6 #include "dpsoftrast.h"
13 #define ALIGN(var) var __attribute__((__aligned__(16)))
14 #elif defined(_MSC_VER)
15 #define ALIGN(var) __declspec(align(16)) var
17 #define ALIGN(var) var
21 #include <emmintrin.h>
23 #define MM_MALLOC(size) _mm_malloc(size, 16)
25 static void *MM_CALLOC(size_t nmemb, size_t size)
27 void *ptr = _mm_malloc(nmemb*size, 16);
28 if(ptr != NULL) memset(ptr, 0, nmemb*size);
32 #define MM_FREE _mm_free
34 #define MM_MALLOC(size) malloc(size)
35 #define MM_CALLOC(nmemb, size) calloc(nmemb, size)
39 typedef enum DPSOFTRAST_ARRAY_e
41 DPSOFTRAST_ARRAY_POSITION,
42 DPSOFTRAST_ARRAY_COLOR,
43 DPSOFTRAST_ARRAY_TEXCOORD0,
44 DPSOFTRAST_ARRAY_TEXCOORD1,
45 DPSOFTRAST_ARRAY_TEXCOORD2,
46 DPSOFTRAST_ARRAY_TEXCOORD3,
47 DPSOFTRAST_ARRAY_TEXCOORD4,
48 DPSOFTRAST_ARRAY_TEXCOORD5,
49 DPSOFTRAST_ARRAY_TEXCOORD6,
50 DPSOFTRAST_ARRAY_TEXCOORD7,
51 DPSOFTRAST_ARRAY_TOTAL
55 typedef struct DPSOFTRAST_Texture_s
62 DPSOFTRAST_TEXTURE_FILTER filter;
66 int mipmap[DPSOFTRAST_MAXMIPMAPS][5];
70 typedef struct DPSOFTRAST_State_User_s
86 float polygonoffset[2];
89 DPSOFTRAST_State_User;
91 #define DPSOFTRAST_MAXSUBSPAN 16
93 typedef ALIGN(struct DPSOFTRAST_State_Draw_Span_s
95 int start; // pixel index
96 int length; // pixel count
97 int startx; // usable range (according to pixelmask)
98 int endx; // usable range (according to pixelmask)
99 unsigned char mip[DPSOFTRAST_MAXTEXTUREUNITS]; // texcoord to screen space density values (for picking mipmap of textures)
100 unsigned char *pixelmask; // true for pixels that passed depth test, false for others
101 // [0][n][] is start interpolant values (projected)
102 // [1][n][] is end interpolant values (projected)
103 // [0][DPSOFTRAST_ARRAY_TOTAL][] is start screencoord4f
104 // [1][DPSOFTRAST_ARRAY_TOTAL][] is end screencoord4f
105 // NOTE: screencoord4f[3] is W (basically 1/Z), useful for depthbuffer
106 ALIGN(float data[2][DPSOFTRAST_ARRAY_TOTAL+1][4]);
108 DPSOFTRAST_State_Draw_Span);
110 #define DPSOFTRAST_DRAW_MAXSPANQUEUE 1024
112 typedef struct DPSOFTRAST_State_Draw_s
116 float *in_array4f[DPSOFTRAST_ARRAY_TOTAL];
117 float *post_array4f[DPSOFTRAST_ARRAY_TOTAL];
118 float *screencoord4f;
120 // spans are queued in this structure for dispatch to the pixel shader,
121 // partly to improve cache locality, partly for batching purposes, spans
122 // are flushed before DrawTriangles returns to caller
124 DPSOFTRAST_State_Draw_Span spanqueue[DPSOFTRAST_DRAW_MAXSPANQUEUE];
126 DPSOFTRAST_State_Draw;
128 #define DPSOFTRAST_VALIDATE_FB 1
129 #define DPSOFTRAST_VALIDATE_DEPTHFUNC 2
130 #define DPSOFTRAST_VALIDATE_BLENDFUNC 4
131 #define DPSOFTRAST_VALIDATE_DRAW (DPSOFTRAST_VALIDATE_FB | DPSOFTRAST_VALIDATE_DEPTHFUNC | DPSOFTRAST_VALIDATE_BLENDFUNC)
133 typedef enum DPSOFTRAST_BLENDMODE_e
135 DPSOFTRAST_BLENDMODE_OPAQUE,
136 DPSOFTRAST_BLENDMODE_ALPHA,
137 DPSOFTRAST_BLENDMODE_ADDALPHA,
138 DPSOFTRAST_BLENDMODE_ADD,
139 DPSOFTRAST_BLENDMODE_INVMOD,
140 DPSOFTRAST_BLENDMODE_MUL,
141 DPSOFTRAST_BLENDMODE_MUL2,
142 DPSOFTRAST_BLENDMODE_SUBALPHA,
143 DPSOFTRAST_BLENDMODE_PSEUDOALPHA,
144 DPSOFTRAST_BLENDMODE_TOTAL
146 DPSOFTRAST_BLENDMODE;
148 typedef ALIGN(struct DPSOFTRAST_State_s
150 // DPSOFTRAST_VALIDATE_ flags
156 unsigned int *fb_depthpixels;
157 unsigned int *fb_colorpixels[4];
159 const float *pointer_vertex3f;
160 const float *pointer_color4f;
161 const unsigned char *pointer_color4ub;
162 const float *pointer_texcoordf[DPSOFTRAST_MAXTEXCOORDARRAYS];
165 int stride_texcoord[DPSOFTRAST_MAXTEXCOORDARRAYS];
166 int components_texcoord[DPSOFTRAST_MAXTEXCOORDARRAYS];
167 DPSOFTRAST_Texture *texbound[DPSOFTRAST_MAXTEXTUREUNITS];
170 int shader_permutation;
171 ALIGN(float uniform4f[DPSOFTRAST_UNIFORM_TOTAL*4]);
172 int uniform1i[DPSOFTRAST_UNIFORM_TOTAL];
174 // derived values (DPSOFTRAST_VALIDATE_FB)
175 int fb_clearscissor[4];
177 int fb_viewportscissor[4];
178 ALIGN(float fb_viewportcenter[4]);
179 ALIGN(float fb_viewportscale[4]);
181 // derived values (DPSOFTRAST_VALIDATE_DEPTHFUNC)
184 // derived values (DPSOFTRAST_VALIDATE_BLENDFUNC)
189 int texture_firstfree;
190 DPSOFTRAST_Texture *texture;
195 const char *errorstring;
197 DPSOFTRAST_State_User user;
199 DPSOFTRAST_State_Draw draw;
203 DPSOFTRAST_State dpsoftrast;
205 extern int dpsoftrast_test;
207 #define DPSOFTRAST_DEPTHSCALE (1024.0f*1048576.0f)
208 #define DPSOFTRAST_DEPTHOFFSET (128.0f)
209 #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))
210 #define DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d) ((int)(DPSOFTRAST_DEPTHSCALE * (1-d)))
211 #define DPSOFTRAST_DRAW_MAXSPANLENGTH 256
213 void DPSOFTRAST_RecalcFB(void)
215 // calculate framebuffer scissor, viewport, viewport clipped by scissor,
216 // and viewport projection values
217 int x1, x2, x3, x4, x5, x6;
218 int y1, y2, y3, y4, y5, y6;
219 x1 = dpsoftrast.user.scissor[0];
220 x2 = dpsoftrast.user.scissor[0] + dpsoftrast.user.scissor[2];
221 x3 = dpsoftrast.user.viewport[0];
222 x4 = dpsoftrast.user.viewport[0] + dpsoftrast.user.viewport[2];
223 y1 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1] - dpsoftrast.user.scissor[3];
224 y2 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1];
225 y3 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - dpsoftrast.user.viewport[3];
226 y4 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1];
227 if (!dpsoftrast.user.scissortest) {x1 = 0;y1 = 0;x2 = dpsoftrast.fb_width;y2 = dpsoftrast.fb_height;}
229 if (x2 > dpsoftrast.fb_width) x2 = dpsoftrast.fb_width;
231 if (x4 > dpsoftrast.fb_width) x4 = dpsoftrast.fb_width;
233 if (y2 > dpsoftrast.fb_height) y2 = dpsoftrast.fb_height;
235 if (y4 > dpsoftrast.fb_height) y4 = dpsoftrast.fb_height;
236 x5 = x1;if (x5 < x3) x5 = x3;
237 x6 = x2;if (x6 > x4) x4 = x4;
238 y5 = y1;if (y5 < y3) y5 = y3;
239 y6 = y2;if (y6 > y4) y6 = y4;
240 dpsoftrast.fb_clearscissor[0] = x1;
241 dpsoftrast.fb_clearscissor[1] = y1;
242 dpsoftrast.fb_clearscissor[2] = x2 - x1;
243 dpsoftrast.fb_clearscissor[3] = y2 - y1;
244 dpsoftrast.fb_viewport[0] = x3;
245 dpsoftrast.fb_viewport[1] = y3;
246 dpsoftrast.fb_viewport[2] = x4 - x3;
247 dpsoftrast.fb_viewport[3] = y4 - y3;
248 dpsoftrast.fb_viewportscissor[0] = x5;
249 dpsoftrast.fb_viewportscissor[1] = y5;
250 dpsoftrast.fb_viewportscissor[2] = x6 - x5;
251 dpsoftrast.fb_viewportscissor[3] = y6 - y5;
252 dpsoftrast.fb_viewportcenter[1] = dpsoftrast.user.viewport[0] + 0.5f * dpsoftrast.user.viewport[2] - 0.5f;
253 dpsoftrast.fb_viewportcenter[2] = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - 0.5f * dpsoftrast.user.viewport[3] - 0.5f;
254 dpsoftrast.fb_viewportcenter[3] = 0.5f;
255 dpsoftrast.fb_viewportcenter[0] = 0.0f;
256 dpsoftrast.fb_viewportscale[1] = 0.5f * dpsoftrast.user.viewport[2];
257 dpsoftrast.fb_viewportscale[2] = -0.5f * dpsoftrast.user.viewport[3];
258 dpsoftrast.fb_viewportscale[3] = 0.5f;
259 dpsoftrast.fb_viewportscale[0] = 0.0f;
262 void DPSOFTRAST_RecalcDepthFunc(void)
264 dpsoftrast.fb_depthfunc = dpsoftrast.user.depthtest ? dpsoftrast.user.depthfunc : GL_ALWAYS;
267 int blendmodetable[][4] =
269 {DPSOFTRAST_BLENDMODE_OPAQUE, GL_ONE, GL_ZERO, false},
270 {DPSOFTRAST_BLENDMODE_ALPHA, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, false},
271 {DPSOFTRAST_BLENDMODE_ADDALPHA, GL_SRC_ALPHA, GL_ONE, false},
272 {DPSOFTRAST_BLENDMODE_ADD, GL_ONE, GL_ONE, false},
273 {DPSOFTRAST_BLENDMODE_INVMOD, GL_ZERO, GL_ONE_MINUS_SRC_COLOR, false},
274 {DPSOFTRAST_BLENDMODE_MUL, GL_ZERO, GL_SRC_COLOR, false},
275 {DPSOFTRAST_BLENDMODE_MUL, GL_DST_COLOR, GL_ZERO, false},
276 {DPSOFTRAST_BLENDMODE_MUL2, GL_DST_COLOR, GL_SRC_COLOR, false},
277 {DPSOFTRAST_BLENDMODE_PSEUDOALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA, false},
278 {DPSOFTRAST_BLENDMODE_SUBALPHA, GL_SRC_COLOR, GL_ONE, true}
281 void DPSOFTRAST_RecalcBlendFunc(void)
284 dpsoftrast.fb_blendmode = DPSOFTRAST_BLENDMODE_OPAQUE;
285 for (i = 0;i < (int)(sizeof(blendmodetable) / sizeof(blendmodetable[0]));i++)
287 if (dpsoftrast.user.blendfunc[0] == blendmodetable[i][1] && dpsoftrast.user.blendfunc[1] == blendmodetable[i][2] && dpsoftrast.user.blendsubtract == blendmodetable[i][3])
289 dpsoftrast.fb_blendmode = blendmodetable[i][0];
295 #define DPSOFTRAST_ValidateQuick(f) ((dpsoftrast.validate & (f)) ? (DPSOFTRAST_Validate(f), 0) : 0)
297 void DPSOFTRAST_Validate(int mask)
299 mask &= dpsoftrast.validate;
302 if (mask & DPSOFTRAST_VALIDATE_FB)
304 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_FB;
305 DPSOFTRAST_RecalcFB();
307 if (mask & DPSOFTRAST_VALIDATE_DEPTHFUNC)
309 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_DEPTHFUNC;
310 DPSOFTRAST_RecalcDepthFunc();
312 if (mask & DPSOFTRAST_VALIDATE_BLENDFUNC)
314 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_BLENDFUNC;
315 DPSOFTRAST_RecalcBlendFunc();
319 DPSOFTRAST_Texture *DPSOFTRAST_Texture_GetByIndex(int index)
321 if (index >= 1 && index < dpsoftrast.texture_end && dpsoftrast.texture[index].bytes)
322 return &dpsoftrast.texture[index];
326 int DPSOFTRAST_Texture_New(int flags, int width, int height, int depth)
335 int sides = (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) ? 6 : 1;
336 int texformat = flags & DPSOFTRAST_TEXTURE_FORMAT_COMPAREMASK;
337 DPSOFTRAST_Texture *texture;
338 if (width*height*depth < 1)
340 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: width, height or depth is less than 1";
343 if (width > DPSOFTRAST_TEXTURE_MAXSIZE || height > DPSOFTRAST_TEXTURE_MAXSIZE || depth > DPSOFTRAST_TEXTURE_MAXSIZE)
345 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: texture size is too large";
350 case DPSOFTRAST_TEXTURE_FORMAT_BGRA8:
351 case DPSOFTRAST_TEXTURE_FORMAT_RGBA8:
352 case DPSOFTRAST_TEXTURE_FORMAT_ALPHA8:
354 case DPSOFTRAST_TEXTURE_FORMAT_DEPTH:
355 if (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP)
357 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures";
362 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures";
365 if ((flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && (texformat == DPSOFTRAST_TEXTURE_FORMAT_DEPTH))
367 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH does not permit mipmaps";
372 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP))
374 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_CUBEMAP can not be used on 3D textures";
377 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
379 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures";
382 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
384 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures";
387 if ((flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
389 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on cubemap textures";
392 if ((width & (width-1)) || (height & (height-1)) || (depth & (depth-1)))
394 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: dimensions are not power of two";
397 // find first empty slot in texture array
398 for (texnum = dpsoftrast.texture_firstfree;texnum < dpsoftrast.texture_end;texnum++)
399 if (!dpsoftrast.texture[texnum].bytes)
401 dpsoftrast.texture_firstfree = texnum + 1;
402 if (dpsoftrast.texture_max <= texnum)
404 // expand texture array as needed
405 if (dpsoftrast.texture_max < 1024)
406 dpsoftrast.texture_max = 1024;
408 dpsoftrast.texture_max *= 2;
409 dpsoftrast.texture = (DPSOFTRAST_Texture *)realloc(dpsoftrast.texture, dpsoftrast.texture_max * sizeof(DPSOFTRAST_Texture));
411 if (dpsoftrast.texture_end <= texnum)
412 dpsoftrast.texture_end = texnum + 1;
413 texture = &dpsoftrast.texture[texnum];
414 memset(texture, 0, sizeof(*texture));
415 texture->flags = flags;
416 texture->width = width;
417 texture->height = height;
418 texture->depth = depth;
419 texture->sides = sides;
430 s = w * h * d * sides * 4;
431 texture->mipmap[mipmaps][0] = size;
432 texture->mipmap[mipmaps][1] = s;
433 texture->mipmap[mipmaps][2] = w;
434 texture->mipmap[mipmaps][3] = h;
435 texture->mipmap[mipmaps][4] = d;
438 if (w * h * d == 1 || !(flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
444 texture->mipmaps = mipmaps;
445 texture->size = size;
447 // allocate the pixels now
448 texture->bytes = (unsigned char *)MM_CALLOC(1, size);
452 void DPSOFTRAST_Texture_Free(int index)
454 DPSOFTRAST_Texture *texture;
455 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
457 MM_FREE(texture->bytes);
458 texture->bytes = NULL;
459 memset(texture, 0, sizeof(*texture));
460 // adjust the free range and used range
461 if (dpsoftrast.texture_firstfree > index)
462 dpsoftrast.texture_firstfree = index;
463 while (dpsoftrast.texture_end > 0 && dpsoftrast.texture[dpsoftrast.texture_end-1].bytes == NULL)
464 dpsoftrast.texture_end--;
466 void DPSOFTRAST_Texture_CalculateMipmaps(int index)
468 int i, x, y, z, w, layer0, layer1, row0, row1;
469 unsigned char *o, *i0, *i1, *i2, *i3;
470 DPSOFTRAST_Texture *texture;
471 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
472 if (texture->mipmaps <= 1)
474 for (i = 1;i < texture->mipmaps;i++)
476 for (z = 0;z < texture->mipmap[i][4];z++)
480 if (layer1 >= texture->mipmap[i-1][4])
481 layer1 = texture->mipmap[i-1][4]-1;
482 for (y = 0;y < texture->mipmap[i][3];y++)
486 if (row1 >= texture->mipmap[i-1][3])
487 row1 = texture->mipmap[i-1][3]-1;
488 o = texture->bytes + texture->mipmap[i ][0] + 4*((texture->mipmap[i ][3] * z + y ) * texture->mipmap[i ][2]);
489 i0 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row0) * texture->mipmap[i-1][2]);
490 i1 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row1) * texture->mipmap[i-1][2]);
491 i2 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row0) * texture->mipmap[i-1][2]);
492 i3 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row1) * texture->mipmap[i-1][2]);
493 w = texture->mipmap[i][2];
496 if (texture->mipmap[i-1][2] > 1)
498 // average 3D texture
499 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8, i2 += 8, i3 += 8)
501 o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + i2[0] + i2[4] + i3[0] + i3[4] + 4) >> 3;
502 o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + i2[1] + i2[5] + i3[1] + i3[5] + 4) >> 3;
503 o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + i2[2] + i2[6] + i3[2] + i3[6] + 4) >> 3;
504 o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + i2[3] + i2[7] + i3[3] + i3[7] + 4) >> 3;
509 // average 3D mipmap with parent width == 1
510 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8)
512 o[0] = (i0[0] + i1[0] + i2[0] + i3[0] + 2) >> 2;
513 o[1] = (i0[1] + i1[1] + i2[1] + i3[1] + 2) >> 2;
514 o[2] = (i0[2] + i1[2] + i2[2] + i3[2] + 2) >> 2;
515 o[3] = (i0[3] + i1[3] + i2[3] + i3[3] + 2) >> 2;
521 if (texture->mipmap[i-1][2] > 1)
523 // average 2D texture (common case)
524 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8)
526 o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + 2) >> 2;
527 o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + 2) >> 2;
528 o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + 2) >> 2;
529 o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + 2) >> 2;
534 // 2D texture with parent width == 1
535 o[0] = (i0[0] + i1[0] + 1) >> 1;
536 o[1] = (i0[1] + i1[1] + 1) >> 1;
537 o[2] = (i0[2] + i1[2] + 1) >> 1;
538 o[3] = (i0[3] + i1[3] + 1) >> 1;
545 void DPSOFTRAST_Texture_UpdatePartial(int index, int mip, const unsigned char *pixels, int blockx, int blocky, int blockwidth, int blockheight)
547 DPSOFTRAST_Texture *texture;
548 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
552 dpsoftrast.errorstring = "DPSOFTRAST_Texture_UpdatePartial: Not implemented.";
554 void DPSOFTRAST_Texture_UpdateFull(int index, const unsigned char *pixels)
556 DPSOFTRAST_Texture *texture;
557 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
559 memcpy(texture->bytes, pixels, texture->mipmap[0][1]);
560 DPSOFTRAST_Texture_CalculateMipmaps(index);
562 int DPSOFTRAST_Texture_GetWidth(int index, int mip)
564 DPSOFTRAST_Texture *texture;
565 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
566 return texture->mipmap[mip][2];
568 int DPSOFTRAST_Texture_GetHeight(int index, int mip)
570 DPSOFTRAST_Texture *texture;
571 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
572 return texture->mipmap[mip][3];
574 int DPSOFTRAST_Texture_GetDepth(int index, int mip)
576 DPSOFTRAST_Texture *texture;
577 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
578 return texture->mipmap[mip][4];
580 unsigned char *DPSOFTRAST_Texture_GetPixelPointer(int index, int mip)
582 DPSOFTRAST_Texture *texture;
583 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
584 return texture->bytes + texture->mipmap[mip][0];
586 void DPSOFTRAST_Texture_Filter(int index, DPSOFTRAST_TEXTURE_FILTER filter)
588 DPSOFTRAST_Texture *texture;
589 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
590 if (!(texture->flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && filter > DPSOFTRAST_TEXTURE_FILTER_LINEAR)
592 dpsoftrast.errorstring = "DPSOFTRAST_Texture_Filter: requested filter mode requires mipmaps";
595 texture->filter = filter;
598 void DPSOFTRAST_SetRenderTargets(int width, int height, unsigned int *depthpixels, unsigned int *colorpixels0, unsigned int *colorpixels1, unsigned int *colorpixels2, unsigned int *colorpixels3)
600 dpsoftrast.fb_width = width;
601 dpsoftrast.fb_height = height;
602 dpsoftrast.fb_depthpixels = depthpixels;
603 dpsoftrast.fb_colorpixels[0] = colorpixels0;
604 dpsoftrast.fb_colorpixels[1] = colorpixels1;
605 dpsoftrast.fb_colorpixels[2] = colorpixels2;
606 dpsoftrast.fb_colorpixels[3] = colorpixels3;
608 void DPSOFTRAST_Viewport(int x, int y, int width, int height)
610 dpsoftrast.user.viewport[0] = x;
611 dpsoftrast.user.viewport[1] = y;
612 dpsoftrast.user.viewport[2] = width;
613 dpsoftrast.user.viewport[3] = height;
614 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
616 void DPSOFTRAST_ClearColor(float r, float g, float b, float a)
618 int i, x1, y1, x2, y2, w, h, x, y;
621 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB);
622 x1 = dpsoftrast.fb_clearscissor[0];
623 y1 = dpsoftrast.fb_clearscissor[1];
624 x2 = dpsoftrast.fb_clearscissor[2];
625 y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3];
630 // FIXME: honor dpsoftrast.fb_colormask?
631 c = DPSOFTRAST_BGRA8_FROM_RGBA32F(r,g,b,a);
632 for (i = 0;i < 4;i++)
634 if (!dpsoftrast.fb_colorpixels[i])
636 for (y = y1;y < y2;y++)
638 p = dpsoftrast.fb_colorpixels[i] + y * dpsoftrast.fb_width;
639 for (x = x1;x < x2;x++)
644 void DPSOFTRAST_ClearDepth(float d)
646 int x1, y1, x2, y2, w, h, x, y;
649 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB);
650 x1 = dpsoftrast.fb_clearscissor[0];
651 y1 = dpsoftrast.fb_clearscissor[1];
652 x2 = dpsoftrast.fb_clearscissor[2];
653 y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3];
658 c = DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d);
659 for (y = y1;y < y2;y++)
661 p = dpsoftrast.fb_depthpixels + y * dpsoftrast.fb_width;
662 for (x = x1;x < x2;x++)
666 void DPSOFTRAST_ColorMask(int r, int g, int b, int a)
668 dpsoftrast.user.colormask[0] = r != 0;
669 dpsoftrast.user.colormask[1] = g != 0;
670 dpsoftrast.user.colormask[2] = b != 0;
671 dpsoftrast.user.colormask[3] = a != 0;
672 dpsoftrast.fb_colormask = ((-dpsoftrast.user.colormask[0]) & 0x00FF0000) | ((-dpsoftrast.user.colormask[1]) & 0x0000FF00) | ((-dpsoftrast.user.colormask[2]) & 0x000000FF) | ((-dpsoftrast.user.colormask[3]) & 0xFF000000);
674 void DPSOFTRAST_DepthTest(int enable)
676 dpsoftrast.user.depthtest = enable;
677 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_DEPTHFUNC;
679 void DPSOFTRAST_ScissorTest(int enable)
681 dpsoftrast.user.scissortest = enable;
682 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
684 void DPSOFTRAST_Scissor(float x, float y, float width, float height)
686 dpsoftrast.user.scissor[0] = x;
687 dpsoftrast.user.scissor[1] = y;
688 dpsoftrast.user.scissor[2] = width;
689 dpsoftrast.user.scissor[3] = height;
690 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
693 void DPSOFTRAST_BlendFunc(int smodulate, int dmodulate)
696 dpsoftrast.user.blendfunc[0] = smodulate;
697 dpsoftrast.user.blendfunc[1] = dmodulate;
698 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC;
700 void DPSOFTRAST_BlendSubtract(int enable)
702 dpsoftrast.user.blendsubtract = enable != 0;
703 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC;
705 void DPSOFTRAST_DepthMask(int enable)
707 dpsoftrast.user.depthmask = enable;
709 void DPSOFTRAST_DepthFunc(int comparemode)
712 dpsoftrast.user.depthfunc = comparemode;
714 void DPSOFTRAST_DepthRange(float range0, float range1)
716 dpsoftrast.user.depthrange[0] = range0;
717 dpsoftrast.user.depthrange[1] = range1;
719 void DPSOFTRAST_PolygonOffset(float alongnormal, float intoview)
721 dpsoftrast.user.polygonoffset[0] = alongnormal;
722 dpsoftrast.user.polygonoffset[1] = intoview;
724 void DPSOFTRAST_CullFace(int mode)
727 dpsoftrast.user.cullface = mode;
729 void DPSOFTRAST_AlphaTest(float enable)
731 dpsoftrast.user.alphatest = enable;
733 void DPSOFTRAST_AlphaFunc(int alphafunc, float alphavalue)
736 dpsoftrast.user.alphafunc = alphafunc;
737 dpsoftrast.user.alphavalue = alphavalue;
739 void DPSOFTRAST_Color4f(float r, float g, float b, float a)
741 dpsoftrast.user.color[0] = r;
742 dpsoftrast.user.color[1] = g;
743 dpsoftrast.user.color[2] = b;
744 dpsoftrast.user.color[3] = a;
746 void DPSOFTRAST_GetPixelsBGRA(int blockx, int blocky, int blockwidth, int blockheight, unsigned char *outpixels)
748 int outstride = blockwidth * 4;
749 int instride = dpsoftrast.fb_width * 4;
752 int bx2 = blockx + blockwidth;
753 int by2 = blocky + blockheight;
758 unsigned char *inpixels;
761 if (bx1 < 0) bx1 = 0;
762 if (by1 < 0) by1 = 0;
763 if (bx2 > dpsoftrast.fb_width) bx2 = dpsoftrast.fb_width;
764 if (by2 > dpsoftrast.fb_height) by2 = dpsoftrast.fb_height;
767 inpixels = (unsigned char *)dpsoftrast.fb_colorpixels[0];
768 if (dpsoftrast.bigendian)
770 for (y = by1;y < by2;y++)
772 b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1;
773 o = (unsigned char *)outpixels + (y - by1) * outstride;
774 for (x = bx1;x < bx2;x++)
787 for (y = by1;y < by2;y++)
789 b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1;
790 o = (unsigned char *)outpixels + (y - by1) * outstride;
796 void DPSOFTRAST_CopyRectangleToTexture(int index, int mip, int tx, int ty, int sx, int sy, int width, int height)
800 int tx2 = tx + width;
801 int ty2 = ty + height;
804 int sx2 = sx + width;
805 int sy2 = sy + height;
815 unsigned int *spixels;
816 unsigned int *tpixels;
817 DPSOFTRAST_Texture *texture;
818 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
819 if (mip < 0 || mip >= texture->mipmaps) return;
820 spixels = dpsoftrast.fb_colorpixels[0];
821 swidth = dpsoftrast.fb_width;
822 sheight = dpsoftrast.fb_height;
823 tpixels = (unsigned int *)(texture->bytes + texture->mipmap[mip][0]);
824 twidth = texture->mipmap[mip][2];
825 theight = texture->mipmap[mip][3];
826 if (tx1 < 0) tx1 = 0;
827 if (ty1 < 0) ty1 = 0;
828 if (tx2 > twidth) tx2 = twidth;
829 if (ty2 > theight) ty2 = theight;
830 if (sx1 < 0) sx1 = 0;
831 if (sy1 < 0) sy1 = 0;
832 if (sx2 > swidth) sx2 = swidth;
833 if (sy2 > sheight) sy2 = sheight;
838 if (tw > sw) tw = sw;
839 if (th > sh) th = sh;
840 if (tw < 1 || th < 1)
842 for (y = 0;y < th;y++)
843 memcpy(tpixels + ((ty1 + y) * twidth + tx1), spixels + ((sy1 + y) * swidth + sx1), tw*4);
844 if (texture->mipmaps > 1)
845 DPSOFTRAST_Texture_CalculateMipmaps(index);
847 void DPSOFTRAST_SetTexture(int unitnum, int index)
849 DPSOFTRAST_Texture *texture;
850 if (unitnum < 0 || unitnum >= DPSOFTRAST_MAXTEXTUREUNITS)
852 dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid unit number";
855 texture = DPSOFTRAST_Texture_GetByIndex(index);
856 if (index && !texture)
858 dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid texture handle";
861 dpsoftrast.texbound[unitnum] = texture;
864 void DPSOFTRAST_SetVertexPointer(const float *vertex3f, size_t stride)
866 dpsoftrast.pointer_vertex3f = vertex3f;
867 dpsoftrast.stride_vertex = stride;
869 void DPSOFTRAST_SetColorPointer(const float *color4f, size_t stride)
871 dpsoftrast.pointer_color4f = color4f;
872 dpsoftrast.pointer_color4ub = NULL;
873 dpsoftrast.stride_color = stride;
875 void DPSOFTRAST_SetColorPointer4ub(const unsigned char *color4ub, size_t stride)
877 dpsoftrast.pointer_color4f = NULL;
878 dpsoftrast.pointer_color4ub = color4ub;
879 dpsoftrast.stride_color = stride;
881 void DPSOFTRAST_SetTexCoordPointer(int unitnum, int numcomponents, size_t stride, const float *texcoordf)
883 dpsoftrast.pointer_texcoordf[unitnum] = texcoordf;
884 dpsoftrast.components_texcoord[unitnum] = numcomponents;
885 dpsoftrast.stride_texcoord[unitnum] = stride;
888 void DPSOFTRAST_SetShader(unsigned int mode, unsigned int permutation)
890 dpsoftrast.shader_mode = mode;
891 dpsoftrast.shader_permutation = permutation;
893 void DPSOFTRAST_Uniform4fARB(DPSOFTRAST_UNIFORM index, float v0, float v1, float v2, float v3)
895 dpsoftrast.uniform4f[index*4+0] = v0;
896 dpsoftrast.uniform4f[index*4+1] = v1;
897 dpsoftrast.uniform4f[index*4+2] = v2;
898 dpsoftrast.uniform4f[index*4+3] = v3;
900 void DPSOFTRAST_Uniform4fvARB(DPSOFTRAST_UNIFORM index, const float *v)
902 dpsoftrast.uniform4f[index*4+0] = v[0];
903 dpsoftrast.uniform4f[index*4+1] = v[1];
904 dpsoftrast.uniform4f[index*4+2] = v[2];
905 dpsoftrast.uniform4f[index*4+3] = v[3];
907 void DPSOFTRAST_UniformMatrix4fvARB(DPSOFTRAST_UNIFORM index, int arraysize, int transpose, const float *v)
910 for (i = 0;i < arraysize;i++, index += 4, v += 16)
914 dpsoftrast.uniform4f[index*4+0] = v[0];
915 dpsoftrast.uniform4f[index*4+1] = v[4];
916 dpsoftrast.uniform4f[index*4+2] = v[8];
917 dpsoftrast.uniform4f[index*4+3] = v[12];
918 dpsoftrast.uniform4f[index*4+4] = v[1];
919 dpsoftrast.uniform4f[index*4+5] = v[5];
920 dpsoftrast.uniform4f[index*4+6] = v[9];
921 dpsoftrast.uniform4f[index*4+7] = v[13];
922 dpsoftrast.uniform4f[index*4+8] = v[2];
923 dpsoftrast.uniform4f[index*4+9] = v[6];
924 dpsoftrast.uniform4f[index*4+10] = v[10];
925 dpsoftrast.uniform4f[index*4+11] = v[14];
926 dpsoftrast.uniform4f[index*4+12] = v[3];
927 dpsoftrast.uniform4f[index*4+13] = v[7];
928 dpsoftrast.uniform4f[index*4+14] = v[11];
929 dpsoftrast.uniform4f[index*4+15] = v[15];
933 dpsoftrast.uniform4f[index*4+0] = v[0];
934 dpsoftrast.uniform4f[index*4+1] = v[1];
935 dpsoftrast.uniform4f[index*4+2] = v[2];
936 dpsoftrast.uniform4f[index*4+3] = v[3];
937 dpsoftrast.uniform4f[index*4+4] = v[4];
938 dpsoftrast.uniform4f[index*4+5] = v[5];
939 dpsoftrast.uniform4f[index*4+6] = v[6];
940 dpsoftrast.uniform4f[index*4+7] = v[7];
941 dpsoftrast.uniform4f[index*4+8] = v[8];
942 dpsoftrast.uniform4f[index*4+9] = v[9];
943 dpsoftrast.uniform4f[index*4+10] = v[10];
944 dpsoftrast.uniform4f[index*4+11] = v[11];
945 dpsoftrast.uniform4f[index*4+12] = v[12];
946 dpsoftrast.uniform4f[index*4+13] = v[13];
947 dpsoftrast.uniform4f[index*4+14] = v[14];
948 dpsoftrast.uniform4f[index*4+15] = v[15];
952 void DPSOFTRAST_Uniform1iARB(DPSOFTRAST_UNIFORM index, int i0)
954 dpsoftrast.uniform1i[index] = i0;
957 void DPSOFTRAST_Draw_LoadVertices(int firstvertex, int numvertices, bool needcolors)
965 const unsigned char *b;
966 dpsoftrast.draw.numvertices = numvertices;
967 if (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices)
969 if (dpsoftrast.draw.maxvertices < 4096)
970 dpsoftrast.draw.maxvertices = 4096;
971 while (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices)
972 dpsoftrast.draw.maxvertices *= 2;
973 if (dpsoftrast.draw.in_array4f[0])
974 MM_FREE(dpsoftrast.draw.in_array4f[0]);
975 data = (float *)MM_CALLOC(1, dpsoftrast.draw.maxvertices * sizeof(float[4])*(DPSOFTRAST_ARRAY_TOTAL*2 + 1));
976 for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4)
977 dpsoftrast.draw.in_array4f[i] = data;
978 for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4)
979 dpsoftrast.draw.post_array4f[i] = data;
980 dpsoftrast.draw.screencoord4f = data;
981 data += dpsoftrast.draw.maxvertices * 4;
983 stride = dpsoftrast.stride_vertex;
984 v = (const float *)((unsigned char *)dpsoftrast.pointer_vertex3f + firstvertex * stride);
985 p = dpsoftrast.draw.in_array4f[0];
986 for (i = 0;i < numvertices;i++)
993 v = (const float *)((const unsigned char *)v + stride);
997 if (dpsoftrast.pointer_color4f)
999 stride = dpsoftrast.stride_color;
1000 v = (const float *)((const unsigned char *)dpsoftrast.pointer_color4f + firstvertex * stride);
1001 p = dpsoftrast.draw.in_array4f[1];
1002 for (i = 0;i < numvertices;i++)
1009 v = (const float *)((const unsigned char *)v + stride);
1012 else if (dpsoftrast.pointer_color4ub)
1014 stride = dpsoftrast.stride_color;
1015 b = (const unsigned char *)((const unsigned char *)dpsoftrast.pointer_color4ub + firstvertex * stride);
1016 p = dpsoftrast.draw.in_array4f[1];
1017 for (i = 0;i < numvertices;i++)
1019 p[0] = b[0] * (1.0f / 255.0f);
1020 p[1] = b[1] * (1.0f / 255.0f);
1021 p[2] = b[2] * (1.0f / 255.0f);
1022 p[3] = b[3] * (1.0f / 255.0f);
1024 b = (const unsigned char *)((const unsigned char *)b + stride);
1029 v = dpsoftrast.user.color;
1030 p = dpsoftrast.draw.in_array4f[1];
1031 for (i = 0;i < numvertices;i++)
1041 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL-2;j++)
1043 if (dpsoftrast.pointer_texcoordf[j])
1045 stride = dpsoftrast.stride_texcoord[j];
1046 v = (const float *)((const unsigned char *)dpsoftrast.pointer_texcoordf[j] + firstvertex * stride);
1047 p = dpsoftrast.draw.in_array4f[j+2];
1048 switch(dpsoftrast.components_texcoord[j])
1051 for (i = 0;i < numvertices;i++)
1058 v = (const float *)((const unsigned char *)v + stride);
1062 for (i = 0;i < numvertices;i++)
1069 v = (const float *)((const unsigned char *)v + stride);
1073 for (i = 0;i < numvertices;i++)
1080 v = (const float *)((const unsigned char *)v + stride);
1088 void DPSOFTRAST_Array_Transform(float *out4f, const float *in4f, int numitems, const float *inmatrix16f)
1090 static const float identitymatrix[4][4] = {{1,0,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1}};
1094 memcpy(matrix, inmatrix16f, sizeof(float[16]));
1095 if (!memcmp(identitymatrix, matrix, sizeof(float[16])))
1097 // fast case for identity matrix
1098 memcpy(out4f, in4f, numitems * sizeof(float[4]));
1101 for (i = 0;i < numitems;i++, out4f += 4, in4f += 4)
1103 out4f[0] = in4f[0] * matrix[0][0] + in4f[1] * matrix[1][0] + in4f[2] * matrix[2][0] + in4f[3] * matrix[3][0];
1104 out4f[1] = in4f[0] * matrix[0][1] + in4f[1] * matrix[1][1] + in4f[2] * matrix[2][1] + in4f[3] * matrix[3][1];
1105 out4f[2] = in4f[0] * matrix[0][2] + in4f[1] * matrix[1][2] + in4f[2] * matrix[2][2] + in4f[3] * matrix[3][2];
1106 out4f[3] = in4f[0] * matrix[0][3] + in4f[1] * matrix[1][3] + in4f[2] * matrix[2][3] + in4f[3] * matrix[3][3];
1110 void DPSOFTRAST_Array_Copy(float *out4f, const float *in4f, int numitems)
1112 memcpy(out4f, in4f, numitems * sizeof(float[4]));
1116 __m128 DPSOFTRAST_Draw_ProjectVertex(__m128 v)
1118 __m128 viewportcenter = _mm_load_ps(dpsoftrast.fb_viewportcenter), viewportscale = _mm_load_ps(dpsoftrast.fb_viewportscale);
1119 __m128 w = _mm_rcp_ss(_mm_shuffle_ps(v, v, _MM_SHUFFLE(2, 1, 0, 3)));
1120 v = _mm_add_ps(viewportcenter, _mm_mul_ps(_mm_mul_ps(viewportscale, w), _mm_shuffle_ps(w, w, _MM_SHUFFLE(0, 0, 0, 0))));
1121 v = _mm_move_ss(v, w);
1122 v = _mm_shuffle_ps(v, v, _MM_SHUFFLE(0, 3, 2, 1));
1127 void DPSOFTRAST_Draw_ProjectVertices(float *out4f, const float *in4f, int numitems)
1130 // NOTE: this is used both as a whole mesh transform function and a
1131 // per-triangle transform function (for clipped triangles), accordingly
1132 // it should not crash on divide by 0 but the result of divide by 0 is
1136 __m128 viewportcenter = _mm_load_ps(dpsoftrast.fb_viewportcenter), viewportscale = _mm_load_ps(dpsoftrast.fb_viewportscale);
1137 for (i = 0;i < numitems;i++)
1139 __m128 v = _mm_load_ps(in4f), w = _mm_rcp_ss(_mm_shuffle_ps(v, v, _MM_SHUFFLE(2, 1, 0, 3)));
1140 v = _mm_add_ps(viewportcenter, _mm_mul_ps(_mm_mul_ps(viewportscale, w), _mm_shuffle_ps(w, w, _MM_SHUFFLE(0, 0, 0, 0))));
1141 v = _mm_move_ss(v, w);
1142 _mm_store_ps(out4f, _mm_shuffle_ps(v, v, _MM_SHUFFLE(0, 3, 2, 1)));
1149 void DPSOFTRAST_Draw_DebugEdgePoints(const float *screen0, const float *screen1)
1154 int w = dpsoftrast.fb_width;
1157 unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
1159 bounds[0] = dpsoftrast.fb_viewportscissor[0];
1160 bounds[1] = dpsoftrast.fb_viewportscissor[1];
1161 bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
1162 bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
1167 for (i = 0;i <= 128;i++)
1170 //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
1172 x = (int)(v0[0] + (v1[0] - v0[0]) * (i/128.0f));
1173 y = (int)(v0[1] + (v1[1] - v0[1]) * (i/128.0f));
1174 if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
1176 //c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + element0*4;
1177 //pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
1178 pixels[y*w+x] = 0xFFFFFFFF;
1182 void DPSOFTRAST_Draw_Span_Begin(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *zf)
1185 int startx = span->startx;
1186 int endx = span->endx;
1187 float w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
1188 float wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
1189 float endz = 1.0f / (w + wslope * startx);
1190 for (x = startx;x < endx;)
1192 int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
1194 if(nextsub >= endx) nextsub = endsub = endx-1;
1195 endz = 1.0f / (w + wslope * nextsub);
1196 dz = x < nextsub ? (endz - z) / (nextsub - x) : 0.0f;
1197 for (; x <= endsub; x++, z += dz)
1202 void DPSOFTRAST_Draw_Span_Finish(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const float * RESTRICT in4f)
1205 int startx = span->startx;
1206 int endx = span->endx;
1209 unsigned char * RESTRICT pixelmask = span->pixelmask;
1210 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
1213 pixel += span->start * 4;
1214 // handle alphatest now (this affects depth writes too)
1215 if (dpsoftrast.user.alphatest)
1216 for (x = startx;x < endx;x++)
1217 if (in4f[x*4+3] < 0.5f)
1218 pixelmask[x] = false;
1219 // FIXME: this does not handle bigendian
1220 switch(dpsoftrast.fb_blendmode)
1222 case DPSOFTRAST_BLENDMODE_OPAQUE:
1223 for (x = startx;x < endx;x++)
1227 d[0] = (int)(in4f[x*4+2]*255.0f);if (d[0] > 255) d[0] = 255;
1228 d[1] = (int)(in4f[x*4+1]*255.0f);if (d[1] > 255) d[1] = 255;
1229 d[2] = (int)(in4f[x*4+0]*255.0f);if (d[2] > 255) d[2] = 255;
1230 d[3] = (int)(in4f[x*4+3]*255.0f);if (d[3] > 255) d[3] = 255;
1231 pixel[x*4+0] = d[0];
1232 pixel[x*4+1] = d[1];
1233 pixel[x*4+2] = d[2];
1234 pixel[x*4+3] = d[3];
1237 case DPSOFTRAST_BLENDMODE_ALPHA:
1238 for (x = startx;x < endx;x++)
1242 a = in4f[x*4+3] * 255.0f;
1243 b = 1.0f - in4f[x*4+3];
1244 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
1245 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
1246 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
1247 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
1248 pixel[x*4+0] = d[0];
1249 pixel[x*4+1] = d[1];
1250 pixel[x*4+2] = d[2];
1251 pixel[x*4+3] = d[3];
1254 case DPSOFTRAST_BLENDMODE_ADDALPHA:
1255 for (x = startx;x < endx;x++)
1259 a = in4f[x*4+3] * 255.0f;
1260 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1261 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1262 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1263 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1264 pixel[x*4+0] = d[0];
1265 pixel[x*4+1] = d[1];
1266 pixel[x*4+2] = d[2];
1267 pixel[x*4+3] = d[3];
1270 case DPSOFTRAST_BLENDMODE_ADD:
1271 for (x = startx;x < endx;x++)
1275 d[0] = (int)(in4f[x*4+2]*255.0f+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1276 d[1] = (int)(in4f[x*4+1]*255.0f+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1277 d[2] = (int)(in4f[x*4+0]*255.0f+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1278 d[3] = (int)(in4f[x*4+3]*255.0f+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1279 pixel[x*4+0] = d[0];
1280 pixel[x*4+1] = d[1];
1281 pixel[x*4+2] = d[2];
1282 pixel[x*4+3] = d[3];
1285 case DPSOFTRAST_BLENDMODE_INVMOD:
1286 for (x = startx;x < endx;x++)
1290 d[0] = (int)((1.0f-in4f[x*4+2])*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1291 d[1] = (int)((1.0f-in4f[x*4+1])*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1292 d[2] = (int)((1.0f-in4f[x*4+0])*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1293 d[3] = (int)((1.0f-in4f[x*4+3])*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1294 pixel[x*4+0] = d[0];
1295 pixel[x*4+1] = d[1];
1296 pixel[x*4+2] = d[2];
1297 pixel[x*4+3] = d[3];
1300 case DPSOFTRAST_BLENDMODE_MUL:
1301 for (x = startx;x < endx;x++)
1305 d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1306 d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1307 d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1308 d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1309 pixel[x*4+0] = d[0];
1310 pixel[x*4+1] = d[1];
1311 pixel[x*4+2] = d[2];
1312 pixel[x*4+3] = d[3];
1315 case DPSOFTRAST_BLENDMODE_MUL2:
1316 for (x = startx;x < endx;x++)
1320 d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]*2.0f);if (d[0] > 255) d[0] = 255;
1321 d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]*2.0f);if (d[1] > 255) d[1] = 255;
1322 d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]*2.0f);if (d[2] > 255) d[2] = 255;
1323 d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]*2.0f);if (d[3] > 255) d[3] = 255;
1324 pixel[x*4+0] = d[0];
1325 pixel[x*4+1] = d[1];
1326 pixel[x*4+2] = d[2];
1327 pixel[x*4+3] = d[3];
1330 case DPSOFTRAST_BLENDMODE_SUBALPHA:
1331 for (x = startx;x < endx;x++)
1335 a = in4f[x*4+3] * -255.0f;
1336 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;
1337 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;
1338 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;
1339 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;
1340 pixel[x*4+0] = d[0];
1341 pixel[x*4+1] = d[1];
1342 pixel[x*4+2] = d[2];
1343 pixel[x*4+3] = d[3];
1346 case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
1347 for (x = startx;x < endx;x++)
1352 b = 1.0f - in4f[x*4+3];
1353 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
1354 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
1355 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
1356 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
1357 pixel[x*4+0] = d[0];
1358 pixel[x*4+1] = d[1];
1359 pixel[x*4+2] = d[2];
1360 pixel[x*4+3] = d[3];
1366 void DPSOFTRAST_Draw_Span_FinishBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const unsigned char* RESTRICT in4ub)
1369 int startx = span->startx;
1370 int endx = span->endx;
1372 const unsigned int * RESTRICT ini = (const unsigned int *)in4ub;
1374 unsigned char * RESTRICT pixelmask = span->pixelmask;
1375 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
1376 unsigned int * RESTRICT pixeli = (unsigned int *)dpsoftrast.fb_colorpixels[0];
1379 pixel += span->start * 4;
1380 pixeli += span->start;
1381 // handle alphatest now (this affects depth writes too)
1382 if (dpsoftrast.user.alphatest)
1383 for (x = startx;x < endx;x++)
1384 if (in4ub[x*4+3] < 0.5f)
1385 pixelmask[x] = false;
1386 // FIXME: this does not handle bigendian
1387 switch(dpsoftrast.fb_blendmode)
1389 case DPSOFTRAST_BLENDMODE_OPAQUE:
1390 for (x = startx;x < endx;x++)
1394 case DPSOFTRAST_BLENDMODE_ALPHA:
1395 for (x = startx;x < endx;x++)
1400 b = 256 - in4ub[x*4+3];
1401 pixel[x*4+0] = (in4ub[x*4+0]*a+pixel[x*4+0]*b) >> 8;
1402 pixel[x*4+1] = (in4ub[x*4+1]*a+pixel[x*4+1]*b) >> 8;
1403 pixel[x*4+2] = (in4ub[x*4+2]*a+pixel[x*4+2]*b) >> 8;
1404 pixel[x*4+3] = (in4ub[x*4+3]*a+pixel[x*4+3]*b) >> 8;
1407 case DPSOFTRAST_BLENDMODE_ADDALPHA:
1408 for (x = startx;x < endx;x++)
1413 d[0] = (((in4ub[x*4+0]*a)>>8)+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1414 d[1] = (((in4ub[x*4+1]*a)>>8)+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1415 d[2] = (((in4ub[x*4+2]*a)>>8)+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1416 d[3] = (((in4ub[x*4+3]*a)>>8)+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1417 pixel[x*4+0] = d[0];
1418 pixel[x*4+1] = d[1];
1419 pixel[x*4+2] = d[2];
1420 pixel[x*4+3] = d[3];
1423 case DPSOFTRAST_BLENDMODE_ADD:
1424 for (x = startx;x < endx;x++)
1428 d[0] = (in4ub[x*4+0]+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1429 d[1] = (in4ub[x*4+1]+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1430 d[2] = (in4ub[x*4+2]+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1431 d[3] = (in4ub[x*4+3]+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1432 pixel[x*4+0] = d[0];
1433 pixel[x*4+1] = d[1];
1434 pixel[x*4+2] = d[2];
1435 pixel[x*4+3] = d[3];
1438 case DPSOFTRAST_BLENDMODE_INVMOD:
1439 for (x = startx;x < endx;x++)
1443 pixel[x*4+0] = ((255-in4ub[x*4+0])*pixel[x*4+0])>>8;
1444 pixel[x*4+1] = ((255-in4ub[x*4+1])*pixel[x*4+1])>>8;
1445 pixel[x*4+2] = ((255-in4ub[x*4+2])*pixel[x*4+2])>>8;
1446 pixel[x*4+3] = ((255-in4ub[x*4+3])*pixel[x*4+3])>>8;
1449 case DPSOFTRAST_BLENDMODE_MUL:
1450 for (x = startx;x < endx;x++)
1454 pixel[x*4+0] = (in4ub[x*4+0]*pixel[x*4+0])>>8;
1455 pixel[x*4+1] = (in4ub[x*4+1]*pixel[x*4+1])>>8;
1456 pixel[x*4+2] = (in4ub[x*4+2]*pixel[x*4+2])>>8;
1457 pixel[x*4+3] = (in4ub[x*4+3]*pixel[x*4+3])>>8;
1460 case DPSOFTRAST_BLENDMODE_MUL2:
1461 for (x = startx;x < endx;x++)
1465 d[0] = (in4ub[x*4+0]*pixel[x*4+0])>>7;if (d[0] > 255) d[0] = 255;
1466 d[1] = (in4ub[x*4+1]*pixel[x*4+1])>>7;if (d[1] > 255) d[1] = 255;
1467 d[2] = (in4ub[x*4+2]*pixel[x*4+2])>>7;if (d[2] > 255) d[2] = 255;
1468 d[3] = (in4ub[x*4+3]*pixel[x*4+3])>>7;if (d[3] > 255) d[3] = 255;
1469 pixel[x*4+0] = d[0];
1470 pixel[x*4+1] = d[1];
1471 pixel[x*4+2] = d[2];
1472 pixel[x*4+3] = d[3];
1475 case DPSOFTRAST_BLENDMODE_SUBALPHA:
1476 for (x = startx;x < endx;x++)
1481 d[0] = pixel[x*4+0]-((in4ub[x*4+0]*a)>>8);if (d[0] < 0) d[0] = 0;
1482 d[1] = pixel[x*4+1]-((in4ub[x*4+1]*a)>>8);if (d[1] < 0) d[1] = 0;
1483 d[2] = pixel[x*4+2]-((in4ub[x*4+2]*a)>>8);if (d[2] < 0) d[2] = 0;
1484 d[3] = pixel[x*4+3]-((in4ub[x*4+3]*a)>>8);if (d[3] < 0) d[3] = 0;
1485 pixel[x*4+0] = d[0];
1486 pixel[x*4+1] = d[1];
1487 pixel[x*4+2] = d[2];
1488 pixel[x*4+3] = d[3];
1491 case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
1492 for (x = startx;x < endx;x++)
1496 b = 255 - in4ub[x*4+3];
1497 d[0] = in4ub[x*4+0]+((pixel[x*4+0]*b)>>8);if (d[0] > 255) d[0] = 255;
1498 d[1] = in4ub[x*4+1]+((pixel[x*4+1]*b)>>8);if (d[1] > 255) d[1] = 255;
1499 d[2] = in4ub[x*4+2]+((pixel[x*4+2]*b)>>8);if (d[2] > 255) d[2] = 255;
1500 d[3] = in4ub[x*4+3]+((pixel[x*4+3]*b)>>8);if (d[3] > 255) d[3] = 255;
1501 pixel[x*4+0] = d[0];
1502 pixel[x*4+1] = d[1];
1503 pixel[x*4+2] = d[2];
1504 pixel[x*4+3] = d[3];
1510 void DPSOFTRAST_Draw_Span_Texture2DVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float * RESTRICT out4f, int texunitindex, int arrayindex, const float * RESTRICT zf)
1513 int startx = span->startx;
1514 int endx = span->endx;
1519 float tc[2], endtc[2];
1521 unsigned int tci[2];
1522 unsigned int tci1[2];
1523 unsigned int tcimin[2];
1524 unsigned int tcimax[2];
1529 const unsigned char * RESTRICT pixelbase;
1530 const unsigned char * RESTRICT pixel[4];
1531 DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
1532 // if no texture is bound, just fill it with white
1535 for (x = startx;x < endx;x++)
1537 out4f[x*4+0] = 1.0f;
1538 out4f[x*4+1] = 1.0f;
1539 out4f[x*4+2] = 1.0f;
1540 out4f[x*4+3] = 1.0f;
1544 mip = span->mip[texunitindex];
1545 pixelbase = (unsigned char *)texture->bytes + texture->mipmap[mip][0];
1546 // if this mipmap of the texture is 1 pixel, just fill it with that color
1547 if (texture->mipmap[mip][1] == 4)
1549 c[0] = texture->bytes[2] * (1.0f/255.0f);
1550 c[1] = texture->bytes[1] * (1.0f/255.0f);
1551 c[2] = texture->bytes[0] * (1.0f/255.0f);
1552 c[3] = texture->bytes[3] * (1.0f/255.0f);
1553 for (x = startx;x < endx;x++)
1555 out4f[x*4+0] = c[0];
1556 out4f[x*4+1] = c[1];
1557 out4f[x*4+2] = c[2];
1558 out4f[x*4+3] = c[3];
1562 filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
1563 data[0] = span->data[0][arrayindex][0];
1564 data[1] = span->data[0][arrayindex][1];
1565 data[2] = span->data[0][arrayindex][2];
1566 data[3] = span->data[0][arrayindex][3];
1567 slope[0] = span->data[1][arrayindex][0];
1568 slope[1] = span->data[1][arrayindex][1];
1569 slope[2] = span->data[1][arrayindex][2];
1570 slope[3] = span->data[1][arrayindex][3];
1571 flags = texture->flags;
1572 tcscale[0] = texture->mipmap[mip][2];
1573 tcscale[1] = texture->mipmap[mip][3];
1574 tciwidth = texture->mipmap[mip][2];
1577 tcimax[0] = texture->mipmap[mip][2]-1;
1578 tcimax[1] = texture->mipmap[mip][3]-1;
1579 tciwrapmask[0] = texture->mipmap[mip][2]-1;
1580 tciwrapmask[1] = texture->mipmap[mip][3]-1;
1581 endtc[0] = (data[0] + slope[0]*startx) * zf[startx] * tcscale[0] - 0.5f;
1582 endtc[1] = (data[1] + slope[1]*startx) * zf[startx] * tcscale[1] - 0.5f;
1583 for (x = startx;x < endx;)
1585 unsigned int subtc[2];
1586 unsigned int substep[2];
1587 float subscale = 65536.0f/DPSOFTRAST_MAXSUBSPAN;
1588 int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
1591 nextsub = endsub = endx-1;
1592 if(x < nextsub) subscale = 65536.0f / (nextsub - x);
1596 endtc[0] = (data[0] + slope[0]*nextsub) * zf[nextsub] * tcscale[0] - 0.5f;
1597 endtc[1] = (data[1] + slope[1]*nextsub) * zf[nextsub] * tcscale[1] - 0.5f;
1598 substep[0] = (endtc[0] - tc[0]) * subscale;
1599 substep[1] = (endtc[1] - tc[1]) * subscale;
1600 subtc[0] = tc[0] * (1<<16);
1601 subtc[1] = tc[1] * (1<<16);
1604 if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1606 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1608 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1609 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1610 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1611 tci[0] = subtc[0]>>16;
1612 tci[1] = subtc[1]>>16;
1613 tci1[0] = tci[0] + 1;
1614 tci1[1] = tci[1] + 1;
1615 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1616 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1617 tci1[0] = tci1[0] >= tcimin[0] ? (tci1[0] <= tcimax[0] ? tci1[0] : tcimax[0]) : tcimin[0];
1618 tci1[1] = tci1[1] >= tcimin[1] ? (tci1[1] <= tcimax[1] ? tci1[1] : tcimax[1]) : tcimin[1];
1619 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1620 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1621 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1622 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1623 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);
1624 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);
1625 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);
1626 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);
1627 out4f[x*4+0] = c[0];
1628 out4f[x*4+1] = c[1];
1629 out4f[x*4+2] = c[2];
1630 out4f[x*4+3] = c[3];
1635 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1637 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1638 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1639 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1640 tci[0] = subtc[0]>>16;
1641 tci[1] = subtc[1]>>16;
1642 tci1[0] = tci[0] + 1;
1643 tci1[1] = tci[1] + 1;
1644 tci[0] &= tciwrapmask[0];
1645 tci[1] &= tciwrapmask[1];
1646 tci1[0] &= tciwrapmask[0];
1647 tci1[1] &= tciwrapmask[1];
1648 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1649 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1650 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1651 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1652 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);
1653 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);
1654 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);
1655 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);
1656 out4f[x*4+0] = c[0];
1657 out4f[x*4+1] = c[1];
1658 out4f[x*4+2] = c[2];
1659 out4f[x*4+3] = c[3];
1663 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1665 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1667 tci[0] = subtc[0]>>16;
1668 tci[1] = subtc[1]>>16;
1669 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1670 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1671 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1672 c[0] = pixel[0][2] * (1.0f / 255.0f);
1673 c[1] = pixel[0][1] * (1.0f / 255.0f);
1674 c[2] = pixel[0][0] * (1.0f / 255.0f);
1675 c[3] = pixel[0][3] * (1.0f / 255.0f);
1676 out4f[x*4+0] = c[0];
1677 out4f[x*4+1] = c[1];
1678 out4f[x*4+2] = c[2];
1679 out4f[x*4+3] = c[3];
1684 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1686 tci[0] = subtc[0]>>16;
1687 tci[1] = subtc[1]>>16;
1688 tci[0] &= tciwrapmask[0];
1689 tci[1] &= tciwrapmask[1];
1690 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1691 c[0] = pixel[0][2] * (1.0f / 255.0f);
1692 c[1] = pixel[0][1] * (1.0f / 255.0f);
1693 c[2] = pixel[0][0] * (1.0f / 255.0f);
1694 c[3] = pixel[0][3] * (1.0f / 255.0f);
1695 out4f[x*4+0] = c[0];
1696 out4f[x*4+1] = c[1];
1697 out4f[x*4+2] = c[2];
1698 out4f[x*4+3] = c[3];
1704 void DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
1708 int startx = span->startx;
1709 int endx = span->endx;
1711 __m128 data, slope, tcscale;
1712 __m128i tcsize, tcmask, tcoffset, tcmax;
1714 __m128i subtc, substep, endsubtc;
1717 unsigned int *outi = (unsigned int *)out4ub;
1718 const unsigned char * RESTRICT pixelbase;
1719 DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
1720 // if no texture is bound, just fill it with white
1723 memset(out4ub + startx*4, 255, span->length*4);
1726 mip = span->mip[texunitindex];
1727 pixelbase = (const unsigned char *)texture->bytes + texture->mipmap[mip][0];
1728 // if this mipmap of the texture is 1 pixel, just fill it with that color
1729 if (texture->mipmap[mip][1] == 4)
1731 unsigned int k = *((const unsigned int *)pixelbase);
1732 for (x = startx;x < endx;x++)
1736 filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
1737 data = _mm_load_ps(span->data[0][arrayindex]);
1738 slope = _mm_load_ps(span->data[1][arrayindex]);
1739 flags = texture->flags;
1740 tcsize = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i *)&texture->mipmap[mip][0]), _MM_SHUFFLE(3, 2, 3, 2));
1741 tcmask = _mm_sub_epi32(tcsize, _mm_set1_epi32(1));
1742 tcscale = _mm_cvtepi32_ps(tcsize);
1743 data = _mm_mul_ps(_mm_shuffle_ps(data, data, _MM_SHUFFLE(1, 0, 1, 0)), tcscale);
1744 slope = _mm_mul_ps(_mm_shuffle_ps(slope, slope, _MM_SHUFFLE(1, 0, 1, 0)), tcscale);
1745 endtc = _mm_sub_ps(_mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx))), _mm_set1_ps(zf[startx])), _mm_set1_ps(0.5f));
1746 endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f)));
1747 tcoffset = _mm_add_epi32(_mm_slli_epi32(_mm_shuffle_epi32(tcsize, _MM_SHUFFLE(0, 0, 0, 0)), 18), _mm_set1_epi32(4));
1748 tcmax = filter ? _mm_packs_epi32(tcmask, tcmask) : _mm_slli_epi32(tcmask, 16);
1749 for (x = startx;x < endx;)
1751 int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
1752 __m128 subscale = _mm_set1_ps(65536.0f/DPSOFTRAST_MAXSUBSPAN);
1755 nextsub = endsub = endx-1;
1756 if(x < nextsub) subscale = _mm_set1_ps(65536.0f / (nextsub - x));
1760 endtc = _mm_sub_ps(_mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(nextsub))), _mm_set1_ps(zf[nextsub])), _mm_set1_ps(0.5f));
1761 substep = _mm_cvtps_epi32(_mm_mul_ps(_mm_sub_ps(endtc, tc), subscale));
1762 endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f)));
1765 __m128i tcrange = _mm_srai_epi32(_mm_unpacklo_epi64(subtc, _mm_add_epi32(endsubtc, substep)), 16);
1766 if (_mm_movemask_epi8(_mm_andnot_si128(_mm_cmplt_epi32(tcrange, _mm_setzero_si128()), _mm_cmplt_epi32(tcrange, tcmask))) == 0xFFFF)
1768 subtc = _mm_unpacklo_epi64(subtc, _mm_add_epi32(subtc, substep));
1769 substep = _mm_slli_epi32(substep, 1);
1770 for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
1772 __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;
1773 tci = _mm_madd_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 0x10000, 0, 0x10000)), tcoffset);
1774 pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_setzero_si128());
1775 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());
1776 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());
1777 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());
1778 fracm = _mm_srli_epi16(subtc, 1);
1779 pix1 = _mm_add_epi16(pix1,
1780 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1781 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1782 pix3 = _mm_add_epi16(pix3,
1783 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix3), 1),
1784 _mm_shuffle_epi32(_mm_shufflehi_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(3, 2, 3, 2))));
1785 pix2 = _mm_unpacklo_epi64(pix1, pix3);
1786 pix4 = _mm_unpackhi_epi64(pix1, pix3);
1787 pix2 = _mm_add_epi16(pix2,
1788 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix2), 1),
1789 _mm_shufflehi_epi16(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)), _MM_SHUFFLE(0, 0, 0, 0))));
1790 _mm_storel_epi64((__m128i *)&outi[x], _mm_packus_epi16(pix2, _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 2, 3, 2))));
1794 __m128i tci = _mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
1795 tci = _mm_madd_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 0x10000, 0, 0)), tcoffset);
1796 pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_setzero_si128());
1797 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());
1798 fracm = _mm_srli_epi16(subtc, 1);
1799 pix1 = _mm_add_epi16(pix1,
1800 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1801 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1802 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1803 pix1 = _mm_add_epi16(pix1,
1804 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1805 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1806 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1810 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1812 for (; x <= endsub; x++, subtc = _mm_add_epi32(subtc, substep))
1814 __m128i tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
1815 tci = _mm_min_epi16(_mm_max_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), _mm_setzero_si128()), tcmax);
1816 tci = _mm_madd_epi16(tci, tcoffset);
1817 pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
1818 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
1819 _mm_setzero_si128());
1820 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)))]),
1821 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
1822 _mm_setzero_si128());
1823 fracm = _mm_srli_epi16(subtc, 1);
1824 pix1 = _mm_add_epi16(pix1,
1825 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1826 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1827 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1828 pix1 = _mm_add_epi16(pix1,
1829 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1830 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1831 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1836 for (; x <= endsub; x++, subtc = _mm_add_epi32(subtc, substep))
1838 __m128i tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
1839 tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax);
1840 tci = _mm_madd_epi16(tci, tcoffset);
1841 pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
1842 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
1843 _mm_setzero_si128());
1844 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)))]),
1845 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
1846 _mm_setzero_si128());
1847 fracm = _mm_srli_epi16(subtc, 1);
1848 pix1 = _mm_add_epi16(pix1,
1849 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1850 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1851 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1852 pix1 = _mm_add_epi16(pix1,
1853 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1854 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1855 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1861 subtc = _mm_unpacklo_epi64(subtc, _mm_add_epi32(subtc, substep));
1862 substep = _mm_slli_epi32(substep, 1);
1863 if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1865 for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
1867 __m128i tci = _mm_min_epi16(_mm_max_epi16(subtc, _mm_setzero_si128()), tcmax);
1868 tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1));
1869 tci = _mm_madd_epi16(tci, tcoffset);
1870 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1871 outi[x+1] = *(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))];
1875 __m128i tci = _mm_min_epi16(_mm_max_epi16(subtc, _mm_setzero_si128()), tcmax);
1876 tci = _mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1));
1877 tci = _mm_madd_epi16(tci, tcoffset);
1878 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1884 for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
1886 __m128i tci = _mm_and_si128(subtc, tcmax);
1887 tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1));
1888 tci = _mm_madd_epi16(tci, tcoffset);
1889 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1890 outi[x+1] = *(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))];
1894 __m128i tci = _mm_and_si128(subtc, tcmax);
1895 tci = _mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1));
1896 tci = _mm_madd_epi16(tci, tcoffset);
1897 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1906 void DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
1909 memset(out4ub, 255, span->length*4);
1912 float DPSOFTRAST_SampleShadowmap(const float *vector)
1918 void DPSOFTRAST_Draw_Span_MultiplyVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, int arrayindex, const float *zf)
1921 int startx = span->startx;
1922 int endx = span->endx;
1927 data[0] = span->data[0][arrayindex][0];
1928 data[1] = span->data[0][arrayindex][1];
1929 data[2] = span->data[0][arrayindex][2];
1930 data[3] = span->data[0][arrayindex][3];
1931 slope[0] = span->data[1][arrayindex][0];
1932 slope[1] = span->data[1][arrayindex][1];
1933 slope[2] = span->data[1][arrayindex][2];
1934 slope[3] = span->data[1][arrayindex][3];
1935 for (x = startx;x < endx;x++)
1938 c[0] = (data[0] + slope[0]*x) * z;
1939 c[1] = (data[1] + slope[1]*x) * z;
1940 c[2] = (data[2] + slope[2]*x) * z;
1941 c[3] = (data[3] + slope[3]*x) * z;
1942 out4f[x*4+0] = in4f[x*4+0] * c[0];
1943 out4f[x*4+1] = in4f[x*4+1] * c[1];
1944 out4f[x*4+2] = in4f[x*4+2] * c[2];
1945 out4f[x*4+3] = in4f[x*4+3] * c[3];
1949 void DPSOFTRAST_Draw_Span_Varying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, int arrayindex, const float *zf)
1952 int startx = span->startx;
1953 int endx = span->endx;
1958 data[0] = span->data[0][arrayindex][0];
1959 data[1] = span->data[0][arrayindex][1];
1960 data[2] = span->data[0][arrayindex][2];
1961 data[3] = span->data[0][arrayindex][3];
1962 slope[0] = span->data[1][arrayindex][0];
1963 slope[1] = span->data[1][arrayindex][1];
1964 slope[2] = span->data[1][arrayindex][2];
1965 slope[3] = span->data[1][arrayindex][3];
1966 for (x = startx;x < endx;x++)
1969 c[0] = (data[0] + slope[0]*x) * z;
1970 c[1] = (data[1] + slope[1]*x) * z;
1971 c[2] = (data[2] + slope[2]*x) * z;
1972 c[3] = (data[3] + slope[3]*x) * z;
1973 out4f[x*4+0] = c[0];
1974 out4f[x*4+1] = c[1];
1975 out4f[x*4+2] = c[2];
1976 out4f[x*4+3] = c[3];
1980 void DPSOFTRAST_Draw_Span_AddBloom(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f, const float *subcolor)
1982 int x, startx = span->startx, endx = span->endx;
1983 float c[4], localcolor[4];
1984 localcolor[0] = subcolor[0];
1985 localcolor[1] = subcolor[1];
1986 localcolor[2] = subcolor[2];
1987 localcolor[3] = subcolor[3];
1988 for (x = startx;x < endx;x++)
1990 c[0] = inb4f[x*4+0] - localcolor[0];if (c[0] < 0.0f) c[0] = 0.0f;
1991 c[1] = inb4f[x*4+1] - localcolor[1];if (c[1] < 0.0f) c[1] = 0.0f;
1992 c[2] = inb4f[x*4+2] - localcolor[2];if (c[2] < 0.0f) c[2] = 0.0f;
1993 c[3] = inb4f[x*4+3] - localcolor[3];if (c[3] < 0.0f) c[3] = 0.0f;
1994 out4f[x*4+0] = ina4f[x*4+0] + c[0];
1995 out4f[x*4+1] = ina4f[x*4+1] + c[1];
1996 out4f[x*4+2] = ina4f[x*4+2] + c[2];
1997 out4f[x*4+3] = ina4f[x*4+3] + c[3];
2001 void DPSOFTRAST_Draw_Span_MultiplyBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2003 int x, startx = span->startx, endx = span->endx;
2004 for (x = startx;x < endx;x++)
2006 out4f[x*4+0] = ina4f[x*4+0] * inb4f[x*4+0];
2007 out4f[x*4+1] = ina4f[x*4+1] * inb4f[x*4+1];
2008 out4f[x*4+2] = ina4f[x*4+2] * inb4f[x*4+2];
2009 out4f[x*4+3] = ina4f[x*4+3] * inb4f[x*4+3];
2013 void DPSOFTRAST_Draw_Span_AddBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2015 int x, startx = span->startx, endx = span->endx;
2016 for (x = startx;x < endx;x++)
2018 out4f[x*4+0] = ina4f[x*4+0] + inb4f[x*4+0];
2019 out4f[x*4+1] = ina4f[x*4+1] + inb4f[x*4+1];
2020 out4f[x*4+2] = ina4f[x*4+2] + inb4f[x*4+2];
2021 out4f[x*4+3] = ina4f[x*4+3] + inb4f[x*4+3];
2025 void DPSOFTRAST_Draw_Span_MixBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2027 int x, startx = span->startx, endx = span->endx;
2029 for (x = startx;x < endx;x++)
2031 a = 1.0f - inb4f[x*4+3];
2033 out4f[x*4+0] = ina4f[x*4+0] * a + inb4f[x*4+0] * b;
2034 out4f[x*4+1] = ina4f[x*4+1] * a + inb4f[x*4+1] * b;
2035 out4f[x*4+2] = ina4f[x*4+2] * a + inb4f[x*4+2] * b;
2036 out4f[x*4+3] = ina4f[x*4+3] * a + inb4f[x*4+3] * b;
2040 void DPSOFTRAST_Draw_Span_MixUniformColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, const float *color)
2042 int x, startx = span->startx, endx = span->endx;
2043 float localcolor[4], ilerp, lerp;
2044 localcolor[0] = color[0];
2045 localcolor[1] = color[1];
2046 localcolor[2] = color[2];
2047 localcolor[3] = color[3];
2048 ilerp = 1.0f - localcolor[3];
2049 lerp = localcolor[3];
2050 for (x = startx;x < endx;x++)
2052 out4f[x*4+0] = in4f[x*4+0] * ilerp + localcolor[0] * lerp;
2053 out4f[x*4+1] = in4f[x*4+1] * ilerp + localcolor[1] * lerp;
2054 out4f[x*4+2] = in4f[x*4+2] * ilerp + localcolor[2] * lerp;
2055 out4f[x*4+3] = in4f[x*4+3] * ilerp + localcolor[3] * lerp;
2061 void DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, int arrayindex, const float *zf)
2064 int startx = span->startx;
2065 int endx = span->endx;
2069 data[2] = span->data[0][arrayindex][0];
2070 data[1] = span->data[0][arrayindex][1];
2071 data[0] = span->data[0][arrayindex][2];
2072 data[3] = span->data[0][arrayindex][3];
2073 slope[2] = span->data[1][arrayindex][0];
2074 slope[1] = span->data[1][arrayindex][1];
2075 slope[0] = span->data[1][arrayindex][2];
2076 slope[3] = span->data[1][arrayindex][3];
2077 for (x = startx;x < endx;x++)
2080 out4ub[x*4+0] = (int)(in4ub[x*4+0] * (data[0] + slope[0]*x) * z);
2081 out4ub[x*4+1] = (int)(in4ub[x*4+1] * (data[1] + slope[1]*x) * z);
2082 out4ub[x*4+2] = (int)(in4ub[x*4+2] * (data[2] + slope[2]*x) * z);
2083 out4ub[x*4+3] = (int)(in4ub[x*4+3] * (data[3] + slope[3]*x) * z);
2087 void DPSOFTRAST_Draw_Span_VaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, int arrayindex, const float *zf)
2090 int startx = span->startx;
2091 int endx = span->endx;
2095 data[2] = span->data[0][arrayindex][0]*255.0f;
2096 data[1] = span->data[0][arrayindex][1]*255.0f;
2097 data[0] = span->data[0][arrayindex][2]*255.0f;
2098 data[3] = span->data[0][arrayindex][3]*255.0f;
2099 slope[2] = span->data[1][arrayindex][0]*255.0f;
2100 slope[1] = span->data[1][arrayindex][1]*255.0f;
2101 slope[0] = span->data[1][arrayindex][2]*255.0f;
2102 slope[3] = span->data[1][arrayindex][3]*255.0f;
2103 for (x = startx;x < endx;x++)
2106 out4ub[x*4+0] = (int)((data[0] + slope[0]*x) * z);
2107 out4ub[x*4+1] = (int)((data[1] + slope[1]*x) * z);
2108 out4ub[x*4+2] = (int)((data[2] + slope[2]*x) * z);
2109 out4ub[x*4+3] = (int)((data[3] + slope[3]*x) * z);
2113 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)
2115 int x, startx = span->startx, endx = span->endx;
2116 int c[4], localcolor[4];
2117 localcolor[2] = (int)(subcolor[0] * 255.0f);
2118 localcolor[1] = (int)(subcolor[1] * 255.0f);
2119 localcolor[0] = (int)(subcolor[2] * 255.0f);
2120 localcolor[3] = (int)(subcolor[3] * 255.0f);
2121 for (x = startx;x < endx;x++)
2123 c[0] = inb4ub[x*4+0] - localcolor[0];if (c[0] < 0) c[0] = 0;
2124 c[1] = inb4ub[x*4+1] - localcolor[1];if (c[1] < 0) c[1] = 0;
2125 c[2] = inb4ub[x*4+2] - localcolor[2];if (c[2] < 0) c[2] = 0;
2126 c[3] = inb4ub[x*4+3] - localcolor[3];if (c[3] < 0) c[3] = 0;
2127 c[0] += ina4ub[x*4+0];if (c[0] > 255) c[0] = 255;
2128 c[1] += ina4ub[x*4+1];if (c[1] > 255) c[1] = 255;
2129 c[2] += ina4ub[x*4+2];if (c[2] > 255) c[2] = 255;
2130 c[3] += ina4ub[x*4+3];if (c[3] > 255) c[3] = 255;
2131 out4ub[x*4+0] = c[0];
2132 out4ub[x*4+1] = c[1];
2133 out4ub[x*4+2] = c[2];
2134 out4ub[x*4+3] = c[3];
2138 void DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2140 int x, startx = span->startx, endx = span->endx;
2141 for (x = startx;x < endx;x++)
2143 out4ub[x*4+0] = (ina4ub[x*4+0] * inb4ub[x*4+0])>>8;
2144 out4ub[x*4+1] = (ina4ub[x*4+1] * inb4ub[x*4+1])>>8;
2145 out4ub[x*4+2] = (ina4ub[x*4+2] * inb4ub[x*4+2])>>8;
2146 out4ub[x*4+3] = (ina4ub[x*4+3] * inb4ub[x*4+3])>>8;
2150 void DPSOFTRAST_Draw_Span_AddBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2152 int x, startx = span->startx, endx = span->endx;
2154 for (x = startx;x < endx;x++)
2156 d[0] = ina4ub[x*4+0] + inb4ub[x*4+0];if (d[0] > 255) d[0] = 255;
2157 d[1] = ina4ub[x*4+1] + inb4ub[x*4+1];if (d[1] > 255) d[1] = 255;
2158 d[2] = ina4ub[x*4+2] + inb4ub[x*4+2];if (d[2] > 255) d[2] = 255;
2159 d[3] = ina4ub[x*4+3] + inb4ub[x*4+3];if (d[3] > 255) d[3] = 255;
2160 out4ub[x*4+0] = d[0];
2161 out4ub[x*4+1] = d[1];
2162 out4ub[x*4+2] = d[2];
2163 out4ub[x*4+3] = d[3];
2167 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)
2169 int x, startx = span->startx, endx = span->endx;
2172 b[0] = (int)(inbtintbgra[0] * 256.0f);
2173 b[1] = (int)(inbtintbgra[1] * 256.0f);
2174 b[2] = (int)(inbtintbgra[2] * 256.0f);
2175 b[3] = (int)(inbtintbgra[3] * 256.0f);
2176 for (x = startx;x < endx;x++)
2178 d[0] = ina4ub[x*4+0] + ((inb4ub[x*4+0]*b[0])>>8);if (d[0] > 255) d[0] = 255;
2179 d[1] = ina4ub[x*4+1] + ((inb4ub[x*4+1]*b[1])>>8);if (d[1] > 255) d[1] = 255;
2180 d[2] = ina4ub[x*4+2] + ((inb4ub[x*4+2]*b[2])>>8);if (d[2] > 255) d[2] = 255;
2181 d[3] = ina4ub[x*4+3] + ((inb4ub[x*4+3]*b[3])>>8);if (d[3] > 255) d[3] = 255;
2182 out4ub[x*4+0] = d[0];
2183 out4ub[x*4+1] = d[1];
2184 out4ub[x*4+2] = d[2];
2185 out4ub[x*4+3] = d[3];
2189 void DPSOFTRAST_Draw_Span_MixBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2191 int x, startx = span->startx, endx = span->endx;
2193 for (x = startx;x < endx;x++)
2195 a = 256 - inb4ub[x*4+3];
2197 out4ub[x*4+0] = (ina4ub[x*4+0] * a + inb4ub[x*4+0] * b)>>8;
2198 out4ub[x*4+1] = (ina4ub[x*4+1] * a + inb4ub[x*4+1] * b)>>8;
2199 out4ub[x*4+2] = (ina4ub[x*4+2] * a + inb4ub[x*4+2] * b)>>8;
2200 out4ub[x*4+3] = (ina4ub[x*4+3] * a + inb4ub[x*4+3] * b)>>8;
2204 void DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, const float *color)
2206 int x, startx = span->startx, endx = span->endx;
2207 int localcolor[4], ilerp, lerp;
2208 localcolor[2] = (int)(color[0]*255.0f);
2209 localcolor[1] = (int)(color[1]*255.0f);
2210 localcolor[0] = (int)(color[2]*255.0f);
2211 localcolor[3] = (int)(color[3]*255.0f);
2212 ilerp = 256 - localcolor[3];
2213 lerp = localcolor[3];
2214 for (x = startx;x < endx;x++)
2216 out4ub[x*4+0] = (in4ub[x*4+0] * ilerp + localcolor[0] * lerp)>>8;
2217 out4ub[x*4+1] = (in4ub[x*4+1] * ilerp + localcolor[1] * lerp)>>8;
2218 out4ub[x*4+2] = (in4ub[x*4+2] * ilerp + localcolor[2] * lerp)>>8;
2219 out4ub[x*4+3] = (in4ub[x*4+3] * ilerp + localcolor[3] * lerp)>>8;
2225 void DPSOFTRAST_VertexShader_Generic(void)
2227 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);
2228 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
2229 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
2230 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2231 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
2234 void DPSOFTRAST_PixelShader_Generic(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2236 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2237 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2238 unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2239 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2240 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2241 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
2243 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_FIRST, 2, buffer_z);
2244 DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(span, buffer_FragColorbgra8, buffer_texture_colorbgra8, 1, buffer_z);
2245 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2247 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_SECOND, 2, buffer_z);
2248 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2251 DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2253 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2256 DPSOFTRAST_Draw_Span_AddBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2258 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
2261 DPSOFTRAST_Draw_Span_MixBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2266 DPSOFTRAST_Draw_Span_VaryingBGRA8(span, buffer_FragColorbgra8, 1, buffer_z);
2267 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2272 void DPSOFTRAST_VertexShader_PostProcess(void)
2274 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);
2275 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
2276 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
2279 void DPSOFTRAST_PixelShader_PostProcess(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2281 // TODO: optimize!! at the very least there is no reason to use texture sampling on the frame texture
2282 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2283 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2284 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2285 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2286 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_FragColorbgra8, GL20TU_FIRST, 2, buffer_z);
2287 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_BLOOM)
2289 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_SECOND, 3, buffer_z);
2290 DPSOFTRAST_Draw_Span_AddBloomBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_colorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_BloomColorSubtract * 4);
2292 DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_ViewTintColor * 4);
2293 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SATURATION)
2295 // TODO: implement saturation
2297 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GAMMARAMPS)
2299 // TODO: implement gammaramps
2301 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2306 void DPSOFTRAST_VertexShader_Depth_Or_Shadow(void)
2308 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);
2311 void DPSOFTRAST_PixelShader_Depth_Or_Shadow(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2313 // this is never called (because colormask is off when this shader is used)
2314 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2315 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2316 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2317 memset(buffer_FragColorbgra8, 0, span->length*4);
2318 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2323 void DPSOFTRAST_VertexShader_FlatColor(void)
2325 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);
2326 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);
2329 void DPSOFTRAST_PixelShader_FlatColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2331 int x, startx = span->startx, endx = span->endx;
2332 int Color_Ambienti[4];
2333 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2334 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2335 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2336 Color_Ambienti[2] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0]*256.0f);
2337 Color_Ambienti[1] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1]*256.0f);
2338 Color_Ambienti[0] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2]*256.0f);
2339 Color_Ambienti[3] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0] *256.0f);
2340 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2341 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
2342 for (x = startx;x < endx;x++)
2344 buffer_FragColorbgra8[x*4+0] = (buffer_texture_colorbgra8[x*4+0] * Color_Ambienti[0])>>8;
2345 buffer_FragColorbgra8[x*4+1] = (buffer_texture_colorbgra8[x*4+1] * Color_Ambienti[1])>>8;
2346 buffer_FragColorbgra8[x*4+2] = (buffer_texture_colorbgra8[x*4+2] * Color_Ambienti[2])>>8;
2347 buffer_FragColorbgra8[x*4+3] = (buffer_texture_colorbgra8[x*4+3] * Color_Ambienti[3])>>8;
2349 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2354 void DPSOFTRAST_VertexShader_VertexColor(void)
2356 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);
2357 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
2358 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);
2361 void DPSOFTRAST_PixelShader_VertexColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2363 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2364 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2365 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2366 int x, startx = span->startx, endx = span->endx;
2367 float Color_Ambient[4], Color_Diffuse[4];
2371 int arrayindex = DPSOFTRAST_ARRAY_COLOR;
2372 data[2] = span->data[0][arrayindex][0];
2373 data[1] = span->data[0][arrayindex][1];
2374 data[0] = span->data[0][arrayindex][2];
2375 data[3] = span->data[0][arrayindex][3];
2376 slope[2] = span->data[1][arrayindex][0];
2377 slope[1] = span->data[1][arrayindex][1];
2378 slope[0] = span->data[1][arrayindex][2];
2379 slope[3] = span->data[1][arrayindex][3];
2380 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2381 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2382 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2383 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2384 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2385 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2386 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2387 Color_Diffuse[3] = 0.0f;
2388 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2389 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
2390 for (x = startx;x < endx;x++)
2393 buffer_FragColorbgra8[x*4+0] = (int)(buffer_texture_colorbgra8[x*4+0] * (Color_Ambient[0] + ((data[0] + slope[0]*x) * z) * Color_Diffuse[0]));
2394 buffer_FragColorbgra8[x*4+1] = (int)(buffer_texture_colorbgra8[x*4+1] * (Color_Ambient[1] + ((data[1] + slope[1]*x) * z) * Color_Diffuse[1]));
2395 buffer_FragColorbgra8[x*4+2] = (int)(buffer_texture_colorbgra8[x*4+2] * (Color_Ambient[2] + ((data[2] + slope[2]*x) * z) * Color_Diffuse[2]));
2396 buffer_FragColorbgra8[x*4+3] = (int)(buffer_texture_colorbgra8[x*4+3] * (Color_Ambient[3] + ((data[3] + slope[3]*x) * z) * Color_Diffuse[3]));
2398 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2403 void DPSOFTRAST_VertexShader_Lightmap(void)
2405 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);
2406 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);
2407 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
2410 void DPSOFTRAST_PixelShader_Lightmap(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2413 unsigned char * RESTRICT pixelmask = span->pixelmask;
2414 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0] + span->start * 4;
2415 int x, startx = span->startx, endx = span->endx;
2416 __m128i Color_Ambientm, Color_Diffusem, Color_Glowm, Color_AmbientGlowm;
2417 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2418 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2419 unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2420 unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2421 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2422 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2423 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2424 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_LIGHTMAP, DPSOFTRAST_ARRAY_TEXCOORD4, buffer_z);
2425 if (dpsoftrast.user.alphatest || dpsoftrast.fb_blendmode != DPSOFTRAST_BLENDMODE_OPAQUE)
2426 pixel = buffer_FragColorbgra8;
2427 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));
2428 Color_Ambientm = _mm_and_si128(Color_Ambientm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2429 Color_Ambientm = _mm_or_si128(Color_Ambientm, _mm_setr_epi32(0, 0, 0, (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0]*255.0f)));
2430 Color_Ambientm = _mm_packs_epi32(Color_Ambientm, Color_Ambientm);
2431 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));
2432 Color_Diffusem = _mm_and_si128(Color_Diffusem, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2433 Color_Diffusem = _mm_packs_epi32(Color_Diffusem, Color_Diffusem);
2434 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2436 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2437 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));
2438 Color_Glowm = _mm_and_si128(Color_Glowm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2439 Color_Glowm = _mm_packs_epi32(Color_Glowm, Color_Glowm);
2440 Color_AmbientGlowm = _mm_unpacklo_epi64(Color_Ambientm, Color_Glowm);
2441 for (x = startx;x < endx;x++)
2443 __m128i color, lightmap, glow, pix;
2444 if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101)
2447 color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]);
2448 lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]);
2449 glow = _mm_loadu_si128((const __m128i *)&buffer_texture_glowbgra8[x*4]);
2450 pix = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2451 _mm_unpacklo_epi8(_mm_setzero_si128(), color)),
2452 _mm_mulhi_epu16(Color_Glowm, _mm_unpacklo_epi8(_mm_setzero_si128(), glow)));
2453 pix2 = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2454 _mm_unpackhi_epi8(_mm_setzero_si128(), color)),
2455 _mm_mulhi_epu16(Color_Glowm, _mm_unpackhi_epi8(_mm_setzero_si128(), glow)));
2456 _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2));
2462 color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4]));
2463 lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4]));
2464 glow = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_glowbgra8[x*4]));
2465 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, lightmap), Color_AmbientGlowm), _mm_unpacklo_epi64(color, glow));
2466 pix = _mm_add_epi16(pix, _mm_shuffle_epi32(pix, _MM_SHUFFLE(3, 2, 3, 2)));
2467 *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
2472 for (x = startx;x < endx;x++)
2474 __m128i color, lightmap, pix;
2475 if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101)
2478 color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]);
2479 lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]);
2480 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2481 _mm_unpacklo_epi8(_mm_setzero_si128(), color));
2482 pix2 = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2483 _mm_unpackhi_epi8(_mm_setzero_si128(), color));
2484 _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2));
2490 color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4]));
2491 lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4]));
2492 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(lightmap, Color_Diffusem), Color_Ambientm), color);
2493 *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
2496 if(pixel == buffer_FragColorbgra8)
2497 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2503 void DPSOFTRAST_VertexShader_FakeLight(void)
2505 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);
2508 void DPSOFTRAST_PixelShader_FakeLight(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2511 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2512 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2513 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2514 memset(buffer_FragColorbgra8, 0, span->length*4);
2515 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2520 void DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace(void)
2522 DPSOFTRAST_VertexShader_Lightmap();
2525 void DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2527 DPSOFTRAST_PixelShader_Lightmap(span);
2533 void DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace(void)
2535 DPSOFTRAST_VertexShader_Lightmap();
2538 void DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2540 DPSOFTRAST_PixelShader_Lightmap(span);
2546 void DPSOFTRAST_VertexShader_LightDirection(void)
2549 int numvertices = dpsoftrast.draw.numvertices;
2551 float LightVector[4];
2552 float EyePosition[4];
2553 float EyeVectorModelSpace[4];
2559 LightDir[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+0];
2560 LightDir[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+1];
2561 LightDir[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+2];
2562 LightDir[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+3];
2563 EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
2564 EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
2565 EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
2566 EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
2567 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);
2568 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);
2569 for (i = 0;i < numvertices;i++)
2571 position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
2572 position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
2573 position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
2574 svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
2575 svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
2576 svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
2577 tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
2578 tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
2579 tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
2580 normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
2581 normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
2582 normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
2583 LightVector[0] = svector[0] * LightDir[0] + svector[1] * LightDir[1] + svector[2] * LightDir[2];
2584 LightVector[1] = tvector[0] * LightDir[0] + tvector[1] * LightDir[1] + tvector[2] * LightDir[2];
2585 LightVector[2] = normal[0] * LightDir[0] + normal[1] * LightDir[1] + normal[2] * LightDir[2];
2586 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
2587 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
2588 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
2589 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
2590 EyeVectorModelSpace[0] = EyePosition[0] - position[0];
2591 EyeVectorModelSpace[1] = EyePosition[1] - position[1];
2592 EyeVectorModelSpace[2] = EyePosition[2] - position[2];
2593 EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
2594 EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
2595 EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
2596 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
2597 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
2598 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
2599 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
2603 #define DPSOFTRAST_Min(a,b) ((a) < (b) ? (a) : (b))
2604 #define DPSOFTRAST_Max(a,b) ((a) > (b) ? (a) : (b))
2605 #define DPSOFTRAST_Vector3Dot(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
2606 #define DPSOFTRAST_Vector3LengthSquared(v) (DPSOFTRAST_Vector3Dot((v),(v)))
2607 #define DPSOFTRAST_Vector3Length(v) (sqrt(DPSOFTRAST_Vector3LengthSquared(v)))
2608 #define DPSOFTRAST_Vector3Normalize(v)\
2611 float len = sqrt(DPSOFTRAST_Vector3Dot(v,v));\
2622 void DPSOFTRAST_PixelShader_LightDirection(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2624 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2625 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2626 unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2627 unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2628 unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2629 unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2630 unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2631 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2632 int x, startx = span->startx, endx = span->endx;
2633 float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
2634 float LightVectordata[4];
2635 float LightVectorslope[4];
2636 float EyeVectordata[4];
2637 float EyeVectorslope[4];
2639 float diffusetex[4];
2641 float surfacenormal[4];
2642 float lightnormal[4];
2644 float specularnormal[4];
2647 float SpecularPower;
2649 Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
2650 Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
2651 Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
2652 Color_Glow[3] = 0.0f;
2653 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2654 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2655 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2656 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2657 Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
2658 Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
2659 Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
2660 Color_Pants[3] = 0.0f;
2661 Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
2662 Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
2663 Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
2664 Color_Shirt[3] = 0.0f;
2665 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2666 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2667 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2669 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2670 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2672 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2674 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2676 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2678 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2679 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2680 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2681 Color_Diffuse[3] = 0.0f;
2682 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2683 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2684 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2685 LightColor[3] = 0.0f;
2686 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2687 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2688 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2689 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2690 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2691 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2692 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2693 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2694 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2695 Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
2696 Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
2697 Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
2698 Color_Specular[3] = 0.0f;
2699 SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
2700 EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2701 EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2702 EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2703 EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2704 EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2705 EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2706 EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2707 EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2708 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2709 for (x = startx;x < endx;x++)
2712 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2713 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2714 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2715 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2716 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2718 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
2719 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
2720 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
2721 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
2723 glosstex[0] = buffer_texture_glossbgra8[x*4+0];
2724 glosstex[1] = buffer_texture_glossbgra8[x*4+1];
2725 glosstex[2] = buffer_texture_glossbgra8[x*4+2];
2726 glosstex[3] = buffer_texture_glossbgra8[x*4+3];
2727 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
2728 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
2729 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
2730 DPSOFTRAST_Vector3Normalize(surfacenormal);
2732 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
2733 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
2734 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
2735 DPSOFTRAST_Vector3Normalize(lightnormal);
2737 eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
2738 eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
2739 eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
2740 DPSOFTRAST_Vector3Normalize(eyenormal);
2742 specularnormal[0] = lightnormal[0] + eyenormal[0];
2743 specularnormal[1] = lightnormal[1] + eyenormal[1];
2744 specularnormal[2] = lightnormal[2] + eyenormal[2];
2745 DPSOFTRAST_Vector3Normalize(specularnormal);
2747 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
2748 specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
2749 specular = pow(specular, SpecularPower * glosstex[3]);
2750 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2752 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;
2753 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;
2754 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;
2755 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2759 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;
2760 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;
2761 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;
2762 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2764 buffer_FragColorbgra8[x*4+0] = d[0];
2765 buffer_FragColorbgra8[x*4+1] = d[1];
2766 buffer_FragColorbgra8[x*4+2] = d[2];
2767 buffer_FragColorbgra8[x*4+3] = d[3];
2770 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
2772 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2773 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2774 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2775 Color_Diffuse[3] = 0.0f;
2776 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2777 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2778 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2779 LightColor[3] = 0.0f;
2780 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2781 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2782 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2783 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2784 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2785 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2786 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2787 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2788 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2789 for (x = startx;x < endx;x++)
2792 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2793 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2794 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2795 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2796 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
2797 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
2798 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
2799 DPSOFTRAST_Vector3Normalize(surfacenormal);
2801 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
2802 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
2803 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
2804 DPSOFTRAST_Vector3Normalize(lightnormal);
2806 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
2807 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2809 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;
2810 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;
2811 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;
2812 d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
2816 d[0] = (int)( + diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse * LightColor[0]));if (d[0] > 255) d[0] = 255;
2817 d[1] = (int)( + diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse * LightColor[1]));if (d[1] > 255) d[1] = 255;
2818 d[2] = (int)( + diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse * LightColor[2]));if (d[2] > 255) d[2] = 255;
2819 d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
2821 buffer_FragColorbgra8[x*4+0] = d[0];
2822 buffer_FragColorbgra8[x*4+1] = d[1];
2823 buffer_FragColorbgra8[x*4+2] = d[2];
2824 buffer_FragColorbgra8[x*4+3] = d[3];
2829 for (x = startx;x < endx;x++)
2832 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2833 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2834 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2835 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2837 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2839 d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
2840 d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
2841 d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
2842 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2846 d[0] = (int)( diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
2847 d[1] = (int)( diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
2848 d[2] = (int)( diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
2849 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2851 buffer_FragColorbgra8[x*4+0] = d[0];
2852 buffer_FragColorbgra8[x*4+1] = d[1];
2853 buffer_FragColorbgra8[x*4+2] = d[2];
2854 buffer_FragColorbgra8[x*4+3] = d[3];
2857 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2862 void DPSOFTRAST_VertexShader_LightSource(void)
2865 int numvertices = dpsoftrast.draw.numvertices;
2866 float LightPosition[4];
2867 float LightVector[4];
2868 float LightVectorModelSpace[4];
2869 float EyePosition[4];
2870 float EyeVectorModelSpace[4];
2876 LightPosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+0];
2877 LightPosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+1];
2878 LightPosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+2];
2879 LightPosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+3];
2880 EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
2881 EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
2882 EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
2883 EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
2884 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);
2885 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);
2886 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);
2887 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
2888 for (i = 0;i < numvertices;i++)
2890 position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
2891 position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
2892 position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
2893 svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
2894 svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
2895 svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
2896 tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
2897 tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
2898 tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
2899 normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
2900 normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
2901 normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
2902 LightVectorModelSpace[0] = LightPosition[0] - position[0];
2903 LightVectorModelSpace[1] = LightPosition[1] - position[1];
2904 LightVectorModelSpace[2] = LightPosition[2] - position[2];
2905 LightVector[0] = svector[0] * LightVectorModelSpace[0] + svector[1] * LightVectorModelSpace[1] + svector[2] * LightVectorModelSpace[2];
2906 LightVector[1] = tvector[0] * LightVectorModelSpace[0] + tvector[1] * LightVectorModelSpace[1] + tvector[2] * LightVectorModelSpace[2];
2907 LightVector[2] = normal[0] * LightVectorModelSpace[0] + normal[1] * LightVectorModelSpace[1] + normal[2] * LightVectorModelSpace[2];
2908 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
2909 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
2910 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
2911 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
2912 EyeVectorModelSpace[0] = EyePosition[0] - position[0];
2913 EyeVectorModelSpace[1] = EyePosition[1] - position[1];
2914 EyeVectorModelSpace[2] = EyePosition[2] - position[2];
2915 EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
2916 EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
2917 EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
2918 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
2919 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
2920 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
2921 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
2925 void DPSOFTRAST_PixelShader_LightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2927 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2928 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2929 unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2930 unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2931 unsigned char buffer_texture_cubebgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2932 unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2933 unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2934 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2935 int x, startx = span->startx, endx = span->endx;
2936 float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
2937 float CubeVectordata[4];
2938 float CubeVectorslope[4];
2939 float LightVectordata[4];
2940 float LightVectorslope[4];
2941 float EyeVectordata[4];
2942 float EyeVectorslope[4];
2944 float diffusetex[4];
2946 float surfacenormal[4];
2947 float lightnormal[4];
2949 float specularnormal[4];
2952 float SpecularPower;
2953 float CubeVector[4];
2956 Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
2957 Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
2958 Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
2959 Color_Glow[3] = 0.0f;
2960 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2961 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2962 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2963 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2964 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2965 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2966 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2967 Color_Diffuse[3] = 0.0f;
2968 Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
2969 Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
2970 Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
2971 Color_Specular[3] = 0.0f;
2972 Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
2973 Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
2974 Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
2975 Color_Pants[3] = 0.0f;
2976 Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
2977 Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
2978 Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
2979 Color_Shirt[3] = 0.0f;
2980 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2981 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2982 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2983 LightColor[3] = 0.0f;
2984 SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
2985 EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2986 EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2987 EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2988 EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2989 EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2990 EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2991 EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2992 EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2993 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2994 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2995 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2996 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2997 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2998 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2999 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
3000 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
3001 CubeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][0];
3002 CubeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][1];
3003 CubeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][2];
3004 CubeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][3];
3005 CubeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][0];
3006 CubeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][1];
3007 CubeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][2];
3008 CubeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][3];
3009 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3010 memset(buffer_FragColorbgra8 + startx*4, 0, (endx-startx)*4); // clear first, because we skip writing black pixels, and there are a LOT of them...
3011 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3012 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3014 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3015 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3017 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3018 DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(span, buffer_texture_cubebgra8, GL20TU_CUBE, DPSOFTRAST_ARRAY_TEXCOORD3, buffer_z);
3019 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
3021 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3022 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3023 for (x = startx;x < endx;x++)
3026 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3027 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3028 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3029 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3030 if (attenuation < 0.01f)
3032 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3034 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3035 if (attenuation < 0.01f)
3039 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3040 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3041 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3042 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3043 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3045 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3046 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3047 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3048 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3050 glosstex[0] = buffer_texture_glossbgra8[x*4+0];
3051 glosstex[1] = buffer_texture_glossbgra8[x*4+1];
3052 glosstex[2] = buffer_texture_glossbgra8[x*4+2];
3053 glosstex[3] = buffer_texture_glossbgra8[x*4+3];
3054 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
3055 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
3056 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
3057 DPSOFTRAST_Vector3Normalize(surfacenormal);
3059 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
3060 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
3061 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
3062 DPSOFTRAST_Vector3Normalize(lightnormal);
3064 eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
3065 eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
3066 eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
3067 DPSOFTRAST_Vector3Normalize(eyenormal);
3069 specularnormal[0] = lightnormal[0] + eyenormal[0];
3070 specularnormal[1] = lightnormal[1] + eyenormal[1];
3071 specularnormal[2] = lightnormal[2] + eyenormal[2];
3072 DPSOFTRAST_Vector3Normalize(specularnormal);
3074 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
3075 specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
3076 specular = pow(specular, SpecularPower * glosstex[3]);
3077 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3079 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3080 attenuation *= (1.0f / 255.0f);
3081 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;
3082 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;
3083 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;
3084 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3088 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;
3089 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;
3090 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;
3091 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3093 buffer_FragColorbgra8[x*4+0] = d[0];
3094 buffer_FragColorbgra8[x*4+1] = d[1];
3095 buffer_FragColorbgra8[x*4+2] = d[2];
3096 buffer_FragColorbgra8[x*4+3] = d[3];
3099 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
3101 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3102 for (x = startx;x < endx;x++)
3105 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3106 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3107 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3108 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3109 if (attenuation < 0.01f)
3111 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3113 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3114 if (attenuation < 0.01f)
3118 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3119 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3120 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3121 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3122 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3124 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3125 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3126 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3127 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3129 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
3130 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
3131 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
3132 DPSOFTRAST_Vector3Normalize(surfacenormal);
3134 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
3135 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
3136 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
3137 DPSOFTRAST_Vector3Normalize(lightnormal);
3139 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
3140 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3142 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3143 attenuation *= (1.0f / 255.0f);
3144 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;
3145 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;
3146 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;
3147 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3151 d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse)) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
3152 d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse)) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
3153 d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse)) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
3154 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3156 buffer_FragColorbgra8[x*4+0] = d[0];
3157 buffer_FragColorbgra8[x*4+1] = d[1];
3158 buffer_FragColorbgra8[x*4+2] = d[2];
3159 buffer_FragColorbgra8[x*4+3] = d[3];
3164 for (x = startx;x < endx;x++)
3167 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3168 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3169 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3170 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3171 if (attenuation < 0.01f)
3173 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3175 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3176 if (attenuation < 0.01f)
3180 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3181 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3182 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3183 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3184 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3186 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3187 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3188 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3189 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3191 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3193 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3194 attenuation *= (1.0f / 255.0f);
3195 d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255;
3196 d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255;
3197 d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255;
3198 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3202 d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
3203 d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
3204 d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
3205 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3207 buffer_FragColorbgra8[x*4+0] = d[0];
3208 buffer_FragColorbgra8[x*4+1] = d[1];
3209 buffer_FragColorbgra8[x*4+2] = d[2];
3210 buffer_FragColorbgra8[x*4+3] = d[3];
3213 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3218 void DPSOFTRAST_VertexShader_Refraction(void)
3220 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);
3223 void DPSOFTRAST_PixelShader_Refraction(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3226 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3227 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3228 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3229 memset(buffer_FragColorbgra8, 0, span->length*4);
3230 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3235 void DPSOFTRAST_VertexShader_Water(void)
3237 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);
3241 void DPSOFTRAST_PixelShader_Water(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3244 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3245 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3246 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3247 memset(buffer_FragColorbgra8, 0, span->length*4);
3248 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3253 void DPSOFTRAST_VertexShader_ShowDepth(void)
3255 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);
3258 void DPSOFTRAST_PixelShader_ShowDepth(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3261 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3262 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3263 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3264 memset(buffer_FragColorbgra8, 0, span->length*4);
3265 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3270 void DPSOFTRAST_VertexShader_DeferredGeometry(void)
3272 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);
3275 void DPSOFTRAST_PixelShader_DeferredGeometry(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3278 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3279 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3280 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3281 memset(buffer_FragColorbgra8, 0, span->length*4);
3282 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3287 void DPSOFTRAST_VertexShader_DeferredLightSource(void)
3289 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);
3292 void DPSOFTRAST_PixelShader_DeferredLightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3295 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3296 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3297 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3298 memset(buffer_FragColorbgra8, 0, span->length*4);
3299 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3304 typedef struct DPSOFTRAST_ShaderModeInfo_s
3307 void (*Vertex)(void);
3308 void (*Span)(const DPSOFTRAST_State_Draw_Span * RESTRICT span);
3310 DPSOFTRAST_ShaderModeInfo;
3312 DPSOFTRAST_ShaderModeInfo DPSOFTRAST_ShaderModeTable[SHADERMODE_COUNT] =
3314 {2, DPSOFTRAST_VertexShader_Generic, DPSOFTRAST_PixelShader_Generic, },
3315 {2, DPSOFTRAST_VertexShader_PostProcess, DPSOFTRAST_PixelShader_PostProcess, },
3316 {2, DPSOFTRAST_VertexShader_Depth_Or_Shadow, DPSOFTRAST_PixelShader_Depth_Or_Shadow, },
3317 {2, DPSOFTRAST_VertexShader_FlatColor, DPSOFTRAST_PixelShader_FlatColor, },
3318 {2, DPSOFTRAST_VertexShader_VertexColor, DPSOFTRAST_PixelShader_VertexColor, },
3319 {2, DPSOFTRAST_VertexShader_Lightmap, DPSOFTRAST_PixelShader_Lightmap, },
3320 {2, DPSOFTRAST_VertexShader_FakeLight, DPSOFTRAST_PixelShader_FakeLight, },
3321 {2, DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace, DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace, },
3322 {2, DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace, DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace},
3323 {2, DPSOFTRAST_VertexShader_LightDirection, DPSOFTRAST_PixelShader_LightDirection, },
3324 {2, DPSOFTRAST_VertexShader_LightSource, DPSOFTRAST_PixelShader_LightSource, },
3325 {2, DPSOFTRAST_VertexShader_Refraction, DPSOFTRAST_PixelShader_Refraction, },
3326 {2, DPSOFTRAST_VertexShader_Water, DPSOFTRAST_PixelShader_Water, },
3327 {2, DPSOFTRAST_VertexShader_ShowDepth, DPSOFTRAST_PixelShader_ShowDepth, },
3328 {2, DPSOFTRAST_VertexShader_DeferredGeometry, DPSOFTRAST_PixelShader_DeferredGeometry, },
3329 {2, DPSOFTRAST_VertexShader_DeferredLightSource, DPSOFTRAST_PixelShader_DeferredLightSource, }
3334 void DPSOFTRAST_Draw_ProcessSpans(void)
3340 int numspans = dpsoftrast.draw.numspans;
3342 // unsigned int *colorpixel;
3343 unsigned int *depthpixel;
3349 DPSOFTRAST_State_Draw_Span *span = dpsoftrast.draw.spanqueue;
3350 unsigned char pixelmask[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3351 for (i = 0;i < numspans;i++, span++)
3353 w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
3354 wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
3355 if (dpsoftrast.user.depthtest && dpsoftrast.fb_depthpixels)
3357 depthslope = (int)(wslope*DPSOFTRAST_DEPTHSCALE);
3358 depth = (int)(w*DPSOFTRAST_DEPTHSCALE - DPSOFTRAST_DEPTHOFFSET*(dpsoftrast.user.polygonoffset[1] + fabs(wslope)*dpsoftrast.user.polygonoffset[0]));
3359 depthpixel = dpsoftrast.fb_depthpixels + span->start;
3360 switch(dpsoftrast.fb_depthfunc)
3363 case GL_ALWAYS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = true; break;
3364 case GL_LESS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] < d; break;
3365 case GL_LEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] <= d; break;
3366 case GL_EQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] == d; break;
3367 case GL_GEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] >= d; break;
3368 case GL_GREATER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] > d; break;
3369 case GL_NEVER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = false; break;
3371 //colorpixel = dpsoftrast.fb_colorpixels[0] + span->start;
3372 //for (x = 0;x < span->length;x++)
3373 // colorpixel[x] = (depthpixel[x] & 0xFF000000) ? (0x00FF0000) : (depthpixel[x] & 0x00FF0000);
3374 // if there is no color buffer, skip pixel shader
3376 endx = span->length;
3377 while (startx < endx && !pixelmask[startx])
3379 while (endx > startx && !pixelmask[endx-1])
3382 continue; // no pixels to fill
3383 span->pixelmask = pixelmask;
3384 span->startx = startx;
3386 // run pixel shader if appropriate
3387 // do this before running depthmask code, to allow the pixelshader
3388 // to clear pixelmask values for alpha testing
3389 if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
3390 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
3391 if (dpsoftrast.user.depthmask)
3392 for (x = 0, d = depth;x < span->length;x++, d += depthslope)
3398 // no depth testing means we're just dealing with color...
3399 // if there is no color buffer, skip pixel shader
3400 if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
3402 memset(pixelmask, 1, span->length);
3403 span->pixelmask = pixelmask;
3405 span->endx = span->length;
3406 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
3412 void DPSOFTRAST_Draw_ProcessTriangles(int firstvertex, int numtriangles, const int *element3i, const unsigned short *element3s, unsigned char *arraymask)
3415 int cullface = dpsoftrast.user.cullface;
3416 int width = dpsoftrast.fb_width;
3417 int height = dpsoftrast.fb_height;
3432 unsigned char mip[DPSOFTRAST_MAXTEXTUREUNITS];
3433 __m128 triangleedge[2], triangleorigin, trianglenormal;
3434 __m128 mipedgescale;
3436 __m128 clipped[DPSOFTRAST_ARRAY_TOTAL][4];
3438 __m128 proj[DPSOFTRAST_ARRAY_TOTAL][4];
3439 DPSOFTRAST_Texture *texture;
3440 DPSOFTRAST_State_Draw_Span *span;
3441 DPSOFTRAST_State_Draw_Span *oldspan;
3442 for (i = 0;i < numtriangles;i++)
3444 // generate the 3 edges of this triangle
3445 // generate spans for the triangle - switch based on left split or right split classification of triangle
3448 e[0] = element3i[i*3+0] - firstvertex;
3449 e[1] = element3i[i*3+1] - firstvertex;
3450 e[2] = element3i[i*3+2] - firstvertex;
3454 e[0] = element3s[i*3+0] - firstvertex;
3455 e[1] = element3s[i*3+1] - firstvertex;
3456 e[2] = element3s[i*3+2] - firstvertex;
3464 triangleorigin = _mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4]);
3465 triangleedge[0] = _mm_sub_ps(_mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4]), triangleorigin);
3466 triangleedge[1] = _mm_sub_ps(_mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4]), triangleorigin);
3467 // store normal in 2, 0, 1 order instead of 0, 1, 2 as it requires fewer shuffles and leaves z component accessible as scalar
3468 trianglenormal = _mm_sub_ps(_mm_mul_ps(triangleedge[0], _mm_shuffle_ps(triangleedge[1], triangleedge[1], _MM_SHUFFLE(3, 0, 2, 1))),
3469 _mm_mul_ps(_mm_shuffle_ps(triangleedge[0], triangleedge[0], _MM_SHUFFLE(3, 0, 2, 1)), triangleedge[1]));
3471 trianglenormal[2] = triangleedge[0][0] * triangleedge[1][1] - triangleedge[0][1] * triangleedge[1][0];
3472 trianglenormal[0] = triangleedge[0][1] * triangleedge[1][2] - triangleedge[0][2] * triangleedge[1][1];
3473 trianglenormal[1] = triangleedge[0][2] * triangleedge[1][0] - triangleedge[0][0] * triangleedge[1][2];
3475 // apply current cullface mode (this culls many triangles)
3479 if (_mm_ucomilt_ss(trianglenormal, _mm_setzero_ps()))
3483 if (_mm_ucomigt_ss(trianglenormal, _mm_setzero_ps()))
3488 trianglearea2 = trianglenormal[0] * trianglenormal[0] + trianglenormal[1] * trianglenormal[1] + trianglenormal[2] * trianglenormal[2];
3489 // skip degenerate triangles, nothing good can come from them...
3490 if (trianglearea2 == 0.0f)
3494 // macros for clipping vertices
3495 #define CLIPPEDVERTEXLERP(k,p1,p2) { \
3496 __m128 frac = _mm_set1_ps(clipdist[p1] / (clipdist[p1] - clipdist[p2]));\
3497 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)\
3499 /*if (arraymask[j])*/\
3501 __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]); \
3502 clipped[j][k] = _mm_add_ps(v1, _mm_mul_ps(_mm_sub_ps(v2, v1), frac)); \
3505 screen[k] = DPSOFTRAST_Draw_ProjectVertex(clipped[DPSOFTRAST_ARRAY_POSITION][k]); \
3507 #define CLIPPEDVERTEXCOPY(k,p1) \
3508 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)\
3510 /*if (arraymask[j])*/\
3512 clipped[j][k] = _mm_load_ps(&dpsoftrast.draw.post_array4f[j][e[p1]*4]); \
3515 screen[k] = _mm_load_ps(&dpsoftrast.draw.screencoord4f[e[p1]*4]);
3517 // calculate distance from nearplane
3518 clipdist[0] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4+2] + 1.0f;
3519 clipdist[1] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4+2] + 1.0f;
3520 clipdist[2] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4+2] + 1.0f;
3521 if (clipdist[0] >= 0.0f)
3523 if (clipdist[1] >= 0.0f)
3525 CLIPPEDVERTEXCOPY(0,0);
3526 CLIPPEDVERTEXCOPY(1,1);
3527 if (clipdist[2] >= 0.0f)
3529 // triangle is entirely in front of nearplane
3530 CLIPPEDVERTEXCOPY(2,2);
3535 CLIPPEDVERTEXLERP(2,1,2);
3536 CLIPPEDVERTEXLERP(3,2,0);
3542 CLIPPEDVERTEXCOPY(0,0);
3543 CLIPPEDVERTEXLERP(1,0,1);
3544 if (clipdist[2] >= 0.0f)
3546 CLIPPEDVERTEXLERP(2,1,2);
3547 CLIPPEDVERTEXCOPY(3,2);
3552 CLIPPEDVERTEXLERP(2,2,0);
3557 else if (clipdist[1] >= 0.0f)
3559 CLIPPEDVERTEXLERP(0,0,1);
3560 CLIPPEDVERTEXCOPY(1,1);
3561 if (clipdist[2] >= 0.0f)
3563 CLIPPEDVERTEXCOPY(2,2);
3564 CLIPPEDVERTEXLERP(3,2,0);
3569 CLIPPEDVERTEXLERP(2,1,2);
3573 else if (clipdist[2] >= 0.0f)
3575 CLIPPEDVERTEXLERP(0,1,2);
3576 CLIPPEDVERTEXCOPY(1,2);
3577 CLIPPEDVERTEXLERP(2,2,0);
3580 else continue; // triangle is entirely behind nearpla
3582 // calculate integer y coords for triangle points
3583 __m128i screeni = _mm_packs_epi32(_mm_cvttps_epi32(_mm_shuffle_ps(screen[0], screen[1], _MM_SHUFFLE(1, 0, 1, 0))),
3584 _mm_cvttps_epi32(_mm_shuffle_ps(screen[2], screen[3], _MM_SHUFFLE(1, 0, 1, 0)))),
3585 screenir, screenmin, screenmax;
3586 if (numpoints <= 3) screeni = _mm_shuffle_epi32(screeni, _MM_SHUFFLE(2, 2, 1, 0));
3587 screenir = _mm_shuffle_epi32(screeni, _MM_SHUFFLE(1, 0, 3, 2)),
3588 screenmin = _mm_min_epi16(screeni, screenir);
3589 screenmax = _mm_max_epi16(screeni, screenir);
3590 screenmin = _mm_min_epi16(screenmin, _mm_shufflelo_epi16(screenmin, _MM_SHUFFLE(1, 0, 3, 2)));
3591 screenmax = _mm_max_epi16(screenmax, _mm_shufflelo_epi16(screenmax, _MM_SHUFFLE(1, 0, 3, 2)));
3592 screenmin = _mm_max_epi16(screenmin, _mm_setzero_si128());
3593 screenmax = _mm_min_epi16(screenmax, _mm_setr_epi16(width-1, height-1, 0, 0, 0, 0, 0, 0));
3594 // skip offscreen triangles
3595 if (_mm_cvtsi128_si32(_mm_cmplt_epi16(screenmax, screenmin)) == -1)
3597 starty = _mm_extract_epi16(screenmin, 1);
3598 endy = _mm_extract_epi16(screenmax, 1)+1;
3599 screeny = _mm_srai_epi32(screeni, 16);
3602 // okay, this triangle is going to produce spans, we'd better project
3603 // the interpolants now (this is what gives perspective texturing),
3604 // this consists of simply multiplying all arrays by the W coord
3605 // (which is basically 1/Z), which will be undone per-pixel
3606 // (multiplying by Z again) to get the perspective-correct array
3608 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3612 for (k = 0;k < numpoints;k++)
3614 proj[j][k] = _mm_mul_ps(clipped[j][k], _mm_shuffle_ps(screen[k], screen[k], _MM_SHUFFLE(3, 3, 3, 3)));
3618 // adjust texture LOD by texture density, in the simplest way possible...
3619 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)));
3620 mipedgescale = _mm_mul_ps(mipedgescale, mipedgescale);
3621 mipedgescale = _mm_rcp_ps(_mm_add_ps(mipedgescale, _mm_shuffle_ps(mipedgescale, mipedgescale, _MM_SHUFFLE(2, 3, 0, 1))));
3622 for (j = 0;j < DPSOFTRAST_MAXTEXTUREUNITS;j++)
3624 texture = dpsoftrast.texbound[j];
3628 if (texture->filter <= DPSOFTRAST_TEXTURE_FILTER_LINEAR)
3633 k = DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].lodarrayindex;
3634 mipedgetc = _mm_sub_ps(_mm_shuffle_ps(clipped[k][0], clipped[k][2], _MM_SHUFFLE(1, 0, 1, 0)),
3635 _mm_shuffle_ps(clipped[k][1], clipped[k][1], _MM_SHUFFLE(1, 0, 1, 0)));
3636 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))));
3637 mipedgetc = _mm_mul_ps(mipedgetc, mipedgetc);
3638 mipedgetc = _mm_add_ps(mipedgetc, _mm_shuffle_ps(mipedgetc, mipedgetc, _MM_SHUFFLE(2, 3, 0, 1)));
3639 mipedgetc = _mm_mul_ps(mipedgetc, mipedgescale);
3640 mipedgetc = _mm_min_ss(mipedgetc, _mm_shuffle_ps(mipedgetc, mipedgetc, _MM_SHUFFLE(2, 2, 2, 2)));
3641 // this will be multiplied in the texturing routine by the texture resolution
3642 y = _mm_cvttss_si32(mipedgetc);
3645 y = (int)(log(_mm_cvttss_si32(mipedgetc))/M_LN2);
3646 if (y > texture->mipmaps - 1)
3647 y = texture->mipmaps - 1;
3653 // iterate potential spans
3654 // TODO: optimize? if we figured out the edge order beforehand, this
3655 // could do loops over the edges in the proper order rather than
3656 // selecting them for each span
3657 // TODO: optimize? the edges could have data slopes calculated
3658 // TODO: optimize? the data slopes could be calculated as a plane
3659 // (2D slopes) to avoid any interpolation along edges at all
3660 for (y = starty+1;y < endy;)
3663 __m128 edge0lerp, edge1lerp, edge0scale, edge1scale;
3664 __m128i screenycc = _mm_cmpgt_epi32(_mm_set1_epi32(y), screeny);
3665 int screenymask = _mm_movemask_epi8(screenycc);
3671 case 0xFFFF: /*0000*/ y++; continue;
3672 case 0xFFF0: /*1000*/ edge0p = 3;edge0n = 0;edge1p = 1;edge1n = 0;break;
3673 case 0xFF0F: /*0100*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 1;break;
3674 case 0xFF00: /*1100*/ edge0p = 3;edge0n = 0;edge1p = 2;edge1n = 1;break;
3675 case 0xF0FF: /*0010*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 2;break;
3676 case 0xF0F0: /*1010*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 2;break; // concave - nonsense
3677 case 0xF00F: /*0110*/ edge0p = 0;edge0n = 1;edge1p = 3;edge1n = 2;break;
3678 case 0xF000: /*1110*/ edge0p = 3;edge0n = 0;edge1p = 3;edge1n = 2;break;
3679 case 0x0FFF: /*0001*/ edge0p = 2;edge0n = 3;edge1p = 0;edge1n = 3;break;
3680 case 0x0FF0: /*1001*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 0;break;
3681 case 0x0F0F: /*0101*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 2;break; // concave - nonsense
3682 case 0x0F00: /*1101*/ edge0p = 2;edge0n = 3;edge1p = 2;edge1n = 1;break;
3683 case 0x00FF: /*0011*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 3;break;
3684 case 0x00F0: /*1011*/ edge0p = 1;edge0n = 2;edge1p = 1;edge1n = 0;break;
3685 case 0x000F: /*0111*/ edge0p = 0;edge0n = 1;edge1p = 0;edge1n = 3;break;
3686 case 0x0000: /*1111*/ y++; continue;
3694 case 0xFFFF: /*000*/ y++; continue;
3695 case 0xFFF0: /*100*/ edge0p = 2;edge0n = 0;edge1p = 1;edge1n = 0;break;
3696 case 0xFF0F: /*010*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 1;break;
3697 case 0xFF00: /*110*/ edge0p = 2;edge0n = 0;edge1p = 2;edge1n = 1;break;
3698 case 0x00FF: /*001*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 2;break;
3699 case 0x00F0: /*101*/ edge0p = 1;edge0n = 2;edge1p = 1;edge1n = 0;break;
3700 case 0x000F: /*011*/ edge0p = 0;edge0n = 1;edge1p = 0;edge1n = 2;break;
3701 case 0x0000: /*111*/ y++; continue;
3704 screenycc = _mm_max_epi16(_mm_srli_epi16(screenycc, 1), screeny);
3705 screenycc = _mm_min_epi16(screenycc, _mm_shuffle_epi32(screenycc, _MM_SHUFFLE(1, 0, 3, 2)));
3706 screenycc = _mm_min_epi16(screenycc, _mm_shuffle_epi32(screenycc, _MM_SHUFFLE(2, 3, 0, 1)));
3707 nexty = _mm_extract_epi16(screenycc, 0);
3708 if(nexty >= endy) nexty = endy-1;
3709 if (_mm_ucomigt_ss(_mm_max_ps(screen[edge0n], screen[edge0p]), _mm_min_ps(screen[edge1n], screen[edge1p])))
3718 edge0lerp = _mm_shuffle_ps(screen[edge0p], screen[edge0p], _MM_SHUFFLE(1, 1, 1, 1));
3719 edge0scale = _mm_rcp_ss(_mm_sub_ss(_mm_shuffle_ps(screen[edge0n], screen[edge0n], _MM_SHUFFLE(1, 1, 1, 1)), edge0lerp));
3720 edge0scale = _mm_shuffle_ps(edge0scale, edge0scale, _MM_SHUFFLE(0, 0, 0, 0));
3721 edge0lerp = _mm_mul_ps(_mm_sub_ps(_mm_set1_ps(y), edge0lerp), edge0scale);
3722 edge1lerp = _mm_shuffle_ps(screen[edge1p], screen[edge1p], _MM_SHUFFLE(1, 1, 1, 1));
3723 edge1scale = _mm_rcp_ss(_mm_sub_ss(_mm_shuffle_ps(screen[edge1n], screen[edge1n], _MM_SHUFFLE(1, 1, 1, 1)), edge1lerp));
3724 edge1scale = _mm_shuffle_ps(edge1scale, edge1scale, _MM_SHUFFLE(0, 0, 0, 0));
3725 edge1lerp = _mm_mul_ps(_mm_sub_ps(_mm_set1_ps(y), edge1lerp), edge1scale);
3726 for(; y <= nexty; y++, edge0lerp = _mm_add_ps(edge0lerp, edge0scale), edge1lerp = _mm_add_ps(edge1lerp, edge1scale))
3728 __m128 data0, data1, spanilength, startxlerp;
3730 if (_mm_ucomilt_ss(edge0lerp, _mm_setzero_ps()) || _mm_ucomilt_ss(edge1lerp, _mm_setzero_ps()) ||
3731 _mm_ucomigt_ss(edge0lerp, _mm_set1_ps(1)) || _mm_ucomigt_ss(edge1lerp, _mm_set1_ps(1)))
3734 data0 = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(screen[edge0n], screen[edge0p]), edge0lerp), screen[edge0p]);
3735 data1 = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(screen[edge1n], screen[edge1p]), edge1lerp), screen[edge1p]);
3736 startx = _mm_cvtss_si32(_mm_add_ss(data0, _mm_set1_ps(0.5f)));
3737 endx = _mm_cvtss_si32(_mm_add_ss(data1, _mm_set1_ps(0.5f)));
3738 if (startx < 0) startx = 0;
3739 if (endx > width) endx = width;
3740 if (startx >= endx) continue;
3742 _mm_store_ss(&startxf, data0);
3743 _mm_store_ss(&endxf, data1);
3744 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); }
3746 spanilength = _mm_rcp_ss(_mm_sub_ss(data1, data0));
3747 spanilength = _mm_shuffle_ps(spanilength, spanilength, _MM_SHUFFLE(0, 0, 0, 0));
3748 startxlerp = _mm_sub_ps(_mm_set1_ps(startx), _mm_shuffle_ps(data0, data0, _MM_SHUFFLE(0, 0, 0, 0)));
3749 span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
3750 memcpy(span->mip, mip, sizeof(span->mip));
3751 span->start = y * width + startx;
3752 span->length = endx - startx;
3753 j = DPSOFTRAST_ARRAY_TOTAL;
3754 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilength);
3755 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerp));
3756 _mm_store_ps(span->data[0][j], data0);
3757 _mm_store_ps(span->data[1][j], data1);
3758 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3762 data0 = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(proj[j][edge0n], proj[j][edge0p]), edge0lerp), proj[j][edge0p]);
3763 data1 = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(proj[j][edge1n], proj[j][edge1p]), edge1lerp), proj[j][edge1p]);
3764 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilength);
3765 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerp));
3766 _mm_store_ps(span->data[0][j], data0);
3767 _mm_store_ps(span->data[1][j], data1);
3770 // to keep the shader routines from needing more than a small
3771 // buffer for pixel intermediate data, we split long spans...
3772 while (span->length > DPSOFTRAST_DRAW_MAXSPANLENGTH)
3774 span->length = DPSOFTRAST_DRAW_MAXSPANLENGTH;
3775 if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
3777 DPSOFTRAST_Draw_ProcessSpans();
3778 dpsoftrast.draw.numspans = 0;
3781 span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
3783 startx += DPSOFTRAST_DRAW_MAXSPANLENGTH;
3784 span->start = y * width + startx;
3785 span->length = endx - startx;
3786 j = DPSOFTRAST_ARRAY_TOTAL;
3787 _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))));
3788 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3792 _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))));
3796 // after all that, we have a span suitable for the pixel shader...
3797 if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
3799 DPSOFTRAST_Draw_ProcessSpans();
3800 dpsoftrast.draw.numspans = 0;
3804 // draw outlines over triangle for debugging
3805 // for (j = 0, k = numpoints-1;j < numpoints;k = j, j++)
3806 // DPSOFTRAST_Draw_DebugEdgePoints(screen[k], screen[j]);
3808 if (dpsoftrast.draw.numspans)
3810 DPSOFTRAST_Draw_ProcessSpans();
3811 dpsoftrast.draw.numspans = 0;
3816 void DPSOFTRAST_Draw_DebugPoints(void)
3821 int numvertices = dpsoftrast.draw.numvertices;
3822 int w = dpsoftrast.fb_width;
3824 unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
3826 bounds[0] = dpsoftrast.fb_viewportscissor[0];
3827 bounds[1] = dpsoftrast.fb_viewportscissor[1];
3828 bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
3829 bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
3830 for (i = 0;i < numvertices;i++)
3833 //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
3835 x = (int)(dpsoftrast.draw.screencoord4f[i*4+0]);
3836 y = (int)(dpsoftrast.draw.screencoord4f[i*4+1]);
3837 //x = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 0.5f);
3838 //y = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 0.5f);
3839 //x = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 1.0f) * dpsoftrast.fb_width * 0.5f + 0.5f);
3840 //y = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 1.0f) * dpsoftrast.fb_height * 0.5f + 0.5f);
3841 if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
3843 c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + i*4;
3844 pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
3848 void DPSOFTRAST_DrawTriangles(int firstvertex, int numvertices, int numtriangles, const int *element3i, const unsigned short *element3s)
3850 unsigned char arraymask[DPSOFTRAST_ARRAY_TOTAL];
3851 arraymask[0] = true;
3852 arraymask[1] = dpsoftrast.fb_colorpixels[0] != NULL; // TODO: optimize (decide based on shadermode)
3853 arraymask[2] = dpsoftrast.pointer_texcoordf[0] != NULL;
3854 arraymask[3] = dpsoftrast.pointer_texcoordf[1] != NULL;
3855 arraymask[4] = dpsoftrast.pointer_texcoordf[2] != NULL;
3856 arraymask[5] = dpsoftrast.pointer_texcoordf[3] != NULL;
3857 arraymask[6] = dpsoftrast.pointer_texcoordf[4] != NULL;
3858 arraymask[7] = dpsoftrast.pointer_texcoordf[5] != NULL;
3859 arraymask[8] = dpsoftrast.pointer_texcoordf[6] != NULL;
3860 arraymask[9] = dpsoftrast.pointer_texcoordf[7] != NULL;
3861 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_DRAW);
3862 DPSOFTRAST_Draw_LoadVertices(firstvertex, numvertices, true);
3863 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Vertex();
3864 DPSOFTRAST_Draw_ProjectVertices(dpsoftrast.draw.screencoord4f, dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], numvertices);
3865 DPSOFTRAST_Draw_ProcessTriangles(firstvertex, numtriangles, element3i, element3s, arraymask);
3868 void DPSOFTRAST_Init(int width, int height, unsigned int *colorpixels, unsigned int *depthpixels)
3877 memset(&dpsoftrast, 0, sizeof(dpsoftrast));
3878 dpsoftrast.bigendian = u.b[3];
3879 dpsoftrast.fb_width = width;
3880 dpsoftrast.fb_height = height;
3881 dpsoftrast.fb_depthpixels = depthpixels;
3882 dpsoftrast.fb_colorpixels[0] = colorpixels;
3883 dpsoftrast.fb_colorpixels[1] = NULL;
3884 dpsoftrast.fb_colorpixels[1] = NULL;
3885 dpsoftrast.fb_colorpixels[1] = NULL;
3886 dpsoftrast.texture_firstfree = 1;
3887 dpsoftrast.texture_end = 1;
3888 dpsoftrast.texture_max = 0;
3889 dpsoftrast.user.colormask[0] = 1;
3890 dpsoftrast.user.colormask[1] = 1;
3891 dpsoftrast.user.colormask[2] = 1;
3892 dpsoftrast.user.colormask[3] = 1;
3893 dpsoftrast.user.blendfunc[0] = GL_ONE;
3894 dpsoftrast.user.blendfunc[1] = GL_ZERO;
3895 dpsoftrast.user.depthmask = true;
3896 dpsoftrast.user.depthtest = true;
3897 dpsoftrast.user.depthfunc = GL_LEQUAL;
3898 dpsoftrast.user.scissortest = false;
3899 dpsoftrast.user.cullface = GL_BACK;
3900 dpsoftrast.user.alphatest = false;
3901 dpsoftrast.user.alphafunc = GL_GREATER;
3902 dpsoftrast.user.alphavalue = 0.5f;
3903 dpsoftrast.user.scissor[0] = 0;
3904 dpsoftrast.user.scissor[1] = 0;
3905 dpsoftrast.user.scissor[2] = dpsoftrast.fb_width;
3906 dpsoftrast.user.scissor[3] = dpsoftrast.fb_height;
3907 dpsoftrast.user.viewport[0] = 0;
3908 dpsoftrast.user.viewport[1] = 0;
3909 dpsoftrast.user.viewport[2] = dpsoftrast.fb_width;
3910 dpsoftrast.user.viewport[3] = dpsoftrast.fb_height;
3911 dpsoftrast.user.depthrange[0] = 0;
3912 dpsoftrast.user.depthrange[1] = 1;
3913 dpsoftrast.user.polygonoffset[0] = 0;
3914 dpsoftrast.user.polygonoffset[1] = 0;
3915 dpsoftrast.user.color[0] = 1;
3916 dpsoftrast.user.color[1] = 1;
3917 dpsoftrast.user.color[2] = 1;
3918 dpsoftrast.user.color[3] = 1;
3919 dpsoftrast.validate = -1;
3920 DPSOFTRAST_Validate(-1);
3921 dpsoftrast.validate = 0;
3924 void DPSOFTRAST_Shutdown(void)
3927 for (i = 0;i < dpsoftrast.texture_end;i++)
3928 if (dpsoftrast.texture[i].bytes)
3929 MM_FREE(dpsoftrast.texture[i].bytes);
3930 if (dpsoftrast.texture)
3931 free(dpsoftrast.texture);
3932 memset(&dpsoftrast, 0, sizeof(dpsoftrast));