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widl: Set the default calling convention at header generation time, not at parsing...
[wine/hramrach.git] / dlls / wined3d / context.c
blob0fa38c29407944e4df9cc9d9aac9559f22bcb7ed
1 /*
2 * Context and render target management in wined3d
3 *
4 * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
5 * Copyright 2009 Henri Verbeet for CodeWeavers
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include <stdio.h>
24 #ifdef HAVE_FLOAT_H
25 # include <float.h>
26 #endif
27 #include "wined3d_private.h"
28
29 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
30
31 static DWORD wined3d_context_tls_idx;
32
33 /* FBO helper functions */
34
35 /* GL locking is done by the caller */
36 void context_bind_fbo(struct wined3d_context *context, GLenum target, GLuint *fbo)
37 {
38 const struct wined3d_gl_info *gl_info = context->gl_info;
39 GLuint f;
40
41 if (!fbo)
42 {
43 f = 0;
44 }
45 else
46 {
47 if (!*fbo)
48 {
49 gl_info->fbo_ops.glGenFramebuffers(1, fbo);
50 checkGLcall("glGenFramebuffers()");
51 TRACE("Created FBO %u.\n", *fbo);
52 }
53 f = *fbo;
54 }
55
56 switch (target)
57 {
58 case GL_READ_FRAMEBUFFER:
59 if (context->fbo_read_binding == f) return;
60 context->fbo_read_binding = f;
61 break;
62
63 case GL_DRAW_FRAMEBUFFER:
64 if (context->fbo_draw_binding == f) return;
65 context->fbo_draw_binding = f;
66 break;
67
68 case GL_FRAMEBUFFER:
69 if (context->fbo_read_binding == f
70 && context->fbo_draw_binding == f) return;
71 context->fbo_read_binding = f;
72 context->fbo_draw_binding = f;
73 break;
74
75 default:
76 FIXME("Unhandled target %#x.\n", target);
77 break;
78 }
79
80 gl_info->fbo_ops.glBindFramebuffer(target, f);
81 checkGLcall("glBindFramebuffer()");
82 }
83
84 /* GL locking is done by the caller */
85 static void context_clean_fbo_attachments(const struct wined3d_gl_info *gl_info, GLenum target)
86 {
87 unsigned int i;
88
89 for (i = 0; i < gl_info->limits.buffers; ++i)
90 {
91 gl_info->fbo_ops.glFramebufferTexture2D(target, GL_COLOR_ATTACHMENT0 + i, GL_TEXTURE_2D, 0, 0);
92 checkGLcall("glFramebufferTexture2D()");
93 }
94 gl_info->fbo_ops.glFramebufferTexture2D(target, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
95 checkGLcall("glFramebufferTexture2D()");
96
97 gl_info->fbo_ops.glFramebufferTexture2D(target, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
98 checkGLcall("glFramebufferTexture2D()");
99 }
100
101 /* GL locking is done by the caller */
102 static void context_destroy_fbo(struct wined3d_context *context, GLuint *fbo)
103 {
104 const struct wined3d_gl_info *gl_info = context->gl_info;
105
106 context_bind_fbo(context, GL_FRAMEBUFFER, fbo);
107 context_clean_fbo_attachments(gl_info, GL_FRAMEBUFFER);
108 context_bind_fbo(context, GL_FRAMEBUFFER, NULL);
109
110 gl_info->fbo_ops.glDeleteFramebuffers(1, fbo);
111 checkGLcall("glDeleteFramebuffers()");
112 }
113
114 /* GL locking is done by the caller */
115 static void context_apply_attachment_filter_states(IWineD3DSurfaceImpl *surface, DWORD location)
116 {
117 /* Update base texture states array */
118 if (surface->container.type == WINED3D_CONTAINER_TEXTURE)
119 {
120 IWineD3DBaseTextureImpl *texture_impl = surface->container.u.texture;
121 IWineD3DDeviceImpl *device = surface->resource.device;
122 BOOL update_minfilter = FALSE;
123 BOOL update_magfilter = FALSE;
124 struct gl_texture *gl_tex;
125
126 switch (location)
127 {
128 case SFLAG_INTEXTURE:
129 gl_tex = &texture_impl->baseTexture.texture_rgb;
130 break;
131
132 case SFLAG_INSRGBTEX:
133 gl_tex = &texture_impl->baseTexture.texture_srgb;
134 break;
135
136 default:
137 ERR("Unsupported location %s (%#x).\n", debug_surflocation(location), location);
138 IWineD3DBaseTexture_Release((IWineD3DBaseTexture *)texture_impl);
139 return;
140 }
141
142 if (gl_tex->states[WINED3DTEXSTA_MINFILTER] != WINED3DTEXF_POINT
143 || gl_tex->states[WINED3DTEXSTA_MIPFILTER] != WINED3DTEXF_NONE)
144 {
145 gl_tex->states[WINED3DTEXSTA_MINFILTER] = WINED3DTEXF_POINT;
146 gl_tex->states[WINED3DTEXSTA_MIPFILTER] = WINED3DTEXF_NONE;
147 update_minfilter = TRUE;
148 }
149
150 if (gl_tex->states[WINED3DTEXSTA_MAGFILTER] != WINED3DTEXF_POINT)
151 {
152 gl_tex->states[WINED3DTEXSTA_MAGFILTER] = WINED3DTEXF_POINT;
153 update_magfilter = TRUE;
154 }
155
156 if (texture_impl->baseTexture.bindCount)
157 {
158 WARN("Render targets should not be bound to a sampler\n");
159 IWineD3DDeviceImpl_MarkStateDirty(device, STATE_SAMPLER(texture_impl->baseTexture.sampler));
160 }
161
162 if (update_minfilter || update_magfilter)
163 {
164 GLenum target, bind_target;
165 GLint old_binding;
166
167 target = surface->texture_target;
168 if (target == GL_TEXTURE_2D)
169 {
170 bind_target = GL_TEXTURE_2D;
171 glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_binding);
172 }
173 else if (target == GL_TEXTURE_RECTANGLE_ARB)
174 {
175 bind_target = GL_TEXTURE_RECTANGLE_ARB;
176 glGetIntegerv(GL_TEXTURE_BINDING_RECTANGLE_ARB, &old_binding);
177 }
178 else
179 {
180 bind_target = GL_TEXTURE_CUBE_MAP_ARB;
181 glGetIntegerv(GL_TEXTURE_BINDING_CUBE_MAP_ARB, &old_binding);
182 }
183
184 glBindTexture(bind_target, gl_tex->name);
185 if (update_minfilter) glTexParameteri(bind_target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
186 if (update_magfilter) glTexParameteri(bind_target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
187 glBindTexture(bind_target, old_binding);
188 }
189
190 checkGLcall("apply_attachment_filter_states()");
191 }
192 }
193
194 /* GL locking is done by the caller */
195 void context_attach_depth_stencil_fbo(struct wined3d_context *context,
196 GLenum fbo_target, IWineD3DSurfaceImpl *depth_stencil, BOOL use_render_buffer)
197 {
198 const struct wined3d_gl_info *gl_info = context->gl_info;
199
200 TRACE("Attach depth stencil %p\n", depth_stencil);
201
202 if (depth_stencil)
203 {
204 DWORD format_flags = depth_stencil->resource.format_desc->Flags;
205
206 if (use_render_buffer && depth_stencil->current_renderbuffer)
207 {
208 if (format_flags & WINED3DFMT_FLAG_DEPTH)
209 {
210 gl_info->fbo_ops.glFramebufferRenderbuffer(fbo_target, GL_DEPTH_ATTACHMENT,
211 GL_RENDERBUFFER, depth_stencil->current_renderbuffer->id);
212 checkGLcall("glFramebufferRenderbuffer()");
213 }
214
215 if (format_flags & WINED3DFMT_FLAG_STENCIL)
216 {
217 gl_info->fbo_ops.glFramebufferRenderbuffer(fbo_target, GL_STENCIL_ATTACHMENT,
218 GL_RENDERBUFFER, depth_stencil->current_renderbuffer->id);
219 checkGLcall("glFramebufferRenderbuffer()");
220 }
221 }
222 else
223 {
224 surface_prepare_texture(depth_stencil, gl_info, FALSE);
225 context_apply_attachment_filter_states(depth_stencil, SFLAG_INTEXTURE);
226
227 if (format_flags & WINED3DFMT_FLAG_DEPTH)
228 {
229 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_DEPTH_ATTACHMENT,
230 depth_stencil->texture_target, depth_stencil->texture_name,
231 depth_stencil->texture_level);
232 checkGLcall("glFramebufferTexture2D()");
233 }
234
235 if (format_flags & WINED3DFMT_FLAG_STENCIL)
236 {
237 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_STENCIL_ATTACHMENT,
238 depth_stencil->texture_target, depth_stencil->texture_name,
239 depth_stencil->texture_level);
240 checkGLcall("glFramebufferTexture2D()");
241 }
242 }
243
244 if (!(format_flags & WINED3DFMT_FLAG_DEPTH))
245 {
246 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
247 checkGLcall("glFramebufferTexture2D()");
248 }
249
250 if (!(format_flags & WINED3DFMT_FLAG_STENCIL))
251 {
252 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
253 checkGLcall("glFramebufferTexture2D()");
254 }
255 }
256 else
257 {
258 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
259 checkGLcall("glFramebufferTexture2D()");
260
261 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
262 checkGLcall("glFramebufferTexture2D()");
263 }
264 }
265
266 /* GL locking is done by the caller */
267 static void context_attach_surface_fbo(const struct wined3d_context *context,
268 GLenum fbo_target, DWORD idx, IWineD3DSurfaceImpl *surface, DWORD location)
269 {
270 const struct wined3d_gl_info *gl_info = context->gl_info;
271
272 TRACE("Attach surface %p to %u\n", surface, idx);
273
274 if (surface)
275 {
276 switch (location)
277 {
278 case SFLAG_INTEXTURE:
279 surface_prepare_texture(surface, gl_info, FALSE);
280 context_apply_attachment_filter_states(surface, location);
281 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_COLOR_ATTACHMENT0 + idx,
282 surface->texture_target, surface->texture_name, surface->texture_level);
283 break;
284
285 case SFLAG_INSRGBTEX:
286 surface_prepare_texture(surface, gl_info, TRUE);
287 context_apply_attachment_filter_states(surface, location);
288 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_COLOR_ATTACHMENT0 + idx,
289 surface->texture_target, surface->texture_name_srgb, surface->texture_level);
290 break;
291
292 default:
293 ERR("Unsupported location %s (%#x).\n", debug_surflocation(location), location);
294 break;
295 }
296 checkGLcall("glFramebufferTexture2D()");
297 }
298 else
299 {
300 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_COLOR_ATTACHMENT0 + idx, GL_TEXTURE_2D, 0, 0);
301 checkGLcall("glFramebufferTexture2D()");
302 }
303 }
304
305 /* GL locking is done by the caller */
306 static void context_check_fbo_status(struct wined3d_context *context, GLenum target)
307 {
308 const struct wined3d_gl_info *gl_info = context->gl_info;
309 GLenum status;
310
311 status = gl_info->fbo_ops.glCheckFramebufferStatus(target);
312 if (status == GL_FRAMEBUFFER_COMPLETE)
313 {
314 TRACE("FBO complete\n");
315 } else {
316 IWineD3DSurfaceImpl *attachment;
317 unsigned int i;
318 FIXME("FBO status %s (%#x)\n", debug_fbostatus(status), status);
319
320 if (!context->current_fbo)
321 {
322 ERR("FBO 0 is incomplete, driver bug?\n");
323 return;
324 }
325
326 FIXME("\tLocation %s (%#x).\n", debug_surflocation(context->current_fbo->location),
327 context->current_fbo->location);
328
329 /* Dump the FBO attachments */
330 for (i = 0; i < gl_info->limits.buffers; ++i)
331 {
332 attachment = context->current_fbo->render_targets[i];
333 if (attachment)
334 {
335 FIXME("\tColor attachment %d: (%p) %s %ux%u\n",
336 i, attachment, debug_d3dformat(attachment->resource.format_desc->id),
337 attachment->pow2Width, attachment->pow2Height);
338 }
339 }
340 attachment = context->current_fbo->depth_stencil;
341 if (attachment)
342 {
343 FIXME("\tDepth attachment: (%p) %s %ux%u\n",
344 attachment, debug_d3dformat(attachment->resource.format_desc->id),
345 attachment->pow2Width, attachment->pow2Height);
346 }
347 }
348 }
349
350 static struct fbo_entry *context_create_fbo_entry(struct wined3d_context *context,
351 IWineD3DSurfaceImpl **render_targets, IWineD3DSurfaceImpl *depth_stencil, DWORD location)
352 {
353 const struct wined3d_gl_info *gl_info = context->gl_info;
354 struct fbo_entry *entry;
355
356 entry = HeapAlloc(GetProcessHeap(), 0, sizeof(*entry));
357 entry->render_targets = HeapAlloc(GetProcessHeap(), 0, gl_info->limits.buffers * sizeof(*entry->render_targets));
358 memcpy(entry->render_targets, render_targets, gl_info->limits.buffers * sizeof(*entry->render_targets));
359 entry->depth_stencil = depth_stencil;
360 entry->location = location;
361 entry->attached = FALSE;
362 entry->id = 0;
363
364 return entry;
365 }
366
367 /* GL locking is done by the caller */
368 static void context_reuse_fbo_entry(struct wined3d_context *context, GLenum target,
369 IWineD3DSurfaceImpl **render_targets, IWineD3DSurfaceImpl *depth_stencil,
370 DWORD location, struct fbo_entry *entry)
371 {
372 const struct wined3d_gl_info *gl_info = context->gl_info;
373
374 context_bind_fbo(context, target, &entry->id);
375 context_clean_fbo_attachments(gl_info, target);
376
377 memcpy(entry->render_targets, render_targets, gl_info->limits.buffers * sizeof(*entry->render_targets));
378 entry->depth_stencil = depth_stencil;
379 entry->location = location;
380 entry->attached = FALSE;
381 }
382
383 /* GL locking is done by the caller */
384 static void context_destroy_fbo_entry(struct wined3d_context *context, struct fbo_entry *entry)
385 {
386 if (entry->id)
387 {
388 TRACE("Destroy FBO %d\n", entry->id);
389 context_destroy_fbo(context, &entry->id);
390 }
391 --context->fbo_entry_count;
392 list_remove(&entry->entry);
393 HeapFree(GetProcessHeap(), 0, entry->render_targets);
394 HeapFree(GetProcessHeap(), 0, entry);
395 }
396
397
398 /* GL locking is done by the caller */
399 static struct fbo_entry *context_find_fbo_entry(struct wined3d_context *context, GLenum target,
400 IWineD3DSurfaceImpl **render_targets, IWineD3DSurfaceImpl *depth_stencil, DWORD location)
401 {
402 const struct wined3d_gl_info *gl_info = context->gl_info;
403 struct fbo_entry *entry;
404
405 LIST_FOR_EACH_ENTRY(entry, &context->fbo_list, struct fbo_entry, entry)
406 {
407 if (!memcmp(entry->render_targets,
408 render_targets, gl_info->limits.buffers * sizeof(*entry->render_targets))
409 && entry->depth_stencil == depth_stencil && entry->location == location)
410 {
411 list_remove(&entry->entry);
412 list_add_head(&context->fbo_list, &entry->entry);
413 return entry;
414 }
415 }
416
417 if (context->fbo_entry_count < WINED3D_MAX_FBO_ENTRIES)
418 {
419 entry = context_create_fbo_entry(context, render_targets, depth_stencil, location);
420 list_add_head(&context->fbo_list, &entry->entry);
421 ++context->fbo_entry_count;
422 }
423 else
424 {
425 entry = LIST_ENTRY(list_tail(&context->fbo_list), struct fbo_entry, entry);
426 context_reuse_fbo_entry(context, target, render_targets, depth_stencil, location, entry);
427 list_remove(&entry->entry);
428 list_add_head(&context->fbo_list, &entry->entry);
429 }
430
431 return entry;
432 }
433
434 /* GL locking is done by the caller */
435 static void context_apply_fbo_entry(struct wined3d_context *context, GLenum target, struct fbo_entry *entry)
436 {
437 const struct wined3d_gl_info *gl_info = context->gl_info;
438 unsigned int i;
439
440 context_bind_fbo(context, target, &entry->id);
441
442 if (!entry->attached)
443 {
444 /* Apply render targets */
445 for (i = 0; i < gl_info->limits.buffers; ++i)
446 {
447 context_attach_surface_fbo(context, target, i, entry->render_targets[i], entry->location);
448 }
449
450 /* Apply depth targets */
451 if (entry->depth_stencil)
452 {
453 surface_set_compatible_renderbuffer(entry->depth_stencil,
454 entry->render_targets[0]->pow2Width, entry->render_targets[0]->pow2Height);
455 }
456 context_attach_depth_stencil_fbo(context, target, entry->depth_stencil, TRUE);
457
458 entry->attached = TRUE;
459 }
460 else
461 {
462 for (i = 0; i < gl_info->limits.buffers; ++i)
463 {
464 if (entry->render_targets[i])
465 context_apply_attachment_filter_states(entry->render_targets[i], entry->location);
466 }
467 if (entry->depth_stencil)
468 context_apply_attachment_filter_states(entry->depth_stencil, SFLAG_INTEXTURE);
469 }
470 }
471
472 /* GL locking is done by the caller */
473 static void context_apply_fbo_state(struct wined3d_context *context, GLenum target,
474 IWineD3DSurfaceImpl **render_targets, IWineD3DSurfaceImpl *depth_stencil, DWORD location)
475 {
476 struct fbo_entry *entry, *entry2;
477
478 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_destroy_list, struct fbo_entry, entry)
479 {
480 context_destroy_fbo_entry(context, entry);
481 }
482
483 if (context->rebind_fbo)
484 {
485 context_bind_fbo(context, GL_FRAMEBUFFER, NULL);
486 context->rebind_fbo = FALSE;
487 }
488
489 if (render_targets)
490 {
491 context->current_fbo = context_find_fbo_entry(context, target, render_targets, depth_stencil, location);
492 context_apply_fbo_entry(context, target, context->current_fbo);
493 }
494 else
495 {
496 context->current_fbo = NULL;
497 context_bind_fbo(context, target, NULL);
498 }
499
500 context_check_fbo_status(context, target);
501 }
502
503 /* GL locking is done by the caller */
504 void context_apply_fbo_state_blit(struct wined3d_context *context, GLenum target,
505 IWineD3DSurfaceImpl *render_target, IWineD3DSurfaceImpl *depth_stencil, DWORD location)
506 {
507 if (surface_is_offscreen(render_target))
508 {
509 UINT clear_size = (context->gl_info->limits.buffers - 1) * sizeof(*context->blit_targets);
510 context->blit_targets[0] = render_target;
511 if (clear_size) memset(&context->blit_targets[1], 0, clear_size);
512 context_apply_fbo_state(context, target, context->blit_targets, depth_stencil, location);
513 }
514 else
515 {
516 context_apply_fbo_state(context, target, NULL, NULL, location);
517 }
518 }
519
520 /* Context activation is done by the caller. */
521 void context_alloc_occlusion_query(struct wined3d_context *context, struct wined3d_occlusion_query *query)
522 {
523 const struct wined3d_gl_info *gl_info = context->gl_info;
524
525 if (context->free_occlusion_query_count)
526 {
527 query->id = context->free_occlusion_queries[--context->free_occlusion_query_count];
528 }
529 else
530 {
531 if (gl_info->supported[ARB_OCCLUSION_QUERY])
532 {
533 ENTER_GL();
534 GL_EXTCALL(glGenQueriesARB(1, &query->id));
535 checkGLcall("glGenQueriesARB");
536 LEAVE_GL();
537
538 TRACE("Allocated occlusion query %u in context %p.\n", query->id, context);
539 }
540 else
541 {
542 WARN("Occlusion queries not supported, not allocating query id.\n");
543 query->id = 0;
544 }
545 }
546
547 query->context = context;
548 list_add_head(&context->occlusion_queries, &query->entry);
549 }
550
551 void context_free_occlusion_query(struct wined3d_occlusion_query *query)
552 {
553 struct wined3d_context *context = query->context;
554
555 list_remove(&query->entry);
556 query->context = NULL;
557
558 if (context->free_occlusion_query_count >= context->free_occlusion_query_size - 1)
559 {
560 UINT new_size = context->free_occlusion_query_size << 1;
561 GLuint *new_data = HeapReAlloc(GetProcessHeap(), 0, context->free_occlusion_queries,
562 new_size * sizeof(*context->free_occlusion_queries));
563
564 if (!new_data)
565 {
566 ERR("Failed to grow free list, leaking query %u in context %p.\n", query->id, context);
567 return;
568 }
569
570 context->free_occlusion_query_size = new_size;
571 context->free_occlusion_queries = new_data;
572 }
573
574 context->free_occlusion_queries[context->free_occlusion_query_count++] = query->id;
575 }
576
577 /* Context activation is done by the caller. */
578 void context_alloc_event_query(struct wined3d_context *context, struct wined3d_event_query *query)
579 {
580 const struct wined3d_gl_info *gl_info = context->gl_info;
581
582 if (context->free_event_query_count)
583 {
584 query->object = context->free_event_queries[--context->free_event_query_count];
585 }
586 else
587 {
588 if (gl_info->supported[ARB_SYNC])
589 {
590 /* Using ARB_sync, not much to do here. */
591 query->object.sync = NULL;
592 TRACE("Allocated event query %p in context %p.\n", query->object.sync, context);
593 }
594 else if (gl_info->supported[APPLE_FENCE])
595 {
596 ENTER_GL();
597 GL_EXTCALL(glGenFencesAPPLE(1, &query->object.id));
598 checkGLcall("glGenFencesAPPLE");
599 LEAVE_GL();
600
601 TRACE("Allocated event query %u in context %p.\n", query->object.id, context);
602 }
603 else if(gl_info->supported[NV_FENCE])
604 {
605 ENTER_GL();
606 GL_EXTCALL(glGenFencesNV(1, &query->object.id));
607 checkGLcall("glGenFencesNV");
608 LEAVE_GL();
609
610 TRACE("Allocated event query %u in context %p.\n", query->object.id, context);
611 }
612 else
613 {
614 WARN("Event queries not supported, not allocating query id.\n");
615 query->object.id = 0;
616 }
617 }
618
619 query->context = context;
620 list_add_head(&context->event_queries, &query->entry);
621 }
622
623 void context_free_event_query(struct wined3d_event_query *query)
624 {
625 struct wined3d_context *context = query->context;
626
627 list_remove(&query->entry);
628 query->context = NULL;
629
630 if (context->free_event_query_count >= context->free_event_query_size - 1)
631 {
632 UINT new_size = context->free_event_query_size << 1;
633 union wined3d_gl_query_object *new_data = HeapReAlloc(GetProcessHeap(), 0, context->free_event_queries,
634 new_size * sizeof(*context->free_event_queries));
635
636 if (!new_data)
637 {
638 ERR("Failed to grow free list, leaking query %u in context %p.\n", query->object.id, context);
639 return;
640 }
641
642 context->free_event_query_size = new_size;
643 context->free_event_queries = new_data;
644 }
645
646 context->free_event_queries[context->free_event_query_count++] = query->object;
647 }
648
649 typedef void (context_fbo_entry_func_t)(struct wined3d_context *context, struct fbo_entry *entry);
650
651 static void context_enum_surface_fbo_entries(IWineD3DDeviceImpl *device,
652 IWineD3DSurfaceImpl *surface, context_fbo_entry_func_t *callback)
653 {
654 UINT i;
655
656 for (i = 0; i < device->numContexts; ++i)
657 {
658 struct wined3d_context *context = device->contexts[i];
659 const struct wined3d_gl_info *gl_info = context->gl_info;
660 struct fbo_entry *entry, *entry2;
661
662 if (context->current_rt == surface) context->current_rt = NULL;
663
664 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_list, struct fbo_entry, entry)
665 {
666 UINT j;
667
668 if (entry->depth_stencil == surface)
669 {
670 callback(context, entry);
671 continue;
672 }
673
674 for (j = 0; j < gl_info->limits.buffers; ++j)
675 {
676 if (entry->render_targets[j] == surface)
677 {
678 callback(context, entry);
679 break;
680 }
681 }
682 }
683 }
684 }
685
686 static void context_queue_fbo_entry_destruction(struct wined3d_context *context, struct fbo_entry *entry)
687 {
688 list_remove(&entry->entry);
689 list_add_head(&context->fbo_destroy_list, &entry->entry);
690 }
691
692 void context_resource_released(IWineD3DDeviceImpl *device, IWineD3DResource *resource, WINED3DRESOURCETYPE type)
693 {
694 if (!device->d3d_initialized) return;
695
696 switch (type)
697 {
698 case WINED3DRTYPE_SURFACE:
699 context_enum_surface_fbo_entries(device, (IWineD3DSurfaceImpl *)resource,
700 context_queue_fbo_entry_destruction);
701 break;
702
703 default:
704 break;
705 }
706 }
707
708 static void context_detach_fbo_entry(struct wined3d_context *context, struct fbo_entry *entry)
709 {
710 entry->attached = FALSE;
711 }
712
713 void context_resource_unloaded(IWineD3DDeviceImpl *device, IWineD3DResource *resource, WINED3DRESOURCETYPE type)
714 {
715 switch (type)
716 {
717 case WINED3DRTYPE_SURFACE:
718 context_enum_surface_fbo_entries(device, (IWineD3DSurfaceImpl *)resource,
719 context_detach_fbo_entry);
720 break;
721
722 default:
723 break;
724 }
725 }
726
727 void context_surface_update(struct wined3d_context *context, IWineD3DSurfaceImpl *surface)
728 {
729 const struct wined3d_gl_info *gl_info = context->gl_info;
730 struct fbo_entry *entry = context->current_fbo;
731 unsigned int i;
732
733 if (!entry || context->rebind_fbo) return;
734
735 for (i = 0; i < gl_info->limits.buffers; ++i)
736 {
737 if (surface == entry->render_targets[i])
738 {
739 TRACE("Updated surface %p is bound as color attachment %u to the current FBO.\n", surface, i);
740 context->rebind_fbo = TRUE;
741 return;
742 }
743 }
744
745 if (surface == entry->depth_stencil)
746 {
747 TRACE("Updated surface %p is bound as depth attachment to the current FBO.\n", surface);
748 context->rebind_fbo = TRUE;
749 }
750 }
751
752 static BOOL context_set_pixel_format(const struct wined3d_gl_info *gl_info, HDC dc, int format)
753 {
754 int current = GetPixelFormat(dc);
755
756 if (current == format) return TRUE;
757
758 if (!current)
759 {
760 if (!SetPixelFormat(dc, format, NULL))
761 {
762 ERR("Failed to set pixel format %d on device context %p, last error %#x.\n",
763 format, dc, GetLastError());
764 return FALSE;
765 }
766 return TRUE;
767 }
768
769 /* By default WGL doesn't allow pixel format adjustments but we need it
770 * here. For this reason there's a Wine specific wglSetPixelFormat()
771 * which allows us to set the pixel format multiple times. Only use it
772 * when really needed. */
773 if (gl_info->supported[WGL_WINE_PIXEL_FORMAT_PASSTHROUGH])
774 {
775 if (!GL_EXTCALL(wglSetPixelFormatWINE(dc, format, NULL)))
776 {
777 ERR("wglSetPixelFormatWINE failed to set pixel format %d on device context %p.\n",
778 format, dc);
779 return FALSE;
780 }
781 return TRUE;
782 }
783
784 /* OpenGL doesn't allow pixel format adjustments. Print an error and
785 * continue using the old format. There's a big chance that the old
786 * format works although with a performance hit and perhaps rendering
787 * errors. */
788 ERR("Unable to set pixel format %d on device context %p. Already using format %d.\n",
789 format, dc, current);
790 return TRUE;
791 }
792
793 static void context_update_window(struct wined3d_context *context)
794 {
795 TRACE("Updating context %p window from %p to %p.\n",
796 context, context->win_handle, context->swapchain->win_handle);
797
798 if (context->valid)
799 {
800 if (!ReleaseDC(context->win_handle, context->hdc))
801 {
802 ERR("Failed to release device context %p, last error %#x.\n",
803 context->hdc, GetLastError());
804 }
805 }
806 else context->valid = 1;
807
808 context->win_handle = context->swapchain->win_handle;
809
810 if (!(context->hdc = GetDC(context->win_handle)))
811 {
812 ERR("Failed to get a device context for window %p.\n", context->win_handle);
813 goto err;
814 }
815
816 if (!context_set_pixel_format(context->gl_info, context->hdc, context->pixel_format))
817 {
818 ERR("Failed to set pixel format %d on device context %p.\n",
819 context->pixel_format, context->hdc);
820 goto err;
821 }
822
823 if (!pwglMakeCurrent(context->hdc, context->glCtx))
824 {
825 ERR("Failed to make GL context %p current on device context %p, last error %#x.\n",
826 context->glCtx, context->hdc, GetLastError());
827 goto err;
828 }
829
830 return;
831
832 err:
833 context->valid = 0;
834 }
835
836 static void context_validate(struct wined3d_context *context)
837 {
838 HWND wnd = WindowFromDC(context->hdc);
839
840 if (wnd != context->win_handle)
841 {
842 WARN("DC %p belongs to window %p instead of %p.\n",
843 context->hdc, wnd, context->win_handle);
844 context->valid = 0;
845 }
846
847 if (context->win_handle != context->swapchain->win_handle)
848 context_update_window(context);
849 }
850
851 static void context_destroy_gl_resources(struct wined3d_context *context)
852 {
853 const struct wined3d_gl_info *gl_info = context->gl_info;
854 struct wined3d_occlusion_query *occlusion_query;
855 struct wined3d_event_query *event_query;
856 struct fbo_entry *entry, *entry2;
857 HGLRC restore_ctx;
858 HDC restore_dc;
859 unsigned int i;
860
861 restore_ctx = pwglGetCurrentContext();
862 restore_dc = pwglGetCurrentDC();
863
864 context_validate(context);
865 if (context->valid && restore_ctx != context->glCtx) pwglMakeCurrent(context->hdc, context->glCtx);
866 else restore_ctx = NULL;
867
868 ENTER_GL();
869
870 LIST_FOR_EACH_ENTRY(occlusion_query, &context->occlusion_queries, struct wined3d_occlusion_query, entry)
871 {
872 if (context->valid && gl_info->supported[ARB_OCCLUSION_QUERY])
873 GL_EXTCALL(glDeleteQueriesARB(1, &occlusion_query->id));
874 occlusion_query->context = NULL;
875 }
876
877 LIST_FOR_EACH_ENTRY(event_query, &context->event_queries, struct wined3d_event_query, entry)
878 {
879 if (context->valid)
880 {
881 if (gl_info->supported[ARB_SYNC])
882 {
883 if (event_query->object.sync) GL_EXTCALL(glDeleteSync(event_query->object.sync));
884 }
885 else if (gl_info->supported[APPLE_FENCE]) GL_EXTCALL(glDeleteFencesAPPLE(1, &event_query->object.id));
886 else if (gl_info->supported[NV_FENCE]) GL_EXTCALL(glDeleteFencesNV(1, &event_query->object.id));
887 }
888 event_query->context = NULL;
889 }
890
891 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_destroy_list, struct fbo_entry, entry)
892 {
893 if (!context->valid) entry->id = 0;
894 context_destroy_fbo_entry(context, entry);
895 }
896
897 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_list, struct fbo_entry, entry)
898 {
899 if (!context->valid) entry->id = 0;
900 context_destroy_fbo_entry(context, entry);
901 }
902
903 if (context->valid)
904 {
905 if (context->dst_fbo)
906 {
907 TRACE("Destroy dst FBO %d\n", context->dst_fbo);
908 context_destroy_fbo(context, &context->dst_fbo);
909 }
910 if (context->dummy_arbfp_prog)
911 {
912 GL_EXTCALL(glDeleteProgramsARB(1, &context->dummy_arbfp_prog));
913 }
914
915 if (gl_info->supported[ARB_OCCLUSION_QUERY])
916 GL_EXTCALL(glDeleteQueriesARB(context->free_occlusion_query_count, context->free_occlusion_queries));
917
918 if (gl_info->supported[ARB_SYNC])
919 {
920 if (event_query->object.sync) GL_EXTCALL(glDeleteSync(event_query->object.sync));
921 }
922 else if (gl_info->supported[APPLE_FENCE])
923 {
924 for (i = 0; i < context->free_event_query_count; ++i)
925 {
926 GL_EXTCALL(glDeleteFencesAPPLE(1, &context->free_event_queries[i].id));
927 }
928 }
929 else if (gl_info->supported[NV_FENCE])
930 {
931 for (i = 0; i < context->free_event_query_count; ++i)
932 {
933 GL_EXTCALL(glDeleteFencesNV(1, &context->free_event_queries[i].id));
934 }
935 }
936
937 checkGLcall("context cleanup");
938 }
939
940 LEAVE_GL();
941
942 HeapFree(GetProcessHeap(), 0, context->free_occlusion_queries);
943 HeapFree(GetProcessHeap(), 0, context->free_event_queries);
944
945 if (restore_ctx)
946 {
947 if (!pwglMakeCurrent(restore_dc, restore_ctx))
948 {
949 DWORD err = GetLastError();
950 ERR("Failed to restore GL context %p on device context %p, last error %#x.\n",
951 restore_ctx, restore_dc, err);
952 }
953 }
954 else if (pwglGetCurrentContext() && !pwglMakeCurrent(NULL, NULL))
955 {
956 ERR("Failed to disable GL context.\n");
957 }
958
959 ReleaseDC(context->win_handle, context->hdc);
960
961 if (!pwglDeleteContext(context->glCtx))
962 {
963 DWORD err = GetLastError();
964 ERR("wglDeleteContext(%p) failed, last error %#x.\n", context->glCtx, err);
965 }
966 }
967
968 DWORD context_get_tls_idx(void)
969 {
970 return wined3d_context_tls_idx;
971 }
972
973 void context_set_tls_idx(DWORD idx)
974 {
975 wined3d_context_tls_idx = idx;
976 }
977
978 struct wined3d_context *context_get_current(void)
979 {
980 return TlsGetValue(wined3d_context_tls_idx);
981 }
982
983 BOOL context_set_current(struct wined3d_context *ctx)
984 {
985 struct wined3d_context *old = context_get_current();
986
987 if (old == ctx)
988 {
989 TRACE("Already using D3D context %p.\n", ctx);
990 return TRUE;
991 }
992
993 if (old)
994 {
995 if (old->destroyed)
996 {
997 TRACE("Switching away from destroyed context %p.\n", old);
998 context_destroy_gl_resources(old);
999 HeapFree(GetProcessHeap(), 0, old);
1000 }
1001 else
1002 {
1003 old->current = 0;
1004 }
1005 }
1006
1007 if (ctx)
1008 {
1009 TRACE("Switching to D3D context %p, GL context %p, device context %p.\n", ctx, ctx->glCtx, ctx->hdc);
1010 if (!pwglMakeCurrent(ctx->hdc, ctx->glCtx))
1011 {
1012 DWORD err = GetLastError();
1013 ERR("Failed to make GL context %p current on device context %p, last error %#x.\n",
1014 ctx->glCtx, ctx->hdc, err);
1015 TlsSetValue(wined3d_context_tls_idx, NULL);
1016 return FALSE;
1017 }
1018 ctx->current = 1;
1019 }
1020 else if(pwglGetCurrentContext())
1021 {
1022 TRACE("Clearing current D3D context.\n");
1023 if (!pwglMakeCurrent(NULL, NULL))
1024 {
1025 DWORD err = GetLastError();
1026 ERR("Failed to clear current GL context, last error %#x.\n", err);
1027 TlsSetValue(wined3d_context_tls_idx, NULL);
1028 return FALSE;
1029 }
1030 }
1031
1032 return TlsSetValue(wined3d_context_tls_idx, ctx);
1033 }
1034
1035 void context_release(struct wined3d_context *context)
1036 {
1037 TRACE("Releasing context %p, level %u.\n", context, context->level);
1038
1039 if (WARN_ON(d3d))
1040 {
1041 if (!context->level)
1042 WARN("Context %p is not active.\n", context);
1043 else if (context != context_get_current())
1044 WARN("Context %p is not the current context.\n", context);
1045 }
1046
1047 if (!--context->level && context->restore_ctx)
1048 {
1049 TRACE("Restoring GL context %p on device context %p.\n", context->restore_ctx, context->restore_dc);
1050 if (!pwglMakeCurrent(context->restore_dc, context->restore_ctx))
1051 {
1052 DWORD err = GetLastError();
1053 ERR("Failed to restore GL context %p on device context %p, last error %#x.\n",
1054 context->restore_ctx, context->restore_dc, err);
1055 }
1056 context->restore_ctx = NULL;
1057 context->restore_dc = NULL;
1058 }
1059 }
1060
1061 static void context_enter(struct wined3d_context *context)
1062 {
1063 TRACE("Entering context %p, level %u.\n", context, context->level + 1);
1064
1065 if (!context->level++)
1066 {
1067 const struct wined3d_context *current_context = context_get_current();
1068 HGLRC current_gl = pwglGetCurrentContext();
1069
1070 if (current_gl && (!current_context || current_context->glCtx != current_gl))
1071 {
1072 TRACE("Another GL context (%p on device context %p) is already current.\n",
1073 current_gl, pwglGetCurrentDC());
1074 context->restore_ctx = current_gl;
1075 context->restore_dc = pwglGetCurrentDC();
1076 }
1077 }
1078 }
1079
1080 /*****************************************************************************
1081 * Context_MarkStateDirty
1082 *
1083 * Marks a state in a context dirty. Only one context, opposed to
1084 * IWineD3DDeviceImpl_MarkStateDirty, which marks the state dirty in all
1085 * contexts
1086 *
1087 * Params:
1088 * context: Context to mark the state dirty in
1089 * state: State to mark dirty
1090 * StateTable: Pointer to the state table in use(for state grouping)
1091 *
1092 *****************************************************************************/
1093 static void Context_MarkStateDirty(struct wined3d_context *context, DWORD state, const struct StateEntry *StateTable)
1094 {
1095 DWORD rep = StateTable[state].representative;
1096 DWORD idx;
1097 BYTE shift;
1098
1099 if (isStateDirty(context, rep)) return;
1100
1101 context->dirtyArray[context->numDirtyEntries++] = rep;
1102 idx = rep / (sizeof(*context->isStateDirty) * CHAR_BIT);
1103 shift = rep & ((sizeof(*context->isStateDirty) * CHAR_BIT) - 1);
1104 context->isStateDirty[idx] |= (1 << shift);
1105 }
1106
1107 /* This function takes care of WineD3D pixel format selection. */
1108 static int WineD3D_ChoosePixelFormat(IWineD3DDeviceImpl *This, HDC hdc,
1109 const struct wined3d_format_desc *color_format_desc, const struct wined3d_format_desc *ds_format_desc,
1110 BOOL auxBuffers, int numSamples, BOOL findCompatible)
1111 {
1112 int iPixelFormat=0;
1113 unsigned int matchtry;
1114 short redBits, greenBits, blueBits, alphaBits, colorBits;
1115 short depthBits=0, stencilBits=0;
1116
1117 static const struct
1118 {
1119 BOOL require_aux;
1120 BOOL exact_alpha;
1121 BOOL exact_color;
1122 }
1123 matches[] =
1124 {
1125 /* First, try without alpha match buffers. MacOS supports aux buffers only
1126 * on A8R8G8B8, and we prefer better offscreen rendering over an alpha match.
1127 * Then try without aux buffers - this is the most common cause for not
1128 * finding a pixel format. Also some drivers(the open source ones)
1129 * only offer 32 bit ARB pixel formats. First try without an exact alpha
1130 * match, then try without an exact alpha and color match.
1131 */
1132 { TRUE, TRUE, TRUE },
1133 { TRUE, FALSE, TRUE },
1134 { FALSE, TRUE, TRUE },
1135 { FALSE, FALSE, TRUE },
1136 { TRUE, FALSE, FALSE },
1137 { FALSE, FALSE, FALSE },
1138 };
1139
1140 int i = 0;
1141 int nCfgs = This->adapter->nCfgs;
1142
1143 TRACE("ColorFormat=%s, DepthStencilFormat=%s, auxBuffers=%d, numSamples=%d, findCompatible=%d\n",
1144 debug_d3dformat(color_format_desc->id), debug_d3dformat(ds_format_desc->id),
1145 auxBuffers, numSamples, findCompatible);
1146
1147 if (!getColorBits(color_format_desc, &redBits, &greenBits, &blueBits, &alphaBits, &colorBits))
1148 {
1149 ERR("Unable to get color bits for format %s (%#x)!\n",
1150 debug_d3dformat(color_format_desc->id), color_format_desc->id);
1151 return 0;
1152 }
1153
1154 getDepthStencilBits(ds_format_desc, &depthBits, &stencilBits);
1155
1156 for(matchtry = 0; matchtry < (sizeof(matches) / sizeof(matches[0])) && !iPixelFormat; matchtry++) {
1157 for(i=0; i<nCfgs; i++) {
1158 BOOL exactDepthMatch = TRUE;
1159 WineD3D_PixelFormat *cfg = &This->adapter->cfgs[i];
1160
1161 /* For now only accept RGBA formats. Perhaps some day we will
1162 * allow floating point formats for pbuffers. */
1163 if(cfg->iPixelType != WGL_TYPE_RGBA_ARB)
1164 continue;
1165
1166 /* In window mode we need a window drawable format and double buffering. */
1167 if(!(cfg->windowDrawable && cfg->doubleBuffer))
1168 continue;
1169
1170 /* We like to have aux buffers in backbuffer mode */
1171 if(auxBuffers && !cfg->auxBuffers && matches[matchtry].require_aux)
1172 continue;
1173
1174 if(matches[matchtry].exact_color) {
1175 if(cfg->redSize != redBits)
1176 continue;
1177 if(cfg->greenSize != greenBits)
1178 continue;
1179 if(cfg->blueSize != blueBits)
1180 continue;
1181 } else {
1182 if(cfg->redSize < redBits)
1183 continue;
1184 if(cfg->greenSize < greenBits)
1185 continue;
1186 if(cfg->blueSize < blueBits)
1187 continue;
1188 }
1189 if(matches[matchtry].exact_alpha) {
1190 if(cfg->alphaSize != alphaBits)
1191 continue;
1192 } else {
1193 if(cfg->alphaSize < alphaBits)
1194 continue;
1195 }
1196
1197 /* We try to locate a format which matches our requirements exactly. In case of
1198 * depth it is no problem to emulate 16-bit using e.g. 24-bit, so accept that. */
1199 if(cfg->depthSize < depthBits)
1200 continue;
1201 else if(cfg->depthSize > depthBits)
1202 exactDepthMatch = FALSE;
1203
1204 /* In all cases make sure the number of stencil bits matches our requirements
1205 * even when we don't need stencil because it could affect performance EXCEPT
1206 * on cards which don't offer depth formats without stencil like the i915 drivers
1207 * on Linux. */
1208 if(stencilBits != cfg->stencilSize && !(This->adapter->brokenStencil && stencilBits <= cfg->stencilSize))
1209 continue;
1210
1211 /* Check multisampling support */
1212 if(cfg->numSamples != numSamples)
1213 continue;
1214
1215 /* When we have passed all the checks then we have found a format which matches our
1216 * requirements. Note that we only check for a limit number of capabilities right now,
1217 * so there can easily be a dozen of pixel formats which appear to be the 'same' but
1218 * can still differ in things like multisampling, stereo, SRGB and other flags.
1219 */
1220
1221 /* Exit the loop as we have found a format :) */
1222 if(exactDepthMatch) {
1223 iPixelFormat = cfg->iPixelFormat;
1224 break;
1225 } else if(!iPixelFormat) {
1226 /* In the end we might end up with a format which doesn't exactly match our depth
1227 * requirements. Accept the first format we found because formats with higher iPixelFormat
1228 * values tend to have more extended capabilities (e.g. multisampling) which we don't need. */
1229 iPixelFormat = cfg->iPixelFormat;
1230 }
1231 }
1232 }
1233
1234 /* When findCompatible is set and no suitable format was found, let ChoosePixelFormat choose a pixel format in order not to crash. */
1235 if(!iPixelFormat && !findCompatible) {
1236 ERR("Can't find a suitable iPixelFormat\n");
1237 return FALSE;
1238 } else if(!iPixelFormat) {
1239 PIXELFORMATDESCRIPTOR pfd;
1240
1241 TRACE("Falling back to ChoosePixelFormat as we weren't able to find an exactly matching pixel format\n");
1242 /* PixelFormat selection */
1243 ZeroMemory(&pfd, sizeof(pfd));
1244 pfd.nSize = sizeof(pfd);
1245 pfd.nVersion = 1;
1246 pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER | PFD_DRAW_TO_WINDOW;/*PFD_GENERIC_ACCELERATED*/
1247 pfd.iPixelType = PFD_TYPE_RGBA;
1248 pfd.cAlphaBits = alphaBits;
1249 pfd.cColorBits = colorBits;
1250 pfd.cDepthBits = depthBits;
1251 pfd.cStencilBits = stencilBits;
1252 pfd.iLayerType = PFD_MAIN_PLANE;
1253
1254 iPixelFormat = ChoosePixelFormat(hdc, &pfd);
1255 if(!iPixelFormat) {
1256 /* If this happens something is very wrong as ChoosePixelFormat barely fails */
1257 ERR("Can't find a suitable iPixelFormat\n");
1258 return FALSE;
1259 }
1260 }
1261
1262 TRACE("Found iPixelFormat=%d for ColorFormat=%s, DepthStencilFormat=%s\n",
1263 iPixelFormat, debug_d3dformat(color_format_desc->id), debug_d3dformat(ds_format_desc->id));
1264 return iPixelFormat;
1265 }
1266
1267 /*****************************************************************************
1268 * context_create
1269 *
1270 * Creates a new context.
1271 *
1272 * * Params:
1273 * This: Device to activate the context for
1274 * target: Surface this context will render to
1275 * win_handle: handle to the window which we are drawing to
1276 * pPresentParameters: contains the pixelformats to use for onscreen rendering
1277 *
1278 *****************************************************************************/
1279 struct wined3d_context *context_create(IWineD3DSwapChainImpl *swapchain, IWineD3DSurfaceImpl *target,
1280 const struct wined3d_format_desc *ds_format_desc)
1281 {
1282 IWineD3DDeviceImpl *device = swapchain->device;
1283 const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
1284 const struct wined3d_format_desc *color_format_desc;
1285 struct wined3d_context *ret;
1286 PIXELFORMATDESCRIPTOR pfd;
1287 BOOL auxBuffers = FALSE;
1288 int numSamples = 0;
1289 int pixel_format;
1290 unsigned int s;
1291 DWORD state;
1292 HGLRC ctx;
1293 HDC hdc;
1294
1295 TRACE("swapchain %p, target %p, window %p.\n", swapchain, target, swapchain->win_handle);
1296
1297 ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret));
1298 if (!ret)
1299 {
1300 ERR("Failed to allocate context memory.\n");
1301 return NULL;
1302 }
1303
1304 if (!(hdc = GetDC(swapchain->win_handle)))
1305 {
1306 ERR("Failed to retrieve a device context.\n");
1307 goto out;
1308 }
1309
1310 color_format_desc = target->resource.format_desc;
1311
1312 /* In case of ORM_BACKBUFFER, make sure to request an alpha component for
1313 * X4R4G4B4/X8R8G8B8 as we might need it for the backbuffer. */
1314 if (wined3d_settings.offscreen_rendering_mode == ORM_BACKBUFFER)
1315 {
1316 auxBuffers = TRUE;
1317
1318 if (color_format_desc->id == WINED3DFMT_B4G4R4X4_UNORM)
1319 color_format_desc = getFormatDescEntry(WINED3DFMT_B4G4R4A4_UNORM, gl_info);
1320 else if (color_format_desc->id == WINED3DFMT_B8G8R8X8_UNORM)
1321 color_format_desc = getFormatDescEntry(WINED3DFMT_B8G8R8A8_UNORM, gl_info);
1322 }
1323
1324 /* DirectDraw supports 8bit paletted render targets and these are used by
1325 * old games like Starcraft and C&C. Most modern hardware doesn't support
1326 * 8bit natively so we perform some form of 8bit -> 32bit conversion. The
1327 * conversion (ab)uses the alpha component for storing the palette index.
1328 * For this reason we require a format with 8bit alpha, so request
1329 * A8R8G8B8. */
1330 if (color_format_desc->id == WINED3DFMT_P8_UINT)
1331 color_format_desc = getFormatDescEntry(WINED3DFMT_B8G8R8A8_UNORM, gl_info);
1332
1333 /* D3D only allows multisampling when SwapEffect is set to WINED3DSWAPEFFECT_DISCARD. */
1334 if (swapchain->presentParms.MultiSampleType && (swapchain->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD))
1335 {
1336 if (!gl_info->supported[ARB_MULTISAMPLE])
1337 WARN("The application is requesting multisampling without support.\n");
1338 else
1339 {
1340 TRACE("Requesting multisample type %#x.\n", swapchain->presentParms.MultiSampleType);
1341 numSamples = swapchain->presentParms.MultiSampleType;
1342 }
1343 }
1344
1345 /* Try to find a pixel format which matches our requirements. */
1346 pixel_format = WineD3D_ChoosePixelFormat(device, hdc, color_format_desc, ds_format_desc,
1347 auxBuffers, numSamples, FALSE /* findCompatible */);
1348
1349 /* Try to locate a compatible format if we weren't able to find anything. */
1350 if (!pixel_format)
1351 {
1352 TRACE("Trying to locate a compatible pixel format because an exact match failed.\n");
1353 pixel_format = WineD3D_ChoosePixelFormat(device, hdc, color_format_desc, ds_format_desc,
1354 auxBuffers, 0 /* numSamples */, TRUE /* findCompatible */);
1355 }
1356
1357 /* If we still don't have a pixel format, something is very wrong as ChoosePixelFormat barely fails */
1358 if (!pixel_format)
1359 {
1360 ERR("Can't find a suitable pixel format.\n");
1361 goto out;
1362 }
1363
1364 DescribePixelFormat(hdc, pixel_format, sizeof(pfd), &pfd);
1365 if (!context_set_pixel_format(gl_info, hdc, pixel_format))
1366 {
1367 ERR("Failed to set pixel format %d on device context %p.\n", pixel_format, hdc);
1368 goto out;
1369 }
1370
1371 ctx = pwglCreateContext(hdc);
1372 if (device->numContexts)
1373 {
1374 if (!pwglShareLists(device->contexts[0]->glCtx, ctx))
1375 {
1376 DWORD err = GetLastError();
1377 ERR("wglShareLists(%p, %p) failed, last error %#x.\n",
1378 device->contexts[0]->glCtx, ctx, err);
1379 }
1380 }
1381
1382 if(!ctx) {
1383 ERR("Failed to create a WGL context\n");
1384 goto out;
1385 }
1386
1387 if (!device_context_add(device, ret))
1388 {
1389 ERR("Failed to add the newly created context to the context list\n");
1390 if (!pwglDeleteContext(ctx))
1391 {
1392 DWORD err = GetLastError();
1393 ERR("wglDeleteContext(%p) failed, last error %#x.\n", ctx, err);
1394 }
1395 goto out;
1396 }
1397
1398 ret->gl_info = gl_info;
1399
1400 /* Mark all states dirty to force a proper initialization of the states
1401 * on the first use of the context. */
1402 for (state = 0; state <= STATE_HIGHEST; ++state)
1403 {
1404 if (device->StateTable[state].representative)
1405 Context_MarkStateDirty(ret, state, device->StateTable);
1406 }
1407
1408 ret->swapchain = swapchain;
1409 ret->current_rt = target;
1410 ret->tid = GetCurrentThreadId();
1411
1412 ret->render_offscreen = surface_is_offscreen(target);
1413 ret->draw_buffer_dirty = TRUE;
1414 ret->valid = 1;
1415
1416 ret->glCtx = ctx;
1417 ret->win_handle = swapchain->win_handle;
1418 ret->hdc = hdc;
1419 ret->pixel_format = pixel_format;
1420
1421 if (device->shader_backend->shader_dirtifyable_constants((IWineD3DDevice *)device))
1422 {
1423 /* Create the dirty constants array and initialize them to dirty */
1424 ret->vshader_const_dirty = HeapAlloc(GetProcessHeap(), 0,
1425 sizeof(*ret->vshader_const_dirty) * device->d3d_vshader_constantF);
1426 ret->pshader_const_dirty = HeapAlloc(GetProcessHeap(), 0,
1427 sizeof(*ret->pshader_const_dirty) * device->d3d_pshader_constantF);
1428 memset(ret->vshader_const_dirty, 1,
1429 sizeof(*ret->vshader_const_dirty) * device->d3d_vshader_constantF);
1430 memset(ret->pshader_const_dirty, 1,
1431 sizeof(*ret->pshader_const_dirty) * device->d3d_pshader_constantF);
1432 }
1433
1434 ret->blit_targets = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1435 gl_info->limits.buffers * sizeof(*ret->blit_targets));
1436 if (!ret->blit_targets) goto out;
1437
1438 ret->draw_buffers = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1439 gl_info->limits.buffers * sizeof(*ret->draw_buffers));
1440 if (!ret->draw_buffers) goto out;
1441
1442 ret->free_occlusion_query_size = 4;
1443 ret->free_occlusion_queries = HeapAlloc(GetProcessHeap(), 0,
1444 ret->free_occlusion_query_size * sizeof(*ret->free_occlusion_queries));
1445 if (!ret->free_occlusion_queries) goto out;
1446
1447 list_init(&ret->occlusion_queries);
1448
1449 ret->free_event_query_size = 4;
1450 ret->free_event_queries = HeapAlloc(GetProcessHeap(), 0,
1451 ret->free_event_query_size * sizeof(*ret->free_event_queries));
1452 if (!ret->free_event_queries) goto out;
1453
1454 list_init(&ret->event_queries);
1455
1456 TRACE("Successfully created new context %p\n", ret);
1457
1458 list_init(&ret->fbo_list);
1459 list_init(&ret->fbo_destroy_list);
1460
1461 context_enter(ret);
1462
1463 /* Set up the context defaults */
1464 if (!context_set_current(ret))
1465 {
1466 ERR("Cannot activate context to set up defaults\n");
1467 context_release(ret);
1468 goto out;
1469 }
1470
1471 ENTER_GL();
1472
1473 glGetIntegerv(GL_AUX_BUFFERS, &ret->aux_buffers);
1474
1475 TRACE("Setting up the screen\n");
1476 /* Clear the screen */
1477 glClearColor(1.0f, 0.0f, 0.0f, 0.0f);
1478 checkGLcall("glClearColor");
1479 glClearIndex(0);
1480 glClearDepth(1);
1481 glClearStencil(0xffff);
1482
1483 checkGLcall("glClear");
1484
1485 glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
1486 checkGLcall("glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);");
1487
1488 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
1489 checkGLcall("glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);");
1490
1491 glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
1492 checkGLcall("glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);");
1493
1494 glPixelStorei(GL_PACK_ALIGNMENT, device->surface_alignment);
1495 checkGLcall("glPixelStorei(GL_PACK_ALIGNMENT, device->surface_alignment);");
1496 glPixelStorei(GL_UNPACK_ALIGNMENT, device->surface_alignment);
1497 checkGLcall("glPixelStorei(GL_UNPACK_ALIGNMENT, device->surface_alignment);");
1498
1499 if (gl_info->supported[APPLE_CLIENT_STORAGE])
1500 {
1501 /* Most textures will use client storage if supported. Exceptions are non-native power of 2 textures
1502 * and textures in DIB sections(due to the memory protection).
1503 */
1504 glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE);
1505 checkGLcall("glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE)");
1506 }
1507 if (gl_info->supported[ARB_VERTEX_BLEND])
1508 {
1509 /* Direct3D always uses n-1 weights for n world matrices and uses 1 - sum for the last one
1510 * this is equal to GL_WEIGHT_SUM_UNITY_ARB. Enabling it doesn't do anything unless
1511 * GL_VERTEX_BLEND_ARB isn't enabled too
1512 */
1513 glEnable(GL_WEIGHT_SUM_UNITY_ARB);
1514 checkGLcall("glEnable(GL_WEIGHT_SUM_UNITY_ARB)");
1515 }
1516 if (gl_info->supported[NV_TEXTURE_SHADER2])
1517 {
1518 /* Set up the previous texture input for all shader units. This applies to bump mapping, and in d3d
1519 * the previous texture where to source the offset from is always unit - 1.
1520 */
1521 for (s = 1; s < gl_info->limits.textures; ++s)
1522 {
1523 GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + s));
1524 glTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, GL_TEXTURE0_ARB + s - 1);
1525 checkGLcall("glTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, ...");
1526 }
1527 }
1528 if (gl_info->supported[ARB_FRAGMENT_PROGRAM])
1529 {
1530 /* MacOS(radeon X1600 at least, but most likely others too) refuses to draw if GLSL and ARBFP are
1531 * enabled, but the currently bound arbfp program is 0. Enabling ARBFP with prog 0 is invalid, but
1532 * GLSL should bypass this. This causes problems in programs that never use the fixed function pipeline,
1533 * because the ARBFP extension is enabled by the ARBFP pipeline at context creation, but no program
1534 * is ever assigned.
1535 *
1536 * So make sure a program is assigned to each context. The first real ARBFP use will set a different
1537 * program and the dummy program is destroyed when the context is destroyed.
1538 */
1539 const char *dummy_program =
1540 "!!ARBfp1.0\n"
1541 "MOV result.color, fragment.color.primary;\n"
1542 "END\n";
1543 GL_EXTCALL(glGenProgramsARB(1, &ret->dummy_arbfp_prog));
1544 GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, ret->dummy_arbfp_prog));
1545 GL_EXTCALL(glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, strlen(dummy_program), dummy_program));
1546 }
1547
1548 for (s = 0; s < gl_info->limits.point_sprite_units; ++s)
1549 {
1550 GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + s));
1551 glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
1552 checkGLcall("glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE)");
1553 }
1554
1555 if (gl_info->supported[WINED3D_GL_VERSION_2_0])
1556 {
1557 /* Windows doesn't support to query the glPointParameteri function pointer, so use the
1558 * NV_POINT_SPRITE extension.
1559 */
1560 if (glPointParameteri)
1561 {
1562 glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN, GL_UPPER_LEFT);
1563 checkGLcall("glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN, GL_UPPER_LEFT)");
1564 }
1565 else if (gl_info->supported[NV_POINT_SPRITE])
1566 {
1567 GL_EXTCALL(glPointParameteriNV(GL_POINT_SPRITE_COORD_ORIGIN, GL_UPPER_LEFT));
1568 checkGLcall("glPointParameteriNV(GL_POINT_SPRITE_COORD_ORIGIN, GL_UPPER_LEFT)");
1569 }
1570 }
1571
1572 if (gl_info->supported[ARB_PROVOKING_VERTEX])
1573 {
1574 GL_EXTCALL(glProvokingVertex(GL_FIRST_VERTEX_CONVENTION));
1575 }
1576 else if (gl_info->supported[EXT_PROVOKING_VERTEX])
1577 {
1578 GL_EXTCALL(glProvokingVertexEXT(GL_FIRST_VERTEX_CONVENTION_EXT));
1579 }
1580
1581 LEAVE_GL();
1582
1583 device->frag_pipe->enable_extension((IWineD3DDevice *)device, TRUE);
1584
1585 TRACE("Created context %p.\n", ret);
1586
1587 return ret;
1588
1589 out:
1590 HeapFree(GetProcessHeap(), 0, ret->free_event_queries);
1591 HeapFree(GetProcessHeap(), 0, ret->free_occlusion_queries);
1592 HeapFree(GetProcessHeap(), 0, ret->draw_buffers);
1593 HeapFree(GetProcessHeap(), 0, ret->blit_targets);
1594 HeapFree(GetProcessHeap(), 0, ret->pshader_const_dirty);
1595 HeapFree(GetProcessHeap(), 0, ret->vshader_const_dirty);
1596 HeapFree(GetProcessHeap(), 0, ret);
1597 return NULL;
1598 }
1599
1600 /*****************************************************************************
1601 * context_destroy
1602 *
1603 * Destroys a wined3d context
1604 *
1605 * Params:
1606 * This: Device to activate the context for
1607 * context: Context to destroy
1608 *
1609 *****************************************************************************/
1610 void context_destroy(IWineD3DDeviceImpl *This, struct wined3d_context *context)
1611 {
1612 BOOL destroy;
1613
1614 TRACE("Destroying ctx %p\n", context);
1615
1616 if (context->tid == GetCurrentThreadId() || !context->current)
1617 {
1618 context_destroy_gl_resources(context);
1619 TlsSetValue(wined3d_context_tls_idx, NULL);
1620 destroy = TRUE;
1621 }
1622 else
1623 {
1624 context->destroyed = 1;
1625 destroy = FALSE;
1626 }
1627
1628 HeapFree(GetProcessHeap(), 0, context->draw_buffers);
1629 HeapFree(GetProcessHeap(), 0, context->blit_targets);
1630 HeapFree(GetProcessHeap(), 0, context->vshader_const_dirty);
1631 HeapFree(GetProcessHeap(), 0, context->pshader_const_dirty);
1632 device_context_remove(This, context);
1633 if (destroy) HeapFree(GetProcessHeap(), 0, context);
1634 }
1635
1636 /* GL locking is done by the caller */
1637 static inline void set_blit_dimension(UINT width, UINT height) {
1638 glMatrixMode(GL_PROJECTION);
1639 checkGLcall("glMatrixMode(GL_PROJECTION)");
1640 glLoadIdentity();
1641 checkGLcall("glLoadIdentity()");
1642 glOrtho(0, width, height, 0, 0.0, -1.0);
1643 checkGLcall("glOrtho");
1644 glViewport(0, 0, width, height);
1645 checkGLcall("glViewport");
1646 }
1647
1648 /*****************************************************************************
1649 * SetupForBlit
1650 *
1651 * Sets up a context for DirectDraw blitting.
1652 * All texture units are disabled, texture unit 0 is set as current unit
1653 * fog, lighting, blending, alpha test, z test, scissor test, culling disabled
1654 * color writing enabled for all channels
1655 * register combiners disabled, shaders disabled
1656 * world matrix is set to identity, texture matrix 0 too
1657 * projection matrix is setup for drawing screen coordinates
1658 *
1659 * Params:
1660 * This: Device to activate the context for
1661 * context: Context to setup
1662 *
1663 *****************************************************************************/
1664 /* Context activation is done by the caller. */
1665 static void SetupForBlit(IWineD3DDeviceImpl *This, struct wined3d_context *context)
1666 {
1667 int i;
1668 const struct StateEntry *StateTable = This->StateTable;
1669 const struct wined3d_gl_info *gl_info = context->gl_info;
1670 UINT width = context->current_rt->currentDesc.Width;
1671 UINT height = context->current_rt->currentDesc.Height;
1672 DWORD sampler;
1673
1674 TRACE("Setting up context %p for blitting\n", context);
1675 if(context->last_was_blit) {
1676 if(context->blit_w != width || context->blit_h != height) {
1677 ENTER_GL();
1678 set_blit_dimension(width, height);
1679 LEAVE_GL();
1680 context->blit_w = width; context->blit_h = height;
1681 /* No need to dirtify here, the states are still dirtified because they weren't
1682 * applied since the last SetupForBlit call. Otherwise last_was_blit would not
1683 * be set
1684 */
1685 }
1686 TRACE("Context is already set up for blitting, nothing to do\n");
1687 return;
1688 }
1689 context->last_was_blit = TRUE;
1690
1691 /* TODO: Use a display list */
1692
1693 /* Disable shaders */
1694 ENTER_GL();
1695 This->shader_backend->shader_select(context, FALSE, FALSE);
1696 LEAVE_GL();
1697
1698 Context_MarkStateDirty(context, STATE_VSHADER, StateTable);
1699 Context_MarkStateDirty(context, STATE_PIXELSHADER, StateTable);
1700
1701 /* Call ENTER_GL() once for all gl calls below. In theory we should not call
1702 * helper functions in between gl calls. This function is full of Context_MarkStateDirty
1703 * which can safely be called from here, we only lock once instead locking/unlocking
1704 * after each GL call.
1705 */
1706 ENTER_GL();
1707
1708 /* Disable all textures. The caller can then bind a texture it wants to blit
1709 * from
1710 *
1711 * The blitting code uses (for now) the fixed function pipeline, so make sure to reset all fixed
1712 * function texture unit. No need to care for higher samplers
1713 */
1714 for (i = gl_info->limits.textures - 1; i > 0 ; --i)
1715 {
1716 sampler = This->rev_tex_unit_map[i];
1717 GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + i));
1718 checkGLcall("glActiveTextureARB");
1719
1720 if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
1721 {
1722 glDisable(GL_TEXTURE_CUBE_MAP_ARB);
1723 checkGLcall("glDisable GL_TEXTURE_CUBE_MAP_ARB");
1724 }
1725 glDisable(GL_TEXTURE_3D);
1726 checkGLcall("glDisable GL_TEXTURE_3D");
1727 if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
1728 {
1729 glDisable(GL_TEXTURE_RECTANGLE_ARB);
1730 checkGLcall("glDisable GL_TEXTURE_RECTANGLE_ARB");
1731 }
1732 glDisable(GL_TEXTURE_2D);
1733 checkGLcall("glDisable GL_TEXTURE_2D");
1734
1735 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
1736 checkGLcall("glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);");
1737
1738 if (sampler != WINED3D_UNMAPPED_STAGE)
1739 {
1740 if (sampler < MAX_TEXTURES) {
1741 Context_MarkStateDirty(context, STATE_TEXTURESTAGE(sampler, WINED3DTSS_COLOROP), StateTable);
1742 }
1743 Context_MarkStateDirty(context, STATE_SAMPLER(sampler), StateTable);
1744 }
1745 }
1746 GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB));
1747 checkGLcall("glActiveTextureARB");
1748
1749 sampler = This->rev_tex_unit_map[0];
1750
1751 if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
1752 {
1753 glDisable(GL_TEXTURE_CUBE_MAP_ARB);
1754 checkGLcall("glDisable GL_TEXTURE_CUBE_MAP_ARB");
1755 }
1756 glDisable(GL_TEXTURE_3D);
1757 checkGLcall("glDisable GL_TEXTURE_3D");
1758 if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
1759 {
1760 glDisable(GL_TEXTURE_RECTANGLE_ARB);
1761 checkGLcall("glDisable GL_TEXTURE_RECTANGLE_ARB");
1762 }
1763 glDisable(GL_TEXTURE_2D);
1764 checkGLcall("glDisable GL_TEXTURE_2D");
1765
1766 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
1767
1768 glMatrixMode(GL_TEXTURE);
1769 checkGLcall("glMatrixMode(GL_TEXTURE)");
1770 glLoadIdentity();
1771 checkGLcall("glLoadIdentity()");
1772
1773 if (gl_info->supported[EXT_TEXTURE_LOD_BIAS])
1774 {
1775 glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT,
1776 GL_TEXTURE_LOD_BIAS_EXT,
1777 0.0f);
1778 checkGLcall("glTexEnvi GL_TEXTURE_LOD_BIAS_EXT ...");
1779 }
1780
1781 if (sampler != WINED3D_UNMAPPED_STAGE)
1782 {
1783 if (sampler < MAX_TEXTURES) {
1784 Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_TEXTURE0 + sampler), StateTable);
1785 Context_MarkStateDirty(context, STATE_TEXTURESTAGE(sampler, WINED3DTSS_COLOROP), StateTable);
1786 }
1787 Context_MarkStateDirty(context, STATE_SAMPLER(sampler), StateTable);
1788 }
1789
1790 /* Other misc states */
1791 glDisable(GL_ALPHA_TEST);
1792 checkGLcall("glDisable(GL_ALPHA_TEST)");
1793 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHATESTENABLE), StateTable);
1794 glDisable(GL_LIGHTING);
1795 checkGLcall("glDisable GL_LIGHTING");
1796 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_LIGHTING), StateTable);
1797 glDisable(GL_DEPTH_TEST);
1798 checkGLcall("glDisable GL_DEPTH_TEST");
1799 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ZENABLE), StateTable);
1800 glDisableWINE(GL_FOG);
1801 checkGLcall("glDisable GL_FOG");
1802 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_FOGENABLE), StateTable);
1803 glDisable(GL_BLEND);
1804 checkGLcall("glDisable GL_BLEND");
1805 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), StateTable);
1806 glDisable(GL_CULL_FACE);
1807 checkGLcall("glDisable GL_CULL_FACE");
1808 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_CULLMODE), StateTable);
1809 glDisable(GL_STENCIL_TEST);
1810 checkGLcall("glDisable GL_STENCIL_TEST");
1811 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_STENCILENABLE), StateTable);
1812 glDisable(GL_SCISSOR_TEST);
1813 checkGLcall("glDisable GL_SCISSOR_TEST");
1814 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE), StateTable);
1815 if (gl_info->supported[ARB_POINT_SPRITE])
1816 {
1817 glDisable(GL_POINT_SPRITE_ARB);
1818 checkGLcall("glDisable GL_POINT_SPRITE_ARB");
1819 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_POINTSPRITEENABLE), StateTable);
1820 }
1821 glColorMask(GL_TRUE, GL_TRUE,GL_TRUE,GL_TRUE);
1822 checkGLcall("glColorMask");
1823 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_COLORWRITEENABLE), StateTable);
1824 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_COLORWRITEENABLE1), StateTable);
1825 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_COLORWRITEENABLE2), StateTable);
1826 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_COLORWRITEENABLE3), StateTable);
1827 if (gl_info->supported[EXT_SECONDARY_COLOR])
1828 {
1829 glDisable(GL_COLOR_SUM_EXT);
1830 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SPECULARENABLE), StateTable);
1831 checkGLcall("glDisable(GL_COLOR_SUM_EXT)");
1832 }
1833
1834 /* Setup transforms */
1835 glMatrixMode(GL_MODELVIEW);
1836 checkGLcall("glMatrixMode(GL_MODELVIEW)");
1837 glLoadIdentity();
1838 checkGLcall("glLoadIdentity()");
1839 Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_WORLDMATRIX(0)), StateTable);
1840
1841 context->last_was_rhw = TRUE;
1842 Context_MarkStateDirty(context, STATE_VDECL, StateTable); /* because of last_was_rhw = TRUE */
1843
1844 glDisable(GL_CLIP_PLANE0); checkGLcall("glDisable(clip plane 0)");
1845 glDisable(GL_CLIP_PLANE1); checkGLcall("glDisable(clip plane 1)");
1846 glDisable(GL_CLIP_PLANE2); checkGLcall("glDisable(clip plane 2)");
1847 glDisable(GL_CLIP_PLANE3); checkGLcall("glDisable(clip plane 3)");
1848 glDisable(GL_CLIP_PLANE4); checkGLcall("glDisable(clip plane 4)");
1849 glDisable(GL_CLIP_PLANE5); checkGLcall("glDisable(clip plane 5)");
1850 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_CLIPPING), StateTable);
1851
1852 set_blit_dimension(width, height);
1853
1854 LEAVE_GL();
1855
1856 context->blit_w = width; context->blit_h = height;
1857 Context_MarkStateDirty(context, STATE_VIEWPORT, StateTable);
1858 Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_PROJECTION), StateTable);
1859
1860
1861 This->frag_pipe->enable_extension((IWineD3DDevice *) This, FALSE);
1862 }
1863
1864 /*****************************************************************************
1865 * findThreadContextForSwapChain
1866 *
1867 * Searches a swapchain for all contexts and picks one for the thread tid.
1868 * If none can be found the swapchain is requested to create a new context
1869 *
1870 *****************************************************************************/
1871 static struct wined3d_context *findThreadContextForSwapChain(IWineD3DSwapChain *swapchain, DWORD tid)
1872 {
1873 unsigned int i;
1874
1875 for(i = 0; i < ((IWineD3DSwapChainImpl *) swapchain)->num_contexts; i++) {
1876 if(((IWineD3DSwapChainImpl *) swapchain)->context[i]->tid == tid) {
1877 return ((IWineD3DSwapChainImpl *) swapchain)->context[i];
1878 }
1879
1880 }
1881
1882 /* Create a new context for the thread */
1883 return swapchain_create_context_for_thread(swapchain);
1884 }
1885
1886 /*****************************************************************************
1887 * FindContext
1888 *
1889 * Finds a context for the current render target and thread
1890 *
1891 * Parameters:
1892 * target: Render target to find the context for
1893 * tid: Thread to activate the context for
1894 *
1895 * Returns: The needed context
1896 *
1897 *****************************************************************************/
1898 static struct wined3d_context *FindContext(IWineD3DDeviceImpl *This, IWineD3DSurfaceImpl *target)
1899 {
1900 struct wined3d_context *current_context = context_get_current();
1901 DWORD tid = GetCurrentThreadId();
1902 struct wined3d_context *context;
1903
1904 if (current_context && current_context->destroyed) current_context = NULL;
1905
1906 if (!target)
1907 {
1908 if (current_context
1909 && current_context->current_rt
1910 && current_context->swapchain->device == This)
1911 {
1912 target = current_context->current_rt;
1913 }
1914 else
1915 {
1916 IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)This->swapchains[0];
1917 if (swapchain->back_buffers) target = swapchain->back_buffers[0];
1918 else target = swapchain->front_buffer;
1919 }
1920 }
1921
1922 if (current_context && current_context->current_rt == target)
1923 {
1924 context_validate(current_context);
1925 return current_context;
1926 }
1927
1928 if (target->container.type == WINED3D_CONTAINER_SWAPCHAIN)
1929 {
1930 IWineD3DSwapChain *swapchain;
1931
1932 TRACE("Rendering onscreen\n");
1933
1934 swapchain = (IWineD3DSwapChain *)target->container.u.swapchain;
1935 context = findThreadContextForSwapChain(swapchain, tid);
1936 }
1937 else
1938 {
1939 TRACE("Rendering offscreen\n");
1940
1941 /* Stay with the currently active context. */
1942 if (current_context && current_context->swapchain->device == This)
1943 {
1944 context = current_context;
1945 }
1946 else
1947 {
1948 /* This may happen if the app jumps straight into offscreen rendering
1949 * Start using the context of the primary swapchain. tid == 0 is no problem
1950 * for findThreadContextForSwapChain.
1951 *
1952 * Can also happen on thread switches - in that case findThreadContextForSwapChain
1953 * is perfect to call. */
1954 context = findThreadContextForSwapChain(This->swapchains[0], tid);
1955 }
1956 }
1957
1958 context_validate(context);
1959
1960 return context;
1961 }
1962
1963 /* Context activation is done by the caller. */
1964 static void context_apply_draw_buffer(struct wined3d_context *context, BOOL blit)
1965 {
1966 const struct wined3d_gl_info *gl_info = context->gl_info;
1967 IWineD3DSurfaceImpl *rt = context->current_rt;
1968 IWineD3DDeviceImpl *device;
1969
1970 device = rt->resource.device;
1971 if (!surface_is_offscreen(rt))
1972 {
1973 ENTER_GL();
1974 glDrawBuffer(surface_get_gl_buffer(rt));
1975 checkGLcall("glDrawBuffer()");
1976 LEAVE_GL();
1977 }
1978 else
1979 {
1980 ENTER_GL();
1981 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
1982 {
1983 if (!blit)
1984 {
1985 unsigned int i;
1986
1987 for (i = 0; i < gl_info->limits.buffers; ++i)
1988 {
1989 if (device->render_targets[i])
1990 context->draw_buffers[i] = GL_COLOR_ATTACHMENT0 + i;
1991 else
1992 context->draw_buffers[i] = GL_NONE;
1993 }
1994
1995 if (gl_info->supported[ARB_DRAW_BUFFERS])
1996 {
1997 GL_EXTCALL(glDrawBuffersARB(gl_info->limits.buffers, context->draw_buffers));
1998 checkGLcall("glDrawBuffers()");
1999 }
2000 else
2001 {
2002 glDrawBuffer(context->draw_buffers[0]);
2003 checkGLcall("glDrawBuffer()");
2004 }
2005 } else {
2006 glDrawBuffer(GL_COLOR_ATTACHMENT0);
2007 checkGLcall("glDrawBuffer()");
2008 }
2009 }
2010 else
2011 {
2012 glDrawBuffer(device->offscreenBuffer);
2013 checkGLcall("glDrawBuffer()");
2014 }
2015 LEAVE_GL();
2016 }
2017 }
2018
2019 /* GL locking is done by the caller. */
2020 void context_set_draw_buffer(struct wined3d_context *context, GLenum buffer)
2021 {
2022 glDrawBuffer(buffer);
2023 checkGLcall("glDrawBuffer()");
2024 context->draw_buffer_dirty = TRUE;
2025 }
2026
2027 static inline void context_set_render_offscreen(struct wined3d_context *context, const struct StateEntry *StateTable,
2028 BOOL offscreen)
2029 {
2030 const struct wined3d_gl_info *gl_info = context->gl_info;
2031
2032 if (context->render_offscreen == offscreen) return;
2033
2034 if (gl_info->supported[WINED3D_GL_VERSION_2_0])
2035 {
2036 /* Windows doesn't support to query the glPointParameteri function pointer, so use the
2037 * NV_POINT_SPRITE extension.
2038 */
2039 if (glPointParameteri)
2040 {
2041 glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN, offscreen ? GL_LOWER_LEFT : GL_UPPER_LEFT);
2042 checkGLcall("glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN, ...)");
2043 }
2044 else if (gl_info->supported[NV_POINT_SPRITE])
2045 {
2046 GL_EXTCALL(glPointParameteriNV(GL_POINT_SPRITE_COORD_ORIGIN, offscreen ? GL_LOWER_LEFT : GL_UPPER_LEFT));
2047 checkGLcall("glPointParameteriNV(GL_POINT_SPRITE_COORD_ORIGIN, ...)");
2048 }
2049 }
2050
2051 Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_PROJECTION), StateTable);
2052 Context_MarkStateDirty(context, STATE_VDECL, StateTable);
2053 Context_MarkStateDirty(context, STATE_VIEWPORT, StateTable);
2054 Context_MarkStateDirty(context, STATE_SCISSORRECT, StateTable);
2055 Context_MarkStateDirty(context, STATE_FRONTFACE, StateTable);
2056 context->render_offscreen = offscreen;
2057 }
2058
2059 static BOOL match_depth_stencil_format(const struct wined3d_format_desc *existing,
2060 const struct wined3d_format_desc *required)
2061 {
2062 short existing_depth, existing_stencil, required_depth, required_stencil;
2063
2064 if(existing == required) return TRUE;
2065 if((existing->Flags & WINED3DFMT_FLAG_FLOAT) != (required->Flags & WINED3DFMT_FLAG_FLOAT)) return FALSE;
2066
2067 getDepthStencilBits(existing, &existing_depth, &existing_stencil);
2068 getDepthStencilBits(required, &required_depth, &required_stencil);
2069
2070 if(existing_depth < required_depth) return FALSE;
2071 /* If stencil bits are used the exact amount is required - otherwise wrapping
2072 * won't work correctly */
2073 if(required_stencil && required_stencil != existing_stencil) return FALSE;
2074 return TRUE;
2075 }
2076 /* The caller provides a context */
2077 static void context_validate_onscreen_formats(IWineD3DDeviceImpl *device,
2078 struct wined3d_context *context, IWineD3DSurfaceImpl *depth_stencil)
2079 {
2080 /* Onscreen surfaces are always in a swapchain */
2081 IWineD3DSwapChainImpl *swapchain = context->current_rt->container.u.swapchain;
2082
2083 if (context->render_offscreen || !depth_stencil) return;
2084 if (match_depth_stencil_format(swapchain->ds_format, depth_stencil->resource.format_desc)) return;
2085
2086 /* TODO: If the requested format would satisfy the needs of the existing one(reverse match),
2087 * or no onscreen depth buffer was created, the OpenGL drawable could be changed to the new
2088 * format. */
2089 WARN("Depth stencil format is not supported by WGL, rendering the backbuffer in an FBO\n");
2090
2091 /* The currently active context is the necessary context to access the swapchain's onscreen buffers */
2092 surface_load_location(context->current_rt, SFLAG_INTEXTURE, NULL);
2093 swapchain->render_to_fbo = TRUE;
2094 context_set_render_offscreen(context, device->StateTable, TRUE);
2095 }
2096
2097 /* Context activation is done by the caller. */
2098 void context_apply_blit_state(struct wined3d_context *context, IWineD3DDeviceImpl *device)
2099 {
2100 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2101 {
2102 context_validate_onscreen_formats(device, context, NULL);
2103
2104 if (context->render_offscreen)
2105 {
2106 FIXME("Applying blit state for an offscreen target with ORM_FBO. This should be avoided.\n");
2107 surface_internal_preload(context->current_rt, SRGB_RGB);
2108
2109 ENTER_GL();
2110 context_apply_fbo_state_blit(context, GL_FRAMEBUFFER, context->current_rt, NULL, SFLAG_INTEXTURE);
2111 LEAVE_GL();
2112 }
2113 else
2114 {
2115 ENTER_GL();
2116 context_bind_fbo(context, GL_FRAMEBUFFER, NULL);
2117 LEAVE_GL();
2118 }
2119
2120 context->draw_buffer_dirty = TRUE;
2121 }
2122
2123 if (context->draw_buffer_dirty)
2124 {
2125 context_apply_draw_buffer(context, TRUE);
2126 if (wined3d_settings.offscreen_rendering_mode != ORM_FBO)
2127 context->draw_buffer_dirty = FALSE;
2128 }
2129
2130 SetupForBlit(device, context);
2131 }
2132
2133 /* Context activation is done by the caller. */
2134 void context_apply_clear_state(struct wined3d_context *context, IWineD3DDeviceImpl *device,
2135 UINT rt_count, IWineD3DSurfaceImpl **rts, IWineD3DSurfaceImpl *depth_stencil)
2136 {
2137 const struct StateEntry *state_table = device->StateTable;
2138 UINT i;
2139
2140 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2141 {
2142 context_validate_onscreen_formats(device, context, depth_stencil);
2143
2144 ENTER_GL();
2145
2146 if (surface_is_offscreen(rts[0]))
2147 {
2148 for (i = 0; i < rt_count; ++i)
2149 {
2150 context->blit_targets[i] = rts[i];
2151 }
2152 while (i < context->gl_info->limits.buffers)
2153 {
2154 context->blit_targets[i] = NULL;
2155 ++i;
2156 }
2157 context_apply_fbo_state(context, GL_FRAMEBUFFER, context->blit_targets, depth_stencil, SFLAG_INTEXTURE);
2158 }
2159 else
2160 {
2161 context_apply_fbo_state(context, GL_FRAMEBUFFER, NULL, NULL, SFLAG_INDRAWABLE);
2162 }
2163
2164 LEAVE_GL();
2165 }
2166
2167 if (!surface_is_offscreen(rts[0]))
2168 {
2169 ENTER_GL();
2170 context_set_draw_buffer(context, surface_get_gl_buffer(rts[0]));
2171 LEAVE_GL();
2172 }
2173 else
2174 {
2175 ENTER_GL();
2176
2177 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2178 {
2179 const struct wined3d_gl_info *gl_info = context->gl_info;
2180 for (i = 0; i < gl_info->limits.buffers; ++i)
2181 {
2182 if (i < rt_count && rts[i])
2183 context->draw_buffers[i] = GL_COLOR_ATTACHMENT0 + i;
2184 else
2185 context->draw_buffers[i] = GL_NONE;
2186 }
2187 GL_EXTCALL(glDrawBuffersARB(gl_info->limits.buffers, context->draw_buffers));
2188 checkGLcall("glDrawBuffers()");
2189 context->draw_buffer_dirty = TRUE;
2190 }
2191 else
2192 {
2193 glDrawBuffer(device->offscreenBuffer);
2194 checkGLcall("glDrawBuffer()");
2195 }
2196
2197 LEAVE_GL();
2198 }
2199
2200 if (context->last_was_blit)
2201 {
2202 device->frag_pipe->enable_extension((IWineD3DDevice *)device, TRUE);
2203 }
2204
2205 /* Blending and clearing should be orthogonal, but tests on the nvidia
2206 * driver show that disabling blending when clearing improves the clearing
2207 * performance incredibly. */
2208 ENTER_GL();
2209 glDisable(GL_BLEND);
2210 glEnable(GL_SCISSOR_TEST);
2211 checkGLcall("glEnable GL_SCISSOR_TEST");
2212 LEAVE_GL();
2213
2214 context->last_was_blit = FALSE;
2215 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), state_table);
2216 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE), state_table);
2217 Context_MarkStateDirty(context, STATE_SCISSORRECT, state_table);
2218 }
2219
2220 /* Context activation is done by the caller. */
2221 void context_apply_draw_state(struct wined3d_context *context, IWineD3DDeviceImpl *device)
2222 {
2223 const struct StateEntry *state_table = device->StateTable;
2224 unsigned int i;
2225
2226 /* Preload resources before FBO setup. Texture preload in particular may
2227 * result in changes to the current FBO, due to using e.g. FBO blits for
2228 * updating a resource location. */
2229 IWineD3DDeviceImpl_FindTexUnitMap(device);
2230 device_preload_textures(device);
2231 if (isStateDirty(context, STATE_VDECL))
2232 device_update_stream_info(device, context->gl_info);
2233
2234 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2235 {
2236 context_validate_onscreen_formats(device, context, device->depth_stencil);
2237
2238 if (!context->render_offscreen)
2239 {
2240 ENTER_GL();
2241 context_apply_fbo_state(context, GL_FRAMEBUFFER, NULL, NULL, SFLAG_INDRAWABLE);
2242 LEAVE_GL();
2243 }
2244 else
2245 {
2246 ENTER_GL();
2247 context_apply_fbo_state(context, GL_FRAMEBUFFER, device->render_targets,
2248 device->depth_stencil, SFLAG_INTEXTURE);
2249 LEAVE_GL();
2250 }
2251 }
2252
2253 if (context->draw_buffer_dirty)
2254 {
2255 context_apply_draw_buffer(context, FALSE);
2256 context->draw_buffer_dirty = FALSE;
2257 }
2258
2259 if (context->last_was_blit)
2260 {
2261 device->frag_pipe->enable_extension((IWineD3DDevice *)device, TRUE);
2262 }
2263
2264 ENTER_GL();
2265 for (i = 0; i < context->numDirtyEntries; ++i)
2266 {
2267 DWORD rep = context->dirtyArray[i];
2268 DWORD idx = rep / (sizeof(*context->isStateDirty) * CHAR_BIT);
2269 BYTE shift = rep & ((sizeof(*context->isStateDirty) * CHAR_BIT) - 1);
2270 context->isStateDirty[idx] &= ~(1 << shift);
2271 state_table[rep].apply(rep, device->stateBlock, context);
2272 }
2273 LEAVE_GL();
2274 context->numDirtyEntries = 0; /* This makes the whole list clean */
2275 context->last_was_blit = FALSE;
2276 }
2277
2278 static void context_setup_target(IWineD3DDeviceImpl *device,
2279 struct wined3d_context *context, IWineD3DSurfaceImpl *target)
2280 {
2281 BOOL old_render_offscreen = context->render_offscreen, render_offscreen;
2282 const struct StateEntry *StateTable = device->StateTable;
2283
2284 if (!target) return;
2285 render_offscreen = surface_is_offscreen(target);
2286 if (context->current_rt == target && render_offscreen == old_render_offscreen) return;
2287
2288 /* To compensate the lack of format switching with some offscreen rendering methods and on onscreen buffers
2289 * the alpha blend state changes with different render target formats. */
2290 if (!context->current_rt)
2291 {
2292 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), StateTable);
2293 }
2294 else
2295 {
2296 const struct wined3d_format_desc *old = context->current_rt->resource.format_desc;
2297 const struct wined3d_format_desc *new = target->resource.format_desc;
2298
2299 if (old->id != new->id)
2300 {
2301 /* Disable blending when the alpha mask has changed and when a format doesn't support blending. */
2302 if ((old->alpha_mask && !new->alpha_mask) || (!old->alpha_mask && new->alpha_mask)
2303 || !(new->Flags & WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING))
2304 {
2305 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), StateTable);
2306 }
2307 /* Update sRGB writing when switching between formats that do/do not support sRGB writing */
2308 if ((old->Flags & WINED3DFMT_FLAG_SRGB_WRITE) != (new->Flags & WINED3DFMT_FLAG_SRGB_WRITE))
2309 {
2310 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SRGBWRITEENABLE), StateTable);
2311 }
2312 }
2313
2314 /* When switching away from an offscreen render target, and we're not
2315 * using FBOs, we have to read the drawable into the texture. This is
2316 * done via PreLoad (and SFLAG_INDRAWABLE set on the surface). There
2317 * are some things that need care though. PreLoad needs a GL context,
2318 * and FindContext is called before the context is activated. It also
2319 * has to be called with the old rendertarget active, otherwise a
2320 * wrong drawable is read. */
2321 if (wined3d_settings.offscreen_rendering_mode != ORM_FBO
2322 && old_render_offscreen && context->current_rt != target)
2323 {
2324 /* Read the back buffer of the old drawable into the destination texture. */
2325 if (context->current_rt->texture_name_srgb)
2326 {
2327 surface_internal_preload(context->current_rt, SRGB_BOTH);
2328 }
2329 else
2330 {
2331 surface_internal_preload(context->current_rt, SRGB_RGB);
2332 }
2333
2334 surface_modify_location(context->current_rt, SFLAG_INDRAWABLE, FALSE);
2335 }
2336 }
2337
2338 context->draw_buffer_dirty = TRUE;
2339 context->current_rt = target;
2340 context_set_render_offscreen(context, StateTable, render_offscreen);
2341 }
2342
2343 /*****************************************************************************
2344 * context_acquire
2345 *
2346 * Finds a rendering context and drawable matching the device and render
2347 * target for the current thread, activates them and puts them into the
2348 * requested state.
2349 *
2350 * Params:
2351 * This: Device to activate the context for
2352 * target: Requested render target
2353 * usage: Prepares the context for blitting, drawing or other actions
2354 *
2355 *****************************************************************************/
2356 struct wined3d_context *context_acquire(IWineD3DDeviceImpl *device, IWineD3DSurfaceImpl *target)
2357 {
2358 struct wined3d_context *current_context = context_get_current();
2359 struct wined3d_context *context;
2360
2361 TRACE("device %p, target %p.\n", device, target);
2362
2363 context = FindContext(device, target);
2364 context_setup_target(device, context, target);
2365 context_enter(context);
2366 if (!context->valid) return context;
2367
2368 if (context != current_context)
2369 {
2370 if (!context_set_current(context)) ERR("Failed to activate the new context.\n");
2371 else device->frag_pipe->enable_extension((IWineD3DDevice *)device, !context->last_was_blit);
2372
2373 if (context->vshader_const_dirty)
2374 {
2375 memset(context->vshader_const_dirty, 1,
2376 sizeof(*context->vshader_const_dirty) * device->d3d_vshader_constantF);
2377 device->highest_dirty_vs_const = device->d3d_vshader_constantF;
2378 }
2379 if (context->pshader_const_dirty)
2380 {
2381 memset(context->pshader_const_dirty, 1,
2382 sizeof(*context->pshader_const_dirty) * device->d3d_pshader_constantF);
2383 device->highest_dirty_ps_const = device->d3d_pshader_constantF;
2384 }
2385 }
2386 else if (context->restore_ctx)
2387 {
2388 if (!pwglMakeCurrent(context->hdc, context->glCtx))
2389 {
2390 DWORD err = GetLastError();
2391 ERR("Failed to make GL context %p current on device context %p, last error %#x.\n",
2392 context->hdc, context->glCtx, err);
2393 }
2394 }
2395
2396 return context;
2397 }
an attempt at megring old patches into wine