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wined3d: Set default texture units mapping for vertex shader samplers when possible.
[wine.git] / dlls / wined3d / context.c
blobff2ff4e356921962626c41326652d69219a9a9d9
1 /*
2 * Context and render target management in wined3d
3 *
4 * Copyright 2007-2011, 2013 Stefan Dösinger for CodeWeavers
5 * Copyright 2009-2011 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 "wine/port.h"
24
25 #include <stdio.h>
26 #ifdef HAVE_FLOAT_H
27 # include <float.h>
28 #endif
29
30 #include "wined3d_private.h"
31
32 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
33 WINE_DECLARE_DEBUG_CHANNEL(d3d_perf);
34 WINE_DECLARE_DEBUG_CHANNEL(d3d_synchronous);
35
36 #define WINED3D_MAX_FBO_ENTRIES 64
37
38 static DWORD wined3d_context_tls_idx;
39
40 /* FBO helper functions */
41
42 /* Context activation is done by the caller. */
43 static void context_bind_fbo(struct wined3d_context *context, GLenum target, GLuint fbo)
44 {
45 const struct wined3d_gl_info *gl_info = context->gl_info;
46
47 switch (target)
48 {
49 case GL_READ_FRAMEBUFFER:
50 if (context->fbo_read_binding == fbo) return;
51 context->fbo_read_binding = fbo;
52 break;
53
54 case GL_DRAW_FRAMEBUFFER:
55 if (context->fbo_draw_binding == fbo) return;
56 context->fbo_draw_binding = fbo;
57 break;
58
59 case GL_FRAMEBUFFER:
60 if (context->fbo_read_binding == fbo
61 && context->fbo_draw_binding == fbo) return;
62 context->fbo_read_binding = fbo;
63 context->fbo_draw_binding = fbo;
64 break;
65
66 default:
67 FIXME("Unhandled target %#x.\n", target);
68 break;
69 }
70
71 gl_info->fbo_ops.glBindFramebuffer(target, fbo);
72 checkGLcall("glBindFramebuffer()");
73 }
74
75 /* Context activation is done by the caller. */
76 static void context_clean_fbo_attachments(const struct wined3d_gl_info *gl_info, GLenum target)
77 {
78 unsigned int i;
79
80 for (i = 0; i < gl_info->limits.buffers; ++i)
81 {
82 gl_info->fbo_ops.glFramebufferTexture2D(target, GL_COLOR_ATTACHMENT0 + i, GL_TEXTURE_2D, 0, 0);
83 checkGLcall("glFramebufferTexture2D()");
84 }
85 gl_info->fbo_ops.glFramebufferTexture2D(target, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
86 checkGLcall("glFramebufferTexture2D()");
87
88 gl_info->fbo_ops.glFramebufferTexture2D(target, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
89 checkGLcall("glFramebufferTexture2D()");
90 }
91
92 /* Context activation is done by the caller. */
93 static void context_destroy_fbo(struct wined3d_context *context, GLuint fbo)
94 {
95 const struct wined3d_gl_info *gl_info = context->gl_info;
96
97 context_bind_fbo(context, GL_FRAMEBUFFER, fbo);
98 context_clean_fbo_attachments(gl_info, GL_FRAMEBUFFER);
99 context_bind_fbo(context, GL_FRAMEBUFFER, 0);
100
101 gl_info->fbo_ops.glDeleteFramebuffers(1, &fbo);
102 checkGLcall("glDeleteFramebuffers()");
103 }
104
105 static void context_attach_depth_stencil_rb(const struct wined3d_gl_info *gl_info,
106 GLenum fbo_target, DWORD format_flags, GLuint rb)
107 {
108 if (format_flags & WINED3DFMT_FLAG_DEPTH)
109 {
110 gl_info->fbo_ops.glFramebufferRenderbuffer(fbo_target, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rb);
111 checkGLcall("glFramebufferRenderbuffer()");
112 }
113
114 if (format_flags & WINED3DFMT_FLAG_STENCIL)
115 {
116 gl_info->fbo_ops.glFramebufferRenderbuffer(fbo_target, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, rb);
117 checkGLcall("glFramebufferRenderbuffer()");
118 }
119 }
120
121 /* Context activation is done by the caller. */
122 static void context_attach_depth_stencil_fbo(struct wined3d_context *context,
123 GLenum fbo_target, struct wined3d_surface *depth_stencil, DWORD location)
124 {
125 const struct wined3d_gl_info *gl_info = context->gl_info;
126
127 TRACE("Attach depth stencil %p\n", depth_stencil);
128
129 if (depth_stencil)
130 {
131 DWORD format_flags = depth_stencil->container->resource.format_flags;
132
133 if (depth_stencil->current_renderbuffer)
134 {
135 context_attach_depth_stencil_rb(gl_info, fbo_target,
136 format_flags, depth_stencil->current_renderbuffer->id);
137 }
138 else
139 {
140 switch (location)
141 {
142 case WINED3D_LOCATION_TEXTURE_RGB:
143 case WINED3D_LOCATION_TEXTURE_SRGB:
144 if (format_flags & WINED3DFMT_FLAG_DEPTH)
145 {
146 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_DEPTH_ATTACHMENT,
147 depth_stencil->texture_target, depth_stencil->container->texture_rgb.name,
148 depth_stencil->texture_level);
149 checkGLcall("glFramebufferTexture2D()");
150 }
151
152 if (format_flags & WINED3DFMT_FLAG_STENCIL)
153 {
154 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_STENCIL_ATTACHMENT,
155 depth_stencil->texture_target, depth_stencil->container->texture_rgb.name,
156 depth_stencil->texture_level);
157 checkGLcall("glFramebufferTexture2D()");
158 }
159 break;
160
161 case WINED3D_LOCATION_RB_MULTISAMPLE:
162 context_attach_depth_stencil_rb(gl_info, fbo_target,
163 format_flags, depth_stencil->rb_multisample);
164 break;
165
166 case WINED3D_LOCATION_RB_RESOLVED:
167 context_attach_depth_stencil_rb(gl_info, fbo_target,
168 format_flags, depth_stencil->rb_resolved);
169 break;
170
171 default:
172 ERR("Unsupported location %s (%#x).\n", wined3d_debug_location(location), location);
173 break;
174 }
175 }
176
177 if (!(format_flags & WINED3DFMT_FLAG_DEPTH))
178 {
179 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
180 checkGLcall("glFramebufferTexture2D()");
181 }
182
183 if (!(format_flags & WINED3DFMT_FLAG_STENCIL))
184 {
185 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
186 checkGLcall("glFramebufferTexture2D()");
187 }
188 }
189 else
190 {
191 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
192 checkGLcall("glFramebufferTexture2D()");
193
194 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
195 checkGLcall("glFramebufferTexture2D()");
196 }
197 }
198
199 /* Context activation is done by the caller. */
200 static void context_attach_surface_fbo(struct wined3d_context *context,
201 GLenum fbo_target, DWORD idx, struct wined3d_surface *surface, DWORD location)
202 {
203 const struct wined3d_gl_info *gl_info = context->gl_info;
204
205 TRACE("Attach surface %p to %u\n", surface, idx);
206
207 if (surface && surface->resource.format->id != WINED3DFMT_NULL)
208 {
209 BOOL srgb;
210
211 switch (location)
212 {
213 case WINED3D_LOCATION_TEXTURE_RGB:
214 case WINED3D_LOCATION_TEXTURE_SRGB:
215 srgb = location == WINED3D_LOCATION_TEXTURE_SRGB;
216 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_COLOR_ATTACHMENT0 + idx,
217 surface->texture_target, surface_get_texture_name(surface, gl_info, srgb),
218 surface->texture_level);
219 checkGLcall("glFramebufferTexture2D()");
220 break;
221
222 case WINED3D_LOCATION_RB_MULTISAMPLE:
223 gl_info->fbo_ops.glFramebufferRenderbuffer(fbo_target, GL_COLOR_ATTACHMENT0 + idx,
224 GL_RENDERBUFFER, surface->rb_multisample);
225 checkGLcall("glFramebufferRenderbuffer()");
226 break;
227
228 case WINED3D_LOCATION_RB_RESOLVED:
229 gl_info->fbo_ops.glFramebufferRenderbuffer(fbo_target, GL_COLOR_ATTACHMENT0 + idx,
230 GL_RENDERBUFFER, surface->rb_resolved);
231 checkGLcall("glFramebufferRenderbuffer()");
232 break;
233
234 default:
235 ERR("Unsupported location %s (%#x).\n", wined3d_debug_location(location), location);
236 break;
237 }
238 }
239 else
240 {
241 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_COLOR_ATTACHMENT0 + idx, GL_TEXTURE_2D, 0, 0);
242 checkGLcall("glFramebufferTexture2D()");
243 }
244 }
245
246 /* Context activation is done by the caller. */
247 void context_check_fbo_status(const struct wined3d_context *context, GLenum target)
248 {
249 const struct wined3d_gl_info *gl_info = context->gl_info;
250 GLenum status;
251
252 if (!FIXME_ON(d3d)) return;
253
254 status = gl_info->fbo_ops.glCheckFramebufferStatus(target);
255 if (status == GL_FRAMEBUFFER_COMPLETE)
256 {
257 TRACE("FBO complete\n");
258 }
259 else
260 {
261 const struct wined3d_surface *attachment;
262 unsigned int i;
263
264 FIXME("FBO status %s (%#x)\n", debug_fbostatus(status), status);
265
266 if (!context->current_fbo)
267 {
268 ERR("FBO 0 is incomplete, driver bug?\n");
269 return;
270 }
271
272 FIXME("\tColor Location %s (%#x).\n", wined3d_debug_location(context->current_fbo->color_location),
273 context->current_fbo->color_location);
274 FIXME("\tDepth Stencil Location %s (%#x).\n", wined3d_debug_location(context->current_fbo->ds_location),
275 context->current_fbo->ds_location);
276
277 /* Dump the FBO attachments */
278 for (i = 0; i < gl_info->limits.buffers; ++i)
279 {
280 attachment = context->current_fbo->render_targets[i];
281 if (attachment)
282 {
283 FIXME("\tColor attachment %d: (%p) %s %ux%u %u samples.\n",
284 i, attachment, debug_d3dformat(attachment->resource.format->id),
285 attachment->pow2Width, attachment->pow2Height, attachment->resource.multisample_type);
286 }
287 }
288 attachment = context->current_fbo->depth_stencil;
289 if (attachment)
290 {
291 FIXME("\tDepth attachment: (%p) %s %ux%u %u samples.\n",
292 attachment, debug_d3dformat(attachment->resource.format->id),
293 attachment->pow2Width, attachment->pow2Height, attachment->resource.multisample_type);
294 }
295 }
296 }
297
298 static inline DWORD context_generate_rt_mask(GLenum buffer)
299 {
300 /* Should take care of all the GL_FRONT/GL_BACK/GL_AUXi/GL_NONE... cases */
301 return buffer ? (1u << 31) | buffer : 0;
302 }
303
304 static inline DWORD context_generate_rt_mask_from_surface(const struct wined3d_surface *target)
305 {
306 return (1u << 31) | surface_get_gl_buffer(target);
307 }
308
309 static struct fbo_entry *context_create_fbo_entry(const struct wined3d_context *context,
310 struct wined3d_surface **render_targets, struct wined3d_surface *depth_stencil,
311 DWORD color_location, DWORD ds_location)
312 {
313 const struct wined3d_gl_info *gl_info = context->gl_info;
314 struct fbo_entry *entry;
315
316 entry = HeapAlloc(GetProcessHeap(), 0, sizeof(*entry));
317 entry->render_targets = HeapAlloc(GetProcessHeap(), 0, gl_info->limits.buffers * sizeof(*entry->render_targets));
318 memcpy(entry->render_targets, render_targets, gl_info->limits.buffers * sizeof(*entry->render_targets));
319 entry->depth_stencil = depth_stencil;
320 entry->color_location = color_location;
321 entry->ds_location = ds_location;
322 entry->rt_mask = context_generate_rt_mask(GL_COLOR_ATTACHMENT0);
323 entry->attached = FALSE;
324 gl_info->fbo_ops.glGenFramebuffers(1, &entry->id);
325 checkGLcall("glGenFramebuffers()");
326 TRACE("Created FBO %u.\n", entry->id);
327
328 return entry;
329 }
330
331 /* Context activation is done by the caller. */
332 static void context_reuse_fbo_entry(struct wined3d_context *context, GLenum target,
333 struct wined3d_surface **render_targets, struct wined3d_surface *depth_stencil,
334 DWORD color_location, DWORD ds_location, struct fbo_entry *entry)
335 {
336 const struct wined3d_gl_info *gl_info = context->gl_info;
337
338 context_bind_fbo(context, target, entry->id);
339 context_clean_fbo_attachments(gl_info, target);
340
341 memcpy(entry->render_targets, render_targets, gl_info->limits.buffers * sizeof(*entry->render_targets));
342 entry->depth_stencil = depth_stencil;
343 entry->color_location = color_location;
344 entry->ds_location = ds_location;
345 entry->attached = FALSE;
346 }
347
348 /* Context activation is done by the caller. */
349 static void context_destroy_fbo_entry(struct wined3d_context *context, struct fbo_entry *entry)
350 {
351 if (entry->id)
352 {
353 TRACE("Destroy FBO %u.\n", entry->id);
354 context_destroy_fbo(context, entry->id);
355 }
356 --context->fbo_entry_count;
357 list_remove(&entry->entry);
358 HeapFree(GetProcessHeap(), 0, entry->render_targets);
359 HeapFree(GetProcessHeap(), 0, entry);
360 }
361
362 /* Context activation is done by the caller. */
363 static struct fbo_entry *context_find_fbo_entry(struct wined3d_context *context, GLenum target,
364 struct wined3d_surface **render_targets, struct wined3d_surface *depth_stencil,
365 DWORD color_location, DWORD ds_location)
366 {
367 const struct wined3d_gl_info *gl_info = context->gl_info;
368 struct fbo_entry *entry;
369
370 if (depth_stencil && render_targets && render_targets[0])
371 {
372 if (depth_stencil->resource.width < render_targets[0]->resource.width ||
373 depth_stencil->resource.height < render_targets[0]->resource.height)
374 {
375 WARN("Depth stencil is smaller than the primary color buffer, disabling\n");
376 depth_stencil = NULL;
377 }
378 }
379
380 LIST_FOR_EACH_ENTRY(entry, &context->fbo_list, struct fbo_entry, entry)
381 {
382 if (!memcmp(entry->render_targets,
383 render_targets, gl_info->limits.buffers * sizeof(*entry->render_targets))
384 && entry->depth_stencil == depth_stencil && entry->color_location == color_location
385 && entry->ds_location == ds_location)
386 {
387 list_remove(&entry->entry);
388 list_add_head(&context->fbo_list, &entry->entry);
389 return entry;
390 }
391 }
392
393 if (context->fbo_entry_count < WINED3D_MAX_FBO_ENTRIES)
394 {
395 entry = context_create_fbo_entry(context, render_targets, depth_stencil, color_location, ds_location);
396 list_add_head(&context->fbo_list, &entry->entry);
397 ++context->fbo_entry_count;
398 }
399 else
400 {
401 entry = LIST_ENTRY(list_tail(&context->fbo_list), struct fbo_entry, entry);
402 context_reuse_fbo_entry(context, target, render_targets, depth_stencil, color_location, ds_location, entry);
403 list_remove(&entry->entry);
404 list_add_head(&context->fbo_list, &entry->entry);
405 }
406
407 return entry;
408 }
409
410 /* Context activation is done by the caller. */
411 static void context_apply_fbo_entry(struct wined3d_context *context, GLenum target, struct fbo_entry *entry)
412 {
413 const struct wined3d_gl_info *gl_info = context->gl_info;
414 unsigned int i;
415 GLuint read_binding, draw_binding;
416 struct wined3d_surface *depth_stencil = entry->depth_stencil;
417
418 if (entry->attached)
419 {
420 context_bind_fbo(context, target, entry->id);
421 return;
422 }
423
424 read_binding = context->fbo_read_binding;
425 draw_binding = context->fbo_draw_binding;
426 context_bind_fbo(context, GL_FRAMEBUFFER, entry->id);
427
428 /* Apply render targets */
429 for (i = 0; i < gl_info->limits.buffers; ++i)
430 {
431 context_attach_surface_fbo(context, target, i, entry->render_targets[i], entry->color_location);
432 }
433
434 if (depth_stencil && entry->render_targets[0]
435 && (depth_stencil->resource.multisample_type
436 != entry->render_targets[0]->resource.multisample_type
437 || depth_stencil->resource.multisample_quality
438 != entry->render_targets[0]->resource.multisample_quality))
439 {
440 WARN("Color multisample type %u and quality %u, depth stencil has %u and %u, disabling ds buffer.\n",
441 entry->render_targets[0]->resource.multisample_quality,
442 entry->render_targets[0]->resource.multisample_type,
443 depth_stencil->resource.multisample_quality, depth_stencil->resource.multisample_type);
444 depth_stencil = NULL;
445 }
446
447 if (depth_stencil)
448 surface_set_compatible_renderbuffer(depth_stencil, entry->render_targets[0]);
449 context_attach_depth_stencil_fbo(context, target, depth_stencil, entry->ds_location);
450
451 /* Set valid read and draw buffer bindings to satisfy pedantic pre-ES2_compatibility
452 * GL contexts requirements. */
453 gl_info->gl_ops.gl.p_glReadBuffer(GL_NONE);
454 context_set_draw_buffer(context, GL_NONE);
455 if (target != GL_FRAMEBUFFER)
456 {
457 if (target == GL_READ_FRAMEBUFFER)
458 context_bind_fbo(context, GL_DRAW_FRAMEBUFFER, draw_binding);
459 else
460 context_bind_fbo(context, GL_READ_FRAMEBUFFER, read_binding);
461 }
462
463 entry->attached = TRUE;
464 }
465
466 /* Context activation is done by the caller. */
467 static void context_apply_fbo_state(struct wined3d_context *context, GLenum target,
468 struct wined3d_surface **render_targets, struct wined3d_surface *depth_stencil,
469 DWORD color_location, DWORD ds_location)
470 {
471 struct fbo_entry *entry, *entry2;
472
473 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_destroy_list, struct fbo_entry, entry)
474 {
475 context_destroy_fbo_entry(context, entry);
476 }
477
478 if (context->rebind_fbo)
479 {
480 context_bind_fbo(context, GL_FRAMEBUFFER, 0);
481 context->rebind_fbo = FALSE;
482 }
483
484 if (color_location == WINED3D_LOCATION_DRAWABLE)
485 {
486 context->current_fbo = NULL;
487 context_bind_fbo(context, target, 0);
488 }
489 else
490 {
491 context->current_fbo = context_find_fbo_entry(context, target, render_targets, depth_stencil,
492 color_location, ds_location);
493 context_apply_fbo_entry(context, target, context->current_fbo);
494 }
495 }
496
497 /* Context activation is done by the caller. */
498 void context_apply_fbo_state_blit(struct wined3d_context *context, GLenum target,
499 struct wined3d_surface *render_target, struct wined3d_surface *depth_stencil, DWORD location)
500 {
501 UINT clear_size = (context->gl_info->limits.buffers - 1) * sizeof(*context->blit_targets);
502
503 context->blit_targets[0] = render_target;
504 if (clear_size)
505 memset(&context->blit_targets[1], 0, clear_size);
506 context_apply_fbo_state(context, target, context->blit_targets, depth_stencil, location, location);
507 }
508
509 /* Context activation is done by the caller. */
510 void context_alloc_occlusion_query(struct wined3d_context *context, struct wined3d_occlusion_query *query)
511 {
512 const struct wined3d_gl_info *gl_info = context->gl_info;
513
514 if (context->free_occlusion_query_count)
515 {
516 query->id = context->free_occlusion_queries[--context->free_occlusion_query_count];
517 }
518 else
519 {
520 if (gl_info->supported[ARB_OCCLUSION_QUERY])
521 {
522 GL_EXTCALL(glGenQueries(1, &query->id));
523 checkGLcall("glGenQueries");
524
525 TRACE("Allocated occlusion query %u in context %p.\n", query->id, context);
526 }
527 else
528 {
529 WARN("Occlusion queries not supported, not allocating query id.\n");
530 query->id = 0;
531 }
532 }
533
534 query->context = context;
535 list_add_head(&context->occlusion_queries, &query->entry);
536 }
537
538 void context_free_occlusion_query(struct wined3d_occlusion_query *query)
539 {
540 struct wined3d_context *context = query->context;
541
542 list_remove(&query->entry);
543 query->context = NULL;
544
545 if (context->free_occlusion_query_count >= context->free_occlusion_query_size - 1)
546 {
547 UINT new_size = context->free_occlusion_query_size << 1;
548 GLuint *new_data = HeapReAlloc(GetProcessHeap(), 0, context->free_occlusion_queries,
549 new_size * sizeof(*context->free_occlusion_queries));
550
551 if (!new_data)
552 {
553 ERR("Failed to grow free list, leaking query %u in context %p.\n", query->id, context);
554 return;
555 }
556
557 context->free_occlusion_query_size = new_size;
558 context->free_occlusion_queries = new_data;
559 }
560
561 context->free_occlusion_queries[context->free_occlusion_query_count++] = query->id;
562 }
563
564 /* Context activation is done by the caller. */
565 void context_alloc_event_query(struct wined3d_context *context, struct wined3d_event_query *query)
566 {
567 const struct wined3d_gl_info *gl_info = context->gl_info;
568
569 if (context->free_event_query_count)
570 {
571 query->object = context->free_event_queries[--context->free_event_query_count];
572 }
573 else
574 {
575 if (gl_info->supported[ARB_SYNC])
576 {
577 /* Using ARB_sync, not much to do here. */
578 query->object.sync = NULL;
579 TRACE("Allocated event query %p in context %p.\n", query->object.sync, context);
580 }
581 else if (gl_info->supported[APPLE_FENCE])
582 {
583 GL_EXTCALL(glGenFencesAPPLE(1, &query->object.id));
584 checkGLcall("glGenFencesAPPLE");
585
586 TRACE("Allocated event query %u in context %p.\n", query->object.id, context);
587 }
588 else if(gl_info->supported[NV_FENCE])
589 {
590 GL_EXTCALL(glGenFencesNV(1, &query->object.id));
591 checkGLcall("glGenFencesNV");
592
593 TRACE("Allocated event query %u in context %p.\n", query->object.id, context);
594 }
595 else
596 {
597 WARN("Event queries not supported, not allocating query id.\n");
598 query->object.id = 0;
599 }
600 }
601
602 query->context = context;
603 list_add_head(&context->event_queries, &query->entry);
604 }
605
606 void context_free_event_query(struct wined3d_event_query *query)
607 {
608 struct wined3d_context *context = query->context;
609
610 list_remove(&query->entry);
611 query->context = NULL;
612
613 if (context->free_event_query_count >= context->free_event_query_size - 1)
614 {
615 UINT new_size = context->free_event_query_size << 1;
616 union wined3d_gl_query_object *new_data = HeapReAlloc(GetProcessHeap(), 0, context->free_event_queries,
617 new_size * sizeof(*context->free_event_queries));
618
619 if (!new_data)
620 {
621 ERR("Failed to grow free list, leaking query %u in context %p.\n", query->object.id, context);
622 return;
623 }
624
625 context->free_event_query_size = new_size;
626 context->free_event_queries = new_data;
627 }
628
629 context->free_event_queries[context->free_event_query_count++] = query->object;
630 }
631
632 /* Context activation is done by the caller. */
633 void context_alloc_timestamp_query(struct wined3d_context *context, struct wined3d_timestamp_query *query)
634 {
635 const struct wined3d_gl_info *gl_info = context->gl_info;
636
637 if (context->free_timestamp_query_count)
638 {
639 query->id = context->free_timestamp_queries[--context->free_timestamp_query_count];
640 }
641 else
642 {
643 GL_EXTCALL(glGenQueries(1, &query->id));
644 checkGLcall("glGenQueries");
645
646 TRACE("Allocated timestamp query %u in context %p.\n", query->id, context);
647 }
648
649 query->context = context;
650 list_add_head(&context->timestamp_queries, &query->entry);
651 }
652
653 void context_free_timestamp_query(struct wined3d_timestamp_query *query)
654 {
655 struct wined3d_context *context = query->context;
656
657 list_remove(&query->entry);
658 query->context = NULL;
659
660 if (context->free_timestamp_query_count >= context->free_timestamp_query_size - 1)
661 {
662 UINT new_size = context->free_timestamp_query_size << 1;
663 GLuint *new_data = HeapReAlloc(GetProcessHeap(), 0, context->free_timestamp_queries,
664 new_size * sizeof(*context->free_timestamp_queries));
665
666 if (!new_data)
667 {
668 ERR("Failed to grow free list, leaking query %u in context %p.\n", query->id, context);
669 return;
670 }
671
672 context->free_timestamp_query_size = new_size;
673 context->free_timestamp_queries = new_data;
674 }
675
676 context->free_timestamp_queries[context->free_timestamp_query_count++] = query->id;
677 }
678
679 typedef void (context_fbo_entry_func_t)(struct wined3d_context *context, struct fbo_entry *entry);
680
681 static void context_enum_surface_fbo_entries(const struct wined3d_device *device,
682 const struct wined3d_surface *surface, context_fbo_entry_func_t *callback)
683 {
684 UINT i;
685
686 for (i = 0; i < device->context_count; ++i)
687 {
688 struct wined3d_context *context = device->contexts[i];
689 const struct wined3d_gl_info *gl_info = context->gl_info;
690 struct fbo_entry *entry, *entry2;
691
692 if (context->current_rt == surface) context->current_rt = NULL;
693
694 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_list, struct fbo_entry, entry)
695 {
696 UINT j;
697
698 if (entry->depth_stencil == surface)
699 {
700 callback(context, entry);
701 continue;
702 }
703
704 for (j = 0; j < gl_info->limits.buffers; ++j)
705 {
706 if (entry->render_targets[j] == surface)
707 {
708 callback(context, entry);
709 break;
710 }
711 }
712 }
713 }
714 }
715
716 static void context_queue_fbo_entry_destruction(struct wined3d_context *context, struct fbo_entry *entry)
717 {
718 list_remove(&entry->entry);
719 list_add_head(&context->fbo_destroy_list, &entry->entry);
720 }
721
722 void context_resource_released(const struct wined3d_device *device,
723 struct wined3d_resource *resource, enum wined3d_resource_type type)
724 {
725 if (!device->d3d_initialized) return;
726
727 switch (type)
728 {
729 case WINED3D_RTYPE_SURFACE:
730 context_enum_surface_fbo_entries(device, surface_from_resource(resource),
731 context_queue_fbo_entry_destruction);
732 break;
733
734 default:
735 break;
736 }
737 }
738
739 static void context_detach_fbo_entry(struct wined3d_context *context, struct fbo_entry *entry)
740 {
741 entry->attached = FALSE;
742 }
743
744 void context_resource_unloaded(const struct wined3d_device *device,
745 struct wined3d_resource *resource, enum wined3d_resource_type type)
746 {
747 switch (type)
748 {
749 case WINED3D_RTYPE_SURFACE:
750 context_enum_surface_fbo_entries(device, surface_from_resource(resource),
751 context_detach_fbo_entry);
752 break;
753
754 default:
755 break;
756 }
757 }
758
759 void context_surface_update(struct wined3d_context *context, const struct wined3d_surface *surface)
760 {
761 const struct wined3d_gl_info *gl_info = context->gl_info;
762 struct fbo_entry *entry = context->current_fbo;
763 unsigned int i;
764
765 if (!entry || context->rebind_fbo) return;
766
767 for (i = 0; i < gl_info->limits.buffers; ++i)
768 {
769 if (surface == entry->render_targets[i])
770 {
771 TRACE("Updated surface %p is bound as color attachment %u to the current FBO.\n", surface, i);
772 context->rebind_fbo = TRUE;
773 return;
774 }
775 }
776
777 if (surface == entry->depth_stencil)
778 {
779 TRACE("Updated surface %p is bound as depth attachment to the current FBO.\n", surface);
780 context->rebind_fbo = TRUE;
781 }
782 }
783
784 static BOOL context_restore_pixel_format(struct wined3d_context *ctx)
785 {
786 const struct wined3d_gl_info *gl_info = ctx->gl_info;
787 BOOL ret = FALSE;
788
789 if (ctx->restore_pf && IsWindow(ctx->restore_pf_win))
790 {
791 if (ctx->gl_info->supported[WGL_WINE_PIXEL_FORMAT_PASSTHROUGH])
792 {
793 HDC dc = GetDC(ctx->restore_pf_win);
794 if (dc)
795 {
796 if (!(ret = GL_EXTCALL(wglSetPixelFormatWINE(dc, ctx->restore_pf))))
797 {
798 ERR("wglSetPixelFormatWINE failed to restore pixel format %d on window %p.\n",
799 ctx->restore_pf, ctx->restore_pf_win);
800 }
801 ReleaseDC(ctx->restore_pf_win, dc);
802 }
803 }
804 else
805 {
806 ERR("can't restore pixel format %d on window %p\n", ctx->restore_pf, ctx->restore_pf_win);
807 }
808 }
809
810 ctx->restore_pf = 0;
811 ctx->restore_pf_win = NULL;
812 return ret;
813 }
814
815 static BOOL context_set_pixel_format(struct wined3d_context *context, HDC dc, BOOL private, int format)
816 {
817 const struct wined3d_gl_info *gl_info = context->gl_info;
818 int current;
819
820 if (dc == context->hdc && context->hdc_is_private && context->hdc_has_format)
821 return TRUE;
822
823 current = gl_info->gl_ops.wgl.p_wglGetPixelFormat(dc);
824 if (current == format) goto success;
825
826 if (!current)
827 {
828 if (!SetPixelFormat(dc, format, NULL))
829 {
830 /* This may also happen if the dc belongs to a destroyed window. */
831 WARN("Failed to set pixel format %d on device context %p, last error %#x.\n",
832 format, dc, GetLastError());
833 return FALSE;
834 }
835
836 context->restore_pf = 0;
837 context->restore_pf_win = private ? NULL : WindowFromDC(dc);
838 goto success;
839 }
840
841 /* By default WGL doesn't allow pixel format adjustments but we need it
842 * here. For this reason there's a Wine specific wglSetPixelFormat()
843 * which allows us to set the pixel format multiple times. Only use it
844 * when really needed. */
845 if (gl_info->supported[WGL_WINE_PIXEL_FORMAT_PASSTHROUGH])
846 {
847 HWND win;
848
849 if (!GL_EXTCALL(wglSetPixelFormatWINE(dc, format)))
850 {
851 ERR("wglSetPixelFormatWINE failed to set pixel format %d on device context %p.\n",
852 format, dc);
853 return FALSE;
854 }
855
856 win = private ? NULL : WindowFromDC(dc);
857 if (win != context->restore_pf_win)
858 {
859 context_restore_pixel_format(context);
860
861 context->restore_pf = private ? 0 : current;
862 context->restore_pf_win = win;
863 }
864
865 goto success;
866 }
867
868 /* OpenGL doesn't allow pixel format adjustments. Print an error and
869 * continue using the old format. There's a big chance that the old
870 * format works although with a performance hit and perhaps rendering
871 * errors. */
872 ERR("Unable to set pixel format %d on device context %p. Already using format %d.\n",
873 format, dc, current);
874 return TRUE;
875
876 success:
877 if (dc == context->hdc && context->hdc_is_private)
878 context->hdc_has_format = TRUE;
879 return TRUE;
880 }
881
882 static BOOL context_set_gl_context(struct wined3d_context *ctx)
883 {
884 struct wined3d_swapchain *swapchain = ctx->swapchain;
885 BOOL backup = FALSE;
886
887 if (!context_set_pixel_format(ctx, ctx->hdc, ctx->hdc_is_private, ctx->pixel_format))
888 {
889 WARN("Failed to set pixel format %d on device context %p.\n",
890 ctx->pixel_format, ctx->hdc);
891 backup = TRUE;
892 }
893
894 if (backup || !wglMakeCurrent(ctx->hdc, ctx->glCtx))
895 {
896 HDC dc;
897
898 WARN("Failed to make GL context %p current on device context %p, last error %#x.\n",
899 ctx->glCtx, ctx->hdc, GetLastError());
900 ctx->valid = 0;
901 WARN("Trying fallback to the backup window.\n");
902
903 /* FIXME: If the context is destroyed it's no longer associated with
904 * a swapchain, so we can't use the swapchain to get a backup dc. To
905 * make this work windowless contexts would need to be handled by the
906 * device. */
907 if (ctx->destroyed)
908 {
909 FIXME("Unable to get backup dc for destroyed context %p.\n", ctx);
910 context_set_current(NULL);
911 return FALSE;
912 }
913
914 if (!(dc = swapchain_get_backup_dc(swapchain)))
915 {
916 context_set_current(NULL);
917 return FALSE;
918 }
919
920 if (!context_set_pixel_format(ctx, dc, TRUE, ctx->pixel_format))
921 {
922 ERR("Failed to set pixel format %d on device context %p.\n",
923 ctx->pixel_format, dc);
924 context_set_current(NULL);
925 return FALSE;
926 }
927
928 if (!wglMakeCurrent(dc, ctx->glCtx))
929 {
930 ERR("Fallback to backup window (dc %p) failed too, last error %#x.\n",
931 dc, GetLastError());
932 context_set_current(NULL);
933 return FALSE;
934 }
935
936 ctx->valid = 1;
937 }
938 ctx->needs_set = 0;
939 return TRUE;
940 }
941
942 static void context_restore_gl_context(const struct wined3d_gl_info *gl_info, HDC dc, HGLRC gl_ctx)
943 {
944 if (!wglMakeCurrent(dc, gl_ctx))
945 {
946 ERR("Failed to restore GL context %p on device context %p, last error %#x.\n",
947 gl_ctx, dc, GetLastError());
948 context_set_current(NULL);
949 }
950 }
951
952 static void context_update_window(struct wined3d_context *context)
953 {
954 if (context->win_handle == context->swapchain->win_handle)
955 return;
956
957 TRACE("Updating context %p window from %p to %p.\n",
958 context, context->win_handle, context->swapchain->win_handle);
959
960 if (context->hdc)
961 wined3d_release_dc(context->win_handle, context->hdc);
962
963 context->win_handle = context->swapchain->win_handle;
964 context->hdc_is_private = FALSE;
965 context->hdc_has_format = FALSE;
966 context->needs_set = 1;
967 context->valid = 1;
968
969 if (!(context->hdc = GetDC(context->win_handle)))
970 {
971 ERR("Failed to get a device context for window %p.\n", context->win_handle);
972 context->valid = 0;
973 }
974 }
975
976 static void context_destroy_gl_resources(struct wined3d_context *context)
977 {
978 const struct wined3d_gl_info *gl_info = context->gl_info;
979 struct wined3d_timestamp_query *timestamp_query;
980 struct wined3d_occlusion_query *occlusion_query;
981 struct wined3d_event_query *event_query;
982 struct fbo_entry *entry, *entry2;
983 HGLRC restore_ctx;
984 HDC restore_dc;
985 unsigned int i;
986
987 restore_ctx = wglGetCurrentContext();
988 restore_dc = wglGetCurrentDC();
989
990 if (restore_ctx == context->glCtx)
991 restore_ctx = NULL;
992 else if (context->valid)
993 context_set_gl_context(context);
994
995 LIST_FOR_EACH_ENTRY(timestamp_query, &context->timestamp_queries, struct wined3d_timestamp_query, entry)
996 {
997 if (context->valid)
998 GL_EXTCALL(glDeleteQueries(1, &timestamp_query->id));
999 timestamp_query->context = NULL;
1000 }
1001
1002 LIST_FOR_EACH_ENTRY(occlusion_query, &context->occlusion_queries, struct wined3d_occlusion_query, entry)
1003 {
1004 if (context->valid && gl_info->supported[ARB_OCCLUSION_QUERY])
1005 GL_EXTCALL(glDeleteQueries(1, &occlusion_query->id));
1006 occlusion_query->context = NULL;
1007 }
1008
1009 LIST_FOR_EACH_ENTRY(event_query, &context->event_queries, struct wined3d_event_query, entry)
1010 {
1011 if (context->valid)
1012 {
1013 if (gl_info->supported[ARB_SYNC])
1014 {
1015 if (event_query->object.sync) GL_EXTCALL(glDeleteSync(event_query->object.sync));
1016 }
1017 else if (gl_info->supported[APPLE_FENCE]) GL_EXTCALL(glDeleteFencesAPPLE(1, &event_query->object.id));
1018 else if (gl_info->supported[NV_FENCE]) GL_EXTCALL(glDeleteFencesNV(1, &event_query->object.id));
1019 }
1020 event_query->context = NULL;
1021 }
1022
1023 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_destroy_list, struct fbo_entry, entry)
1024 {
1025 if (!context->valid) entry->id = 0;
1026 context_destroy_fbo_entry(context, entry);
1027 }
1028
1029 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_list, struct fbo_entry, entry)
1030 {
1031 if (!context->valid) entry->id = 0;
1032 context_destroy_fbo_entry(context, entry);
1033 }
1034
1035 if (context->valid)
1036 {
1037 if (context->dummy_arbfp_prog)
1038 {
1039 GL_EXTCALL(glDeleteProgramsARB(1, &context->dummy_arbfp_prog));
1040 }
1041
1042 if (gl_info->supported[ARB_TIMER_QUERY])
1043 GL_EXTCALL(glDeleteQueries(context->free_timestamp_query_count, context->free_timestamp_queries));
1044
1045 if (gl_info->supported[ARB_OCCLUSION_QUERY])
1046 GL_EXTCALL(glDeleteQueries(context->free_occlusion_query_count, context->free_occlusion_queries));
1047
1048 if (gl_info->supported[ARB_SYNC])
1049 {
1050 for (i = 0; i < context->free_event_query_count; ++i)
1051 {
1052 GL_EXTCALL(glDeleteSync(context->free_event_queries[i].sync));
1053 }
1054 }
1055 else if (gl_info->supported[APPLE_FENCE])
1056 {
1057 for (i = 0; i < context->free_event_query_count; ++i)
1058 {
1059 GL_EXTCALL(glDeleteFencesAPPLE(1, &context->free_event_queries[i].id));
1060 }
1061 }
1062 else if (gl_info->supported[NV_FENCE])
1063 {
1064 for (i = 0; i < context->free_event_query_count; ++i)
1065 {
1066 GL_EXTCALL(glDeleteFencesNV(1, &context->free_event_queries[i].id));
1067 }
1068 }
1069
1070 checkGLcall("context cleanup");
1071 }
1072
1073 HeapFree(GetProcessHeap(), 0, context->free_timestamp_queries);
1074 HeapFree(GetProcessHeap(), 0, context->free_occlusion_queries);
1075 HeapFree(GetProcessHeap(), 0, context->free_event_queries);
1076
1077 context_restore_pixel_format(context);
1078 if (restore_ctx)
1079 {
1080 context_restore_gl_context(gl_info, restore_dc, restore_ctx);
1081 }
1082 else if (wglGetCurrentContext() && !wglMakeCurrent(NULL, NULL))
1083 {
1084 ERR("Failed to disable GL context.\n");
1085 }
1086
1087 wined3d_release_dc(context->win_handle, context->hdc);
1088
1089 if (!wglDeleteContext(context->glCtx))
1090 {
1091 DWORD err = GetLastError();
1092 ERR("wglDeleteContext(%p) failed, last error %#x.\n", context->glCtx, err);
1093 }
1094 }
1095
1096 DWORD context_get_tls_idx(void)
1097 {
1098 return wined3d_context_tls_idx;
1099 }
1100
1101 void context_set_tls_idx(DWORD idx)
1102 {
1103 wined3d_context_tls_idx = idx;
1104 }
1105
1106 struct wined3d_context *context_get_current(void)
1107 {
1108 return TlsGetValue(wined3d_context_tls_idx);
1109 }
1110
1111 BOOL context_set_current(struct wined3d_context *ctx)
1112 {
1113 struct wined3d_context *old = context_get_current();
1114
1115 if (old == ctx)
1116 {
1117 TRACE("Already using D3D context %p.\n", ctx);
1118 return TRUE;
1119 }
1120
1121 if (old)
1122 {
1123 if (old->destroyed)
1124 {
1125 TRACE("Switching away from destroyed context %p.\n", old);
1126 context_destroy_gl_resources(old);
1127 HeapFree(GetProcessHeap(), 0, (void *)old->gl_info);
1128 HeapFree(GetProcessHeap(), 0, old);
1129 }
1130 else
1131 {
1132 old->current = 0;
1133 }
1134 }
1135
1136 if (ctx)
1137 {
1138 if (!ctx->valid)
1139 {
1140 ERR("Trying to make invalid context %p current\n", ctx);
1141 return FALSE;
1142 }
1143
1144 TRACE("Switching to D3D context %p, GL context %p, device context %p.\n", ctx, ctx->glCtx, ctx->hdc);
1145 if (!context_set_gl_context(ctx))
1146 return FALSE;
1147 ctx->current = 1;
1148 }
1149 else if(wglGetCurrentContext())
1150 {
1151 TRACE("Clearing current D3D context.\n");
1152 if (!wglMakeCurrent(NULL, NULL))
1153 {
1154 DWORD err = GetLastError();
1155 ERR("Failed to clear current GL context, last error %#x.\n", err);
1156 TlsSetValue(wined3d_context_tls_idx, NULL);
1157 return FALSE;
1158 }
1159 }
1160
1161 return TlsSetValue(wined3d_context_tls_idx, ctx);
1162 }
1163
1164 void context_release(struct wined3d_context *context)
1165 {
1166 TRACE("Releasing context %p, level %u.\n", context, context->level);
1167
1168 if (WARN_ON(d3d))
1169 {
1170 if (!context->level)
1171 WARN("Context %p is not active.\n", context);
1172 else if (context != context_get_current())
1173 WARN("Context %p is not the current context.\n", context);
1174 }
1175
1176 if (!--context->level)
1177 {
1178 if (context_restore_pixel_format(context))
1179 context->needs_set = 1;
1180 if (context->restore_ctx)
1181 {
1182 TRACE("Restoring GL context %p on device context %p.\n", context->restore_ctx, context->restore_dc);
1183 context_restore_gl_context(context->gl_info, context->restore_dc, context->restore_ctx);
1184 context->restore_ctx = NULL;
1185 context->restore_dc = NULL;
1186 }
1187 }
1188 }
1189
1190 /* This is used when a context for render target A is active, but a separate context is
1191 * needed to access the WGL framebuffer for render target B. Re-acquire a context for rt
1192 * A to avoid breaking caller code. */
1193 void context_restore(struct wined3d_context *context, struct wined3d_surface *restore)
1194 {
1195 if (context->current_rt != restore)
1196 {
1197 context_release(context);
1198 context = context_acquire(restore->resource.device, restore);
1199 }
1200
1201 context_release(context);
1202 }
1203
1204 static void context_enter(struct wined3d_context *context)
1205 {
1206 TRACE("Entering context %p, level %u.\n", context, context->level + 1);
1207
1208 if (!context->level++)
1209 {
1210 const struct wined3d_context *current_context = context_get_current();
1211 HGLRC current_gl = wglGetCurrentContext();
1212
1213 if (current_gl && (!current_context || current_context->glCtx != current_gl))
1214 {
1215 TRACE("Another GL context (%p on device context %p) is already current.\n",
1216 current_gl, wglGetCurrentDC());
1217 context->restore_ctx = current_gl;
1218 context->restore_dc = wglGetCurrentDC();
1219 context->needs_set = 1;
1220 }
1221 else if (!context->needs_set && !(context->hdc_is_private && context->hdc_has_format)
1222 && context->pixel_format != context->gl_info->gl_ops.wgl.p_wglGetPixelFormat(context->hdc))
1223 context->needs_set = 1;
1224 }
1225 }
1226
1227 void context_invalidate_state(struct wined3d_context *context, DWORD state)
1228 {
1229 DWORD rep = context->state_table[state].representative;
1230 DWORD idx;
1231 BYTE shift;
1232
1233 if (isStateDirty(context, rep)) return;
1234
1235 context->dirtyArray[context->numDirtyEntries++] = rep;
1236 idx = rep / (sizeof(*context->isStateDirty) * CHAR_BIT);
1237 shift = rep & ((sizeof(*context->isStateDirty) * CHAR_BIT) - 1);
1238 context->isStateDirty[idx] |= (1u << shift);
1239 }
1240
1241 /* This function takes care of wined3d pixel format selection. */
1242 static int context_choose_pixel_format(const struct wined3d_device *device, HDC hdc,
1243 const struct wined3d_format *color_format, const struct wined3d_format *ds_format,
1244 BOOL auxBuffers, BOOL findCompatible)
1245 {
1246 int iPixelFormat=0;
1247 unsigned int current_value;
1248 unsigned int cfg_count = device->adapter->cfg_count;
1249 unsigned int i;
1250
1251 TRACE("device %p, dc %p, color_format %s, ds_format %s, aux_buffers %#x, find_compatible %#x.\n",
1252 device, hdc, debug_d3dformat(color_format->id), debug_d3dformat(ds_format->id),
1253 auxBuffers, findCompatible);
1254
1255 current_value = 0;
1256 for (i = 0; i < cfg_count; ++i)
1257 {
1258 const struct wined3d_pixel_format *cfg = &device->adapter->cfgs[i];
1259 unsigned int value;
1260
1261 /* For now only accept RGBA formats. Perhaps some day we will
1262 * allow floating point formats for pbuffers. */
1263 if (cfg->iPixelType != WGL_TYPE_RGBA_ARB)
1264 continue;
1265 /* In window mode we need a window drawable format and double buffering. */
1266 if (!(cfg->windowDrawable && cfg->doubleBuffer))
1267 continue;
1268 if (cfg->redSize < color_format->red_size)
1269 continue;
1270 if (cfg->greenSize < color_format->green_size)
1271 continue;
1272 if (cfg->blueSize < color_format->blue_size)
1273 continue;
1274 if (cfg->alphaSize < color_format->alpha_size)
1275 continue;
1276 if (cfg->depthSize < ds_format->depth_size)
1277 continue;
1278 if (ds_format->stencil_size && cfg->stencilSize != ds_format->stencil_size)
1279 continue;
1280 /* Check multisampling support. */
1281 if (cfg->numSamples)
1282 continue;
1283
1284 value = 1;
1285 /* We try to locate a format which matches our requirements exactly. In case of
1286 * depth it is no problem to emulate 16-bit using e.g. 24-bit, so accept that. */
1287 if (cfg->depthSize == ds_format->depth_size)
1288 value += 1;
1289 if (cfg->stencilSize == ds_format->stencil_size)
1290 value += 2;
1291 if (cfg->alphaSize == color_format->alpha_size)
1292 value += 4;
1293 /* We like to have aux buffers in backbuffer mode */
1294 if (auxBuffers && cfg->auxBuffers)
1295 value += 8;
1296 if (cfg->redSize == color_format->red_size
1297 && cfg->greenSize == color_format->green_size
1298 && cfg->blueSize == color_format->blue_size)
1299 value += 16;
1300
1301 if (value > current_value)
1302 {
1303 iPixelFormat = cfg->iPixelFormat;
1304 current_value = value;
1305 }
1306 }
1307
1308 /* When findCompatible is set and no suitable format was found, let ChoosePixelFormat choose a pixel format in order not to crash. */
1309 if(!iPixelFormat && !findCompatible) {
1310 ERR("Can't find a suitable iPixelFormat\n");
1311 return FALSE;
1312 } else if(!iPixelFormat) {
1313 PIXELFORMATDESCRIPTOR pfd;
1314
1315 TRACE("Falling back to ChoosePixelFormat as we weren't able to find an exactly matching pixel format\n");
1316 /* PixelFormat selection */
1317 ZeroMemory(&pfd, sizeof(pfd));
1318 pfd.nSize = sizeof(pfd);
1319 pfd.nVersion = 1;
1320 pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER | PFD_DRAW_TO_WINDOW;/*PFD_GENERIC_ACCELERATED*/
1321 pfd.iPixelType = PFD_TYPE_RGBA;
1322 pfd.cAlphaBits = color_format->alpha_size;
1323 pfd.cColorBits = color_format->red_size + color_format->green_size
1324 + color_format->blue_size + color_format->alpha_size;
1325 pfd.cDepthBits = ds_format->depth_size;
1326 pfd.cStencilBits = ds_format->stencil_size;
1327 pfd.iLayerType = PFD_MAIN_PLANE;
1328
1329 iPixelFormat = ChoosePixelFormat(hdc, &pfd);
1330 if(!iPixelFormat) {
1331 /* If this happens something is very wrong as ChoosePixelFormat barely fails */
1332 ERR("Can't find a suitable iPixelFormat\n");
1333 return FALSE;
1334 }
1335 }
1336
1337 TRACE("Found iPixelFormat=%d for ColorFormat=%s, DepthStencilFormat=%s\n",
1338 iPixelFormat, debug_d3dformat(color_format->id), debug_d3dformat(ds_format->id));
1339 return iPixelFormat;
1340 }
1341
1342 /* Context activation is done by the caller. */
1343 static void bind_dummy_textures(const struct wined3d_device *device, const struct wined3d_context *context)
1344 {
1345 const struct wined3d_gl_info *gl_info = context->gl_info;
1346 unsigned int i, count = min(MAX_COMBINED_SAMPLERS, gl_info->limits.combined_samplers);
1347
1348 for (i = 0; i < count; ++i)
1349 {
1350 GL_EXTCALL(glActiveTexture(GL_TEXTURE0 + i));
1351 checkGLcall("glActiveTexture");
1352
1353 gl_info->gl_ops.gl.p_glBindTexture(GL_TEXTURE_2D, device->dummy_texture_2d[i]);
1354 checkGLcall("glBindTexture");
1355
1356 if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
1357 {
1358 gl_info->gl_ops.gl.p_glBindTexture(GL_TEXTURE_RECTANGLE_ARB, device->dummy_texture_rect[i]);
1359 checkGLcall("glBindTexture");
1360 }
1361
1362 if (gl_info->supported[EXT_TEXTURE3D])
1363 {
1364 gl_info->gl_ops.gl.p_glBindTexture(GL_TEXTURE_3D, device->dummy_texture_3d[i]);
1365 checkGLcall("glBindTexture");
1366 }
1367
1368 if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
1369 {
1370 gl_info->gl_ops.gl.p_glBindTexture(GL_TEXTURE_CUBE_MAP, device->dummy_texture_cube[i]);
1371 checkGLcall("glBindTexture");
1372 }
1373 }
1374 }
1375
1376 static BOOL context_debug_output_enabled(const struct wined3d_gl_info *gl_info)
1377 {
1378 return gl_info->supported[ARB_DEBUG_OUTPUT]
1379 && (ERR_ON(d3d) || FIXME_ON(d3d) || WARN_ON(d3d_perf));
1380 }
1381
1382 static void WINE_GLAPI wined3d_debug_callback(GLenum source, GLenum type, GLuint id,
1383 GLenum severity, GLsizei length, const char *message, void *ctx)
1384 {
1385 switch (type)
1386 {
1387 case GL_DEBUG_TYPE_ERROR_ARB:
1388 ERR("%p: %s.\n", ctx, debugstr_an(message, length));
1389 break;
1390
1391 case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB:
1392 case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB:
1393 case GL_DEBUG_TYPE_PORTABILITY_ARB:
1394 FIXME("%p: %s.\n", ctx, debugstr_an(message, length));
1395 break;
1396
1397 case GL_DEBUG_TYPE_PERFORMANCE_ARB:
1398 WARN_(d3d_perf)("%p: %s.\n", ctx, debugstr_an(message, length));
1399 break;
1400
1401 default:
1402 FIXME("ctx %p, type %#x: %s.\n", ctx, type, debugstr_an(message, length));
1403 break;
1404 }
1405 }
1406
1407 HGLRC context_create_wgl_attribs(const struct wined3d_gl_info *gl_info, HDC hdc, HGLRC share_ctx)
1408 {
1409 HGLRC ctx;
1410 unsigned int ctx_attrib_idx = 0;
1411 GLint ctx_attribs[7], ctx_flags = 0;
1412
1413 if (context_debug_output_enabled(gl_info))
1414 ctx_flags = WGL_CONTEXT_DEBUG_BIT_ARB;
1415 ctx_attribs[ctx_attrib_idx++] = WGL_CONTEXT_MAJOR_VERSION_ARB;
1416 ctx_attribs[ctx_attrib_idx++] = gl_info->selected_gl_version >> 16;
1417 ctx_attribs[ctx_attrib_idx++] = WGL_CONTEXT_MINOR_VERSION_ARB;
1418 ctx_attribs[ctx_attrib_idx++] = gl_info->selected_gl_version & 0xffff;
1419 if (gl_info->selected_gl_version >= MAKEDWORD_VERSION(3, 2))
1420 ctx_flags |= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
1421 if (ctx_flags)
1422 {
1423 ctx_attribs[ctx_attrib_idx++] = WGL_CONTEXT_FLAGS_ARB;
1424 ctx_attribs[ctx_attrib_idx++] = ctx_flags;
1425 }
1426 ctx_attribs[ctx_attrib_idx] = 0;
1427
1428 if (!(ctx = gl_info->p_wglCreateContextAttribsARB(hdc, share_ctx, ctx_attribs)))
1429 {
1430 if (ctx_flags & WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB)
1431 {
1432 ctx_attribs[ctx_attrib_idx - 1] &= ~WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
1433 if (!(ctx = gl_info->p_wglCreateContextAttribsARB(hdc, share_ctx, ctx_attribs)))
1434 WARN("Failed to create a WGL context with wglCreateContextAttribsARB, last error %#x.\n",
1435 GetLastError());
1436 }
1437 }
1438 return ctx;
1439 }
1440
1441 struct wined3d_context *context_create(struct wined3d_swapchain *swapchain,
1442 struct wined3d_surface *target, const struct wined3d_format *ds_format)
1443 {
1444 struct wined3d_device *device = swapchain->device;
1445 const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
1446 const struct wined3d_format *color_format;
1447 struct wined3d_context *ret;
1448 BOOL auxBuffers = FALSE;
1449 HGLRC ctx, share_ctx;
1450 int pixel_format;
1451 unsigned int s;
1452 int swap_interval;
1453 DWORD state;
1454 HDC hdc;
1455 BOOL hdc_is_private = FALSE;
1456
1457 TRACE("swapchain %p, target %p, window %p.\n", swapchain, target, swapchain->win_handle);
1458
1459 ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret));
1460 if (!ret)
1461 return NULL;
1462
1463 ret->blit_targets = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1464 gl_info->limits.buffers * sizeof(*ret->blit_targets));
1465 if (!ret->blit_targets)
1466 goto out;
1467
1468 ret->draw_buffers = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1469 gl_info->limits.buffers * sizeof(*ret->draw_buffers));
1470 if (!ret->draw_buffers)
1471 goto out;
1472
1473 ret->free_timestamp_query_size = 4;
1474 ret->free_timestamp_queries = HeapAlloc(GetProcessHeap(), 0,
1475 ret->free_timestamp_query_size * sizeof(*ret->free_timestamp_queries));
1476 if (!ret->free_timestamp_queries)
1477 goto out;
1478 list_init(&ret->timestamp_queries);
1479
1480 ret->free_occlusion_query_size = 4;
1481 ret->free_occlusion_queries = HeapAlloc(GetProcessHeap(), 0,
1482 ret->free_occlusion_query_size * sizeof(*ret->free_occlusion_queries));
1483 if (!ret->free_occlusion_queries)
1484 goto out;
1485
1486 list_init(&ret->occlusion_queries);
1487
1488 ret->free_event_query_size = 4;
1489 ret->free_event_queries = HeapAlloc(GetProcessHeap(), 0,
1490 ret->free_event_query_size * sizeof(*ret->free_event_queries));
1491 if (!ret->free_event_queries)
1492 goto out;
1493
1494 list_init(&ret->event_queries);
1495 list_init(&ret->fbo_list);
1496 list_init(&ret->fbo_destroy_list);
1497
1498 if (!device->shader_backend->shader_allocate_context_data(ret))
1499 {
1500 ERR("Failed to allocate shader backend context data.\n");
1501 goto out;
1502 }
1503 if (!device->adapter->fragment_pipe->allocate_context_data(ret))
1504 {
1505 ERR("Failed to allocate fragment pipeline context data.\n");
1506 goto out;
1507 }
1508
1509 /* Initialize the texture unit mapping to a 1:1 mapping */
1510 for (s = 0; s < MAX_COMBINED_SAMPLERS; ++s)
1511 {
1512 if (s < gl_info->limits.combined_samplers)
1513 {
1514 ret->tex_unit_map[s] = s;
1515 ret->rev_tex_unit_map[s] = s;
1516 }
1517 else
1518 {
1519 ret->tex_unit_map[s] = WINED3D_UNMAPPED_STAGE;
1520 ret->rev_tex_unit_map[s] = WINED3D_UNMAPPED_STAGE;
1521 }
1522 }
1523
1524 if (!(hdc = GetDC(swapchain->win_handle)))
1525 {
1526 WARN("Failed to retrieve device context, trying swapchain backup.\n");
1527
1528 if ((hdc = swapchain_get_backup_dc(swapchain)))
1529 hdc_is_private = TRUE;
1530 else
1531 {
1532 ERR("Failed to retrieve a device context.\n");
1533 goto out;
1534 }
1535 }
1536
1537 color_format = target->resource.format;
1538
1539 /* In case of ORM_BACKBUFFER, make sure to request an alpha component for
1540 * X4R4G4B4/X8R8G8B8 as we might need it for the backbuffer. */
1541 if (wined3d_settings.offscreen_rendering_mode == ORM_BACKBUFFER)
1542 {
1543 auxBuffers = TRUE;
1544
1545 if (color_format->id == WINED3DFMT_B4G4R4X4_UNORM)
1546 color_format = wined3d_get_format(gl_info, WINED3DFMT_B4G4R4A4_UNORM);
1547 else if (color_format->id == WINED3DFMT_B8G8R8X8_UNORM)
1548 color_format = wined3d_get_format(gl_info, WINED3DFMT_B8G8R8A8_UNORM);
1549 }
1550
1551 /* DirectDraw supports 8bit paletted render targets and these are used by
1552 * old games like StarCraft and C&C. Most modern hardware doesn't support
1553 * 8bit natively so we perform some form of 8bit -> 32bit conversion. The
1554 * conversion (ab)uses the alpha component for storing the palette index.
1555 * For this reason we require a format with 8bit alpha, so request
1556 * A8R8G8B8. */
1557 if (color_format->id == WINED3DFMT_P8_UINT)
1558 color_format = wined3d_get_format(gl_info, WINED3DFMT_B8G8R8A8_UNORM);
1559
1560 /* When "always_offscreen" is enabled, we only use the drawable for
1561 * presentation blits, and don't do any rendering to it. That means we
1562 * don't need depth or stencil buffers, and can mostly ignore the render
1563 * target format. This wouldn't necessarily be quite correct for 10bpc
1564 * display modes, but we don't currently support those.
1565 * Using the same format regardless of the color/depth/stencil targets
1566 * makes it much less likely that different wined3d instances will set
1567 * conflicting pixel formats. */
1568 if (wined3d_settings.always_offscreen)
1569 {
1570 color_format = wined3d_get_format(gl_info, WINED3DFMT_B8G8R8A8_UNORM);
1571 ds_format = wined3d_get_format(gl_info, WINED3DFMT_UNKNOWN);
1572 }
1573
1574 /* Try to find a pixel format which matches our requirements. */
1575 pixel_format = context_choose_pixel_format(device, hdc, color_format, ds_format, auxBuffers, FALSE);
1576
1577 /* Try to locate a compatible format if we weren't able to find anything. */
1578 if (!pixel_format)
1579 {
1580 TRACE("Trying to locate a compatible pixel format because an exact match failed.\n");
1581 pixel_format = context_choose_pixel_format(device, hdc, color_format, ds_format, auxBuffers, TRUE);
1582 }
1583
1584 /* If we still don't have a pixel format, something is very wrong as ChoosePixelFormat barely fails */
1585 if (!pixel_format)
1586 {
1587 ERR("Can't find a suitable pixel format.\n");
1588 goto out;
1589 }
1590
1591 ret->gl_info = gl_info;
1592
1593 context_enter(ret);
1594
1595 if (!context_set_pixel_format(ret, hdc, hdc_is_private, pixel_format))
1596 {
1597 ERR("Failed to set pixel format %d on device context %p.\n", pixel_format, hdc);
1598 context_release(ret);
1599 goto out;
1600 }
1601
1602 share_ctx = device->context_count ? device->contexts[0]->glCtx : NULL;
1603 if (gl_info->p_wglCreateContextAttribsARB)
1604 {
1605 if (!(ctx = context_create_wgl_attribs(gl_info, hdc, share_ctx)))
1606 goto out;
1607 }
1608 else
1609 {
1610 if (!(ctx = wglCreateContext(hdc)))
1611 {
1612 ERR("Failed to create a WGL context.\n");
1613 context_release(ret);
1614 goto out;
1615 }
1616
1617 if (share_ctx && !wglShareLists(share_ctx, ctx))
1618 {
1619 ERR("wglShareLists(%p, %p) failed, last error %#x.\n", share_ctx, ctx, GetLastError());
1620 context_release(ret);
1621 if (!wglDeleteContext(ctx))
1622 ERR("wglDeleteContext(%p) failed, last error %#x.\n", ctx, GetLastError());
1623 goto out;
1624 }
1625 }
1626
1627 if (!device_context_add(device, ret))
1628 {
1629 ERR("Failed to add the newly created context to the context list\n");
1630 context_release(ret);
1631 if (!wglDeleteContext(ctx))
1632 ERR("wglDeleteContext(%p) failed, last error %#x.\n", ctx, GetLastError());
1633 goto out;
1634 }
1635
1636 ret->d3d_info = &device->adapter->d3d_info;
1637 ret->state_table = device->StateTable;
1638
1639 /* Mark all states dirty to force a proper initialization of the states
1640 * on the first use of the context. */
1641 for (state = 0; state <= STATE_HIGHEST; ++state)
1642 {
1643 if (ret->state_table[state].representative)
1644 context_invalidate_state(ret, state);
1645 }
1646
1647 ret->swapchain = swapchain;
1648 ret->current_rt = target;
1649 ret->tid = GetCurrentThreadId();
1650
1651 ret->render_offscreen = wined3d_resource_is_offscreen(&target->container->resource);
1652 ret->draw_buffers_mask = context_generate_rt_mask(GL_BACK);
1653 ret->valid = 1;
1654
1655 ret->glCtx = ctx;
1656 ret->win_handle = swapchain->win_handle;
1657 ret->hdc = hdc;
1658 ret->hdc_is_private = hdc_is_private;
1659 ret->hdc_has_format = TRUE;
1660 ret->pixel_format = pixel_format;
1661 ret->needs_set = 1;
1662
1663 /* Set up the context defaults */
1664 if (!context_set_current(ret))
1665 {
1666 ERR("Cannot activate context to set up defaults.\n");
1667 device_context_remove(device, ret);
1668 context_release(ret);
1669 if (!wglDeleteContext(ctx))
1670 ERR("wglDeleteContext(%p) failed, last error %#x.\n", ctx, GetLastError());
1671 goto out;
1672 }
1673
1674 if (context_debug_output_enabled(gl_info))
1675 {
1676 GL_EXTCALL(glDebugMessageCallback(wined3d_debug_callback, ret));
1677 if (TRACE_ON(d3d_synchronous))
1678 gl_info->gl_ops.gl.p_glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
1679 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_FALSE));
1680 if (ERR_ON(d3d))
1681 {
1682 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE, GL_DEBUG_TYPE_ERROR,
1683 GL_DONT_CARE, 0, NULL, GL_TRUE));
1684 }
1685 if (FIXME_ON(d3d))
1686 {
1687 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE, GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR,
1688 GL_DONT_CARE, 0, NULL, GL_TRUE));
1689 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE, GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR,
1690 GL_DONT_CARE, 0, NULL, GL_TRUE));
1691 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE, GL_DEBUG_TYPE_PORTABILITY,
1692 GL_DONT_CARE, 0, NULL, GL_TRUE));
1693 }
1694 if (WARN_ON(d3d_perf))
1695 {
1696 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE, GL_DEBUG_TYPE_PERFORMANCE,
1697 GL_DONT_CARE, 0, NULL, GL_TRUE));
1698 }
1699 }
1700
1701 switch (swapchain->desc.swap_interval)
1702 {
1703 case WINED3DPRESENT_INTERVAL_IMMEDIATE:
1704 swap_interval = 0;
1705 break;
1706 case WINED3DPRESENT_INTERVAL_DEFAULT:
1707 case WINED3DPRESENT_INTERVAL_ONE:
1708 swap_interval = 1;
1709 break;
1710 case WINED3DPRESENT_INTERVAL_TWO:
1711 swap_interval = 2;
1712 break;
1713 case WINED3DPRESENT_INTERVAL_THREE:
1714 swap_interval = 3;
1715 break;
1716 case WINED3DPRESENT_INTERVAL_FOUR:
1717 swap_interval = 4;
1718 break;
1719 default:
1720 FIXME("Unknown swap interval %#x.\n", swapchain->desc.swap_interval);
1721 swap_interval = 1;
1722 }
1723
1724 if (gl_info->supported[WGL_EXT_SWAP_CONTROL])
1725 {
1726 if (!GL_EXTCALL(wglSwapIntervalEXT(swap_interval)))
1727 ERR("wglSwapIntervalEXT failed to set swap interval %d for context %p, last error %#x\n",
1728 swap_interval, ret, GetLastError());
1729 }
1730
1731 gl_info->gl_ops.gl.p_glGetIntegerv(GL_AUX_BUFFERS, &ret->aux_buffers);
1732
1733 TRACE("Setting up the screen\n");
1734
1735 gl_info->gl_ops.gl.p_glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
1736 checkGLcall("glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);");
1737
1738 gl_info->gl_ops.gl.p_glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
1739 checkGLcall("glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);");
1740
1741 gl_info->gl_ops.gl.p_glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
1742 checkGLcall("glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);");
1743
1744 gl_info->gl_ops.gl.p_glPixelStorei(GL_PACK_ALIGNMENT, device->surface_alignment);
1745 checkGLcall("glPixelStorei(GL_PACK_ALIGNMENT, device->surface_alignment);");
1746 gl_info->gl_ops.gl.p_glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
1747 checkGLcall("glPixelStorei(GL_UNPACK_ALIGNMENT, device->surface_alignment);");
1748
1749 if (!gl_info->supported[WINED3D_GL_LEGACY_CONTEXT])
1750 {
1751 GLuint vao;
1752
1753 GL_EXTCALL(glGenVertexArrays(1, &vao));
1754 GL_EXTCALL(glBindVertexArray(vao));
1755 checkGLcall("creating VAO");
1756 }
1757
1758 if (gl_info->supported[ARB_VERTEX_BLEND])
1759 {
1760 /* Direct3D always uses n-1 weights for n world matrices and uses
1761 * 1 - sum for the last one this is equal to GL_WEIGHT_SUM_UNITY_ARB.
1762 * Enabling it doesn't do anything unless GL_VERTEX_BLEND_ARB isn't
1763 * enabled as well. */
1764 gl_info->gl_ops.gl.p_glEnable(GL_WEIGHT_SUM_UNITY_ARB);
1765 checkGLcall("glEnable(GL_WEIGHT_SUM_UNITY_ARB)");
1766 }
1767 if (gl_info->supported[NV_TEXTURE_SHADER2])
1768 {
1769 /* Set up the previous texture input for all shader units. This applies to bump mapping, and in d3d
1770 * the previous texture where to source the offset from is always unit - 1.
1771 */
1772 for (s = 1; s < gl_info->limits.textures; ++s)
1773 {
1774 context_active_texture(ret, gl_info, s);
1775 gl_info->gl_ops.gl.p_glTexEnvi(GL_TEXTURE_SHADER_NV,
1776 GL_PREVIOUS_TEXTURE_INPUT_NV, GL_TEXTURE0_ARB + s - 1);
1777 checkGLcall("glTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, ...");
1778 }
1779 }
1780 if (gl_info->supported[ARB_FRAGMENT_PROGRAM])
1781 {
1782 /* MacOS(radeon X1600 at least, but most likely others too) refuses to draw if GLSL and ARBFP are
1783 * enabled, but the currently bound arbfp program is 0. Enabling ARBFP with prog 0 is invalid, but
1784 * GLSL should bypass this. This causes problems in programs that never use the fixed function pipeline,
1785 * because the ARBFP extension is enabled by the ARBFP pipeline at context creation, but no program
1786 * is ever assigned.
1787 *
1788 * So make sure a program is assigned to each context. The first real ARBFP use will set a different
1789 * program and the dummy program is destroyed when the context is destroyed.
1790 */
1791 static const char dummy_program[] =
1792 "!!ARBfp1.0\n"
1793 "MOV result.color, fragment.color.primary;\n"
1794 "END\n";
1795 GL_EXTCALL(glGenProgramsARB(1, &ret->dummy_arbfp_prog));
1796 GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, ret->dummy_arbfp_prog));
1797 GL_EXTCALL(glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, strlen(dummy_program), dummy_program));
1798 }
1799
1800 if (gl_info->supported[ARB_POINT_SPRITE])
1801 {
1802 for (s = 0; s < gl_info->limits.textures; ++s)
1803 {
1804 context_active_texture(ret, gl_info, s);
1805 gl_info->gl_ops.gl.p_glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
1806 checkGLcall("glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE)");
1807 }
1808 }
1809
1810 if (gl_info->supported[ARB_PROVOKING_VERTEX])
1811 {
1812 GL_EXTCALL(glProvokingVertex(GL_FIRST_VERTEX_CONVENTION));
1813 }
1814 else if (gl_info->supported[EXT_PROVOKING_VERTEX])
1815 {
1816 GL_EXTCALL(glProvokingVertexEXT(GL_FIRST_VERTEX_CONVENTION_EXT));
1817 }
1818 device->shader_backend->shader_init_context_state(ret);
1819 ret->shader_update_mask = (1u << WINED3D_SHADER_TYPE_PIXEL)
1820 | (1u << WINED3D_SHADER_TYPE_VERTEX)
1821 | (1u << WINED3D_SHADER_TYPE_GEOMETRY);
1822
1823 /* If this happens to be the first context for the device, dummy textures
1824 * are not created yet. In that case, they will be created (and bound) by
1825 * create_dummy_textures right after this context is initialized. */
1826 if (device->dummy_texture_2d[0])
1827 bind_dummy_textures(device, ret);
1828
1829 TRACE("Created context %p.\n", ret);
1830
1831 return ret;
1832
1833 out:
1834 device->shader_backend->shader_free_context_data(ret);
1835 device->adapter->fragment_pipe->free_context_data(ret);
1836 HeapFree(GetProcessHeap(), 0, ret->free_event_queries);
1837 HeapFree(GetProcessHeap(), 0, ret->free_occlusion_queries);
1838 HeapFree(GetProcessHeap(), 0, ret->free_timestamp_queries);
1839 HeapFree(GetProcessHeap(), 0, ret->draw_buffers);
1840 HeapFree(GetProcessHeap(), 0, ret->blit_targets);
1841 HeapFree(GetProcessHeap(), 0, ret);
1842 return NULL;
1843 }
1844
1845 void context_destroy(struct wined3d_device *device, struct wined3d_context *context)
1846 {
1847 BOOL destroy;
1848
1849 TRACE("Destroying ctx %p\n", context);
1850
1851 if (context->tid == GetCurrentThreadId() || !context->current)
1852 {
1853 context_destroy_gl_resources(context);
1854 TlsSetValue(wined3d_context_tls_idx, NULL);
1855 destroy = TRUE;
1856 }
1857 else
1858 {
1859 /* Make a copy of gl_info for context_destroy_gl_resources use, the one
1860 in wined3d_adapter may go away in the meantime */
1861 struct wined3d_gl_info *gl_info = HeapAlloc(GetProcessHeap(), 0, sizeof(*gl_info));
1862 *gl_info = *context->gl_info;
1863 context->gl_info = gl_info;
1864 context->destroyed = 1;
1865 destroy = FALSE;
1866 }
1867
1868 device->shader_backend->shader_free_context_data(context);
1869 device->adapter->fragment_pipe->free_context_data(context);
1870 HeapFree(GetProcessHeap(), 0, context->draw_buffers);
1871 HeapFree(GetProcessHeap(), 0, context->blit_targets);
1872 device_context_remove(device, context);
1873 if (destroy) HeapFree(GetProcessHeap(), 0, context);
1874 }
1875
1876 /* Context activation is done by the caller. */
1877 static void set_blit_dimension(const struct wined3d_gl_info *gl_info, UINT width, UINT height)
1878 {
1879 const GLdouble projection[] =
1880 {
1881 2.0 / width, 0.0, 0.0, 0.0,
1882 0.0, 2.0 / height, 0.0, 0.0,
1883 0.0, 0.0, 2.0, 0.0,
1884 -1.0, -1.0, -1.0, 1.0,
1885 };
1886
1887 gl_info->gl_ops.gl.p_glMatrixMode(GL_PROJECTION);
1888 checkGLcall("glMatrixMode(GL_PROJECTION)");
1889 gl_info->gl_ops.gl.p_glLoadMatrixd(projection);
1890 checkGLcall("glLoadMatrixd");
1891 gl_info->gl_ops.gl.p_glViewport(0, 0, width, height);
1892 checkGLcall("glViewport");
1893 }
1894
1895 static void context_get_rt_size(const struct wined3d_context *context, SIZE *size)
1896 {
1897 const struct wined3d_surface *rt = context->current_rt;
1898
1899 if (rt->container->swapchain && rt->container->swapchain->front_buffer == rt->container)
1900 {
1901 RECT window_size;
1902
1903 GetClientRect(context->win_handle, &window_size);
1904 size->cx = window_size.right - window_size.left;
1905 size->cy = window_size.bottom - window_size.top;
1906
1907 return;
1908 }
1909
1910 size->cx = rt->resource.width;
1911 size->cy = rt->resource.height;
1912 }
1913
1914 /*****************************************************************************
1915 * SetupForBlit
1916 *
1917 * Sets up a context for DirectDraw blitting.
1918 * All texture units are disabled, texture unit 0 is set as current unit
1919 * fog, lighting, blending, alpha test, z test, scissor test, culling disabled
1920 * color writing enabled for all channels
1921 * register combiners disabled, shaders disabled
1922 * world matrix is set to identity, texture matrix 0 too
1923 * projection matrix is setup for drawing screen coordinates
1924 *
1925 * Params:
1926 * This: Device to activate the context for
1927 * context: Context to setup
1928 *
1929 *****************************************************************************/
1930 /* Context activation is done by the caller. */
1931 static void SetupForBlit(const struct wined3d_device *device, struct wined3d_context *context)
1932 {
1933 int i;
1934 const struct wined3d_gl_info *gl_info = context->gl_info;
1935 DWORD sampler;
1936 SIZE rt_size;
1937
1938 TRACE("Setting up context %p for blitting\n", context);
1939
1940 context_get_rt_size(context, &rt_size);
1941
1942 if (context->last_was_blit)
1943 {
1944 if (context->blit_w != rt_size.cx || context->blit_h != rt_size.cy)
1945 {
1946 set_blit_dimension(gl_info, rt_size.cx, rt_size.cy);
1947 context->blit_w = rt_size.cx;
1948 context->blit_h = rt_size.cy;
1949 /* No need to dirtify here, the states are still dirtified because
1950 * they weren't applied since the last SetupForBlit() call. */
1951 }
1952 TRACE("Context is already set up for blitting, nothing to do\n");
1953 return;
1954 }
1955 context->last_was_blit = TRUE;
1956
1957 /* Disable all textures. The caller can then bind a texture it wants to blit
1958 * from
1959 *
1960 * The blitting code uses (for now) the fixed function pipeline, so make sure to reset all fixed
1961 * function texture unit. No need to care for higher samplers
1962 */
1963 for (i = gl_info->limits.textures - 1; i > 0 ; --i)
1964 {
1965 sampler = context->rev_tex_unit_map[i];
1966 context_active_texture(context, gl_info, i);
1967
1968 if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
1969 {
1970 gl_info->gl_ops.gl.p_glDisable(GL_TEXTURE_CUBE_MAP_ARB);
1971 checkGLcall("glDisable GL_TEXTURE_CUBE_MAP_ARB");
1972 }
1973 gl_info->gl_ops.gl.p_glDisable(GL_TEXTURE_3D);
1974 checkGLcall("glDisable GL_TEXTURE_3D");
1975 if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
1976 {
1977 gl_info->gl_ops.gl.p_glDisable(GL_TEXTURE_RECTANGLE_ARB);
1978 checkGLcall("glDisable GL_TEXTURE_RECTANGLE_ARB");
1979 }
1980 gl_info->gl_ops.gl.p_glDisable(GL_TEXTURE_2D);
1981 checkGLcall("glDisable GL_TEXTURE_2D");
1982
1983 gl_info->gl_ops.gl.p_glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
1984 checkGLcall("glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);");
1985
1986 if (sampler != WINED3D_UNMAPPED_STAGE)
1987 {
1988 if (sampler < MAX_TEXTURES)
1989 context_invalidate_state(context, STATE_TEXTURESTAGE(sampler, WINED3D_TSS_COLOR_OP));
1990 context_invalidate_state(context, STATE_SAMPLER(sampler));
1991 }
1992 }
1993 if (gl_info->supported[ARB_SAMPLER_OBJECTS])
1994 GL_EXTCALL(glBindSampler(0, 0));
1995 context_active_texture(context, gl_info, 0);
1996
1997 sampler = context->rev_tex_unit_map[0];
1998
1999 if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
2000 {
2001 gl_info->gl_ops.gl.p_glDisable(GL_TEXTURE_CUBE_MAP_ARB);
2002 checkGLcall("glDisable GL_TEXTURE_CUBE_MAP_ARB");
2003 }
2004 gl_info->gl_ops.gl.p_glDisable(GL_TEXTURE_3D);
2005 checkGLcall("glDisable GL_TEXTURE_3D");
2006 if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
2007 {
2008 gl_info->gl_ops.gl.p_glDisable(GL_TEXTURE_RECTANGLE_ARB);
2009 checkGLcall("glDisable GL_TEXTURE_RECTANGLE_ARB");
2010 }
2011 gl_info->gl_ops.gl.p_glDisable(GL_TEXTURE_2D);
2012 checkGLcall("glDisable GL_TEXTURE_2D");
2013
2014 gl_info->gl_ops.gl.p_glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
2015
2016 gl_info->gl_ops.gl.p_glMatrixMode(GL_TEXTURE);
2017 checkGLcall("glMatrixMode(GL_TEXTURE)");
2018 gl_info->gl_ops.gl.p_glLoadIdentity();
2019 checkGLcall("glLoadIdentity()");
2020
2021 if (gl_info->supported[EXT_TEXTURE_LOD_BIAS])
2022 {
2023 gl_info->gl_ops.gl.p_glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT,
2024 GL_TEXTURE_LOD_BIAS_EXT, 0.0f);
2025 checkGLcall("glTexEnvf GL_TEXTURE_LOD_BIAS_EXT ...");
2026 }
2027
2028 if (sampler != WINED3D_UNMAPPED_STAGE)
2029 {
2030 if (sampler < MAX_TEXTURES)
2031 {
2032 context_invalidate_state(context, STATE_TRANSFORM(WINED3D_TS_TEXTURE0 + sampler));
2033 context_invalidate_state(context, STATE_TEXTURESTAGE(sampler, WINED3D_TSS_COLOR_OP));
2034 }
2035 context_invalidate_state(context, STATE_SAMPLER(sampler));
2036 }
2037
2038 /* Other misc states */
2039 gl_info->gl_ops.gl.p_glDisable(GL_ALPHA_TEST);
2040 checkGLcall("glDisable(GL_ALPHA_TEST)");
2041 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_ALPHATESTENABLE));
2042 gl_info->gl_ops.gl.p_glDisable(GL_LIGHTING);
2043 checkGLcall("glDisable GL_LIGHTING");
2044 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_LIGHTING));
2045 gl_info->gl_ops.gl.p_glDisable(GL_DEPTH_TEST);
2046 checkGLcall("glDisable GL_DEPTH_TEST");
2047 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_ZENABLE));
2048 glDisableWINE(GL_FOG);
2049 checkGLcall("glDisable GL_FOG");
2050 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_FOGENABLE));
2051 gl_info->gl_ops.gl.p_glDisable(GL_BLEND);
2052 checkGLcall("glDisable GL_BLEND");
2053 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_ALPHABLENDENABLE));
2054 gl_info->gl_ops.gl.p_glDisable(GL_CULL_FACE);
2055 checkGLcall("glDisable GL_CULL_FACE");
2056 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_CULLMODE));
2057 gl_info->gl_ops.gl.p_glDisable(GL_STENCIL_TEST);
2058 checkGLcall("glDisable GL_STENCIL_TEST");
2059 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_STENCILENABLE));
2060 gl_info->gl_ops.gl.p_glDisable(GL_SCISSOR_TEST);
2061 checkGLcall("glDisable GL_SCISSOR_TEST");
2062 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE));
2063 if (gl_info->supported[ARB_POINT_SPRITE])
2064 {
2065 gl_info->gl_ops.gl.p_glDisable(GL_POINT_SPRITE_ARB);
2066 checkGLcall("glDisable GL_POINT_SPRITE_ARB");
2067 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_POINTSPRITEENABLE));
2068 }
2069 gl_info->gl_ops.gl.p_glColorMask(GL_TRUE, GL_TRUE,GL_TRUE,GL_TRUE);
2070 checkGLcall("glColorMask");
2071 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE));
2072 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE1));
2073 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE2));
2074 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE3));
2075 if (gl_info->supported[EXT_SECONDARY_COLOR])
2076 {
2077 gl_info->gl_ops.gl.p_glDisable(GL_COLOR_SUM_EXT);
2078 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_SPECULARENABLE));
2079 checkGLcall("glDisable(GL_COLOR_SUM_EXT)");
2080 }
2081
2082 /* Setup transforms */
2083 gl_info->gl_ops.gl.p_glMatrixMode(GL_MODELVIEW);
2084 checkGLcall("glMatrixMode(GL_MODELVIEW)");
2085 gl_info->gl_ops.gl.p_glLoadIdentity();
2086 checkGLcall("glLoadIdentity()");
2087 context_invalidate_state(context, STATE_TRANSFORM(WINED3D_TS_WORLD_MATRIX(0)));
2088
2089 context->last_was_rhw = TRUE;
2090 context_invalidate_state(context, STATE_VDECL); /* because of last_was_rhw = TRUE */
2091
2092 gl_info->gl_ops.gl.p_glDisable(GL_CLIP_PLANE0); checkGLcall("glDisable(clip plane 0)");
2093 gl_info->gl_ops.gl.p_glDisable(GL_CLIP_PLANE1); checkGLcall("glDisable(clip plane 1)");
2094 gl_info->gl_ops.gl.p_glDisable(GL_CLIP_PLANE2); checkGLcall("glDisable(clip plane 2)");
2095 gl_info->gl_ops.gl.p_glDisable(GL_CLIP_PLANE3); checkGLcall("glDisable(clip plane 3)");
2096 gl_info->gl_ops.gl.p_glDisable(GL_CLIP_PLANE4); checkGLcall("glDisable(clip plane 4)");
2097 gl_info->gl_ops.gl.p_glDisable(GL_CLIP_PLANE5); checkGLcall("glDisable(clip plane 5)");
2098 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_CLIPPING));
2099
2100 set_blit_dimension(gl_info, rt_size.cx, rt_size.cy);
2101
2102 /* Disable shaders */
2103 device->shader_backend->shader_disable(device->shader_priv, context);
2104
2105 context->blit_w = rt_size.cx;
2106 context->blit_h = rt_size.cy;
2107 context_invalidate_state(context, STATE_VIEWPORT);
2108 context_invalidate_state(context, STATE_TRANSFORM(WINED3D_TS_PROJECTION));
2109 }
2110
2111 static inline BOOL is_rt_mask_onscreen(DWORD rt_mask)
2112 {
2113 return rt_mask & (1u << 31);
2114 }
2115
2116 static inline GLenum draw_buffer_from_rt_mask(DWORD rt_mask)
2117 {
2118 return rt_mask & ~(1u << 31);
2119 }
2120
2121 /* Context activation is done by the caller. */
2122 static void context_apply_draw_buffers(struct wined3d_context *context, DWORD rt_mask)
2123 {
2124 const struct wined3d_gl_info *gl_info = context->gl_info;
2125
2126 if (!rt_mask)
2127 {
2128 gl_info->gl_ops.gl.p_glDrawBuffer(GL_NONE);
2129 checkGLcall("glDrawBuffer()");
2130 }
2131 else if (is_rt_mask_onscreen(rt_mask))
2132 {
2133 gl_info->gl_ops.gl.p_glDrawBuffer(draw_buffer_from_rt_mask(rt_mask));
2134 checkGLcall("glDrawBuffer()");
2135 }
2136 else
2137 {
2138 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2139 {
2140 unsigned int i = 0;
2141
2142 while (rt_mask)
2143 {
2144 if (rt_mask & 1)
2145 context->draw_buffers[i] = GL_COLOR_ATTACHMENT0 + i;
2146 else
2147 context->draw_buffers[i] = GL_NONE;
2148
2149 rt_mask >>= 1;
2150 ++i;
2151 }
2152
2153 if (gl_info->supported[ARB_DRAW_BUFFERS])
2154 {
2155 GL_EXTCALL(glDrawBuffers(i, context->draw_buffers));
2156 checkGLcall("glDrawBuffers()");
2157 }
2158 else
2159 {
2160 gl_info->gl_ops.gl.p_glDrawBuffer(context->draw_buffers[0]);
2161 checkGLcall("glDrawBuffer()");
2162 }
2163 }
2164 else
2165 {
2166 ERR("Unexpected draw buffers mask with backbuffer ORM.\n");
2167 }
2168 }
2169 }
2170
2171 /* Context activation is done by the caller. */
2172 void context_set_draw_buffer(struct wined3d_context *context, GLenum buffer)
2173 {
2174 const struct wined3d_gl_info *gl_info = context->gl_info;
2175 DWORD *current_mask = context->current_fbo ? &context->current_fbo->rt_mask : &context->draw_buffers_mask;
2176 DWORD new_mask = context_generate_rt_mask(buffer);
2177
2178 if (new_mask == *current_mask)
2179 return;
2180
2181 gl_info->gl_ops.gl.p_glDrawBuffer(buffer);
2182 checkGLcall("glDrawBuffer()");
2183
2184 *current_mask = new_mask;
2185 }
2186
2187 /* Context activation is done by the caller. */
2188 void context_active_texture(struct wined3d_context *context, const struct wined3d_gl_info *gl_info, unsigned int unit)
2189 {
2190 GL_EXTCALL(glActiveTexture(GL_TEXTURE0 + unit));
2191 checkGLcall("glActiveTexture");
2192 context->active_texture = unit;
2193 }
2194
2195 void context_bind_texture(struct wined3d_context *context, GLenum target, GLuint name)
2196 {
2197 const struct wined3d_gl_info *gl_info = context->gl_info;
2198 DWORD unit = context->active_texture;
2199 DWORD old_texture_type = context->texture_type[unit];
2200
2201 if (name)
2202 {
2203 gl_info->gl_ops.gl.p_glBindTexture(target, name);
2204 checkGLcall("glBindTexture");
2205 }
2206 else
2207 {
2208 target = GL_NONE;
2209 }
2210
2211 if (old_texture_type != target)
2212 {
2213 const struct wined3d_device *device = context->swapchain->device;
2214
2215 switch (old_texture_type)
2216 {
2217 case GL_NONE:
2218 /* nothing to do */
2219 break;
2220 case GL_TEXTURE_2D:
2221 gl_info->gl_ops.gl.p_glBindTexture(GL_TEXTURE_2D, device->dummy_texture_2d[unit]);
2222 checkGLcall("glBindTexture");
2223 break;
2224 case GL_TEXTURE_RECTANGLE_ARB:
2225 gl_info->gl_ops.gl.p_glBindTexture(GL_TEXTURE_RECTANGLE_ARB, device->dummy_texture_rect[unit]);
2226 checkGLcall("glBindTexture");
2227 break;
2228 case GL_TEXTURE_CUBE_MAP:
2229 gl_info->gl_ops.gl.p_glBindTexture(GL_TEXTURE_CUBE_MAP, device->dummy_texture_cube[unit]);
2230 checkGLcall("glBindTexture");
2231 break;
2232 case GL_TEXTURE_3D:
2233 gl_info->gl_ops.gl.p_glBindTexture(GL_TEXTURE_3D, device->dummy_texture_3d[unit]);
2234 checkGLcall("glBindTexture");
2235 break;
2236 default:
2237 ERR("Unexpected texture target %#x\n", old_texture_type);
2238 }
2239
2240 context->texture_type[unit] = target;
2241 }
2242 }
2243
2244 static void context_set_render_offscreen(struct wined3d_context *context, BOOL offscreen)
2245 {
2246 if (context->render_offscreen == offscreen) return;
2247
2248 context_invalidate_state(context, STATE_POINTSPRITECOORDORIGIN);
2249 context_invalidate_state(context, STATE_TRANSFORM(WINED3D_TS_PROJECTION));
2250 context_invalidate_state(context, STATE_VIEWPORT);
2251 context_invalidate_state(context, STATE_SCISSORRECT);
2252 context_invalidate_state(context, STATE_FRONTFACE);
2253 context->render_offscreen = offscreen;
2254 }
2255
2256 static BOOL match_depth_stencil_format(const struct wined3d_format *existing,
2257 const struct wined3d_format *required)
2258 {
2259 if (existing == required)
2260 return TRUE;
2261 if ((existing->flags[WINED3D_GL_RES_TYPE_TEX_2D] & WINED3DFMT_FLAG_FLOAT)
2262 != (required->flags[WINED3D_GL_RES_TYPE_TEX_2D] & WINED3DFMT_FLAG_FLOAT))
2263 return FALSE;
2264 if (existing->depth_size < required->depth_size)
2265 return FALSE;
2266 /* If stencil bits are used the exact amount is required - otherwise
2267 * wrapping won't work correctly. */
2268 if (required->stencil_size && required->stencil_size != existing->stencil_size)
2269 return FALSE;
2270 return TRUE;
2271 }
2272
2273 /* Context activation is done by the caller. */
2274 static void context_validate_onscreen_formats(struct wined3d_context *context,
2275 const struct wined3d_rendertarget_view *depth_stencil)
2276 {
2277 /* Onscreen surfaces are always in a swapchain */
2278 struct wined3d_swapchain *swapchain = context->current_rt->container->swapchain;
2279
2280 if (context->render_offscreen || !depth_stencil) return;
2281 if (match_depth_stencil_format(swapchain->ds_format, depth_stencil->format)) return;
2282
2283 /* TODO: If the requested format would satisfy the needs of the existing one(reverse match),
2284 * or no onscreen depth buffer was created, the OpenGL drawable could be changed to the new
2285 * format. */
2286 WARN("Depth stencil format is not supported by WGL, rendering the backbuffer in an FBO\n");
2287
2288 /* The currently active context is the necessary context to access the swapchain's onscreen buffers */
2289 surface_load_location(context->current_rt, context, WINED3D_LOCATION_TEXTURE_RGB);
2290 swapchain->render_to_fbo = TRUE;
2291 swapchain_update_draw_bindings(swapchain);
2292 context_set_render_offscreen(context, TRUE);
2293 }
2294
2295 static DWORD context_generate_rt_mask_no_fbo(const struct wined3d_device *device, const struct wined3d_surface *rt)
2296 {
2297 if (!rt || rt->resource.format->id == WINED3DFMT_NULL)
2298 return 0;
2299 else if (rt->container->swapchain)
2300 return context_generate_rt_mask_from_surface(rt);
2301 else
2302 return context_generate_rt_mask(device->offscreenBuffer);
2303 }
2304
2305 /* Context activation is done by the caller. */
2306 void context_apply_blit_state(struct wined3d_context *context, const struct wined3d_device *device)
2307 {
2308 struct wined3d_surface *rt = context->current_rt;
2309 DWORD rt_mask, *cur_mask;
2310
2311 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2312 {
2313 context_validate_onscreen_formats(context, NULL);
2314
2315 if (context->render_offscreen)
2316 {
2317 wined3d_texture_load(rt->container, context, FALSE);
2318
2319 context_apply_fbo_state_blit(context, GL_FRAMEBUFFER, rt, NULL, rt->container->resource.draw_binding);
2320 if (rt->resource.format->id != WINED3DFMT_NULL)
2321 rt_mask = 1;
2322 else
2323 rt_mask = 0;
2324 }
2325 else
2326 {
2327 context->current_fbo = NULL;
2328 context_bind_fbo(context, GL_FRAMEBUFFER, 0);
2329 rt_mask = context_generate_rt_mask_from_surface(rt);
2330 }
2331 }
2332 else
2333 {
2334 rt_mask = context_generate_rt_mask_no_fbo(device, rt);
2335 }
2336
2337 cur_mask = context->current_fbo ? &context->current_fbo->rt_mask : &context->draw_buffers_mask;
2338
2339 if (rt_mask != *cur_mask)
2340 {
2341 context_apply_draw_buffers(context, rt_mask);
2342 *cur_mask = rt_mask;
2343 }
2344
2345 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2346 {
2347 context_check_fbo_status(context, GL_FRAMEBUFFER);
2348 }
2349
2350 SetupForBlit(device, context);
2351 context_invalidate_state(context, STATE_FRAMEBUFFER);
2352 }
2353
2354 static BOOL context_validate_rt_config(UINT rt_count, struct wined3d_rendertarget_view * const *rts,
2355 const struct wined3d_rendertarget_view *ds)
2356 {
2357 unsigned int i;
2358
2359 if (ds) return TRUE;
2360
2361 for (i = 0; i < rt_count; ++i)
2362 {
2363 if (rts[i] && rts[i]->format->id != WINED3DFMT_NULL)
2364 return TRUE;
2365 }
2366
2367 WARN("Invalid render target config, need at least one attachment.\n");
2368 return FALSE;
2369 }
2370
2371 /* Context activation is done by the caller. */
2372 BOOL context_apply_clear_state(struct wined3d_context *context, const struct wined3d_device *device,
2373 UINT rt_count, const struct wined3d_fb_state *fb)
2374 {
2375 struct wined3d_rendertarget_view **rts = fb->render_targets;
2376 struct wined3d_rendertarget_view *dsv = fb->depth_stencil;
2377 const struct wined3d_gl_info *gl_info = context->gl_info;
2378 DWORD rt_mask = 0, *cur_mask;
2379 UINT i;
2380
2381 if (isStateDirty(context, STATE_FRAMEBUFFER) || fb != &device->fb
2382 || rt_count != context->gl_info->limits.buffers)
2383 {
2384 if (!context_validate_rt_config(rt_count, rts, dsv))
2385 return FALSE;
2386
2387 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2388 {
2389 context_validate_onscreen_formats(context, dsv);
2390
2391 if (!rt_count || wined3d_resource_is_offscreen(rts[0]->resource))
2392 {
2393 for (i = 0; i < rt_count; ++i)
2394 {
2395 context->blit_targets[i] = wined3d_rendertarget_view_get_surface(rts[i]);
2396 if (rts[i] && rts[i]->format->id != WINED3DFMT_NULL)
2397 rt_mask |= (1u << i);
2398 }
2399 while (i < context->gl_info->limits.buffers)
2400 {
2401 context->blit_targets[i] = NULL;
2402 ++i;
2403 }
2404 context_apply_fbo_state(context, GL_FRAMEBUFFER, context->blit_targets,
2405 wined3d_rendertarget_view_get_surface(dsv),
2406 rt_count ? rts[0]->resource->draw_binding : 0,
2407 dsv ? dsv->resource->draw_binding : 0);
2408 }
2409 else
2410 {
2411 context_apply_fbo_state(context, GL_FRAMEBUFFER, NULL, NULL,
2412 WINED3D_LOCATION_DRAWABLE, WINED3D_LOCATION_DRAWABLE);
2413 rt_mask = context_generate_rt_mask_from_surface(wined3d_rendertarget_view_get_surface(rts[0]));
2414 }
2415
2416 /* If the framebuffer is not the device's fb the device's fb has to be reapplied
2417 * next draw. Otherwise we could mark the framebuffer state clean here, once the
2418 * state management allows this */
2419 context_invalidate_state(context, STATE_FRAMEBUFFER);
2420 }
2421 else
2422 {
2423 rt_mask = context_generate_rt_mask_no_fbo(device,
2424 rt_count ? wined3d_rendertarget_view_get_surface(rts[0]) : NULL);
2425 }
2426 }
2427 else if (wined3d_settings.offscreen_rendering_mode == ORM_FBO
2428 && (!rt_count || wined3d_resource_is_offscreen(rts[0]->resource)))
2429 {
2430 for (i = 0; i < rt_count; ++i)
2431 {
2432 if (rts[i] && rts[i]->format->id != WINED3DFMT_NULL)
2433 rt_mask |= (1u << i);
2434 }
2435 }
2436 else
2437 {
2438 rt_mask = context_generate_rt_mask_no_fbo(device,
2439 rt_count ? wined3d_rendertarget_view_get_surface(rts[0]) : NULL);
2440 }
2441
2442 cur_mask = context->current_fbo ? &context->current_fbo->rt_mask : &context->draw_buffers_mask;
2443
2444 if (rt_mask != *cur_mask)
2445 {
2446 context_apply_draw_buffers(context, rt_mask);
2447 *cur_mask = rt_mask;
2448 context_invalidate_state(context, STATE_FRAMEBUFFER);
2449 }
2450
2451 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2452 {
2453 context_check_fbo_status(context, GL_FRAMEBUFFER);
2454 }
2455
2456 if (context->last_was_blit)
2457 context->last_was_blit = FALSE;
2458
2459 /* Blending and clearing should be orthogonal, but tests on the nvidia
2460 * driver show that disabling blending when clearing improves the clearing
2461 * performance incredibly. */
2462 gl_info->gl_ops.gl.p_glDisable(GL_BLEND);
2463 gl_info->gl_ops.gl.p_glEnable(GL_SCISSOR_TEST);
2464 checkGLcall("glEnable GL_SCISSOR_TEST");
2465
2466 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_ALPHABLENDENABLE));
2467 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE));
2468 context_invalidate_state(context, STATE_SCISSORRECT);
2469
2470 return TRUE;
2471 }
2472
2473 static DWORD find_draw_buffers_mask(const struct wined3d_context *context, const struct wined3d_device *device)
2474 {
2475 const struct wined3d_state *state = &device->state;
2476 struct wined3d_rendertarget_view **rts = state->fb->render_targets;
2477 struct wined3d_shader *ps = state->shader[WINED3D_SHADER_TYPE_PIXEL];
2478 DWORD rt_mask, rt_mask_bits;
2479 unsigned int i;
2480
2481 if (wined3d_settings.offscreen_rendering_mode != ORM_FBO)
2482 return context_generate_rt_mask_no_fbo(device, wined3d_rendertarget_view_get_surface(rts[0]));
2483 else if (!context->render_offscreen)
2484 return context_generate_rt_mask_from_surface(wined3d_rendertarget_view_get_surface(rts[0]));
2485
2486 rt_mask = ps ? ps->reg_maps.rt_mask : 1;
2487 rt_mask &= context->d3d_info->valid_rt_mask;
2488 rt_mask_bits = rt_mask;
2489 i = 0;
2490 while (rt_mask_bits)
2491 {
2492 rt_mask_bits &= ~(1u << i);
2493 if (!rts[i] || rts[i]->format->id == WINED3DFMT_NULL)
2494 rt_mask &= ~(1u << i);
2495
2496 i++;
2497 }
2498
2499 return rt_mask;
2500 }
2501
2502 /* Context activation is done by the caller. */
2503 void context_state_fb(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
2504 {
2505 const struct wined3d_device *device = context->swapchain->device;
2506 const struct wined3d_fb_state *fb = state->fb;
2507 DWORD rt_mask = find_draw_buffers_mask(context, device);
2508 DWORD *cur_mask;
2509
2510 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2511 {
2512 if (!context->render_offscreen)
2513 {
2514 context_apply_fbo_state(context, GL_FRAMEBUFFER, NULL, NULL,
2515 WINED3D_LOCATION_DRAWABLE, WINED3D_LOCATION_DRAWABLE);
2516 }
2517 else
2518 {
2519 unsigned int i;
2520
2521 for (i = 0; i < context->gl_info->limits.buffers; ++i)
2522 {
2523 context->blit_targets[i] = wined3d_rendertarget_view_get_surface(fb->render_targets[i]);
2524 }
2525 context_apply_fbo_state(context, GL_FRAMEBUFFER, context->blit_targets,
2526 wined3d_rendertarget_view_get_surface(fb->depth_stencil),
2527 fb->render_targets[0]->resource->draw_binding,
2528 fb->depth_stencil ? fb->depth_stencil->resource->draw_binding : 0);
2529 }
2530 }
2531
2532 cur_mask = context->current_fbo ? &context->current_fbo->rt_mask : &context->draw_buffers_mask;
2533 if (rt_mask != *cur_mask)
2534 {
2535 context_apply_draw_buffers(context, rt_mask);
2536 *cur_mask = rt_mask;
2537 }
2538 }
2539
2540 static void context_map_stage(struct wined3d_context *context, DWORD stage, DWORD unit)
2541 {
2542 DWORD i = context->rev_tex_unit_map[unit];
2543 DWORD j = context->tex_unit_map[stage];
2544
2545 context->tex_unit_map[stage] = unit;
2546 if (i != WINED3D_UNMAPPED_STAGE && i != stage)
2547 context->tex_unit_map[i] = WINED3D_UNMAPPED_STAGE;
2548
2549 context->rev_tex_unit_map[unit] = stage;
2550 if (j != WINED3D_UNMAPPED_STAGE && j != unit)
2551 context->rev_tex_unit_map[j] = WINED3D_UNMAPPED_STAGE;
2552 }
2553
2554 static void context_invalidate_texture_stage(struct wined3d_context *context, DWORD stage)
2555 {
2556 DWORD i;
2557
2558 for (i = 0; i <= WINED3D_HIGHEST_TEXTURE_STATE; ++i)
2559 context_invalidate_state(context, STATE_TEXTURESTAGE(stage, i));
2560 }
2561
2562 static void context_update_fixed_function_usage_map(struct wined3d_context *context,
2563 const struct wined3d_state *state)
2564 {
2565 UINT i, start, end;
2566
2567 context->fixed_function_usage_map = 0;
2568 for (i = 0; i < MAX_TEXTURES; ++i)
2569 {
2570 enum wined3d_texture_op color_op = state->texture_states[i][WINED3D_TSS_COLOR_OP];
2571 enum wined3d_texture_op alpha_op = state->texture_states[i][WINED3D_TSS_ALPHA_OP];
2572 DWORD color_arg1 = state->texture_states[i][WINED3D_TSS_COLOR_ARG1] & WINED3DTA_SELECTMASK;
2573 DWORD color_arg2 = state->texture_states[i][WINED3D_TSS_COLOR_ARG2] & WINED3DTA_SELECTMASK;
2574 DWORD color_arg3 = state->texture_states[i][WINED3D_TSS_COLOR_ARG0] & WINED3DTA_SELECTMASK;
2575 DWORD alpha_arg1 = state->texture_states[i][WINED3D_TSS_ALPHA_ARG1] & WINED3DTA_SELECTMASK;
2576 DWORD alpha_arg2 = state->texture_states[i][WINED3D_TSS_ALPHA_ARG2] & WINED3DTA_SELECTMASK;
2577 DWORD alpha_arg3 = state->texture_states[i][WINED3D_TSS_ALPHA_ARG0] & WINED3DTA_SELECTMASK;
2578
2579 /* Not used, and disable higher stages. */
2580 if (color_op == WINED3D_TOP_DISABLE)
2581 break;
2582
2583 if (((color_arg1 == WINED3DTA_TEXTURE) && color_op != WINED3D_TOP_SELECT_ARG2)
2584 || ((color_arg2 == WINED3DTA_TEXTURE) && color_op != WINED3D_TOP_SELECT_ARG1)
2585 || ((color_arg3 == WINED3DTA_TEXTURE)
2586 && (color_op == WINED3D_TOP_MULTIPLY_ADD || color_op == WINED3D_TOP_LERP))
2587 || ((alpha_arg1 == WINED3DTA_TEXTURE) && alpha_op != WINED3D_TOP_SELECT_ARG2)
2588 || ((alpha_arg2 == WINED3DTA_TEXTURE) && alpha_op != WINED3D_TOP_SELECT_ARG1)
2589 || ((alpha_arg3 == WINED3DTA_TEXTURE)
2590 && (alpha_op == WINED3D_TOP_MULTIPLY_ADD || alpha_op == WINED3D_TOP_LERP)))
2591 context->fixed_function_usage_map |= (1u << i);
2592
2593 if ((color_op == WINED3D_TOP_BUMPENVMAP || color_op == WINED3D_TOP_BUMPENVMAP_LUMINANCE)
2594 && i < MAX_TEXTURES - 1)
2595 context->fixed_function_usage_map |= (1u << (i + 1));
2596 }
2597
2598 if (i < context->lowest_disabled_stage)
2599 {
2600 start = i;
2601 end = context->lowest_disabled_stage;
2602 }
2603 else
2604 {
2605 start = context->lowest_disabled_stage;
2606 end = i;
2607 }
2608
2609 context->lowest_disabled_stage = i;
2610 for (i = start + 1; i < end; ++i)
2611 {
2612 context_invalidate_state(context, STATE_TEXTURESTAGE(i, WINED3D_TSS_COLOR_OP));
2613 }
2614 }
2615
2616 static void context_map_fixed_function_samplers(struct wined3d_context *context,
2617 const struct wined3d_state *state)
2618 {
2619 unsigned int i, tex;
2620 WORD ffu_map;
2621 const struct wined3d_d3d_info *d3d_info = context->d3d_info;
2622
2623 context_update_fixed_function_usage_map(context, state);
2624 ffu_map = context->fixed_function_usage_map;
2625
2626 if (d3d_info->limits.ffp_textures == d3d_info->limits.ffp_blend_stages
2627 || context->lowest_disabled_stage <= d3d_info->limits.ffp_textures)
2628 {
2629 for (i = 0; ffu_map; ffu_map >>= 1, ++i)
2630 {
2631 if (!(ffu_map & 1))
2632 continue;
2633
2634 if (context->tex_unit_map[i] != i)
2635 {
2636 context_map_stage(context, i, i);
2637 context_invalidate_state(context, STATE_SAMPLER(i));
2638 context_invalidate_texture_stage(context, i);
2639 }
2640 }
2641 return;
2642 }
2643
2644 /* Now work out the mapping */
2645 tex = 0;
2646 for (i = 0; ffu_map; ffu_map >>= 1, ++i)
2647 {
2648 if (!(ffu_map & 1))
2649 continue;
2650
2651 if (context->tex_unit_map[i] != tex)
2652 {
2653 context_map_stage(context, i, tex);
2654 context_invalidate_state(context, STATE_SAMPLER(i));
2655 context_invalidate_texture_stage(context, i);
2656 }
2657
2658 ++tex;
2659 }
2660 }
2661
2662 static void context_map_psamplers(struct wined3d_context *context, const struct wined3d_state *state)
2663 {
2664 const struct wined3d_shader_resource_info *resource_info =
2665 state->shader[WINED3D_SHADER_TYPE_PIXEL]->reg_maps.resource_info;
2666 unsigned int i;
2667 const struct wined3d_d3d_info *d3d_info = context->d3d_info;
2668
2669 for (i = 0; i < MAX_FRAGMENT_SAMPLERS; ++i)
2670 {
2671 if (resource_info[i].type && context->tex_unit_map[i] != i)
2672 {
2673 context_map_stage(context, i, i);
2674 context_invalidate_state(context, STATE_SAMPLER(i));
2675 if (i < d3d_info->limits.ffp_blend_stages)
2676 context_invalidate_texture_stage(context, i);
2677 }
2678 }
2679 }
2680
2681 static BOOL context_unit_free_for_vs(const struct wined3d_context *context,
2682 const struct wined3d_shader_resource_info *ps_resource_info,
2683 const struct wined3d_shader_resource_info *vs_resource_info, DWORD unit)
2684 {
2685 DWORD current_mapping = context->rev_tex_unit_map[unit];
2686
2687 /* Not currently used */
2688 if (current_mapping == WINED3D_UNMAPPED_STAGE)
2689 return TRUE;
2690
2691 if (current_mapping < MAX_FRAGMENT_SAMPLERS)
2692 {
2693 /* Used by a fragment sampler */
2694
2695 if (!ps_resource_info)
2696 {
2697 /* No pixel shader, check fixed function */
2698 return current_mapping >= MAX_TEXTURES || !(context->fixed_function_usage_map & (1u << current_mapping));
2699 }
2700
2701 /* Pixel shader, check the shader's sampler map */
2702 return !ps_resource_info[current_mapping].type;
2703 }
2704
2705 /* Used by a vertex sampler */
2706 return !vs_resource_info[current_mapping - MAX_FRAGMENT_SAMPLERS].type;
2707 }
2708
2709 static void context_map_vsamplers(struct wined3d_context *context, BOOL ps, const struct wined3d_state *state)
2710 {
2711 const struct wined3d_shader_resource_info *vs_resource_info =
2712 state->shader[WINED3D_SHADER_TYPE_VERTEX]->reg_maps.resource_info;
2713 const struct wined3d_shader_resource_info *ps_resource_info = NULL;
2714 const struct wined3d_gl_info *gl_info = context->gl_info;
2715 int start = min(MAX_COMBINED_SAMPLERS, gl_info->limits.combined_samplers) - 1;
2716 int i;
2717
2718 /* Note that we only care if a resource is used or not, not the
2719 * resource's specific type. Otherwise we'd need to call
2720 * shader_update_samplers() here for 1.x pixelshaders. */
2721 if (ps)
2722 ps_resource_info = state->shader[WINED3D_SHADER_TYPE_PIXEL]->reg_maps.resource_info;
2723
2724 for (i = 0; i < MAX_VERTEX_SAMPLERS; ++i)
2725 {
2726 DWORD vsampler_idx = i + MAX_FRAGMENT_SAMPLERS;
2727 if (vs_resource_info[i].type)
2728 {
2729 if (context->tex_unit_map[vsampler_idx] != WINED3D_UNMAPPED_STAGE)
2730 {
2731 /* Already mapped somewhere */
2732 continue;
2733 }
2734
2735 while (start >= 0)
2736 {
2737 if (context_unit_free_for_vs(context, ps_resource_info, vs_resource_info, start))
2738 {
2739 context_map_stage(context, vsampler_idx, start);
2740 context_invalidate_state(context, STATE_SAMPLER(vsampler_idx));
2741
2742 --start;
2743 break;
2744 }
2745
2746 --start;
2747 }
2748 }
2749 }
2750 }
2751
2752 static void context_update_tex_unit_map(struct wined3d_context *context, const struct wined3d_state *state)
2753 {
2754 BOOL vs = use_vs(state);
2755 BOOL ps = use_ps(state);
2756 /*
2757 * Rules are:
2758 * -> Pixel shaders need a 1:1 map. In theory the shader input could be mapped too, but
2759 * that would be really messy and require shader recompilation
2760 * -> When the mapping of a stage is changed, sampler and ALL texture stage states have
2761 * to be reset. Because of that try to work with a 1:1 mapping as much as possible
2762 */
2763 if (ps)
2764 context_map_psamplers(context, state);
2765 else
2766 context_map_fixed_function_samplers(context, state);
2767
2768 if (vs)
2769 context_map_vsamplers(context, ps, state);
2770 }
2771
2772 /* Context activation is done by the caller. */
2773 void context_state_drawbuf(struct wined3d_context *context, const struct wined3d_state *state, DWORD state_id)
2774 {
2775 const struct wined3d_device *device = context->swapchain->device;
2776 DWORD rt_mask, *cur_mask;
2777
2778 if (isStateDirty(context, STATE_FRAMEBUFFER)) return;
2779
2780 cur_mask = context->current_fbo ? &context->current_fbo->rt_mask : &context->draw_buffers_mask;
2781 rt_mask = find_draw_buffers_mask(context, device);
2782 if (rt_mask != *cur_mask)
2783 {
2784 context_apply_draw_buffers(context, rt_mask);
2785 *cur_mask = rt_mask;
2786 }
2787 }
2788
2789 static BOOL fixed_get_input(BYTE usage, BYTE usage_idx, unsigned int *regnum)
2790 {
2791 if ((usage == WINED3D_DECL_USAGE_POSITION || usage == WINED3D_DECL_USAGE_POSITIONT) && !usage_idx)
2792 *regnum = WINED3D_FFP_POSITION;
2793 else if (usage == WINED3D_DECL_USAGE_BLEND_WEIGHT && !usage_idx)
2794 *regnum = WINED3D_FFP_BLENDWEIGHT;
2795 else if (usage == WINED3D_DECL_USAGE_BLEND_INDICES && !usage_idx)
2796 *regnum = WINED3D_FFP_BLENDINDICES;
2797 else if (usage == WINED3D_DECL_USAGE_NORMAL && !usage_idx)
2798 *regnum = WINED3D_FFP_NORMAL;
2799 else if (usage == WINED3D_DECL_USAGE_PSIZE && !usage_idx)
2800 *regnum = WINED3D_FFP_PSIZE;
2801 else if (usage == WINED3D_DECL_USAGE_COLOR && !usage_idx)
2802 *regnum = WINED3D_FFP_DIFFUSE;
2803 else if (usage == WINED3D_DECL_USAGE_COLOR && usage_idx == 1)
2804 *regnum = WINED3D_FFP_SPECULAR;
2805 else if (usage == WINED3D_DECL_USAGE_TEXCOORD && usage_idx < WINED3DDP_MAXTEXCOORD)
2806 *regnum = WINED3D_FFP_TEXCOORD0 + usage_idx;
2807 else
2808 {
2809 FIXME("Unsupported input stream [usage=%s, usage_idx=%u].\n", debug_d3ddeclusage(usage), usage_idx);
2810 *regnum = ~0U;
2811 return FALSE;
2812 }
2813
2814 return TRUE;
2815 }
2816
2817 /* Context activation is done by the caller. */
2818 void context_stream_info_from_declaration(struct wined3d_context *context,
2819 const struct wined3d_state *state, struct wined3d_stream_info *stream_info)
2820 {
2821 /* We need to deal with frequency data! */
2822 struct wined3d_vertex_declaration *declaration = state->vertex_declaration;
2823 BOOL use_vshader = use_vs(state);
2824 BOOL generic_attributes = context->d3d_info->ffp_generic_attributes;
2825 unsigned int i;
2826
2827 stream_info->use_map = 0;
2828 stream_info->swizzle_map = 0;
2829 stream_info->position_transformed = declaration->position_transformed;
2830
2831 /* Translate the declaration into strided data. */
2832 for (i = 0; i < declaration->element_count; ++i)
2833 {
2834 const struct wined3d_vertex_declaration_element *element = &declaration->elements[i];
2835 const struct wined3d_stream_state *stream = &state->streams[element->input_slot];
2836 BOOL stride_used;
2837 unsigned int idx;
2838
2839 TRACE("%p Element %p (%u of %u).\n", declaration->elements,
2840 element, i + 1, declaration->element_count);
2841
2842 if (!stream->buffer)
2843 continue;
2844
2845 TRACE("offset %u input_slot %u usage_idx %d.\n", element->offset, element->input_slot, element->usage_idx);
2846
2847 if (use_vshader)
2848 {
2849 if (element->output_slot == WINED3D_OUTPUT_SLOT_UNUSED)
2850 {
2851 stride_used = FALSE;
2852 }
2853 else if (element->output_slot == WINED3D_OUTPUT_SLOT_SEMANTIC)
2854 {
2855 /* TODO: Assuming vertexdeclarations are usually used with the
2856 * same or a similar shader, it might be worth it to store the
2857 * last used output slot and try that one first. */
2858 stride_used = vshader_get_input(state->shader[WINED3D_SHADER_TYPE_VERTEX],
2859 element->usage, element->usage_idx, &idx);
2860 }
2861 else
2862 {
2863 idx = element->output_slot;
2864 stride_used = TRUE;
2865 }
2866 }
2867 else
2868 {
2869 if (!generic_attributes && !element->ffp_valid)
2870 {
2871 WARN("Skipping unsupported fixed function element of format %s and usage %s.\n",
2872 debug_d3dformat(element->format->id), debug_d3ddeclusage(element->usage));
2873 stride_used = FALSE;
2874 }
2875 else
2876 {
2877 stride_used = fixed_get_input(element->usage, element->usage_idx, &idx);
2878 }
2879 }
2880
2881 if (stride_used)
2882 {
2883 TRACE("Load %s array %u [usage %s, usage_idx %u, "
2884 "input_slot %u, offset %u, stride %u, format %s, class %s, step_rate %u].\n",
2885 use_vshader ? "shader": "fixed function", idx,
2886 debug_d3ddeclusage(element->usage), element->usage_idx, element->input_slot,
2887 element->offset, stream->stride, debug_d3dformat(element->format->id),
2888 debug_d3dinput_classification(element->input_slot_class), element->instance_data_step_rate);
2889
2890 stream_info->elements[idx].format = element->format;
2891 stream_info->elements[idx].data.buffer_object = 0;
2892 stream_info->elements[idx].data.addr = (BYTE *)NULL + stream->offset + element->offset;
2893 stream_info->elements[idx].stride = stream->stride;
2894 stream_info->elements[idx].stream_idx = element->input_slot;
2895 if (stream->flags & WINED3DSTREAMSOURCE_INSTANCEDATA)
2896 {
2897 stream_info->elements[idx].divisor = 1;
2898 }
2899 else if (element->input_slot_class == WINED3D_INPUT_PER_INSTANCE_DATA)
2900 {
2901 stream_info->elements[idx].divisor = element->instance_data_step_rate;
2902 if (!element->instance_data_step_rate)
2903 FIXME("Instance step rate 0 not implemented.\n");
2904 }
2905 else
2906 {
2907 stream_info->elements[idx].divisor = 0;
2908 }
2909
2910 if (!context->gl_info->supported[ARB_VERTEX_ARRAY_BGRA]
2911 && element->format->id == WINED3DFMT_B8G8R8A8_UNORM)
2912 {
2913 stream_info->swizzle_map |= 1u << idx;
2914 }
2915 stream_info->use_map |= 1u << idx;
2916 }
2917 }
2918 }
2919
2920 /* Context activation is done by the caller. */
2921 static void context_update_stream_info(struct wined3d_context *context, const struct wined3d_state *state)
2922 {
2923 const struct wined3d_gl_info *gl_info = context->gl_info;
2924 const struct wined3d_d3d_info *d3d_info = context->d3d_info;
2925 struct wined3d_stream_info *stream_info = &context->stream_info;
2926 DWORD prev_all_vbo = stream_info->all_vbo;
2927 unsigned int i;
2928 WORD map;
2929
2930 context_stream_info_from_declaration(context, state, stream_info);
2931
2932 stream_info->all_vbo = 1;
2933 context->num_buffer_queries = 0;
2934 for (i = 0, map = stream_info->use_map; map; map >>= 1, ++i)
2935 {
2936 struct wined3d_stream_info_element *element;
2937 struct wined3d_bo_address data;
2938 struct wined3d_buffer *buffer;
2939
2940 if (!(map & 1))
2941 continue;
2942
2943 element = &stream_info->elements[i];
2944 buffer = state->streams[element->stream_idx].buffer;
2945
2946 /* We can't use VBOs if the base vertex index is negative. OpenGL
2947 * doesn't accept negative offsets (or rather offsets bigger than the
2948 * VBO, because the pointer is unsigned), so use system memory
2949 * sources. In most sane cases the pointer - offset will still be > 0,
2950 * otherwise it will wrap around to some big value. Hope that with the
2951 * indices the driver wraps it back internally. If not,
2952 * drawStridedSlow is needed, including a vertex buffer path. */
2953 if (state->load_base_vertex_index < 0)
2954 {
2955 WARN_(d3d_perf)("load_base_vertex_index is < 0 (%d), not using VBOs.\n",
2956 state->load_base_vertex_index);
2957 element->data.buffer_object = 0;
2958 element->data.addr += (ULONG_PTR)buffer_get_sysmem(buffer, context);
2959 if ((UINT_PTR)element->data.addr < -state->load_base_vertex_index * element->stride)
2960 FIXME("System memory vertex data load offset is negative!\n");
2961 }
2962 else
2963 {
2964 buffer_internal_preload(buffer, context, state);
2965 buffer_get_memory(buffer, context, &data);
2966 element->data.buffer_object = data.buffer_object;
2967 element->data.addr += (ULONG_PTR)data.addr;
2968 }
2969
2970 if (!element->data.buffer_object)
2971 stream_info->all_vbo = 0;
2972
2973 if (buffer->query)
2974 context->buffer_queries[context->num_buffer_queries++] = buffer->query;
2975
2976 TRACE("Load array %u {%#x:%p}.\n", i, element->data.buffer_object, element->data.addr);
2977 }
2978
2979 if (use_vs(state))
2980 {
2981 if (state->vertex_declaration->half_float_conv_needed && !stream_info->all_vbo)
2982 {
2983 TRACE("Using drawStridedSlow with vertex shaders for FLOAT16 conversion.\n");
2984 context->use_immediate_mode_draw = TRUE;
2985 }
2986 else
2987 {
2988 context->use_immediate_mode_draw = FALSE;
2989 }
2990 }
2991 else
2992 {
2993 WORD slow_mask = -!d3d_info->ffp_generic_attributes & (1u << WINED3D_FFP_PSIZE);
2994 slow_mask |= -!gl_info->supported[ARB_VERTEX_ARRAY_BGRA]
2995 & ((1u << WINED3D_FFP_DIFFUSE) | (1u << WINED3D_FFP_SPECULAR));
2996
2997 if (((stream_info->position_transformed && !d3d_info->xyzrhw)
2998 || (stream_info->use_map & slow_mask)) && !stream_info->all_vbo)
2999 context->use_immediate_mode_draw = TRUE;
3000 else
3001 context->use_immediate_mode_draw = FALSE;
3002 }
3003
3004 if (prev_all_vbo != stream_info->all_vbo)
3005 context_invalidate_state(context, STATE_INDEXBUFFER);
3006 }
3007
3008 /* Context activation is done by the caller. */
3009 static void context_preload_texture(struct wined3d_context *context,
3010 const struct wined3d_state *state, unsigned int idx)
3011 {
3012 struct wined3d_texture *texture;
3013
3014 if (!(texture = state->textures[idx]))
3015 return;
3016
3017 wined3d_texture_load(texture, context, state->sampler_states[idx][WINED3D_SAMP_SRGB_TEXTURE]);
3018 }
3019
3020 /* Context activation is done by the caller. */
3021 static void context_preload_textures(struct wined3d_context *context, const struct wined3d_state *state)
3022 {
3023 unsigned int i;
3024
3025 if (use_vs(state))
3026 {
3027 for (i = 0; i < MAX_VERTEX_SAMPLERS; ++i)
3028 {
3029 if (state->shader[WINED3D_SHADER_TYPE_VERTEX]->reg_maps.resource_info[i].type)
3030 context_preload_texture(context, state, MAX_FRAGMENT_SAMPLERS + i);
3031 }
3032 }
3033
3034 if (use_ps(state))
3035 {
3036 for (i = 0; i < MAX_FRAGMENT_SAMPLERS; ++i)
3037 {
3038 if (state->shader[WINED3D_SHADER_TYPE_PIXEL]->reg_maps.resource_info[i].type)
3039 context_preload_texture(context, state, i);
3040 }
3041 }
3042 else
3043 {
3044 WORD ffu_map = context->fixed_function_usage_map;
3045
3046 for (i = 0; ffu_map; ffu_map >>= 1, ++i)
3047 {
3048 if (ffu_map & 1)
3049 context_preload_texture(context, state, i);
3050 }
3051 }
3052 }
3053
3054 static void context_load_shader_resources(struct wined3d_context *context, const struct wined3d_state *state)
3055 {
3056 struct wined3d_shader_sampler_map_entry *entry;
3057 struct wined3d_shader_resource_view *view;
3058 struct wined3d_shader *shader;
3059 unsigned int i, j;
3060
3061 for (i = 0; i < WINED3D_SHADER_TYPE_COUNT; ++i)
3062 {
3063 if (!(shader = state->shader[i]))
3064 continue;
3065
3066 for (j = 0; j < WINED3D_MAX_CBS; ++j)
3067 {
3068 if (state->cb[i][j])
3069 buffer_internal_preload(state->cb[i][j], context, state);
3070 }
3071
3072 for (j = 0; j < shader->reg_maps.sampler_map.count; ++j)
3073 {
3074 entry = &shader->reg_maps.sampler_map.entries[j];
3075
3076 if (!(view = state->shader_resource_view[i][entry->resource_idx]))
3077 {
3078 WARN("No resource view bound at index %u, %u.\n", i, entry->resource_idx);
3079 continue;
3080 }
3081
3082 if (view->resource->type == WINED3D_RTYPE_BUFFER)
3083 buffer_internal_preload(buffer_from_resource(view->resource), context, state);
3084 else
3085 wined3d_texture_load(wined3d_texture_from_resource(view->resource), context, FALSE);
3086 }
3087 }
3088 }
3089
3090 static void context_bind_shader_resources(struct wined3d_context *context, const struct wined3d_state *state)
3091 {
3092 const struct wined3d_gl_info *gl_info = context->gl_info;
3093 struct wined3d_shader_sampler_map_entry *entry;
3094 struct wined3d_shader_resource_view *view;
3095 struct wined3d_sampler *sampler;
3096 struct wined3d_texture *texture;
3097 struct wined3d_shader *shader;
3098 unsigned int i, j, count;
3099
3100 static const struct
3101 {
3102 enum wined3d_shader_type type;
3103 unsigned int base_idx;
3104 unsigned int count;
3105 }
3106 shader_types[] =
3107 {
3108 {WINED3D_SHADER_TYPE_PIXEL, 0, MAX_FRAGMENT_SAMPLERS},
3109 {WINED3D_SHADER_TYPE_VERTEX, MAX_FRAGMENT_SAMPLERS, MAX_VERTEX_SAMPLERS},
3110 };
3111
3112 for (i = 0; i < ARRAY_SIZE(shader_types); ++i)
3113 {
3114 if (!(shader = state->shader[shader_types[i].type]))
3115 continue;
3116
3117 count = shader->reg_maps.sampler_map.count;
3118 if (count > shader_types[i].count)
3119 {
3120 FIXME("Shader %p needs %u samplers, but only %u are supported.\n",
3121 shader, count, shader_types[i].count);
3122 count = shader_types[i].count;
3123 }
3124
3125 for (j = 0; j < count; ++j)
3126 {
3127 entry = &shader->reg_maps.sampler_map.entries[j];
3128
3129 if (!(view = state->shader_resource_view[shader_types[i].type][entry->resource_idx]))
3130 {
3131 WARN("No resource view bound at index %u, %u.\n", shader_types[i].type, entry->resource_idx);
3132 continue;
3133 }
3134
3135 if (view->resource->type == WINED3D_RTYPE_BUFFER)
3136 {
3137 FIXME("Buffer shader resources not supported.\n");
3138 continue;
3139 }
3140
3141 if (!(sampler = state->sampler[shader_types[i].type][entry->sampler_idx]))
3142 {
3143 WARN("No sampler object bound at index %u, %u.\n", shader_types[i].type, entry->sampler_idx);
3144 continue;
3145 }
3146
3147 texture = wined3d_texture_from_resource(view->resource);
3148 context_active_texture(context, gl_info, shader_types[i].base_idx + entry->bind_idx);
3149 wined3d_texture_bind(texture, context, FALSE);
3150
3151 GL_EXTCALL(glBindSampler(shader_types[i].base_idx + entry->bind_idx, sampler->name));
3152 checkGLcall("glBindSampler");
3153 }
3154 }
3155 }
3156
3157 /* Context activation is done by the caller. */
3158 BOOL context_apply_draw_state(struct wined3d_context *context, struct wined3d_device *device)
3159 {
3160 const struct wined3d_state *state = &device->state;
3161 const struct StateEntry *state_table = context->state_table;
3162 const struct wined3d_fb_state *fb = state->fb;
3163 unsigned int i;
3164 WORD map;
3165
3166 if (!context_validate_rt_config(context->gl_info->limits.buffers,
3167 fb->render_targets, fb->depth_stencil))
3168 return FALSE;
3169
3170 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO && isStateDirty(context, STATE_FRAMEBUFFER))
3171 {
3172 context_validate_onscreen_formats(context, fb->depth_stencil);
3173 }
3174
3175 /* Preload resources before FBO setup. Texture preload in particular may
3176 * result in changes to the current FBO, due to using e.g. FBO blits for
3177 * updating a resource location. */
3178 context_update_tex_unit_map(context, state);
3179 context_preload_textures(context, state);
3180 context_load_shader_resources(context, state);
3181 /* TODO: Right now the dependency on the vertex shader is necessary
3182 * since context_stream_info_from_declaration depends on the reg_maps of
3183 * the current VS but maybe it's possible to relax the coupling in some
3184 * situations at least. */
3185 if (isStateDirty(context, STATE_VDECL) || isStateDirty(context, STATE_STREAMSRC)
3186 || isStateDirty(context, STATE_SHADER(WINED3D_SHADER_TYPE_VERTEX)))
3187 {
3188 context_update_stream_info(context, state);
3189 }
3190 else
3191 {
3192 for (i = 0, map = context->stream_info.use_map; map; map >>= 1, ++i)
3193 {
3194 if (map & 1)
3195 buffer_mark_used(state->streams[context->stream_info.elements[i].stream_idx].buffer);
3196 }
3197 }
3198 if (state->index_buffer)
3199 {
3200 if (context->stream_info.all_vbo)
3201 buffer_internal_preload(state->index_buffer, context, state);
3202 else
3203 buffer_get_sysmem(state->index_buffer, context);
3204 }
3205
3206 for (i = 0; i < context->numDirtyEntries; ++i)
3207 {
3208 DWORD rep = context->dirtyArray[i];
3209 DWORD idx = rep / (sizeof(*context->isStateDirty) * CHAR_BIT);
3210 BYTE shift = rep & ((sizeof(*context->isStateDirty) * CHAR_BIT) - 1);
3211 context->isStateDirty[idx] &= ~(1u << shift);
3212 state_table[rep].apply(context, state, rep);
3213 }
3214
3215 if (context->shader_update_mask)
3216 {
3217 device->shader_backend->shader_select(device->shader_priv, context, state);
3218 context->shader_update_mask = 0;
3219 }
3220
3221 if (context->constant_update_mask)
3222 {
3223 device->shader_backend->shader_load_constants(device->shader_priv, context, state);
3224 context->constant_update_mask = 0;
3225 }
3226
3227 if (context->update_shader_resource_bindings)
3228 {
3229 context_bind_shader_resources(context, state);
3230 context->update_shader_resource_bindings = 0;
3231 }
3232
3233 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
3234 {
3235 context_check_fbo_status(context, GL_FRAMEBUFFER);
3236 }
3237
3238 context->numDirtyEntries = 0; /* This makes the whole list clean */
3239 context->last_was_blit = FALSE;
3240
3241 return TRUE;
3242 }
3243
3244 static void context_setup_target(struct wined3d_context *context, struct wined3d_surface *target)
3245 {
3246 BOOL old_render_offscreen = context->render_offscreen, render_offscreen;
3247
3248 render_offscreen = wined3d_resource_is_offscreen(&target->container->resource);
3249 if (context->current_rt == target && render_offscreen == old_render_offscreen) return;
3250
3251 /* To compensate the lack of format switching with some offscreen rendering methods and on onscreen buffers
3252 * the alpha blend state changes with different render target formats. */
3253 if (!context->current_rt)
3254 {
3255 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_ALPHABLENDENABLE));
3256 }
3257 else
3258 {
3259 const struct wined3d_format *old = context->current_rt->resource.format;
3260 const struct wined3d_format *new = target->resource.format;
3261
3262 if (old->id != new->id)
3263 {
3264 /* Disable blending when the alpha mask has changed and when a format doesn't support blending. */
3265 if ((old->alpha_size && !new->alpha_size) || (!old->alpha_size && new->alpha_size)
3266 || !(target->container->resource.format_flags & WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING))
3267 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_ALPHABLENDENABLE));
3268
3269 /* Update sRGB writing when switching between formats that do/do not support sRGB writing */
3270 if ((context->current_rt->container->resource.format_flags & WINED3DFMT_FLAG_SRGB_WRITE)
3271 != (target->container->resource.format_flags & WINED3DFMT_FLAG_SRGB_WRITE))
3272 context_invalidate_state(context, STATE_RENDER(WINED3D_RS_SRGBWRITEENABLE));
3273 }
3274
3275 /* When switching away from an offscreen render target, and we're not
3276 * using FBOs, we have to read the drawable into the texture. This is
3277 * done via PreLoad (and WINED3D_LOCATION_DRAWABLE set on the surface).
3278 * There are some things that need care though. PreLoad needs a GL context,
3279 * and FindContext is called before the context is activated. It also
3280 * has to be called with the old rendertarget active, otherwise a
3281 * wrong drawable is read. */
3282 if (wined3d_settings.offscreen_rendering_mode != ORM_FBO
3283 && old_render_offscreen && context->current_rt != target)
3284 {
3285 struct wined3d_texture *texture = context->current_rt->container;
3286
3287 /* Read the back buffer of the old drawable into the destination texture. */
3288 if (texture->texture_srgb.name)
3289 wined3d_texture_load(texture, context, TRUE);
3290 wined3d_texture_load(texture, context, FALSE);
3291 surface_invalidate_location(context->current_rt, WINED3D_LOCATION_DRAWABLE);
3292 }
3293 }
3294
3295 context->current_rt = target;
3296 context_set_render_offscreen(context, render_offscreen);
3297 }
3298
3299 struct wined3d_context *context_acquire(const struct wined3d_device *device, struct wined3d_surface *target)
3300 {
3301 struct wined3d_context *current_context = context_get_current();
3302 struct wined3d_context *context;
3303
3304 TRACE("device %p, target %p.\n", device, target);
3305
3306 if (current_context && current_context->destroyed)
3307 current_context = NULL;
3308
3309 if (!target)
3310 {
3311 if (current_context
3312 && current_context->current_rt
3313 && current_context->swapchain->device == device)
3314 {
3315 target = current_context->current_rt;
3316 }
3317 else
3318 {
3319 struct wined3d_swapchain *swapchain = device->swapchains[0];
3320 if (swapchain->back_buffers)
3321 target = surface_from_resource(wined3d_texture_get_sub_resource(swapchain->back_buffers[0], 0));
3322 else
3323 target = surface_from_resource(wined3d_texture_get_sub_resource(swapchain->front_buffer, 0));
3324 }
3325 }
3326
3327 if (current_context && current_context->current_rt == target)
3328 {
3329 context = current_context;
3330 }
3331 else if (target->container->swapchain)
3332 {
3333 TRACE("Rendering onscreen.\n");
3334
3335 context = swapchain_get_context(target->container->swapchain);
3336 }
3337 else
3338 {
3339 TRACE("Rendering offscreen.\n");
3340
3341 /* Stay with the current context if possible. Otherwise use the
3342 * context for the primary swapchain. */
3343 if (current_context && current_context->swapchain->device == device)
3344 context = current_context;
3345 else
3346 context = swapchain_get_context(device->swapchains[0]);
3347 }
3348
3349 context_enter(context);
3350 context_update_window(context);
3351 context_setup_target(context, target);
3352 if (!context->valid) return context;
3353
3354 if (context != current_context)
3355 {
3356 if (!context_set_current(context))
3357 ERR("Failed to activate the new context.\n");
3358 }
3359 else if (context->needs_set)
3360 {
3361 context_set_gl_context(context);
3362 }
3363
3364 return context;
3365 }
Windows API implementation