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_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))
209 #define DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d) ((int)(DPSOFTRAST_DEPTHSCALE * (1-d)))
210 #define DPSOFTRAST_DRAW_MAXSPANLENGTH 256
212 void DPSOFTRAST_RecalcFB(void)
214 // calculate framebuffer scissor, viewport, viewport clipped by scissor,
215 // and viewport projection values
216 int x1, x2, x3, x4, x5, x6;
217 int y1, y2, y3, y4, y5, y6;
218 x1 = dpsoftrast.user.scissor[0];
219 x2 = dpsoftrast.user.scissor[0] + dpsoftrast.user.scissor[2];
220 x3 = dpsoftrast.user.viewport[0];
221 x4 = dpsoftrast.user.viewport[0] + dpsoftrast.user.viewport[2];
222 y1 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1] - dpsoftrast.user.scissor[3];
223 y2 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1];
224 y3 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - dpsoftrast.user.viewport[3];
225 y4 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1];
226 if (!dpsoftrast.user.scissortest) {x1 = 0;y1 = 0;x2 = dpsoftrast.fb_width;y2 = dpsoftrast.fb_height;}
228 if (x2 > dpsoftrast.fb_width) x2 = dpsoftrast.fb_width;
230 if (x4 > dpsoftrast.fb_width) x4 = dpsoftrast.fb_width;
232 if (y2 > dpsoftrast.fb_height) y2 = dpsoftrast.fb_height;
234 if (y4 > dpsoftrast.fb_height) y4 = dpsoftrast.fb_height;
235 x5 = x1;if (x5 < x3) x5 = x3;
236 x6 = x2;if (x6 > x4) x4 = x4;
237 y5 = y1;if (y5 < y3) y5 = y3;
238 y6 = y2;if (y6 > y4) y6 = y4;
239 dpsoftrast.fb_clearscissor[0] = x1;
240 dpsoftrast.fb_clearscissor[1] = y1;
241 dpsoftrast.fb_clearscissor[2] = x2 - x1;
242 dpsoftrast.fb_clearscissor[3] = y2 - y1;
243 dpsoftrast.fb_viewport[0] = x3;
244 dpsoftrast.fb_viewport[1] = y3;
245 dpsoftrast.fb_viewport[2] = x4 - x3;
246 dpsoftrast.fb_viewport[3] = y4 - y3;
247 dpsoftrast.fb_viewportscissor[0] = x5;
248 dpsoftrast.fb_viewportscissor[1] = y5;
249 dpsoftrast.fb_viewportscissor[2] = x6 - x5;
250 dpsoftrast.fb_viewportscissor[3] = y6 - y5;
251 dpsoftrast.fb_viewportcenter[1] = dpsoftrast.user.viewport[0] + 0.5f * dpsoftrast.user.viewport[2] - 0.5f;
252 dpsoftrast.fb_viewportcenter[2] = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - 0.5f * dpsoftrast.user.viewport[3] - 0.5f;
253 dpsoftrast.fb_viewportcenter[3] = 0.5f;
254 dpsoftrast.fb_viewportcenter[0] = 0.0f;
255 dpsoftrast.fb_viewportscale[1] = 0.5f * dpsoftrast.user.viewport[2];
256 dpsoftrast.fb_viewportscale[2] = -0.5f * dpsoftrast.user.viewport[3];
257 dpsoftrast.fb_viewportscale[3] = 0.5f;
258 dpsoftrast.fb_viewportscale[0] = 0.0f;
261 void DPSOFTRAST_RecalcDepthFunc(void)
263 dpsoftrast.fb_depthfunc = dpsoftrast.user.depthtest ? dpsoftrast.user.depthfunc : GL_ALWAYS;
266 int blendmodetable[][4] =
268 {DPSOFTRAST_BLENDMODE_OPAQUE, GL_ONE, GL_ZERO, false},
269 {DPSOFTRAST_BLENDMODE_ALPHA, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, false},
270 {DPSOFTRAST_BLENDMODE_ADDALPHA, GL_SRC_ALPHA, GL_ONE, false},
271 {DPSOFTRAST_BLENDMODE_ADD, GL_ONE, GL_ONE, false},
272 {DPSOFTRAST_BLENDMODE_INVMOD, GL_ZERO, GL_ONE_MINUS_SRC_COLOR, false},
273 {DPSOFTRAST_BLENDMODE_MUL, GL_ZERO, GL_SRC_COLOR, false},
274 {DPSOFTRAST_BLENDMODE_MUL, GL_DST_COLOR, GL_ZERO, false},
275 {DPSOFTRAST_BLENDMODE_MUL2, GL_DST_COLOR, GL_SRC_COLOR, false},
276 {DPSOFTRAST_BLENDMODE_PSEUDOALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA, false},
277 {DPSOFTRAST_BLENDMODE_SUBALPHA, GL_SRC_COLOR, GL_ONE, true}
280 void DPSOFTRAST_RecalcBlendFunc(void)
283 dpsoftrast.fb_blendmode = DPSOFTRAST_BLENDMODE_OPAQUE;
284 for (i = 0;i < (int)(sizeof(blendmodetable) / sizeof(blendmodetable[0]));i++)
286 if (dpsoftrast.user.blendfunc[0] == blendmodetable[i][1] && dpsoftrast.user.blendfunc[1] == blendmodetable[i][2] && dpsoftrast.user.blendsubtract == blendmodetable[i][3])
288 dpsoftrast.fb_blendmode = blendmodetable[i][0];
294 #define DPSOFTRAST_ValidateQuick(f) ((dpsoftrast.validate & (f)) ? (DPSOFTRAST_Validate(f), 0) : 0)
296 void DPSOFTRAST_Validate(int mask)
298 mask &= dpsoftrast.validate;
301 if (mask & DPSOFTRAST_VALIDATE_FB)
303 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_FB;
304 DPSOFTRAST_RecalcFB();
306 if (mask & DPSOFTRAST_VALIDATE_DEPTHFUNC)
308 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_DEPTHFUNC;
309 DPSOFTRAST_RecalcDepthFunc();
311 if (mask & DPSOFTRAST_VALIDATE_BLENDFUNC)
313 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_BLENDFUNC;
314 DPSOFTRAST_RecalcBlendFunc();
318 DPSOFTRAST_Texture *DPSOFTRAST_Texture_GetByIndex(int index)
320 if (index >= 1 && index < dpsoftrast.texture_end && dpsoftrast.texture[index].bytes)
321 return &dpsoftrast.texture[index];
325 int DPSOFTRAST_Texture_New(int flags, int width, int height, int depth)
334 int sides = (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) ? 6 : 1;
335 int texformat = flags & DPSOFTRAST_TEXTURE_FORMAT_COMPAREMASK;
336 DPSOFTRAST_Texture *texture;
337 if (width*height*depth < 1)
339 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: width, height or depth is less than 1";
342 if (width > DPSOFTRAST_TEXTURE_MAXSIZE || height > DPSOFTRAST_TEXTURE_MAXSIZE || depth > DPSOFTRAST_TEXTURE_MAXSIZE)
344 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: texture size is too large";
349 case DPSOFTRAST_TEXTURE_FORMAT_BGRA8:
350 case DPSOFTRAST_TEXTURE_FORMAT_RGBA8:
351 case DPSOFTRAST_TEXTURE_FORMAT_ALPHA8:
353 case DPSOFTRAST_TEXTURE_FORMAT_DEPTH:
354 if (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP)
356 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures";
361 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures";
364 if ((flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && (texformat == DPSOFTRAST_TEXTURE_FORMAT_DEPTH))
366 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH does not permit mipmaps";
371 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP))
373 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_CUBEMAP can not be used on 3D textures";
376 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
378 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures";
381 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
383 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures";
386 if ((flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
388 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on cubemap textures";
391 if ((width & (width-1)) || (height & (height-1)) || (depth & (depth-1)))
393 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: dimensions are not power of two";
396 // find first empty slot in texture array
397 for (texnum = dpsoftrast.texture_firstfree;texnum < dpsoftrast.texture_end;texnum++)
398 if (!dpsoftrast.texture[texnum].bytes)
400 dpsoftrast.texture_firstfree = texnum + 1;
401 if (dpsoftrast.texture_max <= texnum)
403 // expand texture array as needed
404 if (dpsoftrast.texture_max < 1024)
405 dpsoftrast.texture_max = 1024;
407 dpsoftrast.texture_max *= 2;
408 dpsoftrast.texture = (DPSOFTRAST_Texture *)realloc(dpsoftrast.texture, dpsoftrast.texture_max * sizeof(DPSOFTRAST_Texture));
410 if (dpsoftrast.texture_end <= texnum)
411 dpsoftrast.texture_end = texnum + 1;
412 texture = &dpsoftrast.texture[texnum];
413 memset(texture, 0, sizeof(*texture));
414 texture->flags = flags;
415 texture->width = width;
416 texture->height = height;
417 texture->depth = depth;
418 texture->sides = sides;
429 s = w * h * d * sides * 4;
430 texture->mipmap[mipmaps][0] = size;
431 texture->mipmap[mipmaps][1] = s;
432 texture->mipmap[mipmaps][2] = w;
433 texture->mipmap[mipmaps][3] = h;
434 texture->mipmap[mipmaps][4] = d;
437 if (w * h * d == 1 || !(flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
443 texture->mipmaps = mipmaps;
444 texture->size = size;
446 // allocate the pixels now
447 texture->bytes = (unsigned char *)MM_CALLOC(1, size);
451 void DPSOFTRAST_Texture_Free(int index)
453 DPSOFTRAST_Texture *texture;
454 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
456 MM_FREE(texture->bytes);
457 texture->bytes = NULL;
458 memset(texture, 0, sizeof(*texture));
459 // adjust the free range and used range
460 if (dpsoftrast.texture_firstfree > index)
461 dpsoftrast.texture_firstfree = index;
462 while (dpsoftrast.texture_end > 0 && dpsoftrast.texture[dpsoftrast.texture_end-1].bytes == NULL)
463 dpsoftrast.texture_end--;
465 void DPSOFTRAST_Texture_CalculateMipmaps(int index)
467 int i, x, y, z, w, layer0, layer1, row0, row1;
468 unsigned char *o, *i0, *i1, *i2, *i3;
469 DPSOFTRAST_Texture *texture;
470 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
471 if (texture->mipmaps <= 1)
473 for (i = 1;i < texture->mipmaps;i++)
475 for (z = 0;z < texture->mipmap[i][4];z++)
479 if (layer1 >= texture->mipmap[i-1][4])
480 layer1 = texture->mipmap[i-1][4]-1;
481 for (y = 0;y < texture->mipmap[i][3];y++)
485 if (row1 >= texture->mipmap[i-1][3])
486 row1 = texture->mipmap[i-1][3]-1;
487 o = texture->bytes + texture->mipmap[i ][0] + 4*((texture->mipmap[i ][3] * z + y ) * texture->mipmap[i ][2]);
488 i0 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row0) * texture->mipmap[i-1][2]);
489 i1 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row1) * texture->mipmap[i-1][2]);
490 i2 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row0) * texture->mipmap[i-1][2]);
491 i3 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row1) * texture->mipmap[i-1][2]);
492 w = texture->mipmap[i][2];
495 if (texture->mipmap[i-1][2] > 1)
497 // average 3D texture
498 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8, i2 += 8, i3 += 8)
500 o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + i2[0] + i2[4] + i3[0] + i3[4] + 4) >> 3;
501 o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + i2[1] + i2[5] + i3[1] + i3[5] + 4) >> 3;
502 o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + i2[2] + i2[6] + i3[2] + i3[6] + 4) >> 3;
503 o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + i2[3] + i2[7] + i3[3] + i3[7] + 4) >> 3;
508 // average 3D mipmap with parent width == 1
509 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8)
511 o[0] = (i0[0] + i1[0] + i2[0] + i3[0] + 2) >> 2;
512 o[1] = (i0[1] + i1[1] + i2[1] + i3[1] + 2) >> 2;
513 o[2] = (i0[2] + i1[2] + i2[2] + i3[2] + 2) >> 2;
514 o[3] = (i0[3] + i1[3] + i2[3] + i3[3] + 2) >> 2;
520 if (texture->mipmap[i-1][2] > 1)
522 // average 2D texture (common case)
523 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8)
525 o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + 2) >> 2;
526 o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + 2) >> 2;
527 o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + 2) >> 2;
528 o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + 2) >> 2;
533 // 2D texture with parent width == 1
534 o[0] = (i0[0] + i1[0] + 1) >> 1;
535 o[1] = (i0[1] + i1[1] + 1) >> 1;
536 o[2] = (i0[2] + i1[2] + 1) >> 1;
537 o[3] = (i0[3] + i1[3] + 1) >> 1;
544 void DPSOFTRAST_Texture_UpdatePartial(int index, int mip, const unsigned char *pixels, int blockx, int blocky, int blockwidth, int blockheight)
546 DPSOFTRAST_Texture *texture;
547 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
551 dpsoftrast.errorstring = "DPSOFTRAST_Texture_UpdatePartial: Not implemented.";
553 void DPSOFTRAST_Texture_UpdateFull(int index, const unsigned char *pixels)
555 DPSOFTRAST_Texture *texture;
556 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
558 memcpy(texture->bytes, pixels, texture->mipmap[0][1]);
559 DPSOFTRAST_Texture_CalculateMipmaps(index);
561 int DPSOFTRAST_Texture_GetWidth(int index, int mip)
563 DPSOFTRAST_Texture *texture;
564 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
565 return texture->mipmap[mip][2];
567 int DPSOFTRAST_Texture_GetHeight(int index, int mip)
569 DPSOFTRAST_Texture *texture;
570 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
571 return texture->mipmap[mip][3];
573 int DPSOFTRAST_Texture_GetDepth(int index, int mip)
575 DPSOFTRAST_Texture *texture;
576 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
577 return texture->mipmap[mip][4];
579 unsigned char *DPSOFTRAST_Texture_GetPixelPointer(int index, int mip)
581 DPSOFTRAST_Texture *texture;
582 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
583 return texture->bytes + texture->mipmap[mip][0];
585 void DPSOFTRAST_Texture_Filter(int index, DPSOFTRAST_TEXTURE_FILTER filter)
587 DPSOFTRAST_Texture *texture;
588 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
589 if (!(texture->flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && filter > DPSOFTRAST_TEXTURE_FILTER_LINEAR)
591 dpsoftrast.errorstring = "DPSOFTRAST_Texture_Filter: requested filter mode requires mipmaps";
594 texture->filter = filter;
597 void DPSOFTRAST_SetRenderTargets(int width, int height, unsigned int *depthpixels, unsigned int *colorpixels0, unsigned int *colorpixels1, unsigned int *colorpixels2, unsigned int *colorpixels3)
599 dpsoftrast.fb_width = width;
600 dpsoftrast.fb_height = height;
601 dpsoftrast.fb_depthpixels = depthpixels;
602 dpsoftrast.fb_colorpixels[0] = colorpixels0;
603 dpsoftrast.fb_colorpixels[1] = colorpixels1;
604 dpsoftrast.fb_colorpixels[2] = colorpixels2;
605 dpsoftrast.fb_colorpixels[3] = colorpixels3;
607 void DPSOFTRAST_Viewport(int x, int y, int width, int height)
609 dpsoftrast.user.viewport[0] = x;
610 dpsoftrast.user.viewport[1] = y;
611 dpsoftrast.user.viewport[2] = width;
612 dpsoftrast.user.viewport[3] = height;
613 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
615 void DPSOFTRAST_ClearColor(float r, float g, float b, float a)
617 int i, x1, y1, x2, y2, w, h, x, y;
620 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB);
621 x1 = dpsoftrast.fb_clearscissor[0];
622 y1 = dpsoftrast.fb_clearscissor[1];
623 x2 = dpsoftrast.fb_clearscissor[2];
624 y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3];
629 // FIXME: honor dpsoftrast.fb_colormask?
630 c = DPSOFTRAST_BGRA8_FROM_RGBA32F(r,g,b,a);
631 for (i = 0;i < 4;i++)
633 if (!dpsoftrast.fb_colorpixels[i])
635 for (y = y1;y < y2;y++)
637 p = dpsoftrast.fb_colorpixels[i] + y * dpsoftrast.fb_width;
638 for (x = x1;x < x2;x++)
643 void DPSOFTRAST_ClearDepth(float d)
645 int x1, y1, x2, y2, w, h, x, y;
648 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB);
649 x1 = dpsoftrast.fb_clearscissor[0];
650 y1 = dpsoftrast.fb_clearscissor[1];
651 x2 = dpsoftrast.fb_clearscissor[2];
652 y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3];
657 c = DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d);
658 for (y = y1;y < y2;y++)
660 p = dpsoftrast.fb_depthpixels + y * dpsoftrast.fb_width;
661 for (x = x1;x < x2;x++)
665 void DPSOFTRAST_ColorMask(int r, int g, int b, int a)
667 dpsoftrast.user.colormask[0] = r != 0;
668 dpsoftrast.user.colormask[1] = g != 0;
669 dpsoftrast.user.colormask[2] = b != 0;
670 dpsoftrast.user.colormask[3] = a != 0;
671 dpsoftrast.fb_colormask = ((-dpsoftrast.user.colormask[0]) & 0x00FF0000) | ((-dpsoftrast.user.colormask[1]) & 0x0000FF00) | ((-dpsoftrast.user.colormask[2]) & 0x000000FF) | ((-dpsoftrast.user.colormask[3]) & 0xFF000000);
673 void DPSOFTRAST_DepthTest(int enable)
675 dpsoftrast.user.depthtest = enable;
676 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_DEPTHFUNC;
678 void DPSOFTRAST_ScissorTest(int enable)
680 dpsoftrast.user.scissortest = enable;
681 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
683 void DPSOFTRAST_Scissor(float x, float y, float width, float height)
685 dpsoftrast.user.scissor[0] = x;
686 dpsoftrast.user.scissor[1] = y;
687 dpsoftrast.user.scissor[2] = width;
688 dpsoftrast.user.scissor[3] = height;
689 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
692 void DPSOFTRAST_BlendFunc(int smodulate, int dmodulate)
695 dpsoftrast.user.blendfunc[0] = smodulate;
696 dpsoftrast.user.blendfunc[1] = dmodulate;
697 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC;
699 void DPSOFTRAST_BlendSubtract(int enable)
701 dpsoftrast.user.blendsubtract = enable != 0;
702 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC;
704 void DPSOFTRAST_DepthMask(int enable)
706 dpsoftrast.user.depthmask = enable;
708 void DPSOFTRAST_DepthFunc(int comparemode)
711 dpsoftrast.user.depthfunc = comparemode;
713 void DPSOFTRAST_DepthRange(float range0, float range1)
715 dpsoftrast.user.depthrange[0] = range0;
716 dpsoftrast.user.depthrange[1] = range1;
718 void DPSOFTRAST_PolygonOffset(float alongnormal, float intoview)
720 dpsoftrast.user.polygonoffset[0] = alongnormal;
721 dpsoftrast.user.polygonoffset[1] = intoview;
723 void DPSOFTRAST_CullFace(int mode)
726 dpsoftrast.user.cullface = mode;
728 void DPSOFTRAST_AlphaTest(float enable)
730 dpsoftrast.user.alphatest = enable;
732 void DPSOFTRAST_AlphaFunc(int alphafunc, float alphavalue)
735 dpsoftrast.user.alphafunc = alphafunc;
736 dpsoftrast.user.alphavalue = alphavalue;
738 void DPSOFTRAST_Color4f(float r, float g, float b, float a)
740 dpsoftrast.user.color[0] = r;
741 dpsoftrast.user.color[1] = g;
742 dpsoftrast.user.color[2] = b;
743 dpsoftrast.user.color[3] = a;
745 void DPSOFTRAST_GetPixelsBGRA(int blockx, int blocky, int blockwidth, int blockheight, unsigned char *outpixels)
747 int outstride = blockwidth * 4;
748 int instride = dpsoftrast.fb_width * 4;
751 int bx2 = blockx + blockwidth;
752 int by2 = blocky + blockheight;
757 unsigned char *inpixels;
760 if (bx1 < 0) bx1 = 0;
761 if (by1 < 0) by1 = 0;
762 if (bx2 > dpsoftrast.fb_width) bx2 = dpsoftrast.fb_width;
763 if (by2 > dpsoftrast.fb_height) by2 = dpsoftrast.fb_height;
766 inpixels = (unsigned char *)dpsoftrast.fb_colorpixels[0];
767 if (dpsoftrast.bigendian)
769 for (y = by1;y < by2;y++)
771 b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1;
772 o = (unsigned char *)outpixels + (y - by1) * outstride;
773 for (x = bx1;x < bx2;x++)
786 for (y = by1;y < by2;y++)
788 b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1;
789 o = (unsigned char *)outpixels + (y - by1) * outstride;
795 void DPSOFTRAST_CopyRectangleToTexture(int index, int mip, int tx, int ty, int sx, int sy, int width, int height)
799 int tx2 = tx + width;
800 int ty2 = ty + height;
803 int sx2 = sx + width;
804 int sy2 = sy + height;
814 unsigned int *spixels;
815 unsigned int *tpixels;
816 DPSOFTRAST_Texture *texture;
817 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
818 if (mip < 0 || mip >= texture->mipmaps) return;
819 spixels = dpsoftrast.fb_colorpixels[0];
820 swidth = dpsoftrast.fb_width;
821 sheight = dpsoftrast.fb_height;
822 tpixels = (unsigned int *)(texture->bytes + texture->mipmap[mip][0]);
823 twidth = texture->mipmap[mip][2];
824 theight = texture->mipmap[mip][3];
825 if (tx1 < 0) tx1 = 0;
826 if (ty1 < 0) ty1 = 0;
827 if (tx2 > twidth) tx2 = twidth;
828 if (ty2 > theight) ty2 = theight;
829 if (sx1 < 0) sx1 = 0;
830 if (sy1 < 0) sy1 = 0;
831 if (sx2 > swidth) sx2 = swidth;
832 if (sy2 > sheight) sy2 = sheight;
837 if (tw > sw) tw = sw;
838 if (th > sh) th = sh;
839 if (tw < 1 || th < 1)
841 for (y = 0;y < th;y++)
842 memcpy(tpixels + ((ty1 + y) * twidth + tx1), spixels + ((sy1 + y) * swidth + sx1), tw*4);
843 if (texture->mipmaps > 1)
844 DPSOFTRAST_Texture_CalculateMipmaps(index);
846 void DPSOFTRAST_SetTexture(int unitnum, int index)
848 DPSOFTRAST_Texture *texture;
849 if (unitnum < 0 || unitnum >= DPSOFTRAST_MAXTEXTUREUNITS)
851 dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid unit number";
854 texture = DPSOFTRAST_Texture_GetByIndex(index);
855 if (index && !texture)
857 dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid texture handle";
860 dpsoftrast.texbound[unitnum] = texture;
863 void DPSOFTRAST_SetVertexPointer(const float *vertex3f, size_t stride)
865 dpsoftrast.pointer_vertex3f = vertex3f;
866 dpsoftrast.stride_vertex = stride;
868 void DPSOFTRAST_SetColorPointer(const float *color4f, size_t stride)
870 dpsoftrast.pointer_color4f = color4f;
871 dpsoftrast.pointer_color4ub = NULL;
872 dpsoftrast.stride_color = stride;
874 void DPSOFTRAST_SetColorPointer4ub(const unsigned char *color4ub, size_t stride)
876 dpsoftrast.pointer_color4f = NULL;
877 dpsoftrast.pointer_color4ub = color4ub;
878 dpsoftrast.stride_color = stride;
880 void DPSOFTRAST_SetTexCoordPointer(int unitnum, int numcomponents, size_t stride, const float *texcoordf)
882 dpsoftrast.pointer_texcoordf[unitnum] = texcoordf;
883 dpsoftrast.components_texcoord[unitnum] = numcomponents;
884 dpsoftrast.stride_texcoord[unitnum] = stride;
887 void DPSOFTRAST_SetShader(unsigned int mode, unsigned int permutation)
889 dpsoftrast.shader_mode = mode;
890 dpsoftrast.shader_permutation = permutation;
892 void DPSOFTRAST_Uniform4fARB(DPSOFTRAST_UNIFORM index, float v0, float v1, float v2, float v3)
894 dpsoftrast.uniform4f[index*4+0] = v0;
895 dpsoftrast.uniform4f[index*4+1] = v1;
896 dpsoftrast.uniform4f[index*4+2] = v2;
897 dpsoftrast.uniform4f[index*4+3] = v3;
899 void DPSOFTRAST_Uniform4fvARB(DPSOFTRAST_UNIFORM index, const float *v)
901 dpsoftrast.uniform4f[index*4+0] = v[0];
902 dpsoftrast.uniform4f[index*4+1] = v[1];
903 dpsoftrast.uniform4f[index*4+2] = v[2];
904 dpsoftrast.uniform4f[index*4+3] = v[3];
906 void DPSOFTRAST_UniformMatrix4fvARB(DPSOFTRAST_UNIFORM index, int arraysize, int transpose, const float *v)
909 for (i = 0;i < arraysize;i++, index += 4, v += 16)
913 dpsoftrast.uniform4f[index*4+0] = v[0];
914 dpsoftrast.uniform4f[index*4+1] = v[4];
915 dpsoftrast.uniform4f[index*4+2] = v[8];
916 dpsoftrast.uniform4f[index*4+3] = v[12];
917 dpsoftrast.uniform4f[index*4+4] = v[1];
918 dpsoftrast.uniform4f[index*4+5] = v[5];
919 dpsoftrast.uniform4f[index*4+6] = v[9];
920 dpsoftrast.uniform4f[index*4+7] = v[13];
921 dpsoftrast.uniform4f[index*4+8] = v[2];
922 dpsoftrast.uniform4f[index*4+9] = v[6];
923 dpsoftrast.uniform4f[index*4+10] = v[10];
924 dpsoftrast.uniform4f[index*4+11] = v[14];
925 dpsoftrast.uniform4f[index*4+12] = v[3];
926 dpsoftrast.uniform4f[index*4+13] = v[7];
927 dpsoftrast.uniform4f[index*4+14] = v[11];
928 dpsoftrast.uniform4f[index*4+15] = v[15];
932 dpsoftrast.uniform4f[index*4+0] = v[0];
933 dpsoftrast.uniform4f[index*4+1] = v[1];
934 dpsoftrast.uniform4f[index*4+2] = v[2];
935 dpsoftrast.uniform4f[index*4+3] = v[3];
936 dpsoftrast.uniform4f[index*4+4] = v[4];
937 dpsoftrast.uniform4f[index*4+5] = v[5];
938 dpsoftrast.uniform4f[index*4+6] = v[6];
939 dpsoftrast.uniform4f[index*4+7] = v[7];
940 dpsoftrast.uniform4f[index*4+8] = v[8];
941 dpsoftrast.uniform4f[index*4+9] = v[9];
942 dpsoftrast.uniform4f[index*4+10] = v[10];
943 dpsoftrast.uniform4f[index*4+11] = v[11];
944 dpsoftrast.uniform4f[index*4+12] = v[12];
945 dpsoftrast.uniform4f[index*4+13] = v[13];
946 dpsoftrast.uniform4f[index*4+14] = v[14];
947 dpsoftrast.uniform4f[index*4+15] = v[15];
951 void DPSOFTRAST_Uniform1iARB(DPSOFTRAST_UNIFORM index, int i0)
953 dpsoftrast.uniform1i[index] = i0;
956 void DPSOFTRAST_Draw_LoadVertices(int firstvertex, int numvertices, bool needcolors)
964 const unsigned char *b;
965 dpsoftrast.draw.numvertices = numvertices;
966 if (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices)
968 if (dpsoftrast.draw.maxvertices < 4096)
969 dpsoftrast.draw.maxvertices = 4096;
970 while (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices)
971 dpsoftrast.draw.maxvertices *= 2;
972 if (dpsoftrast.draw.in_array4f[0])
973 MM_FREE(dpsoftrast.draw.in_array4f[0]);
974 data = (float *)MM_CALLOC(1, dpsoftrast.draw.maxvertices * sizeof(float[4])*(DPSOFTRAST_ARRAY_TOTAL*2 + 1));
975 for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4)
976 dpsoftrast.draw.in_array4f[i] = data;
977 for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4)
978 dpsoftrast.draw.post_array4f[i] = data;
979 dpsoftrast.draw.screencoord4f = data;
980 data += dpsoftrast.draw.maxvertices * 4;
982 stride = dpsoftrast.stride_vertex;
983 v = (const float *)((unsigned char *)dpsoftrast.pointer_vertex3f + firstvertex * stride);
984 p = dpsoftrast.draw.in_array4f[0];
985 for (i = 0;i < numvertices;i++)
992 v = (const float *)((const unsigned char *)v + stride);
996 if (dpsoftrast.pointer_color4f)
998 stride = dpsoftrast.stride_color;
999 v = (const float *)((const unsigned char *)dpsoftrast.pointer_color4f + firstvertex * stride);
1000 p = dpsoftrast.draw.in_array4f[1];
1001 for (i = 0;i < numvertices;i++)
1008 v = (const float *)((const unsigned char *)v + stride);
1011 else if (dpsoftrast.pointer_color4ub)
1013 stride = dpsoftrast.stride_color;
1014 b = (const unsigned char *)((const unsigned char *)dpsoftrast.pointer_color4ub + firstvertex * stride);
1015 p = dpsoftrast.draw.in_array4f[1];
1016 for (i = 0;i < numvertices;i++)
1018 p[0] = b[0] * (1.0f / 255.0f);
1019 p[1] = b[1] * (1.0f / 255.0f);
1020 p[2] = b[2] * (1.0f / 255.0f);
1021 p[3] = b[3] * (1.0f / 255.0f);
1023 b = (const unsigned char *)((const unsigned char *)b + stride);
1028 v = dpsoftrast.user.color;
1029 p = dpsoftrast.draw.in_array4f[1];
1030 for (i = 0;i < numvertices;i++)
1040 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL-2;j++)
1042 if (dpsoftrast.pointer_texcoordf[j])
1044 stride = dpsoftrast.stride_texcoord[j];
1045 v = (const float *)((const unsigned char *)dpsoftrast.pointer_texcoordf[j] + firstvertex * stride);
1046 p = dpsoftrast.draw.in_array4f[j+2];
1047 switch(dpsoftrast.components_texcoord[j])
1050 for (i = 0;i < numvertices;i++)
1057 v = (const float *)((const unsigned char *)v + stride);
1061 for (i = 0;i < numvertices;i++)
1068 v = (const float *)((const unsigned char *)v + stride);
1072 for (i = 0;i < numvertices;i++)
1079 v = (const float *)((const unsigned char *)v + stride);
1087 void DPSOFTRAST_Array_Transform(float *out4f, const float *in4f, int numitems, const float *inmatrix16f)
1089 static const float identitymatrix[4][4] = {{1,0,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1}};
1093 memcpy(matrix, inmatrix16f, sizeof(float[16]));
1094 if (!memcmp(identitymatrix, matrix, sizeof(float[16])))
1096 // fast case for identity matrix
1097 memcpy(out4f, in4f, numitems * sizeof(float[4]));
1100 for (i = 0;i < numitems;i++, out4f += 4, in4f += 4)
1102 out4f[0] = in4f[0] * matrix[0][0] + in4f[1] * matrix[1][0] + in4f[2] * matrix[2][0] + in4f[3] * matrix[3][0];
1103 out4f[1] = in4f[0] * matrix[0][1] + in4f[1] * matrix[1][1] + in4f[2] * matrix[2][1] + in4f[3] * matrix[3][1];
1104 out4f[2] = in4f[0] * matrix[0][2] + in4f[1] * matrix[1][2] + in4f[2] * matrix[2][2] + in4f[3] * matrix[3][2];
1105 out4f[3] = in4f[0] * matrix[0][3] + in4f[1] * matrix[1][3] + in4f[2] * matrix[2][3] + in4f[3] * matrix[3][3];
1109 void DPSOFTRAST_Array_Copy(float *out4f, const float *in4f, int numitems)
1111 memcpy(out4f, in4f, numitems * sizeof(float[4]));
1115 __m128 DPSOFTRAST_Draw_ProjectVertex(__m128 v)
1117 __m128 viewportcenter = _mm_load_ps(dpsoftrast.fb_viewportcenter), viewportscale = _mm_load_ps(dpsoftrast.fb_viewportscale);
1118 __m128 w = _mm_rcp_ss(_mm_shuffle_ps(v, v, _MM_SHUFFLE(2, 1, 0, 3)));
1119 v = _mm_add_ps(viewportcenter, _mm_mul_ps(_mm_mul_ps(viewportscale, w), _mm_shuffle_ps(w, w, _MM_SHUFFLE(0, 0, 0, 0))));
1120 v = _mm_move_ss(v, w);
1121 v = _mm_shuffle_ps(v, v, _MM_SHUFFLE(0, 3, 2, 1));
1126 void DPSOFTRAST_Draw_ProjectVertices(float *out4f, const float *in4f, int numitems)
1129 // NOTE: this is used both as a whole mesh transform function and a
1130 // per-triangle transform function (for clipped triangles), accordingly
1131 // it should not crash on divide by 0 but the result of divide by 0 is
1135 __m128 viewportcenter = _mm_load_ps(dpsoftrast.fb_viewportcenter), viewportscale = _mm_load_ps(dpsoftrast.fb_viewportscale);
1136 for (i = 0;i < numitems;i++)
1138 __m128 v = _mm_load_ps(in4f), w = _mm_rcp_ss(_mm_shuffle_ps(v, v, _MM_SHUFFLE(2, 1, 0, 3)));
1139 v = _mm_add_ps(viewportcenter, _mm_mul_ps(_mm_mul_ps(viewportscale, w), _mm_shuffle_ps(w, w, _MM_SHUFFLE(0, 0, 0, 0))));
1140 v = _mm_move_ss(v, w);
1141 _mm_store_ps(out4f, _mm_shuffle_ps(v, v, _MM_SHUFFLE(0, 3, 2, 1)));
1148 void DPSOFTRAST_Draw_DebugEdgePoints(const float *screen0, const float *screen1)
1153 int w = dpsoftrast.fb_width;
1156 unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
1158 bounds[0] = dpsoftrast.fb_viewportscissor[0];
1159 bounds[1] = dpsoftrast.fb_viewportscissor[1];
1160 bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
1161 bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
1166 for (i = 0;i <= 128;i++)
1169 //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
1171 x = (int)(v0[0] + (v1[0] - v0[0]) * (i/128.0f));
1172 y = (int)(v0[1] + (v1[1] - v0[1]) * (i/128.0f));
1173 if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
1175 //c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + element0*4;
1176 //pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
1177 pixels[y*w+x] = 0xFFFFFFFF;
1181 void DPSOFTRAST_Draw_Span_Begin(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *zf)
1184 int startx = span->startx;
1185 int endx = span->endx;
1186 float w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
1187 float wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
1188 float endz = 1.0f / (w + wslope * startx);
1189 for (x = startx;x < endx;)
1191 int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
1193 if(nextsub >= endx) nextsub = endsub = endx-1;
1194 endz = 1.0f / (w + wslope * nextsub);
1195 dz = x < nextsub ? (endz - z) / (nextsub - x) : 0.0f;
1196 for (; x <= endsub; x++, z += dz)
1201 void DPSOFTRAST_Draw_Span_Finish(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const float * RESTRICT in4f)
1204 int startx = span->startx;
1205 int endx = span->endx;
1208 unsigned char * RESTRICT pixelmask = span->pixelmask;
1209 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
1212 pixel += span->start * 4;
1213 // handle alphatest now (this affects depth writes too)
1214 if (dpsoftrast.user.alphatest)
1215 for (x = startx;x < endx;x++)
1216 if (in4f[x*4+3] < 0.5f)
1217 pixelmask[x] = false;
1218 // FIXME: this does not handle bigendian
1219 switch(dpsoftrast.fb_blendmode)
1221 case DPSOFTRAST_BLENDMODE_OPAQUE:
1222 for (x = startx;x < endx;x++)
1226 d[0] = (int)(in4f[x*4+2]*255.0f);if (d[0] > 255) d[0] = 255;
1227 d[1] = (int)(in4f[x*4+1]*255.0f);if (d[1] > 255) d[1] = 255;
1228 d[2] = (int)(in4f[x*4+0]*255.0f);if (d[2] > 255) d[2] = 255;
1229 d[3] = (int)(in4f[x*4+3]*255.0f);if (d[3] > 255) d[3] = 255;
1230 pixel[x*4+0] = d[0];
1231 pixel[x*4+1] = d[1];
1232 pixel[x*4+2] = d[2];
1233 pixel[x*4+3] = d[3];
1236 case DPSOFTRAST_BLENDMODE_ALPHA:
1237 for (x = startx;x < endx;x++)
1241 a = in4f[x*4+3] * 255.0f;
1242 b = 1.0f - in4f[x*4+3];
1243 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
1244 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
1245 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
1246 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
1247 pixel[x*4+0] = d[0];
1248 pixel[x*4+1] = d[1];
1249 pixel[x*4+2] = d[2];
1250 pixel[x*4+3] = d[3];
1253 case DPSOFTRAST_BLENDMODE_ADDALPHA:
1254 for (x = startx;x < endx;x++)
1258 a = in4f[x*4+3] * 255.0f;
1259 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1260 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1261 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1262 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1263 pixel[x*4+0] = d[0];
1264 pixel[x*4+1] = d[1];
1265 pixel[x*4+2] = d[2];
1266 pixel[x*4+3] = d[3];
1269 case DPSOFTRAST_BLENDMODE_ADD:
1270 for (x = startx;x < endx;x++)
1274 d[0] = (int)(in4f[x*4+2]*255.0f+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1275 d[1] = (int)(in4f[x*4+1]*255.0f+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1276 d[2] = (int)(in4f[x*4+0]*255.0f+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1277 d[3] = (int)(in4f[x*4+3]*255.0f+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1278 pixel[x*4+0] = d[0];
1279 pixel[x*4+1] = d[1];
1280 pixel[x*4+2] = d[2];
1281 pixel[x*4+3] = d[3];
1284 case DPSOFTRAST_BLENDMODE_INVMOD:
1285 for (x = startx;x < endx;x++)
1289 d[0] = (int)((1.0f-in4f[x*4+2])*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1290 d[1] = (int)((1.0f-in4f[x*4+1])*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1291 d[2] = (int)((1.0f-in4f[x*4+0])*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1292 d[3] = (int)((1.0f-in4f[x*4+3])*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1293 pixel[x*4+0] = d[0];
1294 pixel[x*4+1] = d[1];
1295 pixel[x*4+2] = d[2];
1296 pixel[x*4+3] = d[3];
1299 case DPSOFTRAST_BLENDMODE_MUL:
1300 for (x = startx;x < endx;x++)
1304 d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1305 d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1306 d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1307 d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1308 pixel[x*4+0] = d[0];
1309 pixel[x*4+1] = d[1];
1310 pixel[x*4+2] = d[2];
1311 pixel[x*4+3] = d[3];
1314 case DPSOFTRAST_BLENDMODE_MUL2:
1315 for (x = startx;x < endx;x++)
1319 d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]*2.0f);if (d[0] > 255) d[0] = 255;
1320 d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]*2.0f);if (d[1] > 255) d[1] = 255;
1321 d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]*2.0f);if (d[2] > 255) d[2] = 255;
1322 d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]*2.0f);if (d[3] > 255) d[3] = 255;
1323 pixel[x*4+0] = d[0];
1324 pixel[x*4+1] = d[1];
1325 pixel[x*4+2] = d[2];
1326 pixel[x*4+3] = d[3];
1329 case DPSOFTRAST_BLENDMODE_SUBALPHA:
1330 for (x = startx;x < endx;x++)
1334 a = in4f[x*4+3] * -255.0f;
1335 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;
1336 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;
1337 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;
1338 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;
1339 pixel[x*4+0] = d[0];
1340 pixel[x*4+1] = d[1];
1341 pixel[x*4+2] = d[2];
1342 pixel[x*4+3] = d[3];
1345 case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
1346 for (x = startx;x < endx;x++)
1351 b = 1.0f - in4f[x*4+3];
1352 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
1353 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
1354 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
1355 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
1356 pixel[x*4+0] = d[0];
1357 pixel[x*4+1] = d[1];
1358 pixel[x*4+2] = d[2];
1359 pixel[x*4+3] = d[3];
1365 void DPSOFTRAST_Draw_Span_FinishBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const unsigned char* RESTRICT in4ub)
1368 int startx = span->startx;
1369 int endx = span->endx;
1371 const unsigned int * RESTRICT ini = (const unsigned int *)in4ub;
1373 unsigned char * RESTRICT pixelmask = span->pixelmask;
1374 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
1375 unsigned int * RESTRICT pixeli = (unsigned int *)dpsoftrast.fb_colorpixels[0];
1378 pixel += span->start * 4;
1379 pixeli += span->start;
1380 // handle alphatest now (this affects depth writes too)
1381 if (dpsoftrast.user.alphatest)
1382 for (x = startx;x < endx;x++)
1383 if (in4ub[x*4+3] < 0.5f)
1384 pixelmask[x] = false;
1385 // FIXME: this does not handle bigendian
1386 switch(dpsoftrast.fb_blendmode)
1388 case DPSOFTRAST_BLENDMODE_OPAQUE:
1389 for (x = startx;x < endx;x++)
1393 case DPSOFTRAST_BLENDMODE_ALPHA:
1394 for (x = startx;x < endx;x++)
1399 b = 256 - in4ub[x*4+3];
1400 pixel[x*4+0] = (in4ub[x*4+0]*a+pixel[x*4+0]*b) >> 8;
1401 pixel[x*4+1] = (in4ub[x*4+1]*a+pixel[x*4+1]*b) >> 8;
1402 pixel[x*4+2] = (in4ub[x*4+2]*a+pixel[x*4+2]*b) >> 8;
1403 pixel[x*4+3] = (in4ub[x*4+3]*a+pixel[x*4+3]*b) >> 8;
1406 case DPSOFTRAST_BLENDMODE_ADDALPHA:
1407 for (x = startx;x < endx;x++)
1412 d[0] = (((in4ub[x*4+0]*a)>>8)+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1413 d[1] = (((in4ub[x*4+1]*a)>>8)+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1414 d[2] = (((in4ub[x*4+2]*a)>>8)+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1415 d[3] = (((in4ub[x*4+3]*a)>>8)+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1416 pixel[x*4+0] = d[0];
1417 pixel[x*4+1] = d[1];
1418 pixel[x*4+2] = d[2];
1419 pixel[x*4+3] = d[3];
1422 case DPSOFTRAST_BLENDMODE_ADD:
1423 for (x = startx;x < endx;x++)
1427 d[0] = (in4ub[x*4+0]+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1428 d[1] = (in4ub[x*4+1]+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1429 d[2] = (in4ub[x*4+2]+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1430 d[3] = (in4ub[x*4+3]+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1431 pixel[x*4+0] = d[0];
1432 pixel[x*4+1] = d[1];
1433 pixel[x*4+2] = d[2];
1434 pixel[x*4+3] = d[3];
1437 case DPSOFTRAST_BLENDMODE_INVMOD:
1438 for (x = startx;x < endx;x++)
1442 pixel[x*4+0] = ((255-in4ub[x*4+0])*pixel[x*4+0])>>8;
1443 pixel[x*4+1] = ((255-in4ub[x*4+1])*pixel[x*4+1])>>8;
1444 pixel[x*4+2] = ((255-in4ub[x*4+2])*pixel[x*4+2])>>8;
1445 pixel[x*4+3] = ((255-in4ub[x*4+3])*pixel[x*4+3])>>8;
1448 case DPSOFTRAST_BLENDMODE_MUL:
1449 for (x = startx;x < endx;x++)
1453 pixel[x*4+0] = (in4ub[x*4+0]*pixel[x*4+0])>>8;
1454 pixel[x*4+1] = (in4ub[x*4+1]*pixel[x*4+1])>>8;
1455 pixel[x*4+2] = (in4ub[x*4+2]*pixel[x*4+2])>>8;
1456 pixel[x*4+3] = (in4ub[x*4+3]*pixel[x*4+3])>>8;
1459 case DPSOFTRAST_BLENDMODE_MUL2:
1460 for (x = startx;x < endx;x++)
1464 d[0] = (in4ub[x*4+0]*pixel[x*4+0])>>7;if (d[0] > 255) d[0] = 255;
1465 d[1] = (in4ub[x*4+1]*pixel[x*4+1])>>7;if (d[1] > 255) d[1] = 255;
1466 d[2] = (in4ub[x*4+2]*pixel[x*4+2])>>7;if (d[2] > 255) d[2] = 255;
1467 d[3] = (in4ub[x*4+3]*pixel[x*4+3])>>7;if (d[3] > 255) d[3] = 255;
1468 pixel[x*4+0] = d[0];
1469 pixel[x*4+1] = d[1];
1470 pixel[x*4+2] = d[2];
1471 pixel[x*4+3] = d[3];
1474 case DPSOFTRAST_BLENDMODE_SUBALPHA:
1475 for (x = startx;x < endx;x++)
1480 d[0] = pixel[x*4+0]-((in4ub[x*4+0]*a)>>8);if (d[0] < 0) d[0] = 0;
1481 d[1] = pixel[x*4+1]-((in4ub[x*4+1]*a)>>8);if (d[1] < 0) d[1] = 0;
1482 d[2] = pixel[x*4+2]-((in4ub[x*4+2]*a)>>8);if (d[2] < 0) d[2] = 0;
1483 d[3] = pixel[x*4+3]-((in4ub[x*4+3]*a)>>8);if (d[3] < 0) d[3] = 0;
1484 pixel[x*4+0] = d[0];
1485 pixel[x*4+1] = d[1];
1486 pixel[x*4+2] = d[2];
1487 pixel[x*4+3] = d[3];
1490 case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
1491 for (x = startx;x < endx;x++)
1495 b = 255 - in4ub[x*4+3];
1496 d[0] = in4ub[x*4+0]+((pixel[x*4+0]*b)>>8);if (d[0] > 255) d[0] = 255;
1497 d[1] = in4ub[x*4+1]+((pixel[x*4+1]*b)>>8);if (d[1] > 255) d[1] = 255;
1498 d[2] = in4ub[x*4+2]+((pixel[x*4+2]*b)>>8);if (d[2] > 255) d[2] = 255;
1499 d[3] = in4ub[x*4+3]+((pixel[x*4+3]*b)>>8);if (d[3] > 255) d[3] = 255;
1500 pixel[x*4+0] = d[0];
1501 pixel[x*4+1] = d[1];
1502 pixel[x*4+2] = d[2];
1503 pixel[x*4+3] = d[3];
1509 void DPSOFTRAST_Draw_Span_Texture2DVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float * RESTRICT out4f, int texunitindex, int arrayindex, const float * RESTRICT zf)
1512 int startx = span->startx;
1513 int endx = span->endx;
1518 float tc[2], endtc[2];
1520 unsigned int tci[2];
1521 unsigned int tci1[2];
1522 unsigned int tcimin[2];
1523 unsigned int tcimax[2];
1528 const unsigned char * RESTRICT pixelbase;
1529 const unsigned char * RESTRICT pixel[4];
1530 DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
1531 // if no texture is bound, just fill it with white
1534 for (x = startx;x < endx;x++)
1536 out4f[x*4+0] = 1.0f;
1537 out4f[x*4+1] = 1.0f;
1538 out4f[x*4+2] = 1.0f;
1539 out4f[x*4+3] = 1.0f;
1543 mip = span->mip[texunitindex];
1544 // if this mipmap of the texture is 1 pixel, just fill it with that color
1545 if (texture->mipmap[mip][1] == 4)
1547 c[0] = texture->bytes[2] * (1.0f/255.0f);
1548 c[1] = texture->bytes[1] * (1.0f/255.0f);
1549 c[2] = texture->bytes[0] * (1.0f/255.0f);
1550 c[3] = texture->bytes[3] * (1.0f/255.0f);
1551 for (x = startx;x < endx;x++)
1553 out4f[x*4+0] = c[0];
1554 out4f[x*4+1] = c[1];
1555 out4f[x*4+2] = c[2];
1556 out4f[x*4+3] = c[3];
1560 filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
1561 data[0] = span->data[0][arrayindex][0];
1562 data[1] = span->data[0][arrayindex][1];
1563 data[2] = span->data[0][arrayindex][2];
1564 data[3] = span->data[0][arrayindex][3];
1565 slope[0] = span->data[1][arrayindex][0];
1566 slope[1] = span->data[1][arrayindex][1];
1567 slope[2] = span->data[1][arrayindex][2];
1568 slope[3] = span->data[1][arrayindex][3];
1569 flags = texture->flags;
1570 pixelbase = (unsigned char *)texture->bytes + texture->mipmap[mip][0];
1571 tcscale[0] = texture->mipmap[mip][2];
1572 tcscale[1] = texture->mipmap[mip][3];
1573 tciwidth = texture->mipmap[mip][2];
1576 tcimax[0] = texture->mipmap[mip][2]-1;
1577 tcimax[1] = texture->mipmap[mip][3]-1;
1578 tciwrapmask[0] = texture->mipmap[mip][2]-1;
1579 tciwrapmask[1] = texture->mipmap[mip][3]-1;
1580 endtc[0] = (data[0] + slope[0]*startx) * zf[startx] * tcscale[0] - 0.5f;
1581 endtc[1] = (data[1] + slope[1]*startx) * zf[startx] * tcscale[1] - 0.5f;
1582 for (x = startx;x < endx;)
1584 unsigned int subtc[2];
1585 unsigned int substep[2];
1586 float subscale = 65536.0f/DPSOFTRAST_MAXSUBSPAN;
1587 int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
1590 nextsub = endsub = endx-1;
1591 if(x < nextsub) subscale = 65536.0f / (nextsub - x);
1595 endtc[0] = (data[0] + slope[0]*nextsub) * zf[nextsub] * tcscale[0] - 0.5f;
1596 endtc[1] = (data[1] + slope[1]*nextsub) * zf[nextsub] * tcscale[1] - 0.5f;
1597 substep[0] = (endtc[0] - tc[0]) * subscale;
1598 substep[1] = (endtc[1] - tc[1]) * subscale;
1599 subtc[0] = tc[0] * (1<<16);
1600 subtc[1] = tc[1] * (1<<16);
1603 if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1605 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1607 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1608 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1609 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1610 tci[0] = subtc[0]>>16;
1611 tci[1] = subtc[1]>>16;
1612 tci1[0] = tci[0] + 1;
1613 tci1[1] = tci[1] + 1;
1614 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1615 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1616 tci1[0] = tci1[0] >= tcimin[0] ? (tci1[0] <= tcimax[0] ? tci1[0] : tcimax[0]) : tcimin[0];
1617 tci1[1] = tci1[1] >= tcimin[1] ? (tci1[1] <= tcimax[1] ? tci1[1] : tcimax[1]) : tcimin[1];
1618 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1619 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1620 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1621 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1622 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);
1623 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);
1624 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);
1625 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);
1626 out4f[x*4+0] = c[0];
1627 out4f[x*4+1] = c[1];
1628 out4f[x*4+2] = c[2];
1629 out4f[x*4+3] = c[3];
1634 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1636 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1637 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1638 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1639 tci[0] = subtc[0]>>16;
1640 tci[1] = subtc[1]>>16;
1641 tci1[0] = tci[0] + 1;
1642 tci1[1] = tci[1] + 1;
1643 tci[0] &= tciwrapmask[0];
1644 tci[1] &= tciwrapmask[1];
1645 tci1[0] &= tciwrapmask[0];
1646 tci1[1] &= tciwrapmask[1];
1647 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1648 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1649 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1650 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1651 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);
1652 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);
1653 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);
1654 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);
1655 out4f[x*4+0] = c[0];
1656 out4f[x*4+1] = c[1];
1657 out4f[x*4+2] = c[2];
1658 out4f[x*4+3] = c[3];
1662 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1664 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1666 tci[0] = subtc[0]>>16;
1667 tci[1] = subtc[1]>>16;
1668 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1669 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1670 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1671 c[0] = pixel[0][2] * (1.0f / 255.0f);
1672 c[1] = pixel[0][1] * (1.0f / 255.0f);
1673 c[2] = pixel[0][0] * (1.0f / 255.0f);
1674 c[3] = pixel[0][3] * (1.0f / 255.0f);
1675 out4f[x*4+0] = c[0];
1676 out4f[x*4+1] = c[1];
1677 out4f[x*4+2] = c[2];
1678 out4f[x*4+3] = c[3];
1683 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1685 tci[0] = subtc[0]>>16;
1686 tci[1] = subtc[1]>>16;
1687 tci[0] &= tciwrapmask[0];
1688 tci[1] &= tciwrapmask[1];
1689 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1690 c[0] = pixel[0][2] * (1.0f / 255.0f);
1691 c[1] = pixel[0][1] * (1.0f / 255.0f);
1692 c[2] = pixel[0][0] * (1.0f / 255.0f);
1693 c[3] = pixel[0][3] * (1.0f / 255.0f);
1694 out4f[x*4+0] = c[0];
1695 out4f[x*4+1] = c[1];
1696 out4f[x*4+2] = c[2];
1697 out4f[x*4+3] = c[3];
1703 void DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
1707 int startx = span->startx;
1708 int endx = span->endx;
1710 __m128 data, slope, tcscale;
1711 __m128i tcsize, tcmask, tcoffset, tcmax;
1713 __m128i subtc, substep, endsubtc;
1716 unsigned int *outi = (unsigned int *)out4ub;
1717 const unsigned char * RESTRICT pixelbase;
1718 DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
1719 // if no texture is bound, just fill it with white
1722 memset(out4ub + startx*4, 255, span->length*4);
1725 mip = span->mip[texunitindex];
1726 // if this mipmap of the texture is 1 pixel, just fill it with that color
1727 if (texture->mipmap[mip][1] == 4)
1729 unsigned int k = *((const unsigned int *)texture->bytes);
1730 for (x = startx;x < endx;x++)
1734 filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
1735 data = _mm_load_ps(span->data[0][arrayindex]);
1736 slope = _mm_load_ps(span->data[1][arrayindex]);
1737 flags = texture->flags;
1738 pixelbase = (const unsigned char *)texture->bytes + texture->mipmap[mip][0];
1739 tcsize = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i *)&texture->mipmap[mip][0]), _MM_SHUFFLE(3, 2, 3, 2));
1740 tcmask = _mm_sub_epi32(tcsize, _mm_set1_epi32(1));
1741 tcscale = _mm_cvtepi32_ps(tcsize);
1742 data = _mm_mul_ps(_mm_shuffle_ps(data, data, _MM_SHUFFLE(1, 0, 1, 0)), tcscale);
1743 slope = _mm_mul_ps(_mm_shuffle_ps(slope, slope, _MM_SHUFFLE(1, 0, 1, 0)), tcscale);
1744 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));
1745 endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f)));
1746 tcoffset = _mm_add_epi32(_mm_slli_epi32(_mm_shuffle_epi32(tcsize, _MM_SHUFFLE(0, 0, 0, 0)), 18), _mm_set1_epi32(4));
1747 tcmax = filter ? _mm_packs_epi32(tcmask, tcmask) : _mm_slli_epi32(tcmask, 16);
1748 for (x = startx;x < endx;)
1750 int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
1751 __m128 subscale = _mm_set1_ps(65536.0f/DPSOFTRAST_MAXSUBSPAN);
1754 nextsub = endsub = endx-1;
1755 if(x < nextsub) subscale = _mm_set1_ps(65536.0f / (nextsub - x));
1759 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));
1760 substep = _mm_cvtps_epi32(_mm_mul_ps(_mm_sub_ps(endtc, tc), subscale));
1761 endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f)));
1764 __m128i tcrange = _mm_srai_epi32(_mm_unpacklo_epi64(subtc, _mm_add_epi32(endsubtc, substep)), 16);
1765 if (_mm_movemask_epi8(_mm_andnot_si128(_mm_cmplt_epi32(tcrange, _mm_setzero_si128()), _mm_cmplt_epi32(tcrange, tcmask))) == 0xFFFF)
1767 subtc = _mm_unpacklo_epi64(subtc, _mm_add_epi32(subtc, substep));
1768 substep = _mm_slli_epi32(substep, 1);
1769 for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
1771 __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;
1772 tci = _mm_madd_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 0x10000, 0, 0x10000)), tcoffset);
1773 pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_setzero_si128());
1774 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());
1775 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());
1776 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());
1777 fracm = _mm_srli_epi16(subtc, 1);
1778 pix1 = _mm_add_epi16(pix1,
1779 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1780 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1781 pix3 = _mm_add_epi16(pix3,
1782 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix3), 1),
1783 _mm_shuffle_epi32(_mm_shufflehi_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(3, 2, 3, 2))));
1784 pix2 = _mm_unpacklo_epi64(pix1, pix3);
1785 pix4 = _mm_unpackhi_epi64(pix1, pix3);
1786 pix2 = _mm_add_epi16(pix2,
1787 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix2), 1),
1788 _mm_shufflehi_epi16(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)), _MM_SHUFFLE(0, 0, 0, 0))));
1789 _mm_storel_epi64((__m128i *)&outi[x], _mm_packus_epi16(pix2, _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 2, 3, 2))));
1793 __m128i tci = _mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
1794 tci = _mm_madd_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 0x10000, 0, 0)), tcoffset);
1795 pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_setzero_si128());
1796 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());
1797 fracm = _mm_srli_epi16(subtc, 1);
1798 pix1 = _mm_add_epi16(pix1,
1799 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1800 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1801 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1802 pix1 = _mm_add_epi16(pix1,
1803 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1804 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1805 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1809 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1811 for (; x <= endsub; x++, subtc = _mm_add_epi32(subtc, substep))
1813 __m128i tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
1814 tci = _mm_min_epi16(_mm_max_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), _mm_setzero_si128()), tcmax);
1815 tci = _mm_madd_epi16(tci, tcoffset);
1816 pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
1817 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
1818 _mm_setzero_si128());
1819 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)))]),
1820 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
1821 _mm_setzero_si128());
1822 fracm = _mm_srli_epi16(subtc, 1);
1823 pix1 = _mm_add_epi16(pix1,
1824 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1825 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1826 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1827 pix1 = _mm_add_epi16(pix1,
1828 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1829 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1830 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1835 for (; x <= endsub; x++, subtc = _mm_add_epi32(subtc, substep))
1837 __m128i tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
1838 tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax);
1839 tci = _mm_madd_epi16(tci, tcoffset);
1840 pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
1841 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
1842 _mm_setzero_si128());
1843 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)))]),
1844 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
1845 _mm_setzero_si128());
1846 fracm = _mm_srli_epi16(subtc, 1);
1847 pix1 = _mm_add_epi16(pix1,
1848 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1849 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1850 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1851 pix1 = _mm_add_epi16(pix1,
1852 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1853 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1854 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1860 subtc = _mm_unpacklo_epi64(subtc, _mm_add_epi32(subtc, substep));
1861 substep = _mm_slli_epi32(substep, 1);
1862 if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1864 for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
1866 __m128i tci = _mm_min_epi16(_mm_max_epi16(subtc, _mm_setzero_si128()), tcmax);
1867 tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1));
1868 tci = _mm_madd_epi16(tci, tcoffset);
1869 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1870 outi[x+1] = *(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))];
1874 __m128i tci = _mm_min_epi16(_mm_max_epi16(subtc, _mm_setzero_si128()), tcmax);
1875 tci = _mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1));
1876 tci = _mm_madd_epi16(tci, tcoffset);
1877 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1883 for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
1885 __m128i tci = _mm_and_si128(subtc, tcmax);
1886 tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1));
1887 tci = _mm_madd_epi16(tci, tcoffset);
1888 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1889 outi[x+1] = *(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))];
1893 __m128i tci = _mm_and_si128(subtc, tcmax);
1894 tci = _mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1));
1895 tci = _mm_madd_epi16(tci, tcoffset);
1896 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1905 void DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
1908 memset(out4ub, 255, span->length*4);
1911 float DPSOFTRAST_SampleShadowmap(const float *vector)
1917 void DPSOFTRAST_Draw_Span_MultiplyVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, int arrayindex, const float *zf)
1920 int startx = span->startx;
1921 int endx = span->endx;
1926 data[0] = span->data[0][arrayindex][0];
1927 data[1] = span->data[0][arrayindex][1];
1928 data[2] = span->data[0][arrayindex][2];
1929 data[3] = span->data[0][arrayindex][3];
1930 slope[0] = span->data[1][arrayindex][0];
1931 slope[1] = span->data[1][arrayindex][1];
1932 slope[2] = span->data[1][arrayindex][2];
1933 slope[3] = span->data[1][arrayindex][3];
1934 for (x = startx;x < endx;x++)
1937 c[0] = (data[0] + slope[0]*x) * z;
1938 c[1] = (data[1] + slope[1]*x) * z;
1939 c[2] = (data[2] + slope[2]*x) * z;
1940 c[3] = (data[3] + slope[3]*x) * z;
1941 out4f[x*4+0] = in4f[x*4+0] * c[0];
1942 out4f[x*4+1] = in4f[x*4+1] * c[1];
1943 out4f[x*4+2] = in4f[x*4+2] * c[2];
1944 out4f[x*4+3] = in4f[x*4+3] * c[3];
1948 void DPSOFTRAST_Draw_Span_Varying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, int arrayindex, const float *zf)
1951 int startx = span->startx;
1952 int endx = span->endx;
1957 data[0] = span->data[0][arrayindex][0];
1958 data[1] = span->data[0][arrayindex][1];
1959 data[2] = span->data[0][arrayindex][2];
1960 data[3] = span->data[0][arrayindex][3];
1961 slope[0] = span->data[1][arrayindex][0];
1962 slope[1] = span->data[1][arrayindex][1];
1963 slope[2] = span->data[1][arrayindex][2];
1964 slope[3] = span->data[1][arrayindex][3];
1965 for (x = startx;x < endx;x++)
1968 c[0] = (data[0] + slope[0]*x) * z;
1969 c[1] = (data[1] + slope[1]*x) * z;
1970 c[2] = (data[2] + slope[2]*x) * z;
1971 c[3] = (data[3] + slope[3]*x) * z;
1972 out4f[x*4+0] = c[0];
1973 out4f[x*4+1] = c[1];
1974 out4f[x*4+2] = c[2];
1975 out4f[x*4+3] = c[3];
1979 void DPSOFTRAST_Draw_Span_AddBloom(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f, const float *subcolor)
1981 int x, startx = span->startx, endx = span->endx;
1982 float c[4], localcolor[4];
1983 localcolor[0] = subcolor[0];
1984 localcolor[1] = subcolor[1];
1985 localcolor[2] = subcolor[2];
1986 localcolor[3] = subcolor[3];
1987 for (x = startx;x < endx;x++)
1989 c[0] = inb4f[x*4+0] - localcolor[0];if (c[0] < 0.0f) c[0] = 0.0f;
1990 c[1] = inb4f[x*4+1] - localcolor[1];if (c[1] < 0.0f) c[1] = 0.0f;
1991 c[2] = inb4f[x*4+2] - localcolor[2];if (c[2] < 0.0f) c[2] = 0.0f;
1992 c[3] = inb4f[x*4+3] - localcolor[3];if (c[3] < 0.0f) c[3] = 0.0f;
1993 out4f[x*4+0] = ina4f[x*4+0] + c[0];
1994 out4f[x*4+1] = ina4f[x*4+1] + c[1];
1995 out4f[x*4+2] = ina4f[x*4+2] + c[2];
1996 out4f[x*4+3] = ina4f[x*4+3] + c[3];
2000 void DPSOFTRAST_Draw_Span_MultiplyBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2002 int x, startx = span->startx, endx = span->endx;
2003 for (x = startx;x < endx;x++)
2005 out4f[x*4+0] = ina4f[x*4+0] * inb4f[x*4+0];
2006 out4f[x*4+1] = ina4f[x*4+1] * inb4f[x*4+1];
2007 out4f[x*4+2] = ina4f[x*4+2] * inb4f[x*4+2];
2008 out4f[x*4+3] = ina4f[x*4+3] * inb4f[x*4+3];
2012 void DPSOFTRAST_Draw_Span_AddBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2014 int x, startx = span->startx, endx = span->endx;
2015 for (x = startx;x < endx;x++)
2017 out4f[x*4+0] = ina4f[x*4+0] + inb4f[x*4+0];
2018 out4f[x*4+1] = ina4f[x*4+1] + inb4f[x*4+1];
2019 out4f[x*4+2] = ina4f[x*4+2] + inb4f[x*4+2];
2020 out4f[x*4+3] = ina4f[x*4+3] + inb4f[x*4+3];
2024 void DPSOFTRAST_Draw_Span_MixBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2026 int x, startx = span->startx, endx = span->endx;
2028 for (x = startx;x < endx;x++)
2030 a = 1.0f - inb4f[x*4+3];
2032 out4f[x*4+0] = ina4f[x*4+0] * a + inb4f[x*4+0] * b;
2033 out4f[x*4+1] = ina4f[x*4+1] * a + inb4f[x*4+1] * b;
2034 out4f[x*4+2] = ina4f[x*4+2] * a + inb4f[x*4+2] * b;
2035 out4f[x*4+3] = ina4f[x*4+3] * a + inb4f[x*4+3] * b;
2039 void DPSOFTRAST_Draw_Span_MixUniformColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, const float *color)
2041 int x, startx = span->startx, endx = span->endx;
2042 float localcolor[4], ilerp, lerp;
2043 localcolor[0] = color[0];
2044 localcolor[1] = color[1];
2045 localcolor[2] = color[2];
2046 localcolor[3] = color[3];
2047 ilerp = 1.0f - localcolor[3];
2048 lerp = localcolor[3];
2049 for (x = startx;x < endx;x++)
2051 out4f[x*4+0] = in4f[x*4+0] * ilerp + localcolor[0] * lerp;
2052 out4f[x*4+1] = in4f[x*4+1] * ilerp + localcolor[1] * lerp;
2053 out4f[x*4+2] = in4f[x*4+2] * ilerp + localcolor[2] * lerp;
2054 out4f[x*4+3] = in4f[x*4+3] * ilerp + localcolor[3] * lerp;
2060 void DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, int arrayindex, const float *zf)
2063 int startx = span->startx;
2064 int endx = span->endx;
2068 data[2] = span->data[0][arrayindex][0];
2069 data[1] = span->data[0][arrayindex][1];
2070 data[0] = span->data[0][arrayindex][2];
2071 data[3] = span->data[0][arrayindex][3];
2072 slope[2] = span->data[1][arrayindex][0];
2073 slope[1] = span->data[1][arrayindex][1];
2074 slope[0] = span->data[1][arrayindex][2];
2075 slope[3] = span->data[1][arrayindex][3];
2076 for (x = startx;x < endx;x++)
2079 out4ub[x*4+0] = (int)(in4ub[x*4+0] * (data[0] + slope[0]*x) * z);
2080 out4ub[x*4+1] = (int)(in4ub[x*4+1] * (data[1] + slope[1]*x) * z);
2081 out4ub[x*4+2] = (int)(in4ub[x*4+2] * (data[2] + slope[2]*x) * z);
2082 out4ub[x*4+3] = (int)(in4ub[x*4+3] * (data[3] + slope[3]*x) * z);
2086 void DPSOFTRAST_Draw_Span_VaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, int arrayindex, const float *zf)
2089 int startx = span->startx;
2090 int endx = span->endx;
2094 data[2] = span->data[0][arrayindex][0]*255.0f;
2095 data[1] = span->data[0][arrayindex][1]*255.0f;
2096 data[0] = span->data[0][arrayindex][2]*255.0f;
2097 data[3] = span->data[0][arrayindex][3]*255.0f;
2098 slope[2] = span->data[1][arrayindex][0]*255.0f;
2099 slope[1] = span->data[1][arrayindex][1]*255.0f;
2100 slope[0] = span->data[1][arrayindex][2]*255.0f;
2101 slope[3] = span->data[1][arrayindex][3]*255.0f;
2102 for (x = startx;x < endx;x++)
2105 out4ub[x*4+0] = (int)((data[0] + slope[0]*x) * z);
2106 out4ub[x*4+1] = (int)((data[1] + slope[1]*x) * z);
2107 out4ub[x*4+2] = (int)((data[2] + slope[2]*x) * z);
2108 out4ub[x*4+3] = (int)((data[3] + slope[3]*x) * z);
2112 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)
2114 int x, startx = span->startx, endx = span->endx;
2115 int c[4], localcolor[4];
2116 localcolor[2] = (int)(subcolor[0] * 255.0f);
2117 localcolor[1] = (int)(subcolor[1] * 255.0f);
2118 localcolor[0] = (int)(subcolor[2] * 255.0f);
2119 localcolor[3] = (int)(subcolor[3] * 255.0f);
2120 for (x = startx;x < endx;x++)
2122 c[0] = inb4ub[x*4+0] - localcolor[0];if (c[0] < 0) c[0] = 0;
2123 c[1] = inb4ub[x*4+1] - localcolor[1];if (c[1] < 0) c[1] = 0;
2124 c[2] = inb4ub[x*4+2] - localcolor[2];if (c[2] < 0) c[2] = 0;
2125 c[3] = inb4ub[x*4+3] - localcolor[3];if (c[3] < 0) c[3] = 0;
2126 c[0] += ina4ub[x*4+0];if (c[0] > 255) c[0] = 255;
2127 c[1] += ina4ub[x*4+1];if (c[1] > 255) c[1] = 255;
2128 c[2] += ina4ub[x*4+2];if (c[2] > 255) c[2] = 255;
2129 c[3] += ina4ub[x*4+3];if (c[3] > 255) c[3] = 255;
2130 out4ub[x*4+0] = c[0];
2131 out4ub[x*4+1] = c[1];
2132 out4ub[x*4+2] = c[2];
2133 out4ub[x*4+3] = c[3];
2137 void DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2139 int x, startx = span->startx, endx = span->endx;
2140 for (x = startx;x < endx;x++)
2142 out4ub[x*4+0] = (ina4ub[x*4+0] * inb4ub[x*4+0])>>8;
2143 out4ub[x*4+1] = (ina4ub[x*4+1] * inb4ub[x*4+1])>>8;
2144 out4ub[x*4+2] = (ina4ub[x*4+2] * inb4ub[x*4+2])>>8;
2145 out4ub[x*4+3] = (ina4ub[x*4+3] * inb4ub[x*4+3])>>8;
2149 void DPSOFTRAST_Draw_Span_AddBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2151 int x, startx = span->startx, endx = span->endx;
2153 for (x = startx;x < endx;x++)
2155 d[0] = ina4ub[x*4+0] + inb4ub[x*4+0];if (d[0] > 255) d[0] = 255;
2156 d[1] = ina4ub[x*4+1] + inb4ub[x*4+1];if (d[1] > 255) d[1] = 255;
2157 d[2] = ina4ub[x*4+2] + inb4ub[x*4+2];if (d[2] > 255) d[2] = 255;
2158 d[3] = ina4ub[x*4+3] + inb4ub[x*4+3];if (d[3] > 255) d[3] = 255;
2159 out4ub[x*4+0] = d[0];
2160 out4ub[x*4+1] = d[1];
2161 out4ub[x*4+2] = d[2];
2162 out4ub[x*4+3] = d[3];
2166 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)
2168 int x, startx = span->startx, endx = span->endx;
2171 b[0] = (int)(inbtintbgra[0] * 256.0f);
2172 b[1] = (int)(inbtintbgra[1] * 256.0f);
2173 b[2] = (int)(inbtintbgra[2] * 256.0f);
2174 b[3] = (int)(inbtintbgra[3] * 256.0f);
2175 for (x = startx;x < endx;x++)
2177 d[0] = ina4ub[x*4+0] + ((inb4ub[x*4+0]*b[0])>>8);if (d[0] > 255) d[0] = 255;
2178 d[1] = ina4ub[x*4+1] + ((inb4ub[x*4+1]*b[1])>>8);if (d[1] > 255) d[1] = 255;
2179 d[2] = ina4ub[x*4+2] + ((inb4ub[x*4+2]*b[2])>>8);if (d[2] > 255) d[2] = 255;
2180 d[3] = ina4ub[x*4+3] + ((inb4ub[x*4+3]*b[3])>>8);if (d[3] > 255) d[3] = 255;
2181 out4ub[x*4+0] = d[0];
2182 out4ub[x*4+1] = d[1];
2183 out4ub[x*4+2] = d[2];
2184 out4ub[x*4+3] = d[3];
2188 void DPSOFTRAST_Draw_Span_MixBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2190 int x, startx = span->startx, endx = span->endx;
2192 for (x = startx;x < endx;x++)
2194 a = 256 - inb4ub[x*4+3];
2196 out4ub[x*4+0] = (ina4ub[x*4+0] * a + inb4ub[x*4+0] * b)>>8;
2197 out4ub[x*4+1] = (ina4ub[x*4+1] * a + inb4ub[x*4+1] * b)>>8;
2198 out4ub[x*4+2] = (ina4ub[x*4+2] * a + inb4ub[x*4+2] * b)>>8;
2199 out4ub[x*4+3] = (ina4ub[x*4+3] * a + inb4ub[x*4+3] * b)>>8;
2203 void DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, const float *color)
2205 int x, startx = span->startx, endx = span->endx;
2206 int localcolor[4], ilerp, lerp;
2207 localcolor[2] = (int)(color[0]*255.0f);
2208 localcolor[1] = (int)(color[1]*255.0f);
2209 localcolor[0] = (int)(color[2]*255.0f);
2210 localcolor[3] = (int)(color[3]*255.0f);
2211 ilerp = 256 - localcolor[3];
2212 lerp = localcolor[3];
2213 for (x = startx;x < endx;x++)
2215 out4ub[x*4+0] = (in4ub[x*4+0] * ilerp + localcolor[0] * lerp)>>8;
2216 out4ub[x*4+1] = (in4ub[x*4+1] * ilerp + localcolor[1] * lerp)>>8;
2217 out4ub[x*4+2] = (in4ub[x*4+2] * ilerp + localcolor[2] * lerp)>>8;
2218 out4ub[x*4+3] = (in4ub[x*4+3] * ilerp + localcolor[3] * lerp)>>8;
2224 void DPSOFTRAST_VertexShader_Generic(void)
2226 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);
2227 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
2228 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
2229 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2230 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
2233 void DPSOFTRAST_PixelShader_Generic(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2235 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2236 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2237 unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2238 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2239 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2240 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
2242 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_FIRST, 2, buffer_z);
2243 DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(span, buffer_FragColorbgra8, buffer_texture_colorbgra8, 1, buffer_z);
2244 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2246 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_SECOND, 2, buffer_z);
2247 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2250 DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2252 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2255 DPSOFTRAST_Draw_Span_AddBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2257 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
2260 DPSOFTRAST_Draw_Span_MixBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2265 DPSOFTRAST_Draw_Span_VaryingBGRA8(span, buffer_FragColorbgra8, 1, buffer_z);
2266 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2271 void DPSOFTRAST_VertexShader_PostProcess(void)
2273 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);
2274 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
2275 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
2278 void DPSOFTRAST_PixelShader_PostProcess(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2280 // TODO: optimize!! at the very least there is no reason to use texture sampling on the frame texture
2281 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2282 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2283 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2284 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2285 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_FragColorbgra8, GL20TU_FIRST, 2, buffer_z);
2286 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_BLOOM)
2288 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_SECOND, 3, buffer_z);
2289 DPSOFTRAST_Draw_Span_AddBloomBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_colorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_BloomColorSubtract * 4);
2291 DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_ViewTintColor * 4);
2292 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SATURATION)
2294 // TODO: implement saturation
2296 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GAMMARAMPS)
2298 // TODO: implement gammaramps
2300 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2305 void DPSOFTRAST_VertexShader_Depth_Or_Shadow(void)
2307 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);
2310 void DPSOFTRAST_PixelShader_Depth_Or_Shadow(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2312 // this is never called (because colormask is off when this shader is used)
2313 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2314 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2315 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2316 memset(buffer_FragColorbgra8, 0, span->length*4);
2317 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2322 void DPSOFTRAST_VertexShader_FlatColor(void)
2324 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);
2325 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);
2328 void DPSOFTRAST_PixelShader_FlatColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2330 int x, startx = span->startx, endx = span->endx;
2331 int Color_Ambienti[4];
2332 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2333 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2334 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2335 Color_Ambienti[2] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0]*256.0f);
2336 Color_Ambienti[1] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1]*256.0f);
2337 Color_Ambienti[0] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2]*256.0f);
2338 Color_Ambienti[3] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0] *256.0f);
2339 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2340 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
2341 for (x = startx;x < endx;x++)
2343 buffer_FragColorbgra8[x*4+0] = (buffer_texture_colorbgra8[x*4+0] * Color_Ambienti[0])>>8;
2344 buffer_FragColorbgra8[x*4+1] = (buffer_texture_colorbgra8[x*4+1] * Color_Ambienti[1])>>8;
2345 buffer_FragColorbgra8[x*4+2] = (buffer_texture_colorbgra8[x*4+2] * Color_Ambienti[2])>>8;
2346 buffer_FragColorbgra8[x*4+3] = (buffer_texture_colorbgra8[x*4+3] * Color_Ambienti[3])>>8;
2348 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2353 void DPSOFTRAST_VertexShader_VertexColor(void)
2355 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);
2356 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
2357 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);
2360 void DPSOFTRAST_PixelShader_VertexColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2362 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2363 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2364 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2365 int x, startx = span->startx, endx = span->endx;
2366 float Color_Ambient[4], Color_Diffuse[4];
2370 int arrayindex = DPSOFTRAST_ARRAY_COLOR;
2371 data[2] = span->data[0][arrayindex][0];
2372 data[1] = span->data[0][arrayindex][1];
2373 data[0] = span->data[0][arrayindex][2];
2374 data[3] = span->data[0][arrayindex][3];
2375 slope[2] = span->data[1][arrayindex][0];
2376 slope[1] = span->data[1][arrayindex][1];
2377 slope[0] = span->data[1][arrayindex][2];
2378 slope[3] = span->data[1][arrayindex][3];
2379 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2380 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2381 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2382 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2383 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2384 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2385 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2386 Color_Diffuse[3] = 0.0f;
2387 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2388 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
2389 for (x = startx;x < endx;x++)
2392 buffer_FragColorbgra8[x*4+0] = (int)(buffer_texture_colorbgra8[x*4+0] * (Color_Ambient[0] + ((data[0] + slope[0]*x) * z) * Color_Diffuse[0]));
2393 buffer_FragColorbgra8[x*4+1] = (int)(buffer_texture_colorbgra8[x*4+1] * (Color_Ambient[1] + ((data[1] + slope[1]*x) * z) * Color_Diffuse[1]));
2394 buffer_FragColorbgra8[x*4+2] = (int)(buffer_texture_colorbgra8[x*4+2] * (Color_Ambient[2] + ((data[2] + slope[2]*x) * z) * Color_Diffuse[2]));
2395 buffer_FragColorbgra8[x*4+3] = (int)(buffer_texture_colorbgra8[x*4+3] * (Color_Ambient[3] + ((data[3] + slope[3]*x) * z) * Color_Diffuse[3]));
2397 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2402 void DPSOFTRAST_VertexShader_Lightmap(void)
2404 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);
2405 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);
2406 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
2409 void DPSOFTRAST_PixelShader_Lightmap(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2412 unsigned char * RESTRICT pixelmask = span->pixelmask;
2413 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0] + span->start * 4;
2414 int x, startx = span->startx, endx = span->endx;
2415 __m128i Color_Ambientm, Color_Diffusem, Color_Glowm, Color_AmbientGlowm;
2416 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2417 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2418 unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2419 unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2420 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2421 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2422 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2423 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_LIGHTMAP, DPSOFTRAST_ARRAY_TEXCOORD4, buffer_z);
2424 if (dpsoftrast.user.alphatest || dpsoftrast.fb_blendmode != DPSOFTRAST_BLENDMODE_OPAQUE)
2425 pixel = buffer_FragColorbgra8;
2426 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));
2427 Color_Ambientm = _mm_and_si128(Color_Ambientm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2428 Color_Ambientm = _mm_or_si128(Color_Ambientm, _mm_setr_epi32(0, 0, 0, (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0]*255.0f)));
2429 Color_Ambientm = _mm_packs_epi32(Color_Ambientm, Color_Ambientm);
2430 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));
2431 Color_Diffusem = _mm_and_si128(Color_Diffusem, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2432 Color_Diffusem = _mm_packs_epi32(Color_Diffusem, Color_Diffusem);
2433 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2435 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2436 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));
2437 Color_Glowm = _mm_and_si128(Color_Glowm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2438 Color_Glowm = _mm_packs_epi32(Color_Glowm, Color_Glowm);
2439 Color_AmbientGlowm = _mm_unpacklo_epi64(Color_Ambientm, Color_Glowm);
2440 for (x = startx;x < endx;x++)
2442 __m128i color, lightmap, glow, pix;
2443 if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101)
2446 color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]);
2447 lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]);
2448 glow = _mm_loadu_si128((const __m128i *)&buffer_texture_glowbgra8[x*4]);
2449 pix = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2450 _mm_unpacklo_epi8(_mm_setzero_si128(), color)),
2451 _mm_mulhi_epu16(Color_Glowm, _mm_unpacklo_epi8(_mm_setzero_si128(), glow)));
2452 pix2 = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2453 _mm_unpackhi_epi8(_mm_setzero_si128(), color)),
2454 _mm_mulhi_epu16(Color_Glowm, _mm_unpackhi_epi8(_mm_setzero_si128(), glow)));
2455 _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2));
2461 color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4]));
2462 lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4]));
2463 glow = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_glowbgra8[x*4]));
2464 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, lightmap), Color_AmbientGlowm), _mm_unpacklo_epi64(color, glow));
2465 pix = _mm_add_epi16(pix, _mm_shuffle_epi32(pix, _MM_SHUFFLE(3, 2, 3, 2)));
2466 *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
2471 for (x = startx;x < endx;x++)
2473 __m128i color, lightmap, pix;
2474 if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101)
2477 color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]);
2478 lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]);
2479 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2480 _mm_unpacklo_epi8(_mm_setzero_si128(), color));
2481 pix2 = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2482 _mm_unpackhi_epi8(_mm_setzero_si128(), color));
2483 _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2));
2489 color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4]));
2490 lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4]));
2491 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(lightmap, Color_Diffusem), Color_Ambientm), color);
2492 *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
2495 if(pixel == buffer_FragColorbgra8)
2496 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2502 void DPSOFTRAST_VertexShader_FakeLight(void)
2504 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);
2507 void DPSOFTRAST_PixelShader_FakeLight(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2510 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2511 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2512 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2513 memset(buffer_FragColorbgra8, 0, span->length*4);
2514 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2519 void DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace(void)
2521 DPSOFTRAST_VertexShader_Lightmap();
2524 void DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2526 DPSOFTRAST_PixelShader_Lightmap(span);
2532 void DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace(void)
2534 DPSOFTRAST_VertexShader_Lightmap();
2537 void DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2539 DPSOFTRAST_PixelShader_Lightmap(span);
2545 void DPSOFTRAST_VertexShader_LightDirection(void)
2548 int numvertices = dpsoftrast.draw.numvertices;
2550 float LightVector[4];
2551 float EyePosition[4];
2552 float EyeVectorModelSpace[4];
2558 LightDir[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+0];
2559 LightDir[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+1];
2560 LightDir[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+2];
2561 LightDir[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+3];
2562 EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
2563 EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
2564 EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
2565 EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
2566 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);
2567 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);
2568 for (i = 0;i < numvertices;i++)
2570 position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
2571 position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
2572 position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
2573 svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
2574 svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
2575 svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
2576 tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
2577 tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
2578 tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
2579 normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
2580 normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
2581 normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
2582 LightVector[0] = svector[0] * LightDir[0] + svector[1] * LightDir[1] + svector[2] * LightDir[2];
2583 LightVector[1] = tvector[0] * LightDir[0] + tvector[1] * LightDir[1] + tvector[2] * LightDir[2];
2584 LightVector[2] = normal[0] * LightDir[0] + normal[1] * LightDir[1] + normal[2] * LightDir[2];
2585 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
2586 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
2587 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
2588 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
2589 EyeVectorModelSpace[0] = EyePosition[0] - position[0];
2590 EyeVectorModelSpace[1] = EyePosition[1] - position[1];
2591 EyeVectorModelSpace[2] = EyePosition[2] - position[2];
2592 EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
2593 EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
2594 EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
2595 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
2596 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
2597 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
2598 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
2602 #define DPSOFTRAST_Min(a,b) ((a) < (b) ? (a) : (b))
2603 #define DPSOFTRAST_Max(a,b) ((a) > (b) ? (a) : (b))
2604 #define DPSOFTRAST_Vector3Dot(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
2605 #define DPSOFTRAST_Vector3LengthSquared(v) (DPSOFTRAST_Vector3Dot((v),(v)))
2606 #define DPSOFTRAST_Vector3Length(v) (sqrt(DPSOFTRAST_Vector3LengthSquared(v)))
2607 #define DPSOFTRAST_Vector3Normalize(v)\
2610 float len = sqrt(DPSOFTRAST_Vector3Dot(v,v));\
2621 void DPSOFTRAST_PixelShader_LightDirection(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2623 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2624 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2625 unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2626 unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2627 unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2628 unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2629 unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2630 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2631 int x, startx = span->startx, endx = span->endx;
2632 float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
2633 float LightVectordata[4];
2634 float LightVectorslope[4];
2635 float EyeVectordata[4];
2636 float EyeVectorslope[4];
2638 float diffusetex[4];
2640 float surfacenormal[4];
2641 float lightnormal[4];
2643 float specularnormal[4];
2646 float SpecularPower;
2648 Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
2649 Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
2650 Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
2651 Color_Glow[3] = 0.0f;
2652 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2653 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2654 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2655 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2656 Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
2657 Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
2658 Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
2659 Color_Pants[3] = 0.0f;
2660 Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
2661 Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
2662 Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
2663 Color_Shirt[3] = 0.0f;
2664 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2665 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2666 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2668 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2669 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2671 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2673 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2675 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2677 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2678 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2679 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2680 Color_Diffuse[3] = 0.0f;
2681 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2682 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2683 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2684 LightColor[3] = 0.0f;
2685 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2686 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2687 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2688 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2689 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2690 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2691 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2692 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2693 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2694 Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
2695 Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
2696 Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
2697 Color_Specular[3] = 0.0f;
2698 SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
2699 EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2700 EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2701 EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2702 EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2703 EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2704 EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2705 EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2706 EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2707 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2708 for (x = startx;x < endx;x++)
2711 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2712 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2713 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2714 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2715 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2717 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
2718 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
2719 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
2720 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
2722 glosstex[0] = buffer_texture_glossbgra8[x*4+0];
2723 glosstex[1] = buffer_texture_glossbgra8[x*4+1];
2724 glosstex[2] = buffer_texture_glossbgra8[x*4+2];
2725 glosstex[3] = buffer_texture_glossbgra8[x*4+3];
2726 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
2727 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
2728 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
2729 DPSOFTRAST_Vector3Normalize(surfacenormal);
2731 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
2732 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
2733 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
2734 DPSOFTRAST_Vector3Normalize(lightnormal);
2736 eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
2737 eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
2738 eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
2739 DPSOFTRAST_Vector3Normalize(eyenormal);
2741 specularnormal[0] = lightnormal[0] + eyenormal[0];
2742 specularnormal[1] = lightnormal[1] + eyenormal[1];
2743 specularnormal[2] = lightnormal[2] + eyenormal[2];
2744 DPSOFTRAST_Vector3Normalize(specularnormal);
2746 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
2747 specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
2748 specular = pow(specular, SpecularPower * glosstex[3]);
2749 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2751 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;
2752 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;
2753 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;
2754 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2758 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;
2759 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;
2760 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;
2761 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2763 buffer_FragColorbgra8[x*4+0] = d[0];
2764 buffer_FragColorbgra8[x*4+1] = d[1];
2765 buffer_FragColorbgra8[x*4+2] = d[2];
2766 buffer_FragColorbgra8[x*4+3] = d[3];
2769 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
2771 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2772 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2773 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2774 Color_Diffuse[3] = 0.0f;
2775 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2776 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2777 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2778 LightColor[3] = 0.0f;
2779 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2780 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2781 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2782 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2783 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2784 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2785 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2786 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2787 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2788 for (x = startx;x < endx;x++)
2791 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2792 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2793 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2794 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2795 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
2796 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
2797 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
2798 DPSOFTRAST_Vector3Normalize(surfacenormal);
2800 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
2801 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
2802 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
2803 DPSOFTRAST_Vector3Normalize(lightnormal);
2805 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
2806 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2808 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;
2809 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;
2810 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;
2811 d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
2815 d[0] = (int)( + diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse * LightColor[0]));if (d[0] > 255) d[0] = 255;
2816 d[1] = (int)( + diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse * LightColor[1]));if (d[1] > 255) d[1] = 255;
2817 d[2] = (int)( + diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse * LightColor[2]));if (d[2] > 255) d[2] = 255;
2818 d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
2820 buffer_FragColorbgra8[x*4+0] = d[0];
2821 buffer_FragColorbgra8[x*4+1] = d[1];
2822 buffer_FragColorbgra8[x*4+2] = d[2];
2823 buffer_FragColorbgra8[x*4+3] = d[3];
2828 for (x = startx;x < endx;x++)
2831 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2832 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2833 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2834 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2836 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2838 d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
2839 d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
2840 d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
2841 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2845 d[0] = (int)( diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
2846 d[1] = (int)( diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
2847 d[2] = (int)( diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
2848 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2850 buffer_FragColorbgra8[x*4+0] = d[0];
2851 buffer_FragColorbgra8[x*4+1] = d[1];
2852 buffer_FragColorbgra8[x*4+2] = d[2];
2853 buffer_FragColorbgra8[x*4+3] = d[3];
2856 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2861 void DPSOFTRAST_VertexShader_LightSource(void)
2864 int numvertices = dpsoftrast.draw.numvertices;
2865 float LightPosition[4];
2866 float LightVector[4];
2867 float LightVectorModelSpace[4];
2868 float EyePosition[4];
2869 float EyeVectorModelSpace[4];
2875 LightPosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+0];
2876 LightPosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+1];
2877 LightPosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+2];
2878 LightPosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+3];
2879 EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
2880 EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
2881 EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
2882 EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
2883 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);
2884 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);
2885 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);
2886 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
2887 for (i = 0;i < numvertices;i++)
2889 position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
2890 position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
2891 position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
2892 svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
2893 svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
2894 svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
2895 tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
2896 tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
2897 tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
2898 normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
2899 normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
2900 normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
2901 LightVectorModelSpace[0] = LightPosition[0] - position[0];
2902 LightVectorModelSpace[1] = LightPosition[1] - position[1];
2903 LightVectorModelSpace[2] = LightPosition[2] - position[2];
2904 LightVector[0] = svector[0] * LightVectorModelSpace[0] + svector[1] * LightVectorModelSpace[1] + svector[2] * LightVectorModelSpace[2];
2905 LightVector[1] = tvector[0] * LightVectorModelSpace[0] + tvector[1] * LightVectorModelSpace[1] + tvector[2] * LightVectorModelSpace[2];
2906 LightVector[2] = normal[0] * LightVectorModelSpace[0] + normal[1] * LightVectorModelSpace[1] + normal[2] * LightVectorModelSpace[2];
2907 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
2908 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
2909 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
2910 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
2911 EyeVectorModelSpace[0] = EyePosition[0] - position[0];
2912 EyeVectorModelSpace[1] = EyePosition[1] - position[1];
2913 EyeVectorModelSpace[2] = EyePosition[2] - position[2];
2914 EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
2915 EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
2916 EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
2917 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
2918 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
2919 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
2920 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
2924 void DPSOFTRAST_PixelShader_LightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2926 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2927 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2928 unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2929 unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2930 unsigned char buffer_texture_cubebgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2931 unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2932 unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2933 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2934 int x, startx = span->startx, endx = span->endx;
2935 float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
2936 float CubeVectordata[4];
2937 float CubeVectorslope[4];
2938 float LightVectordata[4];
2939 float LightVectorslope[4];
2940 float EyeVectordata[4];
2941 float EyeVectorslope[4];
2943 float diffusetex[4];
2945 float surfacenormal[4];
2946 float lightnormal[4];
2948 float specularnormal[4];
2951 float SpecularPower;
2952 float CubeVector[4];
2955 Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
2956 Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
2957 Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
2958 Color_Glow[3] = 0.0f;
2959 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2960 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2961 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2962 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2963 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2964 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2965 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2966 Color_Diffuse[3] = 0.0f;
2967 Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
2968 Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
2969 Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
2970 Color_Specular[3] = 0.0f;
2971 Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
2972 Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
2973 Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
2974 Color_Pants[3] = 0.0f;
2975 Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
2976 Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
2977 Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
2978 Color_Shirt[3] = 0.0f;
2979 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2980 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2981 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2982 LightColor[3] = 0.0f;
2983 SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
2984 EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2985 EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2986 EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2987 EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2988 EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2989 EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2990 EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2991 EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2992 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2993 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2994 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2995 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2996 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2997 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2998 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2999 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
3000 CubeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][0];
3001 CubeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][1];
3002 CubeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][2];
3003 CubeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][3];
3004 CubeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][0];
3005 CubeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][1];
3006 CubeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][2];
3007 CubeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][3];
3008 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3009 memset(buffer_FragColorbgra8 + startx*4, 0, (endx-startx)*4); // clear first, because we skip writing black pixels, and there are a LOT of them...
3010 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3011 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3013 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3014 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3016 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3017 DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(span, buffer_texture_cubebgra8, GL20TU_CUBE, DPSOFTRAST_ARRAY_TEXCOORD3, buffer_z);
3018 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
3020 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3021 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3022 for (x = startx;x < endx;x++)
3025 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3026 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3027 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3028 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3029 if (attenuation < 0.01f)
3031 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3033 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3034 if (attenuation < 0.01f)
3038 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3039 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3040 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3041 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3042 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3044 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3045 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3046 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3047 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3049 glosstex[0] = buffer_texture_glossbgra8[x*4+0];
3050 glosstex[1] = buffer_texture_glossbgra8[x*4+1];
3051 glosstex[2] = buffer_texture_glossbgra8[x*4+2];
3052 glosstex[3] = buffer_texture_glossbgra8[x*4+3];
3053 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
3054 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
3055 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
3056 DPSOFTRAST_Vector3Normalize(surfacenormal);
3058 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
3059 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
3060 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
3061 DPSOFTRAST_Vector3Normalize(lightnormal);
3063 eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
3064 eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
3065 eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
3066 DPSOFTRAST_Vector3Normalize(eyenormal);
3068 specularnormal[0] = lightnormal[0] + eyenormal[0];
3069 specularnormal[1] = lightnormal[1] + eyenormal[1];
3070 specularnormal[2] = lightnormal[2] + eyenormal[2];
3071 DPSOFTRAST_Vector3Normalize(specularnormal);
3073 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
3074 specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
3075 specular = pow(specular, SpecularPower * glosstex[3]);
3076 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3078 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3079 attenuation *= (1.0f / 255.0f);
3080 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;
3081 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;
3082 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;
3083 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3087 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;
3088 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;
3089 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;
3090 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3092 buffer_FragColorbgra8[x*4+0] = d[0];
3093 buffer_FragColorbgra8[x*4+1] = d[1];
3094 buffer_FragColorbgra8[x*4+2] = d[2];
3095 buffer_FragColorbgra8[x*4+3] = d[3];
3098 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
3100 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3101 for (x = startx;x < endx;x++)
3104 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3105 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3106 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3107 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3108 if (attenuation < 0.01f)
3110 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3112 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3113 if (attenuation < 0.01f)
3117 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3118 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3119 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3120 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3121 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3123 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3124 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3125 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3126 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3128 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
3129 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
3130 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
3131 DPSOFTRAST_Vector3Normalize(surfacenormal);
3133 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
3134 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
3135 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
3136 DPSOFTRAST_Vector3Normalize(lightnormal);
3138 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
3139 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3141 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3142 attenuation *= (1.0f / 255.0f);
3143 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;
3144 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;
3145 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;
3146 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3150 d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse)) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
3151 d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse)) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
3152 d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse)) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
3153 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3155 buffer_FragColorbgra8[x*4+0] = d[0];
3156 buffer_FragColorbgra8[x*4+1] = d[1];
3157 buffer_FragColorbgra8[x*4+2] = d[2];
3158 buffer_FragColorbgra8[x*4+3] = d[3];
3163 for (x = startx;x < endx;x++)
3166 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3167 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3168 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3169 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3170 if (attenuation < 0.01f)
3172 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3174 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3175 if (attenuation < 0.01f)
3179 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3180 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3181 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3182 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3183 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3185 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3186 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3187 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3188 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3190 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3192 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3193 attenuation *= (1.0f / 255.0f);
3194 d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255;
3195 d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255;
3196 d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255;
3197 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3201 d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
3202 d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
3203 d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
3204 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3206 buffer_FragColorbgra8[x*4+0] = d[0];
3207 buffer_FragColorbgra8[x*4+1] = d[1];
3208 buffer_FragColorbgra8[x*4+2] = d[2];
3209 buffer_FragColorbgra8[x*4+3] = d[3];
3212 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3217 void DPSOFTRAST_VertexShader_Refraction(void)
3219 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);
3222 void DPSOFTRAST_PixelShader_Refraction(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3225 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3226 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3227 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3228 memset(buffer_FragColorbgra8, 0, span->length*4);
3229 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3234 void DPSOFTRAST_VertexShader_Water(void)
3236 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);
3240 void DPSOFTRAST_PixelShader_Water(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3243 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3244 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3245 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3246 memset(buffer_FragColorbgra8, 0, span->length*4);
3247 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3252 void DPSOFTRAST_VertexShader_ShowDepth(void)
3254 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);
3257 void DPSOFTRAST_PixelShader_ShowDepth(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3260 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3261 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3262 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3263 memset(buffer_FragColorbgra8, 0, span->length*4);
3264 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3269 void DPSOFTRAST_VertexShader_DeferredGeometry(void)
3271 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);
3274 void DPSOFTRAST_PixelShader_DeferredGeometry(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3277 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3278 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3279 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3280 memset(buffer_FragColorbgra8, 0, span->length*4);
3281 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3286 void DPSOFTRAST_VertexShader_DeferredLightSource(void)
3288 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);
3291 void DPSOFTRAST_PixelShader_DeferredLightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3294 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3295 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3296 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3297 memset(buffer_FragColorbgra8, 0, span->length*4);
3298 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3303 typedef struct DPSOFTRAST_ShaderModeInfo_s
3306 void (*Vertex)(void);
3307 void (*Span)(const DPSOFTRAST_State_Draw_Span * RESTRICT span);
3309 DPSOFTRAST_ShaderModeInfo;
3311 DPSOFTRAST_ShaderModeInfo DPSOFTRAST_ShaderModeTable[SHADERMODE_COUNT] =
3313 {2, DPSOFTRAST_VertexShader_Generic, DPSOFTRAST_PixelShader_Generic, },
3314 {2, DPSOFTRAST_VertexShader_PostProcess, DPSOFTRAST_PixelShader_PostProcess, },
3315 {2, DPSOFTRAST_VertexShader_Depth_Or_Shadow, DPSOFTRAST_PixelShader_Depth_Or_Shadow, },
3316 {2, DPSOFTRAST_VertexShader_FlatColor, DPSOFTRAST_PixelShader_FlatColor, },
3317 {2, DPSOFTRAST_VertexShader_VertexColor, DPSOFTRAST_PixelShader_VertexColor, },
3318 {2, DPSOFTRAST_VertexShader_Lightmap, DPSOFTRAST_PixelShader_Lightmap, },
3319 {2, DPSOFTRAST_VertexShader_FakeLight, DPSOFTRAST_PixelShader_FakeLight, },
3320 {2, DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace, DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace, },
3321 {2, DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace, DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace},
3322 {2, DPSOFTRAST_VertexShader_LightDirection, DPSOFTRAST_PixelShader_LightDirection, },
3323 {2, DPSOFTRAST_VertexShader_LightSource, DPSOFTRAST_PixelShader_LightSource, },
3324 {2, DPSOFTRAST_VertexShader_Refraction, DPSOFTRAST_PixelShader_Refraction, },
3325 {2, DPSOFTRAST_VertexShader_Water, DPSOFTRAST_PixelShader_Water, },
3326 {2, DPSOFTRAST_VertexShader_ShowDepth, DPSOFTRAST_PixelShader_ShowDepth, },
3327 {2, DPSOFTRAST_VertexShader_DeferredGeometry, DPSOFTRAST_PixelShader_DeferredGeometry, },
3328 {2, DPSOFTRAST_VertexShader_DeferredLightSource, DPSOFTRAST_PixelShader_DeferredLightSource, }
3333 void DPSOFTRAST_Draw_ProcessSpans(void)
3339 int numspans = dpsoftrast.draw.numspans;
3341 // unsigned int *colorpixel;
3342 unsigned int *depthpixel;
3348 DPSOFTRAST_State_Draw_Span *span = dpsoftrast.draw.spanqueue;
3349 unsigned char pixelmask[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3350 for (i = 0;i < numspans;i++, span++)
3352 w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
3353 wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
3354 if (dpsoftrast.user.depthtest && dpsoftrast.fb_depthpixels)
3356 depth = (int)(w*DPSOFTRAST_DEPTHSCALE);
3357 depthslope = (int)(wslope*DPSOFTRAST_DEPTHSCALE);
3358 depthpixel = dpsoftrast.fb_depthpixels + span->start;
3359 switch(dpsoftrast.fb_depthfunc)
3362 case GL_ALWAYS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = true; break;
3363 case GL_LESS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] < d; break;
3364 case GL_LEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] <= d; break;
3365 case GL_EQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] == d; break;
3366 case GL_GEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] >= d; break;
3367 case GL_GREATER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] > d; break;
3368 case GL_NEVER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = false; break;
3370 //colorpixel = dpsoftrast.fb_colorpixels[0] + span->start;
3371 //for (x = 0;x < span->length;x++)
3372 // colorpixel[x] = (depthpixel[x] & 0xFF000000) ? (0x00FF0000) : (depthpixel[x] & 0x00FF0000);
3373 // if there is no color buffer, skip pixel shader
3375 endx = span->length;
3376 while (startx < endx && !pixelmask[startx])
3378 while (endx > startx && !pixelmask[endx-1])
3381 continue; // no pixels to fill
3382 span->pixelmask = pixelmask;
3383 span->startx = startx;
3385 // run pixel shader if appropriate
3386 // do this before running depthmask code, to allow the pixelshader
3387 // to clear pixelmask values for alpha testing
3388 if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
3389 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
3390 if (dpsoftrast.user.depthmask)
3391 for (x = 0, d = depth;x < span->length;x++, d += depthslope)
3397 // no depth testing means we're just dealing with color...
3398 // if there is no color buffer, skip pixel shader
3399 if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
3401 memset(pixelmask, 1, span->length);
3402 span->pixelmask = pixelmask;
3404 span->endx = span->length;
3405 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
3411 void DPSOFTRAST_Draw_ProcessTriangles(int firstvertex, int numtriangles, const int *element3i, const unsigned short *element3s, unsigned char *arraymask)
3414 int cullface = dpsoftrast.user.cullface;
3415 int width = dpsoftrast.fb_width;
3416 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
3596 __m128i cc = _mm_cmplt_epi16(screenmax, screenmin);
3597 if (_mm_extract_epi16(cc, 0)|_mm_extract_epi16(cc, 1))
3600 starty = _mm_extract_epi16(screenmin, 1);
3601 endy = _mm_extract_epi16(screenmax, 1)+1;
3602 screeny = _mm_srai_epi32(screeni, 16);
3605 // okay, this triangle is going to produce spans, we'd better project
3606 // the interpolants now (this is what gives perspective texturing),
3607 // this consists of simply multiplying all arrays by the W coord
3608 // (which is basically 1/Z), which will be undone per-pixel
3609 // (multiplying by Z again) to get the perspective-correct array
3611 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3615 for (k = 0;k < numpoints;k++)
3617 proj[j][k] = _mm_mul_ps(clipped[j][k], _mm_shuffle_ps(screen[k], screen[k], _MM_SHUFFLE(3, 3, 3, 3)));
3621 // adjust texture LOD by texture density, in the simplest way possible...
3622 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)));
3623 mipedgescale = _mm_mul_ps(mipedgescale, mipedgescale);
3624 mipedgescale = _mm_rcp_ps(_mm_add_ps(mipedgescale, _mm_shuffle_ps(mipedgescale, mipedgescale, _MM_SHUFFLE(2, 3, 0, 1))));
3625 for (j = 0;j < DPSOFTRAST_MAXTEXTUREUNITS;j++)
3627 texture = dpsoftrast.texbound[j];
3631 if (texture->filter <= DPSOFTRAST_TEXTURE_FILTER_LINEAR)
3636 k = DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].lodarrayindex;
3637 mipedgetc = _mm_sub_ps(_mm_shuffle_ps(clipped[k][0], clipped[k][2], _MM_SHUFFLE(1, 0, 1, 0)),
3638 _mm_shuffle_ps(clipped[k][1], clipped[k][1], _MM_SHUFFLE(1, 0, 1, 0)));
3639 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))));
3640 mipedgetc = _mm_mul_ps(mipedgetc, mipedgetc);
3641 mipedgetc = _mm_add_ps(mipedgetc, _mm_shuffle_ps(mipedgetc, mipedgetc, _MM_SHUFFLE(2, 3, 0, 1)));
3642 mipedgetc = _mm_mul_ps(mipedgetc, mipedgescale);
3643 mipedgetc = _mm_min_ss(mipedgetc, _mm_shuffle_ps(mipedgetc, mipedgetc, _MM_SHUFFLE(2, 2, 2, 2)));
3644 _mm_store_ss(&mipdensity, mipedgetc);
3645 // this will be multiplied in the texturing routine by the texture resolution
3646 y = (int)(log(mipdensity)/log(2.0f));
3649 if (y > texture->mipmaps - 1)
3650 y = texture->mipmaps - 1;
3654 // iterate potential spans
3655 // TODO: optimize? if we figured out the edge order beforehand, this
3656 // could do loops over the edges in the proper order rather than
3657 // selecting them for each span
3658 // TODO: optimize? the edges could have data slopes calculated
3659 // TODO: optimize? the data slopes could be calculated as a plane
3660 // (2D slopes) to avoid any interpolation along edges at all
3661 for (y = starty+1;y < endy;)
3664 __m128 edge0lerp, edge1lerp, edge0scale, edge1scale;
3665 __m128i screenycc = _mm_cmpgt_epi32(_mm_set1_epi32(y), screeny);
3666 int screenymask = _mm_movemask_epi8(screenycc);
3672 case 0xFFFF: /*0000*/ y++; continue;
3673 case 0xFFF0: /*1000*/ edge0p = 3;edge0n = 0;edge1p = 1;edge1n = 0;break;
3674 case 0xFF0F: /*0100*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 1;break;
3675 case 0xFF00: /*1100*/ edge0p = 3;edge0n = 0;edge1p = 2;edge1n = 1;break;
3676 case 0xF0FF: /*0010*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 2;break;
3677 case 0xF0F0: /*1010*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 2;break; // concave - nonsense
3678 case 0xF00F: /*0110*/ edge0p = 0;edge0n = 1;edge1p = 3;edge1n = 2;break;
3679 case 0xF000: /*1110*/ edge0p = 3;edge0n = 0;edge1p = 3;edge1n = 2;break;
3680 case 0x0FFF: /*0001*/ edge0p = 2;edge0n = 3;edge1p = 0;edge1n = 3;break;
3681 case 0x0FF0: /*1001*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 0;break;
3682 case 0x0F0F: /*0101*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 2;break; // concave - nonsense
3683 case 0x0F00: /*1101*/ edge0p = 2;edge0n = 3;edge1p = 2;edge1n = 1;break;
3684 case 0x00FF: /*0011*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 3;break;
3685 case 0x00F0: /*1011*/ edge0p = 1;edge0n = 2;edge1p = 1;edge1n = 0;break;
3686 case 0x000F: /*0111*/ edge0p = 0;edge0n = 1;edge1p = 0;edge1n = 3;break;
3687 case 0x0000: /*1111*/ y++; continue;
3695 case 0xFFFF: /*000*/ y++; continue;
3696 case 0xFFF0: /*100*/ edge0p = 2;edge0n = 0;edge1p = 1;edge1n = 0;break;
3697 case 0xFF0F: /*010*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 1;break;
3698 case 0xFF00: /*110*/ edge0p = 2;edge0n = 0;edge1p = 2;edge1n = 1;break;
3699 case 0x00FF: /*001*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 2;break;
3700 case 0x00F0: /*101*/ edge0p = 1;edge0n = 2;edge1p = 1;edge1n = 0;break;
3701 case 0x000F: /*011*/ edge0p = 0;edge0n = 1;edge1p = 0;edge1n = 2;break;
3702 case 0x0000: /*111*/ y++; continue;
3705 screenycc = _mm_max_epi16(_mm_srli_epi16(screenycc, 1), screeny);
3706 screenycc = _mm_min_epi16(screenycc, _mm_shuffle_epi32(screenycc, _MM_SHUFFLE(1, 0, 3, 2)));
3707 screenycc = _mm_min_epi16(screenycc, _mm_shuffle_epi32(screenycc, _MM_SHUFFLE(2, 3, 0, 1)));
3708 nexty = _mm_extract_epi16(screenycc, 0);
3709 if(nexty >= endy) nexty = endy-1;
3710 if (_mm_ucomigt_ss(_mm_max_ps(screen[edge0n], screen[edge0p]), _mm_min_ps(screen[edge1n], screen[edge1p])))
3719 edge0lerp = _mm_shuffle_ps(screen[edge0p], screen[edge0p], _MM_SHUFFLE(1, 1, 1, 1));
3720 edge0scale = _mm_div_ss(_mm_set1_ps(1.0f), _mm_sub_ss(_mm_shuffle_ps(screen[edge0n], screen[edge0n], _MM_SHUFFLE(1, 1, 1, 1)), edge0lerp));
3721 edge0scale = _mm_shuffle_ps(edge0scale, edge0scale, _MM_SHUFFLE(0, 0, 0, 0));
3722 edge0lerp = _mm_mul_ps(_mm_sub_ps(_mm_set1_ps(y), edge0lerp), edge0scale);
3723 edge1lerp = _mm_shuffle_ps(screen[edge1p], screen[edge1p], _MM_SHUFFLE(1, 1, 1, 1));
3724 edge1scale = _mm_div_ss(_mm_set1_ps(1.0f), _mm_sub_ss(_mm_shuffle_ps(screen[edge1n], screen[edge1n], _MM_SHUFFLE(1, 1, 1, 1)), edge1lerp));
3725 edge1scale = _mm_shuffle_ps(edge1scale, edge1scale, _MM_SHUFFLE(0, 0, 0, 0));
3726 edge1lerp = _mm_mul_ps(_mm_sub_ps(_mm_set1_ps(y), edge1lerp), edge1scale);
3727 for(; y <= nexty; y++, edge0lerp = _mm_add_ps(edge0lerp, edge0scale), edge1lerp = _mm_add_ps(edge1lerp, edge1scale))
3729 __m128 data0, data1, spanilength, startxlerp;
3731 if (_mm_ucomilt_ss(edge0lerp, _mm_setzero_ps()) || _mm_ucomilt_ss(edge1lerp, _mm_setzero_ps()) ||
3732 _mm_ucomigt_ss(edge0lerp, _mm_set1_ps(1)) || _mm_ucomigt_ss(edge1lerp, _mm_set1_ps(1)))
3735 data0 = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(screen[edge0n], screen[edge0p]), edge0lerp), screen[edge0p]);
3736 data1 = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(screen[edge1n], screen[edge1p]), edge1lerp), screen[edge1p]);
3737 startx = _mm_cvtss_si32(_mm_add_ss(data0, _mm_set1_ps(0.5f)));
3738 endx = _mm_cvtss_si32(_mm_add_ss(data1, _mm_set1_ps(0.5f)));
3739 if (startx < 0) startx = 0;
3740 if (endx > width) endx = width;
3741 if (startx >= endx) continue;
3743 _mm_store_ss(&startxf, data0);
3744 _mm_store_ss(&endxf, data1);
3745 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); }
3747 spanilength = _mm_rcp_ss(_mm_sub_ss(data1, data0));
3748 spanilength = _mm_shuffle_ps(spanilength, spanilength, _MM_SHUFFLE(0, 0, 0, 0));
3749 startxlerp = _mm_sub_ps(_mm_set1_ps(startx), _mm_shuffle_ps(data0, data0, _MM_SHUFFLE(0, 0, 0, 0)));
3750 span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
3751 memcpy(span->mip, mip, sizeof(span->mip));
3752 span->start = y * width + startx;
3753 span->length = endx - startx;
3754 j = DPSOFTRAST_ARRAY_TOTAL;
3755 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilength);
3756 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerp));
3757 _mm_store_ps(span->data[0][j], data0);
3758 _mm_store_ps(span->data[1][j], data1);
3759 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3763 data0 = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(proj[j][edge0n], proj[j][edge0p]), edge0lerp), proj[j][edge0p]);
3764 data1 = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(proj[j][edge1n], proj[j][edge1p]), edge1lerp), proj[j][edge1p]);
3765 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilength);
3766 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerp));
3767 _mm_store_ps(span->data[0][j], data0);
3768 _mm_store_ps(span->data[1][j], data1);
3771 // to keep the shader routines from needing more than a small
3772 // buffer for pixel intermediate data, we split long spans...
3773 while (span->length > DPSOFTRAST_DRAW_MAXSPANLENGTH)
3775 __m128 maxspanlengthm;
3776 span->length = DPSOFTRAST_DRAW_MAXSPANLENGTH;
3777 if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
3779 DPSOFTRAST_Draw_ProcessSpans();
3780 dpsoftrast.draw.numspans = 0;
3783 span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
3785 startx += DPSOFTRAST_DRAW_MAXSPANLENGTH;
3786 span->start = y * width + startx;
3787 span->length = endx - startx;
3788 j = DPSOFTRAST_ARRAY_TOTAL;
3789 maxspanlengthm = _mm_set1_ps(DPSOFTRAST_DRAW_MAXSPANLENGTH);
3790 _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]), maxspanlengthm)));
3791 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3795 _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]), maxspanlengthm)));
3799 // after all that, we have a span suitable for the pixel shader...
3800 if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
3802 DPSOFTRAST_Draw_ProcessSpans();
3803 dpsoftrast.draw.numspans = 0;
3807 // draw outlines over triangle for debugging
3808 // for (j = 0, k = numpoints-1;j < numpoints;k = j, j++)
3809 // DPSOFTRAST_Draw_DebugEdgePoints(screen[k], screen[j]);
3811 if (dpsoftrast.draw.numspans)
3813 DPSOFTRAST_Draw_ProcessSpans();
3814 dpsoftrast.draw.numspans = 0;
3819 void DPSOFTRAST_Draw_DebugPoints(void)
3824 int numvertices = dpsoftrast.draw.numvertices;
3825 int w = dpsoftrast.fb_width;
3827 unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
3829 bounds[0] = dpsoftrast.fb_viewportscissor[0];
3830 bounds[1] = dpsoftrast.fb_viewportscissor[1];
3831 bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
3832 bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
3833 for (i = 0;i < numvertices;i++)
3836 //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
3838 x = (int)(dpsoftrast.draw.screencoord4f[i*4+0]);
3839 y = (int)(dpsoftrast.draw.screencoord4f[i*4+1]);
3840 //x = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 0.5f);
3841 //y = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 0.5f);
3842 //x = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 1.0f) * dpsoftrast.fb_width * 0.5f + 0.5f);
3843 //y = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 1.0f) * dpsoftrast.fb_height * 0.5f + 0.5f);
3844 if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
3846 c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + i*4;
3847 pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
3851 void DPSOFTRAST_DrawTriangles(int firstvertex, int numvertices, int numtriangles, const int *element3i, const unsigned short *element3s)
3853 unsigned char arraymask[DPSOFTRAST_ARRAY_TOTAL];
3854 arraymask[0] = true;
3855 arraymask[1] = dpsoftrast.fb_colorpixels[0] != NULL; // TODO: optimize (decide based on shadermode)
3856 arraymask[2] = dpsoftrast.pointer_texcoordf[0] != NULL;
3857 arraymask[3] = dpsoftrast.pointer_texcoordf[1] != NULL;
3858 arraymask[4] = dpsoftrast.pointer_texcoordf[2] != NULL;
3859 arraymask[5] = dpsoftrast.pointer_texcoordf[3] != NULL;
3860 arraymask[6] = dpsoftrast.pointer_texcoordf[4] != NULL;
3861 arraymask[7] = dpsoftrast.pointer_texcoordf[5] != NULL;
3862 arraymask[8] = dpsoftrast.pointer_texcoordf[6] != NULL;
3863 arraymask[9] = dpsoftrast.pointer_texcoordf[7] != NULL;
3864 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_DRAW);
3865 DPSOFTRAST_Draw_LoadVertices(firstvertex, numvertices, true);
3866 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Vertex();
3867 DPSOFTRAST_Draw_ProjectVertices(dpsoftrast.draw.screencoord4f, dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], numvertices);
3868 DPSOFTRAST_Draw_ProcessTriangles(firstvertex, numtriangles, element3i, element3s, arraymask);
3871 void DPSOFTRAST_Init(int width, int height, unsigned int *colorpixels, unsigned int *depthpixels)
3880 memset(&dpsoftrast, 0, sizeof(dpsoftrast));
3881 dpsoftrast.bigendian = u.b[3];
3882 dpsoftrast.fb_width = width;
3883 dpsoftrast.fb_height = height;
3884 dpsoftrast.fb_depthpixels = depthpixels;
3885 dpsoftrast.fb_colorpixels[0] = colorpixels;
3886 dpsoftrast.fb_colorpixels[1] = NULL;
3887 dpsoftrast.fb_colorpixels[1] = NULL;
3888 dpsoftrast.fb_colorpixels[1] = NULL;
3889 dpsoftrast.texture_firstfree = 1;
3890 dpsoftrast.texture_end = 1;
3891 dpsoftrast.texture_max = 0;
3892 dpsoftrast.user.colormask[0] = 1;
3893 dpsoftrast.user.colormask[1] = 1;
3894 dpsoftrast.user.colormask[2] = 1;
3895 dpsoftrast.user.colormask[3] = 1;
3896 dpsoftrast.user.blendfunc[0] = GL_ONE;
3897 dpsoftrast.user.blendfunc[1] = GL_ZERO;
3898 dpsoftrast.user.depthmask = true;
3899 dpsoftrast.user.depthtest = true;
3900 dpsoftrast.user.depthfunc = GL_LEQUAL;
3901 dpsoftrast.user.scissortest = false;
3902 dpsoftrast.user.cullface = GL_BACK;
3903 dpsoftrast.user.alphatest = false;
3904 dpsoftrast.user.alphafunc = GL_GREATER;
3905 dpsoftrast.user.alphavalue = 0.5f;
3906 dpsoftrast.user.scissor[0] = 0;
3907 dpsoftrast.user.scissor[1] = 0;
3908 dpsoftrast.user.scissor[2] = dpsoftrast.fb_width;
3909 dpsoftrast.user.scissor[3] = dpsoftrast.fb_height;
3910 dpsoftrast.user.viewport[0] = 0;
3911 dpsoftrast.user.viewport[1] = 0;
3912 dpsoftrast.user.viewport[2] = dpsoftrast.fb_width;
3913 dpsoftrast.user.viewport[3] = dpsoftrast.fb_height;
3914 dpsoftrast.user.depthrange[0] = 0;
3915 dpsoftrast.user.depthrange[1] = 1;
3916 dpsoftrast.user.polygonoffset[0] = 0;
3917 dpsoftrast.user.polygonoffset[1] = 0;
3918 dpsoftrast.user.color[0] = 1;
3919 dpsoftrast.user.color[1] = 1;
3920 dpsoftrast.user.color[2] = 1;
3921 dpsoftrast.user.color[3] = 1;
3922 dpsoftrast.validate = -1;
3923 DPSOFTRAST_Validate(-1);
3924 dpsoftrast.validate = 0;
3927 void DPSOFTRAST_Shutdown(void)
3930 for (i = 0;i < dpsoftrast.texture_end;i++)
3931 if (dpsoftrast.texture[i].bytes)
3932 MM_FREE(dpsoftrast.texture[i].bytes);
3933 if (dpsoftrast.texture)
3934 free(dpsoftrast.texture);
3935 memset(&dpsoftrast, 0, sizeof(dpsoftrast));