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push 52cba0a224aad01bcbdb26d79e43229ba950650e
[wine/hacks.git] / dlls / wined3d / baseshader.c
blob1746917e6bb456535a35f020232256cf34d4d10e
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 * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
10 * Copyright 2009 Henri Verbeet for CodeWeavers
11 *
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
16 *
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 */
26
27 #include "config.h"
28 #include <string.h>
29 #include <stdio.h>
30 #include "wined3d_private.h"
31
32 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
33 WINE_DECLARE_DEBUG_CHANNEL(d3d);
34
35 static const char *shader_opcode_names[] =
36 {
37 /* WINED3DSIH_ABS */ "abs",
38 /* WINED3DSIH_ADD */ "add",
39 /* WINED3DSIH_BEM */ "bem",
40 /* WINED3DSIH_BREAK */ "break",
41 /* WINED3DSIH_BREAKC */ "breakc",
42 /* WINED3DSIH_BREAKP */ "breakp",
43 /* WINED3DSIH_CALL */ "call",
44 /* WINED3DSIH_CALLNZ */ "callnz",
45 /* WINED3DSIH_CMP */ "cmp",
46 /* WINED3DSIH_CND */ "cnd",
47 /* WINED3DSIH_CRS */ "crs",
48 /* WINED3DSIH_DCL */ "dcl",
49 /* WINED3DSIH_DEF */ "def",
50 /* WINED3DSIH_DEFB */ "defb",
51 /* WINED3DSIH_DEFI */ "defi",
52 /* WINED3DSIH_DP2ADD */ "dp2add",
53 /* WINED3DSIH_DP3 */ "dp3",
54 /* WINED3DSIH_DP4 */ "dp4",
55 /* WINED3DSIH_DST */ "dst",
56 /* WINED3DSIH_DSX */ "dsx",
57 /* WINED3DSIH_DSY */ "dsy",
58 /* WINED3DSIH_ELSE */ "else",
59 /* WINED3DSIH_ENDIF */ "endif",
60 /* WINED3DSIH_ENDLOOP */ "endloop",
61 /* WINED3DSIH_ENDREP */ "endrep",
62 /* WINED3DSIH_EXP */ "exp",
63 /* WINED3DSIH_EXPP */ "expp",
64 /* WINED3DSIH_FRC */ "frc",
65 /* WINED3DSIH_IF */ "if",
66 /* WINED3DSIH_IFC */ "ifc",
67 /* WINED3DSIH_LABEL */ "label",
68 /* WINED3DSIH_LIT */ "lit",
69 /* WINED3DSIH_LOG */ "log",
70 /* WINED3DSIH_LOGP */ "logp",
71 /* WINED3DSIH_LOOP */ "loop",
72 /* WINED3DSIH_LRP */ "lrp",
73 /* WINED3DSIH_M3x2 */ "m3x2",
74 /* WINED3DSIH_M3x3 */ "m3x3",
75 /* WINED3DSIH_M3x4 */ "m3x4",
76 /* WINED3DSIH_M4x3 */ "m4x3",
77 /* WINED3DSIH_M4x4 */ "m4x4",
78 /* WINED3DSIH_MAD */ "mad",
79 /* WINED3DSIH_MAX */ "max",
80 /* WINED3DSIH_MIN */ "min",
81 /* WINED3DSIH_MOV */ "mov",
82 /* WINED3DSIH_MOVA */ "mova",
83 /* WINED3DSIH_MUL */ "mul",
84 /* WINED3DSIH_NOP */ "nop",
85 /* WINED3DSIH_NRM */ "nrm",
86 /* WINED3DSIH_PHASE */ "phase",
87 /* WINED3DSIH_POW */ "pow",
88 /* WINED3DSIH_RCP */ "rcp",
89 /* WINED3DSIH_REP */ "rep",
90 /* WINED3DSIH_RET */ "ret",
91 /* WINED3DSIH_RSQ */ "rsq",
92 /* WINED3DSIH_SETP */ "setp",
93 /* WINED3DSIH_SGE */ "sge",
94 /* WINED3DSIH_SGN */ "sgn",
95 /* WINED3DSIH_SINCOS */ "sincos",
96 /* WINED3DSIH_SLT */ "slt",
97 /* WINED3DSIH_SUB */ "sub",
98 /* WINED3DSIH_TEX */ "texld",
99 /* WINED3DSIH_TEXBEM */ "texbem",
100 /* WINED3DSIH_TEXBEML */ "texbeml",
101 /* WINED3DSIH_TEXCOORD */ "texcrd",
102 /* WINED3DSIH_TEXDEPTH */ "texdepth",
103 /* WINED3DSIH_TEXDP3 */ "texdp3",
104 /* WINED3DSIH_TEXDP3TEX */ "texdp3tex",
105 /* WINED3DSIH_TEXKILL */ "texkill",
106 /* WINED3DSIH_TEXLDD */ "texldd",
107 /* WINED3DSIH_TEXLDL */ "texldl",
108 /* WINED3DSIH_TEXM3x2DEPTH */ "texm3x2depth",
109 /* WINED3DSIH_TEXM3x2PAD */ "texm3x2pad",
110 /* WINED3DSIH_TEXM3x2TEX */ "texm3x2tex",
111 /* WINED3DSIH_TEXM3x3 */ "texm3x3",
112 /* WINED3DSIH_TEXM3x3DIFF */ "texm3x3diff",
113 /* WINED3DSIH_TEXM3x3PAD */ "texm3x3pad",
114 /* WINED3DSIH_TEXM3x3SPEC */ "texm3x3spec",
115 /* WINED3DSIH_TEXM3x3TEX */ "texm3x3tex",
116 /* WINED3DSIH_TEXM3x3VSPEC */ "texm3x3vspec",
117 /* WINED3DSIH_TEXREG2AR */ "texreg2ar",
118 /* WINED3DSIH_TEXREG2GB */ "texreg2gb",
119 /* WINED3DSIH_TEXREG2RGB */ "texreg2rgb",
120 };
121
122 const struct wined3d_shader_frontend *shader_select_frontend(DWORD version_token)
123 {
124 switch (version_token >> 16)
125 {
126 case WINED3D_SM1_VS:
127 case WINED3D_SM1_PS:
128 return &sm1_shader_frontend;
129
130 case WINED3D_SM4_PS:
131 case WINED3D_SM4_VS:
132 case WINED3D_SM4_GS:
133 return &sm4_shader_frontend;
134
135 default:
136 FIXME("Unrecognised version token %#x\n", version_token);
137 return NULL;
138 }
139 }
140
141 static inline BOOL shader_is_version_token(DWORD token) {
142 return shader_is_pshader_version(token) ||
143 shader_is_vshader_version(token);
144 }
145
146 void shader_buffer_init(struct SHADER_BUFFER *buffer)
147 {
148 buffer->buffer = HeapAlloc(GetProcessHeap(), 0, SHADER_PGMSIZE);
149 buffer->buffer[0] = '\0';
150 buffer->bsize = 0;
151 buffer->lineNo = 0;
152 buffer->newline = TRUE;
153 }
154
155 void shader_buffer_free(struct SHADER_BUFFER *buffer)
156 {
157 HeapFree(GetProcessHeap(), 0, buffer->buffer);
158 }
159
160 int shader_vaddline(SHADER_BUFFER* buffer, const char *format, va_list args)
161 {
162 char* base = buffer->buffer + buffer->bsize;
163 int rc;
164
165 rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
166
167 if (rc < 0 || /* C89 */
168 rc > SHADER_PGMSIZE - 1 - buffer->bsize) { /* C99 */
169
170 ERR("The buffer allocated for the shader program string "
171 "is too small at %d bytes.\n", SHADER_PGMSIZE);
172 buffer->bsize = SHADER_PGMSIZE - 1;
173 return -1;
174 }
175
176 if (buffer->newline) {
177 TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
178 buffer->newline = FALSE;
179 } else {
180 TRACE("%s", base);
181 }
182
183 buffer->bsize += rc;
184 if (buffer->buffer[buffer->bsize-1] == '\n') {
185 buffer->lineNo++;
186 buffer->newline = TRUE;
187 }
188 return 0;
189 }
190
191 int shader_addline(SHADER_BUFFER* buffer, const char *format, ...)
192 {
193 int ret;
194 va_list args;
195
196 va_start(args, format);
197 ret = shader_vaddline(buffer, format, args);
198 va_end(args);
199
200 return ret;
201 }
202
203 void shader_init(struct IWineD3DBaseShaderClass *shader, IWineD3DDevice *device)
204 {
205 shader->ref = 1;
206 shader->device = device;
207 list_init(&shader->linked_programs);
208 }
209
210 /* Convert floating point offset relative
211 * to a register file to an absolute offset for float constants */
212 static unsigned int shader_get_float_offset(WINED3DSHADER_PARAM_REGISTER_TYPE register_type, UINT register_idx)
213 {
214 switch (register_type)
215 {
216 case WINED3DSPR_CONST: return register_idx;
217 case WINED3DSPR_CONST2: return 2048 + register_idx;
218 case WINED3DSPR_CONST3: return 4096 + register_idx;
219 case WINED3DSPR_CONST4: return 6144 + register_idx;
220 default:
221 FIXME("Unsupported register type: %d\n", register_type);
222 return register_idx;
223 }
224 }
225
226 static void shader_delete_constant_list(struct list* clist) {
227
228 struct list *ptr;
229 struct local_constant* constant;
230
231 ptr = list_head(clist);
232 while (ptr) {
233 constant = LIST_ENTRY(ptr, struct local_constant, entry);
234 ptr = list_next(clist, ptr);
235 HeapFree(GetProcessHeap(), 0, constant);
236 }
237 list_init(clist);
238 }
239
240 static inline void set_bitmap_bit(DWORD *bitmap, DWORD bit)
241 {
242 DWORD idx, shift;
243 idx = bit >> 5;
244 shift = bit & 0x1f;
245 bitmap[idx] |= (1 << shift);
246 }
247
248 static void shader_record_register_usage(IWineD3DBaseShaderImpl *This, struct shader_reg_maps *reg_maps,
249 const struct wined3d_shader_register *reg, BOOL pshader)
250 {
251 switch (reg->type)
252 {
253 case WINED3DSPR_TEXTURE: /* WINED3DSPR_ADDR */
254 if (pshader) reg_maps->texcoord[reg->idx] = 1;
255 else reg_maps->address[reg->idx] = 1;
256 break;
257
258 case WINED3DSPR_TEMP:
259 reg_maps->temporary[reg->idx] = 1;
260 break;
261
262 case WINED3DSPR_INPUT:
263 if (!pshader) reg_maps->attributes[reg->idx] = 1;
264 else
265 {
266 if (reg->rel_addr)
267 {
268 /* If relative addressing is used, we must assume that all registers
269 * are used. Even if it is a construct like v3[aL], we can't assume
270 * that v0, v1 and v2 aren't read because aL can be negative */
271 unsigned int i;
272 for (i = 0; i < MAX_REG_INPUT; ++i)
273 {
274 ((IWineD3DPixelShaderImpl *)This)->input_reg_used[i] = TRUE;
275 }
276 }
277 else
278 {
279 ((IWineD3DPixelShaderImpl *)This)->input_reg_used[reg->idx] = TRUE;
280 }
281 }
282 break;
283
284 case WINED3DSPR_RASTOUT:
285 if (reg->idx == 1) reg_maps->fog = 1;
286 break;
287
288 case WINED3DSPR_MISCTYPE:
289 if (pshader && reg->idx == 0) reg_maps->vpos = 1;
290 break;
291
292 case WINED3DSPR_CONST:
293 if (reg->rel_addr)
294 {
295 if (!pshader)
296 {
297 if (reg->idx <= ((IWineD3DVertexShaderImpl *)This)->min_rel_offset)
298 ((IWineD3DVertexShaderImpl *)This)->min_rel_offset = reg->idx;
299 else if (reg->idx >= ((IWineD3DVertexShaderImpl *)This)->max_rel_offset)
300 ((IWineD3DVertexShaderImpl *)This)->max_rel_offset = reg->idx;
301 }
302 reg_maps->usesrelconstF = TRUE;
303 }
304 else
305 {
306 set_bitmap_bit(reg_maps->constf, reg->idx);
307 }
308 break;
309
310 case WINED3DSPR_CONSTINT:
311 reg_maps->integer_constants |= (1 << reg->idx);
312 break;
313
314 case WINED3DSPR_CONSTBOOL:
315 reg_maps->boolean_constants |= (1 << reg->idx);
316 break;
317
318 default:
319 TRACE("Not recording register of type %#x and idx %u\n", reg->type, reg->idx);
320 break;
321 }
322 }
323
324 static unsigned int get_instr_extra_regcount(enum WINED3D_SHADER_INSTRUCTION_HANDLER instr, unsigned int param)
325 {
326 switch(instr)
327 {
328 case WINED3DSIH_M4x4:
329 case WINED3DSIH_M3x4:
330 return param == 1 ? 3 : 0;
331
332 case WINED3DSIH_M4x3:
333 case WINED3DSIH_M3x3:
334 return param == 1 ? 2 : 0;
335
336 case WINED3DSIH_M3x2:
337 return param == 1 ? 1 : 0;
338
339 default:
340 return 0;
341 }
342 }
343
344 /* Note that this does not count the loop register
345 * as an address register. */
346
347 HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, const struct wined3d_shader_frontend *fe,
348 struct shader_reg_maps *reg_maps, struct wined3d_shader_semantic *semantics_in,
349 struct wined3d_shader_semantic *semantics_out, const DWORD *byte_code, DWORD constf_size)
350 {
351 IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
352 void *fe_data = This->baseShader.frontend_data;
353 struct wined3d_shader_version shader_version;
354 unsigned int cur_loop_depth = 0, max_loop_depth = 0;
355 const DWORD* pToken = byte_code;
356 char pshader;
357
358 /* There are some minor differences between pixel and vertex shaders */
359
360 memset(reg_maps, 0, sizeof(*reg_maps));
361
362 /* get_registers_used is called on every compile on some 1.x shaders, which can result
363 * in stacking up a collection of local constants. Delete the old constants if existing
364 */
365 shader_delete_constant_list(&This->baseShader.constantsF);
366 shader_delete_constant_list(&This->baseShader.constantsB);
367 shader_delete_constant_list(&This->baseShader.constantsI);
368
369 fe->shader_read_header(fe_data, &pToken, &shader_version);
370 reg_maps->shader_version = shader_version;
371 pshader = shader_is_pshader_version(shader_version.type);
372
373 reg_maps->constf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
374 sizeof(*reg_maps->constf) * ((constf_size + 31) / 32));
375 if(!reg_maps->constf) {
376 ERR("Out of memory\n");
377 return E_OUTOFMEMORY;
378 }
379
380 while (!fe->shader_is_end(fe_data, &pToken))
381 {
382 struct wined3d_shader_instruction ins;
383 const char *comment;
384 UINT param_size;
385
386 /* Skip comments */
387 fe->shader_read_comment(&pToken, &comment);
388 if (comment) continue;
389
390 /* Fetch opcode */
391 fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
392
393 /* Unhandled opcode, and its parameters */
394 if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
395 {
396 TRACE("Skipping unrecognized instruction.\n");
397 pToken += param_size;
398 continue;
399 }
400
401 /* Handle declarations */
402 if (ins.handler_idx == WINED3DSIH_DCL)
403 {
404 struct wined3d_shader_semantic semantic;
405
406 fe->shader_read_semantic(&pToken, &semantic);
407
408 switch (semantic.reg.reg.type)
409 {
410 /* Vshader: mark attributes used
411 * Pshader: mark 3.0 input registers used, save token */
412 case WINED3DSPR_INPUT:
413 if (!pshader) reg_maps->attributes[semantic.reg.reg.idx] = 1;
414 else reg_maps->packed_input[semantic.reg.reg.idx] = 1;
415 semantics_in[semantic.reg.reg.idx] = semantic;
416 break;
417
418 /* Vshader: mark 3.0 output registers used, save token */
419 case WINED3DSPR_OUTPUT:
420 reg_maps->packed_output[semantic.reg.reg.idx] = 1;
421 semantics_out[semantic.reg.reg.idx] = semantic;
422 if (semantic.usage == WINED3DDECLUSAGE_FOG) reg_maps->fog = 1;
423 break;
424
425 /* Save sampler usage token */
426 case WINED3DSPR_SAMPLER:
427 reg_maps->sampler_type[semantic.reg.reg.idx] = semantic.sampler_type;
428 break;
429
430 default:
431 TRACE("Not recording DCL register type %#x.\n", semantic.reg.reg.type);
432 break;
433 }
434 }
435 else if (ins.handler_idx == WINED3DSIH_DEF)
436 {
437 struct wined3d_shader_dst_param dst;
438 struct wined3d_shader_src_param rel_addr;
439
440 local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
441 if (!lconst) return E_OUTOFMEMORY;
442
443 fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
444 lconst->idx = dst.reg.idx;
445
446 memcpy(lconst->value, pToken, 4 * sizeof(DWORD));
447 pToken += 4;
448
449 /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
450 if (shader_version.major == 1 && pshader)
451 {
452 float *value = (float *) lconst->value;
453 if(value[0] < -1.0) value[0] = -1.0;
454 else if(value[0] > 1.0) value[0] = 1.0;
455 if(value[1] < -1.0) value[1] = -1.0;
456 else if(value[1] > 1.0) value[1] = 1.0;
457 if(value[2] < -1.0) value[2] = -1.0;
458 else if(value[2] > 1.0) value[2] = 1.0;
459 if(value[3] < -1.0) value[3] = -1.0;
460 else if(value[3] > 1.0) value[3] = 1.0;
461 }
462
463 list_add_head(&This->baseShader.constantsF, &lconst->entry);
464 }
465 else if (ins.handler_idx == WINED3DSIH_DEFI)
466 {
467 struct wined3d_shader_dst_param dst;
468 struct wined3d_shader_src_param rel_addr;
469
470 local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
471 if (!lconst) return E_OUTOFMEMORY;
472
473 fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
474 lconst->idx = dst.reg.idx;
475
476 memcpy(lconst->value, pToken, 4 * sizeof(DWORD));
477 pToken += 4;
478
479 list_add_head(&This->baseShader.constantsI, &lconst->entry);
480 }
481 else if (ins.handler_idx == WINED3DSIH_DEFB)
482 {
483 struct wined3d_shader_dst_param dst;
484 struct wined3d_shader_src_param rel_addr;
485
486 local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
487 if (!lconst) return E_OUTOFMEMORY;
488
489 fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
490 lconst->idx = dst.reg.idx;
491
492 memcpy(lconst->value, pToken, sizeof(DWORD));
493 ++pToken;
494
495 list_add_head(&This->baseShader.constantsB, &lconst->entry);
496 }
497 /* If there's a loop in the shader */
498 else if (ins.handler_idx == WINED3DSIH_LOOP
499 || ins.handler_idx == WINED3DSIH_REP)
500 {
501 struct wined3d_shader_src_param src, rel_addr;
502
503 fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
504
505 /* Rep and Loop always use an integer constant for the control parameters */
506 if (ins.handler_idx == WINED3DSIH_REP)
507 {
508 reg_maps->integer_constants |= 1 << src.reg.idx;
509 }
510 else
511 {
512 fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
513 reg_maps->integer_constants |= 1 << src.reg.idx;
514 }
515
516 cur_loop_depth++;
517 if(cur_loop_depth > max_loop_depth)
518 max_loop_depth = cur_loop_depth;
519 }
520 else if (ins.handler_idx == WINED3DSIH_ENDLOOP
521 || ins.handler_idx == WINED3DSIH_ENDREP)
522 {
523 cur_loop_depth--;
524 }
525 /* For subroutine prototypes */
526 else if (ins.handler_idx == WINED3DSIH_LABEL)
527 {
528 struct wined3d_shader_src_param src, rel_addr;
529
530 fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
531 reg_maps->labels[src.reg.idx] = 1;
532 }
533 /* Set texture, address, temporary registers */
534 else
535 {
536 int i, limit;
537
538 /* This will loop over all the registers and try to
539 * make a bitmask of the ones we're interested in.
540 *
541 * Relative addressing tokens are ignored, but that's
542 * okay, since we'll catch any address registers when
543 * they are initialized (required by spec) */
544
545 if (ins.dst_count)
546 {
547 struct wined3d_shader_dst_param dst_param;
548 struct wined3d_shader_src_param dst_rel_addr;
549
550 fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
551
552 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and
553 * is used in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel
554 * shaders because TECRDOUT isn't used in them, but future register types might cause issues */
555 if (!pshader && shader_version.major < 3 && dst_param.reg.type == WINED3DSPR_TEXCRDOUT)
556 {
557 reg_maps->texcoord_mask[dst_param.reg.type] |= dst_param.write_mask;
558 }
559 else
560 {
561 shader_record_register_usage(This, reg_maps, &dst_param.reg, pshader);
562 }
563
564 /* Declare 1.X samplers implicitly, based on the destination reg. number */
565 if (shader_version.major == 1
566 && pshader /* Filter different instructions with the same enum values in VS */
567 && (ins.handler_idx == WINED3DSIH_TEX
568 || ins.handler_idx == WINED3DSIH_TEXBEM
569 || ins.handler_idx == WINED3DSIH_TEXBEML
570 || ins.handler_idx == WINED3DSIH_TEXDP3TEX
571 || ins.handler_idx == WINED3DSIH_TEXM3x2TEX
572 || ins.handler_idx == WINED3DSIH_TEXM3x3SPEC
573 || ins.handler_idx == WINED3DSIH_TEXM3x3TEX
574 || ins.handler_idx == WINED3DSIH_TEXM3x3VSPEC
575 || ins.handler_idx == WINED3DSIH_TEXREG2AR
576 || ins.handler_idx == WINED3DSIH_TEXREG2GB
577 || ins.handler_idx == WINED3DSIH_TEXREG2RGB))
578 {
579 /* Fake sampler usage, only set reserved bit and ttype */
580 DWORD sampler_code = dst_param.reg.idx;
581
582 TRACE("Setting fake 2D sampler for 1.x pixelshader\n");
583 reg_maps->sampler_type[sampler_code] = WINED3DSTT_2D;
584
585 /* texbem is only valid with < 1.4 pixel shaders */
586 if (ins.handler_idx == WINED3DSIH_TEXBEM
587 || ins.handler_idx == WINED3DSIH_TEXBEML)
588 {
589 reg_maps->bumpmat[sampler_code] = TRUE;
590 if (ins.handler_idx == WINED3DSIH_TEXBEML)
591 {
592 reg_maps->luminanceparams[sampler_code] = TRUE;
593 }
594 }
595 }
596 else if (pshader && ins.handler_idx == WINED3DSIH_BEM)
597 {
598 reg_maps->bumpmat[dst_param.reg.idx] = TRUE;
599 }
600 }
601
602 if (ins.handler_idx == WINED3DSIH_NRM)
603 {
604 reg_maps->usesnrm = 1;
605 }
606 else if (ins.handler_idx == WINED3DSIH_DSY)
607 {
608 reg_maps->usesdsy = 1;
609 }
610 else if(ins.handler_idx == WINED3DSIH_TEXLDD)
611 {
612 reg_maps->usestexldd = 1;
613 }
614
615 limit = ins.src_count + (ins.predicate ? 1 : 0);
616 for (i = 0; i < limit; ++i)
617 {
618 struct wined3d_shader_src_param src_param, src_rel_addr;
619 unsigned int count;
620
621 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
622 count = get_instr_extra_regcount(ins.handler_idx, i);
623
624 shader_record_register_usage(This, reg_maps, &src_param.reg, pshader);
625 while (count)
626 {
627 ++src_param.reg.idx;
628 shader_record_register_usage(This, reg_maps, &src_param.reg, pshader);
629 --count;
630 }
631 }
632 }
633 }
634 reg_maps->loop_depth = max_loop_depth;
635
636 This->baseShader.functionLength = ((char *)pToken - (char *)byte_code);
637
638 return WINED3D_OK;
639 }
640
641 static void shader_dump_decl_usage(const struct wined3d_shader_semantic *semantic,
642 const struct wined3d_shader_version *shader_version)
643 {
644 TRACE("dcl");
645
646 if (semantic->reg.reg.type == WINED3DSPR_SAMPLER)
647 {
648 switch (semantic->sampler_type)
649 {
650 case WINED3DSTT_2D: TRACE("_2d"); break;
651 case WINED3DSTT_CUBE: TRACE("_cube"); break;
652 case WINED3DSTT_VOLUME: TRACE("_volume"); break;
653 default: TRACE("_unknown_ttype(0x%08x)", semantic->sampler_type);
654 }
655 }
656 else
657 {
658 /* Pixel shaders 3.0 don't have usage semantics */
659 if (shader_is_pshader_version(shader_version->type) && shader_version->major < 3)
660 return;
661 else
662 TRACE("_");
663
664 switch (semantic->usage)
665 {
666 case WINED3DDECLUSAGE_POSITION:
667 TRACE("position%d", semantic->usage_idx);
668 break;
669 case WINED3DDECLUSAGE_BLENDINDICES:
670 TRACE("blend");
671 break;
672 case WINED3DDECLUSAGE_BLENDWEIGHT:
673 TRACE("weight");
674 break;
675 case WINED3DDECLUSAGE_NORMAL:
676 TRACE("normal%d", semantic->usage_idx);
677 break;
678 case WINED3DDECLUSAGE_PSIZE:
679 TRACE("psize");
680 break;
681 case WINED3DDECLUSAGE_COLOR:
682 if (semantic->usage_idx == 0) TRACE("color");
683 else TRACE("specular%d", (semantic->usage_idx - 1));
684 break;
685 case WINED3DDECLUSAGE_TEXCOORD:
686 TRACE("texture%d", semantic->usage_idx);
687 break;
688 case WINED3DDECLUSAGE_TANGENT:
689 TRACE("tangent");
690 break;
691 case WINED3DDECLUSAGE_BINORMAL:
692 TRACE("binormal");
693 break;
694 case WINED3DDECLUSAGE_TESSFACTOR:
695 TRACE("tessfactor");
696 break;
697 case WINED3DDECLUSAGE_POSITIONT:
698 TRACE("positionT%d", semantic->usage_idx);
699 break;
700 case WINED3DDECLUSAGE_FOG:
701 TRACE("fog");
702 break;
703 case WINED3DDECLUSAGE_DEPTH:
704 TRACE("depth");
705 break;
706 case WINED3DDECLUSAGE_SAMPLE:
707 TRACE("sample");
708 break;
709 default:
710 FIXME("unknown_semantics(0x%08x)", semantic->usage);
711 }
712 }
713 }
714
715 static void shader_dump_register(const struct wined3d_shader_register *reg,
716 const struct wined3d_shader_version *shader_version)
717 {
718 static const char * const rastout_reg_names[] = {"oPos", "oFog", "oPts"};
719 static const char * const misctype_reg_names[] = {"vPos", "vFace"};
720 UINT offset = reg->idx;
721
722 switch (reg->type)
723 {
724 case WINED3DSPR_TEMP:
725 TRACE("r");
726 break;
727
728 case WINED3DSPR_INPUT:
729 TRACE("v");
730 break;
731
732 case WINED3DSPR_CONST:
733 case WINED3DSPR_CONST2:
734 case WINED3DSPR_CONST3:
735 case WINED3DSPR_CONST4:
736 TRACE("c");
737 offset = shader_get_float_offset(reg->type, reg->idx);
738 break;
739
740 case WINED3DSPR_TEXTURE: /* vs: case WINED3DSPR_ADDR */
741 TRACE("%c", shader_is_pshader_version(shader_version->type) ? 't' : 'a');
742 break;
743
744 case WINED3DSPR_RASTOUT:
745 TRACE("%s", rastout_reg_names[reg->idx]);
746 break;
747
748 case WINED3DSPR_COLOROUT:
749 TRACE("oC");
750 break;
751
752 case WINED3DSPR_DEPTHOUT:
753 TRACE("oDepth");
754 break;
755
756 case WINED3DSPR_ATTROUT:
757 TRACE("oD");
758 break;
759
760 case WINED3DSPR_TEXCRDOUT:
761 /* Vertex shaders >= 3.0 use general purpose output registers
762 * (WINED3DSPR_OUTPUT), which can include an address token */
763 if (shader_version->major >= 3) TRACE("o");
764 else TRACE("oT");
765 break;
766
767 case WINED3DSPR_CONSTINT:
768 TRACE("i");
769 break;
770
771 case WINED3DSPR_CONSTBOOL:
772 TRACE("b");
773 break;
774
775 case WINED3DSPR_LABEL:
776 TRACE("l");
777 break;
778
779 case WINED3DSPR_LOOP:
780 TRACE("aL");
781 break;
782
783 case WINED3DSPR_SAMPLER:
784 TRACE("s");
785 break;
786
787 case WINED3DSPR_MISCTYPE:
788 if (reg->idx > 1) FIXME("Unhandled misctype register %d\n", reg->idx);
789 else TRACE("%s", misctype_reg_names[reg->idx]);
790 break;
791
792 case WINED3DSPR_PREDICATE:
793 TRACE("p");
794 break;
795
796 case WINED3DSPR_IMMCONST:
797 TRACE("l");
798 break;
799
800 default:
801 TRACE("unhandled_rtype(%#x)", reg->type);
802 break;
803 }
804
805 if (reg->type == WINED3DSPR_IMMCONST)
806 {
807 TRACE("(");
808 switch (reg->immconst_type)
809 {
810 case WINED3D_IMMCONST_FLOAT:
811 TRACE("%.8e", *(float *)reg->immconst_data);
812 break;
813
814 case WINED3D_IMMCONST_FLOAT4:
815 TRACE("%.8e, %.8e, %.8e, %.8e",
816 *(float *)&reg->immconst_data[0], *(float *)&reg->immconst_data[1],
817 *(float *)&reg->immconst_data[2], *(float *)&reg->immconst_data[3]);
818 break;
819
820 default:
821 TRACE("<unhandled immconst_type %#x>", reg->immconst_type);
822 break;
823 }
824 TRACE(")");
825 }
826 else if (reg->type != WINED3DSPR_RASTOUT && reg->type != WINED3DSPR_MISCTYPE)
827 {
828 if (reg->rel_addr)
829 {
830 TRACE("[");
831 shader_dump_src_param(reg->rel_addr, shader_version);
832 TRACE(" + ");
833 }
834 TRACE("%u", offset);
835 if (reg->rel_addr) TRACE("]");
836 }
837 }
838
839 void shader_dump_dst_param(const struct wined3d_shader_dst_param *param,
840 const struct wined3d_shader_version *shader_version)
841 {
842 DWORD write_mask = param->write_mask;
843
844 shader_dump_register(&param->reg, shader_version);
845
846 if (write_mask != WINED3DSP_WRITEMASK_ALL)
847 {
848 static const char *write_mask_chars = "xyzw";
849
850 TRACE(".");
851 if (write_mask & WINED3DSP_WRITEMASK_0) TRACE("%c", write_mask_chars[0]);
852 if (write_mask & WINED3DSP_WRITEMASK_1) TRACE("%c", write_mask_chars[1]);
853 if (write_mask & WINED3DSP_WRITEMASK_2) TRACE("%c", write_mask_chars[2]);
854 if (write_mask & WINED3DSP_WRITEMASK_3) TRACE("%c", write_mask_chars[3]);
855 }
856 }
857
858 void shader_dump_src_param(const struct wined3d_shader_src_param *param,
859 const struct wined3d_shader_version *shader_version)
860 {
861 DWORD src_modifier = param->modifiers;
862 DWORD swizzle = param->swizzle;
863
864 if (src_modifier == WINED3DSPSM_NEG
865 || src_modifier == WINED3DSPSM_BIASNEG
866 || src_modifier == WINED3DSPSM_SIGNNEG
867 || src_modifier == WINED3DSPSM_X2NEG
868 || src_modifier == WINED3DSPSM_ABSNEG)
869 TRACE("-");
870 else if (src_modifier == WINED3DSPSM_COMP)
871 TRACE("1-");
872 else if (src_modifier == WINED3DSPSM_NOT)
873 TRACE("!");
874
875 if (src_modifier == WINED3DSPSM_ABS || src_modifier == WINED3DSPSM_ABSNEG)
876 TRACE("abs(");
877
878 shader_dump_register(&param->reg, shader_version);
879
880 if (src_modifier)
881 {
882 switch (src_modifier)
883 {
884 case WINED3DSPSM_NONE: break;
885 case WINED3DSPSM_NEG: break;
886 case WINED3DSPSM_NOT: break;
887 case WINED3DSPSM_BIAS: TRACE("_bias"); break;
888 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
889 case WINED3DSPSM_SIGN: TRACE("_bx2"); break;
890 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
891 case WINED3DSPSM_COMP: break;
892 case WINED3DSPSM_X2: TRACE("_x2"); break;
893 case WINED3DSPSM_X2NEG: TRACE("_x2"); break;
894 case WINED3DSPSM_DZ: TRACE("_dz"); break;
895 case WINED3DSPSM_DW: TRACE("_dw"); break;
896 case WINED3DSPSM_ABSNEG: TRACE(")"); break;
897 case WINED3DSPSM_ABS: TRACE(")"); break;
898 default:
899 TRACE("_unknown_modifier(%#x)", src_modifier);
900 }
901 }
902
903 if (swizzle != WINED3DSP_NOSWIZZLE)
904 {
905 static const char *swizzle_chars = "xyzw";
906 DWORD swizzle_x = swizzle & 0x03;
907 DWORD swizzle_y = (swizzle >> 2) & 0x03;
908 DWORD swizzle_z = (swizzle >> 4) & 0x03;
909 DWORD swizzle_w = (swizzle >> 6) & 0x03;
910
911 if (swizzle_x == swizzle_y
912 && swizzle_x == swizzle_z
913 && swizzle_x == swizzle_w)
914 {
915 TRACE(".%c", swizzle_chars[swizzle_x]);
916 }
917 else
918 {
919 TRACE(".%c%c%c%c", swizzle_chars[swizzle_x], swizzle_chars[swizzle_y],
920 swizzle_chars[swizzle_z], swizzle_chars[swizzle_w]);
921 }
922 }
923 }
924
925 /* Shared code in order to generate the bulk of the shader string.
926 * NOTE: A description of how to parse tokens can be found on msdn */
927 void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER *buffer,
928 const shader_reg_maps *reg_maps, const DWORD *pFunction)
929 {
930 IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
931 IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
932 const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
933 const struct wined3d_shader_frontend *fe = This->baseShader.frontend;
934 void *fe_data = This->baseShader.frontend_data;
935 struct wined3d_shader_src_param src_rel_addr[4];
936 struct wined3d_shader_src_param src_param[4];
937 struct wined3d_shader_version shader_version;
938 struct wined3d_shader_src_param dst_rel_addr;
939 struct wined3d_shader_dst_param dst_param;
940 struct wined3d_shader_instruction ins;
941 struct wined3d_shader_context ctx;
942 const DWORD *pToken = pFunction;
943 SHADER_HANDLER hw_fct;
944 DWORD i;
945
946 /* Initialize current parsing state */
947 ctx.shader = iface;
948 ctx.reg_maps = reg_maps;
949 ctx.buffer = buffer;
950
951 ins.ctx = &ctx;
952 ins.dst = &dst_param;
953 ins.src = src_param;
954 This->baseShader.parse_state.current_row = 0;
955
956 fe->shader_read_header(fe_data, &pToken, &shader_version);
957
958 while (!fe->shader_is_end(fe_data, &pToken))
959 {
960 const char *comment;
961 UINT param_size;
962
963 /* Skip comment tokens */
964 fe->shader_read_comment(&pToken, &comment);
965 if (comment) continue;
966
967 /* Read opcode */
968 fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
969
970 /* Unknown opcode and its parameters */
971 if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
972 {
973 TRACE("Skipping unrecognized instruction.\n");
974 pToken += param_size;
975 continue;
976 }
977
978 /* Nothing to do */
979 if (ins.handler_idx == WINED3DSIH_DCL
980 || ins.handler_idx == WINED3DSIH_NOP
981 || ins.handler_idx == WINED3DSIH_DEF
982 || ins.handler_idx == WINED3DSIH_DEFI
983 || ins.handler_idx == WINED3DSIH_DEFB
984 || ins.handler_idx == WINED3DSIH_PHASE
985 || ins.handler_idx == WINED3DSIH_RET)
986 {
987 pToken += param_size;
988 continue;
989 }
990
991 /* Select handler */
992 hw_fct = handler_table[ins.handler_idx];
993
994 /* Unhandled opcode */
995 if (!hw_fct)
996 {
997 FIXME("Backend can't handle opcode %#x\n", ins.handler_idx);
998 pToken += param_size;
999 continue;
1000 }
1001
1002 /* Destination token */
1003 if (ins.dst_count) fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
1004
1005 /* Predication token */
1006 if (ins.predicate) ins.predicate = *pToken++;
1007
1008 /* Other source tokens */
1009 for (i = 0; i < ins.src_count; ++i)
1010 {
1011 fe->shader_read_src_param(fe_data, &pToken, &src_param[i], &src_rel_addr[i]);
1012 }
1013
1014 /* Call appropriate function for output target */
1015 hw_fct(&ins);
1016
1017 /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
1018 device->shader_backend->shader_add_instruction_modifiers(&ins);
1019 }
1020 }
1021
1022 static void shader_dump_ins_modifiers(const struct wined3d_shader_dst_param *dst)
1023 {
1024 DWORD mmask = dst->modifiers;
1025
1026 switch (dst->shift)
1027 {
1028 case 0: break;
1029 case 13: TRACE("_d8"); break;
1030 case 14: TRACE("_d4"); break;
1031 case 15: TRACE("_d2"); break;
1032 case 1: TRACE("_x2"); break;
1033 case 2: TRACE("_x4"); break;
1034 case 3: TRACE("_x8"); break;
1035 default: TRACE("_unhandled_shift(%d)", dst->shift); break;
1036 }
1037
1038 if (mmask & WINED3DSPDM_SATURATE) TRACE("_sat");
1039 if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
1040 if (mmask & WINED3DSPDM_MSAMPCENTROID) TRACE("_centroid");
1041
1042 mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
1043 if (mmask)
1044 FIXME("_unrecognized_modifier(%#x)", mmask);
1045 }
1046
1047 void shader_trace_init(const struct wined3d_shader_frontend *fe, void *fe_data, const DWORD *pFunction)
1048 {
1049 struct wined3d_shader_version shader_version;
1050 const DWORD* pToken = pFunction;
1051 DWORD i;
1052
1053 TRACE("Parsing %p\n", pFunction);
1054
1055 fe->shader_read_header(fe_data, &pToken, &shader_version);
1056
1057 TRACE("%s_%u_%u\n", shader_is_pshader_version(shader_version.type) ? "ps": "vs",
1058 shader_version.major, shader_version.minor);
1059
1060 while (!fe->shader_is_end(fe_data, &pToken))
1061 {
1062 struct wined3d_shader_instruction ins;
1063 const char *comment;
1064 UINT param_size;
1065
1066 /* comment */
1067 fe->shader_read_comment(&pToken, &comment);
1068 if (comment)
1069 {
1070 TRACE("//%s\n", comment);
1071 continue;
1072 }
1073
1074 fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
1075 if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
1076 {
1077 TRACE("Skipping unrecognized instruction.\n");
1078 pToken += param_size;
1079 continue;
1080 }
1081
1082 if (ins.handler_idx == WINED3DSIH_DCL)
1083 {
1084 struct wined3d_shader_semantic semantic;
1085
1086 fe->shader_read_semantic(&pToken, &semantic);
1087
1088 shader_dump_decl_usage(&semantic, &shader_version);
1089 shader_dump_ins_modifiers(&semantic.reg);
1090 TRACE(" ");
1091 shader_dump_dst_param(&semantic.reg, &shader_version);
1092 }
1093 else if (ins.handler_idx == WINED3DSIH_DEF)
1094 {
1095 struct wined3d_shader_dst_param dst;
1096 struct wined3d_shader_src_param rel_addr;
1097
1098 fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1099
1100 TRACE("def c%u = %f, %f, %f, %f", shader_get_float_offset(dst.reg.type, dst.reg.idx),
1101 *(const float *)(pToken),
1102 *(const float *)(pToken + 1),
1103 *(const float *)(pToken + 2),
1104 *(const float *)(pToken + 3));
1105 pToken += 4;
1106 }
1107 else if (ins.handler_idx == WINED3DSIH_DEFI)
1108 {
1109 struct wined3d_shader_dst_param dst;
1110 struct wined3d_shader_src_param rel_addr;
1111
1112 fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1113
1114 TRACE("defi i%u = %d, %d, %d, %d", dst.reg.idx,
1115 *(pToken),
1116 *(pToken + 1),
1117 *(pToken + 2),
1118 *(pToken + 3));
1119 pToken += 4;
1120 }
1121 else if (ins.handler_idx == WINED3DSIH_DEFB)
1122 {
1123 struct wined3d_shader_dst_param dst;
1124 struct wined3d_shader_src_param rel_addr;
1125
1126 fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1127
1128 TRACE("defb b%u = %s", dst.reg.idx, *pToken ? "true" : "false");
1129 ++pToken;
1130 }
1131 else
1132 {
1133 struct wined3d_shader_src_param dst_rel_addr, src_rel_addr;
1134 struct wined3d_shader_dst_param dst_param;
1135 struct wined3d_shader_src_param src_param;
1136
1137 if (ins.dst_count)
1138 {
1139 fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
1140 }
1141
1142 /* Print out predication source token first - it follows
1143 * the destination token. */
1144 if (ins.predicate)
1145 {
1146 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
1147 TRACE("(");
1148 shader_dump_src_param(&src_param, &shader_version);
1149 TRACE(") ");
1150 }
1151
1152 /* PixWin marks instructions with the coissue flag with a '+' */
1153 if (ins.coissue) TRACE("+");
1154
1155 TRACE("%s", shader_opcode_names[ins.handler_idx]);
1156
1157 if (ins.handler_idx == WINED3DSIH_IFC
1158 || ins.handler_idx == WINED3DSIH_BREAKC)
1159 {
1160 switch (ins.flags)
1161 {
1162 case COMPARISON_GT: TRACE("_gt"); break;
1163 case COMPARISON_EQ: TRACE("_eq"); break;
1164 case COMPARISON_GE: TRACE("_ge"); break;
1165 case COMPARISON_LT: TRACE("_lt"); break;
1166 case COMPARISON_NE: TRACE("_ne"); break;
1167 case COMPARISON_LE: TRACE("_le"); break;
1168 default: TRACE("_(%u)", ins.flags);
1169 }
1170 }
1171 else if (ins.handler_idx == WINED3DSIH_TEX
1172 && shader_version.major >= 2
1173 && (ins.flags & WINED3DSI_TEXLD_PROJECT))
1174 {
1175 TRACE("p");
1176 }
1177
1178 /* We already read the destination token, print it. */
1179 if (ins.dst_count)
1180 {
1181 shader_dump_ins_modifiers(&dst_param);
1182 TRACE(" ");
1183 shader_dump_dst_param(&dst_param, &shader_version);
1184 }
1185
1186 /* Other source tokens */
1187 for (i = ins.dst_count; i < (ins.dst_count + ins.src_count); ++i)
1188 {
1189 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
1190 TRACE(!i ? " " : ", ");
1191 shader_dump_src_param(&src_param, &shader_version);
1192 }
1193 }
1194 TRACE("\n");
1195 }
1196 }
1197
1198 void shader_cleanup(IWineD3DBaseShader *iface)
1199 {
1200 IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1201
1202 ((IWineD3DDeviceImpl *)This->baseShader.device)->shader_backend->shader_destroy(iface);
1203 HeapFree(GetProcessHeap(), 0, This->baseShader.reg_maps.constf);
1204 HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1205 shader_delete_constant_list(&This->baseShader.constantsF);
1206 shader_delete_constant_list(&This->baseShader.constantsB);
1207 shader_delete_constant_list(&This->baseShader.constantsI);
1208 list_remove(&This->baseShader.shader_list_entry);
1209
1210 if (This->baseShader.frontend && This->baseShader.frontend_data)
1211 {
1212 This->baseShader.frontend->shader_free(This->baseShader.frontend_data);
1213 }
1214 }
1215
1216 static const SHADER_HANDLER shader_none_instruction_handler_table[WINED3DSIH_TABLE_SIZE] = {0};
1217 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1218 static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1219 static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1220 static void shader_none_update_float_vertex_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1221 static void shader_none_update_float_pixel_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1222 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1223 static void shader_none_load_np2fixup_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1224 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1225 static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1226 static void shader_none_free(IWineD3DDevice *iface) {}
1227 static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1228 static GLuint shader_none_generate_pshader(IWineD3DPixelShader *iface,
1229 SHADER_BUFFER *buffer, const struct ps_compile_args *args)
1230 {
1231 FIXME("NONE shader backend asked to generate a pixel shader\n");
1232 return 0;
1233 }
1234 static GLuint shader_none_generate_vshader(IWineD3DVertexShader *iface,
1235 SHADER_BUFFER *buffer, const struct vs_compile_args *args)
1236 {
1237 FIXME("NONE shader backend asked to generate a vertex shader\n");
1238 return 0;
1239 }
1240 static void shader_none_add_instruction_modifiers(const struct wined3d_shader_instruction *ins) {}
1241
1242 #define GLINFO_LOCATION (*gl_info)
1243 static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct shader_caps *pCaps)
1244 {
1245 /* Set the shader caps to 0 for the none shader backend */
1246 pCaps->VertexShaderVersion = 0;
1247 pCaps->PixelShaderVersion = 0;
1248 pCaps->PixelShader1xMaxValue = 0.0;
1249 }
1250 #undef GLINFO_LOCATION
1251 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1252 {
1253 if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1254 {
1255 TRACE("Checking support for fixup:\n");
1256 dump_color_fixup_desc(fixup);
1257 }
1258
1259 /* Faked to make some apps happy. */
1260 if (!is_yuv_fixup(fixup))
1261 {
1262 TRACE("[OK]\n");
1263 return TRUE;
1264 }
1265
1266 TRACE("[FAILED]\n");
1267 return FALSE;
1268 }
1269
1270 const shader_backend_t none_shader_backend = {
1271 shader_none_instruction_handler_table,
1272 shader_none_select,
1273 shader_none_select_depth_blt,
1274 shader_none_deselect_depth_blt,
1275 shader_none_update_float_vertex_constants,
1276 shader_none_update_float_pixel_constants,
1277 shader_none_load_constants,
1278 shader_none_load_np2fixup_constants,
1279 shader_none_destroy,
1280 shader_none_alloc,
1281 shader_none_free,
1282 shader_none_dirty_const,
1283 shader_none_generate_pshader,
1284 shader_none_generate_vshader,
1285 shader_none_get_caps,
1286 shader_none_color_fixup_supported,
1287 shader_none_add_instruction_modifiers,
1288 };
useful hacks and other patches not (yet) suitable for mainline