arrayindex][2]; slope[3] = span->data[1][arrayindex][3]; for (x = startx;x < endx;x++) { z = zf[x]; c[0] = (data[0] + slope[0]*x) * z; c[1] = (data[1] + slope[1]*x) * z; c[2] = (data[2] + slope[2]*x) * z; c[3] = (data[3] + slope[3]*x) * z; out4f[x*4+0] = in4f[x*4+0] * c[0]; out4f[x*4+1] = in4f[x*4+1] * c[1]; out4f[x*4+2] = in4f[x*4+2] * c[2]; out4f[x*4+3] = in4f[x*4+3] * c[3]; } } void DPSOFTRAST_Draw_Span_Varying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, int arrayindex, const float *zf) { int x; int startx = span->startx; int endx = span->endx; float c[4]; float data[4]; float slope[4]; float z; data[0] = span->data[0][arrayindex][0]; data[1] = span->data[0][arrayindex][1]; data[2] = span->data[0][arrayindex][2]; data[3] = span->data[0][arrayindex][3]; slope[0] = span->data[1][arrayindex][0]; slope[1] = span->data[1][arrayindex][1]; slope[2] = span->data[1][arrayindex][2]; slope[3] = span->data[1][arrayindex][3]; for (x = startx;x < endx;x++) { z = zf[x]; c[0] = (data[0] + slope[0]*x) * z; c[1] = (data[1] + slope[1]*x) * z; c[2] = (data[2] + slope[2]*x) * z; c[3] = (data[3] + slope[3]*x) * z; out4f[x*4+0] = c[0]; out4f[x*4+1] = c[1]; out4f[x*4+2] = c[2]; out4f[x*4+3] = c[3]; } } void DPSOFTRAST_Draw_Span_AddBloom(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f, const float *subcolor) { int x, startx = span->startx, endx = span->endx; float c[4], localcolor[4]; localcolor[0] = subcolor[0]; localcolor[1] = subcolor[1]; localcolor[2] = subcolor[2]; localcolor[3] = subcolor[3]; for (x = startx;x < endx;x++) { c[0] = inb4f[x*4+0] - localcolor[0];if (c[0] < 0.0f) c[0] = 0.0f; c[1] = inb4f[x*4+1] - localcolor[1];if (c[1] < 0.0f) c[1] = 0.0f; c[2] = inb4f[x*4+2] - localcolor[2];if (c[2] < 0.0f) c[2] = 0.0f; c[3] = inb4f[x*4+3] - localcolor[3];if (c[3] < 0.0f) c[3] = 0.0f; out4f[x*4+0] = ina4f[x*4+0] + c[0]; out4f[x*4+1] = ina4f[x*4+1] + c[1]; out4f[x*4+2] = ina4f[x*4+2] + c[2]; out4f[x*4+3] = ina4f[x*4+3] + c[3]; } } void DPSOFTRAST_Draw_Span_MultiplyBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f) { int x, startx = span->startx, endx = span->endx; for (x = startx;x < endx;x++) { out4f[x*4+0] = ina4f[x*4+0] * inb4f[x*4+0]; out4f[x*4+1] = ina4f[x*4+1] * inb4f[x*4+1]; out4f[x*4+2] = ina4f[x*4+2] * inb4f[x*4+2]; out4f[x*4+3] = ina4f[x*4+3] * inb4f[x*4+3]; } } void DPSOFTRAST_Draw_Span_AddBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f) { int x, startx = span->startx, endx = span->endx; for (x = startx;x < endx;x++) { out4f[x*4+0] = ina4f[x*4+0] + inb4f[x*4+0]; out4f[x*4+1] = ina4f[x*4+1] + inb4f[x*4+1]; out4f[x*4+2] = ina4f[x*4+2] + inb4f[x*4+2]; out4f[x*4+3] = ina4f[x*4+3] + inb4f[x*4+3]; } } void DPSOFTRAST_Draw_Span_MixBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f) { int x, startx = span->startx, endx = span->endx; float a, b; for (x = startx;x < endx;x++) { a = 1.0f - inb4f[x*4+3]; b = inb4f[x*4+3]; out4f[x*4+0] = ina4f[x*4+0] * a + inb4f[x*4+0] * b; out4f[x*4+1] = ina4f[x*4+1] * a + inb4f[x*4+1] * b; out4f[x*4+2] = ina4f[x*4+2] * a + inb4f[x*4+2] * b; out4f[x*4+3] = ina4f[x*4+3] * a + inb4f[x*4+3] * b; } } void DPSOFTRAST_Draw_Span_MixUniformColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, const float *color) { int x, startx = span->startx, endx = span->endx; float localcolor[4], ilerp, lerp; localcolor[0] = color[0]; localcolor[1] = color[1]; localcolor[2] = color[2]; localcolor[3] = color[3]; ilerp = 1.0f - localcolor[3]; lerp = localcolor[3]; for (x = startx;x < endx;x++) { out4f[x*4+0] = in4f[x*4+0] * ilerp + localcolor[0] * lerp; out4f[x*4+1] = in4f[x*4+1] * ilerp + localcolor[1] * lerp; out4f[x*4+2] = in4f[x*4+2] * ilerp + localcolor[2] * lerp; out4f[x*4+3] = in4f[x*4+3] * ilerp + localcolor[3] * lerp; } } void DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, int arrayindex, const float *zf) { #ifdef SSE2_PRESENT int x; int startx = span->startx; int endx = span->endx; __m128 data = _mm_load_ps(span->data[0][arrayindex]), slope = _mm_load_ps(span->data[1][arrayindex]); data = _mm_shuffle_ps(data, data, _MM_SHUFFLE(3, 0, 1, 2)); slope = _mm_shuffle_ps(slope, slope, _MM_SHUFFLE(3, 0, 1, 2)); data = _mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx))); data = _mm_mul_ps(data, _mm_set1_ps(256.0f)); slope = _mm_mul_ps(slope, _mm_set1_ps(256.0f)); for (x = startx;x+2 <= endx;x += 2, data = _mm_add_ps(data, slope)) { __m128i pix = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_loadl_epi64((const __m128i *)&in4ub[x*4])); __m128i mod = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x]))), mod2; data = _mm_add_ps(data, slope); mod2 = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x+1]))); mod = _mm_unpacklo_epi64(_mm_packs_epi32(mod, mod), _mm_packs_epi32(mod2, mod2)); pix = _mm_mulhi_epu16(pix, mod); _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix, pix)); } for (;x < endx;x++, data = _mm_add_ps(data, slope)) { __m128i pix = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&in4ub[x*4])); __m128i mod = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x]))); mod = _mm_packs_epi32(mod, mod); pix = _mm_mulhi_epu16(pix, mod); *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix)); } #endif } void DPSOFTRAST_Draw_Span_VaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, int arrayindex, const float *zf) { #ifdef SSE2_PRESENT int x; int startx = span->startx; int endx = span->endx; __m128 data = _mm_load_ps(span->data[0][arrayindex]), slope = _mm_load_ps(span->data[1][arrayindex]); data = _mm_shuffle_ps(data, data, _MM_SHUFFLE(3, 0, 1, 2)); slope = _mm_shuffle_ps(slope, slope, _MM_SHUFFLE(3, 0, 1, 2)); data = _mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx))); data = _mm_mul_ps(data, _mm_set1_ps(255.0f)); slope = _mm_mul_ps(slope, _mm_set1_ps(255.0f)); for (x = startx;x+2 <= endx;x += 2, data = _mm_add_ps(data, slope)) { __m128i pix = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x]))), pix2; data = _mm_add_ps(data, slope); pix2 = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x+1]))); pix = _mm_unpacklo_epi64(_mm_packs_epi32(pix, pix), _mm_packs_epi32(pix2, pix2)); _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix, pix)); } for (;x < endx;x++, data = _mm_add_ps(data, slope)) { __m128i pix = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x]))); pix = _mm_packs_epi32(pix, pix); *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix)); } #endif } void DPSOFTRAST_Draw_Span_AddBloomBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub, const float *subcolor) { #ifdef SSE2_PRESENT int x, startx = span->startx, endx = span->endx; __m128i localcolor = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_loadu_ps(subcolor), _mm_set1_ps(255.0f))), _MM_SHUFFLE(3, 0, 1, 2)); localcolor = _mm_shuffle_epi32(_mm_packs_epi32(localcolor, localcolor), _MM_SHUFFLE(1, 0, 1, 0)); for (x = startx;x+2 <= endx;x+=2) { __m128i pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ina4ub[x*4]), _mm_setzero_si128()); __m128i pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&inb4ub[x*4]), _mm_setzero_si128()); pix1 = _mm_add_epi16(pix1, _mm_sub_epi16(pix2, localcolor)); _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix1, pix1)); } if(x < endx) { __m128i pix1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&ina4ub[x*4]), _mm_setzero_si128()); __m128i pix2 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&inb4ub[x*4]), _mm_setzero_si128()); pix1 = _mm_add_epi16(pix1, _mm_sub_epi16(pix2, localcolor)); *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1)); } #endif } void DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub) { #ifdef SSE2_PRESENT int x, startx = span->startx, endx = span->endx; for (x = startx;x+2 <= endx;x+=2) { __m128i pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ina4ub[x*4]), _mm_setzero_si128()); __m128i pix2 = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_loadl_epi64((const __m128i *)&inb4ub[x*4])); pix1 = _mm_mulhi_epu16(pix1, pix2); _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix1, pix1)); } if(x < endx) { __m128i pix1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&ina4ub[x*4]), _mm_setzero_si128()); __m128i pix2 = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&inb4ub[x*4])); pix1 = _mm_mulhi_epu16(pix1, pix2); *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1)); } #endif } void DPSOFTRAST_Draw_Span_AddBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub) { #ifdef SSE2_PRESENT int x, startx = span->startx, endx = span->endx; for (x = startx;x+2 <= endx;x+=2) { __m128i pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ina4ub[x*4]), _mm_setzero_si128()); __m128i pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&inb4ub[x*4]), _mm_setzero_si128()); pix1 = _mm_add_epi16(pix1, pix2); _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix1, pix1)); } if(x < endx) { __m128i pix1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&ina4ub[x*4]), _mm_setzero_si128()); __m128i pix2 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&inb4ub[x*4]), _mm_setzero_si128()); pix1 = _mm_add_epi16(pix1, pix2); *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1)); } #endif } void DPSOFTRAST_Draw_Span_TintedAddBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub, const float *inbtintbgra) { #ifdef SSE2_PRESENT int x, startx = span->startx, endx = span->endx; __m128i tint = _mm_cvtps_epi32(_mm_mul_ps(_mm_loadu_ps(inbtintbgra), _mm_set1_ps(256.0f))); tint = _mm_shuffle_epi32(_mm_packs_epi32(tint, tint), _MM_SHUFFLE(1, 0, 1, 0)); for (x = startx;x+2 <= endx;x+=2) { __m128i pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ina4ub[x*4]), _mm_setzero_si128()); __m128i pix2 = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_loadl_epi64((const __m128i *)&inb4ub[x*4])); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epu16(tint, pix2)); _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix1, pix1)); } if(x < endx) { __m128i pix1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&ina4ub[x*4]), _mm_setzero_si128()); __m128i pix2 = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&inb4ub[x*4])); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epu16(tint, pix2)); *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1)); } #endif } void DPSOFTRAST_Draw_Span_MixBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub) { #ifdef SSE2_PRESENT int x, startx = span->startx, endx = span->endx; for (x = startx;x+2 <= endx;x+=2) { __m128i pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ina4ub[x*4]), _mm_setzero_si128()); __m128i pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&inb4ub[x*4]), _mm_setzero_si128()); __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3)); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 4), _mm_slli_epi16(blend, 4))); _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix1, pix1)); } if(x < endx) { __m128i pix1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&ina4ub[x*4]), _mm_setzero_si128()); __m128i pix2 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&inb4ub[x*4]), _mm_setzero_si128()); __m128i blend = _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 3, 3, 3)); pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 4), _mm_slli_epi16(blend, 4))); *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1)); } #endif } void DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, const float *color) { #ifdef SSE2_PRESENT int x, startx = span->startx, endx = span->endx; __m128i localcolor = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_loadu_ps(color), _mm_set1_ps(255.0f))), _MM_SHUFFLE(3, 0, 1, 2)), blend; localcolor = _mm_shuffle_epi32(_mm_packs_epi32(localcolor, localcolor), _MM_SHUFFLE(1, 0, 1, 0)); blend = _mm_slli_epi16(_mm_shufflehi_epi16(_mm_shufflelo_epi16(localcolor, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3)), 4); for (x = startx;x+2 <= endx;x+=2) { __m128i pix = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&in4ub[x*4]), _mm_setzero_si128()); pix = _mm_add_epi16(pix, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(localcolor, pix), 4), blend)); _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix, pix)); } if(x < endx) { __m128i pix = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&in4ub[x*4]), _mm_setzero_si128()); pix = _mm_add_epi16(pix, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(localcolor, pix), 4), blend)); *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix)); } #endif } void DPSOFTRAST_VertexShader_Generic(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices); DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR) DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices); } void DPSOFTRAST_PixelShader_Generic(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE) { DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_FIRST, 2, buffer_z); DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(span, buffer_FragColorbgra8, buffer_texture_colorbgra8, 1, buffer_z); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR) { DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_SECOND, 2, buffer_z); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING) { // multiply DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8); } else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING) { // add DPSOFTRAST_Draw_Span_AddBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8); } else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) { // alphablend DPSOFTRAST_Draw_Span_MixBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8); } } } else DPSOFTRAST_Draw_Span_VaryingBGRA8(span, buffer_FragColorbgra8, 1, buffer_z); DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_PostProcess(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices); DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices); } void DPSOFTRAST_PixelShader_PostProcess(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { // TODO: optimize!! at the very least there is no reason to use texture sampling on the frame texture float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_FragColorbgra8, GL20TU_FIRST, 2, buffer_z); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_BLOOM) { DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_SECOND, 3, buffer_z); DPSOFTRAST_Draw_Span_AddBloomBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_colorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_BloomColorSubtract * 4); } DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_ViewTintColor * 4); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SATURATION) { // TODO: implement saturation } if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GAMMARAMPS) { // TODO: implement gammaramps } DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_Depth_Or_Shadow(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); } void DPSOFTRAST_PixelShader_Depth_Or_Shadow(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { // this is never called (because colormask is off when this shader is used) float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); memset(buffer_FragColorbgra8, 0, span->length*4); DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_FlatColor(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_TexMatrixM1); } void DPSOFTRAST_PixelShader_FlatColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { int x, startx = span->startx, endx = span->endx; int Color_Ambienti[4]; float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; Color_Ambienti[2] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0]*256.0f); Color_Ambienti[1] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1]*256.0f); Color_Ambienti[0] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2]*256.0f); Color_Ambienti[3] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0] *256.0f); DPSOFTRAST_Draw_Span_Begin(span, buffer_z); DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z); for (x = startx;x < endx;x++) { buffer_FragColorbgra8[x*4+0] = (buffer_texture_colorbgra8[x*4+0] * Color_Ambienti[0])>>8; buffer_FragColorbgra8[x*4+1] = (buffer_texture_colorbgra8[x*4+1] * Color_Ambienti[1])>>8; buffer_FragColorbgra8[x*4+2] = (buffer_texture_colorbgra8[x*4+2] * Color_Ambienti[2])>>8; buffer_FragColorbgra8[x*4+3] = (buffer_texture_colorbgra8[x*4+3] * Color_Ambienti[3])>>8; } DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_VertexColor(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices); DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_TexMatrixM1); } void DPSOFTRAST_PixelShader_VertexColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { #ifdef SSE2_PRESENT unsigned char * RESTRICT pixelmask = span->pixelmask; unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0] + span->start * 4; int x, startx = span->startx, endx = span->endx; __m128i Color_Ambientm, Color_Diffusem; __m128 data, slope; float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; int arrayindex = DPSOFTRAST_ARRAY_COLOR; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z); if (dpsoftrast.user.alphatest || dpsoftrast.fb_blendmode != DPSOFTRAST_BLENDMODE_OPAQUE) pixel = buffer_FragColorbgra8; Color_Ambientm = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(&dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4]), _mm_set1_ps(256.0f))), _MM_SHUFFLE(3, 0, 1, 2)); Color_Ambientm = _mm_and_si128(Color_Ambientm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0)); Color_Ambientm = _mm_or_si128(Color_Ambientm, _mm_setr_epi32(0, 0, 0, (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0]*255.0f))); Color_Ambientm = _mm_packs_epi32(Color_Ambientm, Color_Ambientm); Color_Diffusem = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(&dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4]), _mm_set1_ps(4096.0f))), _MM_SHUFFLE(3, 0, 1, 2)); Color_Diffusem = _mm_and_si128(Color_Diffusem, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0)); Color_Diffusem = _mm_packs_epi32(Color_Diffusem, Color_Diffusem); data = _mm_load_ps(span->data[0][arrayindex]); slope = _mm_load_ps(span->data[1][arrayindex]); data = _mm_shuffle_ps(data, data, _MM_SHUFFLE(3, 0, 1, 2)); slope = _mm_shuffle_ps(slope, slope, _MM_SHUFFLE(3, 0, 1, 2)); data = _mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx))); data = _mm_mul_ps(data, _mm_set1_ps(4096.0f)); slope = _mm_mul_ps(slope, _mm_set1_ps(4096.0f)); for (x = startx;x < endx;x++, data = _mm_add_ps(data, slope)) { __m128i color, mod, pix; if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101) { __m128i pix2, mod2; __m128 z = _mm_loadu_ps(&buffer_z[x]); color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]); mod = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_shuffle_ps(z, z, _MM_SHUFFLE(0, 0, 0, 0)))); data = _mm_add_ps(data, slope); mod = _mm_packs_epi32(mod, _mm_cvtps_epi32(_mm_mul_ps(data, _mm_shuffle_ps(z, z, _MM_SHUFFLE(1, 1, 1, 1))))); data = _mm_add_ps(data, slope); mod2 = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_shuffle_ps(z, z, _MM_SHUFFLE(2, 2, 2, 2)))); data = _mm_add_ps(data, slope); mod2 = _mm_packs_epi32(mod2, _mm_cvtps_epi32(_mm_mul_ps(data, _mm_shuffle_ps(z, z, _MM_SHUFFLE(3, 3, 3, 3))))); pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, mod), Color_Ambientm), _mm_unpacklo_epi8(_mm_setzero_si128(), color)); pix2 = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, mod2), Color_Ambientm), _mm_unpackhi_epi8(_mm_setzero_si128(), color)); _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2)); x += 3; continue; } if(!pixelmask[x]) continue; color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4])); mod = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&buffer_z[x]))); mod = _mm_packs_epi32(mod, mod); pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(mod, Color_Diffusem), Color_Ambientm), color); *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix)); } if(pixel == buffer_FragColorbgra8) DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); #endif } void DPSOFTRAST_VertexShader_Lightmap(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_TexMatrixM1); DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices); } void DPSOFTRAST_PixelShader_Lightmap(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { #ifdef SSE2_PRESENT unsigned char * RESTRICT pixelmask = span->pixelmask; unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0] + span->start * 4; int x, startx = span->startx, endx = span->endx; __m128i Color_Ambientm, Color_Diffusem, Color_Glowm, Color_AmbientGlowm; float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_LIGHTMAP, DPSOFTRAST_ARRAY_TEXCOORD4, buffer_z); if (dpsoftrast.user.alphatest || dpsoftrast.fb_blendmode != DPSOFTRAST_BLENDMODE_OPAQUE) pixel = buffer_FragColorbgra8; Color_Ambientm = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(&dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4]), _mm_set1_ps(256.0f))), _MM_SHUFFLE(3, 0, 1, 2)); Color_Ambientm = _mm_and_si128(Color_Ambientm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0)); Color_Ambientm = _mm_or_si128(Color_Ambientm, _mm_setr_epi32(0, 0, 0, (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0]*255.0f))); Color_Ambientm = _mm_packs_epi32(Color_Ambientm, Color_Ambientm); Color_Diffusem = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(&dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4]), _mm_set1_ps(256.0f))), _MM_SHUFFLE(3, 0, 1, 2)); Color_Diffusem = _mm_and_si128(Color_Diffusem, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0)); Color_Diffusem = _mm_packs_epi32(Color_Diffusem, Color_Diffusem); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW) { DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); Color_Glowm = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(&dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4]), _mm_set1_ps(256.0f))), _MM_SHUFFLE(3, 0, 1, 2)); Color_Glowm = _mm_and_si128(Color_Glowm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0)); Color_Glowm = _mm_packs_epi32(Color_Glowm, Color_Glowm); Color_AmbientGlowm = _mm_unpacklo_epi64(Color_Ambientm, Color_Glowm); for (x = startx;x < endx;x++) { __m128i color, lightmap, glow, pix; if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101) { __m128i pix2; color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]); lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]); glow = _mm_loadu_si128((const __m128i *)&buffer_texture_glowbgra8[x*4]); pix = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm), _mm_unpacklo_epi8(_mm_setzero_si128(), color)), _mm_mulhi_epu16(Color_Glowm, _mm_unpacklo_epi8(_mm_setzero_si128(), glow))); pix2 = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm), _mm_unpackhi_epi8(_mm_setzero_si128(), color)), _mm_mulhi_epu16(Color_Glowm, _mm_unpackhi_epi8(_mm_setzero_si128(), glow))); _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2)); x += 3; continue; } if(!pixelmask[x]) continue; color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4])); lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4])); glow = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_glowbgra8[x*4])); pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, lightmap), Color_AmbientGlowm), _mm_unpacklo_epi64(color, glow)); pix = _mm_add_epi16(pix, _mm_shuffle_epi32(pix, _MM_SHUFFLE(3, 2, 3, 2))); *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix)); } } else { for (x = startx;x < endx;x++) { __m128i color, lightmap, pix; if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101) { __m128i pix2; color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]); lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]); pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm), _mm_unpacklo_epi8(_mm_setzero_si128(), color)); pix2 = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm), _mm_unpackhi_epi8(_mm_setzero_si128(), color)); _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2)); x += 3; continue; } if(!pixelmask[x]) continue; color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4])); lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4])); pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(lightmap, Color_Diffusem), Color_Ambientm), color); *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix)); } } if(pixel == buffer_FragColorbgra8) DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); #endif } void DPSOFTRAST_VertexShader_FakeLight(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); } void DPSOFTRAST_PixelShader_FakeLight(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { // TODO: IMPLEMENT float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); memset(buffer_FragColorbgra8, 0, span->length*4); DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace(void) { DPSOFTRAST_VertexShader_Lightmap(); } void DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { DPSOFTRAST_PixelShader_Lightmap(span); // TODO: IMPLEMENT } void DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace(void) { DPSOFTRAST_VertexShader_Lightmap(); } void DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { DPSOFTRAST_PixelShader_Lightmap(span); // TODO: IMPLEMENT } void DPSOFTRAST_VertexShader_LightDirection(void) { int i; int numvertices = dpsoftrast.draw.numvertices; float LightDir[4]; float LightVector[4]; float EyePosition[4]; float EyeVectorModelSpace[4]; float EyeVector[4]; float position[4]; float svector[4]; float tvector[4]; float normal[4]; LightDir[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+0]; LightDir[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+1]; LightDir[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+2]; LightDir[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+3]; EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0]; EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1]; EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2]; EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3]; DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_TexMatrixM1); for (i = 0;i < numvertices;i++) { position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0]; position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1]; position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2]; svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0]; svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1]; svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2]; tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0]; tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1]; tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2]; normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0]; normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1]; normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2]; LightVector[0] = svector[0] * LightDir[0] + svector[1] * LightDir[1] + svector[2] * LightDir[2]; LightVector[1] = tvector[0] * LightDir[0] + tvector[1] * LightDir[1] + tvector[2] * LightDir[2]; LightVector[2] = normal[0] * LightDir[0] + normal[1] * LightDir[1] + normal[2] * LightDir[2]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f; EyeVectorModelSpace[0] = EyePosition[0] - position[0]; EyeVectorModelSpace[1] = EyePosition[1] - position[1]; EyeVectorModelSpace[2] = EyePosition[2] - position[2]; EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2]; EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2]; EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f; } } #define DPSOFTRAST_Min(a,b) ((a) < (b) ? (a) : (b)) #define DPSOFTRAST_Max(a,b) ((a) > (b) ? (a) : (b)) #define DPSOFTRAST_Vector3Dot(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2]) #define DPSOFTRAST_Vector3LengthSquared(v) (DPSOFTRAST_Vector3Dot((v),(v))) #define DPSOFTRAST_Vector3Length(v) (sqrt(DPSOFTRAST_Vector3LengthSquared(v))) #define DPSOFTRAST_Vector3Normalize(v)\ do\ {\ float len = sqrt(DPSOFTRAST_Vector3Dot(v,v));\ if (len)\ {\ len = 1.0f / len;\ v[0] *= len;\ v[1] *= len;\ v[2] *= len;\ }\ }\ while(0) void DPSOFTRAST_PixelShader_LightDirection(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; int x, startx = span->startx, endx = span->endx; float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4]; float LightVectordata[4]; float LightVectorslope[4]; float EyeVectordata[4]; float EyeVectorslope[4]; float z; float diffusetex[4]; float glosstex[4]; float surfacenormal[4]; float lightnormal[4]; float eyenormal[4]; float specularnormal[4]; float diffuse; float specular; float SpecularPower; int d[4]; Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0]; Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1]; Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2]; Color_Glow[3] = 0.0f; Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0]; Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1]; Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2]; Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0]; Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0]; Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1]; Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2]; Color_Pants[3] = 0.0f; Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0]; Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1]; Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2]; Color_Shirt[3] = 0.0f; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING) { DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); } if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW) { DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); } if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR) { Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0]; Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1]; Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2]; Color_Diffuse[3] = 0.0f; LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0]; LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1]; LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2]; LightColor[3] = 0.0f; LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0]; LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1]; LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2]; LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3]; LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0]; LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1]; LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2]; LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3]; DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0]; Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1]; Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2]; Color_Specular[3] = 0.0f; SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f); EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0]; EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1]; EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2]; EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3]; EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0]; EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1]; EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2]; EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3]; DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); for (x = startx;x < endx;x++) { z = buffer_z[x]; diffusetex[0] = buffer_texture_colorbgra8[x*4+0]; diffusetex[1] = buffer_texture_colorbgra8[x*4+1]; diffusetex[2] = buffer_texture_colorbgra8[x*4+2]; diffusetex[3] = buffer_texture_colorbgra8[x*4+3]; if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING) { diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0]; diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1]; diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2]; diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3]; } glosstex[0] = buffer_texture_glossbgra8[x*4+0]; glosstex[1] = buffer_texture_glossbgra8[x*4+1]; glosstex[2] = buffer_texture_glossbgra8[x*4+2]; glosstex[3] = buffer_texture_glossbgra8[x*4+3]; surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f; surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f; surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f; DPSOFTRAST_Vector3Normalize(surfacenormal); lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z; lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z; lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z; DPSOFTRAST_Vector3Normalize(lightnormal); eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z; eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z; eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z; DPSOFTRAST_Vector3Normalize(eyenormal); specularnormal[0] = lightnormal[0] + eyenormal[0]; specularnormal[1] = lightnormal[1] + eyenormal[1]; specularnormal[2] = lightnormal[2] + eyenormal[2]; DPSOFTRAST_Vector3Normalize(specularnormal); diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f; specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f; specular = pow(specular, SpecularPower * glosstex[3]); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW) { d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * Color_Ambient[0] + (diffusetex[0] * Color_Diffuse[0] * diffuse + glosstex[0] * Color_Specular[0] * specular) * LightColor[0]);if (d[0] > 255) d[0] = 255; d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * Color_Ambient[1] + (diffusetex[1] * Color_Diffuse[1] * diffuse + glosstex[1] * Color_Specular[1] * specular) * LightColor[1]);if (d[1] > 255) d[1] = 255; d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * Color_Ambient[2] + (diffusetex[2] * Color_Diffuse[2] * diffuse + glosstex[2] * Color_Specular[2] * specular) * LightColor[2]);if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255; } else { d[0] = (int)( diffusetex[0] * Color_Ambient[0] + (diffusetex[0] * Color_Diffuse[0] * diffuse + glosstex[0] * Color_Specular[0] * specular) * LightColor[0]);if (d[0] > 255) d[0] = 255; d[1] = (int)( diffusetex[1] * Color_Ambient[1] + (diffusetex[1] * Color_Diffuse[1] * diffuse + glosstex[1] * Color_Specular[1] * specular) * LightColor[1]);if (d[1] > 255) d[1] = 255; d[2] = (int)( diffusetex[2] * Color_Ambient[2] + (diffusetex[2] * Color_Diffuse[2] * diffuse + glosstex[2] * Color_Specular[2] * specular) * LightColor[2]);if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255; } buffer_FragColorbgra8[x*4+0] = d[0]; buffer_FragColorbgra8[x*4+1] = d[1]; buffer_FragColorbgra8[x*4+2] = d[2]; buffer_FragColorbgra8[x*4+3] = d[3]; } } else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE) { Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0]; Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1]; Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2]; Color_Diffuse[3] = 0.0f; LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0]; LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1]; LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2]; LightColor[3] = 0.0f; LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0]; LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1]; LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2]; LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3]; LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0]; LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1]; LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2]; LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3]; DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); for (x = startx;x < endx;x++) { z = buffer_z[x]; diffusetex[0] = buffer_texture_colorbgra8[x*4+0]; diffusetex[1] = buffer_texture_colorbgra8[x*4+1]; diffusetex[2] = buffer_texture_colorbgra8[x*4+2]; diffusetex[3] = buffer_texture_colorbgra8[x*4+3]; surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f; surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f; surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f; DPSOFTRAST_Vector3Normalize(surfacenormal); lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z; lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z; lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z; DPSOFTRAST_Vector3Normalize(lightnormal); diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f; if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW) { d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse * LightColor[0]));if (d[0] > 255) d[0] = 255; d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse * LightColor[1]));if (d[1] > 255) d[1] = 255; d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse * LightColor[2]));if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255; } else { d[0] = (int)( + diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse * LightColor[0]));if (d[0] > 255) d[0] = 255; d[1] = (int)( + diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse * LightColor[1]));if (d[1] > 255) d[1] = 255; d[2] = (int)( + diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse * LightColor[2]));if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255; } buffer_FragColorbgra8[x*4+0] = d[0]; buffer_FragColorbgra8[x*4+1] = d[1]; buffer_FragColorbgra8[x*4+2] = d[2]; buffer_FragColorbgra8[x*4+3] = d[3]; } } else { for (x = startx;x < endx;x++) { z = buffer_z[x]; diffusetex[0] = buffer_texture_colorbgra8[x*4+0]; diffusetex[1] = buffer_texture_colorbgra8[x*4+1]; diffusetex[2] = buffer_texture_colorbgra8[x*4+2]; diffusetex[3] = buffer_texture_colorbgra8[x*4+3]; if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW) { d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255; d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255; d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255; } else { d[0] = (int)( diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255; d[1] = (int)( diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255; d[2] = (int)( diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255; } buffer_FragColorbgra8[x*4+0] = d[0]; buffer_FragColorbgra8[x*4+1] = d[1]; buffer_FragColorbgra8[x*4+2] = d[2]; buffer_FragColorbgra8[x*4+3] = d[3]; } } DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_LightSource(void) { int i; int numvertices = dpsoftrast.draw.numvertices; float LightPosition[4]; float LightVector[4]; float LightVectorModelSpace[4]; float EyePosition[4]; float EyeVectorModelSpace[4]; float EyeVector[4]; float position[4]; float svector[4]; float tvector[4]; float normal[4]; LightPosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+0]; LightPosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+1]; LightPosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+2]; LightPosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+3]; EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0]; EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1]; EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2]; EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3]; DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_TexMatrixM1); DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD3], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelToLightM1); DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices); for (i = 0;i < numvertices;i++) { position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0]; position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1]; position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2]; svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0]; svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1]; svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2]; tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0]; tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1]; tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2]; normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0]; normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1]; normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2]; LightVectorModelSpace[0] = LightPosition[0] - position[0]; LightVectorModelSpace[1] = LightPosition[1] - position[1]; LightVectorModelSpace[2] = LightPosition[2] - position[2]; LightVector[0] = svector[0] * LightVectorModelSpace[0] + svector[1] * LightVectorModelSpace[1] + svector[2] * LightVectorModelSpace[2]; LightVector[1] = tvector[0] * LightVectorModelSpace[0] + tvector[1] * LightVectorModelSpace[1] + tvector[2] * LightVectorModelSpace[2]; LightVector[2] = normal[0] * LightVectorModelSpace[0] + normal[1] * LightVectorModelSpace[1] + normal[2] * LightVectorModelSpace[2]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f; EyeVectorModelSpace[0] = EyePosition[0] - position[0]; EyeVectorModelSpace[1] = EyePosition[1] - position[1]; EyeVectorModelSpace[2] = EyePosition[2] - position[2]; EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2]; EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2]; EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2]; dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f; } } void DPSOFTRAST_PixelShader_LightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_cubebgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; int x, startx = span->startx, endx = span->endx; float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4]; float CubeVectordata[4]; float CubeVectorslope[4]; float LightVectordata[4]; float LightVectorslope[4]; float EyeVectordata[4]; float EyeVectorslope[4]; float z; float diffusetex[4]; float glosstex[4]; float surfacenormal[4]; float lightnormal[4]; float eyenormal[4]; float specularnormal[4]; float diffuse; float specular; float SpecularPower; float CubeVector[4]; float attenuation; int d[4]; Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0]; Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1]; Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2]; Color_Glow[3] = 0.0f; Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0]; Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1]; Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2]; Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0]; Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0]; Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1]; Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2]; Color_Diffuse[3] = 0.0f; Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0]; Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1]; Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2]; Color_Specular[3] = 0.0f; Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0]; Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1]; Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2]; Color_Pants[3] = 0.0f; Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0]; Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1]; Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2]; Color_Shirt[3] = 0.0f; LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0]; LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1]; LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2]; LightColor[3] = 0.0f; SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f); EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0]; EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1]; EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2]; EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3]; EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0]; EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1]; EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2]; EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3]; LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0]; LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1]; LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2]; LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3]; LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0]; LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1]; LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2]; LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3]; CubeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][0]; CubeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][1]; CubeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][2]; CubeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][3]; CubeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][0]; CubeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][1]; CubeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][2]; CubeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][3]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); memset(buffer_FragColorbgra8 + startx*4, 0, (endx-startx)*4); // clear first, because we skip writing black pixels, and there are a LOT of them... DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING) { DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); } if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER) DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(span, buffer_texture_cubebgra8, GL20TU_CUBE, DPSOFTRAST_ARRAY_TEXCOORD3, buffer_z); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR) { DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); for (x = startx;x < endx;x++) { z = buffer_z[x]; CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z; CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z; CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z; attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector); if (attenuation < 0.01f) continue; if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D) { attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector); if (attenuation < 0.01f) continue; } diffusetex[0] = buffer_texture_colorbgra8[x*4+0]; diffusetex[1] = buffer_texture_colorbgra8[x*4+1]; diffusetex[2] = buffer_texture_colorbgra8[x*4+2]; diffusetex[3] = buffer_texture_colorbgra8[x*4+3]; if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING) { diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0]; diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1]; diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2]; diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3]; } glosstex[0] = buffer_texture_glossbgra8[x*4+0]; glosstex[1] = buffer_texture_glossbgra8[x*4+1]; glosstex[2] = buffer_texture_glossbgra8[x*4+2]; glosstex[3] = buffer_texture_glossbgra8[x*4+3]; surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f; surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f; surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f; DPSOFTRAST_Vector3Normalize(surfacenormal); lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z; lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z; lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z; DPSOFTRAST_Vector3Normalize(lightnormal); eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z; eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z; eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z; DPSOFTRAST_Vector3Normalize(eyenormal); specularnormal[0] = lightnormal[0] + eyenormal[0]; specularnormal[1] = lightnormal[1] + eyenormal[1]; specularnormal[2] = lightnormal[2] + eyenormal[2]; DPSOFTRAST_Vector3Normalize(specularnormal); diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f; specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f; specular = pow(specular, SpecularPower * glosstex[3]); if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER) { // scale down the attenuation to account for the cubefilter multiplying everything by 255 attenuation *= (1.0f / 255.0f); d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse) + glosstex[0] * Color_Specular[0] * specular) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255; d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse) + glosstex[1] * Color_Specular[1] * specular) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255; d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse) + glosstex[2] * Color_Specular[2] * specular) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255; } else { d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse) + glosstex[0] * Color_Specular[0] * specular) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255; d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse) + glosstex[1] * Color_Specular[1] * specular) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255; d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse) + glosstex[2] * Color_Specular[2] * specular) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255; } buffer_FragColorbgra8[x*4+0] = d[0]; buffer_FragColorbgra8[x*4+1] = d[1]; buffer_FragColorbgra8[x*4+2] = d[2]; buffer_FragColorbgra8[x*4+3] = d[3]; } } else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE) { DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z); for (x = startx;x < endx;x++) { z = buffer_z[x]; CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z; CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z; CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z; attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector); if (attenuation < 0.01f) continue; if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D) { attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector); if (attenuation < 0.01f) continue; } diffusetex[0] = buffer_texture_colorbgra8[x*4+0]; diffusetex[1] = buffer_texture_colorbgra8[x*4+1]; diffusetex[2] = buffer_texture_colorbgra8[x*4+2]; diffusetex[3] = buffer_texture_colorbgra8[x*4+3]; if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING) { diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0]; diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1]; diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2]; diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3]; } surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f; surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f; surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f; DPSOFTRAST_Vector3Normalize(surfacenormal); lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z; lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z; lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z; DPSOFTRAST_Vector3Normalize(lightnormal); diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f; if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER) { // scale down the attenuation to account for the cubefilter multiplying everything by 255 attenuation *= (1.0f / 255.0f); d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse)) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255; d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse)) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255; d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse)) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255; } else { d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse)) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255; d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse)) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255; d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse)) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255; } buffer_FragColorbgra8[x*4+0] = d[0]; buffer_FragColorbgra8[x*4+1] = d[1]; buffer_FragColorbgra8[x*4+2] = d[2]; buffer_FragColorbgra8[x*4+3] = d[3]; } } else { for (x = startx;x < endx;x++) { z = buffer_z[x]; CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z; CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z; CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z; attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector); if (attenuation < 0.01f) continue; if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D) { attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector); if (attenuation < 0.01f) continue; } diffusetex[0] = buffer_texture_colorbgra8[x*4+0]; diffusetex[1] = buffer_texture_colorbgra8[x*4+1]; diffusetex[2] = buffer_texture_colorbgra8[x*4+2]; diffusetex[3] = buffer_texture_colorbgra8[x*4+3]; if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING) { diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0]; diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1]; diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2]; diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3]; } if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER) { // scale down the attenuation to account for the cubefilter multiplying everything by 255 attenuation *= (1.0f / 255.0f); d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255; d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255; d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255; } else { d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255; d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255; d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255; d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255; } buffer_FragColorbgra8[x*4+0] = d[0]; buffer_FragColorbgra8[x*4+1] = d[1]; buffer_FragColorbgra8[x*4+2] = d[2]; buffer_FragColorbgra8[x*4+3] = d[3]; } } DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_Refraction(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); } void DPSOFTRAST_PixelShader_Refraction(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { // TODO: IMPLEMENT float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); memset(buffer_FragColorbgra8, 0, span->length*4); DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_Water(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); } void DPSOFTRAST_PixelShader_Water(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { // TODO: IMPLEMENT float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); memset(buffer_FragColorbgra8, 0, span->length*4); DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_ShowDepth(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); } void DPSOFTRAST_PixelShader_ShowDepth(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { // TODO: IMPLEMENT float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); memset(buffer_FragColorbgra8, 0, span->length*4); DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_DeferredGeometry(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); } void DPSOFTRAST_PixelShader_DeferredGeometry(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { // TODO: IMPLEMENT float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); memset(buffer_FragColorbgra8, 0, span->length*4); DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } void DPSOFTRAST_VertexShader_DeferredLightSource(void) { DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1); } void DPSOFTRAST_PixelShader_DeferredLightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span) { // TODO: IMPLEMENT float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH]; unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4]; DPSOFTRAST_Draw_Span_Begin(span, buffer_z); memset(buffer_FragColorbgra8, 0, span->length*4); DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8); } typedef struct DPSOFTRAST_ShaderModeInfo_s { int lodarrayindex; void (*Vertex)(void); void (*Span)(const DPSOFTRAST_State_Draw_Span * RESTRICT span); } DPSOFTRAST_ShaderModeInfo; DPSOFTRAST_ShaderModeInfo DPSOFTRAST_ShaderModeTable[SHADERMODE_COUNT] = { {2, DPSOFTRAST_VertexShader_Generic, DPSOFTRAST_PixelShader_Generic, }, {2, DPSOFTRAST_VertexShader_PostProcess, DPSOFTRAST_PixelShader_PostProcess, }, {2, DPSOFTRAST_VertexShader_Depth_Or_Shadow, DPSOFTRAST_PixelShader_Depth_Or_Shadow, }, {2, DPSOFTRAST_VertexShader_FlatColor, DPSOFTRAST_PixelShader_FlatColor, }, {2, DPSOFTRAST_VertexShader_VertexColor, DPSOFTRAST_PixelShader_VertexColor, }, {2, DPSOFTRAST_VertexShader_Lightmap, DPSOFTRAST_PixelShader_Lightmap, }, {2, DPSOFTRAST_VertexShader_FakeLight, DPSOFTRAST_PixelShader_FakeLight, }, {2, DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace, DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace, }, {2, DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace, DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace}, {2, DPSOFTRAST_VertexShader_LightDirection, DPSOFTRAST_PixelShader_LightDirection, }, {2, DPSOFTRAST_VertexShader_LightSource, DPSOFTRAST_PixelShader_LightSource, }, {2, DPSOFTRAST_VertexShader_Refraction, DPSOFTRAST_PixelShader_Refraction, }, {2, DPSOFTRAST_VertexShader_Water, DPSOFTRAST_PixelShader_Water, }, {2, DPSOFTRAST_VertexShader_ShowDepth, DPSOFTRAST_PixelShader_ShowDepth, }, {2, DPSOFTRAST_VertexShader_DeferredGeometry, DPSOFTRAST_PixelShader_DeferredGeometry, }, {2, DPSOFTRAST_VertexShader_DeferredLightSource, DPSOFTRAST_PixelShader_DeferredLightSource, } }; void DPSOFTRAST_Draw_ProcessSpans(void) { int i; int x; int startx; int endx; int numspans = dpsoftrast.draw.numspans; // unsigned int c; // unsigned int *colorpixel; unsigned int *depthpixel; float w; float wslope; int depth; int depthslope; unsigned int d; DPSOFTRAST_State_Draw_Span *span = dpsoftrast.draw.spanqueue; unsigned char pixelmask[DPSOFTRAST_DRAW_MAXSPANLENGTH]; for (i = 0;i < numspans;i++, span++) { w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3]; wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3]; if (dpsoftrast.user.depthtest && dpsoftrast.fb_depthpixels) { depthslope = (int)(wslope*DPSOFTRAST_DEPTHSCALE); depth = (int)(w*DPSOFTRAST_DEPTHSCALE - DPSOFTRAST_DEPTHOFFSET*(dpsoftrast.user.polygonoffset[1] + fabs(wslope)*dpsoftrast.user.polygonoffset[0])); depthpixel = dpsoftrast.fb_depthpixels + span->start; switch(dpsoftrast.fb_depthfunc) { default: case GL_ALWAYS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = true; break; case GL_LESS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] < d; break; case GL_LEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] <= d; break; case GL_EQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] == d; break; case GL_GEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] >= d; break; case GL_GREATER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] > d; break; case GL_NEVER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = false; break; } //colorpixel = dpsoftrast.fb_colorpixels[0] + span->start; //for (x = 0;x < span->length;x++) // colorpixel[x] = (depthpixel[x] & 0xFF000000) ? (0x00FF0000) : (depthpixel[x] & 0x00FF0000); // if there is no color buffer, skip pixel shader startx = 0; endx = span->length; while (startx < endx && !pixelmask[startx]) startx++; while (endx > startx && !pixelmask[endx-1]) endx--; if (startx >= endx) continue; // no pixels to fill span->pixelmask = pixelmask; span->startx = startx; span->endx = endx; // run pixel shader if appropriate // do this before running depthmask code, to allow the pixelshader // to clear pixelmask values for alpha testing if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask) DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span); if (dpsoftrast.user.depthmask) for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) if (pixelmask[x]) depthpixel[x] = d; } else { // no depth testing means we're just dealing with color... // if there is no color buffer, skip pixel shader if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask) { memset(pixelmask, 1, span->length); span->pixelmask = pixelmask; span->startx = 0; span->endx = span->length; DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span); } } } } void DPSOFTRAST_Draw_ProcessTriangles(int firstvertex, int numtriangles, const int *element3i, const unsigned short *element3s, unsigned char *arraymask) { #ifdef SSE2_PRESENT int cullface = dpsoftrast.user.cullface; int width = dpsoftrast.fb_width; int height = dpsoftrast.fb_height; __m128i fbmax = _mm_sub_epi16(_mm_setr_epi16(width, height, width, height, width, height, width, height), _mm_set1_epi16(1)); int i; int j; int k; int y; int e[3]; __m128i screeny; int starty, endy; int numpoints; int edge0p; int edge0n; int edge1p; int edge1n; int startx; int endx; unsigned char mip[DPSOFTRAST_MAXTEXTUREUNITS]; __m128 mipedgescale; float clipdist[4]; __m128 clipfrac[4]; __m128 clipped[DPSOFTRAST_ARRAY_TOTAL][4]; __m128 screen[4]; __m128 proj[DPSOFTRAST_ARRAY_TOTAL][4]; DPSOFTRAST_Texture *texture; DPSOFTRAST_State_Draw_Span *span; DPSOFTRAST_State_Draw_Span *oldspan; for (i = 0;i < numtriangles;i++) { // generate the 3 edges of this triangle // generate spans for the triangle - switch based on left split or right split classification of triangle if (element3i) { e[0] = element3i[i*3+0] - firstvertex; e[1] = element3i[i*3+1] - firstvertex; e[2] = element3i[i*3+2] - firstvertex; } else if (element3s) { e[0] = element3s[i*3+0] - firstvertex; e[1] = element3s[i*3+1] - firstvertex; e[2] = element3s[i*3+2] - firstvertex; } else { e[0] = i*3+0; e[1] = i*3+1; e[2] = i*3+2; } #define SKIPBACKFACE \ if(cullface != GL_NONE) \ { \ __m128 triangleedge[2]; \ __m128 trianglenormal; \ triangleedge[0] = _mm_sub_ps(screen[0], screen[1]); \ triangleedge[1] = _mm_sub_ps(screen[2], screen[1]); \ /* store normal in 2, 0, 1 order instead of 0, 1, 2 as it requires fewer shuffles and leaves z component accessible as scalar */ \ trianglenormal = _mm_sub_ss(_mm_mul_ss(triangleedge[0], _mm_shuffle_ps(triangleedge[1], triangleedge[1], _MM_SHUFFLE(3, 0, 2, 1))), \ _mm_mul_ss(_mm_shuffle_ps(triangleedge[0], triangleedge[0], _MM_SHUFFLE(3, 0, 2, 1)), triangleedge[1])); \ /* apply current cullface mode (this culls many triangles) */ \ switch(cullface) \ { \ case GL_BACK: \ if (_mm_ucomilt_ss(trianglenormal, _mm_setzero_ps())) \ continue; \ break; \ case GL_FRONT: \ if (_mm_ucomigt_ss(trianglenormal, _mm_setzero_ps())) \ continue; \ break; \ } \ } //trianglenormal = _mm_sub_ps(_mm_mul_ps(triangleedge[0], _mm_shuffle_ps(triangleedge[1], triangleedge[1], _MM_SHUFFLE(3, 0, 2, 1))), // _mm_mul_ps(_mm_shuffle_ps(triangleedge[0], triangleedge[0], _MM_SHUFFLE(3, 0, 2, 1)), triangleedge[1])); //trianglenormal[2] = triangleedge[0][0] * triangleedge[1][1] - triangleedge[0][1] * triangleedge[1][0]; //trianglenormal[0] = triangleedge[0][1] * triangleedge[1][2] - triangleedge[0][2] * triangleedge[1][1]; //trianglenormal[1] = triangleedge[0][2] * triangleedge[1][0] - triangleedge[0][0] * triangleedge[1][2]; // macros for clipping vertices #define CLIPPEDVERTEXLERP(k,p1, p2) \ clipfrac[k] = _mm_set1_ps(clipdist[p1] / (clipdist[p1] - clipdist[p2])); \ { \ __m128 v1 = _mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[p1]*4]), v2 = _mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[p2]*4]); \ clipped[DPSOFTRAST_ARRAY_POSITION][k] = _mm_add_ps(v1, _mm_mul_ps(_mm_sub_ps(v2, v1), clipfrac[k])); \ } \ screen[k] = DPSOFTRAST_Draw_ProjectVertex(clipped[DPSOFTRAST_ARRAY_POSITION][k]); #define CLIPPEDATTRIBSLERP(k,p1,p2) \ for (j = DPSOFTRAST_ARRAY_POSITION+1;j < DPSOFTRAST_ARRAY_TOTAL;j++)\ {\ /*if (arraymask[j])*/\ {\ __m128 v1 = _mm_load_ps(&dpsoftrast.draw.post_array4f[j][e[p1]*4]), v2 = _mm_load_ps(&dpsoftrast.draw.post_array4f[j][e[p2]*4]); \ clipped[j][k] = _mm_add_ps(v1, _mm_mul_ps(_mm_sub_ps(v2, v1), clipfrac[k])); \ }\ } #define CLIPPEDVERTEXCOPY(k,p1) \ screen[k] = _mm_load_ps(&dpsoftrast.draw.screencoord4f[e[p1]*4]); #define CLIPPEDATTRIBSCOPY(k,p1) \ for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)\ {\ /*if (arraymask[j])*/\ {\ clipped[j][k] = _mm_load_ps(&dpsoftrast.draw.post_array4f[j][e[p1]*4]); \ }\ } // calculate distance from nearplane clipdist[0] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4+2] + dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4+3]; clipdist[1] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4+2] + dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4+3]; clipdist[2] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4+2] + dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4+3]; if (clipdist[0] >= 0.0f) { if (clipdist[1] >= 0.0f) { if (clipdist[2] >= 0.0f) { // triangle is entirely in front of nearplane CLIPPEDVERTEXCOPY(0,0); CLIPPEDVERTEXCOPY(1,1); CLIPPEDVERTEXCOPY(2,2); numpoints = 3; SKIPBACKFACE; CLIPPEDATTRIBSCOPY(0,0); CLIPPEDATTRIBSCOPY(1,1); CLIPPEDATTRIBSCOPY(2,2); } else { CLIPPEDVERTEXCOPY(0,0); CLIPPEDVERTEXCOPY(1,1); CLIPPEDVERTEXLERP(2,1,2); CLIPPEDVERTEXLERP(3,2,0); numpoints = 4; SKIPBACKFACE; CLIPPEDATTRIBSCOPY(0,0); CLIPPEDATTRIBSCOPY(1,1); CLIPPEDATTRIBSLERP(2,1,2); CLIPPEDATTRIBSLERP(3,2,0); } } else { if (clipdist[2] >= 0.0f) { CLIPPEDVERTEXCOPY(0,0); CLIPPEDVERTEXLERP(1,0,1); CLIPPEDVERTEXLERP(2,1,2); CLIPPEDVERTEXCOPY(3,2); numpoints = 4; SKIPBACKFACE; CLIPPEDATTRIBSCOPY(0,0); CLIPPEDATTRIBSLERP(1,0,1); CLIPPEDATTRIBSLERP(2,1,2); CLIPPEDATTRIBSCOPY(3,2); } else { CLIPPEDVERTEXCOPY(0,0); CLIPPEDVERTEXLERP(1,0,1); CLIPPEDVERTEXLERP(2,2,0); numpoints = 3; SKIPBACKFACE; CLIPPEDATTRIBSCOPY(0,0); CLIPPEDATTRIBSLERP(1,0,1); CLIPPEDATTRIBSLERP(2,2,0); } } } else if (clipdist[1] >= 0.0f) { if (clipdist[2] >= 0.0f) { CLIPPEDVERTEXLERP(0,0,1); CLIPPEDVERTEXCOPY(1,1); CLIPPEDVERTEXCOPY(2,2); CLIPPEDVERTEXLERP(3,2,0); numpoints = 4; SKIPBACKFACE; CLIPPEDATTRIBSLERP(0,0,1); CLIPPEDATTRIBSCOPY(1,1); CLIPPEDATTRIBSCOPY(2,2); CLIPPEDATTRIBSLERP(3,2,0); } else { CLIPPEDVERTEXLERP(0,0,1); CLIPPEDVERTEXCOPY(1,1); CLIPPEDVERTEXLERP(2,1,2); numpoints = 3; SKIPBACKFACE; CLIPPEDATTRIBSLERP(0,0,1); CLIPPEDATTRIBSCOPY(1,1); CLIPPEDATTRIBSLERP(2,1,2); } } else if (clipdist[2] >= 0.0f) { CLIPPEDVERTEXLERP(0,1,2); CLIPPEDVERTEXCOPY(1,2); CLIPPEDVERTEXLERP(2,2,0); numpoints = 3; SKIPBACKFACE; CLIPPEDATTRIBSLERP(0,1,2); CLIPPEDATTRIBSCOPY(1,2); CLIPPEDATTRIBSLERP(2,2,0); } else continue; // triangle is entirely behind nearplane { // calculate integer y coords for triangle points __m128i screeni = _mm_packs_epi32(_mm_cvttps_epi32(_mm_shuffle_ps(screen[0], screen[1], _MM_SHUFFLE(1, 0, 1, 0))), _mm_cvttps_epi32(_mm_shuffle_ps(screen[2], numpoints <= 3 ? screen[2] : screen[3], _MM_SHUFFLE(1, 0, 1, 0)))), screenir = _mm_shuffle_epi32(screeni, _MM_SHUFFLE(1, 0, 3, 2)), screenmin = _mm_min_epi16(screeni, screenir), screenmax = _mm_max_epi16(screeni, screenir); screenmin = _mm_min_epi16(screenmin, _mm_shufflelo_epi16(screenmin, _MM_SHUFFLE(1, 0, 3, 2))); screenmax = _mm_max_epi16(screenmax, _mm_shufflelo_epi16(screenmax, _MM_SHUFFLE(1, 0, 3, 2))); screenmin = _mm_max_epi16(screenmin, _mm_setzero_si128()); screenmax = _mm_min_epi16(screenmax, fbmax); // skip offscreen triangles if (_mm_cvtsi128_si32(_mm_cmplt_epi16(screenmax, screenmin))) continue; starty = _mm_extract_epi16(screenmin, 1); endy = _mm_extract_epi16(screenmax, 1)+1; screeny = _mm_srai_epi32(screeni, 16); } // okay, this triangle is going to produce spans, we'd better project // the interpolants now (this is what gives perspective texturing), // this consists of simply multiplying all arrays by the W coord // (which is basically 1/Z), which will be undone per-pixel // (multiplying by Z again) to get the perspective-correct array // values for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++) { //if (arraymask[j]) { for (k = 0;k < numpoints;k++) { proj[j][k] = _mm_mul_ps(clipped[j][k], _mm_shuffle_ps(screen[k], screen[k], _MM_SHUFFLE(3, 3, 3, 3))); } } } // adjust texture LOD by texture density, in the simplest way possible... mipedgescale = _mm_sub_ps(_mm_shuffle_ps(screen[0], screen[2], _MM_SHUFFLE(1, 0, 1, 0)), _mm_shuffle_ps(screen[1], screen[1], _MM_SHUFFLE(1, 0, 1, 0))); mipedgescale = _mm_mul_ps(mipedgescale, mipedgescale); mipedgescale = _mm_div_ps(_mm_set1_ps(1.0f), _mm_add_ps(mipedgescale, _mm_shuffle_ps(mipedgescale, mipedgescale, _MM_SHUFFLE(2, 3, 0, 1)))); for (j = 0;j < DPSOFTRAST_MAXTEXTUREUNITS;j++) { texture = dpsoftrast.texbound[j]; if (texture) { __m128 mipedgetc; if (texture->filter <= DPSOFTRAST_TEXTURE_FILTER_LINEAR) { mip[j] = 0; continue; } k = DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].lodarrayindex; mipedgetc = _mm_sub_ps(_mm_shuffle_ps(clipped[k][0], clipped[k][2], _MM_SHUFFLE(1, 0, 1, 0)), _mm_shuffle_ps(clipped[k][1], clipped[k][1], _MM_SHUFFLE(1, 0, 1, 0))); mipedgetc = _mm_mul_ps(mipedgetc, _mm_cvtepi32_ps(_mm_shuffle_epi32(_mm_loadl_epi64((const __m128i *)&texture->mipmap[0][2]), _MM_SHUFFLE(1, 0, 1, 0)))); mipedgetc = _mm_mul_ps(mipedgetc, mipedgetc); mipedgetc = _mm_add_ps(mipedgetc, _mm_shuffle_ps(mipedgetc, mipedgetc, _MM_SHUFFLE(2, 3, 0, 1))); mipedgetc = _mm_mul_ps(mipedgetc, mipedgescale); mipedgetc = _mm_min_ss(mipedgetc, _mm_shuffle_ps(mipedgetc, mipedgetc, _MM_SHUFFLE(2, 2, 2, 2))); // this will be multiplied in the texturing routine by the texture resolution y = _mm_cvtss_si32(mipedgetc); if (y > 0) { y = (int)(log((float)y)/M_LN2); if (y > texture->mipmaps - 1) y = texture->mipmaps - 1; } else y = 0; mip[j] = y; } } // iterate potential spans // TODO: optimize? if we figured out the edge order beforehand, this // could do loops over the edges in the proper order rather than // selecting them for each span // TODO: optimize? the edges could have data slopes calculated // TODO: optimize? the data slopes could be calculated as a plane // (2D slopes) to avoid any interpolation along edges at all for (y = starty+1;y < endy;) { int nexty = -1; __m128 edge0offset, edge1offset, edge0scale, edge1scale, data[DPSOFTRAST_ARRAY_TOTAL+1][2], slope[DPSOFTRAST_ARRAY_TOTAL+1][2]; __m128i screenycc = _mm_cmpgt_epi32(_mm_set1_epi32(y), screeny); int screenymask = _mm_movemask_epi8(screenycc); if (numpoints == 4) { switch(screenymask) { default: case 0xFFFF: /*0000*/ y++; continue; case 0xFFF0: /*1000*/ edge0p = 3;edge0n = 0;edge1p = 1;edge1n = 0;break; case 0xFF0F: /*0100*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 1;break; case 0xFF00: /*1100*/ edge0p = 3;edge0n = 0;edge1p = 2;edge1n = 1;break; case 0xF0FF: /*0010*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 2;break; case 0xF0F0: /*1010*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 2;break; // concave - nonsense case 0xF00F: /*0110*/ edge0p = 0;edge0n = 1;edge1p = 3;edge1n = 2;break; case 0xF000: /*1110*/ edge0p = 3;edge0n = 0;edge1p = 3;edge1n = 2;break; case 0x0FFF: /*0001*/ edge0p = 2;edge0n = 3;edge1p = 0;edge1n = 3;break; case 0x0FF0: /*1001*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 0;break; case 0x0F0F: /*0101*/ edge0p = 2;edge0n = 3;edge1p = 2;edge1n = 1;break; // concave - nonsense case 0x0F00: /*1101*/ edge0p = 2;edge0n = 3;edge1p = 2;edge1n = 1;break; case 0x00FF: /*0011*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 3;break; case 0x00F0: /*1011*/ edge0p = 1;edge0n = 2;edge1p = 1;edge1n = 0;break; case 0x000F: /*0111*/ edge0p = 0;edge0n = 1;edge1p = 0;edge1n = 3;break; case 0x0000: /*1111*/ y++; continue; } } else { switch(screenymask) { default: case 0xFFFF: /*000*/ y++; continue; case 0xFFF0: /*100*/ edge0p = 2;edge0n = 0;edge1p = 1;edge1n = 0;break; case 0xFF0F: /*010*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 1;break; case 0xFF00: /*110*/ edge0p = 2;edge0n = 0;edge1p = 2;edge1n = 1;break; case 0x00FF: /*001*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 2;break; case 0x00F0: /*101*/ edge0p = 1;edge0n = 2;edge1p = 1;edge1n = 0;break; case 0x000F: /*011*/ edge0p = 0;edge0n = 1;edge1p = 0;edge1n = 2;break; case 0x0000: /*111*/ y++; continue; } } screenycc = _mm_max_epi16(_mm_srli_epi16(screenycc, 1), screeny); screenycc = _mm_min_epi16(screenycc, _mm_shuffle_epi32(screenycc, _MM_SHUFFLE(1, 0, 3, 2))); screenycc = _mm_min_epi16(screenycc, _mm_shuffle_epi32(screenycc, _MM_SHUFFLE(2, 3, 0, 1))); nexty = _mm_extract_epi16(screenycc, 0); if(nexty >= endy) nexty = endy-1; if (_mm_ucomigt_ss(_mm_max_ss(screen[edge0n], screen[edge0p]), _mm_min_ss(screen[edge1n], screen[edge1p]))) { int tmp = edge0n; edge0n = edge1n; edge1n = tmp; tmp = edge0p; edge0p = edge1p; edge1p = tmp; } edge0offset = _mm_shuffle_ps(screen[edge0p], screen[edge0p], _MM_SHUFFLE(1, 1, 1, 1)); edge0scale = _mm_div_ss(_mm_set1_ps(1.0f), _mm_sub_ss(_mm_shuffle_ps(screen[edge0n], screen[edge0n], _MM_SHUFFLE(1, 1, 1, 1)), edge0offset)); edge0scale = _mm_shuffle_ps(edge0scale, edge0scale, _MM_SHUFFLE(0, 0, 0, 0)); edge0offset = _mm_sub_ps(_mm_set1_ps(y), edge0offset); edge1offset = _mm_shuffle_ps(screen[edge1p], screen[edge1p], _MM_SHUFFLE(1, 1, 1, 1)); edge1scale = _mm_div_ss(_mm_set1_ps(1.0f), _mm_sub_ss(_mm_shuffle_ps(screen[edge1n], screen[edge1n], _MM_SHUFFLE(1, 1, 1, 1)), edge1offset)); edge1offset = _mm_sub_ps(_mm_set1_ps(y), edge1offset); edge1scale = _mm_shuffle_ps(edge1scale, edge1scale, _MM_SHUFFLE(0, 0, 0, 0)); j = DPSOFTRAST_ARRAY_TOTAL; slope[j][0] = _mm_mul_ps(_mm_sub_ps(screen[edge0n], screen[edge0p]), edge0scale); slope[j][1] = _mm_mul_ps(_mm_sub_ps(screen[edge1n], screen[edge1p]), edge1scale); data[j][0] = _mm_add_ps(_mm_mul_ps(slope[j][0], edge0offset), screen[edge0p]); data[j][1] = _mm_add_ps(_mm_mul_ps(slope[j][1], edge1offset), screen[edge1p]); data[j][1] = _mm_sub_ps(data[j][1], data[j][0]); slope[j][1] = _mm_sub_ps(slope[j][1], slope[j][0]); for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++) { //if (arraymask[j]) { slope[j][0] = _mm_mul_ps(_mm_sub_ps(proj[j][edge0n], proj[j][edge0p]), edge0scale); slope[j][1] = _mm_mul_ps(_mm_sub_ps(proj[j][edge1n], proj[j][edge1p]), edge1scale); data[j][0] = _mm_add_ps(_mm_mul_ps(slope[j][0], edge0offset), proj[j][edge0p]); data[j][1] = _mm_add_ps(_mm_mul_ps(slope[j][1], edge1offset), proj[j][edge1p]); data[j][1] = _mm_sub_ps(data[j][1], data[j][0]); slope[j][1] = _mm_sub_ps(slope[j][1], slope[j][0]); } } goto firstspan; for(; y <= nexty; y++) { __m128 data0, data1, spanilength, startxlerp; j = DPSOFTRAST_ARRAY_TOTAL; data[j][0] = _mm_add_ps(data[j][0], slope[j][0]); data[j][1] = _mm_add_ps(data[j][1], slope[j][1]); for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++) { //if (arraymask[j]) { data[j][0] = _mm_add_ps(data[j][0], slope[j][0]); data[j][1] = _mm_add_ps(data[j][1], slope[j][1]); } } firstspan: startx = _mm_cvtss_si32(_mm_add_ss(data[DPSOFTRAST_ARRAY_TOTAL][0], _mm_set1_ps(0.5f))); endx = _mm_cvtss_si32(_mm_add_ss(_mm_add_ss(data[DPSOFTRAST_ARRAY_TOTAL][0], data[DPSOFTRAST_ARRAY_TOTAL][1]), _mm_set1_ps(0.5f))); if (startx < 0) startx = 0; if (endx > width) endx = width; if (startx >= endx) continue; #if 0 _mm_store_ss(&startxf, data0); _mm_store_ss(&endxf, data1); if (startxf > startx || endxf < endx-1) { printf("%s:%i X wrong (%i to %i is outside %f to %f)\n", __FILE__, __LINE__, startx, endx, startxf, endxf); } #endif spanilength = _mm_div_ss(_mm_set1_ps(1.0f), data[DPSOFTRAST_ARRAY_TOTAL][1]); spanilength = _mm_shuffle_ps(spanilength, spanilength, _MM_SHUFFLE(0, 0, 0, 0)); startxlerp = _mm_sub_ss(_mm_cvtsi32_ss(_mm_setzero_ps(), startx), data[DPSOFTRAST_ARRAY_TOTAL][0]); startxlerp = _mm_shuffle_ps(startxlerp, startxlerp, _MM_SHUFFLE(0, 0, 0, 0)); span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++]; memcpy(span->mip, mip, sizeof(span->mip)); span->start = y * width + startx; span->length = endx - startx; j = DPSOFTRAST_ARRAY_TOTAL; data1 = _mm_mul_ps(data[j][1], spanilength); data0 = _mm_add_ps(data[j][0], _mm_mul_ps(data1, startxlerp)); _mm_store_ps(span->data[0][j], data0); _mm_store_ps(span->data[1][j], data1); for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++) { //if (arraymask[j]) { data1 = _mm_mul_ps(data[j][1], spanilength); data0 = _mm_add_ps(data[j][0], _mm_mul_ps(data1, startxlerp)); _mm_store_ps(span->data[0][j], data0); _mm_store_ps(span->data[1][j], data1); } } // to keep the shader routines from needing more than a small // buffer for pixel intermediate data, we split long spans... while (span->length > DPSOFTRAST_DRAW_MAXSPANLENGTH) { span->length = DPSOFTRAST_DRAW_MAXSPANLENGTH; if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE) { DPSOFTRAST_Draw_ProcessSpans(); dpsoftrast.draw.numspans = 0; } oldspan = span; span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++]; *span = *oldspan; startx += DPSOFTRAST_DRAW_MAXSPANLENGTH; span->start = y * width + startx; span->length = endx - startx; j = DPSOFTRAST_ARRAY_TOTAL; _mm_store_ps(span->data[0][j], _mm_add_ps(_mm_load_ps(span->data[0][j]), _mm_mul_ps(_mm_load_ps(span->data[1][j]), _mm_set1_ps(DPSOFTRAST_DRAW_MAXSPANLENGTH)))); for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++) { //if (arraymask[j]) { _mm_store_ps(span->data[0][j], _mm_add_ps(_mm_load_ps(span->data[0][j]), _mm_mul_ps(_mm_load_ps(span->data[1][j]), _mm_set1_ps(DPSOFTRAST_DRAW_MAXSPANLENGTH)))); } } } // after all that, we have a span suitable for the pixel shader... if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE) { DPSOFTRAST_Draw_ProcessSpans(); dpsoftrast.draw.numspans = 0; } } } // draw outlines over triangle for debugging // for (j = 0, k = numpoints-1;j < numpoints;k = j, j++) // DPSOFTRAST_Draw_DebugEdgePoints(screen[k], screen[j]); } if (dpsoftrast.draw.numspans) { DPSOFTRAST_Draw_ProcessSpans(); dpsoftrast.draw.numspans = 0; } #endif } void DPSOFTRAST_Draw_DebugPoints(void) { int i; int x; int y; int numvertices = dpsoftrast.draw.numvertices; int w = dpsoftrast.fb_width; int bounds[4]; unsigned int *pixels = dpsoftrast.fb_colorpixels[0]; const float *c4f; bounds[0] = dpsoftrast.fb_viewportscissor[0]; bounds[1] = dpsoftrast.fb_viewportscissor[1]; bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2]; bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3]; for (i = 0;i < numvertices;i++) { // check nearclip //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f) // continue; x = (int)(dpsoftrast.draw.screencoord4f[i*4+0]); y = (int)(dpsoftrast.draw.screencoord4f[i*4+1]); //x = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 0.5f); //y = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 0.5f); //x = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 1.0f) * dpsoftrast.fb_width * 0.5f + 0.5f); //y = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 1.0f) * dpsoftrast.fb_height * 0.5f + 0.5f); if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3]) continue; c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + i*4; pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]); } } void DPSOFTRAST_DrawTriangles(int firstvertex, int numvertices, int numtriangles, const int *element3i, const unsigned short *element3s) { unsigned char arraymask[DPSOFTRAST_ARRAY_TOTAL]; arraymask[0] = true; arraymask[1] = dpsoftrast.fb_colorpixels[0] != NULL; // TODO: optimize (decide based on shadermode) arraymask[2] = dpsoftrast.pointer_texcoordf[0] != NULL; arraymask[3] = dpsoftrast.pointer_texcoordf[1] != NULL; arraymask[4] = dpsoftrast.pointer_texcoordf[2] != NULL; arraymask[5] = dpsoftrast.pointer_texcoordf[3] != NULL; arraymask[6] = dpsoftrast.pointer_texcoordf[4] != NULL; arraymask[7] = dpsoftrast.pointer_texcoordf[5] != NULL; arraymask[8] = dpsoftrast.pointer_texcoordf[6] != NULL; arraymask[9] = dpsoftrast.pointer_texcoordf[7] != NULL; DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_DRAW); DPSOFTRAST_Draw_LoadVertices(firstvertex, numvertices, true); DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Vertex(); DPSOFTRAST_Draw_ProjectVertices(dpsoftrast.draw.screencoord4f, dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], numvertices); DPSOFTRAST_Draw_ProcessTriangles(firstvertex, numtriangles, element3i, element3s, arraymask); } void DPSOFTRAST_Init(int width, int height, unsigned int *colorpixels, unsigned int *depthpixels) { union { int i; unsigned char b[4]; } u; u.i = 1; memset(&dpsoftrast, 0, sizeof(dpsoftrast)); dpsoftrast.bigendian = u.b[3]; dpsoftrast.fb_width = width; dpsoftrast.fb_height = height; dpsoftrast.fb_depthpixels = depthpixels; dpsoftrast.fb_colorpixels[0] = colorpixels; dpsoftrast.fb_colorpixels[1] = NULL; dpsoftrast.fb_colorpixels[1] = NULL; dpsoftrast.fb_colorpixels[1] = NULL; dpsoftrast.texture_firstfree = 1; dpsoftrast.texture_end = 1; dpsoftrast.texture_max = 0; dpsoftrast.user.colormask[0] = 1; dpsoftrast.user.colormask[1] = 1; dpsoftrast.user.colormask[2] = 1; dpsoftrast.user.colormask[3] = 1; dpsoftrast.user.blendfunc[0] = GL_ONE; dpsoftrast.user.blendfunc[1] = GL_ZERO; dpsoftrast.user.depthmask = true; dpsoftrast.user.depthtest = true; dpsoftrast.user.depthfunc = GL_LEQUAL; dpsoftrast.user.scissortest = false; dpsoftrast.user.cullface = GL_BACK; dpsoftrast.user.alphatest = false; dpsoftrast.user.alphafunc = GL_GREATER; dpsoftrast.user.alphavalue = 0.5f; dpsoftrast.user.scissor[0] = 0; dpsoftrast.user.scissor[1] = 0; dpsoftrast.user.scissor[2] = dpsoftrast.fb_width; dpsoftrast.user.scissor[3] = dpsoftrast.fb_height; dpsoftrast.user.viewport[0] = 0; dpsoftrast.user.viewport[1] = 0; dpsoftrast.user.viewport[2] = dpsoftrast.fb_width; dpsoftrast.user.viewport[3] = dpsoftrast.fb_height; dpsoftrast.user.depthrange[0] = 0; dpsoftrast.user.depthrange[1] = 1; dpsoftrast.user.polygonoffset[0] = 0; dpsoftrast.user.polygonoffset[1] = 0; dpsoftrast.user.color[0] = 1; dpsoftrast.user.color[1] = 1; dpsoftrast.user.color[2] = 1; dpsoftrast.user.color[3] = 1; dpsoftrast.validate = -1; DPSOFTRAST_Validate(-1); dpsoftrast.validate = 0; } void DPSOFTRAST_Shutdown(void) { int i; for (i = 0;i < dpsoftrast.texture_end;i++) if (dpsoftrast.texture[i].bytes) MM_FREE(dpsoftrast.texture[i].bytes); if (dpsoftrast.texture) free(dpsoftrast.texture); memset(&dpsoftrast, 0, sizeof(dpsoftrast)); }