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crypt32: Avoid reading unitialized variables (Coverity).
[wine.git] / dlls / wined3d / ati_fragment_shader.c
blobd550a04c3a4f55491a5be3f08015f90315755f0e
1 /*
2 * Fixed function pipeline replacement using GL_ATI_fragment_shader
3 *
4 * Copyright 2008 Stefan Dösinger(for CodeWeavers)
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include "config.h"
22
23 #include <math.h>
24 #include <stdio.h>
25
26 #include "wined3d_private.h"
27
28 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
29 WINE_DECLARE_DEBUG_CHANNEL(d3d);
30
31 /* GL locking for state handlers is done by the caller. */
32
33 /* Some private defines, Constant associations, etc.
34 * Env bump matrix and per stage constant should be independent,
35 * a stage that bump maps can't read the per state constant
36 */
37 #define ATI_FFP_CONST_BUMPMAT(i) (GL_CON_0_ATI + i)
38 #define ATI_FFP_CONST_CONSTANT0 GL_CON_0_ATI
39 #define ATI_FFP_CONST_CONSTANT1 GL_CON_1_ATI
40 #define ATI_FFP_CONST_CONSTANT2 GL_CON_2_ATI
41 #define ATI_FFP_CONST_CONSTANT3 GL_CON_3_ATI
42 #define ATI_FFP_CONST_CONSTANT4 GL_CON_4_ATI
43 #define ATI_FFP_CONST_CONSTANT5 GL_CON_5_ATI
44 #define ATI_FFP_CONST_TFACTOR GL_CON_6_ATI
45
46 /* GL_ATI_fragment_shader specific fixed function pipeline description. "Inherits" from the common one */
47 struct atifs_ffp_desc
48 {
49 struct ffp_frag_desc parent;
50 GLuint shader;
51 unsigned int num_textures_used;
52 };
53
54 struct atifs_private_data
55 {
56 struct wine_rb_tree fragment_shaders; /* A rb-tree to track fragment pipeline replacement shaders */
57 };
58
59 static const char *debug_dstmod(GLuint mod) {
60 switch(mod) {
61 case GL_NONE: return "GL_NONE";
62 case GL_2X_BIT_ATI: return "GL_2X_BIT_ATI";
63 case GL_4X_BIT_ATI: return "GL_4X_BIT_ATI";
64 case GL_8X_BIT_ATI: return "GL_8X_BIT_ATI";
65 case GL_HALF_BIT_ATI: return "GL_HALF_BIT_ATI";
66 case GL_QUARTER_BIT_ATI: return "GL_QUARTER_BIT_ATI";
67 case GL_EIGHTH_BIT_ATI: return "GL_EIGHTH_BIT_ATI";
68 case GL_SATURATE_BIT_ATI: return "GL_SATURATE_BIT_ATI";
69 default: return "Unexpected modifier\n";
70 }
71 }
72
73 static const char *debug_argmod(GLuint mod) {
74 switch(mod) {
75 case GL_NONE:
76 return "GL_NONE";
77
78 case GL_2X_BIT_ATI:
79 return "GL_2X_BIT_ATI";
80 case GL_COMP_BIT_ATI:
81 return "GL_COMP_BIT_ATI";
82 case GL_NEGATE_BIT_ATI:
83 return "GL_NEGATE_BIT_ATI";
84 case GL_BIAS_BIT_ATI:
85 return "GL_BIAS_BIT_ATI";
86
87 case GL_2X_BIT_ATI | GL_COMP_BIT_ATI:
88 return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI";
89 case GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI:
90 return "GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI";
91 case GL_2X_BIT_ATI | GL_BIAS_BIT_ATI:
92 return "GL_2X_BIT_ATI | GL_BIAS_BIT_ATI";
93 case GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI:
94 return "GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI";
95 case GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI:
96 return "GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI";
97 case GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
98 return "GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
99
100 case GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
101 return "GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
102 case GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
103 return "GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
104 case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI:
105 return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI";
106 case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI:
107 return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI";
108
109 case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
110 return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
111
112 default:
113 return "Unexpected argmod combination\n";
114 }
115 }
116 static const char *debug_register(GLuint reg) {
117 switch(reg) {
118 case GL_REG_0_ATI: return "GL_REG_0_ATI";
119 case GL_REG_1_ATI: return "GL_REG_1_ATI";
120 case GL_REG_2_ATI: return "GL_REG_2_ATI";
121 case GL_REG_3_ATI: return "GL_REG_3_ATI";
122 case GL_REG_4_ATI: return "GL_REG_4_ATI";
123 case GL_REG_5_ATI: return "GL_REG_5_ATI";
124
125 case GL_CON_0_ATI: return "GL_CON_0_ATI";
126 case GL_CON_1_ATI: return "GL_CON_1_ATI";
127 case GL_CON_2_ATI: return "GL_CON_2_ATI";
128 case GL_CON_3_ATI: return "GL_CON_3_ATI";
129 case GL_CON_4_ATI: return "GL_CON_4_ATI";
130 case GL_CON_5_ATI: return "GL_CON_5_ATI";
131 case GL_CON_6_ATI: return "GL_CON_6_ATI";
132 case GL_CON_7_ATI: return "GL_CON_7_ATI";
133
134 case GL_ZERO: return "GL_ZERO";
135 case GL_ONE: return "GL_ONE";
136 case GL_PRIMARY_COLOR: return "GL_PRIMARY_COLOR";
137 case GL_SECONDARY_INTERPOLATOR_ATI: return "GL_SECONDARY_INTERPOLATOR_ATI";
138
139 default: return "Unknown register\n";
140 }
141 }
142
143 static const char *debug_swizzle(GLuint swizzle) {
144 switch(swizzle) {
145 case GL_SWIZZLE_STR_ATI: return "GL_SWIZZLE_STR_ATI";
146 case GL_SWIZZLE_STQ_ATI: return "GL_SWIZZLE_STQ_ATI";
147 case GL_SWIZZLE_STR_DR_ATI: return "GL_SWIZZLE_STR_DR_ATI";
148 case GL_SWIZZLE_STQ_DQ_ATI: return "GL_SWIZZLE_STQ_DQ_ATI";
149 default: return "unknown swizzle";
150 }
151 }
152
153 static const char *debug_rep(GLuint rep) {
154 switch(rep) {
155 case GL_NONE: return "GL_NONE";
156 case GL_RED: return "GL_RED";
157 case GL_GREEN: return "GL_GREEN";
158 case GL_BLUE: return "GL_BLUE";
159 default: return "unknown argrep";
160 }
161 }
162
163 static const char *debug_op(GLuint op) {
164 switch(op) {
165 case GL_MOV_ATI: return "GL_MOV_ATI";
166 case GL_ADD_ATI: return "GL_ADD_ATI";
167 case GL_MUL_ATI: return "GL_MUL_ATI";
168 case GL_SUB_ATI: return "GL_SUB_ATI";
169 case GL_DOT3_ATI: return "GL_DOT3_ATI";
170 case GL_DOT4_ATI: return "GL_DOT4_ATI";
171 case GL_MAD_ATI: return "GL_MAD_ATI";
172 case GL_LERP_ATI: return "GL_LERP_ATI";
173 case GL_CND_ATI: return "GL_CND_ATI";
174 case GL_CND0_ATI: return "GL_CND0_ATI";
175 case GL_DOT2_ADD_ATI: return "GL_DOT2_ADD_ATI";
176 default: return "unexpected op";
177 }
178 }
179
180 static const char *debug_mask(GLuint mask) {
181 switch(mask) {
182 case GL_NONE: return "GL_NONE";
183 case GL_RED_BIT_ATI: return "GL_RED_BIT_ATI";
184 case GL_GREEN_BIT_ATI: return "GL_GREEN_BIT_ATI";
185 case GL_BLUE_BIT_ATI: return "GL_BLUE_BIT_ATI";
186 case GL_RED_BIT_ATI | GL_GREEN_BIT_ATI: return "GL_RED_BIT_ATI | GL_GREEN_BIT_ATI";
187 case GL_RED_BIT_ATI | GL_BLUE_BIT_ATI: return "GL_RED_BIT_ATI | GL_BLUE_BIT_ATI";
188 case GL_GREEN_BIT_ATI | GL_BLUE_BIT_ATI:return "GL_GREEN_BIT_ATI | GL_BLUE_BIT_ATI";
189 case GL_RED_BIT_ATI | GL_GREEN_BIT_ATI | GL_BLUE_BIT_ATI:return "GL_RED_BIT_ATI | GL_GREEN_BIT_ATI | GL_BLUE_BIT_ATI";
190 default: return "Unexpected writemask";
191 }
192 }
193
194 static void wrap_op1(const struct wined3d_gl_info *gl_info, GLuint op, GLuint dst, GLuint dstMask, GLuint dstMod,
195 GLuint arg1, GLuint arg1Rep, GLuint arg1Mod)
196 {
197 if(dstMask == GL_ALPHA) {
198 TRACE("glAlphaFragmentOp1ATI(%s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst), debug_dstmod(dstMod),
199 debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod));
200 GL_EXTCALL(glAlphaFragmentOp1ATI(op, dst, dstMod, arg1, arg1Rep, arg1Mod));
201 } else {
202 TRACE("glColorFragmentOp1ATI(%s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst),
203 debug_mask(dstMask), debug_dstmod(dstMod),
204 debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod));
205 GL_EXTCALL(glColorFragmentOp1ATI(op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod));
206 }
207 }
208
209 static void wrap_op2(const struct wined3d_gl_info *gl_info, GLuint op, GLuint dst, GLuint dstMask, GLuint dstMod,
210 GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod)
211 {
212 if(dstMask == GL_ALPHA) {
213 TRACE("glAlphaFragmentOp2ATI(%s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst), debug_dstmod(dstMod),
214 debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
215 debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod));
216 GL_EXTCALL(glAlphaFragmentOp2ATI(op, dst, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod));
217 } else {
218 TRACE("glColorFragmentOp2ATI(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst),
219 debug_mask(dstMask), debug_dstmod(dstMod),
220 debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
221 debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod));
222 GL_EXTCALL(glColorFragmentOp2ATI(op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod));
223 }
224 }
225
226 static void wrap_op3(const struct wined3d_gl_info *gl_info, GLuint op, GLuint dst, GLuint dstMask, GLuint dstMod,
227 GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod,
228 GLuint arg3, GLuint arg3Rep, GLuint arg3Mod)
229 {
230 if(dstMask == GL_ALPHA) {
231 /* Leave some free space to fit "GL_NONE, " in to align most alpha and color op lines */
232 TRACE("glAlphaFragmentOp3ATI(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst), debug_dstmod(dstMod),
233 debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
234 debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod),
235 debug_register(arg3), debug_rep(arg3Rep), debug_argmod(arg3Mod));
236 GL_EXTCALL(glAlphaFragmentOp3ATI(op, dst, dstMod,
237 arg1, arg1Rep, arg1Mod,
238 arg2, arg2Rep, arg2Mod,
239 arg3, arg3Rep, arg3Mod));
240 } else {
241 TRACE("glColorFragmentOp3ATI(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst),
242 debug_mask(dstMask), debug_dstmod(dstMod),
243 debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
244 debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod),
245 debug_register(arg3), debug_rep(arg3Rep), debug_argmod(arg3Mod));
246 GL_EXTCALL(glColorFragmentOp3ATI(op, dst, dstMask, dstMod,
247 arg1, arg1Rep, arg1Mod,
248 arg2, arg2Rep, arg2Mod,
249 arg3, arg3Rep, arg3Mod));
250 }
251 }
252
253 static GLuint register_for_arg(DWORD arg, const struct wined3d_gl_info *gl_info,
254 unsigned int stage, GLuint *mod, GLuint *rep, GLuint tmparg)
255 {
256 GLenum ret;
257
258 if(mod) *mod = GL_NONE;
259 if(arg == ARG_UNUSED)
260 {
261 if (rep) *rep = GL_NONE;
262 return -1; /* This is the marker for unused registers */
263 }
264
265 switch(arg & WINED3DTA_SELECTMASK) {
266 case WINED3DTA_DIFFUSE:
267 ret = GL_PRIMARY_COLOR;
268 break;
269
270 case WINED3DTA_CURRENT:
271 /* Note that using GL_REG_0_ATI for the passed on register is safe because
272 * texture0 is read at stage0, so in the worst case it is read in the
273 * instruction writing to reg0. Afterwards texture0 is not used any longer.
274 * If we're reading from current
275 */
276 ret = stage ? GL_REG_0_ATI : GL_PRIMARY_COLOR;
277 break;
278
279 case WINED3DTA_TEXTURE:
280 ret = GL_REG_0_ATI + stage;
281 break;
282
283 case WINED3DTA_TFACTOR:
284 ret = ATI_FFP_CONST_TFACTOR;
285 break;
286
287 case WINED3DTA_SPECULAR:
288 ret = GL_SECONDARY_INTERPOLATOR_ATI;
289 break;
290
291 case WINED3DTA_TEMP:
292 ret = tmparg;
293 break;
294
295 case WINED3DTA_CONSTANT:
296 FIXME("Unhandled source argument WINED3DTA_TEMP\n");
297 ret = GL_CON_0_ATI;
298 break;
299
300 default:
301 FIXME("Unknown source argument %d\n", arg);
302 ret = GL_ZERO;
303 }
304
305 if(arg & WINED3DTA_COMPLEMENT) {
306 if(mod) *mod |= GL_COMP_BIT_ATI;
307 }
308 if(arg & WINED3DTA_ALPHAREPLICATE) {
309 if(rep) *rep = GL_ALPHA;
310 } else {
311 if(rep) *rep = GL_NONE;
312 }
313 return ret;
314 }
315
316 static GLuint find_tmpreg(const struct texture_stage_op op[MAX_TEXTURES])
317 {
318 int lowest_read = -1;
319 int lowest_write = -1;
320 int i;
321 BOOL tex_used[MAX_TEXTURES];
322
323 memset(tex_used, 0, sizeof(tex_used));
324 for(i = 0; i < MAX_TEXTURES; i++) {
325 if(op[i].cop == WINED3DTOP_DISABLE) {
326 break;
327 }
328
329 if(lowest_read == -1 &&
330 (op[i].carg1 == WINED3DTA_TEMP || op[i].carg2 == WINED3DTA_TEMP || op[i].carg0 == WINED3DTA_TEMP ||
331 op[i].aarg1 == WINED3DTA_TEMP || op[i].aarg2 == WINED3DTA_TEMP || op[i].aarg0 == WINED3DTA_TEMP)) {
332 lowest_read = i;
333 }
334
335 if(lowest_write == -1 && op[i].dst == tempreg) {
336 lowest_write = i;
337 }
338
339 if(op[i].carg1 == WINED3DTA_TEXTURE || op[i].carg2 == WINED3DTA_TEXTURE || op[i].carg0 == WINED3DTA_TEXTURE ||
340 op[i].aarg1 == WINED3DTA_TEXTURE || op[i].aarg2 == WINED3DTA_TEXTURE || op[i].aarg0 == WINED3DTA_TEXTURE) {
341 tex_used[i] = TRUE;
342 }
343 }
344
345 /* Temp reg not read? We don't need it, return GL_NONE */
346 if(lowest_read == -1) return GL_NONE;
347
348 if(lowest_write >= lowest_read) {
349 FIXME("Temp register read before being written\n");
350 }
351
352 if(lowest_write == -1) {
353 /* This needs a test. Maybe we are supposed to return 0.0/0.0/0.0/0.0, or fail drawprim, or whatever */
354 FIXME("Temp register read without being written\n");
355 return GL_REG_1_ATI;
356 } else if(lowest_write >= 1) {
357 /* If we're writing to the temp reg at earliest in stage 1, we can use register 1 for the temp result.
358 * there may be texture data stored in reg 1, but we do not need it any longer since stage 1 already
359 * read it
360 */
361 return GL_REG_1_ATI;
362 } else {
363 /* Search for a free texture register. We have 6 registers available. GL_REG_0_ATI is already used
364 * for the regular result
365 */
366 for(i = 1; i < 6; i++) {
367 if(!tex_used[i]) {
368 return GL_REG_0_ATI + i;
369 }
370 }
371 /* What to do here? Report it in ValidateDevice? */
372 FIXME("Could not find a register for the temporary register\n");
373 return 0;
374 }
375 }
376
377 static GLuint gen_ati_shader(const struct texture_stage_op op[MAX_TEXTURES], const struct wined3d_gl_info *gl_info)
378 {
379 GLuint ret = GL_EXTCALL(glGenFragmentShadersATI(1));
380 unsigned int stage;
381 GLuint arg0, arg1, arg2, extrarg;
382 GLuint dstmod, argmod0, argmod1, argmod2, argmodextra;
383 GLuint rep0, rep1, rep2;
384 GLuint swizzle;
385 GLuint tmparg = find_tmpreg(op);
386 GLuint dstreg;
387
388 if(!ret) {
389 ERR("Failed to generate a GL_ATI_fragment_shader shader id\n");
390 return 0;
391 }
392 GL_EXTCALL(glBindFragmentShaderATI(ret));
393 checkGLcall("GL_EXTCALL(glBindFragmentShaderATI(ret))");
394
395 TRACE("glBeginFragmentShaderATI()\n");
396 GL_EXTCALL(glBeginFragmentShaderATI());
397 checkGLcall("GL_EXTCALL(glBeginFragmentShaderATI())");
398
399 /* Pass 1: Generate sampling instructions for perturbation maps */
400 for (stage = 0; stage < gl_info->limits.textures; ++stage)
401 {
402 if(op[stage].cop == WINED3DTOP_DISABLE) break;
403 if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
404 op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
405
406 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, GL_SWIZZLE_STR_ATI)\n",
407 stage, stage);
408 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
409 GL_TEXTURE0_ARB + stage,
410 GL_SWIZZLE_STR_ATI));
411 if(op[stage + 1].projected == proj_none) {
412 swizzle = GL_SWIZZLE_STR_ATI;
413 } else if(op[stage + 1].projected == proj_count4) {
414 swizzle = GL_SWIZZLE_STQ_DQ_ATI;
415 } else {
416 swizzle = GL_SWIZZLE_STR_DR_ATI;
417 }
418 TRACE("glPassTexCoordATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
419 stage + 1, stage + 1, debug_swizzle(swizzle));
420 GL_EXTCALL(glPassTexCoordATI(GL_REG_0_ATI + stage + 1,
421 GL_TEXTURE0_ARB + stage + 1,
422 swizzle));
423 }
424
425 /* Pass 2: Generate perturbation calculations */
426 for (stage = 0; stage < gl_info->limits.textures; ++stage)
427 {
428 GLuint argmodextra_x, argmodextra_y;
429 struct color_fixup_desc fixup;
430
431 if(op[stage].cop == WINED3DTOP_DISABLE) break;
432 if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
433 op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
434
435 fixup = op[stage].color_fixup;
436 if (fixup.x_source != CHANNEL_SOURCE_X || fixup.y_source != CHANNEL_SOURCE_Y)
437 {
438 FIXME("Swizzles not implemented\n");
439 argmodextra_x = GL_NONE;
440 argmodextra_y = GL_NONE;
441 }
442 else
443 {
444 /* Nice thing, we get the color correction for free :-) */
445 argmodextra_x = fixup.x_sign_fixup ? GL_2X_BIT_ATI | GL_BIAS_BIT_ATI : GL_NONE;
446 argmodextra_y = fixup.y_sign_fixup ? GL_2X_BIT_ATI | GL_BIAS_BIT_ATI : GL_NONE;
447 }
448
449 wrap_op3(gl_info, GL_DOT2_ADD_ATI, GL_REG_0_ATI + stage + 1, GL_RED_BIT_ATI, GL_NONE,
450 GL_REG_0_ATI + stage, GL_NONE, argmodextra_x,
451 ATI_FFP_CONST_BUMPMAT(stage), GL_NONE, GL_2X_BIT_ATI | GL_BIAS_BIT_ATI,
452 GL_REG_0_ATI + stage + 1, GL_RED, GL_NONE);
453
454 /* Don't use GL_DOT2_ADD_ATI here because we cannot configure it to read the blue and alpha
455 * component of the bump matrix. Instead do this with two MADs:
456 *
457 * coord.a = tex.r * bump.b + coord.g
458 * coord.g = tex.g * bump.a + coord.a
459 *
460 * The first instruction writes to alpha so it can be coissued with the above DOT2_ADD.
461 * coord.a is unused. If the perturbed texture is projected, this was already handled
462 * in the glPassTexCoordATI above.
463 */
464 wrap_op3(gl_info, GL_MAD_ATI, GL_REG_0_ATI + stage + 1, GL_ALPHA, GL_NONE,
465 GL_REG_0_ATI + stage, GL_RED, argmodextra_y,
466 ATI_FFP_CONST_BUMPMAT(stage), GL_BLUE, GL_NONE,
467 GL_REG_0_ATI + stage + 1, GL_GREEN, GL_NONE);
468 wrap_op3(gl_info, GL_MAD_ATI, GL_REG_0_ATI + stage + 1, GL_GREEN_BIT_ATI, GL_NONE,
469 GL_REG_0_ATI + stage, GL_GREEN, argmodextra_y,
470 ATI_FFP_CONST_BUMPMAT(stage), GL_ALPHA, GL_NONE,
471 GL_REG_0_ATI + stage + 1, GL_ALPHA, GL_NONE);
472 }
473
474 /* Pass 3: Generate sampling instructions for regular textures */
475 for (stage = 0; stage < gl_info->limits.textures; ++stage)
476 {
477 if(op[stage].cop == WINED3DTOP_DISABLE) {
478 break;
479 }
480
481 if(op[stage].projected == proj_none) {
482 swizzle = GL_SWIZZLE_STR_ATI;
483 } else if(op[stage].projected == proj_count3) {
484 swizzle = GL_SWIZZLE_STR_DR_ATI;
485 } else {
486 swizzle = GL_SWIZZLE_STQ_DQ_ATI;
487 }
488
489 if((op[stage].carg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
490 (op[stage].carg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
491 (op[stage].carg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
492 (op[stage].aarg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
493 (op[stage].aarg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
494 (op[stage].aarg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
495 op[stage].cop == WINED3DTOP_BLENDTEXTUREALPHA) {
496
497 if(stage > 0 &&
498 (op[stage - 1].cop == WINED3DTOP_BUMPENVMAP ||
499 op[stage - 1].cop == WINED3DTOP_BUMPENVMAPLUMINANCE)) {
500 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_REG_%d_ATI, GL_SWIZZLE_STR_ATI)\n",
501 stage, stage);
502 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
503 GL_REG_0_ATI + stage,
504 GL_SWIZZLE_STR_ATI));
505 } else {
506 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
507 stage, stage, debug_swizzle(swizzle));
508 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
509 GL_TEXTURE0_ARB + stage,
510 swizzle));
511 }
512 }
513 }
514
515 /* Pass 4: Generate the arithmetic instructions */
516 for (stage = 0; stage < MAX_TEXTURES; ++stage)
517 {
518 if (op[stage].cop == WINED3DTOP_DISABLE)
519 {
520 if (!stage)
521 {
522 /* Handle complete texture disabling gracefully */
523 wrap_op1(gl_info, GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
524 GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
525 wrap_op1(gl_info, GL_MOV_ATI, GL_REG_0_ATI, GL_ALPHA, GL_NONE,
526 GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
527 }
528 break;
529 }
530
531 if(op[stage].dst == tempreg) {
532 /* If we're writing to D3DTA_TEMP, but never reading from it we don't have to write there in the first place.
533 * skip the entire stage, this saves some GPU time
534 */
535 if(tmparg == GL_NONE) continue;
536
537 dstreg = tmparg;
538 } else {
539 dstreg = GL_REG_0_ATI;
540 }
541
542 arg0 = register_for_arg(op[stage].carg0, gl_info, stage, &argmod0, &rep0, tmparg);
543 arg1 = register_for_arg(op[stage].carg1, gl_info, stage, &argmod1, &rep1, tmparg);
544 arg2 = register_for_arg(op[stage].carg2, gl_info, stage, &argmod2, &rep2, tmparg);
545 dstmod = GL_NONE;
546 argmodextra = GL_NONE;
547 extrarg = GL_NONE;
548
549 switch(op[stage].cop) {
550 case WINED3DTOP_SELECTARG2:
551 arg1 = arg2;
552 argmod1 = argmod2;
553 rep1 = rep2;
554 /* fall through */
555 case WINED3DTOP_SELECTARG1:
556 wrap_op1(gl_info, GL_MOV_ATI, dstreg, GL_NONE, GL_NONE,
557 arg1, rep1, argmod1);
558 break;
559
560 case WINED3DTOP_MODULATE4X:
561 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
562 /* fall through */
563 case WINED3DTOP_MODULATE2X:
564 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
565 dstmod |= GL_SATURATE_BIT_ATI;
566 /* fall through */
567 case WINED3DTOP_MODULATE:
568 wrap_op2(gl_info, GL_MUL_ATI, dstreg, GL_NONE, dstmod,
569 arg1, rep1, argmod1,
570 arg2, rep2, argmod2);
571 break;
572
573 case WINED3DTOP_ADDSIGNED2X:
574 dstmod = GL_2X_BIT_ATI;
575 /* fall through */
576 case WINED3DTOP_ADDSIGNED:
577 argmodextra = GL_BIAS_BIT_ATI;
578 /* fall through */
579 case WINED3DTOP_ADD:
580 dstmod |= GL_SATURATE_BIT_ATI;
581 wrap_op2(gl_info, GL_ADD_ATI, GL_REG_0_ATI, GL_NONE, dstmod,
582 arg1, rep1, argmod1,
583 arg2, rep2, argmodextra | argmod2);
584 break;
585
586 case WINED3DTOP_SUBTRACT:
587 dstmod |= GL_SATURATE_BIT_ATI;
588 wrap_op2(gl_info, GL_SUB_ATI, dstreg, GL_NONE, dstmod,
589 arg1, rep1, argmod1,
590 arg2, rep2, argmod2);
591 break;
592
593 case WINED3DTOP_ADDSMOOTH:
594 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
595 /* Dst = arg1 + * arg2(1 -arg 1)
596 * = arg2 * (1 - arg1) + arg1
597 */
598 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
599 arg2, rep2, argmod2,
600 arg1, rep1, argmodextra,
601 arg1, rep1, argmod1);
602 break;
603
604 case WINED3DTOP_BLENDCURRENTALPHA:
605 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, NULL, -1);
606 /* fall through */
607 case WINED3DTOP_BLENDFACTORALPHA:
608 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, NULL, -1);
609 /* fall through */
610 case WINED3DTOP_BLENDTEXTUREALPHA:
611 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
612 /* fall through */
613 case WINED3DTOP_BLENDDIFFUSEALPHA:
614 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, NULL, -1);
615 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
616 extrarg, GL_ALPHA, GL_NONE,
617 arg1, rep1, argmod1,
618 arg2, rep2, argmod2);
619 break;
620
621 case WINED3DTOP_BLENDTEXTUREALPHAPM:
622 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
623 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_NONE,
624 arg2, rep2, argmod2,
625 arg0, GL_ALPHA, GL_COMP_BIT_ATI,
626 arg1, rep1, argmod1);
627 break;
628
629 /* D3DTOP_PREMODULATE ???? */
630
631 case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
632 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
633 /* fall through */
634 case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
635 if(!argmodextra) argmodextra = argmod1;
636 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
637 arg2, rep2, argmod2,
638 arg1, GL_ALPHA, argmodextra,
639 arg1, rep1, argmod1);
640 break;
641
642 case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
643 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
644 /* fall through */
645 case WINED3DTOP_MODULATECOLOR_ADDALPHA:
646 if(!argmodextra) argmodextra = argmod1;
647 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
648 arg2, rep2, argmod2,
649 arg1, rep1, argmodextra,
650 arg1, GL_ALPHA, argmod1);
651 break;
652
653 case WINED3DTOP_DOTPRODUCT3:
654 wrap_op2(gl_info, GL_DOT3_ATI, dstreg, GL_NONE, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI,
655 arg1, rep1, argmod1 | GL_BIAS_BIT_ATI,
656 arg2, rep2, argmod2 | GL_BIAS_BIT_ATI);
657 break;
658
659 case WINED3DTOP_MULTIPLYADD:
660 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
661 arg1, rep1, argmod1,
662 arg2, rep2, argmod2,
663 arg0, rep0, argmod0);
664 break;
665
666 case WINED3DTOP_LERP:
667 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
668 arg0, rep0, argmod0,
669 arg1, rep1, argmod1,
670 arg2, rep2, argmod2);
671 break;
672
673 case WINED3DTOP_BUMPENVMAP:
674 case WINED3DTOP_BUMPENVMAPLUMINANCE:
675 /* Those are handled in the first pass of the shader(generation pass 1 and 2) already */
676 break;
677
678 default: FIXME("Unhandled color operation %d on stage %d\n", op[stage].cop, stage);
679 }
680
681 arg0 = register_for_arg(op[stage].aarg0, gl_info, stage, &argmod0, NULL, tmparg);
682 arg1 = register_for_arg(op[stage].aarg1, gl_info, stage, &argmod1, NULL, tmparg);
683 arg2 = register_for_arg(op[stage].aarg2, gl_info, stage, &argmod2, NULL, tmparg);
684 dstmod = GL_NONE;
685 argmodextra = GL_NONE;
686 extrarg = GL_NONE;
687
688 switch(op[stage].aop) {
689 case WINED3DTOP_DISABLE:
690 /* Get the primary color to the output if on stage 0, otherwise leave register 0 untouched */
691 if (!stage)
692 {
693 wrap_op1(gl_info, GL_MOV_ATI, GL_REG_0_ATI, GL_ALPHA, GL_NONE,
694 GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
695 }
696 break;
697
698 case WINED3DTOP_SELECTARG2:
699 arg1 = arg2;
700 argmod1 = argmod2;
701 /* fall through */
702 case WINED3DTOP_SELECTARG1:
703 wrap_op1(gl_info, GL_MOV_ATI, dstreg, GL_ALPHA, GL_NONE,
704 arg1, GL_NONE, argmod1);
705 break;
706
707 case WINED3DTOP_MODULATE4X:
708 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
709 /* fall through */
710 case WINED3DTOP_MODULATE2X:
711 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
712 dstmod |= GL_SATURATE_BIT_ATI;
713 /* fall through */
714 case WINED3DTOP_MODULATE:
715 wrap_op2(gl_info, GL_MUL_ATI, dstreg, GL_ALPHA, dstmod,
716 arg1, GL_NONE, argmod1,
717 arg2, GL_NONE, argmod2);
718 break;
719
720 case WINED3DTOP_ADDSIGNED2X:
721 dstmod = GL_2X_BIT_ATI;
722 /* fall through */
723 case WINED3DTOP_ADDSIGNED:
724 argmodextra = GL_BIAS_BIT_ATI;
725 /* fall through */
726 case WINED3DTOP_ADD:
727 dstmod |= GL_SATURATE_BIT_ATI;
728 wrap_op2(gl_info, GL_ADD_ATI, dstreg, GL_ALPHA, dstmod,
729 arg1, GL_NONE, argmod1,
730 arg2, GL_NONE, argmodextra | argmod2);
731 break;
732
733 case WINED3DTOP_SUBTRACT:
734 dstmod |= GL_SATURATE_BIT_ATI;
735 wrap_op2(gl_info, GL_SUB_ATI, dstreg, GL_ALPHA, dstmod,
736 arg1, GL_NONE, argmod1,
737 arg2, GL_NONE, argmod2);
738 break;
739
740 case WINED3DTOP_ADDSMOOTH:
741 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
742 /* Dst = arg1 + * arg2(1 -arg 1)
743 * = arg2 * (1 - arg1) + arg1
744 */
745 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_ALPHA, GL_SATURATE_BIT_ATI,
746 arg2, GL_NONE, argmod2,
747 arg1, GL_NONE, argmodextra,
748 arg1, GL_NONE, argmod1);
749 break;
750
751 case WINED3DTOP_BLENDCURRENTALPHA:
752 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, NULL, -1);
753 /* fall through */
754 case WINED3DTOP_BLENDFACTORALPHA:
755 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, NULL, -1);
756 /* fall through */
757 case WINED3DTOP_BLENDTEXTUREALPHA:
758 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
759 /* fall through */
760 case WINED3DTOP_BLENDDIFFUSEALPHA:
761 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, NULL, -1);
762 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_ALPHA, GL_NONE,
763 extrarg, GL_ALPHA, GL_NONE,
764 arg1, GL_NONE, argmod1,
765 arg2, GL_NONE, argmod2);
766 break;
767
768 case WINED3DTOP_BLENDTEXTUREALPHAPM:
769 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
770 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_ALPHA, GL_NONE,
771 arg2, GL_NONE, argmod2,
772 arg0, GL_ALPHA, GL_COMP_BIT_ATI,
773 arg1, GL_NONE, argmod1);
774 break;
775
776 /* D3DTOP_PREMODULATE ???? */
777
778 case WINED3DTOP_DOTPRODUCT3:
779 wrap_op2(gl_info, GL_DOT3_ATI, dstreg, GL_ALPHA, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI,
780 arg1, GL_NONE, argmod1 | GL_BIAS_BIT_ATI,
781 arg2, GL_NONE, argmod2 | GL_BIAS_BIT_ATI);
782 break;
783
784 case WINED3DTOP_MULTIPLYADD:
785 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_ALPHA, GL_SATURATE_BIT_ATI,
786 arg1, GL_NONE, argmod1,
787 arg2, GL_NONE, argmod2,
788 arg0, GL_NONE, argmod0);
789 break;
790
791 case WINED3DTOP_LERP:
792 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_ALPHA, GL_SATURATE_BIT_ATI,
793 arg1, GL_NONE, argmod1,
794 arg2, GL_NONE, argmod2,
795 arg0, GL_NONE, argmod0);
796 break;
797
798 case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
799 case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
800 case WINED3DTOP_MODULATECOLOR_ADDALPHA:
801 case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
802 case WINED3DTOP_BUMPENVMAP:
803 case WINED3DTOP_BUMPENVMAPLUMINANCE:
804 ERR("Application uses an invalid alpha operation\n");
805 break;
806
807 default: FIXME("Unhandled alpha operation %d on stage %d\n", op[stage].aop, stage);
808 }
809 }
810
811 TRACE("glEndFragmentShaderATI()\n");
812 GL_EXTCALL(glEndFragmentShaderATI());
813 checkGLcall("GL_EXTCALL(glEndFragmentShaderATI())");
814 return ret;
815 }
816
817 static void set_tex_op_atifs(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
818 {
819 const struct wined3d_device *device = context->swapchain->device;
820 const struct wined3d_gl_info *gl_info = context->gl_info;
821 const struct atifs_ffp_desc *desc;
822 struct ffp_frag_settings settings;
823 struct atifs_private_data *priv = device->fragment_priv;
824 DWORD mapped_stage;
825 unsigned int i;
826
827 gen_ffp_frag_op(device, state, &settings, TRUE);
828 desc = (const struct atifs_ffp_desc *)find_ffp_frag_shader(&priv->fragment_shaders, &settings);
829 if(!desc) {
830 struct atifs_ffp_desc *new_desc = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_desc));
831 if (!new_desc)
832 {
833 ERR("Out of memory\n");
834 return;
835 }
836 new_desc->num_textures_used = 0;
837 for (i = 0; i < gl_info->limits.texture_stages; ++i)
838 {
839 if(settings.op[i].cop == WINED3DTOP_DISABLE) break;
840 new_desc->num_textures_used = i;
841 }
842
843 memcpy(&new_desc->parent.settings, &settings, sizeof(settings));
844 new_desc->shader = gen_ati_shader(settings.op, gl_info);
845 add_ffp_frag_shader(&priv->fragment_shaders, &new_desc->parent);
846 TRACE("Allocated fixed function replacement shader descriptor %p\n", new_desc);
847 desc = new_desc;
848 }
849
850 /* GL_ATI_fragment_shader depends on the GL_TEXTURE_xD enable settings. Update the texture stages
851 * used by this shader
852 */
853 for (i = 0; i < desc->num_textures_used; ++i)
854 {
855 mapped_stage = device->texUnitMap[i];
856 if (mapped_stage != WINED3D_UNMAPPED_STAGE)
857 {
858 context_active_texture(context, gl_info, mapped_stage);
859 texture_activate_dimensions(state->textures[i], gl_info);
860 }
861 }
862
863 GL_EXTCALL(glBindFragmentShaderATI(desc->shader));
864 }
865
866 static void state_texfactor_atifs(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
867 {
868 const struct wined3d_gl_info *gl_info = context->gl_info;
869 float col[4];
870 D3DCOLORTOGLFLOAT4(state->render_states[WINED3DRS_TEXTUREFACTOR], col);
871
872 GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_TFACTOR, col));
873 checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_TFACTOR, col)");
874 }
875
876 static void set_bumpmat(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
877 {
878 DWORD stage = (state_id - STATE_TEXTURESTAGE(0, 0)) / (WINED3D_HIGHEST_TEXTURE_STATE + 1);
879 const struct wined3d_gl_info *gl_info = context->gl_info;
880 float mat[2][2];
881
882 mat[0][0] = *((float *)&state->texture_states[stage][WINED3DTSS_BUMPENVMAT00]);
883 mat[1][0] = *((float *)&state->texture_states[stage][WINED3DTSS_BUMPENVMAT01]);
884 mat[0][1] = *((float *)&state->texture_states[stage][WINED3DTSS_BUMPENVMAT10]);
885 mat[1][1] = *((float *)&state->texture_states[stage][WINED3DTSS_BUMPENVMAT11]);
886 /* GL_ATI_fragment_shader allows only constants from 0.0 to 1.0, but the bumpmat
887 * constants can be in any range. While they should stay between [-1.0 and 1.0] because
888 * Shader Model 1.x pixel shaders are clamped to that range negative values are used occasionally,
889 * for example by our d3d9 test. So to get negative values scale -1;1 to 0;1 and undo that in the
890 * shader(it is free). This might potentially reduce precision. However, if the hardware does
891 * support proper floats it shouldn't, and if it doesn't we can't get anything better anyway
892 */
893 mat[0][0] = (mat[0][0] + 1.0f) * 0.5f;
894 mat[1][0] = (mat[1][0] + 1.0f) * 0.5f;
895 mat[0][1] = (mat[0][1] + 1.0f) * 0.5f;
896 mat[1][1] = (mat[1][1] + 1.0f) * 0.5f;
897 GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), (float *) mat));
898 checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), mat)");
899 }
900
901 static void textransform(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
902 {
903 if (!isStateDirty(context, STATE_PIXELSHADER))
904 set_tex_op_atifs(context, state, state_id);
905 }
906
907 static void atifs_apply_pixelshader(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
908 {
909 const struct wined3d_device *device = context->swapchain->device;
910 BOOL use_vshader = use_vs(state);
911
912 context->last_was_pshader = use_ps(state);
913 /* The ATIFS code does not support pixel shaders currently, but we have to
914 * provide a state handler to call shader_select to select a vertex shader
915 * if one is applied because the vertex shader state may defer calling the
916 * shader backend if the pshader state is dirty.
917 *
918 * In theory the application should not be able to mark the pixel shader
919 * dirty because it cannot create a shader, and thus has no way to set the
920 * state to something != NULL. However, a different pipeline part may link
921 * a different state to its pixelshader handler, thus a pshader state
922 * exists and can be dirtified. Also the pshader is always dirtified at
923 * startup, and blitting disables all shaders and dirtifies all shader
924 * states. If atifs can deal with this it keeps the rest of the code
925 * simpler. */
926 if (!isStateDirty(context, context->state_table[STATE_VSHADER].representative))
927 {
928 device->shader_backend->shader_select(context, FALSE, use_vshader);
929
930 if (!isStateDirty(context, STATE_VERTEXSHADERCONSTANT) && use_vshader)
931 context_apply_state(context, state, STATE_VERTEXSHADERCONSTANT);
932 }
933 }
934
935 static void atifs_srgbwriteenable(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
936 {
937 if (state->render_states[WINED3DRS_SRGBWRITEENABLE])
938 WARN("sRGB writes are not supported by this fragment pipe.\n");
939 }
940
941 static const struct StateEntryTemplate atifs_fragmentstate_template[] = {
942 {STATE_RENDER(WINED3DRS_TEXTUREFACTOR), { STATE_RENDER(WINED3DRS_TEXTUREFACTOR), state_texfactor_atifs }, WINED3D_GL_EXT_NONE },
943 {STATE_RENDER(WINED3DRS_FOGCOLOR), { STATE_RENDER(WINED3DRS_FOGCOLOR), state_fogcolor }, WINED3D_GL_EXT_NONE },
944 {STATE_RENDER(WINED3DRS_FOGDENSITY), { STATE_RENDER(WINED3DRS_FOGDENSITY), state_fogdensity }, WINED3D_GL_EXT_NONE },
945 {STATE_RENDER(WINED3DRS_FOGENABLE), { STATE_RENDER(WINED3DRS_FOGENABLE), state_fog_fragpart }, WINED3D_GL_EXT_NONE },
946 {STATE_RENDER(WINED3DRS_FOGTABLEMODE), { STATE_RENDER(WINED3DRS_FOGENABLE), NULL }, WINED3D_GL_EXT_NONE },
947 {STATE_RENDER(WINED3DRS_FOGVERTEXMODE), { STATE_RENDER(WINED3DRS_FOGENABLE), NULL }, WINED3D_GL_EXT_NONE },
948 {STATE_RENDER(WINED3DRS_FOGSTART), { STATE_RENDER(WINED3DRS_FOGSTART), state_fogstartend }, WINED3D_GL_EXT_NONE },
949 {STATE_RENDER(WINED3DRS_FOGEND), { STATE_RENDER(WINED3DRS_FOGSTART), NULL }, WINED3D_GL_EXT_NONE },
950 {STATE_RENDER(WINED3DRS_SRGBWRITEENABLE), { STATE_RENDER(WINED3DRS_SRGBWRITEENABLE), atifs_srgbwriteenable }, WINED3D_GL_EXT_NONE },
951 {STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), set_tex_op_atifs }, WINED3D_GL_EXT_NONE },
952 {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
953 {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
954 {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
955 {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAOP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
956 {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
957 {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
958 {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
959 {STATE_TEXTURESTAGE(0, WINED3DTSS_RESULTARG), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
960 {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00), { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00), set_bumpmat }, WINED3D_GL_EXT_NONE },
961 {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT01), { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
962 {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT10), { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
963 {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT11), { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
964 {STATE_TEXTURESTAGE(1, WINED3DTSS_COLOROP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
965 {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
966 {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
967 {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
968 {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAOP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
969 {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
970 {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
971 {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
972 {STATE_TEXTURESTAGE(1, WINED3DTSS_RESULTARG), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
973 {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00), { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00), set_bumpmat }, WINED3D_GL_EXT_NONE },
974 {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT01), { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
975 {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT10), { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
976 {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT11), { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
977 {STATE_TEXTURESTAGE(2, WINED3DTSS_COLOROP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
978 {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
979 {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
980 {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
981 {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAOP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
982 {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
983 {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
984 {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
985 {STATE_TEXTURESTAGE(2, WINED3DTSS_RESULTARG), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
986 {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00), { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00), set_bumpmat }, WINED3D_GL_EXT_NONE },
987 {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT01), { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
988 {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT10), { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
989 {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT11), { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
990 {STATE_TEXTURESTAGE(3, WINED3DTSS_COLOROP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
991 {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
992 {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
993 {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
994 {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAOP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
995 {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
996 {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
997 {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
998 {STATE_TEXTURESTAGE(3, WINED3DTSS_RESULTARG), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
999 {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00), { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00), set_bumpmat }, WINED3D_GL_EXT_NONE },
1000 {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT01), { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1001 {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT10), { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1002 {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT11), { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1003 {STATE_TEXTURESTAGE(4, WINED3DTSS_COLOROP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1004 {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1005 {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1006 {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1007 {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAOP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1008 {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1009 {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1010 {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1011 {STATE_TEXTURESTAGE(4, WINED3DTSS_RESULTARG), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1012 {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00), { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00), set_bumpmat }, WINED3D_GL_EXT_NONE },
1013 {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT01), { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1014 {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT10), { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1015 {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT11), { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1016 {STATE_TEXTURESTAGE(5, WINED3DTSS_COLOROP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1017 {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1018 {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1019 {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1020 {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAOP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1021 {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1022 {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1023 {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1024 {STATE_TEXTURESTAGE(5, WINED3DTSS_RESULTARG), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1025 {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00), { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00), set_bumpmat }, WINED3D_GL_EXT_NONE },
1026 {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT01), { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1027 {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT10), { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1028 {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT11), { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1029 {STATE_TEXTURESTAGE(6, WINED3DTSS_COLOROP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1030 {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1031 {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1032 {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1033 {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAOP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1034 {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1035 {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1036 {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1037 {STATE_TEXTURESTAGE(6, WINED3DTSS_RESULTARG), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1038 {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00), { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00), set_bumpmat }, WINED3D_GL_EXT_NONE },
1039 {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT01), { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1040 {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT10), { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1041 {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT11), { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1042 {STATE_TEXTURESTAGE(7, WINED3DTSS_COLOROP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1043 {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1044 {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1045 {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1046 {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAOP), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1047 {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG1), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1048 {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG2), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1049 {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG0), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1050 {STATE_TEXTURESTAGE(7, WINED3DTSS_RESULTARG), { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP), NULL }, WINED3D_GL_EXT_NONE },
1051 {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00), { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00), set_bumpmat }, WINED3D_GL_EXT_NONE },
1052 {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT01), { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1053 {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT10), { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1054 {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT11), { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00), NULL }, WINED3D_GL_EXT_NONE },
1055 { STATE_SAMPLER(0), { STATE_SAMPLER(0), sampler_texdim }, WINED3D_GL_EXT_NONE },
1056 { STATE_SAMPLER(1), { STATE_SAMPLER(1), sampler_texdim }, WINED3D_GL_EXT_NONE },
1057 { STATE_SAMPLER(2), { STATE_SAMPLER(2), sampler_texdim }, WINED3D_GL_EXT_NONE },
1058 { STATE_SAMPLER(3), { STATE_SAMPLER(3), sampler_texdim }, WINED3D_GL_EXT_NONE },
1059 { STATE_SAMPLER(4), { STATE_SAMPLER(4), sampler_texdim }, WINED3D_GL_EXT_NONE },
1060 { STATE_SAMPLER(5), { STATE_SAMPLER(5), sampler_texdim }, WINED3D_GL_EXT_NONE },
1061 { STATE_SAMPLER(6), { STATE_SAMPLER(6), sampler_texdim }, WINED3D_GL_EXT_NONE },
1062 { STATE_SAMPLER(7), { STATE_SAMPLER(7), sampler_texdim }, WINED3D_GL_EXT_NONE },
1063 {STATE_TEXTURESTAGE(0,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(0, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform }, WINED3D_GL_EXT_NONE },
1064 {STATE_TEXTURESTAGE(1,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(1, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform }, WINED3D_GL_EXT_NONE },
1065 {STATE_TEXTURESTAGE(2,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(2, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform }, WINED3D_GL_EXT_NONE },
1066 {STATE_TEXTURESTAGE(3,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(3, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform }, WINED3D_GL_EXT_NONE },
1067 {STATE_TEXTURESTAGE(4,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(4, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform }, WINED3D_GL_EXT_NONE },
1068 {STATE_TEXTURESTAGE(5,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(5, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform }, WINED3D_GL_EXT_NONE },
1069 {STATE_TEXTURESTAGE(6,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(6, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform }, WINED3D_GL_EXT_NONE },
1070 {STATE_TEXTURESTAGE(7,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(7, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform }, WINED3D_GL_EXT_NONE },
1071 {STATE_PIXELSHADER, { STATE_PIXELSHADER, atifs_apply_pixelshader }, WINED3D_GL_EXT_NONE },
1072 {0 /* Terminate */, { 0, 0 }, WINED3D_GL_EXT_NONE },
1073 };
1074
1075 /* Context activation and GL locking are done by the caller. */
1076 static void atifs_enable(BOOL enable)
1077 {
1078 if(enable) {
1079 glEnable(GL_FRAGMENT_SHADER_ATI);
1080 checkGLcall("glEnable(GL_FRAGMENT_SHADER_ATI)");
1081 } else {
1082 glDisable(GL_FRAGMENT_SHADER_ATI);
1083 checkGLcall("glDisable(GL_FRAGMENT_SHADER_ATI)");
1084 }
1085 }
1086
1087 static void atifs_get_caps(const struct wined3d_gl_info *gl_info, struct fragment_caps *caps)
1088 {
1089 caps->PrimitiveMiscCaps = WINED3DPMISCCAPS_TSSARGTEMP;
1090 caps->TextureOpCaps = WINED3DTEXOPCAPS_DISABLE |
1091 WINED3DTEXOPCAPS_SELECTARG1 |
1092 WINED3DTEXOPCAPS_SELECTARG2 |
1093 WINED3DTEXOPCAPS_MODULATE4X |
1094 WINED3DTEXOPCAPS_MODULATE2X |
1095 WINED3DTEXOPCAPS_MODULATE |
1096 WINED3DTEXOPCAPS_ADDSIGNED2X |
1097 WINED3DTEXOPCAPS_ADDSIGNED |
1098 WINED3DTEXOPCAPS_ADD |
1099 WINED3DTEXOPCAPS_SUBTRACT |
1100 WINED3DTEXOPCAPS_ADDSMOOTH |
1101 WINED3DTEXOPCAPS_BLENDCURRENTALPHA |
1102 WINED3DTEXOPCAPS_BLENDFACTORALPHA |
1103 WINED3DTEXOPCAPS_BLENDTEXTUREALPHA |
1104 WINED3DTEXOPCAPS_BLENDDIFFUSEALPHA |
1105 WINED3DTEXOPCAPS_BLENDTEXTUREALPHAPM |
1106 WINED3DTEXOPCAPS_MODULATEALPHA_ADDCOLOR |
1107 WINED3DTEXOPCAPS_MODULATECOLOR_ADDALPHA |
1108 WINED3DTEXOPCAPS_MODULATEINVCOLOR_ADDALPHA |
1109 WINED3DTEXOPCAPS_MODULATEINVALPHA_ADDCOLOR |
1110 WINED3DTEXOPCAPS_DOTPRODUCT3 |
1111 WINED3DTEXOPCAPS_MULTIPLYADD |
1112 WINED3DTEXOPCAPS_LERP |
1113 WINED3DTEXOPCAPS_BUMPENVMAP;
1114
1115 /* TODO: Implement WINED3DTEXOPCAPS_BUMPENVMAPLUMINANCE
1116 and WINED3DTEXOPCAPS_PREMODULATE */
1117
1118 /* GL_ATI_fragment_shader always supports 6 textures, which was the limit on r200 cards
1119 * which this extension is exclusively focused on(later cards have GL_ARB_fragment_program).
1120 * If the current card has more than 8 fixed function textures in OpenGL's regular fixed
1121 * function pipeline then the ATI_fragment_shader backend imposes a stricter limit. This
1122 * shouldn't be too hard since Nvidia cards have a limit of 4 textures with the default ffp
1123 * pipeline, and almost all games are happy with that. We can however support up to 8
1124 * texture stages because we have a 2nd pass limit of 8 instructions, and per stage we use
1125 * only 1 instruction.
1126 *
1127 * The proper fix for this is not to use GL_ATI_fragment_shader on cards newer than the
1128 * r200 series and use an ARB or GLSL shader instead
1129 */
1130 caps->MaxTextureBlendStages = 8;
1131 caps->MaxSimultaneousTextures = 6;
1132 }
1133
1134 static HRESULT atifs_alloc(struct wined3d_device *device)
1135 {
1136 struct atifs_private_data *priv;
1137
1138 device->fragment_priv = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct atifs_private_data));
1139 if (!device->fragment_priv)
1140 {
1141 ERR("Out of memory\n");
1142 return E_OUTOFMEMORY;
1143 }
1144 priv = device->fragment_priv;
1145 if (wine_rb_init(&priv->fragment_shaders, &wined3d_ffp_frag_program_rb_functions) == -1)
1146 {
1147 ERR("Failed to initialize rbtree.\n");
1148 HeapFree(GetProcessHeap(), 0, device->fragment_priv);
1149 return E_OUTOFMEMORY;
1150 }
1151 return WINED3D_OK;
1152 }
1153
1154 /* Context activation is done by the caller. */
1155 static void atifs_free_ffpshader(struct wine_rb_entry *entry, void *context)
1156 {
1157 struct wined3d_device *device = context;
1158 const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
1159 struct atifs_ffp_desc *entry_ati = WINE_RB_ENTRY_VALUE(entry, struct atifs_ffp_desc, parent.entry);
1160
1161 ENTER_GL();
1162 GL_EXTCALL(glDeleteFragmentShaderATI(entry_ati->shader));
1163 checkGLcall("glDeleteFragmentShaderATI(entry->shader)");
1164 HeapFree(GetProcessHeap(), 0, entry_ati);
1165 LEAVE_GL();
1166 }
1167
1168 /* Context activation is done by the caller. */
1169 static void atifs_free(struct wined3d_device *device)
1170 {
1171 struct atifs_private_data *priv = device->fragment_priv;
1172
1173 wine_rb_destroy(&priv->fragment_shaders, atifs_free_ffpshader, device);
1174
1175 HeapFree(GetProcessHeap(), 0, priv);
1176 device->fragment_priv = NULL;
1177 }
1178
1179 static BOOL atifs_color_fixup_supported(struct color_fixup_desc fixup)
1180 {
1181 if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1182 {
1183 TRACE("Checking support for fixup:\n");
1184 dump_color_fixup_desc(fixup);
1185 }
1186
1187 /* We only support sign fixup of the first two channels. */
1188 if (fixup.x_source == CHANNEL_SOURCE_X && fixup.y_source == CHANNEL_SOURCE_Y
1189 && fixup.z_source == CHANNEL_SOURCE_Z && fixup.w_source == CHANNEL_SOURCE_W
1190 && !fixup.z_sign_fixup && !fixup.w_sign_fixup)
1191 {
1192 TRACE("[OK]\n");
1193 return TRUE;
1194 }
1195
1196 TRACE("[FAILED]\n");
1197 return FALSE;
1198 }
1199
1200 const struct fragment_pipeline atifs_fragment_pipeline = {
1201 atifs_enable,
1202 atifs_get_caps,
1203 atifs_alloc,
1204 atifs_free,
1205 atifs_color_fixup_supported,
1206 atifs_fragmentstate_template,
1207 TRUE /* We can disable projected textures */
1208 };
Windows API implementation