Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
5564 | serge | 1 | /************************************************************************** |
2 | * |
||
3 | * Copyright 2007 VMware, Inc. |
||
4 | * All Rights Reserved. |
||
5 | * |
||
6 | * Permission is hereby granted, free of charge, to any person obtaining a |
||
7 | * copy of this software and associated documentation files (the |
||
8 | * "Software"), to deal in the Software without restriction, including |
||
9 | * without limitation the rights to use, copy, modify, merge, publish, |
||
10 | * distribute, sub license, and/or sell copies of the Software, and to |
||
11 | * permit persons to whom the Software is furnished to do so, subject to |
||
12 | * the following conditions: |
||
13 | * |
||
14 | * The above copyright notice and this permission notice (including the |
||
15 | * next paragraph) shall be included in all copies or substantial portions |
||
16 | * of the Software. |
||
17 | * |
||
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
||
19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
||
20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
||
21 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
||
22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
||
23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
||
24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
||
25 | * |
||
26 | **************************************************************************/ |
||
27 | |||
28 | /* |
||
29 | * Authors: |
||
30 | * Keith Whitwell |
||
31 | * Brian Paul |
||
32 | */ |
||
33 | |||
34 | |||
35 | #include "main/macros.h" |
||
36 | #include "main/mtypes.h" |
||
37 | #include "main/samplerobj.h" |
||
38 | #include "main/teximage.h" |
||
39 | #include "main/texobj.h" |
||
40 | #include "program/prog_instruction.h" |
||
41 | |||
42 | #include "st_context.h" |
||
43 | #include "st_atom.h" |
||
44 | #include "st_texture.h" |
||
45 | #include "st_format.h" |
||
46 | #include "st_cb_texture.h" |
||
47 | #include "pipe/p_context.h" |
||
48 | #include "util/u_format.h" |
||
49 | #include "util/u_inlines.h" |
||
50 | #include "cso_cache/cso_context.h" |
||
51 | |||
52 | |||
53 | /** |
||
54 | * Return swizzle1(swizzle2) |
||
55 | */ |
||
56 | static unsigned |
||
57 | swizzle_swizzle(unsigned swizzle1, unsigned swizzle2) |
||
58 | { |
||
59 | unsigned i, swz[4]; |
||
60 | |||
61 | for (i = 0; i < 4; i++) { |
||
62 | unsigned s = GET_SWZ(swizzle1, i); |
||
63 | switch (s) { |
||
64 | case SWIZZLE_X: |
||
65 | case SWIZZLE_Y: |
||
66 | case SWIZZLE_Z: |
||
67 | case SWIZZLE_W: |
||
68 | swz[i] = GET_SWZ(swizzle2, s); |
||
69 | break; |
||
70 | case SWIZZLE_ZERO: |
||
71 | swz[i] = SWIZZLE_ZERO; |
||
72 | break; |
||
73 | case SWIZZLE_ONE: |
||
74 | swz[i] = SWIZZLE_ONE; |
||
75 | break; |
||
76 | default: |
||
77 | assert(!"Bad swizzle term"); |
||
78 | swz[i] = SWIZZLE_X; |
||
79 | } |
||
80 | } |
||
81 | |||
82 | return MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]); |
||
83 | } |
||
84 | |||
85 | |||
86 | /** |
||
87 | * Given a user-specified texture base format, the actual gallium texture |
||
88 | * format and the current GL_DEPTH_MODE, return a texture swizzle. |
||
89 | * |
||
90 | * Consider the case where the user requests a GL_RGB internal texture |
||
91 | * format the driver actually uses an RGBA format. The A component should |
||
92 | * be ignored and sampling from the texture should always return (r,g,b,1). |
||
93 | * But if we rendered to the texture we might have written A values != 1. |
||
94 | * By sampling the texture with a ".xyz1" swizzle we'll get the expected A=1. |
||
95 | * This function computes the texture swizzle needed to get the expected |
||
96 | * values. |
||
97 | * |
||
98 | * In the case of depth textures, the GL_DEPTH_MODE state determines the |
||
99 | * texture swizzle. |
||
100 | * |
||
101 | * This result must be composed with the user-specified swizzle to get |
||
102 | * the final swizzle. |
||
103 | */ |
||
104 | static unsigned |
||
105 | compute_texture_format_swizzle(GLenum baseFormat, GLenum depthMode, |
||
106 | enum pipe_format actualFormat) |
||
107 | { |
||
108 | switch (baseFormat) { |
||
109 | case GL_RGBA: |
||
110 | return SWIZZLE_XYZW; |
||
111 | case GL_RGB: |
||
112 | if (util_format_has_alpha(actualFormat)) |
||
113 | return MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE); |
||
114 | else |
||
115 | return SWIZZLE_XYZW; |
||
116 | case GL_RG: |
||
117 | if (util_format_get_nr_components(actualFormat) > 2) |
||
118 | return MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_ZERO, SWIZZLE_ONE); |
||
119 | else |
||
120 | return SWIZZLE_XYZW; |
||
121 | case GL_RED: |
||
122 | if (util_format_get_nr_components(actualFormat) > 1) |
||
123 | return MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_ZERO, |
||
124 | SWIZZLE_ZERO, SWIZZLE_ONE); |
||
125 | else |
||
126 | return SWIZZLE_XYZW; |
||
127 | case GL_ALPHA: |
||
128 | if (util_format_get_nr_components(actualFormat) > 1) |
||
129 | return MAKE_SWIZZLE4(SWIZZLE_ZERO, SWIZZLE_ZERO, |
||
130 | SWIZZLE_ZERO, SWIZZLE_W); |
||
131 | else |
||
132 | return SWIZZLE_XYZW; |
||
133 | case GL_LUMINANCE: |
||
134 | if (util_format_get_nr_components(actualFormat) > 1) |
||
135 | return MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_ONE); |
||
136 | else |
||
137 | return SWIZZLE_XYZW; |
||
138 | case GL_LUMINANCE_ALPHA: |
||
139 | if (util_format_get_nr_components(actualFormat) > 2) |
||
140 | return MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_W); |
||
141 | else |
||
142 | return SWIZZLE_XYZW; |
||
143 | case GL_INTENSITY: |
||
144 | if (util_format_get_nr_components(actualFormat) > 1) |
||
145 | return SWIZZLE_XXXX; |
||
146 | else |
||
147 | return SWIZZLE_XYZW; |
||
148 | case GL_STENCIL_INDEX: |
||
149 | return SWIZZLE_XYZW; |
||
150 | case GL_DEPTH_STENCIL: |
||
151 | /* fall-through */ |
||
152 | case GL_DEPTH_COMPONENT: |
||
153 | /* Now examine the depth mode */ |
||
154 | switch (depthMode) { |
||
155 | case GL_LUMINANCE: |
||
156 | return MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_ONE); |
||
157 | case GL_INTENSITY: |
||
158 | return MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X); |
||
159 | case GL_ALPHA: |
||
160 | return MAKE_SWIZZLE4(SWIZZLE_ZERO, SWIZZLE_ZERO, |
||
161 | SWIZZLE_ZERO, SWIZZLE_X); |
||
162 | case GL_RED: |
||
163 | return MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_ZERO, |
||
164 | SWIZZLE_ZERO, SWIZZLE_ONE); |
||
165 | default: |
||
166 | assert(!"Unexpected depthMode"); |
||
167 | return SWIZZLE_XYZW; |
||
168 | } |
||
169 | default: |
||
170 | assert(!"Unexpected baseFormat"); |
||
171 | return SWIZZLE_XYZW; |
||
172 | } |
||
173 | } |
||
174 | |||
175 | |||
176 | static unsigned |
||
177 | get_texture_format_swizzle(const struct st_texture_object *stObj) |
||
178 | { |
||
179 | GLenum baseFormat = _mesa_texture_base_format(&stObj->base); |
||
180 | unsigned tex_swizzle; |
||
181 | |||
182 | if (baseFormat != GL_NONE) { |
||
183 | tex_swizzle = compute_texture_format_swizzle(baseFormat, |
||
184 | stObj->base.DepthMode, |
||
185 | stObj->pt->format); |
||
186 | } |
||
187 | else { |
||
188 | tex_swizzle = SWIZZLE_XYZW; |
||
189 | } |
||
190 | |||
191 | /* Combine the texture format swizzle with user's swizzle */ |
||
192 | return swizzle_swizzle(stObj->base._Swizzle, tex_swizzle); |
||
193 | } |
||
194 | |||
195 | |||
196 | /** |
||
197 | * Return TRUE if the texture's sampler view swizzle is not equal to |
||
198 | * the texture's swizzle. |
||
199 | * |
||
200 | * \param stObj the st texture object, |
||
201 | */ |
||
202 | static boolean |
||
203 | check_sampler_swizzle(const struct st_texture_object *stObj, |
||
204 | struct pipe_sampler_view *sv) |
||
205 | { |
||
206 | unsigned swizzle = get_texture_format_swizzle(stObj); |
||
207 | |||
208 | return ((sv->swizzle_r != GET_SWZ(swizzle, 0)) || |
||
209 | (sv->swizzle_g != GET_SWZ(swizzle, 1)) || |
||
210 | (sv->swizzle_b != GET_SWZ(swizzle, 2)) || |
||
211 | (sv->swizzle_a != GET_SWZ(swizzle, 3))); |
||
212 | } |
||
213 | |||
214 | |||
215 | static unsigned last_level(struct st_texture_object *stObj) |
||
216 | { |
||
217 | unsigned ret = MIN2(stObj->base.MinLevel + stObj->base._MaxLevel, |
||
218 | stObj->pt->last_level); |
||
219 | if (stObj->base.Immutable) |
||
220 | ret = MIN2(ret, stObj->base.MinLevel + stObj->base.NumLevels - 1); |
||
221 | return ret; |
||
222 | } |
||
223 | |||
224 | static unsigned last_layer(struct st_texture_object *stObj) |
||
225 | { |
||
226 | if (stObj->base.Immutable && stObj->pt->array_size > 1) |
||
227 | return MIN2(stObj->base.MinLayer + stObj->base.NumLayers - 1, |
||
228 | stObj->pt->array_size - 1); |
||
229 | return stObj->pt->array_size - 1; |
||
230 | } |
||
231 | |||
232 | static struct pipe_sampler_view * |
||
233 | st_create_texture_sampler_view_from_stobj(struct pipe_context *pipe, |
||
234 | struct st_texture_object *stObj, |
||
235 | const struct gl_sampler_object *samp, |
||
236 | enum pipe_format format) |
||
237 | { |
||
238 | struct pipe_sampler_view templ; |
||
239 | unsigned swizzle = get_texture_format_swizzle(stObj); |
||
240 | |||
241 | u_sampler_view_default_template(&templ, |
||
242 | stObj->pt, |
||
243 | format); |
||
244 | |||
245 | if (stObj->pt->target == PIPE_BUFFER) { |
||
246 | unsigned base, size; |
||
247 | unsigned f, n; |
||
248 | const struct util_format_description *desc |
||
249 | = util_format_description(templ.format); |
||
250 | |||
251 | base = stObj->base.BufferOffset; |
||
252 | if (base >= stObj->pt->width0) |
||
253 | return NULL; |
||
254 | size = MIN2(stObj->pt->width0 - base, (unsigned)stObj->base.BufferSize); |
||
255 | |||
256 | f = ((base * 8) / desc->block.bits) * desc->block.width; |
||
257 | n = ((size * 8) / desc->block.bits) * desc->block.width; |
||
258 | if (!n) |
||
259 | return NULL; |
||
260 | templ.u.buf.first_element = f; |
||
261 | templ.u.buf.last_element = f + (n - 1); |
||
262 | } else { |
||
263 | templ.u.tex.first_level = stObj->base.MinLevel + stObj->base.BaseLevel; |
||
264 | templ.u.tex.last_level = last_level(stObj); |
||
265 | assert(templ.u.tex.first_level <= templ.u.tex.last_level); |
||
266 | templ.u.tex.first_layer = stObj->base.MinLayer; |
||
267 | templ.u.tex.last_layer = last_layer(stObj); |
||
268 | assert(templ.u.tex.first_layer <= templ.u.tex.last_layer); |
||
269 | templ.target = gl_target_to_pipe(stObj->base.Target); |
||
270 | } |
||
271 | |||
272 | if (swizzle != SWIZZLE_NOOP) { |
||
273 | templ.swizzle_r = GET_SWZ(swizzle, 0); |
||
274 | templ.swizzle_g = GET_SWZ(swizzle, 1); |
||
275 | templ.swizzle_b = GET_SWZ(swizzle, 2); |
||
276 | templ.swizzle_a = GET_SWZ(swizzle, 3); |
||
277 | } |
||
278 | |||
279 | return pipe->create_sampler_view(pipe, stObj->pt, &templ); |
||
280 | } |
||
281 | |||
282 | |||
283 | static struct pipe_sampler_view * |
||
284 | st_get_texture_sampler_view_from_stobj(struct st_context *st, |
||
285 | struct st_texture_object *stObj, |
||
286 | const struct gl_sampler_object *samp, |
||
287 | enum pipe_format format) |
||
288 | { |
||
289 | struct pipe_sampler_view **sv; |
||
290 | const struct st_texture_image *firstImage; |
||
291 | if (!stObj || !stObj->pt) { |
||
292 | return NULL; |
||
293 | } |
||
294 | |||
295 | sv = st_texture_get_sampler_view(st, stObj); |
||
296 | |||
297 | if (util_format_is_depth_and_stencil(format)) { |
||
298 | if (stObj->base.StencilSampling) |
||
299 | format = util_format_stencil_only(format); |
||
300 | else { |
||
301 | firstImage = st_texture_image_const(_mesa_base_tex_image(&stObj->base)); |
||
302 | if (firstImage->base._BaseFormat == GL_STENCIL_INDEX) |
||
303 | format = util_format_stencil_only(format); |
||
304 | } |
||
305 | } |
||
306 | |||
307 | /* if sampler view has changed dereference it */ |
||
308 | if (*sv) { |
||
309 | if (check_sampler_swizzle(stObj, *sv) || |
||
310 | (format != (*sv)->format) || |
||
311 | gl_target_to_pipe(stObj->base.Target) != (*sv)->target || |
||
312 | stObj->base.MinLevel + stObj->base.BaseLevel != (*sv)->u.tex.first_level || |
||
313 | last_level(stObj) != (*sv)->u.tex.last_level || |
||
314 | stObj->base.MinLayer != (*sv)->u.tex.first_layer || |
||
315 | last_layer(stObj) != (*sv)->u.tex.last_layer) { |
||
316 | pipe_sampler_view_reference(sv, NULL); |
||
317 | } |
||
318 | } |
||
319 | |||
320 | if (!*sv) { |
||
321 | *sv = st_create_texture_sampler_view_from_stobj(st->pipe, stObj, samp, format); |
||
322 | |||
323 | } else if ((*sv)->context != st->pipe) { |
||
324 | /* Recreate view in correct context, use existing view as template */ |
||
325 | struct pipe_sampler_view *new_sv = |
||
326 | st->pipe->create_sampler_view(st->pipe, stObj->pt, *sv); |
||
327 | pipe_sampler_view_reference(sv, NULL); |
||
328 | *sv = new_sv; |
||
329 | } |
||
330 | |||
331 | return *sv; |
||
332 | } |
||
333 | |||
334 | static GLboolean |
||
335 | update_single_texture(struct st_context *st, |
||
336 | struct pipe_sampler_view **sampler_view, |
||
337 | GLuint texUnit) |
||
338 | { |
||
339 | struct gl_context *ctx = st->ctx; |
||
340 | const struct gl_sampler_object *samp; |
||
341 | struct gl_texture_object *texObj; |
||
342 | struct st_texture_object *stObj; |
||
343 | enum pipe_format view_format; |
||
344 | GLboolean retval; |
||
345 | |||
346 | samp = _mesa_get_samplerobj(ctx, texUnit); |
||
347 | |||
348 | texObj = ctx->Texture.Unit[texUnit]._Current; |
||
349 | |||
350 | if (!texObj) { |
||
351 | texObj = _mesa_get_fallback_texture(ctx, TEXTURE_2D_INDEX); |
||
352 | samp = &texObj->Sampler; |
||
353 | } |
||
354 | stObj = st_texture_object(texObj); |
||
355 | |||
356 | retval = st_finalize_texture(ctx, st->pipe, texObj); |
||
357 | if (!retval) { |
||
358 | /* out of mem */ |
||
359 | return GL_FALSE; |
||
360 | } |
||
361 | |||
362 | /* Determine the format of the texture sampler view */ |
||
363 | if (texObj->Target == GL_TEXTURE_BUFFER) { |
||
364 | view_format = |
||
365 | st_mesa_format_to_pipe_format(st, stObj->base._BufferObjectFormat); |
||
366 | } |
||
367 | else { |
||
368 | view_format = |
||
369 | stObj->surface_based ? stObj->surface_format : stObj->pt->format; |
||
370 | |||
371 | /* If sRGB decoding is off, use the linear format */ |
||
372 | if (samp->sRGBDecode == GL_SKIP_DECODE_EXT) { |
||
373 | view_format = util_format_linear(view_format); |
||
374 | } |
||
375 | } |
||
376 | |||
377 | *sampler_view = st_get_texture_sampler_view_from_stobj(st, stObj, samp, |
||
378 | view_format); |
||
379 | return GL_TRUE; |
||
380 | } |
||
381 | |||
382 | |||
383 | |||
384 | static void |
||
385 | update_textures(struct st_context *st, |
||
386 | unsigned shader_stage, |
||
387 | const struct gl_program *prog, |
||
388 | unsigned max_units, |
||
389 | struct pipe_sampler_view **sampler_views, |
||
390 | unsigned *num_textures) |
||
391 | { |
||
392 | const GLuint old_max = *num_textures; |
||
393 | GLbitfield samplers_used = prog->SamplersUsed; |
||
394 | GLuint unit; |
||
395 | |||
396 | if (samplers_used == 0x0 && old_max == 0) |
||
397 | return; |
||
398 | |||
399 | *num_textures = 0; |
||
400 | |||
401 | /* loop over sampler units (aka tex image units) */ |
||
402 | for (unit = 0; unit < max_units; unit++, samplers_used >>= 1) { |
||
403 | struct pipe_sampler_view *sampler_view = NULL; |
||
404 | |||
405 | if (samplers_used & 1) { |
||
406 | const GLuint texUnit = prog->SamplerUnits[unit]; |
||
407 | GLboolean retval; |
||
408 | |||
409 | retval = update_single_texture(st, &sampler_view, texUnit); |
||
410 | if (retval == GL_FALSE) |
||
411 | continue; |
||
412 | |||
413 | *num_textures = unit + 1; |
||
414 | } |
||
415 | else if (samplers_used == 0 && unit >= old_max) { |
||
416 | /* if we've reset all the old views and we have no more new ones */ |
||
417 | break; |
||
418 | } |
||
419 | |||
420 | pipe_sampler_view_reference(&(sampler_views[unit]), sampler_view); |
||
421 | } |
||
422 | |||
423 | cso_set_sampler_views(st->cso_context, |
||
424 | shader_stage, |
||
425 | *num_textures, |
||
426 | sampler_views); |
||
427 | } |
||
428 | |||
429 | |||
430 | |||
431 | static void |
||
432 | update_vertex_textures(struct st_context *st) |
||
433 | { |
||
434 | const struct gl_context *ctx = st->ctx; |
||
435 | |||
436 | if (ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits > 0) { |
||
437 | update_textures(st, |
||
438 | PIPE_SHADER_VERTEX, |
||
439 | &ctx->VertexProgram._Current->Base, |
||
440 | ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits, |
||
441 | st->state.sampler_views[PIPE_SHADER_VERTEX], |
||
442 | &st->state.num_sampler_views[PIPE_SHADER_VERTEX]); |
||
443 | } |
||
444 | } |
||
445 | |||
446 | |||
447 | static void |
||
448 | update_fragment_textures(struct st_context *st) |
||
449 | { |
||
450 | const struct gl_context *ctx = st->ctx; |
||
451 | |||
452 | update_textures(st, |
||
453 | PIPE_SHADER_FRAGMENT, |
||
454 | &ctx->FragmentProgram._Current->Base, |
||
455 | ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits, |
||
456 | st->state.sampler_views[PIPE_SHADER_FRAGMENT], |
||
457 | &st->state.num_sampler_views[PIPE_SHADER_FRAGMENT]); |
||
458 | } |
||
459 | |||
460 | |||
461 | static void |
||
462 | update_geometry_textures(struct st_context *st) |
||
463 | { |
||
464 | const struct gl_context *ctx = st->ctx; |
||
465 | |||
466 | if (ctx->GeometryProgram._Current) { |
||
467 | update_textures(st, |
||
468 | PIPE_SHADER_GEOMETRY, |
||
469 | &ctx->GeometryProgram._Current->Base, |
||
470 | ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits, |
||
471 | st->state.sampler_views[PIPE_SHADER_GEOMETRY], |
||
472 | &st->state.num_sampler_views[PIPE_SHADER_GEOMETRY]); |
||
473 | } |
||
474 | } |
||
475 | |||
476 | |||
477 | const struct st_tracked_state st_update_fragment_texture = { |
||
478 | "st_update_texture", /* name */ |
||
479 | { /* dirty */ |
||
480 | _NEW_TEXTURE, /* mesa */ |
||
481 | ST_NEW_FRAGMENT_PROGRAM, /* st */ |
||
482 | }, |
||
483 | update_fragment_textures /* update */ |
||
484 | }; |
||
485 | |||
486 | |||
487 | const struct st_tracked_state st_update_vertex_texture = { |
||
488 | "st_update_vertex_texture", /* name */ |
||
489 | { /* dirty */ |
||
490 | _NEW_TEXTURE, /* mesa */ |
||
491 | ST_NEW_VERTEX_PROGRAM, /* st */ |
||
492 | }, |
||
493 | update_vertex_textures /* update */ |
||
494 | }; |
||
495 | |||
496 | |||
497 | const struct st_tracked_state st_update_geometry_texture = { |
||
498 | "st_update_geometry_texture", /* name */ |
||
499 | { /* dirty */ |
||
500 | _NEW_TEXTURE, /* mesa */ |
||
501 | ST_NEW_GEOMETRY_PROGRAM, /* st */ |
||
502 | }, |
||
503 | update_geometry_textures /* update */ |
||
504 | }; |
||
505 | |||
506 | |||
507 | |||
508 | static void |
||
509 | finalize_textures(struct st_context *st) |
||
510 | { |
||
511 | struct gl_context *ctx = st->ctx; |
||
512 | struct gl_fragment_program *fprog = ctx->FragmentProgram._Current; |
||
513 | const GLboolean prev_missing_textures = st->missing_textures; |
||
514 | GLuint su; |
||
515 | |||
516 | st->missing_textures = GL_FALSE; |
||
517 | |||
518 | for (su = 0; su < ctx->Const.MaxTextureCoordUnits; su++) { |
||
519 | if (fprog->Base.SamplersUsed & (1 << su)) { |
||
520 | const GLuint texUnit = fprog->Base.SamplerUnits[su]; |
||
521 | struct gl_texture_object *texObj |
||
522 | = ctx->Texture.Unit[texUnit]._Current; |
||
523 | |||
524 | if (texObj) { |
||
525 | GLboolean retval; |
||
526 | |||
527 | retval = st_finalize_texture(ctx, st->pipe, texObj); |
||
528 | if (!retval) { |
||
529 | /* out of mem */ |
||
530 | st->missing_textures = GL_TRUE; |
||
531 | continue; |
||
532 | } |
||
533 | } |
||
534 | } |
||
535 | } |
||
536 | |||
537 | if (prev_missing_textures != st->missing_textures) |
||
538 | st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; |
||
539 | } |
||
540 | |||
541 | |||
542 | const struct st_tracked_state st_finalize_textures = { |
||
543 | "st_finalize_textures", /* name */ |
||
544 | { /* dirty */ |
||
545 | _NEW_TEXTURE, /* mesa */ |
||
546 | 0, /* st */ |
||
547 | }, |
||
548 | finalize_textures /* update */ |
||
549 | };><>>>=>=>> |