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Changes in crossover-wine-src-6.1.0 except for configure
[wine/hacks.git] / dlls / wined3d / baseshader.c
blob9e937ad7c99cb8f9df64e7a153dcee5c35f3a286
1 /*
2 * shaders implementation
3 *
4 * Copyright 2002-2003 Jason Edmeades
5 * Copyright 2002-2003 Raphael Junqueira
6 * Copyright 2004 Christian Costa
7 * Copyright 2005 Oliver Stieber
8 * Copyright 2006 Ivan Gyurdiev
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 */
24
25 #include "config.h"
26 #include <string.h>
27 #include <stdio.h>
28 #include "wined3d_private.h"
29
30 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
31
32 #define GLNAME_REQUIRE_GLSL ((const char *)1)
33
34 static inline BOOL shader_is_version_token(DWORD token) {
35 return shader_is_pshader_version(token) ||
36 shader_is_vshader_version(token);
37 }
38
39 int shader_addline(
40 SHADER_BUFFER* buffer,
41 const char *format, ...) {
42
43 char* base = buffer->buffer + buffer->bsize;
44 int rc;
45
46 va_list args;
47 va_start(args, format);
48 rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
49 va_end(args);
50
51 if (rc < 0 || /* C89 */
52 rc > SHADER_PGMSIZE - 1 - buffer->bsize) { /* C99 */
53
54 ERR("The buffer allocated for the shader program string "
55 "is too small at %d bytes.\n", SHADER_PGMSIZE);
56 buffer->bsize = SHADER_PGMSIZE - 1;
57 return -1;
58 }
59
60 if (buffer->newline) {
61 TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
62 buffer->newline = FALSE;
63 } else {
64 TRACE("%s", base);
65 }
66
67 buffer->bsize += rc;
68 if (buffer->buffer[buffer->bsize-1] == '\n') {
69 buffer->lineNo++;
70 buffer->newline = TRUE;
71 }
72 return 0;
73 }
74
75 const SHADER_OPCODE* shader_get_opcode(
76 IWineD3DBaseShader *iface, const DWORD code) {
77
78 IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl*) iface;
79
80 DWORD i = 0;
81 DWORD hex_version = This->baseShader.hex_version;
82 const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
83
84 /** TODO: use dichotomic search */
85 while (NULL != shader_ins[i].name) {
86 if (((code & WINED3DSI_OPCODE_MASK) == shader_ins[i].opcode) &&
87 (((hex_version >= shader_ins[i].min_version) && (hex_version <= shader_ins[i].max_version)) ||
88 ((shader_ins[i].min_version == 0) && (shader_ins[i].max_version == 0)))) {
89 return &shader_ins[i];
90 }
91 ++i;
92 }
93 FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
94 code, code, code & WINED3DSI_OPCODE_MASK, hex_version);
95 return NULL;
96 }
97
98 /* Read a parameter opcode from the input stream,
99 * and possibly a relative addressing token.
100 * Return the number of tokens read */
101 int shader_get_param(
102 IWineD3DBaseShader* iface,
103 const DWORD* pToken,
104 DWORD* param,
105 DWORD* addr_token) {
106
107 /* PS >= 3.0 have relative addressing (with token)
108 * VS >= 2.0 have relative addressing (with token)
109 * VS >= 1.0 < 2.0 have relative addressing (without token)
110 * The version check below should work in general */
111
112 IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
113 char rel_token = WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2 &&
114 ((*pToken & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
115
116 *param = *pToken;
117 *addr_token = rel_token? *(pToken + 1): 0;
118 return rel_token? 2:1;
119 }
120
121 /* Return the number of parameters to skip for an opcode */
122 static inline int shader_skip_opcode(
123 IWineD3DBaseShaderImpl* This,
124 const SHADER_OPCODE* curOpcode,
125 DWORD opcode_token) {
126
127 /* Shaders >= 2.0 may contain address tokens, but fortunately they
128 * have a useful legnth mask - use it here. Shaders 1.0 contain no such tokens */
129
130 return (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2)?
131 ((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT):
132 curOpcode->num_params;
133 }
134
135 /* Read the parameters of an unrecognized opcode from the input stream
136 * Return the number of tokens read.
137 *
138 * Note: This function assumes source or destination token format.
139 * It will not work with specially-formatted tokens like DEF or DCL,
140 * but hopefully those would be recognized */
141
142 int shader_skip_unrecognized(
143 IWineD3DBaseShader* iface,
144 const DWORD* pToken) {
145
146 int tokens_read = 0;
147 int i = 0;
148
149 /* TODO: Think of a good name for 0x80000000 and replace it with a constant */
150 while (*pToken & 0x80000000) {
151
152 DWORD param, addr_token;
153 tokens_read += shader_get_param(iface, pToken, &param, &addr_token);
154 pToken += tokens_read;
155
156 FIXME("Unrecognized opcode param: token=%08x "
157 "addr_token=%08x name=", param, addr_token);
158 shader_dump_param(iface, param, addr_token, i);
159 FIXME("\n");
160 ++i;
161 }
162 return tokens_read;
163 }
164
165 /* Convert floating point offset relative
166 * to a register file to an absolute offset for float constants */
167
168 unsigned int shader_get_float_offset(const DWORD reg) {
169
170 unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
171 int regtype = shader_get_regtype(reg);
172
173 switch (regtype) {
174 case WINED3DSPR_CONST: return regnum;
175 case WINED3DSPR_CONST2: return 2048 + regnum;
176 case WINED3DSPR_CONST3: return 4096 + regnum;
177 case WINED3DSPR_CONST4: return 6144 + regnum;
178 default:
179 FIXME("Unsupported register type: %d\n", regtype);
180 return regnum;
181 }
182 }
183
184 /* Note that this does not count the loop register
185 * as an address register. */
186
187 HRESULT shader_get_registers_used(
188 IWineD3DBaseShader *iface,
189 shader_reg_maps* reg_maps,
190 semantic* semantics_in,
191 semantic* semantics_out,
192 CONST DWORD* pToken,
193 IWineD3DStateBlockImpl *stateBlock) {
194
195 IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
196
197 /* There are some minor differences between pixel and vertex shaders */
198 char pshader = shader_is_pshader_version(This->baseShader.hex_version);
199
200 reg_maps->bumpmat = -1;
201
202 if (pToken == NULL)
203 return WINED3D_OK;
204
205 while (WINED3DVS_END() != *pToken) {
206 CONST SHADER_OPCODE* curOpcode;
207 DWORD opcode_token;
208
209 /* Skip version */
210 if (shader_is_version_token(*pToken)) {
211 ++pToken;
212 continue;
213
214 /* Skip comments */
215 } else if (shader_is_comment(*pToken)) {
216 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
217 ++pToken;
218 pToken += comment_len;
219 continue;
220 }
221
222 /* Fetch opcode */
223 opcode_token = *pToken++;
224 curOpcode = shader_get_opcode(iface, opcode_token);
225
226 /* Unhandled opcode, and its parameters */
227 if (NULL == curOpcode) {
228 while (*pToken & 0x80000000)
229 ++pToken;
230
231 /* Handle declarations */
232 } else if (WINED3DSIO_DCL == curOpcode->opcode) {
233
234 DWORD usage = *pToken++;
235 DWORD param = *pToken++;
236 DWORD regtype = shader_get_regtype(param);
237 unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
238
239 /* Vshader: mark attributes used
240 Pshader: mark 3.0 input registers used, save token */
241 if (WINED3DSPR_INPUT == regtype) {
242
243 if (!pshader)
244 reg_maps->attributes[regnum] = 1;
245 else
246 reg_maps->packed_input[regnum] = 1;
247
248 semantics_in[regnum].usage = usage;
249 semantics_in[regnum].reg = param;
250
251 /* Vshader: mark 3.0 output registers used, save token */
252 } else if (WINED3DSPR_OUTPUT == regtype) {
253 reg_maps->packed_output[regnum] = 1;
254 semantics_out[regnum].usage = usage;
255 semantics_out[regnum].reg = param;
256
257 /* Save sampler usage token */
258 } else if (WINED3DSPR_SAMPLER == regtype)
259 reg_maps->samplers[regnum] = usage;
260
261 } else if (WINED3DSIO_DEF == curOpcode->opcode) {
262
263 local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
264 if (!lconst) return E_OUTOFMEMORY;
265 lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
266 memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
267 list_add_head(&This->baseShader.constantsF, &lconst->entry);
268 pToken += curOpcode->num_params;
269
270 } else if (WINED3DSIO_DEFI == curOpcode->opcode) {
271
272 local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
273 if (!lconst) return E_OUTOFMEMORY;
274 lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
275 memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
276 list_add_head(&This->baseShader.constantsI, &lconst->entry);
277 pToken += curOpcode->num_params;
278
279 } else if (WINED3DSIO_DEFB == curOpcode->opcode) {
280
281 local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
282 if (!lconst) return E_OUTOFMEMORY;
283 lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
284 memcpy(&lconst->value, pToken + 1, 1 * sizeof(DWORD));
285 list_add_head(&This->baseShader.constantsB, &lconst->entry);
286 pToken += curOpcode->num_params;
287
288 /* If there's a loop in the shader */
289 } else if (WINED3DSIO_LOOP == curOpcode->opcode ||
290 WINED3DSIO_REP == curOpcode->opcode) {
291 reg_maps->loop = 1;
292 pToken += curOpcode->num_params;
293
294 /* For subroutine prototypes */
295 } else if (WINED3DSIO_LABEL == curOpcode->opcode) {
296
297 DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
298 reg_maps->labels[snum] = 1;
299 pToken += curOpcode->num_params;
300
301 } else if(WINED3DSIO_BEM == curOpcode->opcode) {
302 DWORD regnum = *pToken & WINED3DSP_REGNUM_MASK;
303 if(reg_maps->bumpmat != -1 && reg_maps->bumpmat != regnum) {
304 FIXME("Pixel shader uses bem or texbem instruction on more than 1 sampler\n");
305 } else {
306 reg_maps->bumpmat = regnum;
307 }
308
309 /* Set texture, address, temporary registers */
310 } else {
311 int i, limit;
312
313 /* Declare 1.X samplers implicitly, based on the destination reg. number */
314 if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 &&
315 (WINED3DSIO_TEX == curOpcode->opcode ||
316 WINED3DSIO_TEXBEM == curOpcode->opcode ||
317 WINED3DSIO_TEXBEML == curOpcode->opcode ||
318 WINED3DSIO_TEXDP3TEX == curOpcode->opcode ||
319 WINED3DSIO_TEXM3x2TEX == curOpcode->opcode ||
320 WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode ||
321 WINED3DSIO_TEXM3x3TEX == curOpcode->opcode ||
322 WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode ||
323 WINED3DSIO_TEXREG2AR == curOpcode->opcode ||
324 WINED3DSIO_TEXREG2GB == curOpcode->opcode ||
325 WINED3DSIO_TEXREG2RGB == curOpcode->opcode)) {
326
327 /* Fake sampler usage, only set reserved bit and ttype */
328 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
329
330 if(!stateBlock->textures[sampler_code]) {
331 ERR("No texture bound to sampler %d\n", sampler_code);
332 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
333 } else {
334 int texType = IWineD3DBaseTexture_GetTextureDimensions(stateBlock->textures[sampler_code]);
335 switch(texType) {
336 case GL_TEXTURE_2D:
337 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
338 break;
339
340 case GL_TEXTURE_3D:
341 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_VOLUME;
342 break;
343
344 case GL_TEXTURE_CUBE_MAP_ARB:
345 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_CUBE;
346 break;
347
348 default:
349 ERR("Unexpected gl texture type found: %d\n", texType);
350 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
351 }
352 }
353
354 /* texbem is only valid with < 1.4 pixel shaders */
355 if(WINED3DSIO_TEXBEM == curOpcode->opcode) {
356 if(reg_maps->bumpmat != -1 && reg_maps->bumpmat != sampler_code) {
357 FIXME("Pixel shader uses texbem instruction on more than 1 sampler\n");
358 } else {
359 reg_maps->bumpmat = sampler_code;
360 }
361 }
362 }
363
364 /* This will loop over all the registers and try to
365 * make a bitmask of the ones we're interested in.
366 *
367 * Relative addressing tokens are ignored, but that's
368 * okay, since we'll catch any address registers when
369 * they are initialized (required by spec) */
370
371 limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
372 curOpcode->num_params + 1: curOpcode->num_params;
373
374 for (i = 0; i < limit; ++i) {
375
376 DWORD param, addr_token, reg, regtype;
377 pToken += shader_get_param(iface, pToken, &param, &addr_token);
378
379 regtype = shader_get_regtype(param);
380 reg = param & WINED3DSP_REGNUM_MASK;
381
382 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
383
384 if (pshader)
385 reg_maps->texcoord[reg] = 1;
386 else
387 reg_maps->address[reg] = 1;
388 }
389
390 else if (WINED3DSPR_TEMP == regtype)
391 reg_maps->temporary[reg] = 1;
392
393 else if (WINED3DSPR_INPUT == regtype && !pshader)
394 reg_maps->attributes[reg] = 1;
395
396 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
397 reg_maps->fog = 1;
398 }
399 }
400 }
401
402 return WINED3D_OK;
403 }
404
405 static void shader_dump_decl_usage(
406 IWineD3DBaseShaderImpl* This,
407 DWORD decl,
408 DWORD param) {
409
410 DWORD regtype = shader_get_regtype(param);
411
412 TRACE("dcl");
413
414 if (regtype == WINED3DSPR_SAMPLER) {
415 DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
416
417 switch (ttype) {
418 case WINED3DSTT_2D: TRACE("_2d"); break;
419 case WINED3DSTT_CUBE: TRACE("_cube"); break;
420 case WINED3DSTT_VOLUME: TRACE("_volume"); break;
421 default: TRACE("_unknown_ttype(%08x)", ttype);
422 }
423
424 } else {
425
426 DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
427 DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
428
429 /* Pixel shaders 3.0 don't have usage semantics */
430 char pshader = shader_is_pshader_version(This->baseShader.hex_version);
431 if (pshader && This->baseShader.hex_version < WINED3DPS_VERSION(3,0))
432 return;
433 else
434 TRACE("_");
435
436 switch(usage) {
437 case WINED3DDECLUSAGE_POSITION:
438 TRACE("position%d", idx);
439 break;
440 case WINED3DDECLUSAGE_BLENDINDICES:
441 TRACE("blend");
442 break;
443 case WINED3DDECLUSAGE_BLENDWEIGHT:
444 TRACE("weight");
445 break;
446 case WINED3DDECLUSAGE_NORMAL:
447 TRACE("normal%d", idx);
448 break;
449 case WINED3DDECLUSAGE_PSIZE:
450 TRACE("psize");
451 break;
452 case WINED3DDECLUSAGE_COLOR:
453 if(idx == 0) {
454 TRACE("color");
455 } else {
456 TRACE("specular%d", (idx - 1));
457 }
458 break;
459 case WINED3DDECLUSAGE_TEXCOORD:
460 TRACE("texture%d", idx);
461 break;
462 case WINED3DDECLUSAGE_TANGENT:
463 TRACE("tangent");
464 break;
465 case WINED3DDECLUSAGE_BINORMAL:
466 TRACE("binormal");
467 break;
468 case WINED3DDECLUSAGE_TESSFACTOR:
469 TRACE("tessfactor");
470 break;
471 case WINED3DDECLUSAGE_POSITIONT:
472 TRACE("positionT%d", idx);
473 break;
474 case WINED3DDECLUSAGE_FOG:
475 TRACE("fog");
476 break;
477 case WINED3DDECLUSAGE_DEPTH:
478 TRACE("depth");
479 break;
480 case WINED3DDECLUSAGE_SAMPLE:
481 TRACE("sample");
482 break;
483 default:
484 FIXME("unknown_semantics(%08x)", usage);
485 }
486 }
487 }
488
489 static void shader_dump_arr_entry(
490 IWineD3DBaseShader *iface,
491 const DWORD param,
492 const DWORD addr_token,
493 unsigned int reg,
494 int input) {
495
496 char relative =
497 ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
498
499 if (relative) {
500 TRACE("[");
501 if (addr_token)
502 shader_dump_param(iface, addr_token, 0, input);
503 else
504 TRACE("a0.x");
505 TRACE(" + ");
506 }
507 TRACE("%u", reg);
508 if (relative)
509 TRACE("]");
510 }
511
512 void shader_dump_param(
513 IWineD3DBaseShader *iface,
514 const DWORD param,
515 const DWORD addr_token,
516 int input) {
517
518 IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
519 static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
520 char swizzle_reg_chars[4];
521
522 DWORD reg = param & WINED3DSP_REGNUM_MASK;
523 DWORD regtype = shader_get_regtype(param);
524 DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
525
526 /* There are some minor differences between pixel and vertex shaders */
527 char pshader = shader_is_pshader_version(This->baseShader.hex_version);
528
529 /* For one, we'd prefer color components to be shown for pshaders.
530 * FIXME: use the swizzle function for this */
531
532 swizzle_reg_chars[0] = pshader? 'r': 'x';
533 swizzle_reg_chars[1] = pshader? 'g': 'y';
534 swizzle_reg_chars[2] = pshader? 'b': 'z';
535 swizzle_reg_chars[3] = pshader? 'a': 'w';
536
537 if (input) {
538 if ( (modifier == WINED3DSPSM_NEG) ||
539 (modifier == WINED3DSPSM_BIASNEG) ||
540 (modifier == WINED3DSPSM_SIGNNEG) ||
541 (modifier == WINED3DSPSM_X2NEG) ||
542 (modifier == WINED3DSPSM_ABSNEG) )
543 TRACE("-");
544 else if (modifier == WINED3DSPSM_COMP)
545 TRACE("1-");
546 else if (modifier == WINED3DSPSM_NOT)
547 TRACE("!");
548
549 if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
550 TRACE("abs(");
551 }
552
553 switch (regtype) {
554 case WINED3DSPR_TEMP:
555 TRACE("r%u", reg);
556 break;
557 case WINED3DSPR_INPUT:
558 TRACE("v");
559 shader_dump_arr_entry(iface, param, addr_token, reg, input);
560 break;
561 case WINED3DSPR_CONST:
562 case WINED3DSPR_CONST2:
563 case WINED3DSPR_CONST3:
564 case WINED3DSPR_CONST4:
565 TRACE("c");
566 shader_dump_arr_entry(iface, param, addr_token, shader_get_float_offset(param), input);
567 break;
568 case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
569 TRACE("%c%u", (pshader? 't':'a'), reg);
570 break;
571 case WINED3DSPR_RASTOUT:
572 TRACE("%s", rastout_reg_names[reg]);
573 break;
574 case WINED3DSPR_COLOROUT:
575 TRACE("oC%u", reg);
576 break;
577 case WINED3DSPR_DEPTHOUT:
578 TRACE("oDepth");
579 break;
580 case WINED3DSPR_ATTROUT:
581 TRACE("oD%u", reg);
582 break;
583 case WINED3DSPR_TEXCRDOUT:
584
585 /* Vertex shaders >= 3.0 use general purpose output registers
586 * (WINED3DSPR_OUTPUT), which can include an address token */
587
588 if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) {
589 TRACE("o");
590 shader_dump_arr_entry(iface, param, addr_token, reg, input);
591 }
592 else
593 TRACE("oT%u", reg);
594 break;
595 case WINED3DSPR_CONSTINT:
596 TRACE("i");
597 shader_dump_arr_entry(iface, param, addr_token, reg, input);
598 break;
599 case WINED3DSPR_CONSTBOOL:
600 TRACE("b");
601 shader_dump_arr_entry(iface, param, addr_token, reg, input);
602 break;
603 case WINED3DSPR_LABEL:
604 TRACE("l%u", reg);
605 break;
606 case WINED3DSPR_LOOP:
607 TRACE("aL");
608 break;
609 case WINED3DSPR_SAMPLER:
610 TRACE("s%u", reg);
611 break;
612 case WINED3DSPR_PREDICATE:
613 TRACE("p%u", reg);
614 break;
615 default:
616 TRACE("unhandled_rtype(%#x)", regtype);
617 break;
618 }
619
620 if (!input) {
621 /* operand output (for modifiers and shift, see dump_ins_modifiers) */
622
623 if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
624 TRACE(".");
625 if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
626 if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
627 if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
628 if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
629 }
630
631 } else {
632 /** operand input */
633 DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
634 DWORD swizzle_r = swizzle & 0x03;
635 DWORD swizzle_g = (swizzle >> 2) & 0x03;
636 DWORD swizzle_b = (swizzle >> 4) & 0x03;
637 DWORD swizzle_a = (swizzle >> 6) & 0x03;
638
639 if (0 != modifier) {
640 switch (modifier) {
641 case WINED3DSPSM_NONE: break;
642 case WINED3DSPSM_NEG: break;
643 case WINED3DSPSM_NOT: break;
644 case WINED3DSPSM_BIAS: TRACE("_bias"); break;
645 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
646 case WINED3DSPSM_SIGN: TRACE("_bx2"); break;
647 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
648 case WINED3DSPSM_COMP: break;
649 case WINED3DSPSM_X2: TRACE("_x2"); break;
650 case WINED3DSPSM_X2NEG: TRACE("_x2"); break;
651 case WINED3DSPSM_DZ: TRACE("_dz"); break;
652 case WINED3DSPSM_DW: TRACE("_dw"); break;
653 case WINED3DSPSM_ABSNEG: TRACE(")"); break;
654 case WINED3DSPSM_ABS: TRACE(")"); break;
655 default:
656 TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
657 }
658 }
659
660 /**
661 * swizzle bits fields:
662 * RRGGBBAA
663 */
664 if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
665 if (swizzle_r == swizzle_g &&
666 swizzle_r == swizzle_b &&
667 swizzle_r == swizzle_a) {
668 TRACE(".%c", swizzle_reg_chars[swizzle_r]);
669 } else {
670 TRACE(".%c%c%c%c",
671 swizzle_reg_chars[swizzle_r],
672 swizzle_reg_chars[swizzle_g],
673 swizzle_reg_chars[swizzle_b],
674 swizzle_reg_chars[swizzle_a]);
675 }
676 }
677 }
678 }
679
680 /** Shared code in order to generate the bulk of the shader string.
681 Use the shader_header_fct & shader_footer_fct to add strings
682 that are specific to pixel or vertex functions
683 NOTE: A description of how to parse tokens can be found at:
684 http://msdn.microsoft.com/library/default.asp?url=/library/en-us/graphics/hh/graphics/usermodedisplaydriver_shader_cc8e4e05-f5c3-4ec0-8853-8ce07c1551b2.xml.asp */
685 void shader_generate_main(
686 IWineD3DBaseShader *iface,
687 SHADER_BUFFER* buffer,
688 shader_reg_maps* reg_maps,
689 CONST DWORD* pFunction) {
690
691 IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
692 const DWORD *pToken = pFunction;
693 const SHADER_OPCODE *curOpcode = NULL;
694 SHADER_HANDLER hw_fct = NULL;
695 DWORD i;
696 SHADER_OPCODE_ARG hw_arg;
697
698 /* Initialize current parsing state */
699 hw_arg.shader = iface;
700 hw_arg.buffer = buffer;
701 hw_arg.reg_maps = reg_maps;
702 This->baseShader.parse_state.current_row = 0;
703
704 /* Second pass, process opcodes */
705 if (NULL != pToken) {
706 while (WINED3DPS_END() != *pToken) {
707
708 /* Skip version token */
709 if (shader_is_version_token(*pToken)) {
710 ++pToken;
711 continue;
712 }
713
714 /* Skip comment tokens */
715 if (shader_is_comment(*pToken)) {
716 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
717 ++pToken;
718 TRACE("#%s\n", (const char*)pToken);
719 pToken += comment_len;
720 continue;
721 }
722
723 /* Read opcode */
724 hw_arg.opcode_token = *pToken++;
725 curOpcode = shader_get_opcode(iface, hw_arg.opcode_token);
726
727 /* Select handler */
728 if (curOpcode == NULL)
729 hw_fct = NULL;
730 else if (This->baseShader.shader_mode == SHADER_GLSL)
731 hw_fct = curOpcode->hw_glsl_fct;
732 else if (This->baseShader.shader_mode == SHADER_ARB)
733 hw_fct = curOpcode->hw_fct;
734
735 /* Unknown opcode and its parameters */
736 if (NULL == curOpcode) {
737 FIXME("Unrecognized opcode: token=%08x\n", hw_arg.opcode_token);
738 pToken += shader_skip_unrecognized(iface, pToken);
739
740 /* Nothing to do */
741 } else if (WINED3DSIO_DCL == curOpcode->opcode ||
742 WINED3DSIO_NOP == curOpcode->opcode ||
743 WINED3DSIO_DEF == curOpcode->opcode ||
744 WINED3DSIO_DEFI == curOpcode->opcode ||
745 WINED3DSIO_DEFB == curOpcode->opcode ||
746 WINED3DSIO_PHASE == curOpcode->opcode ||
747 WINED3DSIO_RET == curOpcode->opcode) {
748
749 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
750
751 /* If a generator function is set for current shader target, use it */
752 } else if (hw_fct != NULL) {
753
754 hw_arg.opcode = curOpcode;
755
756 /* Destination token */
757 if (curOpcode->dst_token) {
758
759 DWORD param, addr_token = 0;
760 pToken += shader_get_param(iface, pToken, &param, &addr_token);
761 hw_arg.dst = param;
762 hw_arg.dst_addr = addr_token;
763 }
764
765 /* Predication token */
766 if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
767 hw_arg.predicate = *pToken++;
768
769 /* Other source tokens */
770 for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); i++) {
771
772 DWORD param, addr_token = 0;
773 pToken += shader_get_param(iface, pToken, &param, &addr_token);
774 hw_arg.src[i] = param;
775 hw_arg.src_addr[i] = addr_token;
776 }
777
778 /* Call appropriate function for output target */
779 hw_fct(&hw_arg);
780
781 /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
782 if (This->baseShader.shader_mode == SHADER_GLSL)
783 shader_glsl_add_instruction_modifiers(&hw_arg);
784
785 /* Unhandled opcode */
786 } else {
787
788 FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
789 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
790 }
791 }
792 /* TODO: What about result.depth? */
793
794 }
795 }
796
797 void shader_dump_ins_modifiers(const DWORD output) {
798
799 DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
800 DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
801
802 switch (shift) {
803 case 0: break;
804 case 13: TRACE("_d8"); break;
805 case 14: TRACE("_d4"); break;
806 case 15: TRACE("_d2"); break;
807 case 1: TRACE("_x2"); break;
808 case 2: TRACE("_x4"); break;
809 case 3: TRACE("_x8"); break;
810 default: TRACE("_unhandled_shift(%d)", shift); break;
811 }
812
813 if (mmask & WINED3DSPDM_SATURATE) TRACE("_sat");
814 if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
815 if (mmask & WINED3DSPDM_MSAMPCENTROID) TRACE("_centroid");
816
817 mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
818 if (mmask)
819 FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
820 }
821
822 /* First pass: trace shader, initialize length and version */
823 void shader_trace_init(
824 IWineD3DBaseShader *iface,
825 const DWORD* pFunction) {
826
827 IWineD3DBaseShaderImpl *This =(IWineD3DBaseShaderImpl *)iface;
828
829 const DWORD* pToken = pFunction;
830 const SHADER_OPCODE* curOpcode = NULL;
831 DWORD opcode_token;
832 unsigned int len = 0;
833 DWORD i;
834
835 TRACE("(%p) : Parsing programme\n", This);
836
837 if (NULL != pToken) {
838 while (WINED3DVS_END() != *pToken) {
839 if (shader_is_version_token(*pToken)) { /** version */
840 This->baseShader.hex_version = *pToken;
841 TRACE("%s_%u_%u\n", shader_is_pshader_version(This->baseShader.hex_version)? "ps": "vs",
842 WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version),
843 WINED3DSHADER_VERSION_MINOR(This->baseShader.hex_version));
844 ++pToken;
845 ++len;
846 continue;
847 }
848 if (shader_is_comment(*pToken)) { /** comment */
849 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
850 ++pToken;
851 TRACE("//%s\n", (const char*)pToken);
852 pToken += comment_len;
853 len += comment_len + 1;
854 continue;
855 }
856 opcode_token = *pToken++;
857 curOpcode = shader_get_opcode(iface, opcode_token);
858 len++;
859
860 if (NULL == curOpcode) {
861 int tokens_read;
862 FIXME("Unrecognized opcode: token=%08x\n", opcode_token);
863 tokens_read = shader_skip_unrecognized(iface, pToken);
864 pToken += tokens_read;
865 len += tokens_read;
866
867 } else {
868 if (curOpcode->opcode == WINED3DSIO_DCL) {
869
870 DWORD usage = *pToken;
871 DWORD param = *(pToken + 1);
872
873 shader_dump_decl_usage(This, usage, param);
874 shader_dump_ins_modifiers(param);
875 TRACE(" ");
876 shader_dump_param(iface, param, 0, 0);
877 pToken += 2;
878 len += 2;
879
880 } else if (curOpcode->opcode == WINED3DSIO_DEF) {
881
882 unsigned int offset = shader_get_float_offset(*pToken);
883
884 TRACE("def c%u = %f, %f, %f, %f", offset,
885 *(const float *)(pToken + 1),
886 *(const float *)(pToken + 2),
887 *(const float *)(pToken + 3),
888 *(const float *)(pToken + 4));
889
890 pToken += 5;
891 len += 5;
892 } else if (curOpcode->opcode == WINED3DSIO_DEFI) {
893
894 TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
895 *(pToken + 1),
896 *(pToken + 2),
897 *(pToken + 3),
898 *(pToken + 4));
899
900 pToken += 5;
901 len += 5;
902
903 } else if (curOpcode->opcode == WINED3DSIO_DEFB) {
904
905 TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
906 *(pToken + 1)? "true": "false");
907
908 pToken += 2;
909 len += 2;
910
911 } else {
912
913 DWORD param, addr_token;
914 int tokens_read;
915
916 /* Print out predication source token first - it follows
917 * the destination token. */
918 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
919 TRACE("(");
920 shader_dump_param(iface, *(pToken + 2), 0, 1);
921 TRACE(") ");
922 }
923
924 TRACE("%s", curOpcode->name);
925
926 if (curOpcode->opcode == WINED3DSIO_IFC ||
927 curOpcode->opcode == WINED3DSIO_BREAKC) {
928
929 DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
930 switch (op) {
931 case COMPARISON_GT: TRACE("_gt"); break;
932 case COMPARISON_EQ: TRACE("_eq"); break;
933 case COMPARISON_GE: TRACE("_ge"); break;
934 case COMPARISON_LT: TRACE("_lt"); break;
935 case COMPARISON_NE: TRACE("_ne"); break;
936 case COMPARISON_LE: TRACE("_le"); break;
937 default:
938 TRACE("_(%u)", op);
939 }
940 } else if (curOpcode->opcode == WINED3DSIO_TEX &&
941 This->baseShader.hex_version >= WINED3DPS_VERSION(2,0)) {
942 if(opcode_token & WINED3DSI_TEXLD_PROJECT) TRACE("p");
943 }
944
945 /* Destination token */
946 if (curOpcode->dst_token) {
947
948 /* Destination token */
949 tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
950 pToken += tokens_read;
951 len += tokens_read;
952
953 shader_dump_ins_modifiers(param);
954 TRACE(" ");
955 shader_dump_param(iface, param, addr_token, 0);
956 }
957
958 /* Predication token - already printed out, just skip it */
959 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
960 pToken++;
961 len++;
962 }
963
964 /* Other source tokens */
965 for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i) {
966
967 tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
968 pToken += tokens_read;
969 len += tokens_read;
970
971 TRACE((i == 0)? " " : ", ");
972 shader_dump_param(iface, param, addr_token, 1);
973 }
974 }
975 TRACE("\n");
976 }
977 }
978 This->baseShader.functionLength = (len + 1) * sizeof(DWORD);
979 } else {
980 This->baseShader.functionLength = 1; /* no Function defined use fixed function vertex processing */
981 }
982 }
983
984 void shader_delete_constant_list(
985 struct list* clist) {
986
987 struct list *ptr;
988 struct local_constant* constant;
989
990 ptr = list_head(clist);
991 while (ptr) {
992 constant = LIST_ENTRY(ptr, struct local_constant, entry);
993 ptr = list_next(clist, ptr);
994 HeapFree(GetProcessHeap(), 0, constant);
995 }
996 }
997
998 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
999 static void shader_none_select_depth_blt(IWineD3DDevice *iface) {}
1000 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1001 static void shader_none_cleanup(IWineD3DDevice *iface) {}
1002
1003 const shader_backend_t none_shader_backend = {
1004 &shader_none_select,
1005 &shader_none_select_depth_blt,
1006 &shader_none_load_constants,
1007 &shader_none_cleanup
1008 };
useful hacks and other patches not (yet) suitable for mainline