2 * Context and render target management in wined3d
4 * Copyright 2007-2011, 2013 Stefan Dösinger for CodeWeavers
5 * Copyright 2009-2011 Henri Verbeet for CodeWeavers
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.
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.
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
23 #include "wine/port.h"
30 #include "wined3d_private.h"
32 WINE_DEFAULT_DEBUG_CHANNEL(d3d
);
33 WINE_DECLARE_DEBUG_CHANNEL(d3d_perf
);
34 WINE_DECLARE_DEBUG_CHANNEL(d3d_synchronous
);
36 #define WINED3D_MAX_FBO_ENTRIES 64
38 static DWORD wined3d_context_tls_idx
;
40 /* FBO helper functions */
42 /* Context activation is done by the caller. */
43 static void context_bind_fbo(struct wined3d_context
*context
, GLenum target
, GLuint fbo
)
45 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
49 case GL_READ_FRAMEBUFFER
:
50 if (context
->fbo_read_binding
== fbo
) return;
51 context
->fbo_read_binding
= fbo
;
54 case GL_DRAW_FRAMEBUFFER
:
55 if (context
->fbo_draw_binding
== fbo
) return;
56 context
->fbo_draw_binding
= fbo
;
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
;
67 FIXME("Unhandled target %#x.\n", target
);
71 gl_info
->fbo_ops
.glBindFramebuffer(target
, fbo
);
72 checkGLcall("glBindFramebuffer()");
75 /* Context activation is done by the caller. */
76 static void context_clean_fbo_attachments(const struct wined3d_gl_info
*gl_info
, GLenum target
)
80 for (i
= 0; i
< gl_info
->limits
.buffers
; ++i
)
82 gl_info
->fbo_ops
.glFramebufferTexture2D(target
, GL_COLOR_ATTACHMENT0
+ i
, GL_TEXTURE_2D
, 0, 0);
83 checkGLcall("glFramebufferTexture2D()");
85 gl_info
->fbo_ops
.glFramebufferTexture2D(target
, GL_DEPTH_ATTACHMENT
, GL_TEXTURE_2D
, 0, 0);
86 checkGLcall("glFramebufferTexture2D()");
88 gl_info
->fbo_ops
.glFramebufferTexture2D(target
, GL_STENCIL_ATTACHMENT
, GL_TEXTURE_2D
, 0, 0);
89 checkGLcall("glFramebufferTexture2D()");
92 /* Context activation is done by the caller. */
93 static void context_destroy_fbo(struct wined3d_context
*context
, GLuint fbo
)
95 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
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);
101 gl_info
->fbo_ops
.glDeleteFramebuffers(1, &fbo
);
102 checkGLcall("glDeleteFramebuffers()");
105 static void context_attach_depth_stencil_rb(const struct wined3d_gl_info
*gl_info
,
106 GLenum fbo_target
, DWORD flags
, GLuint rb
)
108 if (flags
& WINED3D_FBO_ENTRY_FLAG_DEPTH
)
110 gl_info
->fbo_ops
.glFramebufferRenderbuffer(fbo_target
, GL_DEPTH_ATTACHMENT
, GL_RENDERBUFFER
, rb
);
111 checkGLcall("glFramebufferRenderbuffer()");
114 if (flags
& WINED3D_FBO_ENTRY_FLAG_STENCIL
)
116 gl_info
->fbo_ops
.glFramebufferRenderbuffer(fbo_target
, GL_STENCIL_ATTACHMENT
, GL_RENDERBUFFER
, rb
);
117 checkGLcall("glFramebufferRenderbuffer()");
121 static void context_attach_gl_texture_fbo(struct wined3d_context
*context
,
122 GLenum fbo_target
, GLenum attachment
, const struct wined3d_fbo_resource
*resource
)
124 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
128 gl_info
->fbo_ops
.glFramebufferTexture2D(fbo_target
, attachment
, GL_TEXTURE_2D
, 0, 0);
129 checkGLcall("glFramebufferTexture2D()");
131 else if (resource
->target
== GL_TEXTURE_2D_ARRAY
)
133 if (!gl_info
->fbo_ops
.glFramebufferTextureLayer
)
135 FIXME("OpenGL implementation doesn't support glFramebufferTextureLayer().\n");
139 gl_info
->fbo_ops
.glFramebufferTextureLayer(fbo_target
, attachment
,
140 resource
->object
, resource
->level
, resource
->layer
);
141 checkGLcall("glFramebufferTextureLayer()");
145 gl_info
->fbo_ops
.glFramebufferTexture2D(fbo_target
, attachment
,
146 resource
->target
, resource
->object
, resource
->level
);
147 checkGLcall("glFramebufferTexture2D()");
151 /* Context activation is done by the caller. */
152 static void context_attach_depth_stencil_fbo(struct wined3d_context
*context
,
153 GLenum fbo_target
, const struct wined3d_fbo_resource
*resource
, BOOL rb_namespace
,
156 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
158 if (resource
->object
)
160 TRACE("Attach depth stencil %u.\n", resource
->object
);
164 context_attach_depth_stencil_rb(gl_info
, fbo_target
,
165 flags
, resource
->object
);
169 if (flags
& WINED3D_FBO_ENTRY_FLAG_DEPTH
)
170 context_attach_gl_texture_fbo(context
, fbo_target
, GL_DEPTH_ATTACHMENT
, resource
);
172 if (flags
& WINED3D_FBO_ENTRY_FLAG_STENCIL
)
173 context_attach_gl_texture_fbo(context
, fbo_target
, GL_STENCIL_ATTACHMENT
, resource
);
176 if (!(flags
& WINED3D_FBO_ENTRY_FLAG_DEPTH
))
177 context_attach_gl_texture_fbo(context
, fbo_target
, GL_DEPTH_ATTACHMENT
, NULL
);
179 if (!(flags
& WINED3D_FBO_ENTRY_FLAG_STENCIL
))
180 context_attach_gl_texture_fbo(context
, fbo_target
, GL_STENCIL_ATTACHMENT
, NULL
);
184 TRACE("Attach depth stencil 0.\n");
186 context_attach_gl_texture_fbo(context
, fbo_target
, GL_DEPTH_ATTACHMENT
, NULL
);
187 context_attach_gl_texture_fbo(context
, fbo_target
, GL_STENCIL_ATTACHMENT
, NULL
);
191 /* Context activation is done by the caller. */
192 static void context_attach_surface_fbo(struct wined3d_context
*context
,
193 GLenum fbo_target
, DWORD idx
, const struct wined3d_fbo_resource
*resource
, BOOL rb_namespace
)
195 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
197 TRACE("Attach GL object %u to %u.\n", resource
->object
, idx
);
199 if (resource
->object
)
204 gl_info
->fbo_ops
.glFramebufferRenderbuffer(fbo_target
, GL_COLOR_ATTACHMENT0
+ idx
,
205 GL_RENDERBUFFER
, resource
->object
);
206 checkGLcall("glFramebufferRenderbuffer()");
210 context_attach_gl_texture_fbo(context
, fbo_target
, GL_COLOR_ATTACHMENT0
+ idx
, resource
);
215 context_attach_gl_texture_fbo(context
, fbo_target
, GL_COLOR_ATTACHMENT0
+ idx
, NULL
);
219 static void context_dump_fbo_attachment(const struct wined3d_gl_info
*gl_info
, GLenum target
,
227 enum wined3d_gl_extension extension
;
231 {GL_TEXTURE_2D
, GL_TEXTURE_BINDING_2D
, "2d", WINED3D_GL_EXT_NONE
},
232 {GL_TEXTURE_RECTANGLE_ARB
, GL_TEXTURE_BINDING_RECTANGLE_ARB
, "rectangle", ARB_TEXTURE_RECTANGLE
},
233 {GL_TEXTURE_2D_ARRAY
, GL_TEXTURE_BINDING_2D_ARRAY
, "2d-array", EXT_TEXTURE_ARRAY
},
236 GLint type
, name
, samples
, width
, height
, old_texture
, level
, face
, fmt
, tex_target
;
238 gl_info
->fbo_ops
.glGetFramebufferAttachmentParameteriv(target
, attachment
,
239 GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME
, &name
);
240 gl_info
->fbo_ops
.glGetFramebufferAttachmentParameteriv(target
, attachment
,
241 GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE
, &type
);
243 if (type
== GL_RENDERBUFFER
)
245 gl_info
->fbo_ops
.glBindRenderbuffer(GL_RENDERBUFFER
, name
);
246 gl_info
->fbo_ops
.glGetRenderbufferParameteriv(GL_RENDERBUFFER
, GL_RENDERBUFFER_WIDTH
, &width
);
247 gl_info
->fbo_ops
.glGetRenderbufferParameteriv(GL_RENDERBUFFER
, GL_RENDERBUFFER_HEIGHT
, &height
);
248 if (gl_info
->limits
.samples
> 1)
249 gl_info
->fbo_ops
.glGetRenderbufferParameteriv(GL_RENDERBUFFER
, GL_RENDERBUFFER_SAMPLES
, &samples
);
252 gl_info
->fbo_ops
.glGetRenderbufferParameteriv(GL_RENDERBUFFER
, GL_RENDERBUFFER_INTERNAL_FORMAT
, &fmt
);
253 FIXME(" %s: renderbuffer %d, %dx%d, %d samples, format %#x.\n",
254 debug_fboattachment(attachment
), name
, width
, height
, samples
, fmt
);
256 else if (type
== GL_TEXTURE
)
258 const char *tex_type_str
;
260 gl_info
->fbo_ops
.glGetFramebufferAttachmentParameteriv(target
, attachment
,
261 GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL
, &level
);
262 gl_info
->fbo_ops
.glGetFramebufferAttachmentParameteriv(target
, attachment
,
263 GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE
, &face
);
267 gl_info
->gl_ops
.gl
.p_glGetIntegerv(GL_TEXTURE_BINDING_CUBE_MAP
, &old_texture
);
269 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_CUBE_MAP
, name
);
270 gl_info
->gl_ops
.gl
.p_glGetTexLevelParameteriv(face
, level
, GL_TEXTURE_INTERNAL_FORMAT
, &fmt
);
271 gl_info
->gl_ops
.gl
.p_glGetTexLevelParameteriv(face
, level
, GL_TEXTURE_WIDTH
, &width
);
272 gl_info
->gl_ops
.gl
.p_glGetTexLevelParameteriv(face
, level
, GL_TEXTURE_HEIGHT
, &height
);
274 tex_target
= GL_TEXTURE_CUBE_MAP
;
275 tex_type_str
= "cube";
282 for (i
= 0; i
< sizeof(texture_type
) / sizeof(*texture_type
); ++i
)
284 if (!gl_info
->supported
[texture_type
[i
].extension
])
287 gl_info
->gl_ops
.gl
.p_glGetIntegerv(texture_type
[i
].binding
, &old_texture
);
288 while (gl_info
->gl_ops
.gl
.p_glGetError());
290 gl_info
->gl_ops
.gl
.p_glBindTexture(texture_type
[i
].target
, name
);
291 if (!gl_info
->gl_ops
.gl
.p_glGetError())
293 tex_target
= texture_type
[i
].target
;
294 tex_type_str
= texture_type
[i
].str
;
297 gl_info
->gl_ops
.gl
.p_glBindTexture(texture_type
[i
].target
, old_texture
);
301 FIXME("Cannot find type of texture %d.\n", name
);
305 gl_info
->gl_ops
.gl
.p_glGetTexLevelParameteriv(tex_target
, level
, GL_TEXTURE_INTERNAL_FORMAT
, &fmt
);
306 gl_info
->gl_ops
.gl
.p_glGetTexLevelParameteriv(tex_target
, level
, GL_TEXTURE_WIDTH
, &width
);
307 gl_info
->gl_ops
.gl
.p_glGetTexLevelParameteriv(tex_target
, level
, GL_TEXTURE_HEIGHT
, &height
);
310 FIXME(" %s: %s texture %d, %dx%d, format %#x.\n", debug_fboattachment(attachment
),
311 tex_type_str
, name
, width
, height
, fmt
);
313 gl_info
->gl_ops
.gl
.p_glBindTexture(tex_target
, old_texture
);
314 checkGLcall("Guess texture type");
316 else if (type
== GL_NONE
)
318 FIXME(" %s: NONE.\n", debug_fboattachment(attachment
));
322 ERR(" %s: Unknown attachment %#x.\n", debug_fboattachment(attachment
), type
);
326 /* Context activation is done by the caller. */
327 void context_check_fbo_status(const struct wined3d_context
*context
, GLenum target
)
329 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
332 if (!FIXME_ON(d3d
)) return;
334 status
= gl_info
->fbo_ops
.glCheckFramebufferStatus(target
);
335 if (status
== GL_FRAMEBUFFER_COMPLETE
)
337 TRACE("FBO complete\n");
343 FIXME("FBO status %s (%#x)\n", debug_fbostatus(status
), status
);
345 if (!context
->current_fbo
)
347 ERR("FBO 0 is incomplete, driver bug?\n");
351 context_dump_fbo_attachment(gl_info
, target
, GL_DEPTH_ATTACHMENT
);
352 context_dump_fbo_attachment(gl_info
, target
, GL_STENCIL_ATTACHMENT
);
354 for (i
= 0; i
< gl_info
->limits
.buffers
; ++i
)
355 context_dump_fbo_attachment(gl_info
, target
, GL_COLOR_ATTACHMENT0
+ i
);
356 checkGLcall("Dump FBO attachments");
360 static inline DWORD
context_generate_rt_mask(GLenum buffer
)
362 /* Should take care of all the GL_FRONT/GL_BACK/GL_AUXi/GL_NONE... cases */
363 return buffer
? (1u << 31) | buffer
: 0;
366 static inline DWORD
context_generate_rt_mask_from_resource(struct wined3d_resource
*resource
)
368 if (resource
->type
!= WINED3D_RTYPE_TEXTURE_2D
)
370 FIXME("Not implemented for %s resources.\n", debug_d3dresourcetype(resource
->type
));
374 return (1u << 31) | wined3d_texture_get_gl_buffer(texture_from_resource(resource
));
377 static inline void context_set_fbo_key_for_surface(const struct wined3d_context
*context
,
378 struct wined3d_fbo_entry_key
*key
, UINT idx
, struct wined3d_surface
*surface
,
381 if (!surface
|| surface
->container
->resource
.format
->id
== WINED3DFMT_NULL
)
383 key
->objects
[idx
].object
= 0;
384 key
->objects
[idx
].target
= 0;
385 key
->objects
[idx
].level
= key
->objects
[idx
].layer
= 0;
387 else if (surface
->current_renderbuffer
)
389 key
->objects
[idx
].object
= surface
->current_renderbuffer
->id
;
390 key
->objects
[idx
].target
= 0;
391 key
->objects
[idx
].level
= key
->objects
[idx
].layer
= 0;
392 key
->rb_namespace
|= 1 << idx
;
398 case WINED3D_LOCATION_TEXTURE_RGB
:
399 key
->objects
[idx
].object
= surface_get_texture_name(surface
, context
, FALSE
);
400 key
->objects
[idx
].target
= surface
->texture_target
;
401 key
->objects
[idx
].level
= surface
->texture_level
;
402 key
->objects
[idx
].layer
= surface
->texture_layer
;
405 case WINED3D_LOCATION_TEXTURE_SRGB
:
406 key
->objects
[idx
].object
= surface_get_texture_name(surface
, context
, TRUE
);
407 key
->objects
[idx
].target
= surface
->texture_target
;
408 key
->objects
[idx
].level
= surface
->texture_level
;
409 key
->objects
[idx
].layer
= surface
->texture_layer
;
412 case WINED3D_LOCATION_RB_MULTISAMPLE
:
413 key
->objects
[idx
].object
= surface
->container
->rb_multisample
;
414 key
->objects
[idx
].target
= 0;
415 key
->objects
[idx
].level
= key
->objects
[idx
].layer
= 0;
416 key
->rb_namespace
|= 1 << idx
;
419 case WINED3D_LOCATION_RB_RESOLVED
:
420 key
->objects
[idx
].object
= surface
->container
->rb_resolved
;
421 key
->objects
[idx
].target
= 0;
422 key
->objects
[idx
].level
= key
->objects
[idx
].layer
= 0;
423 key
->rb_namespace
|= 1 << idx
;
429 static void context_generate_fbo_key(const struct wined3d_context
*context
,
430 struct wined3d_fbo_entry_key
*key
, struct wined3d_surface
**render_targets
,
431 struct wined3d_surface
*depth_stencil
, DWORD color_location
,
436 key
->rb_namespace
= 0;
437 context_set_fbo_key_for_surface(context
, key
, 0, depth_stencil
, ds_location
);
439 for (i
= 0; i
< context
->gl_info
->limits
.buffers
; ++i
)
440 context_set_fbo_key_for_surface(context
, key
, i
+ 1, render_targets
[i
], color_location
);
443 static struct fbo_entry
*context_create_fbo_entry(const struct wined3d_context
*context
,
444 struct wined3d_surface
**render_targets
, struct wined3d_surface
*depth_stencil
,
445 DWORD color_location
, DWORD ds_location
)
447 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
448 struct fbo_entry
*entry
;
449 UINT object_count
= gl_info
->limits
.buffers
+ 1;
451 entry
= HeapAlloc(GetProcessHeap(), 0,
452 FIELD_OFFSET(struct fbo_entry
, key
.objects
[object_count
]));
453 memset(&entry
->key
, 0, FIELD_OFFSET(struct wined3d_fbo_entry_key
, objects
[object_count
]));
454 context_generate_fbo_key(context
, &entry
->key
, render_targets
, depth_stencil
, color_location
, ds_location
);
458 if (depth_stencil
->container
->resource
.format_flags
& WINED3DFMT_FLAG_DEPTH
)
459 entry
->flags
|= WINED3D_FBO_ENTRY_FLAG_DEPTH
;
460 if (depth_stencil
->container
->resource
.format_flags
& WINED3DFMT_FLAG_STENCIL
)
461 entry
->flags
|= WINED3D_FBO_ENTRY_FLAG_STENCIL
;
463 entry
->rt_mask
= context_generate_rt_mask(GL_COLOR_ATTACHMENT0
);
464 gl_info
->fbo_ops
.glGenFramebuffers(1, &entry
->id
);
465 checkGLcall("glGenFramebuffers()");
466 TRACE("Created FBO %u.\n", entry
->id
);
471 /* Context activation is done by the caller. */
472 static void context_reuse_fbo_entry(struct wined3d_context
*context
, GLenum target
,
473 struct wined3d_surface
**render_targets
, struct wined3d_surface
*depth_stencil
,
474 DWORD color_location
, DWORD ds_location
, struct fbo_entry
*entry
)
476 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
478 context_bind_fbo(context
, target
, entry
->id
);
479 context_clean_fbo_attachments(gl_info
, target
);
481 context_generate_fbo_key(context
, &entry
->key
, render_targets
, depth_stencil
, color_location
, ds_location
);
485 if (depth_stencil
->container
->resource
.format_flags
& WINED3DFMT_FLAG_DEPTH
)
486 entry
->flags
|= WINED3D_FBO_ENTRY_FLAG_DEPTH
;
487 if (depth_stencil
->container
->resource
.format_flags
& WINED3DFMT_FLAG_STENCIL
)
488 entry
->flags
|= WINED3D_FBO_ENTRY_FLAG_STENCIL
;
492 /* Context activation is done by the caller. */
493 static void context_destroy_fbo_entry(struct wined3d_context
*context
, struct fbo_entry
*entry
)
497 TRACE("Destroy FBO %u.\n", entry
->id
);
498 context_destroy_fbo(context
, entry
->id
);
500 --context
->fbo_entry_count
;
501 list_remove(&entry
->entry
);
502 HeapFree(GetProcessHeap(), 0, entry
);
505 /* Context activation is done by the caller. */
506 static struct fbo_entry
*context_find_fbo_entry(struct wined3d_context
*context
, GLenum target
,
507 struct wined3d_surface
**render_targets
, struct wined3d_surface
*depth_stencil
,
508 DWORD color_location
, DWORD ds_location
)
510 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
511 unsigned int object_count
= gl_info
->limits
.buffers
+ 1;
512 struct wined3d_texture
*rt_texture
, *ds_texture
;
513 struct fbo_entry
*entry
;
516 if (depth_stencil
&& render_targets
[0])
518 rt_texture
= render_targets
[0]->container
;
519 ds_texture
= depth_stencil
->container
;
521 if (wined3d_texture_get_level_width(ds_texture
, depth_stencil
->texture_level
)
522 < wined3d_texture_get_level_width(rt_texture
, render_targets
[0]->texture_level
)
523 || wined3d_texture_get_level_height(ds_texture
, depth_stencil
->texture_level
)
524 < wined3d_texture_get_level_height(rt_texture
, render_targets
[0]->texture_level
))
526 WARN("Depth stencil is smaller than the primary color buffer, disabling.\n");
527 depth_stencil
= NULL
;
529 else if (ds_texture
->resource
.multisample_type
!= rt_texture
->resource
.multisample_type
530 || ds_texture
->resource
.multisample_quality
!= rt_texture
->resource
.multisample_quality
)
532 WARN("Color multisample type %u and quality %u, depth stencil has %u and %u, disabling ds buffer.\n",
533 rt_texture
->resource
.multisample_type
, rt_texture
->resource
.multisample_quality
,
534 ds_texture
->resource
.multisample_type
, ds_texture
->resource
.multisample_quality
);
535 depth_stencil
= NULL
;
538 surface_set_compatible_renderbuffer(depth_stencil
, render_targets
[0]);
541 context_generate_fbo_key(context
, context
->fbo_key
, render_targets
, depth_stencil
, color_location
,
546 TRACE("Dumping FBO attachments:\n");
547 for (i
= 0; i
< gl_info
->limits
.buffers
; ++i
)
549 if (render_targets
[i
])
551 rt_texture
= render_targets
[i
]->container
;
552 TRACE(" Color attachment %u: %p format %s, %s %u, %ux%u, %u samples.\n",
553 i
, render_targets
[i
], debug_d3dformat(rt_texture
->resource
.format
->id
),
554 context
->fbo_key
->rb_namespace
& (1 << (i
+ 1)) ? "renderbuffer" : "texture",
555 context
->fbo_key
->objects
[i
+ 1].object
,
556 wined3d_texture_get_level_pow2_width(rt_texture
, render_targets
[i
]->texture_level
),
557 wined3d_texture_get_level_pow2_height(rt_texture
, render_targets
[i
]->texture_level
),
558 rt_texture
->resource
.multisample_type
);
563 ds_texture
= depth_stencil
->container
;
564 TRACE(" Depth attachment: %p format %s, %s %u, %ux%u, %u samples.\n",
565 depth_stencil
, debug_d3dformat(ds_texture
->resource
.format
->id
),
566 context
->fbo_key
->rb_namespace
& (1 << 0) ? "renderbuffer" : "texture",
567 context
->fbo_key
->objects
[0].object
,
568 wined3d_texture_get_level_pow2_width(ds_texture
, depth_stencil
->texture_level
),
569 wined3d_texture_get_level_pow2_height(ds_texture
, depth_stencil
->texture_level
),
570 ds_texture
->resource
.multisample_type
);
574 LIST_FOR_EACH_ENTRY(entry
, &context
->fbo_list
, struct fbo_entry
, entry
)
576 if (memcmp(context
->fbo_key
, &entry
->key
, FIELD_OFFSET(struct wined3d_fbo_entry_key
, objects
[object_count
])))
579 list_remove(&entry
->entry
);
580 list_add_head(&context
->fbo_list
, &entry
->entry
);
584 if (context
->fbo_entry_count
< WINED3D_MAX_FBO_ENTRIES
)
586 entry
= context_create_fbo_entry(context
, render_targets
, depth_stencil
, color_location
, ds_location
);
587 list_add_head(&context
->fbo_list
, &entry
->entry
);
588 ++context
->fbo_entry_count
;
592 entry
= LIST_ENTRY(list_tail(&context
->fbo_list
), struct fbo_entry
, entry
);
593 context_reuse_fbo_entry(context
, target
, render_targets
, depth_stencil
, color_location
, ds_location
, entry
);
594 list_remove(&entry
->entry
);
595 list_add_head(&context
->fbo_list
, &entry
->entry
);
601 /* Context activation is done by the caller. */
602 static void context_apply_fbo_entry(struct wined3d_context
*context
, GLenum target
, struct fbo_entry
*entry
)
604 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
606 GLuint read_binding
, draw_binding
;
608 if (entry
->flags
& WINED3D_FBO_ENTRY_FLAG_ATTACHED
)
610 context_bind_fbo(context
, target
, entry
->id
);
614 read_binding
= context
->fbo_read_binding
;
615 draw_binding
= context
->fbo_draw_binding
;
616 context_bind_fbo(context
, GL_FRAMEBUFFER
, entry
->id
);
618 /* Apply render targets */
619 for (i
= 0; i
< gl_info
->limits
.buffers
; ++i
)
621 context_attach_surface_fbo(context
, target
, i
, &entry
->key
.objects
[i
+ 1],
622 entry
->key
.rb_namespace
& (1 << (i
+ 1)));
625 context_attach_depth_stencil_fbo(context
, target
, &entry
->key
.objects
[0],
626 entry
->key
.rb_namespace
& 0x1, entry
->flags
);
628 /* Set valid read and draw buffer bindings to satisfy pedantic pre-ES2_compatibility
629 * GL contexts requirements. */
630 gl_info
->gl_ops
.gl
.p_glReadBuffer(GL_NONE
);
631 context_set_draw_buffer(context
, GL_NONE
);
632 if (target
!= GL_FRAMEBUFFER
)
634 if (target
== GL_READ_FRAMEBUFFER
)
635 context_bind_fbo(context
, GL_DRAW_FRAMEBUFFER
, draw_binding
);
637 context_bind_fbo(context
, GL_READ_FRAMEBUFFER
, read_binding
);
640 entry
->flags
|= WINED3D_FBO_ENTRY_FLAG_ATTACHED
;
643 /* Context activation is done by the caller. */
644 static void context_apply_fbo_state(struct wined3d_context
*context
, GLenum target
,
645 struct wined3d_surface
**render_targets
, struct wined3d_surface
*depth_stencil
,
646 DWORD color_location
, DWORD ds_location
)
648 struct fbo_entry
*entry
, *entry2
;
650 LIST_FOR_EACH_ENTRY_SAFE(entry
, entry2
, &context
->fbo_destroy_list
, struct fbo_entry
, entry
)
652 context_destroy_fbo_entry(context
, entry
);
655 if (context
->rebind_fbo
)
657 context_bind_fbo(context
, GL_FRAMEBUFFER
, 0);
658 context
->rebind_fbo
= FALSE
;
661 if (color_location
== WINED3D_LOCATION_DRAWABLE
)
663 context
->current_fbo
= NULL
;
664 context_bind_fbo(context
, target
, 0);
668 context
->current_fbo
= context_find_fbo_entry(context
, target
, render_targets
, depth_stencil
,
669 color_location
, ds_location
);
670 context_apply_fbo_entry(context
, target
, context
->current_fbo
);
674 /* Context activation is done by the caller. */
675 void context_apply_fbo_state_blit(struct wined3d_context
*context
, GLenum target
,
676 struct wined3d_surface
*render_target
, struct wined3d_surface
*depth_stencil
, DWORD location
)
678 UINT clear_size
= (context
->gl_info
->limits
.buffers
- 1) * sizeof(*context
->blit_targets
);
680 context
->blit_targets
[0] = render_target
;
682 memset(&context
->blit_targets
[1], 0, clear_size
);
683 context_apply_fbo_state(context
, target
, context
->blit_targets
, depth_stencil
, location
, location
);
686 /* Context activation is done by the caller. */
687 void context_alloc_occlusion_query(struct wined3d_context
*context
, struct wined3d_occlusion_query
*query
)
689 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
691 if (context
->free_occlusion_query_count
)
693 query
->id
= context
->free_occlusion_queries
[--context
->free_occlusion_query_count
];
697 if (gl_info
->supported
[ARB_OCCLUSION_QUERY
])
699 GL_EXTCALL(glGenQueries(1, &query
->id
));
700 checkGLcall("glGenQueries");
702 TRACE("Allocated occlusion query %u in context %p.\n", query
->id
, context
);
706 WARN("Occlusion queries not supported, not allocating query id.\n");
711 query
->context
= context
;
712 list_add_head(&context
->occlusion_queries
, &query
->entry
);
715 void context_free_occlusion_query(struct wined3d_occlusion_query
*query
)
717 struct wined3d_context
*context
= query
->context
;
719 list_remove(&query
->entry
);
720 query
->context
= NULL
;
722 if (context
->free_occlusion_query_count
>= context
->free_occlusion_query_size
- 1)
724 UINT new_size
= context
->free_occlusion_query_size
<< 1;
725 GLuint
*new_data
= HeapReAlloc(GetProcessHeap(), 0, context
->free_occlusion_queries
,
726 new_size
* sizeof(*context
->free_occlusion_queries
));
730 ERR("Failed to grow free list, leaking query %u in context %p.\n", query
->id
, context
);
734 context
->free_occlusion_query_size
= new_size
;
735 context
->free_occlusion_queries
= new_data
;
738 context
->free_occlusion_queries
[context
->free_occlusion_query_count
++] = query
->id
;
741 /* Context activation is done by the caller. */
742 void context_alloc_event_query(struct wined3d_context
*context
, struct wined3d_event_query
*query
)
744 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
746 if (context
->free_event_query_count
)
748 query
->object
= context
->free_event_queries
[--context
->free_event_query_count
];
752 if (gl_info
->supported
[ARB_SYNC
])
754 /* Using ARB_sync, not much to do here. */
755 query
->object
.sync
= NULL
;
756 TRACE("Allocated event query %p in context %p.\n", query
->object
.sync
, context
);
758 else if (gl_info
->supported
[APPLE_FENCE
])
760 GL_EXTCALL(glGenFencesAPPLE(1, &query
->object
.id
));
761 checkGLcall("glGenFencesAPPLE");
763 TRACE("Allocated event query %u in context %p.\n", query
->object
.id
, context
);
765 else if(gl_info
->supported
[NV_FENCE
])
767 GL_EXTCALL(glGenFencesNV(1, &query
->object
.id
));
768 checkGLcall("glGenFencesNV");
770 TRACE("Allocated event query %u in context %p.\n", query
->object
.id
, context
);
774 WARN("Event queries not supported, not allocating query id.\n");
775 query
->object
.id
= 0;
779 query
->context
= context
;
780 list_add_head(&context
->event_queries
, &query
->entry
);
783 void context_free_event_query(struct wined3d_event_query
*query
)
785 struct wined3d_context
*context
= query
->context
;
787 list_remove(&query
->entry
);
788 query
->context
= NULL
;
790 if (context
->free_event_query_count
>= context
->free_event_query_size
- 1)
792 UINT new_size
= context
->free_event_query_size
<< 1;
793 union wined3d_gl_query_object
*new_data
= HeapReAlloc(GetProcessHeap(), 0, context
->free_event_queries
,
794 new_size
* sizeof(*context
->free_event_queries
));
798 ERR("Failed to grow free list, leaking query %u in context %p.\n", query
->object
.id
, context
);
802 context
->free_event_query_size
= new_size
;
803 context
->free_event_queries
= new_data
;
806 context
->free_event_queries
[context
->free_event_query_count
++] = query
->object
;
809 /* Context activation is done by the caller. */
810 void context_alloc_timestamp_query(struct wined3d_context
*context
, struct wined3d_timestamp_query
*query
)
812 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
814 if (context
->free_timestamp_query_count
)
816 query
->id
= context
->free_timestamp_queries
[--context
->free_timestamp_query_count
];
820 GL_EXTCALL(glGenQueries(1, &query
->id
));
821 checkGLcall("glGenQueries");
823 TRACE("Allocated timestamp query %u in context %p.\n", query
->id
, context
);
826 query
->context
= context
;
827 list_add_head(&context
->timestamp_queries
, &query
->entry
);
830 void context_free_timestamp_query(struct wined3d_timestamp_query
*query
)
832 struct wined3d_context
*context
= query
->context
;
834 list_remove(&query
->entry
);
835 query
->context
= NULL
;
837 if (context
->free_timestamp_query_count
>= context
->free_timestamp_query_size
- 1)
839 UINT new_size
= context
->free_timestamp_query_size
<< 1;
840 GLuint
*new_data
= HeapReAlloc(GetProcessHeap(), 0, context
->free_timestamp_queries
,
841 new_size
* sizeof(*context
->free_timestamp_queries
));
845 ERR("Failed to grow free list, leaking query %u in context %p.\n", query
->id
, context
);
849 context
->free_timestamp_query_size
= new_size
;
850 context
->free_timestamp_queries
= new_data
;
853 context
->free_timestamp_queries
[context
->free_timestamp_query_count
++] = query
->id
;
856 typedef void (context_fbo_entry_func_t
)(struct wined3d_context
*context
, struct fbo_entry
*entry
);
858 static void context_enum_fbo_entries(const struct wined3d_device
*device
,
859 GLuint name
, BOOL rb_namespace
, context_fbo_entry_func_t
*callback
)
863 for (i
= 0; i
< device
->context_count
; ++i
)
865 struct wined3d_context
*context
= device
->contexts
[i
];
866 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
867 struct fbo_entry
*entry
, *entry2
;
869 LIST_FOR_EACH_ENTRY_SAFE(entry
, entry2
, &context
->fbo_list
, struct fbo_entry
, entry
)
873 for (j
= 0; j
< gl_info
->limits
.buffers
+ 1; ++j
)
875 if (entry
->key
.objects
[j
].object
== name
876 && !(entry
->key
.rb_namespace
& (1 << j
)) == !rb_namespace
)
878 callback(context
, entry
);
886 static void context_queue_fbo_entry_destruction(struct wined3d_context
*context
, struct fbo_entry
*entry
)
888 list_remove(&entry
->entry
);
889 list_add_head(&context
->fbo_destroy_list
, &entry
->entry
);
892 void context_resource_released(const struct wined3d_device
*device
,
893 struct wined3d_resource
*resource
, enum wined3d_resource_type type
)
895 struct wined3d_texture
*texture
;
898 if (!device
->d3d_initialized
)
903 case WINED3D_RTYPE_TEXTURE_2D
:
904 case WINED3D_RTYPE_TEXTURE_3D
:
905 texture
= texture_from_resource(resource
);
907 for (i
= 0; i
< device
->context_count
; ++i
)
909 struct wined3d_context
*context
= device
->contexts
[i
];
910 if (context
->current_rt
.texture
== texture
)
912 context
->current_rt
.texture
= NULL
;
913 context
->current_rt
.sub_resource_idx
= 0;
923 void context_gl_resource_released(struct wined3d_device
*device
,
924 GLuint name
, BOOL rb_namespace
)
926 context_enum_fbo_entries(device
, name
, rb_namespace
, context_queue_fbo_entry_destruction
);
929 void context_surface_update(struct wined3d_context
*context
, const struct wined3d_surface
*surface
)
931 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
932 struct fbo_entry
*entry
= context
->current_fbo
;
935 if (!entry
|| context
->rebind_fbo
) return;
937 for (i
= 0; i
< gl_info
->limits
.buffers
+ 1; ++i
)
939 if (surface
->container
->texture_rgb
.name
== entry
->key
.objects
[i
].object
940 || surface
->container
->texture_srgb
.name
== entry
->key
.objects
[i
].object
)
942 TRACE("Updated surface %p is bound as attachment %u to the current FBO.\n", surface
, i
);
943 context
->rebind_fbo
= TRUE
;
949 static BOOL
context_restore_pixel_format(struct wined3d_context
*ctx
)
951 const struct wined3d_gl_info
*gl_info
= ctx
->gl_info
;
954 if (ctx
->restore_pf
&& IsWindow(ctx
->restore_pf_win
))
956 if (ctx
->gl_info
->supported
[WGL_WINE_PIXEL_FORMAT_PASSTHROUGH
])
958 HDC dc
= GetDCEx(ctx
->restore_pf_win
, 0, DCX_USESTYLE
| DCX_CACHE
);
961 if (!(ret
= GL_EXTCALL(wglSetPixelFormatWINE(dc
, ctx
->restore_pf
))))
963 ERR("wglSetPixelFormatWINE failed to restore pixel format %d on window %p.\n",
964 ctx
->restore_pf
, ctx
->restore_pf_win
);
966 ReleaseDC(ctx
->restore_pf_win
, dc
);
971 ERR("can't restore pixel format %d on window %p\n", ctx
->restore_pf
, ctx
->restore_pf_win
);
976 ctx
->restore_pf_win
= NULL
;
980 static BOOL
context_set_pixel_format(struct wined3d_context
*context
, HDC dc
, BOOL
private, int format
)
982 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
985 if (dc
== context
->hdc
&& context
->hdc_is_private
&& context
->hdc_has_format
)
988 current
= gl_info
->gl_ops
.wgl
.p_wglGetPixelFormat(dc
);
989 if (current
== format
) goto success
;
993 if (!SetPixelFormat(dc
, format
, NULL
))
995 /* This may also happen if the dc belongs to a destroyed window. */
996 WARN("Failed to set pixel format %d on device context %p, last error %#x.\n",
997 format
, dc
, GetLastError());
1001 context
->restore_pf
= 0;
1002 context
->restore_pf_win
= private ? NULL
: WindowFromDC(dc
);
1006 /* By default WGL doesn't allow pixel format adjustments but we need it
1007 * here. For this reason there's a Wine specific wglSetPixelFormat()
1008 * which allows us to set the pixel format multiple times. Only use it
1009 * when really needed. */
1010 if (gl_info
->supported
[WGL_WINE_PIXEL_FORMAT_PASSTHROUGH
])
1014 if (!GL_EXTCALL(wglSetPixelFormatWINE(dc
, format
)))
1016 ERR("wglSetPixelFormatWINE failed to set pixel format %d on device context %p.\n",
1021 win
= private ? NULL
: WindowFromDC(dc
);
1022 if (win
!= context
->restore_pf_win
)
1024 context_restore_pixel_format(context
);
1026 context
->restore_pf
= private ? 0 : current
;
1027 context
->restore_pf_win
= win
;
1033 /* OpenGL doesn't allow pixel format adjustments. Print an error and
1034 * continue using the old format. There's a big chance that the old
1035 * format works although with a performance hit and perhaps rendering
1037 ERR("Unable to set pixel format %d on device context %p. Already using format %d.\n",
1038 format
, dc
, current
);
1042 if (dc
== context
->hdc
&& context
->hdc_is_private
)
1043 context
->hdc_has_format
= TRUE
;
1047 static BOOL
context_set_gl_context(struct wined3d_context
*ctx
)
1049 struct wined3d_swapchain
*swapchain
= ctx
->swapchain
;
1050 BOOL backup
= FALSE
;
1052 if (!context_set_pixel_format(ctx
, ctx
->hdc
, ctx
->hdc_is_private
, ctx
->pixel_format
))
1054 WARN("Failed to set pixel format %d on device context %p.\n",
1055 ctx
->pixel_format
, ctx
->hdc
);
1059 if (backup
|| !wglMakeCurrent(ctx
->hdc
, ctx
->glCtx
))
1063 WARN("Failed to make GL context %p current on device context %p, last error %#x.\n",
1064 ctx
->glCtx
, ctx
->hdc
, GetLastError());
1066 WARN("Trying fallback to the backup window.\n");
1068 /* FIXME: If the context is destroyed it's no longer associated with
1069 * a swapchain, so we can't use the swapchain to get a backup dc. To
1070 * make this work windowless contexts would need to be handled by the
1072 if (ctx
->destroyed
|| !swapchain
)
1074 FIXME("Unable to get backup dc for destroyed context %p.\n", ctx
);
1075 context_set_current(NULL
);
1079 if (!(dc
= swapchain_get_backup_dc(swapchain
)))
1081 context_set_current(NULL
);
1085 if (!context_set_pixel_format(ctx
, dc
, TRUE
, ctx
->pixel_format
))
1087 ERR("Failed to set pixel format %d on device context %p.\n",
1088 ctx
->pixel_format
, dc
);
1089 context_set_current(NULL
);
1093 if (!wglMakeCurrent(dc
, ctx
->glCtx
))
1095 ERR("Fallback to backup window (dc %p) failed too, last error %#x.\n",
1096 dc
, GetLastError());
1097 context_set_current(NULL
);
1107 static void context_restore_gl_context(const struct wined3d_gl_info
*gl_info
, HDC dc
, HGLRC gl_ctx
)
1109 if (!wglMakeCurrent(dc
, gl_ctx
))
1111 ERR("Failed to restore GL context %p on device context %p, last error %#x.\n",
1112 gl_ctx
, dc
, GetLastError());
1113 context_set_current(NULL
);
1117 static void context_update_window(struct wined3d_context
*context
)
1119 if (!context
->swapchain
)
1122 if (context
->win_handle
== context
->swapchain
->win_handle
)
1125 TRACE("Updating context %p window from %p to %p.\n",
1126 context
, context
->win_handle
, context
->swapchain
->win_handle
);
1129 wined3d_release_dc(context
->win_handle
, context
->hdc
);
1131 context
->win_handle
= context
->swapchain
->win_handle
;
1132 context
->hdc_is_private
= FALSE
;
1133 context
->hdc_has_format
= FALSE
;
1134 context
->needs_set
= 1;
1137 if (!(context
->hdc
= GetDCEx(context
->win_handle
, 0, DCX_USESTYLE
| DCX_CACHE
)))
1139 ERR("Failed to get a device context for window %p.\n", context
->win_handle
);
1144 static void context_destroy_gl_resources(struct wined3d_context
*context
)
1146 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
1147 struct wined3d_timestamp_query
*timestamp_query
;
1148 struct wined3d_occlusion_query
*occlusion_query
;
1149 struct wined3d_event_query
*event_query
;
1150 struct fbo_entry
*entry
, *entry2
;
1155 restore_ctx
= wglGetCurrentContext();
1156 restore_dc
= wglGetCurrentDC();
1158 if (restore_ctx
== context
->glCtx
)
1160 else if (context
->valid
)
1161 context_set_gl_context(context
);
1163 LIST_FOR_EACH_ENTRY(timestamp_query
, &context
->timestamp_queries
, struct wined3d_timestamp_query
, entry
)
1166 GL_EXTCALL(glDeleteQueries(1, ×tamp_query
->id
));
1167 timestamp_query
->context
= NULL
;
1170 LIST_FOR_EACH_ENTRY(occlusion_query
, &context
->occlusion_queries
, struct wined3d_occlusion_query
, entry
)
1172 if (context
->valid
&& gl_info
->supported
[ARB_OCCLUSION_QUERY
])
1173 GL_EXTCALL(glDeleteQueries(1, &occlusion_query
->id
));
1174 occlusion_query
->context
= NULL
;
1177 LIST_FOR_EACH_ENTRY(event_query
, &context
->event_queries
, struct wined3d_event_query
, entry
)
1181 if (gl_info
->supported
[ARB_SYNC
])
1183 if (event_query
->object
.sync
) GL_EXTCALL(glDeleteSync(event_query
->object
.sync
));
1185 else if (gl_info
->supported
[APPLE_FENCE
]) GL_EXTCALL(glDeleteFencesAPPLE(1, &event_query
->object
.id
));
1186 else if (gl_info
->supported
[NV_FENCE
]) GL_EXTCALL(glDeleteFencesNV(1, &event_query
->object
.id
));
1188 event_query
->context
= NULL
;
1191 LIST_FOR_EACH_ENTRY_SAFE(entry
, entry2
, &context
->fbo_destroy_list
, struct fbo_entry
, entry
)
1193 if (!context
->valid
) entry
->id
= 0;
1194 context_destroy_fbo_entry(context
, entry
);
1197 LIST_FOR_EACH_ENTRY_SAFE(entry
, entry2
, &context
->fbo_list
, struct fbo_entry
, entry
)
1199 if (!context
->valid
) entry
->id
= 0;
1200 context_destroy_fbo_entry(context
, entry
);
1205 if (context
->dummy_arbfp_prog
)
1207 GL_EXTCALL(glDeleteProgramsARB(1, &context
->dummy_arbfp_prog
));
1210 if (gl_info
->supported
[ARB_TIMER_QUERY
])
1211 GL_EXTCALL(glDeleteQueries(context
->free_timestamp_query_count
, context
->free_timestamp_queries
));
1213 if (gl_info
->supported
[ARB_OCCLUSION_QUERY
])
1214 GL_EXTCALL(glDeleteQueries(context
->free_occlusion_query_count
, context
->free_occlusion_queries
));
1216 if (gl_info
->supported
[ARB_SYNC
])
1218 for (i
= 0; i
< context
->free_event_query_count
; ++i
)
1220 GL_EXTCALL(glDeleteSync(context
->free_event_queries
[i
].sync
));
1223 else if (gl_info
->supported
[APPLE_FENCE
])
1225 for (i
= 0; i
< context
->free_event_query_count
; ++i
)
1227 GL_EXTCALL(glDeleteFencesAPPLE(1, &context
->free_event_queries
[i
].id
));
1230 else if (gl_info
->supported
[NV_FENCE
])
1232 for (i
= 0; i
< context
->free_event_query_count
; ++i
)
1234 GL_EXTCALL(glDeleteFencesNV(1, &context
->free_event_queries
[i
].id
));
1238 checkGLcall("context cleanup");
1241 HeapFree(GetProcessHeap(), 0, context
->free_timestamp_queries
);
1242 HeapFree(GetProcessHeap(), 0, context
->free_occlusion_queries
);
1243 HeapFree(GetProcessHeap(), 0, context
->free_event_queries
);
1245 context_restore_pixel_format(context
);
1248 context_restore_gl_context(gl_info
, restore_dc
, restore_ctx
);
1250 else if (wglGetCurrentContext() && !wglMakeCurrent(NULL
, NULL
))
1252 ERR("Failed to disable GL context.\n");
1255 wined3d_release_dc(context
->win_handle
, context
->hdc
);
1257 if (!wglDeleteContext(context
->glCtx
))
1259 DWORD err
= GetLastError();
1260 ERR("wglDeleteContext(%p) failed, last error %#x.\n", context
->glCtx
, err
);
1264 DWORD
context_get_tls_idx(void)
1266 return wined3d_context_tls_idx
;
1269 void context_set_tls_idx(DWORD idx
)
1271 wined3d_context_tls_idx
= idx
;
1274 struct wined3d_context
*context_get_current(void)
1276 return TlsGetValue(wined3d_context_tls_idx
);
1279 BOOL
context_set_current(struct wined3d_context
*ctx
)
1281 struct wined3d_context
*old
= context_get_current();
1285 TRACE("Already using D3D context %p.\n", ctx
);
1293 TRACE("Switching away from destroyed context %p.\n", old
);
1294 context_destroy_gl_resources(old
);
1295 HeapFree(GetProcessHeap(), 0, (void *)old
->gl_info
);
1296 HeapFree(GetProcessHeap(), 0, old
);
1300 if (wglGetCurrentContext())
1302 const struct wined3d_gl_info
*gl_info
= old
->gl_info
;
1303 TRACE("Flushing context %p before switching to %p.\n", old
, ctx
);
1304 gl_info
->gl_ops
.gl
.p_glFlush();
1314 ERR("Trying to make invalid context %p current\n", ctx
);
1318 TRACE("Switching to D3D context %p, GL context %p, device context %p.\n", ctx
, ctx
->glCtx
, ctx
->hdc
);
1319 if (!context_set_gl_context(ctx
))
1323 else if (wglGetCurrentContext())
1325 TRACE("Clearing current D3D context.\n");
1326 if (!wglMakeCurrent(NULL
, NULL
))
1328 DWORD err
= GetLastError();
1329 ERR("Failed to clear current GL context, last error %#x.\n", err
);
1330 TlsSetValue(wined3d_context_tls_idx
, NULL
);
1335 return TlsSetValue(wined3d_context_tls_idx
, ctx
);
1338 void context_release(struct wined3d_context
*context
)
1340 TRACE("Releasing context %p, level %u.\n", context
, context
->level
);
1344 if (!context
->level
)
1345 WARN("Context %p is not active.\n", context
);
1346 else if (context
!= context_get_current())
1347 WARN("Context %p is not the current context.\n", context
);
1350 if (!--context
->level
)
1352 if (context_restore_pixel_format(context
))
1353 context
->needs_set
= 1;
1354 if (context
->restore_ctx
)
1356 TRACE("Restoring GL context %p on device context %p.\n", context
->restore_ctx
, context
->restore_dc
);
1357 context_restore_gl_context(context
->gl_info
, context
->restore_dc
, context
->restore_ctx
);
1358 context
->restore_ctx
= NULL
;
1359 context
->restore_dc
= NULL
;
1362 if (context
->destroy_delayed
)
1364 TRACE("Destroying context %p.\n", context
);
1365 context_destroy(context
->device
, context
);
1370 /* This is used when a context for render target A is active, but a separate context is
1371 * needed to access the WGL framebuffer for render target B. Re-acquire a context for rt
1372 * A to avoid breaking caller code. */
1373 void context_restore(struct wined3d_context
*context
, struct wined3d_surface
*restore
)
1375 if (context
->current_rt
.texture
!= restore
->container
1376 || context
->current_rt
.sub_resource_idx
!= surface_get_sub_resource_idx(restore
))
1378 context_release(context
);
1379 context
= context_acquire(restore
->container
->resource
.device
, restore
);
1382 context_release(context
);
1385 static void context_enter(struct wined3d_context
*context
)
1387 TRACE("Entering context %p, level %u.\n", context
, context
->level
+ 1);
1389 if (!context
->level
++)
1391 const struct wined3d_context
*current_context
= context_get_current();
1392 HGLRC current_gl
= wglGetCurrentContext();
1394 if (current_gl
&& (!current_context
|| current_context
->glCtx
!= current_gl
))
1396 TRACE("Another GL context (%p on device context %p) is already current.\n",
1397 current_gl
, wglGetCurrentDC());
1398 context
->restore_ctx
= current_gl
;
1399 context
->restore_dc
= wglGetCurrentDC();
1400 context
->needs_set
= 1;
1402 else if (!context
->needs_set
&& !(context
->hdc_is_private
&& context
->hdc_has_format
)
1403 && context
->pixel_format
!= context
->gl_info
->gl_ops
.wgl
.p_wglGetPixelFormat(context
->hdc
))
1404 context
->needs_set
= 1;
1408 void context_invalidate_state(struct wined3d_context
*context
, DWORD state
)
1410 DWORD rep
= context
->state_table
[state
].representative
;
1414 if (isStateDirty(context
, rep
)) return;
1416 context
->dirtyArray
[context
->numDirtyEntries
++] = rep
;
1417 idx
= rep
/ (sizeof(*context
->isStateDirty
) * CHAR_BIT
);
1418 shift
= rep
& ((sizeof(*context
->isStateDirty
) * CHAR_BIT
) - 1);
1419 context
->isStateDirty
[idx
] |= (1u << shift
);
1422 /* This function takes care of wined3d pixel format selection. */
1423 static int context_choose_pixel_format(const struct wined3d_device
*device
, HDC hdc
,
1424 const struct wined3d_format
*color_format
, const struct wined3d_format
*ds_format
,
1425 BOOL auxBuffers
, BOOL findCompatible
)
1428 unsigned int current_value
;
1429 unsigned int cfg_count
= device
->adapter
->cfg_count
;
1432 TRACE("device %p, dc %p, color_format %s, ds_format %s, aux_buffers %#x, find_compatible %#x.\n",
1433 device
, hdc
, debug_d3dformat(color_format
->id
), debug_d3dformat(ds_format
->id
),
1434 auxBuffers
, findCompatible
);
1437 for (i
= 0; i
< cfg_count
; ++i
)
1439 const struct wined3d_pixel_format
*cfg
= &device
->adapter
->cfgs
[i
];
1442 /* For now only accept RGBA formats. Perhaps some day we will
1443 * allow floating point formats for pbuffers. */
1444 if (cfg
->iPixelType
!= WGL_TYPE_RGBA_ARB
)
1446 /* In window mode we need a window drawable format and double buffering. */
1447 if (!(cfg
->windowDrawable
&& cfg
->doubleBuffer
))
1449 if (cfg
->redSize
< color_format
->red_size
)
1451 if (cfg
->greenSize
< color_format
->green_size
)
1453 if (cfg
->blueSize
< color_format
->blue_size
)
1455 if (cfg
->alphaSize
< color_format
->alpha_size
)
1457 if (cfg
->depthSize
< ds_format
->depth_size
)
1459 if (ds_format
->stencil_size
&& cfg
->stencilSize
!= ds_format
->stencil_size
)
1461 /* Check multisampling support. */
1462 if (cfg
->numSamples
)
1466 /* We try to locate a format which matches our requirements exactly. In case of
1467 * depth it is no problem to emulate 16-bit using e.g. 24-bit, so accept that. */
1468 if (cfg
->depthSize
== ds_format
->depth_size
)
1470 if (cfg
->stencilSize
== ds_format
->stencil_size
)
1472 if (cfg
->alphaSize
== color_format
->alpha_size
)
1474 /* We like to have aux buffers in backbuffer mode */
1475 if (auxBuffers
&& cfg
->auxBuffers
)
1477 if (cfg
->redSize
== color_format
->red_size
1478 && cfg
->greenSize
== color_format
->green_size
1479 && cfg
->blueSize
== color_format
->blue_size
)
1482 if (value
> current_value
)
1484 iPixelFormat
= cfg
->iPixelFormat
;
1485 current_value
= value
;
1489 /* When findCompatible is set and no suitable format was found, let ChoosePixelFormat choose a pixel format in order not to crash. */
1490 if(!iPixelFormat
&& !findCompatible
) {
1491 ERR("Can't find a suitable iPixelFormat\n");
1493 } else if(!iPixelFormat
) {
1494 PIXELFORMATDESCRIPTOR pfd
;
1496 TRACE("Falling back to ChoosePixelFormat as we weren't able to find an exactly matching pixel format\n");
1497 /* PixelFormat selection */
1498 ZeroMemory(&pfd
, sizeof(pfd
));
1499 pfd
.nSize
= sizeof(pfd
);
1501 pfd
.dwFlags
= PFD_SUPPORT_OPENGL
| PFD_DOUBLEBUFFER
| PFD_DRAW_TO_WINDOW
;/*PFD_GENERIC_ACCELERATED*/
1502 pfd
.iPixelType
= PFD_TYPE_RGBA
;
1503 pfd
.cAlphaBits
= color_format
->alpha_size
;
1504 pfd
.cColorBits
= color_format
->red_size
+ color_format
->green_size
1505 + color_format
->blue_size
+ color_format
->alpha_size
;
1506 pfd
.cDepthBits
= ds_format
->depth_size
;
1507 pfd
.cStencilBits
= ds_format
->stencil_size
;
1508 pfd
.iLayerType
= PFD_MAIN_PLANE
;
1510 iPixelFormat
= ChoosePixelFormat(hdc
, &pfd
);
1512 /* If this happens something is very wrong as ChoosePixelFormat barely fails */
1513 ERR("Can't find a suitable iPixelFormat\n");
1518 TRACE("Found iPixelFormat=%d for ColorFormat=%s, DepthStencilFormat=%s\n",
1519 iPixelFormat
, debug_d3dformat(color_format
->id
), debug_d3dformat(ds_format
->id
));
1520 return iPixelFormat
;
1523 /* Context activation is done by the caller. */
1524 void context_bind_dummy_textures(const struct wined3d_device
*device
, const struct wined3d_context
*context
)
1526 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
1529 for (i
= 0; i
< gl_info
->limits
.combined_samplers
; ++i
)
1531 GL_EXTCALL(glActiveTexture(GL_TEXTURE0
+ i
));
1532 checkGLcall("glActiveTexture");
1534 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_2D
, device
->dummy_textures
.tex_2d
);
1536 if (gl_info
->supported
[ARB_TEXTURE_RECTANGLE
])
1537 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_RECTANGLE_ARB
, device
->dummy_textures
.tex_rect
);
1539 if (gl_info
->supported
[EXT_TEXTURE3D
])
1540 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_3D
, device
->dummy_textures
.tex_3d
);
1542 if (gl_info
->supported
[ARB_TEXTURE_CUBE_MAP
])
1543 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_CUBE_MAP
, device
->dummy_textures
.tex_cube
);
1545 if (gl_info
->supported
[EXT_TEXTURE_ARRAY
])
1546 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_2D_ARRAY
, device
->dummy_textures
.tex_2d_array
);
1548 if (gl_info
->supported
[ARB_TEXTURE_BUFFER_OBJECT
])
1549 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_BUFFER
, device
->dummy_textures
.tex_buffer
);
1551 checkGLcall("Bind dummy textures");
1555 void wined3d_check_gl_call(const struct wined3d_gl_info
*gl_info
,
1556 const char *file
, unsigned int line
, const char *name
)
1560 if (gl_info
->supported
[ARB_DEBUG_OUTPUT
] || (err
= gl_info
->gl_ops
.gl
.p_glGetError()) == GL_NO_ERROR
)
1562 TRACE("%s call ok %s / %u.\n", name
, file
, line
);
1568 ERR(">>>>>>> %s (%#x) from %s @ %s / %u.\n",
1569 debug_glerror(err
), err
, name
, file
,line
);
1570 err
= gl_info
->gl_ops
.gl
.p_glGetError();
1571 } while (err
!= GL_NO_ERROR
);
1574 static BOOL
context_debug_output_enabled(const struct wined3d_gl_info
*gl_info
)
1576 return gl_info
->supported
[ARB_DEBUG_OUTPUT
]
1577 && (ERR_ON(d3d
) || FIXME_ON(d3d
) || WARN_ON(d3d_perf
));
1580 static void WINE_GLAPI
wined3d_debug_callback(GLenum source
, GLenum type
, GLuint id
,
1581 GLenum severity
, GLsizei length
, const char *message
, void *ctx
)
1585 case GL_DEBUG_TYPE_ERROR_ARB
:
1586 ERR("%p: %s.\n", ctx
, debugstr_an(message
, length
));
1589 case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB
:
1590 case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB
:
1591 case GL_DEBUG_TYPE_PORTABILITY_ARB
:
1592 FIXME("%p: %s.\n", ctx
, debugstr_an(message
, length
));
1595 case GL_DEBUG_TYPE_PERFORMANCE_ARB
:
1596 WARN_(d3d_perf
)("%p: %s.\n", ctx
, debugstr_an(message
, length
));
1600 FIXME("ctx %p, type %#x: %s.\n", ctx
, type
, debugstr_an(message
, length
));
1605 HGLRC
context_create_wgl_attribs(const struct wined3d_gl_info
*gl_info
, HDC hdc
, HGLRC share_ctx
)
1608 unsigned int ctx_attrib_idx
= 0;
1609 GLint ctx_attribs
[7], ctx_flags
= 0;
1611 if (context_debug_output_enabled(gl_info
))
1612 ctx_flags
= WGL_CONTEXT_DEBUG_BIT_ARB
;
1613 ctx_attribs
[ctx_attrib_idx
++] = WGL_CONTEXT_MAJOR_VERSION_ARB
;
1614 ctx_attribs
[ctx_attrib_idx
++] = gl_info
->selected_gl_version
>> 16;
1615 ctx_attribs
[ctx_attrib_idx
++] = WGL_CONTEXT_MINOR_VERSION_ARB
;
1616 ctx_attribs
[ctx_attrib_idx
++] = gl_info
->selected_gl_version
& 0xffff;
1617 if (gl_info
->selected_gl_version
>= MAKEDWORD_VERSION(3, 2))
1618 ctx_flags
|= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB
;
1621 ctx_attribs
[ctx_attrib_idx
++] = WGL_CONTEXT_FLAGS_ARB
;
1622 ctx_attribs
[ctx_attrib_idx
++] = ctx_flags
;
1624 ctx_attribs
[ctx_attrib_idx
] = 0;
1626 if (!(ctx
= gl_info
->p_wglCreateContextAttribsARB(hdc
, share_ctx
, ctx_attribs
)))
1628 if (ctx_flags
& WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB
)
1630 ctx_attribs
[ctx_attrib_idx
- 1] &= ~WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB
;
1631 if (!(ctx
= gl_info
->p_wglCreateContextAttribsARB(hdc
, share_ctx
, ctx_attribs
)))
1632 WARN("Failed to create a WGL context with wglCreateContextAttribsARB, last error %#x.\n",
1639 struct wined3d_context
*context_create(struct wined3d_swapchain
*swapchain
,
1640 struct wined3d_texture
*target
, const struct wined3d_format
*ds_format
)
1642 struct wined3d_device
*device
= swapchain
->device
;
1643 const struct wined3d_d3d_info
*d3d_info
= &device
->adapter
->d3d_info
;
1644 const struct wined3d_gl_info
*gl_info
= &device
->adapter
->gl_info
;
1645 const struct wined3d_format
*color_format
;
1646 struct wined3d_context
*ret
;
1647 BOOL hdc_is_private
= FALSE
;
1648 BOOL auxBuffers
= FALSE
;
1649 HGLRC ctx
, share_ctx
;
1656 TRACE("swapchain %p, target %p, window %p.\n", swapchain
, target
, swapchain
->win_handle
);
1658 ret
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*ret
));
1662 if (!(ret
->blit_targets
= wined3d_calloc(gl_info
->limits
.buffers
, sizeof(*ret
->blit_targets
))))
1665 if (!(ret
->draw_buffers
= wined3d_calloc(gl_info
->limits
.buffers
, sizeof(*ret
->draw_buffers
))))
1668 ret
->fbo_key
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
,
1669 FIELD_OFFSET(struct wined3d_fbo_entry_key
, objects
[gl_info
->limits
.buffers
+ 1]));
1673 ret
->free_timestamp_query_size
= 4;
1674 if (!(ret
->free_timestamp_queries
= wined3d_calloc(ret
->free_timestamp_query_size
,
1675 sizeof(*ret
->free_timestamp_queries
))))
1677 list_init(&ret
->timestamp_queries
);
1679 ret
->free_occlusion_query_size
= 4;
1680 if (!(ret
->free_occlusion_queries
= wined3d_calloc(ret
->free_occlusion_query_size
,
1681 sizeof(*ret
->free_occlusion_queries
))))
1684 list_init(&ret
->occlusion_queries
);
1686 ret
->free_event_query_size
= 4;
1687 if (!(ret
->free_event_queries
= wined3d_calloc(ret
->free_event_query_size
,
1688 sizeof(*ret
->free_event_queries
))))
1691 list_init(&ret
->event_queries
);
1692 list_init(&ret
->fbo_list
);
1693 list_init(&ret
->fbo_destroy_list
);
1695 if (!device
->shader_backend
->shader_allocate_context_data(ret
))
1697 ERR("Failed to allocate shader backend context data.\n");
1700 if (!device
->adapter
->fragment_pipe
->allocate_context_data(ret
))
1702 ERR("Failed to allocate fragment pipeline context data.\n");
1706 /* Initialize the texture unit mapping to a 1:1 mapping */
1707 for (s
= 0; s
< MAX_COMBINED_SAMPLERS
; ++s
)
1709 if (s
< gl_info
->limits
.combined_samplers
)
1711 ret
->tex_unit_map
[s
] = s
;
1712 ret
->rev_tex_unit_map
[s
] = s
;
1716 ret
->tex_unit_map
[s
] = WINED3D_UNMAPPED_STAGE
;
1717 ret
->rev_tex_unit_map
[s
] = WINED3D_UNMAPPED_STAGE
;
1721 if (!(hdc
= GetDCEx(swapchain
->win_handle
, 0, DCX_USESTYLE
| DCX_CACHE
)))
1723 WARN("Failed to retrieve device context, trying swapchain backup.\n");
1725 if ((hdc
= swapchain_get_backup_dc(swapchain
)))
1726 hdc_is_private
= TRUE
;
1729 ERR("Failed to retrieve a device context.\n");
1734 color_format
= target
->resource
.format
;
1735 target_usage
= target
->resource
.usage
;
1737 /* In case of ORM_BACKBUFFER, make sure to request an alpha component for
1738 * X4R4G4B4/X8R8G8B8 as we might need it for the backbuffer. */
1739 if (wined3d_settings
.offscreen_rendering_mode
== ORM_BACKBUFFER
)
1743 if (color_format
->id
== WINED3DFMT_B4G4R4X4_UNORM
)
1744 color_format
= wined3d_get_format(gl_info
, WINED3DFMT_B4G4R4A4_UNORM
, target_usage
);
1745 else if (color_format
->id
== WINED3DFMT_B8G8R8X8_UNORM
)
1746 color_format
= wined3d_get_format(gl_info
, WINED3DFMT_B8G8R8A8_UNORM
, target_usage
);
1749 /* DirectDraw supports 8bit paletted render targets and these are used by
1750 * old games like StarCraft and C&C. Most modern hardware doesn't support
1751 * 8bit natively so we perform some form of 8bit -> 32bit conversion. The
1752 * conversion (ab)uses the alpha component for storing the palette index.
1753 * For this reason we require a format with 8bit alpha, so request
1755 if (color_format
->id
== WINED3DFMT_P8_UINT
)
1756 color_format
= wined3d_get_format(gl_info
, WINED3DFMT_B8G8R8A8_UNORM
, target_usage
);
1758 /* When using FBOs for off-screen rendering, we only use the drawable for
1759 * presentation blits, and don't do any rendering to it. That means we
1760 * don't need depth or stencil buffers, and can mostly ignore the render
1761 * target format. This wouldn't necessarily be quite correct for 10bpc
1762 * display modes, but we don't currently support those.
1763 * Using the same format regardless of the color/depth/stencil targets
1764 * makes it much less likely that different wined3d instances will set
1765 * conflicting pixel formats. */
1766 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_BACKBUFFER
)
1768 color_format
= wined3d_get_format(gl_info
, WINED3DFMT_B8G8R8A8_UNORM
, target_usage
);
1769 ds_format
= wined3d_get_format(gl_info
, WINED3DFMT_UNKNOWN
, WINED3DUSAGE_DEPTHSTENCIL
);
1772 /* Try to find a pixel format which matches our requirements. */
1773 pixel_format
= context_choose_pixel_format(device
, hdc
, color_format
, ds_format
, auxBuffers
, FALSE
);
1775 /* Try to locate a compatible format if we weren't able to find anything. */
1778 TRACE("Trying to locate a compatible pixel format because an exact match failed.\n");
1779 pixel_format
= context_choose_pixel_format(device
, hdc
, color_format
, ds_format
, auxBuffers
, TRUE
);
1782 /* If we still don't have a pixel format, something is very wrong as ChoosePixelFormat barely fails */
1785 ERR("Can't find a suitable pixel format.\n");
1789 ret
->gl_info
= gl_info
;
1793 if (!context_set_pixel_format(ret
, hdc
, hdc_is_private
, pixel_format
))
1795 ERR("Failed to set pixel format %d on device context %p.\n", pixel_format
, hdc
);
1796 context_release(ret
);
1800 share_ctx
= device
->context_count
? device
->contexts
[0]->glCtx
: NULL
;
1801 if (gl_info
->p_wglCreateContextAttribsARB
)
1803 if (!(ctx
= context_create_wgl_attribs(gl_info
, hdc
, share_ctx
)))
1808 if (!(ctx
= wglCreateContext(hdc
)))
1810 ERR("Failed to create a WGL context.\n");
1811 context_release(ret
);
1815 if (share_ctx
&& !wglShareLists(share_ctx
, ctx
))
1817 ERR("wglShareLists(%p, %p) failed, last error %#x.\n", share_ctx
, ctx
, GetLastError());
1818 context_release(ret
);
1819 if (!wglDeleteContext(ctx
))
1820 ERR("wglDeleteContext(%p) failed, last error %#x.\n", ctx
, GetLastError());
1825 if (!device_context_add(device
, ret
))
1827 ERR("Failed to add the newly created context to the context list\n");
1828 context_release(ret
);
1829 if (!wglDeleteContext(ctx
))
1830 ERR("wglDeleteContext(%p) failed, last error %#x.\n", ctx
, GetLastError());
1834 ret
->d3d_info
= d3d_info
;
1835 ret
->state_table
= device
->StateTable
;
1837 /* Mark all states dirty to force a proper initialization of the states
1838 * on the first use of the context. */
1839 for (state
= 0; state
<= STATE_HIGHEST
; ++state
)
1841 if (ret
->state_table
[state
].representative
)
1842 context_invalidate_state(ret
, state
);
1845 ret
->device
= device
;
1846 ret
->swapchain
= swapchain
;
1847 ret
->current_rt
.texture
= target
;
1848 ret
->current_rt
.sub_resource_idx
= 0;
1849 ret
->tid
= GetCurrentThreadId();
1851 ret
->render_offscreen
= wined3d_resource_is_offscreen(&target
->resource
);
1852 ret
->draw_buffers_mask
= context_generate_rt_mask(GL_BACK
);
1856 ret
->win_handle
= swapchain
->win_handle
;
1858 ret
->hdc_is_private
= hdc_is_private
;
1859 ret
->hdc_has_format
= TRUE
;
1860 ret
->pixel_format
= pixel_format
;
1863 /* Set up the context defaults */
1864 if (!context_set_current(ret
))
1866 ERR("Cannot activate context to set up defaults.\n");
1867 device_context_remove(device
, ret
);
1868 context_release(ret
);
1869 if (!wglDeleteContext(ctx
))
1870 ERR("wglDeleteContext(%p) failed, last error %#x.\n", ctx
, GetLastError());
1874 if (context_debug_output_enabled(gl_info
))
1876 GL_EXTCALL(glDebugMessageCallback(wined3d_debug_callback
, ret
));
1877 if (TRACE_ON(d3d_synchronous
))
1878 gl_info
->gl_ops
.gl
.p_glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS
);
1879 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE
, GL_DONT_CARE
, GL_DONT_CARE
, 0, NULL
, GL_FALSE
));
1882 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE
, GL_DEBUG_TYPE_ERROR
,
1883 GL_DONT_CARE
, 0, NULL
, GL_TRUE
));
1887 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE
, GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR
,
1888 GL_DONT_CARE
, 0, NULL
, GL_TRUE
));
1889 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE
, GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR
,
1890 GL_DONT_CARE
, 0, NULL
, GL_TRUE
));
1891 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE
, GL_DEBUG_TYPE_PORTABILITY
,
1892 GL_DONT_CARE
, 0, NULL
, GL_TRUE
));
1894 if (WARN_ON(d3d_perf
))
1896 GL_EXTCALL(glDebugMessageControl(GL_DONT_CARE
, GL_DEBUG_TYPE_PERFORMANCE
,
1897 GL_DONT_CARE
, 0, NULL
, GL_TRUE
));
1901 gl_info
->gl_ops
.gl
.p_glGetIntegerv(GL_AUX_BUFFERS
, &ret
->aux_buffers
);
1903 TRACE("Setting up the screen\n");
1905 if (gl_info
->supported
[WINED3D_GL_LEGACY_CONTEXT
])
1907 gl_info
->gl_ops
.gl
.p_glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER
, GL_TRUE
);
1908 checkGLcall("glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);");
1910 gl_info
->gl_ops
.gl
.p_glTexEnvf(GL_TEXTURE_ENV
, GL_TEXTURE_ENV_MODE
, GL_COMBINE_EXT
);
1911 checkGLcall("glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);");
1913 gl_info
->gl_ops
.gl
.p_glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL
, GL_SEPARATE_SPECULAR_COLOR
);
1914 checkGLcall("glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);");
1920 GL_EXTCALL(glGenVertexArrays(1, &vao
));
1921 GL_EXTCALL(glBindVertexArray(vao
));
1922 checkGLcall("creating VAO");
1925 gl_info
->gl_ops
.gl
.p_glPixelStorei(GL_PACK_ALIGNMENT
, device
->surface_alignment
);
1926 checkGLcall("glPixelStorei(GL_PACK_ALIGNMENT, device->surface_alignment);");
1927 gl_info
->gl_ops
.gl
.p_glPixelStorei(GL_UNPACK_ALIGNMENT
, 1);
1928 checkGLcall("glPixelStorei(GL_UNPACK_ALIGNMENT, 1);");
1930 if (gl_info
->supported
[ARB_VERTEX_BLEND
])
1932 /* Direct3D always uses n-1 weights for n world matrices and uses
1933 * 1 - sum for the last one this is equal to GL_WEIGHT_SUM_UNITY_ARB.
1934 * Enabling it doesn't do anything unless GL_VERTEX_BLEND_ARB isn't
1935 * enabled as well. */
1936 gl_info
->gl_ops
.gl
.p_glEnable(GL_WEIGHT_SUM_UNITY_ARB
);
1937 checkGLcall("glEnable(GL_WEIGHT_SUM_UNITY_ARB)");
1939 if (gl_info
->supported
[NV_TEXTURE_SHADER2
])
1941 /* Set up the previous texture input for all shader units. This applies to bump mapping, and in d3d
1942 * the previous texture where to source the offset from is always unit - 1.
1944 for (s
= 1; s
< gl_info
->limits
.textures
; ++s
)
1946 context_active_texture(ret
, gl_info
, s
);
1947 gl_info
->gl_ops
.gl
.p_glTexEnvi(GL_TEXTURE_SHADER_NV
,
1948 GL_PREVIOUS_TEXTURE_INPUT_NV
, GL_TEXTURE0_ARB
+ s
- 1);
1949 checkGLcall("glTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, ...");
1952 if (gl_info
->supported
[ARB_FRAGMENT_PROGRAM
])
1954 /* MacOS(radeon X1600 at least, but most likely others too) refuses to draw if GLSL and ARBFP are
1955 * enabled, but the currently bound arbfp program is 0. Enabling ARBFP with prog 0 is invalid, but
1956 * GLSL should bypass this. This causes problems in programs that never use the fixed function pipeline,
1957 * because the ARBFP extension is enabled by the ARBFP pipeline at context creation, but no program
1960 * So make sure a program is assigned to each context. The first real ARBFP use will set a different
1961 * program and the dummy program is destroyed when the context is destroyed.
1963 static const char dummy_program
[] =
1965 "MOV result.color, fragment.color.primary;\n"
1967 GL_EXTCALL(glGenProgramsARB(1, &ret
->dummy_arbfp_prog
));
1968 GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB
, ret
->dummy_arbfp_prog
));
1969 GL_EXTCALL(glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB
, GL_PROGRAM_FORMAT_ASCII_ARB
, strlen(dummy_program
), dummy_program
));
1972 if (gl_info
->supported
[ARB_POINT_SPRITE
])
1974 for (s
= 0; s
< gl_info
->limits
.textures
; ++s
)
1976 context_active_texture(ret
, gl_info
, s
);
1977 gl_info
->gl_ops
.gl
.p_glTexEnvi(GL_POINT_SPRITE_ARB
, GL_COORD_REPLACE_ARB
, GL_TRUE
);
1978 checkGLcall("glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE)");
1982 if (gl_info
->supported
[ARB_PROVOKING_VERTEX
])
1984 GL_EXTCALL(glProvokingVertex(GL_FIRST_VERTEX_CONVENTION
));
1986 else if (gl_info
->supported
[EXT_PROVOKING_VERTEX
])
1988 GL_EXTCALL(glProvokingVertexEXT(GL_FIRST_VERTEX_CONVENTION_EXT
));
1990 if (!(d3d_info
->wined3d_creation_flags
& WINED3D_NO_PRIMITIVE_RESTART
))
1992 if (gl_info
->supported
[ARB_ES3_COMPATIBILITY
])
1994 gl_info
->gl_ops
.gl
.p_glEnable(GL_PRIMITIVE_RESTART_FIXED_INDEX
);
1995 checkGLcall("Enable GL_PRIMITIVE_RESTART_FIXED_INDEX");
1999 FIXME("OpenGL implementation does not support GL_PRIMITIVE_RESTART_FIXED_INDEX.\n");
2002 if (gl_info
->supported
[ARB_CLIP_CONTROL
])
2003 GL_EXTCALL(glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN
, GL_LOWER_LEFT
));
2004 device
->shader_backend
->shader_init_context_state(ret
);
2005 ret
->shader_update_mask
= (1u << WINED3D_SHADER_TYPE_PIXEL
)
2006 | (1u << WINED3D_SHADER_TYPE_VERTEX
)
2007 | (1u << WINED3D_SHADER_TYPE_GEOMETRY
)
2008 | (1u << WINED3D_SHADER_TYPE_HULL
)
2009 | (1u << WINED3D_SHADER_TYPE_DOMAIN
)
2010 | (1u << WINED3D_SHADER_TYPE_COMPUTE
);
2012 /* If this happens to be the first context for the device, dummy textures
2013 * are not created yet. In that case, they will be created (and bound) by
2014 * create_dummy_textures right after this context is initialized. */
2015 if (device
->dummy_textures
.tex_2d
)
2016 context_bind_dummy_textures(device
, ret
);
2018 TRACE("Created context %p.\n", ret
);
2023 if (hdc
) wined3d_release_dc(swapchain
->win_handle
, hdc
);
2024 device
->shader_backend
->shader_free_context_data(ret
);
2025 device
->adapter
->fragment_pipe
->free_context_data(ret
);
2026 HeapFree(GetProcessHeap(), 0, ret
->free_event_queries
);
2027 HeapFree(GetProcessHeap(), 0, ret
->free_occlusion_queries
);
2028 HeapFree(GetProcessHeap(), 0, ret
->free_timestamp_queries
);
2029 HeapFree(GetProcessHeap(), 0, ret
->fbo_key
);
2030 HeapFree(GetProcessHeap(), 0, ret
->draw_buffers
);
2031 HeapFree(GetProcessHeap(), 0, ret
->blit_targets
);
2032 HeapFree(GetProcessHeap(), 0, ret
);
2036 void context_destroy(struct wined3d_device
*device
, struct wined3d_context
*context
)
2040 TRACE("Destroying ctx %p\n", context
);
2042 /* We delay destroying a context when it is active. The context_release()
2043 * function invokes context_destroy() again while leaving the last level. */
2046 TRACE("Delaying destruction of context %p.\n", context
);
2047 context
->destroy_delayed
= 1;
2048 /* FIXME: Get rid of a pointer to swapchain from wined3d_context. */
2049 context
->swapchain
= NULL
;
2053 if (context
->tid
== GetCurrentThreadId() || !context
->current
)
2055 context_destroy_gl_resources(context
);
2056 TlsSetValue(wined3d_context_tls_idx
, NULL
);
2061 /* Make a copy of gl_info for context_destroy_gl_resources use, the one
2062 in wined3d_adapter may go away in the meantime */
2063 struct wined3d_gl_info
*gl_info
= HeapAlloc(GetProcessHeap(), 0, sizeof(*gl_info
));
2064 *gl_info
= *context
->gl_info
;
2065 context
->gl_info
= gl_info
;
2066 context
->destroyed
= 1;
2070 device
->shader_backend
->shader_free_context_data(context
);
2071 device
->adapter
->fragment_pipe
->free_context_data(context
);
2072 HeapFree(GetProcessHeap(), 0, context
->fbo_key
);
2073 HeapFree(GetProcessHeap(), 0, context
->draw_buffers
);
2074 HeapFree(GetProcessHeap(), 0, context
->blit_targets
);
2075 device_context_remove(device
, context
);
2076 if (destroy
) HeapFree(GetProcessHeap(), 0, context
);
2079 /* Context activation is done by the caller. */
2080 static void set_blit_dimension(const struct wined3d_gl_info
*gl_info
, UINT width
, UINT height
)
2082 const GLdouble projection
[] =
2084 2.0 / width
, 0.0, 0.0, 0.0,
2085 0.0, 2.0 / height
, 0.0, 0.0,
2087 -1.0, -1.0, -1.0, 1.0,
2090 gl_info
->gl_ops
.gl
.p_glMatrixMode(GL_PROJECTION
);
2091 checkGLcall("glMatrixMode(GL_PROJECTION)");
2092 gl_info
->gl_ops
.gl
.p_glLoadMatrixd(projection
);
2093 checkGLcall("glLoadMatrixd");
2094 gl_info
->gl_ops
.gl
.p_glViewport(0, 0, width
, height
);
2095 checkGLcall("glViewport");
2098 static void context_get_rt_size(const struct wined3d_context
*context
, SIZE
*size
)
2100 const struct wined3d_texture
*rt
= context
->current_rt
.texture
;
2103 if (rt
->swapchain
&& rt
->swapchain
->front_buffer
== rt
)
2107 GetClientRect(context
->win_handle
, &window_size
);
2108 size
->cx
= window_size
.right
- window_size
.left
;
2109 size
->cy
= window_size
.bottom
- window_size
.top
;
2114 level
= context
->current_rt
.sub_resource_idx
% rt
->level_count
;
2115 size
->cx
= wined3d_texture_get_level_width(rt
, level
);
2116 size
->cy
= wined3d_texture_get_level_height(rt
, level
);
2119 /*****************************************************************************
2122 * Sets up a context for DirectDraw blitting.
2123 * All texture units are disabled, texture unit 0 is set as current unit
2124 * fog, lighting, blending, alpha test, z test, scissor test, culling disabled
2125 * color writing enabled for all channels
2126 * register combiners disabled, shaders disabled
2127 * world matrix is set to identity, texture matrix 0 too
2128 * projection matrix is setup for drawing screen coordinates
2131 * This: Device to activate the context for
2132 * context: Context to setup
2134 *****************************************************************************/
2135 /* Context activation is done by the caller. */
2136 static void SetupForBlit(const struct wined3d_device
*device
, struct wined3d_context
*context
)
2139 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
2143 TRACE("Setting up context %p for blitting\n", context
);
2145 context_get_rt_size(context
, &rt_size
);
2147 if (context
->last_was_blit
)
2149 if (context
->blit_w
!= rt_size
.cx
|| context
->blit_h
!= rt_size
.cy
)
2151 set_blit_dimension(gl_info
, rt_size
.cx
, rt_size
.cy
);
2152 context
->blit_w
= rt_size
.cx
;
2153 context
->blit_h
= rt_size
.cy
;
2154 /* No need to dirtify here, the states are still dirtified because
2155 * they weren't applied since the last SetupForBlit() call. */
2157 TRACE("Context is already set up for blitting, nothing to do\n");
2160 context
->last_was_blit
= TRUE
;
2162 /* Disable all textures. The caller can then bind a texture it wants to blit
2165 * The blitting code uses (for now) the fixed function pipeline, so make sure to reset all fixed
2166 * function texture unit. No need to care for higher samplers
2168 for (i
= gl_info
->limits
.textures
- 1; i
> 0 ; --i
)
2170 sampler
= context
->rev_tex_unit_map
[i
];
2171 context_active_texture(context
, gl_info
, i
);
2173 if (gl_info
->supported
[ARB_TEXTURE_CUBE_MAP
])
2175 gl_info
->gl_ops
.gl
.p_glDisable(GL_TEXTURE_CUBE_MAP_ARB
);
2176 checkGLcall("glDisable GL_TEXTURE_CUBE_MAP_ARB");
2178 gl_info
->gl_ops
.gl
.p_glDisable(GL_TEXTURE_3D
);
2179 checkGLcall("glDisable GL_TEXTURE_3D");
2180 if (gl_info
->supported
[ARB_TEXTURE_RECTANGLE
])
2182 gl_info
->gl_ops
.gl
.p_glDisable(GL_TEXTURE_RECTANGLE_ARB
);
2183 checkGLcall("glDisable GL_TEXTURE_RECTANGLE_ARB");
2185 gl_info
->gl_ops
.gl
.p_glDisable(GL_TEXTURE_2D
);
2186 checkGLcall("glDisable GL_TEXTURE_2D");
2188 gl_info
->gl_ops
.gl
.p_glTexEnvi(GL_TEXTURE_ENV
, GL_TEXTURE_ENV_MODE
, GL_REPLACE
);
2189 checkGLcall("glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);");
2191 if (sampler
!= WINED3D_UNMAPPED_STAGE
)
2193 if (sampler
< MAX_TEXTURES
)
2194 context_invalidate_state(context
, STATE_TEXTURESTAGE(sampler
, WINED3D_TSS_COLOR_OP
));
2195 context_invalidate_state(context
, STATE_SAMPLER(sampler
));
2198 if (gl_info
->supported
[ARB_SAMPLER_OBJECTS
])
2199 GL_EXTCALL(glBindSampler(0, 0));
2200 context_active_texture(context
, gl_info
, 0);
2202 sampler
= context
->rev_tex_unit_map
[0];
2204 if (gl_info
->supported
[ARB_TEXTURE_CUBE_MAP
])
2206 gl_info
->gl_ops
.gl
.p_glDisable(GL_TEXTURE_CUBE_MAP_ARB
);
2207 checkGLcall("glDisable GL_TEXTURE_CUBE_MAP_ARB");
2209 gl_info
->gl_ops
.gl
.p_glDisable(GL_TEXTURE_3D
);
2210 checkGLcall("glDisable GL_TEXTURE_3D");
2211 if (gl_info
->supported
[ARB_TEXTURE_RECTANGLE
])
2213 gl_info
->gl_ops
.gl
.p_glDisable(GL_TEXTURE_RECTANGLE_ARB
);
2214 checkGLcall("glDisable GL_TEXTURE_RECTANGLE_ARB");
2216 gl_info
->gl_ops
.gl
.p_glDisable(GL_TEXTURE_2D
);
2217 checkGLcall("glDisable GL_TEXTURE_2D");
2219 gl_info
->gl_ops
.gl
.p_glTexEnvi(GL_TEXTURE_ENV
, GL_TEXTURE_ENV_MODE
, GL_REPLACE
);
2221 gl_info
->gl_ops
.gl
.p_glMatrixMode(GL_TEXTURE
);
2222 checkGLcall("glMatrixMode(GL_TEXTURE)");
2223 gl_info
->gl_ops
.gl
.p_glLoadIdentity();
2224 checkGLcall("glLoadIdentity()");
2226 if (gl_info
->supported
[EXT_TEXTURE_LOD_BIAS
])
2228 gl_info
->gl_ops
.gl
.p_glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT
,
2229 GL_TEXTURE_LOD_BIAS_EXT
, 0.0f
);
2230 checkGLcall("glTexEnvf GL_TEXTURE_LOD_BIAS_EXT ...");
2233 if (sampler
!= WINED3D_UNMAPPED_STAGE
)
2235 if (sampler
< MAX_TEXTURES
)
2237 context_invalidate_state(context
, STATE_TRANSFORM(WINED3D_TS_TEXTURE0
+ sampler
));
2238 context_invalidate_state(context
, STATE_TEXTURESTAGE(sampler
, WINED3D_TSS_COLOR_OP
));
2240 context_invalidate_state(context
, STATE_SAMPLER(sampler
));
2243 /* Other misc states */
2244 gl_info
->gl_ops
.gl
.p_glDisable(GL_ALPHA_TEST
);
2245 checkGLcall("glDisable(GL_ALPHA_TEST)");
2246 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_ALPHATESTENABLE
));
2247 gl_info
->gl_ops
.gl
.p_glDisable(GL_LIGHTING
);
2248 checkGLcall("glDisable GL_LIGHTING");
2249 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_LIGHTING
));
2250 gl_info
->gl_ops
.gl
.p_glDisable(GL_DEPTH_TEST
);
2251 checkGLcall("glDisable GL_DEPTH_TEST");
2252 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_ZENABLE
));
2253 glDisableWINE(GL_FOG
);
2254 checkGLcall("glDisable GL_FOG");
2255 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_FOGENABLE
));
2256 gl_info
->gl_ops
.gl
.p_glDisable(GL_BLEND
);
2257 checkGLcall("glDisable GL_BLEND");
2258 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_ALPHABLENDENABLE
));
2259 gl_info
->gl_ops
.gl
.p_glDisable(GL_CULL_FACE
);
2260 checkGLcall("glDisable GL_CULL_FACE");
2261 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_CULLMODE
));
2262 gl_info
->gl_ops
.gl
.p_glDisable(GL_STENCIL_TEST
);
2263 checkGLcall("glDisable GL_STENCIL_TEST");
2264 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_STENCILENABLE
));
2265 gl_info
->gl_ops
.gl
.p_glDisable(GL_SCISSOR_TEST
);
2266 checkGLcall("glDisable GL_SCISSOR_TEST");
2267 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE
));
2268 if (gl_info
->supported
[ARB_POINT_SPRITE
])
2270 gl_info
->gl_ops
.gl
.p_glDisable(GL_POINT_SPRITE_ARB
);
2271 checkGLcall("glDisable GL_POINT_SPRITE_ARB");
2272 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_POINTSPRITEENABLE
));
2274 gl_info
->gl_ops
.gl
.p_glColorMask(GL_TRUE
, GL_TRUE
,GL_TRUE
,GL_TRUE
);
2275 checkGLcall("glColorMask");
2276 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE
));
2277 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE1
));
2278 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE2
));
2279 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE3
));
2280 if (gl_info
->supported
[EXT_SECONDARY_COLOR
])
2282 gl_info
->gl_ops
.gl
.p_glDisable(GL_COLOR_SUM_EXT
);
2283 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_SPECULARENABLE
));
2284 checkGLcall("glDisable(GL_COLOR_SUM_EXT)");
2287 /* Setup transforms */
2288 gl_info
->gl_ops
.gl
.p_glMatrixMode(GL_MODELVIEW
);
2289 checkGLcall("glMatrixMode(GL_MODELVIEW)");
2290 gl_info
->gl_ops
.gl
.p_glLoadIdentity();
2291 checkGLcall("glLoadIdentity()");
2292 context_invalidate_state(context
, STATE_TRANSFORM(WINED3D_TS_WORLD_MATRIX(0)));
2294 context
->last_was_rhw
= TRUE
;
2295 context_invalidate_state(context
, STATE_VDECL
); /* because of last_was_rhw = TRUE */
2297 gl_info
->gl_ops
.gl
.p_glDisable(GL_CLIP_PLANE0
); checkGLcall("glDisable(clip plane 0)");
2298 gl_info
->gl_ops
.gl
.p_glDisable(GL_CLIP_PLANE1
); checkGLcall("glDisable(clip plane 1)");
2299 gl_info
->gl_ops
.gl
.p_glDisable(GL_CLIP_PLANE2
); checkGLcall("glDisable(clip plane 2)");
2300 gl_info
->gl_ops
.gl
.p_glDisable(GL_CLIP_PLANE3
); checkGLcall("glDisable(clip plane 3)");
2301 gl_info
->gl_ops
.gl
.p_glDisable(GL_CLIP_PLANE4
); checkGLcall("glDisable(clip plane 4)");
2302 gl_info
->gl_ops
.gl
.p_glDisable(GL_CLIP_PLANE5
); checkGLcall("glDisable(clip plane 5)");
2303 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_CLIPPING
));
2305 /* FIXME: Make draw_textured_quad() able to work with a upper left origin. */
2306 if (gl_info
->supported
[ARB_CLIP_CONTROL
])
2307 GL_EXTCALL(glClipControl(GL_LOWER_LEFT
, GL_NEGATIVE_ONE_TO_ONE
));
2309 set_blit_dimension(gl_info
, rt_size
.cx
, rt_size
.cy
);
2311 /* Disable shaders */
2312 device
->shader_backend
->shader_disable(device
->shader_priv
, context
);
2314 context
->blit_w
= rt_size
.cx
;
2315 context
->blit_h
= rt_size
.cy
;
2316 context_invalidate_state(context
, STATE_VIEWPORT
);
2317 context_invalidate_state(context
, STATE_TRANSFORM(WINED3D_TS_PROJECTION
));
2320 static inline BOOL
is_rt_mask_onscreen(DWORD rt_mask
)
2322 return rt_mask
& (1u << 31);
2325 static inline GLenum
draw_buffer_from_rt_mask(DWORD rt_mask
)
2327 return rt_mask
& ~(1u << 31);
2330 /* Context activation is done by the caller. */
2331 static void context_apply_draw_buffers(struct wined3d_context
*context
, DWORD rt_mask
)
2333 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
2337 gl_info
->gl_ops
.gl
.p_glDrawBuffer(GL_NONE
);
2338 checkGLcall("glDrawBuffer()");
2340 else if (is_rt_mask_onscreen(rt_mask
))
2342 gl_info
->gl_ops
.gl
.p_glDrawBuffer(draw_buffer_from_rt_mask(rt_mask
));
2343 checkGLcall("glDrawBuffer()");
2347 if (wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
2354 context
->draw_buffers
[i
] = GL_COLOR_ATTACHMENT0
+ i
;
2356 context
->draw_buffers
[i
] = GL_NONE
;
2362 if (gl_info
->supported
[ARB_DRAW_BUFFERS
])
2364 GL_EXTCALL(glDrawBuffers(i
, context
->draw_buffers
));
2365 checkGLcall("glDrawBuffers()");
2369 gl_info
->gl_ops
.gl
.p_glDrawBuffer(context
->draw_buffers
[0]);
2370 checkGLcall("glDrawBuffer()");
2375 ERR("Unexpected draw buffers mask with backbuffer ORM.\n");
2380 /* Context activation is done by the caller. */
2381 void context_set_draw_buffer(struct wined3d_context
*context
, GLenum buffer
)
2383 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
2384 DWORD
*current_mask
= context
->current_fbo
? &context
->current_fbo
->rt_mask
: &context
->draw_buffers_mask
;
2385 DWORD new_mask
= context_generate_rt_mask(buffer
);
2387 if (new_mask
== *current_mask
)
2390 gl_info
->gl_ops
.gl
.p_glDrawBuffer(buffer
);
2391 checkGLcall("glDrawBuffer()");
2393 *current_mask
= new_mask
;
2396 /* Context activation is done by the caller. */
2397 void context_active_texture(struct wined3d_context
*context
, const struct wined3d_gl_info
*gl_info
, unsigned int unit
)
2399 GL_EXTCALL(glActiveTexture(GL_TEXTURE0
+ unit
));
2400 checkGLcall("glActiveTexture");
2401 context
->active_texture
= unit
;
2404 void context_bind_texture(struct wined3d_context
*context
, GLenum target
, GLuint name
)
2406 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
2407 DWORD unit
= context
->active_texture
;
2408 DWORD old_texture_type
= context
->texture_type
[unit
];
2412 gl_info
->gl_ops
.gl
.p_glBindTexture(target
, name
);
2413 checkGLcall("glBindTexture");
2420 if (old_texture_type
!= target
)
2422 const struct wined3d_device
*device
= context
->device
;
2424 switch (old_texture_type
)
2430 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_2D
, device
->dummy_textures
.tex_2d
);
2431 checkGLcall("glBindTexture");
2433 case GL_TEXTURE_2D_ARRAY
:
2434 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_2D_ARRAY
, device
->dummy_textures
.tex_2d_array
);
2435 checkGLcall("glBindTexture");
2437 case GL_TEXTURE_RECTANGLE_ARB
:
2438 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_RECTANGLE_ARB
, device
->dummy_textures
.tex_rect
);
2439 checkGLcall("glBindTexture");
2441 case GL_TEXTURE_CUBE_MAP
:
2442 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_CUBE_MAP
, device
->dummy_textures
.tex_cube
);
2443 checkGLcall("glBindTexture");
2446 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_3D
, device
->dummy_textures
.tex_3d
);
2447 checkGLcall("glBindTexture");
2449 case GL_TEXTURE_BUFFER
:
2450 gl_info
->gl_ops
.gl
.p_glBindTexture(GL_TEXTURE_BUFFER
, device
->dummy_textures
.tex_buffer
);
2451 checkGLcall("glBindTexture");
2454 ERR("Unexpected texture target %#x.\n", old_texture_type
);
2457 context
->texture_type
[unit
] = target
;
2461 static void context_set_render_offscreen(struct wined3d_context
*context
, BOOL offscreen
)
2463 if (context
->render_offscreen
== offscreen
) return;
2465 context_invalidate_state(context
, STATE_VIEWPORT
);
2466 context_invalidate_state(context
, STATE_SCISSORRECT
);
2467 if (!context
->gl_info
->supported
[ARB_CLIP_CONTROL
])
2469 context_invalidate_state(context
, STATE_FRONTFACE
);
2470 context_invalidate_state(context
, STATE_POINTSPRITECOORDORIGIN
);
2471 context_invalidate_state(context
, STATE_TRANSFORM(WINED3D_TS_PROJECTION
));
2473 if (context
->gl_info
->supported
[ARB_FRAGMENT_COORD_CONVENTIONS
])
2474 context_invalidate_state(context
, STATE_SHADER(WINED3D_SHADER_TYPE_PIXEL
));
2475 context
->render_offscreen
= offscreen
;
2478 static BOOL
match_depth_stencil_format(const struct wined3d_format
*existing
,
2479 const struct wined3d_format
*required
)
2481 if (existing
== required
)
2483 if ((existing
->flags
[WINED3D_GL_RES_TYPE_TEX_2D
] & WINED3DFMT_FLAG_FLOAT
)
2484 != (required
->flags
[WINED3D_GL_RES_TYPE_TEX_2D
] & WINED3DFMT_FLAG_FLOAT
))
2486 if (existing
->depth_size
< required
->depth_size
)
2488 /* If stencil bits are used the exact amount is required - otherwise
2489 * wrapping won't work correctly. */
2490 if (required
->stencil_size
&& required
->stencil_size
!= existing
->stencil_size
)
2495 /* Context activation is done by the caller. */
2496 static void context_validate_onscreen_formats(struct wined3d_context
*context
,
2497 const struct wined3d_rendertarget_view
*depth_stencil
)
2499 /* Onscreen surfaces are always in a swapchain */
2500 struct wined3d_swapchain
*swapchain
= context
->current_rt
.texture
->swapchain
;
2502 if (context
->render_offscreen
|| !depth_stencil
) return;
2503 if (match_depth_stencil_format(swapchain
->ds_format
, depth_stencil
->format
)) return;
2505 /* TODO: If the requested format would satisfy the needs of the existing one(reverse match),
2506 * or no onscreen depth buffer was created, the OpenGL drawable could be changed to the new
2508 WARN("Depth stencil format is not supported by WGL, rendering the backbuffer in an FBO\n");
2510 /* The currently active context is the necessary context to access the swapchain's onscreen buffers */
2511 if (!(wined3d_texture_load_location(context
->current_rt
.texture
, context
->current_rt
.sub_resource_idx
,
2512 context
, WINED3D_LOCATION_TEXTURE_RGB
)))
2513 ERR("Failed to load location.\n");
2514 swapchain
->render_to_fbo
= TRUE
;
2515 swapchain_update_draw_bindings(swapchain
);
2516 context_set_render_offscreen(context
, TRUE
);
2519 GLenum
context_get_offscreen_gl_buffer(const struct wined3d_context
*context
)
2521 switch (wined3d_settings
.offscreen_rendering_mode
)
2524 return GL_COLOR_ATTACHMENT0
;
2526 case ORM_BACKBUFFER
:
2527 return context
->aux_buffers
> 0 ? GL_AUX0
: GL_BACK
;
2530 FIXME("Unhandled offscreen rendering mode %#x.\n", wined3d_settings
.offscreen_rendering_mode
);
2535 static DWORD
context_generate_rt_mask_no_fbo(const struct wined3d_context
*context
, struct wined3d_texture
*rt
)
2537 if (!rt
|| rt
->resource
.format
->id
== WINED3DFMT_NULL
)
2539 else if (rt
->swapchain
)
2540 return context_generate_rt_mask_from_resource(&rt
->resource
);
2542 return context_generate_rt_mask(context_get_offscreen_gl_buffer(context
));
2545 /* Context activation is done by the caller. */
2546 void context_apply_blit_state(struct wined3d_context
*context
, const struct wined3d_device
*device
)
2548 struct wined3d_texture
*rt
= context
->current_rt
.texture
;
2549 struct wined3d_surface
*surface
;
2550 DWORD rt_mask
, *cur_mask
;
2552 if (wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
2554 context_validate_onscreen_formats(context
, NULL
);
2556 if (context
->render_offscreen
)
2558 wined3d_texture_load(rt
, context
, FALSE
);
2560 surface
= rt
->sub_resources
[context
->current_rt
.sub_resource_idx
].u
.surface
;
2561 context_apply_fbo_state_blit(context
, GL_FRAMEBUFFER
, surface
, NULL
, rt
->resource
.draw_binding
);
2562 if (rt
->resource
.format
->id
!= WINED3DFMT_NULL
)
2569 context
->current_fbo
= NULL
;
2570 context_bind_fbo(context
, GL_FRAMEBUFFER
, 0);
2571 rt_mask
= context_generate_rt_mask_from_resource(&rt
->resource
);
2576 rt_mask
= context_generate_rt_mask_no_fbo(context
, rt
);
2579 cur_mask
= context
->current_fbo
? &context
->current_fbo
->rt_mask
: &context
->draw_buffers_mask
;
2581 if (rt_mask
!= *cur_mask
)
2583 context_apply_draw_buffers(context
, rt_mask
);
2584 *cur_mask
= rt_mask
;
2587 if (wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
2589 context_check_fbo_status(context
, GL_FRAMEBUFFER
);
2592 SetupForBlit(device
, context
);
2593 context_invalidate_state(context
, STATE_FRAMEBUFFER
);
2596 static BOOL
context_validate_rt_config(UINT rt_count
, struct wined3d_rendertarget_view
* const *rts
,
2597 const struct wined3d_rendertarget_view
*ds
)
2601 if (ds
) return TRUE
;
2603 for (i
= 0; i
< rt_count
; ++i
)
2605 if (rts
[i
] && rts
[i
]->format
->id
!= WINED3DFMT_NULL
)
2609 WARN("Invalid render target config, need at least one attachment.\n");
2613 /* Context activation is done by the caller. */
2614 BOOL
context_apply_clear_state(struct wined3d_context
*context
, const struct wined3d_state
*state
,
2615 UINT rt_count
, const struct wined3d_fb_state
*fb
)
2617 struct wined3d_rendertarget_view
**rts
= fb
->render_targets
;
2618 struct wined3d_rendertarget_view
*dsv
= fb
->depth_stencil
;
2619 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
2620 DWORD rt_mask
= 0, *cur_mask
;
2623 if (isStateDirty(context
, STATE_FRAMEBUFFER
) || fb
!= state
->fb
2624 || rt_count
!= gl_info
->limits
.buffers
)
2626 if (!context_validate_rt_config(rt_count
, rts
, dsv
))
2629 if (wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
2631 context_validate_onscreen_formats(context
, dsv
);
2633 if (!rt_count
|| wined3d_resource_is_offscreen(rts
[0]->resource
))
2635 for (i
= 0; i
< rt_count
; ++i
)
2637 context
->blit_targets
[i
] = wined3d_rendertarget_view_get_surface(rts
[i
]);
2638 if (rts
[i
] && rts
[i
]->format
->id
!= WINED3DFMT_NULL
)
2639 rt_mask
|= (1u << i
);
2641 while (i
< gl_info
->limits
.buffers
)
2643 context
->blit_targets
[i
] = NULL
;
2646 context_apply_fbo_state(context
, GL_FRAMEBUFFER
, context
->blit_targets
,
2647 wined3d_rendertarget_view_get_surface(dsv
),
2648 rt_count
? rts
[0]->resource
->draw_binding
: 0,
2649 dsv
? dsv
->resource
->draw_binding
: 0);
2653 context_apply_fbo_state(context
, GL_FRAMEBUFFER
, NULL
, NULL
,
2654 WINED3D_LOCATION_DRAWABLE
, WINED3D_LOCATION_DRAWABLE
);
2655 rt_mask
= context_generate_rt_mask_from_resource(rts
[0]->resource
);
2658 /* If the framebuffer is not the device's fb the device's fb has to be reapplied
2659 * next draw. Otherwise we could mark the framebuffer state clean here, once the
2660 * state management allows this */
2661 context_invalidate_state(context
, STATE_FRAMEBUFFER
);
2665 rt_mask
= context_generate_rt_mask_no_fbo(context
,
2666 rt_count
? wined3d_rendertarget_view_get_surface(rts
[0])->container
: NULL
);
2669 else if (wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
2670 && (!rt_count
|| wined3d_resource_is_offscreen(rts
[0]->resource
)))
2672 for (i
= 0; i
< rt_count
; ++i
)
2674 if (rts
[i
] && rts
[i
]->format
->id
!= WINED3DFMT_NULL
)
2675 rt_mask
|= (1u << i
);
2680 rt_mask
= context_generate_rt_mask_no_fbo(context
,
2681 rt_count
? wined3d_rendertarget_view_get_surface(rts
[0])->container
: NULL
);
2684 cur_mask
= context
->current_fbo
? &context
->current_fbo
->rt_mask
: &context
->draw_buffers_mask
;
2686 if (rt_mask
!= *cur_mask
)
2688 context_apply_draw_buffers(context
, rt_mask
);
2689 *cur_mask
= rt_mask
;
2690 context_invalidate_state(context
, STATE_FRAMEBUFFER
);
2693 if (wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
2695 context_check_fbo_status(context
, GL_FRAMEBUFFER
);
2698 if (context
->last_was_blit
)
2699 context
->last_was_blit
= FALSE
;
2701 /* Blending and clearing should be orthogonal, but tests on the nvidia
2702 * driver show that disabling blending when clearing improves the clearing
2703 * performance incredibly. */
2704 gl_info
->gl_ops
.gl
.p_glDisable(GL_BLEND
);
2705 gl_info
->gl_ops
.gl
.p_glEnable(GL_SCISSOR_TEST
);
2706 if (rt_count
&& gl_info
->supported
[ARB_FRAMEBUFFER_SRGB
])
2708 if (needs_srgb_write(context
, state
, fb
))
2709 gl_info
->gl_ops
.gl
.p_glEnable(GL_FRAMEBUFFER_SRGB
);
2711 gl_info
->gl_ops
.gl
.p_glDisable(GL_FRAMEBUFFER_SRGB
);
2712 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_SRGBWRITEENABLE
));
2714 checkGLcall("setting up state for clear");
2716 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_ALPHABLENDENABLE
));
2717 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE
));
2718 context_invalidate_state(context
, STATE_SCISSORRECT
);
2723 static DWORD
find_draw_buffers_mask(const struct wined3d_context
*context
, const struct wined3d_state
*state
)
2725 struct wined3d_rendertarget_view
**rts
= state
->fb
->render_targets
;
2726 struct wined3d_shader
*ps
= state
->shader
[WINED3D_SHADER_TYPE_PIXEL
];
2727 DWORD rt_mask
, rt_mask_bits
;
2730 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_FBO
)
2731 return context_generate_rt_mask_no_fbo(context
, wined3d_rendertarget_view_get_surface(rts
[0])->container
);
2732 else if (!context
->render_offscreen
)
2733 return context_generate_rt_mask_from_resource(rts
[0]->resource
);
2735 rt_mask
= ps
? ps
->reg_maps
.rt_mask
: 1;
2736 rt_mask
&= context
->d3d_info
->valid_rt_mask
;
2737 rt_mask_bits
= rt_mask
;
2739 while (rt_mask_bits
)
2741 rt_mask_bits
&= ~(1u << i
);
2742 if (!rts
[i
] || rts
[i
]->format
->id
== WINED3DFMT_NULL
)
2743 rt_mask
&= ~(1u << i
);
2751 /* Context activation is done by the caller. */
2752 void context_state_fb(struct wined3d_context
*context
, const struct wined3d_state
*state
, DWORD state_id
)
2754 DWORD rt_mask
= find_draw_buffers_mask(context
, state
);
2755 const struct wined3d_fb_state
*fb
= state
->fb
;
2758 if (wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
2760 if (!context
->render_offscreen
)
2762 context_apply_fbo_state(context
, GL_FRAMEBUFFER
, NULL
, NULL
,
2763 WINED3D_LOCATION_DRAWABLE
, WINED3D_LOCATION_DRAWABLE
);
2769 for (i
= 0; i
< context
->gl_info
->limits
.buffers
; ++i
)
2771 context
->blit_targets
[i
] = wined3d_rendertarget_view_get_surface(fb
->render_targets
[i
]);
2773 context_apply_fbo_state(context
, GL_FRAMEBUFFER
, context
->blit_targets
,
2774 wined3d_rendertarget_view_get_surface(fb
->depth_stencil
),
2775 fb
->render_targets
[0] ? fb
->render_targets
[0]->resource
->draw_binding
: 0,
2776 fb
->depth_stencil
? fb
->depth_stencil
->resource
->draw_binding
: 0);
2780 cur_mask
= context
->current_fbo
? &context
->current_fbo
->rt_mask
: &context
->draw_buffers_mask
;
2781 if (rt_mask
!= *cur_mask
)
2783 context_apply_draw_buffers(context
, rt_mask
);
2784 *cur_mask
= rt_mask
;
2786 context
->constant_update_mask
|= WINED3D_SHADER_CONST_PS_Y_CORR
;
2789 static void context_map_stage(struct wined3d_context
*context
, DWORD stage
, DWORD unit
)
2791 DWORD i
= context
->rev_tex_unit_map
[unit
];
2792 DWORD j
= context
->tex_unit_map
[stage
];
2794 TRACE("Mapping stage %u to unit %u.\n", stage
, unit
);
2795 context
->tex_unit_map
[stage
] = unit
;
2796 if (i
!= WINED3D_UNMAPPED_STAGE
&& i
!= stage
)
2797 context
->tex_unit_map
[i
] = WINED3D_UNMAPPED_STAGE
;
2799 context
->rev_tex_unit_map
[unit
] = stage
;
2800 if (j
!= WINED3D_UNMAPPED_STAGE
&& j
!= unit
)
2801 context
->rev_tex_unit_map
[j
] = WINED3D_UNMAPPED_STAGE
;
2804 static void context_invalidate_texture_stage(struct wined3d_context
*context
, DWORD stage
)
2808 for (i
= 0; i
<= WINED3D_HIGHEST_TEXTURE_STATE
; ++i
)
2809 context_invalidate_state(context
, STATE_TEXTURESTAGE(stage
, i
));
2812 static void context_update_fixed_function_usage_map(struct wined3d_context
*context
,
2813 const struct wined3d_state
*state
)
2817 context
->fixed_function_usage_map
= 0;
2818 for (i
= 0; i
< MAX_TEXTURES
; ++i
)
2820 enum wined3d_texture_op color_op
= state
->texture_states
[i
][WINED3D_TSS_COLOR_OP
];
2821 enum wined3d_texture_op alpha_op
= state
->texture_states
[i
][WINED3D_TSS_ALPHA_OP
];
2822 DWORD color_arg1
= state
->texture_states
[i
][WINED3D_TSS_COLOR_ARG1
] & WINED3DTA_SELECTMASK
;
2823 DWORD color_arg2
= state
->texture_states
[i
][WINED3D_TSS_COLOR_ARG2
] & WINED3DTA_SELECTMASK
;
2824 DWORD color_arg3
= state
->texture_states
[i
][WINED3D_TSS_COLOR_ARG0
] & WINED3DTA_SELECTMASK
;
2825 DWORD alpha_arg1
= state
->texture_states
[i
][WINED3D_TSS_ALPHA_ARG1
] & WINED3DTA_SELECTMASK
;
2826 DWORD alpha_arg2
= state
->texture_states
[i
][WINED3D_TSS_ALPHA_ARG2
] & WINED3DTA_SELECTMASK
;
2827 DWORD alpha_arg3
= state
->texture_states
[i
][WINED3D_TSS_ALPHA_ARG0
] & WINED3DTA_SELECTMASK
;
2829 /* Not used, and disable higher stages. */
2830 if (color_op
== WINED3D_TOP_DISABLE
)
2833 if (((color_arg1
== WINED3DTA_TEXTURE
) && color_op
!= WINED3D_TOP_SELECT_ARG2
)
2834 || ((color_arg2
== WINED3DTA_TEXTURE
) && color_op
!= WINED3D_TOP_SELECT_ARG1
)
2835 || ((color_arg3
== WINED3DTA_TEXTURE
)
2836 && (color_op
== WINED3D_TOP_MULTIPLY_ADD
|| color_op
== WINED3D_TOP_LERP
))
2837 || ((alpha_arg1
== WINED3DTA_TEXTURE
) && alpha_op
!= WINED3D_TOP_SELECT_ARG2
)
2838 || ((alpha_arg2
== WINED3DTA_TEXTURE
) && alpha_op
!= WINED3D_TOP_SELECT_ARG1
)
2839 || ((alpha_arg3
== WINED3DTA_TEXTURE
)
2840 && (alpha_op
== WINED3D_TOP_MULTIPLY_ADD
|| alpha_op
== WINED3D_TOP_LERP
)))
2841 context
->fixed_function_usage_map
|= (1u << i
);
2843 if ((color_op
== WINED3D_TOP_BUMPENVMAP
|| color_op
== WINED3D_TOP_BUMPENVMAP_LUMINANCE
)
2844 && i
< MAX_TEXTURES
- 1)
2845 context
->fixed_function_usage_map
|= (1u << (i
+ 1));
2848 if (i
< context
->lowest_disabled_stage
)
2851 end
= context
->lowest_disabled_stage
;
2855 start
= context
->lowest_disabled_stage
;
2859 context
->lowest_disabled_stage
= i
;
2860 for (i
= start
+ 1; i
< end
; ++i
)
2862 context_invalidate_state(context
, STATE_TEXTURESTAGE(i
, WINED3D_TSS_COLOR_OP
));
2866 static void context_map_fixed_function_samplers(struct wined3d_context
*context
,
2867 const struct wined3d_state
*state
)
2869 const struct wined3d_d3d_info
*d3d_info
= context
->d3d_info
;
2870 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
2871 unsigned int i
, tex
;
2874 context_update_fixed_function_usage_map(context
, state
);
2876 if (gl_info
->limits
.combined_samplers
>= MAX_COMBINED_SAMPLERS
)
2879 ffu_map
= context
->fixed_function_usage_map
;
2881 if (d3d_info
->limits
.ffp_textures
== d3d_info
->limits
.ffp_blend_stages
2882 || context
->lowest_disabled_stage
<= d3d_info
->limits
.ffp_textures
)
2884 for (i
= 0; ffu_map
; ffu_map
>>= 1, ++i
)
2889 if (context
->tex_unit_map
[i
] != i
)
2891 context_map_stage(context
, i
, i
);
2892 context_invalidate_state(context
, STATE_SAMPLER(i
));
2893 context_invalidate_texture_stage(context
, i
);
2899 /* Now work out the mapping */
2901 for (i
= 0; ffu_map
; ffu_map
>>= 1, ++i
)
2906 if (context
->tex_unit_map
[i
] != tex
)
2908 context_map_stage(context
, i
, tex
);
2909 context_invalidate_state(context
, STATE_SAMPLER(i
));
2910 context_invalidate_texture_stage(context
, i
);
2917 static void context_map_psamplers(struct wined3d_context
*context
, const struct wined3d_state
*state
)
2919 const struct wined3d_d3d_info
*d3d_info
= context
->d3d_info
;
2920 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
2921 const struct wined3d_shader_resource_info
*resource_info
=
2922 state
->shader
[WINED3D_SHADER_TYPE_PIXEL
]->reg_maps
.resource_info
;
2925 if (gl_info
->limits
.combined_samplers
>= MAX_COMBINED_SAMPLERS
)
2928 for (i
= 0; i
< MAX_FRAGMENT_SAMPLERS
; ++i
)
2930 if (resource_info
[i
].type
&& context
->tex_unit_map
[i
] != i
)
2932 context_map_stage(context
, i
, i
);
2933 context_invalidate_state(context
, STATE_SAMPLER(i
));
2934 if (i
< d3d_info
->limits
.ffp_blend_stages
)
2935 context_invalidate_texture_stage(context
, i
);
2940 static BOOL
context_unit_free_for_vs(const struct wined3d_context
*context
,
2941 const struct wined3d_shader_resource_info
*ps_resource_info
, DWORD unit
)
2943 DWORD current_mapping
= context
->rev_tex_unit_map
[unit
];
2945 /* Not currently used */
2946 if (current_mapping
== WINED3D_UNMAPPED_STAGE
)
2949 if (current_mapping
< MAX_FRAGMENT_SAMPLERS
)
2951 /* Used by a fragment sampler */
2953 if (!ps_resource_info
)
2955 /* No pixel shader, check fixed function */
2956 return current_mapping
>= MAX_TEXTURES
|| !(context
->fixed_function_usage_map
& (1u << current_mapping
));
2959 /* Pixel shader, check the shader's sampler map */
2960 return !ps_resource_info
[current_mapping
].type
;
2966 static void context_map_vsamplers(struct wined3d_context
*context
, BOOL ps
, const struct wined3d_state
*state
)
2968 const struct wined3d_shader_resource_info
*vs_resource_info
=
2969 state
->shader
[WINED3D_SHADER_TYPE_VERTEX
]->reg_maps
.resource_info
;
2970 const struct wined3d_shader_resource_info
*ps_resource_info
= NULL
;
2971 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
2972 int start
= min(MAX_COMBINED_SAMPLERS
, gl_info
->limits
.combined_samplers
) - 1;
2975 if (gl_info
->limits
.combined_samplers
>= MAX_COMBINED_SAMPLERS
)
2978 /* Note that we only care if a resource is used or not, not the
2979 * resource's specific type. Otherwise we'd need to call
2980 * shader_update_samplers() here for 1.x pixelshaders. */
2982 ps_resource_info
= state
->shader
[WINED3D_SHADER_TYPE_PIXEL
]->reg_maps
.resource_info
;
2984 for (i
= 0; i
< MAX_VERTEX_SAMPLERS
; ++i
)
2986 DWORD vsampler_idx
= i
+ MAX_FRAGMENT_SAMPLERS
;
2987 if (vs_resource_info
[i
].type
)
2991 if (context_unit_free_for_vs(context
, ps_resource_info
, start
))
2993 if (context
->tex_unit_map
[vsampler_idx
] != start
)
2995 context_map_stage(context
, vsampler_idx
, start
);
2996 context_invalidate_state(context
, STATE_SAMPLER(vsampler_idx
));
3005 if (context
->tex_unit_map
[vsampler_idx
] == WINED3D_UNMAPPED_STAGE
)
3006 WARN("Couldn't find a free texture unit for vertex sampler %u.\n", i
);
3011 static void context_update_tex_unit_map(struct wined3d_context
*context
, const struct wined3d_state
*state
)
3013 BOOL vs
= use_vs(state
);
3014 BOOL ps
= use_ps(state
);
3016 /* Try to go for a 1:1 mapping of the samplers when possible. Pixel shaders
3017 * need a 1:1 map at the moment.
3018 * When the mapping of a stage is changed, sampler and ALL texture stage
3019 * states have to be reset. */
3022 context_map_psamplers(context
, state
);
3024 context_map_fixed_function_samplers(context
, state
);
3027 context_map_vsamplers(context
, ps
, state
);
3030 /* Context activation is done by the caller. */
3031 void context_state_drawbuf(struct wined3d_context
*context
, const struct wined3d_state
*state
, DWORD state_id
)
3033 DWORD rt_mask
, *cur_mask
;
3035 if (isStateDirty(context
, STATE_FRAMEBUFFER
)) return;
3037 cur_mask
= context
->current_fbo
? &context
->current_fbo
->rt_mask
: &context
->draw_buffers_mask
;
3038 rt_mask
= find_draw_buffers_mask(context
, state
);
3039 if (rt_mask
!= *cur_mask
)
3041 context_apply_draw_buffers(context
, rt_mask
);
3042 *cur_mask
= rt_mask
;
3046 static BOOL
fixed_get_input(BYTE usage
, BYTE usage_idx
, unsigned int *regnum
)
3048 if ((usage
== WINED3D_DECL_USAGE_POSITION
|| usage
== WINED3D_DECL_USAGE_POSITIONT
) && !usage_idx
)
3049 *regnum
= WINED3D_FFP_POSITION
;
3050 else if (usage
== WINED3D_DECL_USAGE_BLEND_WEIGHT
&& !usage_idx
)
3051 *regnum
= WINED3D_FFP_BLENDWEIGHT
;
3052 else if (usage
== WINED3D_DECL_USAGE_BLEND_INDICES
&& !usage_idx
)
3053 *regnum
= WINED3D_FFP_BLENDINDICES
;
3054 else if (usage
== WINED3D_DECL_USAGE_NORMAL
&& !usage_idx
)
3055 *regnum
= WINED3D_FFP_NORMAL
;
3056 else if (usage
== WINED3D_DECL_USAGE_PSIZE
&& !usage_idx
)
3057 *regnum
= WINED3D_FFP_PSIZE
;
3058 else if (usage
== WINED3D_DECL_USAGE_COLOR
&& !usage_idx
)
3059 *regnum
= WINED3D_FFP_DIFFUSE
;
3060 else if (usage
== WINED3D_DECL_USAGE_COLOR
&& usage_idx
== 1)
3061 *regnum
= WINED3D_FFP_SPECULAR
;
3062 else if (usage
== WINED3D_DECL_USAGE_TEXCOORD
&& usage_idx
< WINED3DDP_MAXTEXCOORD
)
3063 *regnum
= WINED3D_FFP_TEXCOORD0
+ usage_idx
;
3066 FIXME("Unsupported input stream [usage=%s, usage_idx=%u].\n", debug_d3ddeclusage(usage
), usage_idx
);
3074 /* Context activation is done by the caller. */
3075 void context_stream_info_from_declaration(struct wined3d_context
*context
,
3076 const struct wined3d_state
*state
, struct wined3d_stream_info
*stream_info
)
3078 /* We need to deal with frequency data! */
3079 struct wined3d_vertex_declaration
*declaration
= state
->vertex_declaration
;
3080 BOOL generic_attributes
= context
->d3d_info
->ffp_generic_attributes
;
3081 BOOL use_vshader
= use_vs(state
);
3084 stream_info
->use_map
= 0;
3085 stream_info
->swizzle_map
= 0;
3086 stream_info
->position_transformed
= 0;
3091 stream_info
->position_transformed
= declaration
->position_transformed
;
3093 /* Translate the declaration into strided data. */
3094 for (i
= 0; i
< declaration
->element_count
; ++i
)
3096 const struct wined3d_vertex_declaration_element
*element
= &declaration
->elements
[i
];
3097 const struct wined3d_stream_state
*stream
= &state
->streams
[element
->input_slot
];
3101 TRACE("%p Element %p (%u of %u).\n", declaration
->elements
,
3102 element
, i
+ 1, declaration
->element_count
);
3104 if (!stream
->buffer
)
3107 TRACE("offset %u input_slot %u usage_idx %d.\n", element
->offset
, element
->input_slot
, element
->usage_idx
);
3111 if (element
->output_slot
== WINED3D_OUTPUT_SLOT_UNUSED
)
3113 stride_used
= FALSE
;
3115 else if (element
->output_slot
== WINED3D_OUTPUT_SLOT_SEMANTIC
)
3117 /* TODO: Assuming vertexdeclarations are usually used with the
3118 * same or a similar shader, it might be worth it to store the
3119 * last used output slot and try that one first. */
3120 stride_used
= vshader_get_input(state
->shader
[WINED3D_SHADER_TYPE_VERTEX
],
3121 element
->usage
, element
->usage_idx
, &idx
);
3125 idx
= element
->output_slot
;
3131 if (!generic_attributes
&& !element
->ffp_valid
)
3133 WARN("Skipping unsupported fixed function element of format %s and usage %s.\n",
3134 debug_d3dformat(element
->format
->id
), debug_d3ddeclusage(element
->usage
));
3135 stride_used
= FALSE
;
3139 stride_used
= fixed_get_input(element
->usage
, element
->usage_idx
, &idx
);
3145 TRACE("Load %s array %u [usage %s, usage_idx %u, "
3146 "input_slot %u, offset %u, stride %u, format %s, class %s, step_rate %u].\n",
3147 use_vshader
? "shader": "fixed function", idx
,
3148 debug_d3ddeclusage(element
->usage
), element
->usage_idx
, element
->input_slot
,
3149 element
->offset
, stream
->stride
, debug_d3dformat(element
->format
->id
),
3150 debug_d3dinput_classification(element
->input_slot_class
), element
->instance_data_step_rate
);
3152 stream_info
->elements
[idx
].format
= element
->format
;
3153 stream_info
->elements
[idx
].data
.buffer_object
= 0;
3154 stream_info
->elements
[idx
].data
.addr
= (BYTE
*)NULL
+ stream
->offset
+ element
->offset
;
3155 stream_info
->elements
[idx
].stride
= stream
->stride
;
3156 stream_info
->elements
[idx
].stream_idx
= element
->input_slot
;
3157 if (stream
->flags
& WINED3DSTREAMSOURCE_INSTANCEDATA
)
3159 stream_info
->elements
[idx
].divisor
= 1;
3161 else if (element
->input_slot_class
== WINED3D_INPUT_PER_INSTANCE_DATA
)
3163 stream_info
->elements
[idx
].divisor
= element
->instance_data_step_rate
;
3164 if (!element
->instance_data_step_rate
)
3165 FIXME("Instance step rate 0 not implemented.\n");
3169 stream_info
->elements
[idx
].divisor
= 0;
3172 if (!context
->gl_info
->supported
[ARB_VERTEX_ARRAY_BGRA
]
3173 && element
->format
->id
== WINED3DFMT_B8G8R8A8_UNORM
)
3175 stream_info
->swizzle_map
|= 1u << idx
;
3177 stream_info
->use_map
|= 1u << idx
;
3182 /* Context activation is done by the caller. */
3183 static void context_update_stream_info(struct wined3d_context
*context
, const struct wined3d_state
*state
)
3185 struct wined3d_stream_info
*stream_info
= &context
->stream_info
;
3186 const struct wined3d_d3d_info
*d3d_info
= context
->d3d_info
;
3187 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
3188 DWORD prev_all_vbo
= stream_info
->all_vbo
;
3192 context_stream_info_from_declaration(context
, state
, stream_info
);
3194 stream_info
->all_vbo
= 1;
3195 context
->num_buffer_queries
= 0;
3196 for (i
= 0, map
= stream_info
->use_map
; map
; map
>>= 1, ++i
)
3198 struct wined3d_stream_info_element
*element
;
3199 struct wined3d_bo_address data
;
3200 struct wined3d_buffer
*buffer
;
3205 element
= &stream_info
->elements
[i
];
3206 buffer
= state
->streams
[element
->stream_idx
].buffer
;
3208 /* We can't use VBOs if the base vertex index is negative. OpenGL
3209 * doesn't accept negative offsets (or rather offsets bigger than the
3210 * VBO, because the pointer is unsigned), so use system memory
3211 * sources. In most sane cases the pointer - offset will still be > 0,
3212 * otherwise it will wrap around to some big value. Hope that with the
3213 * indices the driver wraps it back internally. If not,
3214 * draw_primitive_immediate_mode() is needed, including a vertex buffer
3216 if (state
->load_base_vertex_index
< 0)
3218 WARN_(d3d_perf
)("load_base_vertex_index is < 0 (%d), not using VBOs.\n",
3219 state
->load_base_vertex_index
);
3220 element
->data
.buffer_object
= 0;
3221 element
->data
.addr
+= (ULONG_PTR
)wined3d_buffer_load_sysmem(buffer
, context
);
3222 if ((UINT_PTR
)element
->data
.addr
< -state
->load_base_vertex_index
* element
->stride
)
3223 FIXME("System memory vertex data load offset is negative!\n");
3227 wined3d_buffer_load(buffer
, context
, state
);
3228 wined3d_buffer_get_memory(buffer
, &data
, buffer
->locations
);
3229 element
->data
.buffer_object
= data
.buffer_object
;
3230 element
->data
.addr
+= (ULONG_PTR
)data
.addr
;
3233 if (!element
->data
.buffer_object
)
3234 stream_info
->all_vbo
= 0;
3237 context
->buffer_queries
[context
->num_buffer_queries
++] = buffer
->query
;
3239 TRACE("Load array %u {%#x:%p}.\n", i
, element
->data
.buffer_object
, element
->data
.addr
);
3242 if (prev_all_vbo
!= stream_info
->all_vbo
)
3243 context_invalidate_state(context
, STATE_INDEXBUFFER
);
3245 context
->use_immediate_mode_draw
= FALSE
;
3247 if (stream_info
->all_vbo
)
3252 if (state
->vertex_declaration
->half_float_conv_needed
)
3254 TRACE("Using immediate mode draw with vertex shaders for FLOAT16 conversion.\n");
3255 context
->use_immediate_mode_draw
= TRUE
;
3260 WORD slow_mask
= -!d3d_info
->ffp_generic_attributes
& (1u << WINED3D_FFP_PSIZE
);
3261 slow_mask
|= -(!gl_info
->supported
[ARB_VERTEX_ARRAY_BGRA
] && !d3d_info
->ffp_generic_attributes
)
3262 & ((1u << WINED3D_FFP_DIFFUSE
) | (1u << WINED3D_FFP_SPECULAR
) | (1u << WINED3D_FFP_BLENDWEIGHT
));
3264 if ((stream_info
->position_transformed
&& !d3d_info
->xyzrhw
)
3265 || (stream_info
->use_map
& slow_mask
))
3266 context
->use_immediate_mode_draw
= TRUE
;
3270 /* Context activation is done by the caller. */
3271 static void context_preload_texture(struct wined3d_context
*context
,
3272 const struct wined3d_state
*state
, unsigned int idx
)
3274 struct wined3d_texture
*texture
;
3276 if (!(texture
= state
->textures
[idx
]))
3279 wined3d_texture_load(texture
, context
, state
->sampler_states
[idx
][WINED3D_SAMP_SRGB_TEXTURE
]);
3282 /* Context activation is done by the caller. */
3283 static void context_preload_textures(struct wined3d_context
*context
, const struct wined3d_state
*state
)
3289 for (i
= 0; i
< MAX_VERTEX_SAMPLERS
; ++i
)
3291 if (state
->shader
[WINED3D_SHADER_TYPE_VERTEX
]->reg_maps
.resource_info
[i
].type
)
3292 context_preload_texture(context
, state
, MAX_FRAGMENT_SAMPLERS
+ i
);
3298 for (i
= 0; i
< MAX_FRAGMENT_SAMPLERS
; ++i
)
3300 if (state
->shader
[WINED3D_SHADER_TYPE_PIXEL
]->reg_maps
.resource_info
[i
].type
)
3301 context_preload_texture(context
, state
, i
);
3306 WORD ffu_map
= context
->fixed_function_usage_map
;
3308 for (i
= 0; ffu_map
; ffu_map
>>= 1, ++i
)
3311 context_preload_texture(context
, state
, i
);
3316 static void context_load_shader_resources(struct wined3d_context
*context
, const struct wined3d_state
*state
)
3318 struct wined3d_shader_sampler_map_entry
*entry
;
3319 struct wined3d_shader_resource_view
*view
;
3320 struct wined3d_shader
*shader
;
3323 for (i
= 0; i
< WINED3D_SHADER_TYPE_COUNT
; ++i
)
3325 if (!(shader
= state
->shader
[i
]))
3328 for (j
= 0; j
< WINED3D_MAX_CBS
; ++j
)
3330 if (state
->cb
[i
][j
])
3331 wined3d_buffer_load(state
->cb
[i
][j
], context
, state
);
3334 for (j
= 0; j
< shader
->reg_maps
.sampler_map
.count
; ++j
)
3336 entry
= &shader
->reg_maps
.sampler_map
.entries
[j
];
3338 if (!(view
= state
->shader_resource_view
[i
][entry
->resource_idx
]))
3340 WARN("No resource view bound at index %u, %u.\n", i
, entry
->resource_idx
);
3344 if (view
->resource
->type
== WINED3D_RTYPE_BUFFER
)
3345 wined3d_buffer_load(buffer_from_resource(view
->resource
), context
, state
);
3347 wined3d_texture_load(texture_from_resource(view
->resource
), context
, FALSE
);
3352 static void context_bind_shader_resources(struct wined3d_context
*context
, const struct wined3d_state
*state
)
3354 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
3355 const struct wined3d_device
*device
= context
->device
;
3356 struct wined3d_shader_sampler_map_entry
*entry
;
3357 struct wined3d_shader_resource_view
*view
;
3358 struct wined3d_sampler
*sampler
;
3359 struct wined3d_shader
*shader
;
3360 unsigned int i
, j
, count
;
3361 GLuint sampler_name
;
3365 enum wined3d_shader_type type
;
3366 unsigned int base_idx
;
3371 {WINED3D_SHADER_TYPE_PIXEL
, 0, MAX_FRAGMENT_SAMPLERS
},
3372 {WINED3D_SHADER_TYPE_VERTEX
, MAX_FRAGMENT_SAMPLERS
, MAX_VERTEX_SAMPLERS
},
3375 for (i
= 0; i
< ARRAY_SIZE(shader_types
); ++i
)
3377 if (!(shader
= state
->shader
[shader_types
[i
].type
]))
3380 count
= shader
->reg_maps
.sampler_map
.count
;
3381 if (count
> shader_types
[i
].count
)
3383 FIXME("Shader %p needs %u samplers, but only %u are supported.\n",
3384 shader
, count
, shader_types
[i
].count
);
3385 count
= shader_types
[i
].count
;
3388 for (j
= 0; j
< count
; ++j
)
3390 entry
= &shader
->reg_maps
.sampler_map
.entries
[j
];
3392 if (!(view
= state
->shader_resource_view
[shader_types
[i
].type
][entry
->resource_idx
]))
3394 WARN("No resource view bound at index %u, %u.\n", shader_types
[i
].type
, entry
->resource_idx
);
3398 if (entry
->sampler_idx
== WINED3D_SAMPLER_DEFAULT
)
3399 sampler_name
= device
->default_sampler
;
3400 else if ((sampler
= state
->sampler
[shader_types
[i
].type
][entry
->sampler_idx
]))
3401 sampler_name
= sampler
->name
;
3403 sampler_name
= device
->null_sampler
;
3405 context_active_texture(context
, gl_info
, shader_types
[i
].base_idx
+ entry
->bind_idx
);
3406 GL_EXTCALL(glBindSampler(shader_types
[i
].base_idx
+ entry
->bind_idx
, sampler_name
));
3407 checkGLcall("glBindSampler");
3408 wined3d_shader_resource_view_bind(view
, context
);
3413 static void context_bind_unordered_access_views(struct wined3d_context
*context
,
3414 const struct wined3d_state
*state
)
3416 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
3417 struct wined3d_unordered_access_view
*view
;
3418 struct wined3d_texture
*texture
;
3419 struct wined3d_shader
*shader
;
3420 GLuint texture_name
;
3424 context
->uses_uavs
= 0;
3426 if (!(shader
= state
->shader
[WINED3D_SHADER_TYPE_PIXEL
]))
3429 for (i
= 0; i
< MAX_UNORDERED_ACCESS_VIEWS
; ++i
)
3431 if (!shader
->reg_maps
.uav_resource_info
[i
].type
)
3434 if (!(view
= state
->unordered_access_view
[i
]))
3436 WARN("No unordered access view bound at index %u.\n", i
);
3437 GL_EXTCALL(glBindImageTexture(i
, 0, 0, GL_FALSE
, 0, GL_READ_WRITE
, GL_R8
));
3441 if (view
->resource
->type
== WINED3D_RTYPE_BUFFER
)
3443 FIXME("Buffer unordered access views not implemented.\n");
3447 context
->uses_uavs
= 1;
3449 texture
= texture_from_resource(view
->resource
);
3450 wined3d_texture_load(texture
, context
, FALSE
);
3451 wined3d_unordered_access_view_invalidate_location(view
, ~WINED3D_LOCATION_TEXTURE_RGB
);
3453 if (view
->gl_view
.name
)
3455 texture_name
= view
->gl_view
.name
;
3460 texture_name
= wined3d_texture_get_gl_texture(texture
, FALSE
)->name
;
3461 level
= view
->level_idx
;
3464 GL_EXTCALL(glBindImageTexture(i
, texture_name
, level
, GL_TRUE
, 0, GL_READ_WRITE
,
3465 view
->format
->glInternal
));
3467 checkGLcall("Bind unordered access views");
3470 /* Context activation is done by the caller. */
3471 BOOL
context_apply_draw_state(struct wined3d_context
*context
,
3472 const struct wined3d_device
*device
, const struct wined3d_state
*state
)
3474 const struct StateEntry
*state_table
= context
->state_table
;
3475 const struct wined3d_fb_state
*fb
= state
->fb
;
3479 if (!context_validate_rt_config(context
->gl_info
->limits
.buffers
,
3480 fb
->render_targets
, fb
->depth_stencil
))
3483 if (wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
&& isStateDirty(context
, STATE_FRAMEBUFFER
))
3485 context_validate_onscreen_formats(context
, fb
->depth_stencil
);
3488 /* Preload resources before FBO setup. Texture preload in particular may
3489 * result in changes to the current FBO, due to using e.g. FBO blits for
3490 * updating a resource location. */
3491 context_update_tex_unit_map(context
, state
);
3492 context_preload_textures(context
, state
);
3493 context_load_shader_resources(context
, state
);
3494 /* TODO: Right now the dependency on the vertex shader is necessary
3495 * since context_stream_info_from_declaration depends on the reg_maps of
3496 * the current VS but maybe it's possible to relax the coupling in some
3497 * situations at least. */
3498 if (isStateDirty(context
, STATE_VDECL
) || isStateDirty(context
, STATE_STREAMSRC
)
3499 || isStateDirty(context
, STATE_SHADER(WINED3D_SHADER_TYPE_VERTEX
)))
3501 context_update_stream_info(context
, state
);
3505 for (i
= 0, map
= context
->stream_info
.use_map
; map
; map
>>= 1, ++i
)
3508 buffer_mark_used(state
->streams
[context
->stream_info
.elements
[i
].stream_idx
].buffer
);
3511 if (state
->index_buffer
)
3513 if (context
->stream_info
.all_vbo
)
3514 wined3d_buffer_load(state
->index_buffer
, context
, state
);
3516 wined3d_buffer_load_sysmem(state
->index_buffer
, context
);
3519 for (i
= 0; i
< context
->numDirtyEntries
; ++i
)
3521 DWORD rep
= context
->dirtyArray
[i
];
3522 DWORD idx
= rep
/ (sizeof(*context
->isStateDirty
) * CHAR_BIT
);
3523 BYTE shift
= rep
& ((sizeof(*context
->isStateDirty
) * CHAR_BIT
) - 1);
3524 context
->isStateDirty
[idx
] &= ~(1u << shift
);
3525 state_table
[rep
].apply(context
, state
, rep
);
3528 if (context
->shader_update_mask
)
3530 device
->shader_backend
->shader_select(device
->shader_priv
, context
, state
);
3531 context
->shader_update_mask
= 0;
3534 if (context
->constant_update_mask
)
3536 device
->shader_backend
->shader_load_constants(device
->shader_priv
, context
, state
);
3537 context
->constant_update_mask
= 0;
3540 if (context
->update_shader_resource_bindings
)
3542 context_bind_shader_resources(context
, state
);
3543 context
->update_shader_resource_bindings
= 0;
3546 if (context
->update_unordered_access_view_bindings
)
3548 context_bind_unordered_access_views(context
, state
);
3549 context
->update_unordered_access_view_bindings
= 0;
3552 if (wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
3554 context_check_fbo_status(context
, GL_FRAMEBUFFER
);
3557 context
->numDirtyEntries
= 0; /* This makes the whole list clean */
3558 context
->last_was_blit
= FALSE
;
3563 static void context_setup_target(struct wined3d_context
*context
,
3564 struct wined3d_texture
*texture
, unsigned int sub_resource_idx
)
3566 BOOL old_render_offscreen
= context
->render_offscreen
, render_offscreen
;
3568 render_offscreen
= wined3d_resource_is_offscreen(&texture
->resource
);
3569 if (context
->current_rt
.texture
== texture
3570 && context
->current_rt
.sub_resource_idx
== sub_resource_idx
3571 && render_offscreen
== old_render_offscreen
)
3574 /* To compensate the lack of format switching with some offscreen rendering methods and on onscreen buffers
3575 * the alpha blend state changes with different render target formats. */
3576 if (!context
->current_rt
.texture
)
3578 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_ALPHABLENDENABLE
));
3582 const struct wined3d_format
*old
= context
->current_rt
.texture
->resource
.format
;
3583 const struct wined3d_format
*new = texture
->resource
.format
;
3585 if (old
->id
!= new->id
)
3587 /* Disable blending when the alpha mask has changed and when a format doesn't support blending. */
3588 if ((old
->alpha_size
&& !new->alpha_size
) || (!old
->alpha_size
&& new->alpha_size
)
3589 || !(texture
->resource
.format_flags
& WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING
))
3590 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_ALPHABLENDENABLE
));
3592 /* Update sRGB writing when switching between formats that do/do not support sRGB writing */
3593 if ((context
->current_rt
.texture
->resource
.format_flags
& WINED3DFMT_FLAG_SRGB_WRITE
)
3594 != (texture
->resource
.format_flags
& WINED3DFMT_FLAG_SRGB_WRITE
))
3595 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_SRGBWRITEENABLE
));
3598 /* When switching away from an offscreen render target, and we're not
3599 * using FBOs, we have to read the drawable into the texture. This is
3600 * done via PreLoad (and WINED3D_LOCATION_DRAWABLE set on the surface).
3601 * There are some things that need care though. PreLoad needs a GL context,
3602 * and FindContext is called before the context is activated. It also
3603 * has to be called with the old rendertarget active, otherwise a
3604 * wrong drawable is read. */
3605 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_FBO
3606 && old_render_offscreen
&& (context
->current_rt
.texture
!= texture
3607 || context
->current_rt
.sub_resource_idx
!= sub_resource_idx
))
3609 unsigned int prev_sub_resource_idx
= context
->current_rt
.sub_resource_idx
;
3610 struct wined3d_texture
*prev_texture
= context
->current_rt
.texture
;
3612 /* Read the back buffer of the old drawable into the destination texture. */
3613 if (prev_texture
->texture_srgb
.name
)
3614 wined3d_texture_load(prev_texture
, context
, TRUE
);
3615 wined3d_texture_load(prev_texture
, context
, FALSE
);
3616 wined3d_texture_invalidate_location(prev_texture
, prev_sub_resource_idx
, WINED3D_LOCATION_DRAWABLE
);
3620 context
->current_rt
.texture
= texture
;
3621 context
->current_rt
.sub_resource_idx
= sub_resource_idx
;
3622 context_set_render_offscreen(context
, render_offscreen
);
3625 struct wined3d_context
*context_acquire(const struct wined3d_device
*device
, struct wined3d_surface
*target
)
3627 struct wined3d_context
*current_context
= context_get_current();
3628 struct wined3d_texture
*target_texture
;
3629 unsigned int target_sub_resource_idx
;
3630 struct wined3d_context
*context
;
3632 TRACE("device %p, target %p.\n", device
, target
);
3634 if (current_context
&& current_context
->destroyed
)
3635 current_context
= NULL
;
3639 target_texture
= target
->container
;
3640 target_sub_resource_idx
= surface_get_sub_resource_idx(target
);
3645 && current_context
->current_rt
.texture
3646 && current_context
->device
== device
)
3648 target_texture
= current_context
->current_rt
.texture
;
3649 target_sub_resource_idx
= current_context
->current_rt
.sub_resource_idx
;
3653 struct wined3d_swapchain
*swapchain
= device
->swapchains
[0];
3655 if (swapchain
->back_buffers
)
3656 target_texture
= swapchain
->back_buffers
[0];
3658 target_texture
= swapchain
->front_buffer
;
3659 target_sub_resource_idx
= 0;
3663 if (current_context
&& current_context
->current_rt
.texture
== target_texture
)
3665 context
= current_context
;
3667 else if (target_texture
->swapchain
)
3669 TRACE("Rendering onscreen.\n");
3671 context
= swapchain_get_context(target_texture
->swapchain
);
3675 TRACE("Rendering offscreen.\n");
3677 /* Stay with the current context if possible. Otherwise use the
3678 * context for the primary swapchain. */
3679 if (current_context
&& current_context
->device
== device
)
3680 context
= current_context
;
3682 context
= swapchain_get_context(device
->swapchains
[0]);
3685 context_enter(context
);
3686 context_update_window(context
);
3687 context_setup_target(context
, target_texture
, target_sub_resource_idx
);
3688 if (!context
->valid
) return context
;
3690 if (context
!= current_context
)
3692 if (!context_set_current(context
))
3693 ERR("Failed to activate the new context.\n");
3695 else if (context
->needs_set
)
3697 context_set_gl_context(context
);