baseshader.c@ 16684

Last change on this file since 16684 was 16477, checked in by vboxsync, 16 years ago
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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	*
11	* This library is free software; you can redistribute it and/or
12	* modify it under the terms of the GNU Lesser General Public
13	* License as published by the Free Software Foundation; either
14	* version 2.1 of the License, or (at your option) any later version.
15	*
16	* This library is distributed in the hope that it will be useful,
17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19	* Lesser General Public License for more details.
20	*
21	* You should have received a copy of the GNU Lesser General Public
22	* License along with this library; if not, write to the Free Software
23	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24	*/
25
26	/*
27	* Sun LGPL Disclaimer: For the avoidance of doubt, except that if any license choice
28	* other than GPL or LGPL is available it will apply instead, Sun elects to use only
29	* the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where
30	* a choice of LGPL license versions is made available with the language indicating
31	* that LGPLv2 or any later version may be used, or where a choice of which version
32	* of the LGPL is applied is otherwise unspecified.
33	*/
34
35	#include "config.h"
36	#include <string.h>
37	#include <stdio.h>
38	#include "wined3d_private.h"
39
40	WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
41	WINE_DECLARE_DEBUG_CHANNEL(d3d);
42
43	#define GLNAME_REQUIRE_GLSL ((const char *)1)
44
45	static void shader_dump_param(const DWORD param, const DWORD addr_token, int input, DWORD shader_version);
46
47	static inline BOOL shader_is_version_token(DWORD token) {
48	return shader_is_pshader_version(token) \|\|
49	shader_is_vshader_version(token);
50	}
51
52	int shader_addline(
53	SHADER_BUFFER* buffer,
54	const char *format, ...) {
55
56	char* base = buffer->buffer + buffer->bsize;
57	int rc;
58
59	va_list args;
60	va_start(args, format);
61	rc = _vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
62	va_end(args);
63
64	if (rc < 0 \|\| /* C89 */
65	rc > SHADER_PGMSIZE - 1 - buffer->bsize) { /* C99 */
66
67	ERR("The buffer allocated for the shader program string "
68	"is too small at %d bytes.\n", SHADER_PGMSIZE);
69	buffer->bsize = SHADER_PGMSIZE - 1;
70	return -1;
71	}
72
73	if (buffer->newline) {
74	TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
75	buffer->newline = FALSE;
76	} else {
77	TRACE("%s", base);
78	}
79
80	buffer->bsize += rc;
81	if (buffer->buffer[buffer->bsize-1] == '\n') {
82	buffer->lineNo++;
83	buffer->newline = TRUE;
84	}
85	return 0;
86	}
87
88	const SHADER_OPCODE shader_get_opcode(const SHADER_OPCODE opcode_table, DWORD shader_version, DWORD code)
89	{
90	DWORD i = 0;
91
92	/** TODO: use dichotomic search */
93	while (opcode_table[i].name)
94	{
95	if ((code & WINED3DSI_OPCODE_MASK) == opcode_table[i].opcode
96	&& shader_version >= opcode_table[i].min_version
97	&& (!opcode_table[i].max_version \|\| shader_version <= opcode_table[i].max_version))
98	{
99	return &opcode_table[i];
100	}
101	++i;
102	}
103
104	FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
105	code, code, code & WINED3DSI_OPCODE_MASK, shader_version);
106
107	return NULL;
108	}
109
110	/* Read a parameter opcode from the input stream,
111	* and possibly a relative addressing token.
112	* Return the number of tokens read */
113	static int shader_get_param(IWineD3DBaseShader iface, const DWORD pToken, DWORD param, DWORD addr_token)
114	{
115	/* PS >= 3.0 have relative addressing (with token)
116	* VS >= 2.0 have relative addressing (with token)
117	* VS >= 1.0 < 2.0 have relative addressing (without token)
118	* The version check below should work in general */
119
120	IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
121	char rel_token = WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2 &&
122	((*pToken & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
123
124	param = pToken;
125	addr_token = rel_token? (pToken + 1): 0;
126	return rel_token? 2:1;
127	}
128
129	/* Return the number of parameters to skip for an opcode */
130	static inline int shader_skip_opcode(
131	IWineD3DBaseShaderImpl* This,
132	const SHADER_OPCODE* curOpcode,
133	DWORD opcode_token) {
134
135	/* Shaders >= 2.0 may contain address tokens, but fortunately they
136	* have a useful length mask - use it here. Shaders 1.0 contain no such tokens */
137
138	return (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2)?
139	((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT):
140	curOpcode->num_params;
141	}
142
143	/* Read the parameters of an unrecognized opcode from the input stream
144	* Return the number of tokens read.
145	*
146	* Note: This function assumes source or destination token format.
147	* It will not work with specially-formatted tokens like DEF or DCL,
148	* but hopefully those would be recognized */
149	static int shader_skip_unrecognized(IWineD3DBaseShader iface, const DWORD pToken)
150	{
151	DWORD shader_version = ((IWineD3DBaseShaderImpl *)iface)->baseShader.hex_version;
152	int tokens_read = 0;
153	int i = 0;
154
155	/* TODO: Think of a good name for 0x80000000 and replace it with a constant */
156	while (*pToken & 0x80000000) {
157
158	DWORD param, addr_token;
159	tokens_read += shader_get_param(iface, pToken, &param, &addr_token);
160	pToken += tokens_read;
161
162	FIXME("Unrecognized opcode param: token=0x%08x "
163	"addr_token=0x%08x name=", param, addr_token);
164	shader_dump_param(param, addr_token, i, shader_version);
165	FIXME("\n");
166	++i;
167	}
168	return tokens_read;
169	}
170
171	/* Convert floating point offset relative
172	* to a register file to an absolute offset for float constants */
173	static unsigned int shader_get_float_offset(const DWORD reg)
174	{
175	unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
176	int regtype = shader_get_regtype(reg);
177
178	switch (regtype) {
179	case WINED3DSPR_CONST: return regnum;
180	case WINED3DSPR_CONST2: return 2048 + regnum;
181	case WINED3DSPR_CONST3: return 4096 + regnum;
182	case WINED3DSPR_CONST4: return 6144 + regnum;
183	default:
184	FIXME("Unsupported register type: %d\n", regtype);
185	return regnum;
186	}
187	}
188
189	static void shader_delete_constant_list(struct list* clist) {
190
191	struct list *ptr;
192	struct local_constant* constant;
193
194	ptr = list_head(clist);
195	while (ptr) {
196	constant = LIST_ENTRY(ptr, struct local_constant, entry);
197	ptr = list_next(clist, ptr);
198	HeapFree(GetProcessHeap(), 0, constant);
199	}
200	list_init(clist);
201	}
202
203	/* Note that this does not count the loop register
204	* as an address register. */
205
206	HRESULT shader_get_registers_used(
207	IWineD3DBaseShader *iface,
208	shader_reg_maps* reg_maps,
209	semantic* semantics_in,
210	semantic* semantics_out,
211	CONST DWORD* pToken,
212	IWineD3DStateBlockImpl *stateBlock) {
213
214	IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
215	const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
216	DWORD shader_version = This->baseShader.hex_version;
217	unsigned int cur_loop_depth = 0, max_loop_depth = 0;
218
219	/* There are some minor differences between pixel and vertex shaders */
220	char pshader = shader_is_pshader_version(This->baseShader.hex_version);
221
222	memset(reg_maps->bumpmat, 0, sizeof(reg_maps->bumpmat));
223	memset(reg_maps->luminanceparams, 0, sizeof(reg_maps->luminanceparams));
224
225	if (pToken == NULL)
226	return WINED3D_OK;
227
228	/* get_registers_used is called on every compile on some 1.x shaders, which can result
229	* in stacking up a collection of local constants. Delete the old constants if existing
230	*/
231	shader_delete_constant_list(&This->baseShader.constantsF);
232	shader_delete_constant_list(&This->baseShader.constantsB);
233	shader_delete_constant_list(&This->baseShader.constantsI);
234
235	while (WINED3DVS_END() != *pToken) {
236	CONST SHADER_OPCODE* curOpcode;
237	DWORD opcode_token;
238
239	/* Skip version */
240	if (shader_is_version_token(*pToken)) {
241	++pToken;
242	continue;
243
244	/* Skip comments */
245	} else if (shader_is_comment(*pToken)) {
246	DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
247	++pToken;
248	pToken += comment_len;
249	continue;
250	}
251
252	/* Fetch opcode */
253	opcode_token = *pToken++;
254	curOpcode = shader_get_opcode(shader_ins, shader_version, opcode_token);
255
256	/* Unhandled opcode, and its parameters */
257	if (NULL == curOpcode) {
258	while (*pToken & 0x80000000)
259	++pToken;
260
261	/* Handle declarations */
262	} else if (WINED3DSIO_DCL == curOpcode->opcode) {
263
264	DWORD usage = *pToken++;
265	DWORD param = *pToken++;
266	DWORD regtype = shader_get_regtype(param);
267	unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
268
269	/* Vshader: mark attributes used
270	Pshader: mark 3.0 input registers used, save token */
271	if (WINED3DSPR_INPUT == regtype) {
272
273	if (!pshader)
274	reg_maps->attributes[regnum] = 1;
275	else
276	reg_maps->packed_input[regnum] = 1;
277
278	semantics_in[regnum].usage = usage;
279	semantics_in[regnum].reg = param;
280
281	/* Vshader: mark 3.0 output registers used, save token */
282	} else if (WINED3DSPR_OUTPUT == regtype) {
283	reg_maps->packed_output[regnum] = 1;
284	semantics_out[regnum].usage = usage;
285	semantics_out[regnum].reg = param;
286	if (usage & (WINED3DDECLUSAGE_FOG << WINED3DSP_DCL_USAGE_SHIFT))
287	reg_maps->fog = 1;
288
289	/* Save sampler usage token */
290	} else if (WINED3DSPR_SAMPLER == regtype)
291	reg_maps->samplers[regnum] = usage;
292
293	} else if (WINED3DSIO_DEF == curOpcode->opcode) {
294
295	local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
296	if (!lconst) return E_OUTOFMEMORY;
297	lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
298	memcpy(lconst->value, pToken + 1, 4 * sizeof(DWORD));
299
300	/* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
301	if(WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 && pshader) {
302	float value = (float ) lconst->value;
303	if(value[0] < -1.0) value[0] = -1.0;
304	else if(value[0] > 1.0) value[0] = 1.0;
305	if(value[1] < -1.0) value[1] = -1.0;
306	else if(value[1] > 1.0) value[1] = 1.0;
307	if(value[2] < -1.0) value[2] = -1.0;
308	else if(value[2] > 1.0) value[2] = 1.0;
309	if(value[3] < -1.0) value[3] = -1.0;
310	else if(value[3] > 1.0) value[3] = 1.0;
311	}
312
313	list_add_head(&This->baseShader.constantsF, &lconst->entry);
314	pToken += curOpcode->num_params;
315
316	} else if (WINED3DSIO_DEFI == curOpcode->opcode) {
317
318	local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
319	if (!lconst) return E_OUTOFMEMORY;
320	lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
321	memcpy(lconst->value, pToken + 1, 4 * sizeof(DWORD));
322	list_add_head(&This->baseShader.constantsI, &lconst->entry);
323	pToken += curOpcode->num_params;
324
325	} else if (WINED3DSIO_DEFB == curOpcode->opcode) {
326
327	local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
328	if (!lconst) return E_OUTOFMEMORY;
329	lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
330	memcpy(lconst->value, pToken + 1, 1 * sizeof(DWORD));
331	list_add_head(&This->baseShader.constantsB, &lconst->entry);
332	pToken += curOpcode->num_params;
333
334	/* If there's a loop in the shader */
335	} else if (WINED3DSIO_LOOP == curOpcode->opcode \|\|
336	WINED3DSIO_REP == curOpcode->opcode) {
337	cur_loop_depth++;
338	if(cur_loop_depth > max_loop_depth)
339	max_loop_depth = cur_loop_depth;
340	pToken += curOpcode->num_params;
341
342	} else if (WINED3DSIO_ENDLOOP == curOpcode->opcode \|\|
343	WINED3DSIO_ENDREP == curOpcode->opcode) {
344	cur_loop_depth--;
345
346	/* For subroutine prototypes */
347	} else if (WINED3DSIO_LABEL == curOpcode->opcode) {
348
349	DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
350	reg_maps->labels[snum] = 1;
351	pToken += curOpcode->num_params;
352
353	/* Set texture, address, temporary registers */
354	} else {
355	int i, limit;
356
357	/* Declare 1.X samplers implicitly, based on the destination reg. number */
358	if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 &&
359	pshader /* Filter different instructions with the same enum values in VS */ &&
360	(WINED3DSIO_TEX == curOpcode->opcode \|\|
361	WINED3DSIO_TEXBEM == curOpcode->opcode \|\|
362	WINED3DSIO_TEXBEML == curOpcode->opcode \|\|
363	WINED3DSIO_TEXDP3TEX == curOpcode->opcode \|\|
364	WINED3DSIO_TEXM3x2TEX == curOpcode->opcode \|\|
365	WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode \|\|
366	WINED3DSIO_TEXM3x3TEX == curOpcode->opcode \|\|
367	WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode \|\|
368	WINED3DSIO_TEXREG2AR == curOpcode->opcode \|\|
369	WINED3DSIO_TEXREG2GB == curOpcode->opcode \|\|
370	WINED3DSIO_TEXREG2RGB == curOpcode->opcode)) {
371
372	/* Fake sampler usage, only set reserved bit and ttype */
373	DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
374
375	if(!stateBlock->textures[sampler_code]) {
376	ERR("No texture bound to sampler %d\n", sampler_code);
377	reg_maps->samplers[sampler_code] = (0x1 << 31) \| WINED3DSTT_2D;
378	} else {
379	int texType = IWineD3DBaseTexture_GetTextureDimensions(stateBlock->textures[sampler_code]);
380	switch(texType) {
381	/* We have to select between texture rectangles and 2D textures later because 2.0 and
382	* 3.0 shaders only have WINED3DSTT_2D as well
383	*/
384	case GL_TEXTURE_RECTANGLE_ARB:
385	case GL_TEXTURE_2D:
386	reg_maps->samplers[sampler_code] = (0x1 << 31) \| WINED3DSTT_2D;
387	break;
388
389	case GL_TEXTURE_3D:
390	reg_maps->samplers[sampler_code] = (0x1 << 31) \| WINED3DSTT_VOLUME;
391	break;
392
393	case GL_TEXTURE_CUBE_MAP_ARB:
394	reg_maps->samplers[sampler_code] = (0x1 << 31) \| WINED3DSTT_CUBE;
395	break;
396
397	default:
398	ERR("Unexpected gl texture type found: %d\n", texType);
399	reg_maps->samplers[sampler_code] = (0x1 << 31) \| WINED3DSTT_2D;
400	}
401	}
402
403	/* texbem is only valid with < 1.4 pixel shaders */
404	if(WINED3DSIO_TEXBEM == curOpcode->opcode \|\|
405	WINED3DSIO_TEXBEML == curOpcode->opcode) {
406	reg_maps->bumpmat[sampler_code] = TRUE;
407	if(WINED3DSIO_TEXBEML == curOpcode->opcode) {
408	reg_maps->luminanceparams[sampler_code] = TRUE;
409	}
410	}
411	}
412	if(WINED3DSIO_NRM == curOpcode->opcode) {
413	reg_maps->usesnrm = 1;
414	} else if(WINED3DSIO_BEM == curOpcode->opcode && pshader) {
415	DWORD regnum = *pToken & WINED3DSP_REGNUM_MASK;
416	reg_maps->bumpmat[regnum] = TRUE;
417	} else if(WINED3DSIO_DSY == curOpcode->opcode) {
418	reg_maps->usesdsy = 1;
419	}
420
421	/* This will loop over all the registers and try to
422	* make a bitmask of the ones we're interested in.
423	*
424	* Relative addressing tokens are ignored, but that's
425	* okay, since we'll catch any address registers when
426	* they are initialized (required by spec) */
427
428	limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
429	curOpcode->num_params + 1: curOpcode->num_params;
430
431	for (i = 0; i < limit; ++i) {
432
433	DWORD param, addr_token, reg, regtype;
434	pToken += shader_get_param(iface, pToken, &param, &addr_token);
435
436	regtype = shader_get_regtype(param);
437	reg = param & WINED3DSP_REGNUM_MASK;
438
439	if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
440
441	if (pshader)
442	reg_maps->texcoord[reg] = 1;
443	else
444	reg_maps->address[reg] = 1;
445	}
446
447	else if (WINED3DSPR_TEMP == regtype)
448	reg_maps->temporary[reg] = 1;
449
450	else if (WINED3DSPR_INPUT == regtype) {
451	if( !pshader)
452	reg_maps->attributes[reg] = 1;
453	else {
454	if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
455	/* If relative addressing is used, we must assume that all registers
456	* are used. Even if it is a construct like v3[aL], we can't assume
457	* that v0, v1 and v2 aren't read because aL can be negative
458	*/
459	unsigned int i;
460	for(i = 0; i < MAX_REG_INPUT; i++) {
461	((IWineD3DPixelShaderImpl *) This)->input_reg_used[i] = TRUE;
462	}
463	} else {
464	((IWineD3DPixelShaderImpl *) This)->input_reg_used[reg] = TRUE;
465	}
466	}
467	}
468
469	else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
470	reg_maps->fog = 1;
471
472	else if (WINED3DSPR_MISCTYPE == regtype && reg == 0 && pshader)
473	reg_maps->vpos = 1;
474
475	else if(WINED3DSPR_CONST == regtype) {
476	if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
477	if(!pshader) {
478	if(reg <= ((IWineD3DVertexShaderImpl *) This)->min_rel_offset) {
479	((IWineD3DVertexShaderImpl *) This)->min_rel_offset = reg;
480	} else if(reg >= ((IWineD3DVertexShaderImpl *) This)->max_rel_offset) {
481	((IWineD3DVertexShaderImpl *) This)->max_rel_offset = reg;
482	}
483	}
484	reg_maps->usesrelconstF = TRUE;
485	}
486	}
487
488	/* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and is used
489	* in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel shaders because TECRDOUT
490	* isn't used in them, but future register types might cause issues
491	*/
492	else if(WINED3DSPR_TEXCRDOUT == regtype && i == 0 /* Only look at writes */ &&
493	!pshader && WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) < 3) {
494	reg_maps->texcoord_mask[reg] \|= shader_get_writemask(param);
495	}
496	}
497	}
498	}
499	reg_maps->loop_depth = max_loop_depth;
500
501	return WINED3D_OK;
502	}
503
504	static void shader_dump_decl_usage(DWORD decl, DWORD param, DWORD shader_version)
505	{
506	DWORD regtype = shader_get_regtype(param);
507
508	TRACE("dcl");
509
510	if (regtype == WINED3DSPR_SAMPLER) {
511	DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
512
513	switch (ttype) {
514	case WINED3DSTT_2D: TRACE("_2d"); break;
515	case WINED3DSTT_CUBE: TRACE("_cube"); break;
516	case WINED3DSTT_VOLUME: TRACE("_volume"); break;
517	default: TRACE("_unknown_ttype(0x%08x)", ttype);
518	}
519
520	} else {
521
522	DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
523	DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
524
525	/* Pixel shaders 3.0 don't have usage semantics */
526	if (shader_is_pshader_version(shader_version) && shader_version < WINED3DPS_VERSION(3,0))
527	return;
528	else
529	TRACE("_");
530
531	switch(usage) {
532	case WINED3DDECLUSAGE_POSITION:
533	TRACE("position%d", idx);
534	break;
535	case WINED3DDECLUSAGE_BLENDINDICES:
536	TRACE("blend");
537	break;
538	case WINED3DDECLUSAGE_BLENDWEIGHT:
539	TRACE("weight");
540	break;
541	case WINED3DDECLUSAGE_NORMAL:
542	TRACE("normal%d", idx);
543	break;
544	case WINED3DDECLUSAGE_PSIZE:
545	TRACE("psize");
546	break;
547	case WINED3DDECLUSAGE_COLOR:
548	if(idx == 0) {
549	TRACE("color");
550	} else {
551	TRACE("specular%d", (idx - 1));
552	}
553	break;
554	case WINED3DDECLUSAGE_TEXCOORD:
555	TRACE("texture%d", idx);
556	break;
557	case WINED3DDECLUSAGE_TANGENT:
558	TRACE("tangent");
559	break;
560	case WINED3DDECLUSAGE_BINORMAL:
561	TRACE("binormal");
562	break;
563	case WINED3DDECLUSAGE_TESSFACTOR:
564	TRACE("tessfactor");
565	break;
566	case WINED3DDECLUSAGE_POSITIONT:
567	TRACE("positionT%d", idx);
568	break;
569	case WINED3DDECLUSAGE_FOG:
570	TRACE("fog");
571	break;
572	case WINED3DDECLUSAGE_DEPTH:
573	TRACE("depth");
574	break;
575	case WINED3DDECLUSAGE_SAMPLE:
576	TRACE("sample");
577	break;
578	default:
579	FIXME("unknown_semantics(0x%08x)", usage);
580	}
581	}
582	}
583
584	static void shader_dump_arr_entry(const DWORD param, const DWORD addr_token,
585	unsigned int reg, int input, DWORD shader_version)
586	{
587	char relative =
588	((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
589
590	if (relative) {
591	TRACE("[");
592	if (addr_token)
593	shader_dump_param(addr_token, 0, input, shader_version);
594	else
595	TRACE("a0.x");
596	TRACE(" + ");
597	}
598	TRACE("%u", reg);
599	if (relative)
600	TRACE("]");
601	}
602
603	static void shader_dump_param(const DWORD param, const DWORD addr_token, int input, DWORD shader_version)
604	{
605	static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
606	static const char * const misctype_reg_names[] = { "vPos", "vFace"};
607	char swizzle_reg_chars[4];
608
609	DWORD reg = param & WINED3DSP_REGNUM_MASK;
610	DWORD regtype = shader_get_regtype(param);
611	DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
612
613	/* There are some minor differences between pixel and vertex shaders */
614	char pshader = shader_is_pshader_version(shader_version);
615
616	/* For one, we'd prefer color components to be shown for pshaders.
617	* FIXME: use the swizzle function for this */
618
619	swizzle_reg_chars[0] = pshader? 'r': 'x';
620	swizzle_reg_chars[1] = pshader? 'g': 'y';
621	swizzle_reg_chars[2] = pshader? 'b': 'z';
622	swizzle_reg_chars[3] = pshader? 'a': 'w';
623
624	if (input) {
625	if ( (modifier == WINED3DSPSM_NEG) \|\|
626	(modifier == WINED3DSPSM_BIASNEG) \|\|
627	(modifier == WINED3DSPSM_SIGNNEG) \|\|
628	(modifier == WINED3DSPSM_X2NEG) \|\|
629	(modifier == WINED3DSPSM_ABSNEG) )
630	TRACE("-");
631	else if (modifier == WINED3DSPSM_COMP)
632	TRACE("1-");
633	else if (modifier == WINED3DSPSM_NOT)
634	TRACE("!");
635
636	if (modifier == WINED3DSPSM_ABS \|\| modifier == WINED3DSPSM_ABSNEG)
637	TRACE("abs(");
638	}
639
640	switch (regtype) {
641	case WINED3DSPR_TEMP:
642	TRACE("r%u", reg);
643	break;
644	case WINED3DSPR_INPUT:
645	TRACE("v");
646	shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
647	break;
648	case WINED3DSPR_CONST:
649	case WINED3DSPR_CONST2:
650	case WINED3DSPR_CONST3:
651	case WINED3DSPR_CONST4:
652	TRACE("c");
653	shader_dump_arr_entry(param, addr_token, shader_get_float_offset(param), input, shader_version);
654	break;
655	case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
656	TRACE("%c%u", (pshader? 't':'a'), reg);
657	break;
658	case WINED3DSPR_RASTOUT:
659	TRACE("%s", rastout_reg_names[reg]);
660	break;
661	case WINED3DSPR_COLOROUT:
662	TRACE("oC%u", reg);
663	break;
664	case WINED3DSPR_DEPTHOUT:
665	TRACE("oDepth");
666	break;
667	case WINED3DSPR_ATTROUT:
668	TRACE("oD%u", reg);
669	break;
670	case WINED3DSPR_TEXCRDOUT:
671
672	/* Vertex shaders >= 3.0 use general purpose output registers
673	* (WINED3DSPR_OUTPUT), which can include an address token */
674
675	if (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 3) {
676	TRACE("o");
677	shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
678	}
679	else
680	TRACE("oT%u", reg);
681	break;
682	case WINED3DSPR_CONSTINT:
683	TRACE("i");
684	shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
685	break;
686	case WINED3DSPR_CONSTBOOL:
687	TRACE("b");
688	shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
689	break;
690	case WINED3DSPR_LABEL:
691	TRACE("l%u", reg);
692	break;
693	case WINED3DSPR_LOOP:
694	TRACE("aL");
695	break;
696	case WINED3DSPR_SAMPLER:
697	TRACE("s%u", reg);
698	break;
699	case WINED3DSPR_MISCTYPE:
700	if (reg > 1) {
701	FIXME("Unhandled misctype register %d\n", reg);
702	} else {
703	TRACE("%s", misctype_reg_names[reg]);
704	}
705	break;
706	case WINED3DSPR_PREDICATE:
707	TRACE("p%u", reg);
708	break;
709	default:
710	TRACE("unhandled_rtype(%#x)", regtype);
711	break;
712	}
713
714	if (!input) {
715	/* operand output (for modifiers and shift, see dump_ins_modifiers) */
716
717	if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
718	TRACE(".");
719	if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
720	if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
721	if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
722	if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
723	}
724
725	} else {
726	/** operand input */
727	DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
728	DWORD swizzle_r = swizzle & 0x03;
729	DWORD swizzle_g = (swizzle >> 2) & 0x03;
730	DWORD swizzle_b = (swizzle >> 4) & 0x03;
731	DWORD swizzle_a = (swizzle >> 6) & 0x03;
732
733	if (0 != modifier) {
734	switch (modifier) {
735	case WINED3DSPSM_NONE: break;
736	case WINED3DSPSM_NEG: break;
737	case WINED3DSPSM_NOT: break;
738	case WINED3DSPSM_BIAS: TRACE("_bias"); break;
739	case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
740	case WINED3DSPSM_SIGN: TRACE("_bx2"); break;
741	case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
742	case WINED3DSPSM_COMP: break;
743	case WINED3DSPSM_X2: TRACE("_x2"); break;
744	case WINED3DSPSM_X2NEG: TRACE("_x2"); break;
745	case WINED3DSPSM_DZ: TRACE("_dz"); break;
746	case WINED3DSPSM_DW: TRACE("_dw"); break;
747	case WINED3DSPSM_ABSNEG: TRACE(")"); break;
748	case WINED3DSPSM_ABS: TRACE(")"); break;
749	default:
750	TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
751	}
752	}
753
754	/**
755	* swizzle bits fields:
756	* RRGGBBAA
757	*/
758	if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
759	if (swizzle_r == swizzle_g &&
760	swizzle_r == swizzle_b &&
761	swizzle_r == swizzle_a) {
762	TRACE(".%c", swizzle_reg_chars[swizzle_r]);
763	} else {
764	TRACE(".%c%c%c%c",
765	swizzle_reg_chars[swizzle_r],
766	swizzle_reg_chars[swizzle_g],
767	swizzle_reg_chars[swizzle_b],
768	swizzle_reg_chars[swizzle_a]);
769	}
770	}
771	}
772	}
773
774	static void shader_color_correction(IWineD3DBaseShaderImpl *shader,
775	IWineD3DDeviceImpl device, const struct SHADER_OPCODE_ARG arg)
776	{
777	DWORD hex_version = shader->baseShader.hex_version;
778	IWineD3DBaseTextureImpl *texture;
779	struct color_fixup_desc fixup;
780	BOOL recorded = FALSE;
781	DWORD sampler_idx;
782	UINT i;
783
784	switch(arg->opcode->opcode)
785	{
786	case WINED3DSIO_TEX:
787	if (hex_version < WINED3DPS_VERSION(2,0)) sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK;
788	else sampler_idx = arg->src[1] & WINED3DSP_REGNUM_MASK;
789	break;
790
791	case WINED3DSIO_TEXLDL:
792	FIXME("Add color fixup for vertex texture WINED3DSIO_TEXLDL\n");
793	return;
794
795	case WINED3DSIO_TEXDP3TEX:
796	case WINED3DSIO_TEXM3x3TEX:
797	case WINED3DSIO_TEXM3x3SPEC:
798	case WINED3DSIO_TEXM3x3VSPEC:
799	case WINED3DSIO_TEXBEM:
800	case WINED3DSIO_TEXREG2AR:
801	case WINED3DSIO_TEXREG2GB:
802	case WINED3DSIO_TEXREG2RGB:
803	sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK;
804	break;
805
806	default:
807	/* Not a texture sampling instruction, nothing to do */
808	return;
809	};
810
811	texture = (IWineD3DBaseTextureImpl *)device->stateBlock->textures[sampler_idx];
812	if (texture) fixup = texture->baseTexture.shader_color_fixup;
813	else fixup = COLOR_FIXUP_IDENTITY;
814
815	/* before doing anything, record the sampler with the format in the format conversion list,
816	* but check if it's not there already */
817	for (i = 0; i < shader->baseShader.num_sampled_samplers; ++i)
818	{
819	if (shader->baseShader.sampled_samplers[i] == sampler_idx)
820	{
821	recorded = TRUE;
822	break;
823	}
824	}
825
826	if (!recorded)
827	{
828	shader->baseShader.sampled_samplers[shader->baseShader.num_sampled_samplers] = sampler_idx;
829	++shader->baseShader.num_sampled_samplers;
830	}
831
832	device->shader_backend->shader_color_correction(arg, fixup);
833	}
834
835	/** Shared code in order to generate the bulk of the shader string.
836	Use the shader_header_fct & shader_footer_fct to add strings
837	that are specific to pixel or vertex functions
838	NOTE: A description of how to parse tokens can be found on msdn */
839	void shader_generate_main(IWineD3DBaseShader iface, SHADER_BUFFER buffer,
840	const shader_reg_maps* reg_maps, CONST DWORD* pFunction)
841	{
842	IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
843	IWineD3DDeviceImpl device = (IWineD3DDeviceImpl ) This->baseShader.device; /* To access shader backend callbacks */
844	const SHADER_OPCODE *opcode_table = This->baseShader.shader_ins;
845	const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
846	DWORD shader_version = This->baseShader.hex_version;
847	const DWORD *pToken = pFunction;
848	const SHADER_OPCODE *curOpcode = NULL;
849	SHADER_HANDLER hw_fct = NULL;
850	DWORD i;
851	SHADER_OPCODE_ARG hw_arg;
852
853	/* Initialize current parsing state */
854	hw_arg.shader = iface;
855	hw_arg.buffer = buffer;
856	hw_arg.reg_maps = reg_maps;
857	This->baseShader.parse_state.current_row = 0;
858
859	/* Second pass, process opcodes */
860	if (NULL != pToken) {
861	while (WINED3DPS_END() != *pToken) {
862
863	/* Skip version token */
864	if (shader_is_version_token(*pToken)) {
865	++pToken;
866	continue;
867	}
868
869	/* Skip comment tokens */
870	if (shader_is_comment(*pToken)) {
871	DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
872	++pToken;
873	TRACE("#%s\n", (const char*)pToken);
874	pToken += comment_len;
875	continue;
876	}
877
878	/* Read opcode */
879	hw_arg.opcode_token = *pToken++;
880	curOpcode = shader_get_opcode(opcode_table, shader_version, hw_arg.opcode_token);
881
882	/* Select handler */
883	if (curOpcode == NULL)
884	hw_fct = NULL;
885	else
886	hw_fct = handler_table[curOpcode->handler_idx];
887
888	/* Unknown opcode and its parameters */
889	if (NULL == curOpcode) {
890	FIXME("Unrecognized opcode: token=0x%08x\n", hw_arg.opcode_token);
891	pToken += shader_skip_unrecognized(iface, pToken);
892
893	/* Nothing to do */
894	} else if (WINED3DSIO_DCL == curOpcode->opcode \|\|
895	WINED3DSIO_NOP == curOpcode->opcode \|\|
896	WINED3DSIO_DEF == curOpcode->opcode \|\|
897	WINED3DSIO_DEFI == curOpcode->opcode \|\|
898	WINED3DSIO_DEFB == curOpcode->opcode \|\|
899	WINED3DSIO_PHASE == curOpcode->opcode \|\|
900	WINED3DSIO_RET == curOpcode->opcode) {
901
902	pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
903
904	/* If a generator function is set for current shader target, use it */
905	} else if (hw_fct != NULL) {
906
907	hw_arg.opcode = curOpcode;
908
909	/* Destination token */
910	if (curOpcode->dst_token) {
911
912	DWORD param, addr_token = 0;
913	pToken += shader_get_param(iface, pToken, &param, &addr_token);
914	hw_arg.dst = param;
915	hw_arg.dst_addr = addr_token;
916	}
917
918	/* Predication token */
919	if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
920	hw_arg.predicate = *pToken++;
921
922	/* Other source tokens */
923	for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); i++) {
924
925	DWORD param, addr_token = 0;
926	pToken += shader_get_param(iface, pToken, &param, &addr_token);
927	hw_arg.src[i] = param;
928	hw_arg.src_addr[i] = addr_token;
929	}
930
931	/* Call appropriate function for output target */
932	hw_fct(&hw_arg);
933
934	/* Add color correction if needed */
935	shader_color_correction(This, device, &hw_arg);
936
937	/* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
938	/* FIXME: This should be internal to the shader backend.
939	* Also, right now this is the only reason "shader_mode" exists. */
940	if (This->baseShader.shader_mode == SHADER_GLSL)
941	shader_glsl_add_instruction_modifiers(&hw_arg);
942
943	/* Unhandled opcode */
944	} else {
945
946	FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
947	pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
948	}
949	}
950	/* TODO: What about result.depth? */
951
952	}
953	}
954
955	static void shader_dump_ins_modifiers(const DWORD output)
956	{
957	DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
958	DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
959
960	switch (shift) {
961	case 0: break;
962	case 13: TRACE("_d8"); break;
963	case 14: TRACE("_d4"); break;
964	case 15: TRACE("_d2"); break;
965	case 1: TRACE("_x2"); break;
966	case 2: TRACE("_x4"); break;
967	case 3: TRACE("_x8"); break;
968	default: TRACE("_unhandled_shift(%d)", shift); break;
969	}
970
971	if (mmask & WINED3DSPDM_SATURATE) TRACE("_sat");
972	if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
973	if (mmask & WINED3DSPDM_MSAMPCENTROID) TRACE("_centroid");
974
975	mmask &= ~(WINED3DSPDM_SATURATE \| WINED3DSPDM_PARTIALPRECISION \| WINED3DSPDM_MSAMPCENTROID);
976	if (mmask)
977	FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
978	}
979
980	/* First pass: trace shader, initialize length and version */
981	void shader_trace_init(
982	IWineD3DBaseShader *iface,
983	const DWORD* pFunction) {
984
985	IWineD3DBaseShaderImpl This =(IWineD3DBaseShaderImpl )iface;
986
987	const DWORD* pToken = pFunction;
988	const SHADER_OPCODE* curOpcode = NULL;
989	DWORD opcode_token;
990	unsigned int len = 0;
991	DWORD i;
992
993	TRACE("(%p) : Parsing program\n", This);
994
995	if (NULL != pToken) {
996	while (WINED3DVS_END() != *pToken) {
997	if (shader_is_version_token(pToken)) { /* version */
998	This->baseShader.hex_version = *pToken;
999	TRACE("%s_%u_%u\n", shader_is_pshader_version(This->baseShader.hex_version)? "ps": "vs",
1000	WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version),
1001	WINED3DSHADER_VERSION_MINOR(This->baseShader.hex_version));
1002	++pToken;
1003	++len;
1004	continue;
1005	}
1006	if (shader_is_comment(pToken)) { /* comment */
1007	DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
1008	++pToken;
1009	TRACE("//%s\n", (const char*)pToken);
1010	pToken += comment_len;
1011	len += comment_len + 1;
1012	continue;
1013	}
1014	opcode_token = *pToken++;
1015	curOpcode = shader_get_opcode(This->baseShader.shader_ins, This->baseShader.hex_version, opcode_token);
1016	len++;
1017
1018	if (NULL == curOpcode) {
1019	int tokens_read;
1020	FIXME("Unrecognized opcode: token=0x%08x\n", opcode_token);
1021	tokens_read = shader_skip_unrecognized(iface, pToken);
1022	pToken += tokens_read;
1023	len += tokens_read;
1024
1025	} else {
1026	if (curOpcode->opcode == WINED3DSIO_DCL) {
1027
1028	DWORD usage = *pToken;
1029	DWORD param = *(pToken + 1);
1030
1031	shader_dump_decl_usage(usage, param, This->baseShader.hex_version);
1032	shader_dump_ins_modifiers(param);
1033	TRACE(" ");
1034	shader_dump_param(param, 0, 0, This->baseShader.hex_version);
1035	pToken += 2;
1036	len += 2;
1037
1038	} else if (curOpcode->opcode == WINED3DSIO_DEF) {
1039
1040	unsigned int offset = shader_get_float_offset(*pToken);
1041
1042	TRACE("def c%u = %f, %f, %f, %f", offset,
1043	(const float )(pToken + 1),
1044	(const float )(pToken + 2),
1045	(const float )(pToken + 3),
1046	(const float )(pToken + 4));
1047
1048	pToken += 5;
1049	len += 5;
1050	} else if (curOpcode->opcode == WINED3DSIO_DEFI) {
1051
1052	TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
1053	*(pToken + 1),
1054	*(pToken + 2),
1055	*(pToken + 3),
1056	*(pToken + 4));
1057
1058	pToken += 5;
1059	len += 5;
1060
1061	} else if (curOpcode->opcode == WINED3DSIO_DEFB) {
1062
1063	TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
1064	*(pToken + 1)? "true": "false");
1065
1066	pToken += 2;
1067	len += 2;
1068
1069	} else {
1070
1071	DWORD param, addr_token;
1072	int tokens_read;
1073
1074	/* Print out predication source token first - it follows
1075	* the destination token. */
1076	if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
1077	TRACE("(");
1078	shader_dump_param(*(pToken + 2), 0, 1, This->baseShader.hex_version);
1079	TRACE(") ");
1080	}
1081	if (opcode_token & WINED3DSI_COISSUE) {
1082	/* PixWin marks instructions with the coissue flag with a '+' */
1083	TRACE("+");
1084	}
1085
1086	TRACE("%s", curOpcode->name);
1087
1088	if (curOpcode->opcode == WINED3DSIO_IFC \|\|
1089	curOpcode->opcode == WINED3DSIO_BREAKC) {
1090
1091	DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
1092	switch (op) {
1093	case COMPARISON_GT: TRACE("_gt"); break;
1094	case COMPARISON_EQ: TRACE("_eq"); break;
1095	case COMPARISON_GE: TRACE("_ge"); break;
1096	case COMPARISON_LT: TRACE("_lt"); break;
1097	case COMPARISON_NE: TRACE("_ne"); break;
1098	case COMPARISON_LE: TRACE("_le"); break;
1099	default:
1100	TRACE("_(%u)", op);
1101	}
1102	} else if (curOpcode->opcode == WINED3DSIO_TEX &&
1103	This->baseShader.hex_version >= WINED3DPS_VERSION(2,0)) {
1104	if(opcode_token & WINED3DSI_TEXLD_PROJECT) TRACE("p");
1105	}
1106
1107	/* Destination token */
1108	if (curOpcode->dst_token) {
1109
1110	/* Destination token */
1111	tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
1112	pToken += tokens_read;
1113	len += tokens_read;
1114
1115	shader_dump_ins_modifiers(param);
1116	TRACE(" ");
1117	shader_dump_param(param, addr_token, 0, This->baseShader.hex_version);
1118	}
1119
1120	/* Predication token - already printed out, just skip it */
1121	if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
1122	pToken++;
1123	len++;
1124	}
1125
1126	/* Other source tokens */
1127	for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i) {
1128
1129	tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
1130	pToken += tokens_read;
1131	len += tokens_read;
1132
1133	TRACE((i == 0)? " " : ", ");
1134	shader_dump_param(param, addr_token, 1, This->baseShader.hex_version);
1135	}
1136	}
1137	TRACE("\n");
1138	}
1139	}
1140	This->baseShader.functionLength = (len + 1) * sizeof(DWORD);
1141	} else {
1142	This->baseShader.functionLength = 1; /* no Function defined use fixed function vertex processing */
1143	}
1144	}
1145
1146	static const SHADER_HANDLER shader_none_instruction_handler_table[WINED3DSIH_TABLE_SIZE] = {0};
1147	static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1148	static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1149	static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1150	static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1151	static void shader_none_cleanup(IWineD3DDevice *iface) {}
1152	static void shader_none_color_correction(const struct SHADER_OPCODE_ARG *arg, struct color_fixup_desc fixup) {}
1153	static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1154	static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1155	static void shader_none_free(IWineD3DDevice *iface) {}
1156	static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1157	static GLuint shader_none_generate_pshader(IWineD3DPixelShader iface, SHADER_BUFFER buffer) {
1158	FIXME("NONE shader backend asked to generate a pixel shader\n");
1159	return 0;
1160	}
1161	static void shader_none_generate_vshader(IWineD3DVertexShader iface, SHADER_BUFFER buffer) {
1162	FIXME("NONE shader backend asked to generate a vertex shader\n");
1163	}
1164
1165	#define GLINFO_LOCATION (*gl_info)
1166	static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info gl_info, struct shader_caps pCaps)
1167	{
1168	/* Set the shader caps to 0 for the none shader backend */
1169	pCaps->VertexShaderVersion = 0;
1170	pCaps->PixelShaderVersion = 0;
1171	pCaps->PixelShader1xMaxValue = 0.0;
1172	}
1173	#undef GLINFO_LOCATION
1174	static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1175	{
1176	if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1177	{
1178	TRACE("Checking support for fixup:\n");
1179	dump_color_fixup_desc(fixup);
1180	}
1181
1182	/* Faked to make some apps happy. */
1183	if (!is_yuv_fixup(fixup))
1184	{
1185	TRACE("[OK]\n");
1186	return TRUE;
1187	}
1188
1189	TRACE("[FAILED]\n");
1190	return FALSE;
1191	}
1192
1193	const shader_backend_t none_shader_backend = {
1194	shader_none_instruction_handler_table,
1195	shader_none_select,
1196	shader_none_select_depth_blt,
1197	shader_none_deselect_depth_blt,
1198	shader_none_load_constants,
1199	shader_none_cleanup,
1200	shader_none_color_correction,
1201	shader_none_destroy,
1202	shader_none_alloc,
1203	shader_none_free,
1204	shader_none_dirty_const,
1205	shader_none_generate_pshader,
1206	shader_none_generate_vshader,
1207	shader_none_get_caps,
1208	shader_none_color_fixup_supported,
1209	};
1210
1211	/* *******************************************
1212	IWineD3DPixelShader IUnknown parts follow
1213	******************************************* */
1214	HRESULT WINAPI IWineD3DBaseShaderImpl_QueryInterface(IWineD3DBaseShader iface, REFIID riid, LPVOID ppobj)
1215	{
1216	IWineD3DBaseShaderImpl This = (IWineD3DBaseShaderImpl )iface;
1217	TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
1218	if (IsEqualGUID(riid, &IID_IUnknown)
1219	\|\| IsEqualGUID(riid, &IID_IWineD3DBase)
1220	\|\| IsEqualGUID(riid, &IID_IWineD3DBaseShader)
1221	\|\| IsEqualGUID(riid, &IID_IWineD3DPixelShader)) {
1222	IUnknown_AddRef(iface);
1223	*ppobj = This;
1224	return S_OK;
1225	}
1226	*ppobj = NULL;
1227	return E_NOINTERFACE;
1228	}
1229
1230	ULONG WINAPI IWineD3DBaseShaderImpl_AddRef(IWineD3DBaseShader *iface) {
1231	IWineD3DPixelShaderImpl This = (IWineD3DPixelShaderImpl )iface;
1232	TRACE("(%p) : AddRef increasing from %d\n", This, This->baseShader.ref);
1233	return InterlockedIncrement(&This->baseShader.ref);
1234	}
1235
1236	ULONG WINAPI IWineD3DBaseShaderImpl_Release(IWineD3DBaseShader *iface) {
1237	IWineD3DBaseShaderImpl This = (IWineD3DBaseShaderImpl )iface;
1238	IWineD3DDeviceImpl deviceImpl = (IWineD3DDeviceImpl ) This->baseShader.device;
1239	ULONG ref;
1240	TRACE("(%p) : Releasing from %d\n", This, This->baseShader.ref);
1241	ref = InterlockedDecrement(&This->baseShader.ref);
1242	if (ref == 0) {
1243	deviceImpl->shader_backend->shader_destroy(iface);
1244	HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1245	shader_delete_constant_list(&This->baseShader.constantsF);
1246	shader_delete_constant_list(&This->baseShader.constantsB);
1247	shader_delete_constant_list(&This->baseShader.constantsI);
1248	list_remove(&This->baseShader.shader_list_entry);
1249	HeapFree(GetProcessHeap(), 0, This);
1250	}
1251	return ref;
1252	}

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source: vbox/trunk/src/VBox/Additions/WINNT/Graphics/Wine/wined3d/baseshader.c@ 16684

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