2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 1999-2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 * GL_EXT/ARB_framebuffer_object extensions
40 #include "framebuffer.h"
44 #include "mfeatures.h"
46 #include "renderbuffer.h"
52 /** Set this to 1 to help debug FBO incompleteness problems */
55 /** Set this to 1 to debug/log glBlitFramebuffer() calls */
62 * None of the GL_EXT_framebuffer_object functions are compiled into
69 * When glGenRender/FramebuffersEXT() is called we insert pointers to
70 * these placeholder objects into the hash table.
71 * Later, when the object ID is first bound, we replace the placeholder
72 * with the real frame/renderbuffer.
74 static struct gl_framebuffer DummyFramebuffer
;
75 static struct gl_renderbuffer DummyRenderbuffer
;
77 /* We bind this framebuffer when applications pass a NULL
78 * drawable/surface in make current. */
79 static struct gl_framebuffer IncompleteFramebuffer
;
83 * Is the given FBO a user-created FBO?
85 static inline GLboolean
86 is_user_fbo(const struct gl_framebuffer
*fb
)
93 * Is the given FBO a window system FBO (like an X window)?
95 static inline GLboolean
96 is_winsys_fbo(const struct gl_framebuffer
*fb
)
103 delete_dummy_renderbuffer(struct gl_renderbuffer
*rb
)
109 delete_dummy_framebuffer(struct gl_framebuffer
*fb
)
116 _mesa_init_fbobjects(struct gl_context
*ctx
)
118 _glthread_INIT_MUTEX(DummyFramebuffer
.Mutex
);
119 _glthread_INIT_MUTEX(DummyRenderbuffer
.Mutex
);
120 _glthread_INIT_MUTEX(IncompleteFramebuffer
.Mutex
);
121 DummyFramebuffer
.Delete
= delete_dummy_framebuffer
;
122 DummyRenderbuffer
.Delete
= delete_dummy_renderbuffer
;
123 IncompleteFramebuffer
.Delete
= delete_dummy_framebuffer
;
126 struct gl_framebuffer
*
127 _mesa_get_incomplete_framebuffer(void)
129 return &IncompleteFramebuffer
;
133 * Helper routine for getting a gl_renderbuffer.
135 struct gl_renderbuffer
*
136 _mesa_lookup_renderbuffer(struct gl_context
*ctx
, GLuint id
)
138 struct gl_renderbuffer
*rb
;
143 rb
= (struct gl_renderbuffer
*)
144 _mesa_HashLookup(ctx
->Shared
->RenderBuffers
, id
);
150 * Helper routine for getting a gl_framebuffer.
152 struct gl_framebuffer
*
153 _mesa_lookup_framebuffer(struct gl_context
*ctx
, GLuint id
)
155 struct gl_framebuffer
*fb
;
160 fb
= (struct gl_framebuffer
*)
161 _mesa_HashLookup(ctx
->Shared
->FrameBuffers
, id
);
167 * Mark the given framebuffer as invalid. This will force the
168 * test for framebuffer completeness to be done before the framebuffer
172 invalidate_framebuffer(struct gl_framebuffer
*fb
)
174 fb
->_Status
= 0; /* "indeterminate" */
179 * Return the gl_framebuffer object which corresponds to the given
180 * framebuffer target, such as GL_DRAW_FRAMEBUFFER.
181 * Check support for GL_EXT_framebuffer_blit to determine if certain
183 * \return gl_framebuffer pointer or NULL if target is illegal
185 static struct gl_framebuffer
*
186 get_framebuffer_target(struct gl_context
*ctx
, GLenum target
)
189 case GL_DRAW_FRAMEBUFFER
:
190 return ctx
->Extensions
.EXT_framebuffer_blit
&& ctx
->API
== API_OPENGL
191 ? ctx
->DrawBuffer
: NULL
;
192 case GL_READ_FRAMEBUFFER
:
193 return ctx
->Extensions
.EXT_framebuffer_blit
&& ctx
->API
== API_OPENGL
194 ? ctx
->ReadBuffer
: NULL
;
195 case GL_FRAMEBUFFER_EXT
:
196 return ctx
->DrawBuffer
;
204 * Given a GL_*_ATTACHMENTn token, return a pointer to the corresponding
205 * gl_renderbuffer_attachment object.
206 * This function is only used for user-created FB objects, not the
207 * default / window-system FB object.
208 * If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
209 * the depth buffer attachment point.
211 struct gl_renderbuffer_attachment
*
212 _mesa_get_attachment(struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
217 assert(is_user_fbo(fb
));
219 switch (attachment
) {
220 case GL_COLOR_ATTACHMENT0_EXT
:
221 case GL_COLOR_ATTACHMENT1_EXT
:
222 case GL_COLOR_ATTACHMENT2_EXT
:
223 case GL_COLOR_ATTACHMENT3_EXT
:
224 case GL_COLOR_ATTACHMENT4_EXT
:
225 case GL_COLOR_ATTACHMENT5_EXT
:
226 case GL_COLOR_ATTACHMENT6_EXT
:
227 case GL_COLOR_ATTACHMENT7_EXT
:
228 case GL_COLOR_ATTACHMENT8_EXT
:
229 case GL_COLOR_ATTACHMENT9_EXT
:
230 case GL_COLOR_ATTACHMENT10_EXT
:
231 case GL_COLOR_ATTACHMENT11_EXT
:
232 case GL_COLOR_ATTACHMENT12_EXT
:
233 case GL_COLOR_ATTACHMENT13_EXT
:
234 case GL_COLOR_ATTACHMENT14_EXT
:
235 case GL_COLOR_ATTACHMENT15_EXT
:
236 /* Only OpenGL ES 1.x forbids color attachments other than
237 * GL_COLOR_ATTACHMENT0. For all other APIs the limit set by the
240 i
= attachment
- GL_COLOR_ATTACHMENT0_EXT
;
241 if (i
>= ctx
->Const
.MaxColorAttachments
242 || (i
> 0 && ctx
->API
== API_OPENGLES
)) {
245 return &fb
->Attachment
[BUFFER_COLOR0
+ i
];
246 case GL_DEPTH_STENCIL_ATTACHMENT
:
247 if (ctx
->API
!= API_OPENGL
)
250 case GL_DEPTH_ATTACHMENT_EXT
:
251 return &fb
->Attachment
[BUFFER_DEPTH
];
252 case GL_STENCIL_ATTACHMENT_EXT
:
253 return &fb
->Attachment
[BUFFER_STENCIL
];
261 * As above, but only used for getting attachments of the default /
262 * window-system framebuffer (not user-created framebuffer objects).
264 static struct gl_renderbuffer_attachment
*
265 _mesa_get_fb0_attachment(struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
268 assert(is_winsys_fbo(fb
));
270 switch (attachment
) {
272 return &fb
->Attachment
[BUFFER_FRONT_LEFT
];
274 return &fb
->Attachment
[BUFFER_FRONT_RIGHT
];
276 return &fb
->Attachment
[BUFFER_BACK_LEFT
];
278 return &fb
->Attachment
[BUFFER_BACK_RIGHT
];
280 if (fb
->Visual
.numAuxBuffers
== 1) {
281 return &fb
->Attachment
[BUFFER_AUX0
];
285 /* Page 336 (page 352 of the PDF) of the OpenGL 3.0 spec says:
287 * "If the default framebuffer is bound to target, then attachment must
288 * be one of FRONT LEFT, FRONT RIGHT, BACK LEFT, BACK RIGHT, or AUXi,
289 * identifying a color buffer; DEPTH, identifying the depth buffer; or
290 * STENCIL, identifying the stencil buffer."
292 * Revision #34 of the ARB_framebuffer_object spec has essentially the same
293 * language. However, revision #33 of the ARB_framebuffer_object spec
296 * "If the default framebuffer is bound to <target>, then <attachment>
297 * must be one of FRONT_LEFT, FRONT_RIGHT, BACK_LEFT, BACK_RIGHT, AUXi,
298 * DEPTH_BUFFER, or STENCIL_BUFFER, identifying a color buffer, the
299 * depth buffer, or the stencil buffer, and <pname> may be
300 * FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE or
301 * FRAMEBUFFER_ATTACHMENT_OBJECT_NAME."
303 * The enum values for DEPTH_BUFFER and STENCIL_BUFFER have been removed
304 * from glext.h, so shipping apps should not use those values.
306 * Note that neither EXT_framebuffer_object nor OES_framebuffer_object
307 * support queries of the window system FBO.
310 return &fb
->Attachment
[BUFFER_DEPTH
];
312 return &fb
->Attachment
[BUFFER_STENCIL
];
321 * Remove any texture or renderbuffer attached to the given attachment
322 * point. Update reference counts, etc.
325 _mesa_remove_attachment(struct gl_context
*ctx
,
326 struct gl_renderbuffer_attachment
*att
)
328 if (att
->Type
== GL_TEXTURE
) {
329 ASSERT(att
->Texture
);
330 if (ctx
->Driver
.FinishRenderTexture
) {
331 /* tell driver that we're done rendering to this texture. */
332 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
334 _mesa_reference_texobj(&att
->Texture
, NULL
); /* unbind */
335 ASSERT(!att
->Texture
);
337 if (att
->Type
== GL_TEXTURE
|| att
->Type
== GL_RENDERBUFFER_EXT
) {
338 ASSERT(!att
->Texture
);
339 _mesa_reference_renderbuffer(&att
->Renderbuffer
, NULL
); /* unbind */
340 ASSERT(!att
->Renderbuffer
);
343 att
->Complete
= GL_TRUE
;
348 * Bind a texture object to an attachment point.
349 * The previous binding, if any, will be removed first.
352 _mesa_set_texture_attachment(struct gl_context
*ctx
,
353 struct gl_framebuffer
*fb
,
354 struct gl_renderbuffer_attachment
*att
,
355 struct gl_texture_object
*texObj
,
356 GLenum texTarget
, GLuint level
, GLuint zoffset
)
358 if (att
->Texture
== texObj
) {
359 /* re-attaching same texture */
360 ASSERT(att
->Type
== GL_TEXTURE
);
361 if (ctx
->Driver
.FinishRenderTexture
)
362 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
366 if (ctx
->Driver
.FinishRenderTexture
&& att
->Texture
)
367 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
368 _mesa_remove_attachment(ctx
, att
);
369 att
->Type
= GL_TEXTURE
;
370 assert(!att
->Texture
);
371 _mesa_reference_texobj(&att
->Texture
, texObj
);
374 /* always update these fields */
375 att
->TextureLevel
= level
;
376 att
->CubeMapFace
= _mesa_tex_target_to_face(texTarget
);
377 att
->Zoffset
= zoffset
;
378 att
->Complete
= GL_FALSE
;
380 if (_mesa_get_attachment_teximage(att
)) {
381 ctx
->Driver
.RenderTexture(ctx
, fb
, att
);
384 invalidate_framebuffer(fb
);
389 * Bind a renderbuffer to an attachment point.
390 * The previous binding, if any, will be removed first.
393 _mesa_set_renderbuffer_attachment(struct gl_context
*ctx
,
394 struct gl_renderbuffer_attachment
*att
,
395 struct gl_renderbuffer
*rb
)
397 /* XXX check if re-doing same attachment, exit early */
398 _mesa_remove_attachment(ctx
, att
);
399 att
->Type
= GL_RENDERBUFFER_EXT
;
400 att
->Texture
= NULL
; /* just to be safe */
401 att
->Complete
= GL_FALSE
;
402 _mesa_reference_renderbuffer(&att
->Renderbuffer
, rb
);
407 * Fallback for ctx->Driver.FramebufferRenderbuffer()
408 * Attach a renderbuffer object to a framebuffer object.
411 _mesa_framebuffer_renderbuffer(struct gl_context
*ctx
,
412 struct gl_framebuffer
*fb
,
413 GLenum attachment
, struct gl_renderbuffer
*rb
)
415 struct gl_renderbuffer_attachment
*att
;
417 _glthread_LOCK_MUTEX(fb
->Mutex
);
419 att
= _mesa_get_attachment(ctx
, fb
, attachment
);
422 _mesa_set_renderbuffer_attachment(ctx
, att
, rb
);
423 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
424 /* do stencil attachment here (depth already done above) */
425 att
= _mesa_get_attachment(ctx
, fb
, GL_STENCIL_ATTACHMENT_EXT
);
427 _mesa_set_renderbuffer_attachment(ctx
, att
, rb
);
429 rb
->AttachedAnytime
= GL_TRUE
;
432 _mesa_remove_attachment(ctx
, att
);
435 invalidate_framebuffer(fb
);
437 _glthread_UNLOCK_MUTEX(fb
->Mutex
);
442 * Fallback for ctx->Driver.ValidateFramebuffer()
443 * Check if the renderbuffer's formats are supported by the software
445 * Drivers should probably override this.
448 _mesa_validate_framebuffer(struct gl_context
*ctx
, struct gl_framebuffer
*fb
)
451 for (buf
= 0; buf
< BUFFER_COUNT
; buf
++) {
452 const struct gl_renderbuffer
*rb
= fb
->Attachment
[buf
].Renderbuffer
;
454 switch (rb
->_BaseFormat
) {
456 case GL_LUMINANCE_ALPHA
:
461 fb
->_Status
= GL_FRAMEBUFFER_UNSUPPORTED
;
465 /* render buffer format is supported by software rendering */
476 att_incomplete(const char *msg
)
479 _mesa_debug(NULL
, "attachment incomplete: %s\n", msg
);
490 fbo_incomplete(const char *msg
, int index
)
493 _mesa_debug(NULL
, "FBO Incomplete: %s [%d]\n", msg
, index
);
502 * Is the given base format a legal format for a color renderbuffer?
505 _mesa_is_legal_color_format(const struct gl_context
*ctx
, GLenum baseFormat
)
507 switch (baseFormat
) {
512 case GL_LUMINANCE_ALPHA
:
515 return ctx
->Extensions
.ARB_framebuffer_object
;
518 return ctx
->Extensions
.ARB_texture_rg
;
526 * Is the given base format a legal format for a depth/stencil renderbuffer?
529 is_legal_depth_format(const struct gl_context
*ctx
, GLenum baseFormat
)
531 switch (baseFormat
) {
532 case GL_DEPTH_COMPONENT
:
533 case GL_DEPTH_STENCIL_EXT
:
542 * Test if an attachment point is complete and update its Complete field.
543 * \param format if GL_COLOR, this is a color attachment point,
544 * if GL_DEPTH, this is a depth component attachment point,
545 * if GL_STENCIL, this is a stencil component attachment point.
548 test_attachment_completeness(const struct gl_context
*ctx
, GLenum format
,
549 struct gl_renderbuffer_attachment
*att
)
551 assert(format
== GL_COLOR
|| format
== GL_DEPTH
|| format
== GL_STENCIL
);
553 /* assume complete */
554 att
->Complete
= GL_TRUE
;
556 /* Look for reasons why the attachment might be incomplete */
557 if (att
->Type
== GL_TEXTURE
) {
558 const struct gl_texture_object
*texObj
= att
->Texture
;
559 struct gl_texture_image
*texImage
;
563 att_incomplete("no texobj");
564 att
->Complete
= GL_FALSE
;
568 texImage
= texObj
->Image
[att
->CubeMapFace
][att
->TextureLevel
];
570 att_incomplete("no teximage");
571 att
->Complete
= GL_FALSE
;
574 if (texImage
->Width
< 1 || texImage
->Height
< 1) {
575 att_incomplete("teximage width/height=0");
576 printf("texobj = %u\n", texObj
->Name
);
577 printf("level = %d\n", att
->TextureLevel
);
578 att
->Complete
= GL_FALSE
;
581 if (texObj
->Target
== GL_TEXTURE_3D
&& att
->Zoffset
>= texImage
->Depth
) {
582 att_incomplete("bad z offset");
583 att
->Complete
= GL_FALSE
;
587 baseFormat
= _mesa_get_format_base_format(texImage
->TexFormat
);
589 if (format
== GL_COLOR
) {
590 if (!_mesa_is_legal_color_format(ctx
, baseFormat
)) {
591 att_incomplete("bad format");
592 att
->Complete
= GL_FALSE
;
595 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
596 att_incomplete("compressed internalformat");
597 att
->Complete
= GL_FALSE
;
601 else if (format
== GL_DEPTH
) {
602 if (baseFormat
== GL_DEPTH_COMPONENT
) {
605 else if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
606 ctx
->Extensions
.ARB_depth_texture
&&
607 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
611 att
->Complete
= GL_FALSE
;
612 att_incomplete("bad depth format");
617 ASSERT(format
== GL_STENCIL
);
618 if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
619 ctx
->Extensions
.ARB_depth_texture
&&
620 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
624 /* no such thing as stencil-only textures */
625 att_incomplete("illegal stencil texture");
626 att
->Complete
= GL_FALSE
;
631 else if (att
->Type
== GL_RENDERBUFFER_EXT
) {
632 const GLenum baseFormat
=
633 _mesa_get_format_base_format(att
->Renderbuffer
->Format
);
635 ASSERT(att
->Renderbuffer
);
636 if (!att
->Renderbuffer
->InternalFormat
||
637 att
->Renderbuffer
->Width
< 1 ||
638 att
->Renderbuffer
->Height
< 1) {
639 att_incomplete("0x0 renderbuffer");
640 att
->Complete
= GL_FALSE
;
643 if (format
== GL_COLOR
) {
644 if (!_mesa_is_legal_color_format(ctx
, baseFormat
)) {
645 att_incomplete("bad renderbuffer color format");
646 att
->Complete
= GL_FALSE
;
650 else if (format
== GL_DEPTH
) {
651 if (baseFormat
== GL_DEPTH_COMPONENT
) {
654 else if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
655 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
659 att_incomplete("bad renderbuffer depth format");
660 att
->Complete
= GL_FALSE
;
665 assert(format
== GL_STENCIL
);
666 if (baseFormat
== GL_STENCIL_INDEX
) {
669 else if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
670 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
674 att
->Complete
= GL_FALSE
;
675 att_incomplete("bad renderbuffer stencil format");
681 ASSERT(att
->Type
== GL_NONE
);
689 * Test if the given framebuffer object is complete and update its
690 * Status field with the results.
691 * Calls the ctx->Driver.ValidateFramebuffer() function to allow the
692 * driver to make hardware-specific validation/completeness checks.
693 * Also update the framebuffer's Width and Height fields if the
694 * framebuffer is complete.
697 _mesa_test_framebuffer_completeness(struct gl_context
*ctx
,
698 struct gl_framebuffer
*fb
)
701 GLenum intFormat
= GL_NONE
; /* color buffers' internal format */
702 GLuint minWidth
= ~0, minHeight
= ~0, maxWidth
= 0, maxHeight
= 0;
703 GLint numSamples
= -1;
707 assert(is_user_fbo(fb
));
713 /* Start at -2 to more easily loop over all attachment points.
718 for (i
= -2; i
< (GLint
) ctx
->Const
.MaxColorAttachments
; i
++) {
719 struct gl_renderbuffer_attachment
*att
;
724 * XXX for ARB_fbo, only check color buffers that are named by
725 * GL_READ_BUFFER and GL_DRAW_BUFFERi.
728 /* check for attachment completeness
731 att
= &fb
->Attachment
[BUFFER_DEPTH
];
732 test_attachment_completeness(ctx
, GL_DEPTH
, att
);
733 if (!att
->Complete
) {
734 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
;
735 fbo_incomplete("depth attachment incomplete", -1);
740 att
= &fb
->Attachment
[BUFFER_STENCIL
];
741 test_attachment_completeness(ctx
, GL_STENCIL
, att
);
742 if (!att
->Complete
) {
743 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
;
744 fbo_incomplete("stencil attachment incomplete", -1);
749 att
= &fb
->Attachment
[BUFFER_COLOR0
+ i
];
750 test_attachment_completeness(ctx
, GL_COLOR
, att
);
751 if (!att
->Complete
) {
752 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
;
753 fbo_incomplete("color attachment incomplete", i
);
758 /* get width, height, format of the renderbuffer/texture
760 if (att
->Type
== GL_TEXTURE
) {
761 const struct gl_texture_image
*texImg
=
762 _mesa_get_attachment_teximage(att
);
763 minWidth
= MIN2(minWidth
, texImg
->Width
);
764 maxWidth
= MAX2(maxWidth
, texImg
->Width
);
765 minHeight
= MIN2(minHeight
, texImg
->Height
);
766 maxHeight
= MAX2(maxHeight
, texImg
->Height
);
767 f
= texImg
->_BaseFormat
;
768 attFormat
= texImg
->TexFormat
;
770 if (!_mesa_is_legal_color_format(ctx
, f
) &&
771 !is_legal_depth_format(ctx
, f
)) {
772 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
;
773 fbo_incomplete("texture attachment incomplete", -1);
777 else if (att
->Type
== GL_RENDERBUFFER_EXT
) {
778 minWidth
= MIN2(minWidth
, att
->Renderbuffer
->Width
);
779 maxWidth
= MAX2(minWidth
, att
->Renderbuffer
->Width
);
780 minHeight
= MIN2(minHeight
, att
->Renderbuffer
->Height
);
781 maxHeight
= MAX2(minHeight
, att
->Renderbuffer
->Height
);
782 f
= att
->Renderbuffer
->InternalFormat
;
783 attFormat
= att
->Renderbuffer
->Format
;
787 assert(att
->Type
== GL_NONE
);
791 if (att
->Renderbuffer
&& numSamples
< 0) {
793 numSamples
= att
->Renderbuffer
->NumSamples
;
796 /* check if integer color */
797 fb
->_IntegerColor
= _mesa_is_format_integer_color(attFormat
);
799 /* Error-check width, height, format, samples
801 if (numImages
== 1) {
802 /* save format, num samples */
808 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
809 /* check that width, height, format are same */
810 if (minWidth
!= maxWidth
|| minHeight
!= maxHeight
) {
811 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT
;
812 fbo_incomplete("width or height mismatch", -1);
815 /* check that all color buffers are the same format */
816 if (intFormat
!= GL_NONE
&& f
!= intFormat
) {
817 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
;
818 fbo_incomplete("format mismatch", -1);
822 if (att
->Renderbuffer
&&
823 att
->Renderbuffer
->NumSamples
!= numSamples
) {
824 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE
;
825 fbo_incomplete("inconsistant number of samples", i
);
832 if (ctx
->API
== API_OPENGL
&& !ctx
->Extensions
.ARB_ES2_compatibility
) {
833 /* Check that all DrawBuffers are present */
834 for (j
= 0; j
< ctx
->Const
.MaxDrawBuffers
; j
++) {
835 if (fb
->ColorDrawBuffer
[j
] != GL_NONE
) {
836 const struct gl_renderbuffer_attachment
*att
837 = _mesa_get_attachment(ctx
, fb
, fb
->ColorDrawBuffer
[j
]);
839 if (att
->Type
== GL_NONE
) {
840 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT
;
841 fbo_incomplete("missing drawbuffer", j
);
847 /* Check that the ReadBuffer is present */
848 if (fb
->ColorReadBuffer
!= GL_NONE
) {
849 const struct gl_renderbuffer_attachment
*att
850 = _mesa_get_attachment(ctx
, fb
, fb
->ColorReadBuffer
);
852 if (att
->Type
== GL_NONE
) {
853 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT
;
854 fbo_incomplete("missing readbuffer", -1);
863 if (numImages
== 0) {
864 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT
;
865 fbo_incomplete("no attachments", -1);
869 /* Provisionally set status = COMPLETE ... */
870 fb
->_Status
= GL_FRAMEBUFFER_COMPLETE_EXT
;
872 /* ... but the driver may say the FB is incomplete.
873 * Drivers will most likely set the status to GL_FRAMEBUFFER_UNSUPPORTED
876 if (ctx
->Driver
.ValidateFramebuffer
) {
877 ctx
->Driver
.ValidateFramebuffer(ctx
, fb
);
878 if (fb
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
879 fbo_incomplete("driver marked FBO as incomplete", -1);
883 if (fb
->_Status
== GL_FRAMEBUFFER_COMPLETE_EXT
) {
885 * Note that if ARB_framebuffer_object is supported and the attached
886 * renderbuffers/textures are different sizes, the framebuffer
887 * width/height will be set to the smallest width/height.
889 fb
->Width
= minWidth
;
890 fb
->Height
= minHeight
;
892 /* finally, update the visual info for the framebuffer */
893 _mesa_update_framebuffer_visual(ctx
, fb
);
899 _mesa_IsRenderbufferEXT(GLuint renderbuffer
)
901 GET_CURRENT_CONTEXT(ctx
);
902 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, GL_FALSE
);
904 struct gl_renderbuffer
*rb
= _mesa_lookup_renderbuffer(ctx
, renderbuffer
);
905 if (rb
!= NULL
&& rb
!= &DummyRenderbuffer
)
913 _mesa_BindRenderbufferEXT(GLenum target
, GLuint renderbuffer
)
915 struct gl_renderbuffer
*newRb
;
916 GET_CURRENT_CONTEXT(ctx
);
918 ASSERT_OUTSIDE_BEGIN_END(ctx
);
920 if (target
!= GL_RENDERBUFFER_EXT
) {
921 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindRenderbufferEXT(target)");
925 /* No need to flush here since the render buffer binding has no
926 * effect on rendering state.
930 newRb
= _mesa_lookup_renderbuffer(ctx
, renderbuffer
);
931 if (newRb
== &DummyRenderbuffer
) {
932 /* ID was reserved, but no real renderbuffer object made yet */
935 else if (!newRb
&& ctx
->Extensions
.ARB_framebuffer_object
) {
936 /* All RB IDs must be Gen'd */
937 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindRenderbuffer(buffer)");
942 /* create new renderbuffer object */
943 newRb
= ctx
->Driver
.NewRenderbuffer(ctx
, renderbuffer
);
945 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindRenderbufferEXT");
948 ASSERT(newRb
->AllocStorage
);
949 _mesa_HashInsert(ctx
->Shared
->RenderBuffers
, renderbuffer
, newRb
);
950 newRb
->RefCount
= 1; /* referenced by hash table */
957 ASSERT(newRb
!= &DummyRenderbuffer
);
959 _mesa_reference_renderbuffer(&ctx
->CurrentRenderbuffer
, newRb
);
964 * If the given renderbuffer is anywhere attached to the framebuffer, detach
966 * This is used when a renderbuffer object is deleted.
967 * The spec calls for unbinding.
970 detach_renderbuffer(struct gl_context
*ctx
,
971 struct gl_framebuffer
*fb
,
972 struct gl_renderbuffer
*rb
)
975 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
976 if (fb
->Attachment
[i
].Renderbuffer
== rb
) {
977 _mesa_remove_attachment(ctx
, &fb
->Attachment
[i
]);
980 invalidate_framebuffer(fb
);
985 _mesa_DeleteRenderbuffersEXT(GLsizei n
, const GLuint
*renderbuffers
)
988 GET_CURRENT_CONTEXT(ctx
);
990 ASSERT_OUTSIDE_BEGIN_END(ctx
);
991 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
993 for (i
= 0; i
< n
; i
++) {
994 if (renderbuffers
[i
] > 0) {
995 struct gl_renderbuffer
*rb
;
996 rb
= _mesa_lookup_renderbuffer(ctx
, renderbuffers
[i
]);
998 /* check if deleting currently bound renderbuffer object */
999 if (rb
== ctx
->CurrentRenderbuffer
) {
1001 ASSERT(rb
->RefCount
>= 2);
1002 _mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT
, 0);
1005 if (is_user_fbo(ctx
->DrawBuffer
)) {
1006 detach_renderbuffer(ctx
, ctx
->DrawBuffer
, rb
);
1008 if (is_user_fbo(ctx
->ReadBuffer
)
1009 && ctx
->ReadBuffer
!= ctx
->DrawBuffer
) {
1010 detach_renderbuffer(ctx
, ctx
->ReadBuffer
, rb
);
1013 /* Remove from hash table immediately, to free the ID.
1014 * But the object will not be freed until it's no longer
1015 * referenced anywhere else.
1017 _mesa_HashRemove(ctx
->Shared
->RenderBuffers
, renderbuffers
[i
]);
1019 if (rb
!= &DummyRenderbuffer
) {
1020 /* no longer referenced by hash table */
1021 _mesa_reference_renderbuffer(&rb
, NULL
);
1030 _mesa_GenRenderbuffersEXT(GLsizei n
, GLuint
*renderbuffers
)
1032 GET_CURRENT_CONTEXT(ctx
);
1036 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1039 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenRenderbuffersEXT(n)");
1046 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->RenderBuffers
, n
);
1048 for (i
= 0; i
< n
; i
++) {
1049 GLuint name
= first
+ i
;
1050 renderbuffers
[i
] = name
;
1051 /* insert dummy placeholder into hash table */
1052 _glthread_LOCK_MUTEX(ctx
->Shared
->Mutex
);
1053 _mesa_HashInsert(ctx
->Shared
->RenderBuffers
, name
, &DummyRenderbuffer
);
1054 _glthread_UNLOCK_MUTEX(ctx
->Shared
->Mutex
);
1060 * Given an internal format token for a render buffer, return the
1061 * corresponding base format (one of GL_RGB, GL_RGBA, GL_STENCIL_INDEX,
1062 * GL_DEPTH_COMPONENT, GL_DEPTH_STENCIL_EXT, GL_ALPHA, GL_LUMINANCE,
1063 * GL_LUMINANCE_ALPHA, GL_INTENSITY, etc).
1065 * This is similar to _mesa_base_tex_format() but the set of valid
1066 * internal formats is different.
1068 * Note that even if a format is determined to be legal here, validation
1069 * of the FBO may fail if the format is not supported by the driver/GPU.
1071 * \param internalFormat as passed to glRenderbufferStorage()
1072 * \return the base internal format, or 0 if internalFormat is illegal
1075 _mesa_base_fbo_format(struct gl_context
*ctx
, GLenum internalFormat
)
1078 * Notes: some formats such as alpha, luminance, etc. were added
1079 * with GL_ARB_framebuffer_object.
1081 switch (internalFormat
) {
1087 return ctx
->Extensions
.ARB_framebuffer_object
? GL_ALPHA
: 0;
1091 case GL_LUMINANCE12
:
1092 case GL_LUMINANCE16
:
1093 return ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1094 case GL_LUMINANCE_ALPHA
:
1095 case GL_LUMINANCE4_ALPHA4
:
1096 case GL_LUMINANCE6_ALPHA2
:
1097 case GL_LUMINANCE8_ALPHA8
:
1098 case GL_LUMINANCE12_ALPHA4
:
1099 case GL_LUMINANCE12_ALPHA12
:
1100 case GL_LUMINANCE16_ALPHA16
:
1101 return ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1105 case GL_INTENSITY12
:
1106 case GL_INTENSITY16
:
1107 return ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1126 case GL_SRGB8_ALPHA8_EXT
:
1128 case GL_STENCIL_INDEX
:
1129 case GL_STENCIL_INDEX1_EXT
:
1130 case GL_STENCIL_INDEX4_EXT
:
1131 case GL_STENCIL_INDEX8_EXT
:
1132 case GL_STENCIL_INDEX16_EXT
:
1133 return GL_STENCIL_INDEX
;
1134 case GL_DEPTH_COMPONENT
:
1135 case GL_DEPTH_COMPONENT16
:
1136 case GL_DEPTH_COMPONENT24
:
1137 case GL_DEPTH_COMPONENT32
:
1138 return GL_DEPTH_COMPONENT
;
1139 case GL_DEPTH_STENCIL_EXT
:
1140 case GL_DEPTH24_STENCIL8_EXT
:
1141 if (ctx
->Extensions
.EXT_packed_depth_stencil
)
1142 return GL_DEPTH_STENCIL_EXT
;
1145 case GL_DEPTH_COMPONENT32F
:
1146 if (ctx
->Extensions
.ARB_depth_buffer_float
)
1147 return GL_DEPTH_COMPONENT
;
1150 case GL_DEPTH32F_STENCIL8
:
1151 if (ctx
->Extensions
.ARB_depth_buffer_float
)
1152 return GL_DEPTH_STENCIL
;
1158 return ctx
->Extensions
.ARB_texture_rg
? GL_RED
: 0;
1162 return ctx
->Extensions
.ARB_texture_rg
? GL_RG
: 0;
1163 /* signed normalized texture formats */
1167 return ctx
->Extensions
.EXT_texture_snorm
? GL_RED
: 0;
1171 return ctx
->Extensions
.EXT_texture_snorm
? GL_RG
: 0;
1174 case GL_RGB16_SNORM
:
1175 return ctx
->Extensions
.EXT_texture_snorm
? GL_RGB
: 0;
1177 case GL_RGBA8_SNORM
:
1178 case GL_RGBA16_SNORM
:
1179 return ctx
->Extensions
.EXT_texture_snorm
? GL_RGBA
: 0;
1180 case GL_ALPHA_SNORM
:
1181 case GL_ALPHA8_SNORM
:
1182 case GL_ALPHA16_SNORM
:
1183 return ctx
->Extensions
.EXT_texture_snorm
&&
1184 ctx
->Extensions
.ARB_framebuffer_object
? GL_ALPHA
: 0;
1185 case GL_LUMINANCE_SNORM
:
1186 case GL_LUMINANCE8_SNORM
:
1187 case GL_LUMINANCE16_SNORM
:
1188 return ctx
->Extensions
.EXT_texture_snorm
&&
1189 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1190 case GL_LUMINANCE_ALPHA_SNORM
:
1191 case GL_LUMINANCE8_ALPHA8_SNORM
:
1192 case GL_LUMINANCE16_ALPHA16_SNORM
:
1193 return ctx
->Extensions
.EXT_texture_snorm
&&
1194 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1195 case GL_INTENSITY_SNORM
:
1196 case GL_INTENSITY8_SNORM
:
1197 case GL_INTENSITY16_SNORM
:
1198 return ctx
->Extensions
.EXT_texture_snorm
&&
1199 ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1202 return ctx
->Extensions
.ARB_texture_rg
&&
1203 ctx
->Extensions
.ARB_texture_float
? GL_RED
: 0;
1206 return ctx
->Extensions
.ARB_texture_rg
&&
1207 ctx
->Extensions
.ARB_texture_float
? GL_RG
: 0;
1210 return ctx
->Extensions
.ARB_texture_float
? GL_RGB
: 0;
1213 return ctx
->Extensions
.ARB_texture_float
? GL_RGBA
: 0;
1214 case GL_ALPHA16F_ARB
:
1215 case GL_ALPHA32F_ARB
:
1216 return ctx
->Extensions
.ARB_texture_float
&&
1217 ctx
->Extensions
.ARB_framebuffer_object
? GL_ALPHA
: 0;
1218 case GL_LUMINANCE16F_ARB
:
1219 case GL_LUMINANCE32F_ARB
:
1220 return ctx
->Extensions
.ARB_texture_float
&&
1221 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1222 case GL_LUMINANCE_ALPHA16F_ARB
:
1223 case GL_LUMINANCE_ALPHA32F_ARB
:
1224 return ctx
->Extensions
.ARB_texture_float
&&
1225 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1226 case GL_INTENSITY16F_ARB
:
1227 case GL_INTENSITY32F_ARB
:
1228 return ctx
->Extensions
.ARB_texture_float
&&
1229 ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1231 case GL_RGBA8UI_EXT
:
1232 case GL_RGBA16UI_EXT
:
1233 case GL_RGBA32UI_EXT
:
1235 case GL_RGBA16I_EXT
:
1236 case GL_RGBA32I_EXT
:
1237 return ctx
->VersionMajor
>= 3 ||
1238 ctx
->Extensions
.EXT_texture_integer
? GL_RGBA
: 0;
1241 case GL_RGB16UI_EXT
:
1242 case GL_RGB32UI_EXT
:
1246 return ctx
->VersionMajor
>= 3 ||
1247 ctx
->Extensions
.EXT_texture_integer
? GL_RGB
: 0;
1255 return ctx
->VersionMajor
>= 3 ||
1256 (ctx
->Extensions
.ARB_texture_rg
&&
1257 ctx
->Extensions
.EXT_texture_integer
) ? GL_RED
: 0;
1265 return ctx
->VersionMajor
>= 3 ||
1266 (ctx
->Extensions
.ARB_texture_rg
&&
1267 ctx
->Extensions
.EXT_texture_integer
) ? GL_RG
: 0;
1269 case GL_INTENSITY8I_EXT
:
1270 case GL_INTENSITY8UI_EXT
:
1271 case GL_INTENSITY16I_EXT
:
1272 case GL_INTENSITY16UI_EXT
:
1273 case GL_INTENSITY32I_EXT
:
1274 case GL_INTENSITY32UI_EXT
:
1275 return ctx
->Extensions
.EXT_texture_integer
&&
1276 ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1278 case GL_LUMINANCE8I_EXT
:
1279 case GL_LUMINANCE8UI_EXT
:
1280 case GL_LUMINANCE16I_EXT
:
1281 case GL_LUMINANCE16UI_EXT
:
1282 case GL_LUMINANCE32I_EXT
:
1283 case GL_LUMINANCE32UI_EXT
:
1284 return ctx
->Extensions
.EXT_texture_integer
&&
1285 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1287 case GL_LUMINANCE_ALPHA8I_EXT
:
1288 case GL_LUMINANCE_ALPHA8UI_EXT
:
1289 case GL_LUMINANCE_ALPHA16I_EXT
:
1290 case GL_LUMINANCE_ALPHA16UI_EXT
:
1291 case GL_LUMINANCE_ALPHA32I_EXT
:
1292 case GL_LUMINANCE_ALPHA32UI_EXT
:
1293 return ctx
->Extensions
.EXT_texture_integer
&&
1294 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1297 return ctx
->Extensions
.ARB_texture_rgb10_a2ui
? GL_RGBA
: 0;
1305 * Invalidate a renderbuffer attachment. Called from _mesa_HashWalk().
1308 invalidate_rb(GLuint key
, void *data
, void *userData
)
1310 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
1311 struct gl_renderbuffer
*rb
= (struct gl_renderbuffer
*) userData
;
1313 /* If this is a user-created FBO */
1314 if (is_user_fbo(fb
)) {
1316 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
1317 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
1318 if (att
->Type
== GL_RENDERBUFFER
&&
1319 att
->Renderbuffer
== rb
) {
1320 /* Mark fb status as indeterminate to force re-validation */
1329 /** sentinal value, see below */
1330 #define NO_SAMPLES 1000
1334 * Helper function used by _mesa_RenderbufferStorageEXT() and
1335 * _mesa_RenderbufferStorageMultisample().
1336 * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorageEXT().
1339 renderbuffer_storage(GLenum target
, GLenum internalFormat
,
1340 GLsizei width
, GLsizei height
, GLsizei samples
)
1342 const char *func
= samples
== NO_SAMPLES
?
1343 "glRenderbufferStorage" : "RenderbufferStorageMultisample";
1344 struct gl_renderbuffer
*rb
;
1346 GET_CURRENT_CONTEXT(ctx
);
1348 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1350 if (target
!= GL_RENDERBUFFER_EXT
) {
1351 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target)", func
);
1355 baseFormat
= _mesa_base_fbo_format(ctx
, internalFormat
);
1356 if (baseFormat
== 0) {
1357 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalFormat)", func
);
1361 if (width
< 0 || width
> (GLsizei
) ctx
->Const
.MaxRenderbufferSize
) {
1362 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(width)", func
);
1366 if (height
< 0 || height
> (GLsizei
) ctx
->Const
.MaxRenderbufferSize
) {
1367 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(height)", func
);
1371 if (samples
== NO_SAMPLES
) {
1372 /* NumSamples == 0 indicates non-multisampling */
1375 else if (samples
> (GLsizei
) ctx
->Const
.MaxSamples
) {
1376 /* note: driver may choose to use more samples than what's requested */
1377 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(samples)", func
);
1381 rb
= ctx
->CurrentRenderbuffer
;
1383 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s", func
);
1387 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1389 if (rb
->InternalFormat
== internalFormat
&&
1390 rb
->Width
== (GLuint
) width
&&
1391 rb
->Height
== (GLuint
) height
&&
1392 rb
->NumSamples
== samples
) {
1393 /* no change in allocation needed */
1397 /* These MUST get set by the AllocStorage func */
1398 rb
->Format
= MESA_FORMAT_NONE
;
1399 rb
->NumSamples
= samples
;
1401 /* Now allocate the storage */
1402 ASSERT(rb
->AllocStorage
);
1403 if (rb
->AllocStorage(ctx
, rb
, internalFormat
, width
, height
)) {
1404 /* No error - check/set fields now */
1405 assert(rb
->Format
!= MESA_FORMAT_NONE
);
1406 assert(rb
->Width
== (GLuint
) width
);
1407 assert(rb
->Height
== (GLuint
) height
);
1408 rb
->InternalFormat
= internalFormat
;
1409 rb
->_BaseFormat
= baseFormat
;
1410 assert(rb
->_BaseFormat
!= 0);
1413 /* Probably ran out of memory - clear the fields */
1416 rb
->Format
= MESA_FORMAT_NONE
;
1417 rb
->InternalFormat
= GL_NONE
;
1418 rb
->_BaseFormat
= GL_NONE
;
1422 /* Invalidate the framebuffers the renderbuffer is attached in. */
1423 if (rb
->AttachedAnytime
) {
1424 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, invalidate_rb
, rb
);
1429 #if FEATURE_OES_EGL_image
1431 _mesa_EGLImageTargetRenderbufferStorageOES(GLenum target
, GLeglImageOES image
)
1433 struct gl_renderbuffer
*rb
;
1434 GET_CURRENT_CONTEXT(ctx
);
1435 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1437 if (!ctx
->Extensions
.OES_EGL_image
) {
1438 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1439 "glEGLImageTargetRenderbufferStorageOES(unsupported)");
1443 if (target
!= GL_RENDERBUFFER
) {
1444 _mesa_error(ctx
, GL_INVALID_ENUM
,
1445 "EGLImageTargetRenderbufferStorageOES");
1449 rb
= ctx
->CurrentRenderbuffer
;
1451 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1452 "EGLImageTargetRenderbufferStorageOES");
1456 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1458 ctx
->Driver
.EGLImageTargetRenderbufferStorage(ctx
, rb
, image
);
1464 * Helper function for _mesa_GetRenderbufferParameterivEXT() and
1465 * _mesa_GetFramebufferAttachmentParameterivEXT()
1466 * We have to be careful to respect the base format. For example, if a
1467 * renderbuffer/texture was created with internalFormat=GL_RGB but the
1468 * driver actually chose a GL_RGBA format, when the user queries ALPHA_SIZE
1469 * we need to return zero.
1472 get_component_bits(GLenum pname
, GLenum baseFormat
, gl_format format
)
1474 if (_mesa_base_format_has_channel(baseFormat
, pname
))
1475 return _mesa_get_format_bits(format
, pname
);
1483 _mesa_RenderbufferStorageEXT(GLenum target
, GLenum internalFormat
,
1484 GLsizei width
, GLsizei height
)
1486 /* GL_ARB_fbo says calling this function is equivalent to calling
1487 * glRenderbufferStorageMultisample() with samples=0. We pass in
1488 * a token value here just for error reporting purposes.
1490 renderbuffer_storage(target
, internalFormat
, width
, height
, NO_SAMPLES
);
1495 _mesa_RenderbufferStorageMultisample(GLenum target
, GLsizei samples
,
1496 GLenum internalFormat
,
1497 GLsizei width
, GLsizei height
)
1499 renderbuffer_storage(target
, internalFormat
, width
, height
, samples
);
1504 * OpenGL ES version of glRenderBufferStorage.
1507 _es_RenderbufferStorageEXT(GLenum target
, GLenum internalFormat
,
1508 GLsizei width
, GLsizei height
)
1510 switch (internalFormat
) {
1512 /* XXX this confuses GL_RENDERBUFFER_INTERNAL_FORMAT_OES */
1513 /* choose a closest format */
1514 internalFormat
= GL_RGB5
;
1520 renderbuffer_storage(target
, internalFormat
, width
, height
, 0);
1525 _mesa_GetRenderbufferParameterivEXT(GLenum target
, GLenum pname
, GLint
*params
)
1527 struct gl_renderbuffer
*rb
;
1528 GET_CURRENT_CONTEXT(ctx
);
1530 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1532 if (target
!= GL_RENDERBUFFER_EXT
) {
1533 _mesa_error(ctx
, GL_INVALID_ENUM
,
1534 "glGetRenderbufferParameterivEXT(target)");
1538 rb
= ctx
->CurrentRenderbuffer
;
1540 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1541 "glGetRenderbufferParameterivEXT");
1545 /* No need to flush here since we're just quering state which is
1546 * not effected by rendering.
1550 case GL_RENDERBUFFER_WIDTH_EXT
:
1551 *params
= rb
->Width
;
1553 case GL_RENDERBUFFER_HEIGHT_EXT
:
1554 *params
= rb
->Height
;
1556 case GL_RENDERBUFFER_INTERNAL_FORMAT_EXT
:
1557 *params
= rb
->InternalFormat
;
1559 case GL_RENDERBUFFER_RED_SIZE_EXT
:
1560 case GL_RENDERBUFFER_GREEN_SIZE_EXT
:
1561 case GL_RENDERBUFFER_BLUE_SIZE_EXT
:
1562 case GL_RENDERBUFFER_ALPHA_SIZE_EXT
:
1563 case GL_RENDERBUFFER_DEPTH_SIZE_EXT
:
1564 case GL_RENDERBUFFER_STENCIL_SIZE_EXT
:
1565 *params
= get_component_bits(pname
, rb
->_BaseFormat
, rb
->Format
);
1567 case GL_RENDERBUFFER_SAMPLES
:
1568 if (ctx
->Extensions
.ARB_framebuffer_object
) {
1569 *params
= rb
->NumSamples
;
1574 _mesa_error(ctx
, GL_INVALID_ENUM
,
1575 "glGetRenderbufferParameterivEXT(target)");
1581 GLboolean GLAPIENTRY
1582 _mesa_IsFramebufferEXT(GLuint framebuffer
)
1584 GET_CURRENT_CONTEXT(ctx
);
1585 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, GL_FALSE
);
1587 struct gl_framebuffer
*rb
= _mesa_lookup_framebuffer(ctx
, framebuffer
);
1588 if (rb
!= NULL
&& rb
!= &DummyFramebuffer
)
1596 * Check if any of the attachments of the given framebuffer are textures
1597 * (render to texture). Call ctx->Driver.RenderTexture() for such
1601 check_begin_texture_render(struct gl_context
*ctx
, struct gl_framebuffer
*fb
)
1604 ASSERT(ctx
->Driver
.RenderTexture
);
1606 if (is_winsys_fbo(fb
))
1607 return; /* can't render to texture with winsys framebuffers */
1609 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
1610 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
1611 if (att
->Texture
&& _mesa_get_attachment_teximage(att
)) {
1612 ctx
->Driver
.RenderTexture(ctx
, fb
, att
);
1619 * Examine all the framebuffer's attachments to see if any are textures.
1620 * If so, call ctx->Driver.FinishRenderTexture() for each texture to
1621 * notify the device driver that the texture image may have changed.
1624 check_end_texture_render(struct gl_context
*ctx
, struct gl_framebuffer
*fb
)
1626 if (is_winsys_fbo(fb
))
1627 return; /* can't render to texture with winsys framebuffers */
1629 if (ctx
->Driver
.FinishRenderTexture
) {
1631 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
1632 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
1633 if (att
->Texture
&& att
->Renderbuffer
) {
1634 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
1642 _mesa_BindFramebufferEXT(GLenum target
, GLuint framebuffer
)
1644 struct gl_framebuffer
*newDrawFb
, *newReadFb
;
1645 struct gl_framebuffer
*oldDrawFb
, *oldReadFb
;
1646 GLboolean bindReadBuf
, bindDrawBuf
;
1647 GET_CURRENT_CONTEXT(ctx
);
1650 if (ctx
->Extensions
.ARB_framebuffer_object
) {
1651 ASSERT(ctx
->Extensions
.EXT_framebuffer_object
);
1652 ASSERT(ctx
->Extensions
.EXT_framebuffer_blit
);
1656 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1658 if (!ctx
->Extensions
.EXT_framebuffer_object
) {
1659 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1660 "glBindFramebufferEXT(unsupported)");
1665 #if FEATURE_EXT_framebuffer_blit
1666 case GL_DRAW_FRAMEBUFFER_EXT
:
1667 if (!ctx
->Extensions
.EXT_framebuffer_blit
) {
1668 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindFramebufferEXT(target)");
1671 bindDrawBuf
= GL_TRUE
;
1672 bindReadBuf
= GL_FALSE
;
1674 case GL_READ_FRAMEBUFFER_EXT
:
1675 if (!ctx
->Extensions
.EXT_framebuffer_blit
) {
1676 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindFramebufferEXT(target)");
1679 bindDrawBuf
= GL_FALSE
;
1680 bindReadBuf
= GL_TRUE
;
1683 case GL_FRAMEBUFFER_EXT
:
1684 bindDrawBuf
= GL_TRUE
;
1685 bindReadBuf
= GL_TRUE
;
1688 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindFramebufferEXT(target)");
1693 /* Binding a user-created framebuffer object */
1694 newDrawFb
= _mesa_lookup_framebuffer(ctx
, framebuffer
);
1695 if (newDrawFb
== &DummyFramebuffer
) {
1696 /* ID was reserved, but no real framebuffer object made yet */
1699 else if (!newDrawFb
&& ctx
->Extensions
.ARB_framebuffer_object
) {
1700 /* All FBO IDs must be Gen'd */
1701 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindFramebuffer(buffer)");
1706 /* create new framebuffer object */
1707 newDrawFb
= ctx
->Driver
.NewFramebuffer(ctx
, framebuffer
);
1709 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindFramebufferEXT");
1712 _mesa_HashInsert(ctx
->Shared
->FrameBuffers
, framebuffer
, newDrawFb
);
1714 newReadFb
= newDrawFb
;
1717 /* Binding the window system framebuffer (which was originally set
1718 * with MakeCurrent).
1720 newDrawFb
= ctx
->WinSysDrawBuffer
;
1721 newReadFb
= ctx
->WinSysReadBuffer
;
1725 ASSERT(newDrawFb
!= &DummyFramebuffer
);
1727 /* save pointers to current/old framebuffers */
1728 oldDrawFb
= ctx
->DrawBuffer
;
1729 oldReadFb
= ctx
->ReadBuffer
;
1731 /* check if really changing bindings */
1732 if (oldDrawFb
== newDrawFb
)
1733 bindDrawBuf
= GL_FALSE
;
1734 if (oldReadFb
== newReadFb
)
1735 bindReadBuf
= GL_FALSE
;
1738 * OK, now bind the new Draw/Read framebuffers, if they're changing.
1740 * We also check if we're beginning and/or ending render-to-texture.
1741 * When a framebuffer with texture attachments is unbound, call
1742 * ctx->Driver.FinishRenderTexture().
1743 * When a framebuffer with texture attachments is bound, call
1744 * ctx->Driver.RenderTexture().
1746 * Note that if the ReadBuffer has texture attachments we don't consider
1747 * that a render-to-texture case.
1750 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1752 /* check if old readbuffer was render-to-texture */
1753 check_end_texture_render(ctx
, oldReadFb
);
1755 _mesa_reference_framebuffer(&ctx
->ReadBuffer
, newReadFb
);
1759 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1761 /* check if old read/draw buffers were render-to-texture */
1763 check_end_texture_render(ctx
, oldReadFb
);
1765 if (oldDrawFb
!= oldReadFb
)
1766 check_end_texture_render(ctx
, oldDrawFb
);
1768 /* check if newly bound framebuffer has any texture attachments */
1769 check_begin_texture_render(ctx
, newDrawFb
);
1771 _mesa_reference_framebuffer(&ctx
->DrawBuffer
, newDrawFb
);
1774 if ((bindDrawBuf
|| bindReadBuf
) && ctx
->Driver
.BindFramebuffer
) {
1775 ctx
->Driver
.BindFramebuffer(ctx
, target
, newDrawFb
, newReadFb
);
1781 _mesa_DeleteFramebuffersEXT(GLsizei n
, const GLuint
*framebuffers
)
1784 GET_CURRENT_CONTEXT(ctx
);
1786 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1787 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1789 for (i
= 0; i
< n
; i
++) {
1790 if (framebuffers
[i
] > 0) {
1791 struct gl_framebuffer
*fb
;
1792 fb
= _mesa_lookup_framebuffer(ctx
, framebuffers
[i
]);
1794 ASSERT(fb
== &DummyFramebuffer
|| fb
->Name
== framebuffers
[i
]);
1796 /* check if deleting currently bound framebuffer object */
1797 if (ctx
->Extensions
.EXT_framebuffer_blit
) {
1798 /* separate draw/read binding points */
1799 if (fb
== ctx
->DrawBuffer
) {
1801 ASSERT(fb
->RefCount
>= 2);
1802 _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT
, 0);
1804 if (fb
== ctx
->ReadBuffer
) {
1806 ASSERT(fb
->RefCount
>= 2);
1807 _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT
, 0);
1811 /* only one binding point for read/draw buffers */
1812 if (fb
== ctx
->DrawBuffer
|| fb
== ctx
->ReadBuffer
) {
1814 ASSERT(fb
->RefCount
>= 2);
1815 _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT
, 0);
1819 /* remove from hash table immediately, to free the ID */
1820 _mesa_HashRemove(ctx
->Shared
->FrameBuffers
, framebuffers
[i
]);
1822 if (fb
!= &DummyFramebuffer
) {
1823 /* But the object will not be freed until it's no longer
1824 * bound in any context.
1826 _mesa_reference_framebuffer(&fb
, NULL
);
1835 _mesa_GenFramebuffersEXT(GLsizei n
, GLuint
*framebuffers
)
1837 GET_CURRENT_CONTEXT(ctx
);
1841 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1844 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenFramebuffersEXT(n)");
1851 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->FrameBuffers
, n
);
1853 for (i
= 0; i
< n
; i
++) {
1854 GLuint name
= first
+ i
;
1855 framebuffers
[i
] = name
;
1856 /* insert dummy placeholder into hash table */
1857 _glthread_LOCK_MUTEX(ctx
->Shared
->Mutex
);
1858 _mesa_HashInsert(ctx
->Shared
->FrameBuffers
, name
, &DummyFramebuffer
);
1859 _glthread_UNLOCK_MUTEX(ctx
->Shared
->Mutex
);
1866 _mesa_CheckFramebufferStatusEXT(GLenum target
)
1868 struct gl_framebuffer
*buffer
;
1869 GET_CURRENT_CONTEXT(ctx
);
1871 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1873 buffer
= get_framebuffer_target(ctx
, target
);
1875 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCheckFramebufferStatus(target)");
1879 if (is_winsys_fbo(buffer
)) {
1880 /* The window system / default framebuffer is always complete */
1881 return GL_FRAMEBUFFER_COMPLETE_EXT
;
1884 /* No need to flush here */
1886 if (buffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE
) {
1887 _mesa_test_framebuffer_completeness(ctx
, buffer
);
1890 return buffer
->_Status
;
1895 * Replicate the src attachment point. Used by framebuffer_texture() when
1896 * the same texture is attached at GL_DEPTH_ATTACHMENT and
1897 * GL_STENCIL_ATTACHMENT.
1900 reuse_framebuffer_texture_attachment(struct gl_framebuffer
*fb
,
1901 gl_buffer_index dst
,
1902 gl_buffer_index src
)
1904 struct gl_renderbuffer_attachment
*dst_att
= &fb
->Attachment
[dst
];
1905 struct gl_renderbuffer_attachment
*src_att
= &fb
->Attachment
[src
];
1907 assert(src_att
->Texture
!= NULL
);
1908 assert(src_att
->Renderbuffer
!= NULL
);
1910 _mesa_reference_texobj(&dst_att
->Texture
, src_att
->Texture
);
1911 _mesa_reference_renderbuffer(&dst_att
->Renderbuffer
, src_att
->Renderbuffer
);
1912 dst_att
->Type
= src_att
->Type
;
1913 dst_att
->Complete
= src_att
->Complete
;
1914 dst_att
->TextureLevel
= src_att
->TextureLevel
;
1915 dst_att
->Zoffset
= src_att
->Zoffset
;
1920 * Common code called by glFramebufferTexture1D/2D/3DEXT().
1923 framebuffer_texture(struct gl_context
*ctx
, const char *caller
, GLenum target
,
1924 GLenum attachment
, GLenum textarget
, GLuint texture
,
1925 GLint level
, GLint zoffset
)
1927 struct gl_renderbuffer_attachment
*att
;
1928 struct gl_texture_object
*texObj
= NULL
;
1929 struct gl_framebuffer
*fb
;
1930 GLenum maxLevelsTarget
;
1932 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1934 fb
= get_framebuffer_target(ctx
, target
);
1936 _mesa_error(ctx
, GL_INVALID_ENUM
,
1937 "glFramebufferTexture%sEXT(target=0x%x)", caller
, target
);
1941 /* check framebuffer binding */
1942 if (is_winsys_fbo(fb
)) {
1943 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1944 "glFramebufferTexture%sEXT", caller
);
1948 /* The textarget, level, and zoffset parameters are only validated if
1949 * texture is non-zero.
1952 GLboolean err
= GL_TRUE
;
1954 texObj
= _mesa_lookup_texture(ctx
, texture
);
1955 if (texObj
!= NULL
) {
1956 if (textarget
== 0) {
1957 /* XXX what's the purpose of this? */
1958 err
= (texObj
->Target
!= GL_TEXTURE_3D
) &&
1959 (texObj
->Target
!= GL_TEXTURE_1D_ARRAY_EXT
) &&
1960 (texObj
->Target
!= GL_TEXTURE_2D_ARRAY_EXT
);
1963 err
= (texObj
->Target
== GL_TEXTURE_CUBE_MAP
)
1964 ? !_mesa_is_cube_face(textarget
)
1965 : (texObj
->Target
!= textarget
);
1969 /* can't render to a non-existant texture */
1970 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1971 "glFramebufferTexture%sEXT(non existant texture)",
1977 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1978 "glFramebufferTexture%sEXT(texture target mismatch)",
1983 if (texObj
->Target
== GL_TEXTURE_3D
) {
1984 const GLint maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
1985 if (zoffset
< 0 || zoffset
>= maxSize
) {
1986 _mesa_error(ctx
, GL_INVALID_VALUE
,
1987 "glFramebufferTexture%sEXT(zoffset)", caller
);
1991 else if ((texObj
->Target
== GL_TEXTURE_1D_ARRAY_EXT
) ||
1992 (texObj
->Target
== GL_TEXTURE_2D_ARRAY_EXT
)) {
1993 if (zoffset
< 0 || zoffset
>= ctx
->Const
.MaxArrayTextureLayers
) {
1994 _mesa_error(ctx
, GL_INVALID_VALUE
,
1995 "glFramebufferTexture%sEXT(layer)", caller
);
2000 maxLevelsTarget
= textarget
? textarget
: texObj
->Target
;
2002 (level
>= _mesa_max_texture_levels(ctx
, maxLevelsTarget
))) {
2003 _mesa_error(ctx
, GL_INVALID_VALUE
,
2004 "glFramebufferTexture%sEXT(level)", caller
);
2009 att
= _mesa_get_attachment(ctx
, fb
, attachment
);
2011 _mesa_error(ctx
, GL_INVALID_ENUM
,
2012 "glFramebufferTexture%sEXT(attachment)", caller
);
2016 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2018 _glthread_LOCK_MUTEX(fb
->Mutex
);
2020 if (attachment
== GL_DEPTH_ATTACHMENT
&&
2021 texObj
== fb
->Attachment
[BUFFER_STENCIL
].Texture
) {
2022 /* The texture object is already attached to the stencil attachment
2023 * point. Don't create a new renderbuffer; just reuse the stencil
2024 * attachment's. This is required to prevent a GL error in
2025 * glGetFramebufferAttachmentParameteriv(GL_DEPTH_STENCIL).
2027 reuse_framebuffer_texture_attachment(fb
, BUFFER_DEPTH
,
2029 } else if (attachment
== GL_STENCIL_ATTACHMENT
&&
2030 texObj
== fb
->Attachment
[BUFFER_DEPTH
].Texture
) {
2031 /* As above, but with depth and stencil juxtasposed. */
2032 reuse_framebuffer_texture_attachment(fb
, BUFFER_STENCIL
,
2035 _mesa_set_texture_attachment(ctx
, fb
, att
, texObj
, textarget
,
2037 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
2038 /* Above we created a new renderbuffer and attached it to the
2039 * depth attachment point. Now attach it to the stencil attachment
2042 assert(att
== &fb
->Attachment
[BUFFER_DEPTH
]);
2043 reuse_framebuffer_texture_attachment(fb
,BUFFER_STENCIL
,
2048 /* Set the render-to-texture flag. We'll check this flag in
2049 * glTexImage() and friends to determine if we need to revalidate
2050 * any FBOs that might be rendering into this texture.
2051 * This flag never gets cleared since it's non-trivial to determine
2052 * when all FBOs might be done rendering to this texture. That's OK
2053 * though since it's uncommon to render to a texture then repeatedly
2054 * call glTexImage() to change images in the texture.
2056 texObj
->_RenderToTexture
= GL_TRUE
;
2059 _mesa_remove_attachment(ctx
, att
);
2060 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
2061 assert(att
== &fb
->Attachment
[BUFFER_DEPTH
]);
2062 _mesa_remove_attachment(ctx
, &fb
->Attachment
[BUFFER_STENCIL
]);
2066 invalidate_framebuffer(fb
);
2068 _glthread_UNLOCK_MUTEX(fb
->Mutex
);
2074 _mesa_FramebufferTexture1DEXT(GLenum target
, GLenum attachment
,
2075 GLenum textarget
, GLuint texture
, GLint level
)
2077 GET_CURRENT_CONTEXT(ctx
);
2082 switch (textarget
) {
2086 case GL_TEXTURE_1D_ARRAY
:
2087 error
= !ctx
->Extensions
.EXT_texture_array
;
2094 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2095 "glFramebufferTexture1DEXT(textarget=%s)",
2096 _mesa_lookup_enum_by_nr(textarget
));
2101 framebuffer_texture(ctx
, "1D", target
, attachment
, textarget
, texture
,
2107 _mesa_FramebufferTexture2DEXT(GLenum target
, GLenum attachment
,
2108 GLenum textarget
, GLuint texture
, GLint level
)
2110 GET_CURRENT_CONTEXT(ctx
);
2115 switch (textarget
) {
2119 case GL_TEXTURE_RECTANGLE
:
2120 error
= !ctx
->Extensions
.NV_texture_rectangle
;
2122 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
2123 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
2124 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
2125 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
2126 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
2127 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
2128 error
= !ctx
->Extensions
.ARB_texture_cube_map
;
2130 case GL_TEXTURE_2D_ARRAY
:
2131 error
= !ctx
->Extensions
.EXT_texture_array
;
2138 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2139 "glFramebufferTexture2DEXT(textarget=%s)",
2140 _mesa_lookup_enum_by_nr(textarget
));
2145 framebuffer_texture(ctx
, "2D", target
, attachment
, textarget
, texture
,
2151 _mesa_FramebufferTexture3DEXT(GLenum target
, GLenum attachment
,
2152 GLenum textarget
, GLuint texture
,
2153 GLint level
, GLint zoffset
)
2155 GET_CURRENT_CONTEXT(ctx
);
2157 if ((texture
!= 0) && (textarget
!= GL_TEXTURE_3D
)) {
2158 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2159 "glFramebufferTexture3DEXT(textarget)");
2163 framebuffer_texture(ctx
, "3D", target
, attachment
, textarget
, texture
,
2169 _mesa_FramebufferTextureLayerEXT(GLenum target
, GLenum attachment
,
2170 GLuint texture
, GLint level
, GLint layer
)
2172 GET_CURRENT_CONTEXT(ctx
);
2174 framebuffer_texture(ctx
, "Layer", target
, attachment
, 0, texture
,
2180 _mesa_FramebufferRenderbufferEXT(GLenum target
, GLenum attachment
,
2181 GLenum renderbufferTarget
,
2182 GLuint renderbuffer
)
2184 struct gl_renderbuffer_attachment
*att
;
2185 struct gl_framebuffer
*fb
;
2186 struct gl_renderbuffer
*rb
;
2187 GET_CURRENT_CONTEXT(ctx
);
2189 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2191 fb
= get_framebuffer_target(ctx
, target
);
2193 _mesa_error(ctx
, GL_INVALID_ENUM
, "glFramebufferRenderbufferEXT(target)");
2197 if (renderbufferTarget
!= GL_RENDERBUFFER_EXT
) {
2198 _mesa_error(ctx
, GL_INVALID_ENUM
,
2199 "glFramebufferRenderbufferEXT(renderbufferTarget)");
2203 if (is_winsys_fbo(fb
)) {
2204 /* Can't attach new renderbuffers to a window system framebuffer */
2205 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glFramebufferRenderbufferEXT");
2209 att
= _mesa_get_attachment(ctx
, fb
, attachment
);
2211 _mesa_error(ctx
, GL_INVALID_ENUM
,
2212 "glFramebufferRenderbufferEXT(invalid attachment %s)",
2213 _mesa_lookup_enum_by_nr(attachment
));
2218 rb
= _mesa_lookup_renderbuffer(ctx
, renderbuffer
);
2220 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2221 "glFramebufferRenderbufferEXT(non-existant"
2222 " renderbuffer %u)", renderbuffer
);
2225 else if (rb
== &DummyRenderbuffer
) {
2226 /* This is what NVIDIA does */
2227 _mesa_error(ctx
, GL_INVALID_VALUE
,
2228 "glFramebufferRenderbufferEXT(renderbuffer %u)",
2234 /* remove renderbuffer attachment */
2238 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
&&
2239 rb
&& rb
->Format
!= MESA_FORMAT_NONE
) {
2240 /* make sure the renderbuffer is a depth/stencil format */
2241 const GLenum baseFormat
= _mesa_get_format_base_format(rb
->Format
);
2242 if (baseFormat
!= GL_DEPTH_STENCIL
) {
2243 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2244 "glFramebufferRenderbufferEXT(renderbuffer"
2245 " is not DEPTH_STENCIL format)");
2251 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2253 assert(ctx
->Driver
.FramebufferRenderbuffer
);
2254 ctx
->Driver
.FramebufferRenderbuffer(ctx
, fb
, attachment
, rb
);
2256 /* Some subsequent GL commands may depend on the framebuffer's visual
2257 * after the binding is updated. Update visual info now.
2259 _mesa_update_framebuffer_visual(ctx
, fb
);
2264 _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target
, GLenum attachment
,
2265 GLenum pname
, GLint
*params
)
2267 const struct gl_renderbuffer_attachment
*att
;
2268 struct gl_framebuffer
*buffer
;
2270 GET_CURRENT_CONTEXT(ctx
);
2272 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2274 /* The error differs in GL andd GLES. */
2275 err
= ctx
->API
== API_OPENGL
? GL_INVALID_OPERATION
: GL_INVALID_ENUM
;
2277 buffer
= get_framebuffer_target(ctx
, target
);
2279 _mesa_error(ctx
, GL_INVALID_ENUM
,
2280 "glGetFramebufferAttachmentParameterivEXT(target)");
2284 if (is_winsys_fbo(buffer
)) {
2285 /* Page 126 (page 136 of the PDF) of the OpenGL ES 2.0.25 spec
2288 * "If the framebuffer currently bound to target is zero, then
2289 * INVALID_OPERATION is generated."
2291 * The EXT_framebuffer_object spec has the same wording, and the
2292 * OES_framebuffer_object spec refers to the EXT_framebuffer_object
2295 if (ctx
->API
!= API_OPENGL
|| !ctx
->Extensions
.ARB_framebuffer_object
) {
2296 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2297 "glGetFramebufferAttachmentParameteriv(bound FBO = 0)");
2300 /* the default / window-system FBO */
2301 att
= _mesa_get_fb0_attachment(ctx
, buffer
, attachment
);
2304 /* user-created framebuffer FBO */
2305 att
= _mesa_get_attachment(ctx
, buffer
, attachment
);
2309 _mesa_error(ctx
, GL_INVALID_ENUM
,
2310 "glGetFramebufferAttachmentParameterivEXT(attachment)");
2314 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
2315 /* the depth and stencil attachments must point to the same buffer */
2316 const struct gl_renderbuffer_attachment
*depthAtt
, *stencilAtt
;
2317 depthAtt
= _mesa_get_attachment(ctx
, buffer
, GL_DEPTH_ATTACHMENT
);
2318 stencilAtt
= _mesa_get_attachment(ctx
, buffer
, GL_STENCIL_ATTACHMENT
);
2319 if (depthAtt
->Renderbuffer
!= stencilAtt
->Renderbuffer
) {
2320 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2321 "glGetFramebufferAttachmentParameterivEXT(DEPTH/STENCIL"
2322 " attachments differ)");
2327 /* No need to flush here */
2330 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT
:
2331 *params
= is_winsys_fbo(buffer
) ? GL_FRAMEBUFFER_DEFAULT
: att
->Type
;
2333 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT
:
2334 if (att
->Type
== GL_RENDERBUFFER_EXT
) {
2335 *params
= att
->Renderbuffer
->Name
;
2337 else if (att
->Type
== GL_TEXTURE
) {
2338 *params
= att
->Texture
->Name
;
2341 assert(att
->Type
== GL_NONE
);
2342 if (ctx
->API
== API_OPENGL
) {
2345 _mesa_error(ctx
, GL_INVALID_ENUM
,
2346 "glGetFramebufferAttachmentParameterivEXT(pname)");
2350 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT
:
2351 if (att
->Type
== GL_TEXTURE
) {
2352 *params
= att
->TextureLevel
;
2354 else if (att
->Type
== GL_NONE
) {
2355 _mesa_error(ctx
, err
,
2356 "glGetFramebufferAttachmentParameterivEXT(pname)");
2359 _mesa_error(ctx
, GL_INVALID_ENUM
,
2360 "glGetFramebufferAttachmentParameterivEXT(pname)");
2363 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT
:
2364 if (att
->Type
== GL_TEXTURE
) {
2365 if (att
->Texture
&& att
->Texture
->Target
== GL_TEXTURE_CUBE_MAP
) {
2366 *params
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ att
->CubeMapFace
;
2372 else if (att
->Type
== GL_NONE
) {
2373 _mesa_error(ctx
, err
,
2374 "glGetFramebufferAttachmentParameterivEXT(pname)");
2377 _mesa_error(ctx
, GL_INVALID_ENUM
,
2378 "glGetFramebufferAttachmentParameterivEXT(pname)");
2381 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT
:
2382 if (att
->Type
== GL_TEXTURE
) {
2383 if (att
->Texture
&& att
->Texture
->Target
== GL_TEXTURE_3D
) {
2384 *params
= att
->Zoffset
;
2390 else if (att
->Type
== GL_NONE
) {
2391 _mesa_error(ctx
, err
,
2392 "glGetFramebufferAttachmentParameterivEXT(pname)");
2395 _mesa_error(ctx
, GL_INVALID_ENUM
,
2396 "glGetFramebufferAttachmentParameterivEXT(pname)");
2399 case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING
:
2400 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
2401 _mesa_error(ctx
, GL_INVALID_ENUM
,
2402 "glGetFramebufferAttachmentParameterivEXT(pname)");
2404 else if (att
->Type
== GL_NONE
) {
2405 _mesa_error(ctx
, err
,
2406 "glGetFramebufferAttachmentParameterivEXT(pname)");
2409 if (ctx
->Extensions
.EXT_framebuffer_sRGB
&& ctx
->Const
.sRGBCapable
) {
2410 *params
= _mesa_get_format_color_encoding(att
->Renderbuffer
->Format
);
2413 /* According to ARB_framebuffer_sRGB, we should return LINEAR
2414 * if the sRGB conversion is unsupported. */
2415 *params
= GL_LINEAR
;
2419 case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE
:
2420 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
2421 _mesa_error(ctx
, GL_INVALID_ENUM
,
2422 "glGetFramebufferAttachmentParameterivEXT(pname)");
2425 else if (att
->Type
== GL_NONE
) {
2426 _mesa_error(ctx
, err
,
2427 "glGetFramebufferAttachmentParameterivEXT(pname)");
2430 gl_format format
= att
->Renderbuffer
->Format
;
2431 if (format
== MESA_FORMAT_S8
) {
2435 else if (format
== MESA_FORMAT_Z32_FLOAT_X24S8
) {
2436 /* depends on the attachment parameter */
2437 if (attachment
== GL_STENCIL_ATTACHMENT
) {
2445 *params
= _mesa_get_format_datatype(format
);
2449 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE
:
2450 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE
:
2451 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE
:
2452 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE
:
2453 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE
:
2454 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE
:
2455 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
2456 _mesa_error(ctx
, GL_INVALID_ENUM
,
2457 "glGetFramebufferAttachmentParameterivEXT(pname)");
2459 else if (att
->Type
== GL_NONE
) {
2460 _mesa_error(ctx
, err
,
2461 "glGetFramebufferAttachmentParameterivEXT(pname)");
2463 else if (att
->Texture
) {
2464 const struct gl_texture_image
*texImage
=
2465 _mesa_select_tex_image(ctx
, att
->Texture
, att
->Texture
->Target
,
2468 *params
= get_component_bits(pname
, texImage
->_BaseFormat
,
2469 texImage
->TexFormat
);
2475 else if (att
->Renderbuffer
) {
2476 *params
= get_component_bits(pname
, att
->Renderbuffer
->_BaseFormat
,
2477 att
->Renderbuffer
->Format
);
2480 _mesa_problem(ctx
, "glGetFramebufferAttachmentParameterivEXT:"
2481 " invalid FBO attachment structure");
2485 _mesa_error(ctx
, GL_INVALID_ENUM
,
2486 "glGetFramebufferAttachmentParameterivEXT(pname)");
2493 _mesa_GenerateMipmapEXT(GLenum target
)
2495 struct gl_texture_image
*srcImage
;
2496 struct gl_texture_object
*texObj
;
2499 GET_CURRENT_CONTEXT(ctx
);
2501 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2502 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2510 case GL_TEXTURE_CUBE_MAP
:
2511 error
= !ctx
->Extensions
.ARB_texture_cube_map
;
2513 case GL_TEXTURE_1D_ARRAY
:
2514 case GL_TEXTURE_2D_ARRAY
:
2515 error
= !ctx
->Extensions
.EXT_texture_array
;
2522 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGenerateMipmapEXT(target=%s)",
2523 _mesa_lookup_enum_by_nr(target
));
2527 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2529 if (texObj
->BaseLevel
>= texObj
->MaxLevel
) {
2534 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
&&
2535 !_mesa_cube_complete(texObj
)) {
2536 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2537 "glGenerateMipmap(incomplete cube map)");
2541 _mesa_lock_texture(ctx
, texObj
);
2543 srcImage
= _mesa_select_tex_image(ctx
, texObj
, target
, texObj
->BaseLevel
);
2545 _mesa_unlock_texture(ctx
, texObj
);
2549 if (target
== GL_TEXTURE_CUBE_MAP
) {
2551 for (face
= 0; face
< 6; face
++)
2552 ctx
->Driver
.GenerateMipmap(ctx
,
2553 GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
+ face
,
2557 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2559 _mesa_unlock_texture(ctx
, texObj
);
2563 #if FEATURE_EXT_framebuffer_blit
2565 static const struct gl_renderbuffer_attachment
*
2566 find_attachment(const struct gl_framebuffer
*fb
,
2567 const struct gl_renderbuffer
*rb
)
2570 for (i
= 0; i
< Elements(fb
->Attachment
); i
++) {
2571 if (fb
->Attachment
[i
].Renderbuffer
== rb
)
2572 return &fb
->Attachment
[i
];
2579 * Helper function for checking if the datatypes of color buffers are
2580 * compatible for glBlitFramebuffer. From the 3.1 spec, page 198:
2582 * "GL_INVALID_OPERATION is generated if mask contains GL_COLOR_BUFFER_BIT
2583 * and any of the following conditions hold:
2584 * - The read buffer contains fixed-point or floating-point values and any
2585 * draw buffer contains neither fixed-point nor floating-point values.
2586 * - The read buffer contains unsigned integer values and any draw buffer
2587 * does not contain unsigned integer values.
2588 * - The read buffer contains signed integer values and any draw buffer
2589 * does not contain signed integer values."
2592 compatible_color_datatypes(gl_format srcFormat
, gl_format dstFormat
)
2594 GLenum srcType
= _mesa_get_format_datatype(srcFormat
);
2595 GLenum dstType
= _mesa_get_format_datatype(dstFormat
);
2597 if (srcType
!= GL_INT
&& srcType
!= GL_UNSIGNED_INT
) {
2598 assert(srcType
== GL_UNSIGNED_NORMALIZED
||
2599 srcType
== GL_SIGNED_NORMALIZED
||
2600 srcType
== GL_FLOAT
);
2601 /* Boil any of those types down to GL_FLOAT */
2605 if (dstType
!= GL_INT
&& dstType
!= GL_UNSIGNED_INT
) {
2606 assert(dstType
== GL_UNSIGNED_NORMALIZED
||
2607 dstType
== GL_SIGNED_NORMALIZED
||
2608 dstType
== GL_FLOAT
);
2609 /* Boil any of those types down to GL_FLOAT */
2613 return srcType
== dstType
;
2618 * Blit rectangular region, optionally from one framebuffer to another.
2620 * Note, if the src buffer is multisampled and the dest is not, this is
2621 * when the samples must be resolved to a single color.
2624 _mesa_BlitFramebufferEXT(GLint srcX0
, GLint srcY0
, GLint srcX1
, GLint srcY1
,
2625 GLint dstX0
, GLint dstY0
, GLint dstX1
, GLint dstY1
,
2626 GLbitfield mask
, GLenum filter
)
2628 const GLbitfield legalMaskBits
= (GL_COLOR_BUFFER_BIT
|
2629 GL_DEPTH_BUFFER_BIT
|
2630 GL_STENCIL_BUFFER_BIT
);
2631 const struct gl_framebuffer
*readFb
, *drawFb
;
2632 const struct gl_renderbuffer
*colorReadRb
, *colorDrawRb
;
2633 GET_CURRENT_CONTEXT(ctx
);
2635 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2636 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2638 if (MESA_VERBOSE
& VERBOSE_API
)
2640 "glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d, 0x%x, %s)\n",
2641 srcX0
, srcY0
, srcX1
, srcY1
,
2642 dstX0
, dstY0
, dstX1
, dstY1
,
2643 mask
, _mesa_lookup_enum_by_nr(filter
));
2645 if (ctx
->NewState
) {
2646 _mesa_update_state(ctx
);
2649 readFb
= ctx
->ReadBuffer
;
2650 drawFb
= ctx
->DrawBuffer
;
2652 if (!readFb
|| !drawFb
) {
2653 /* This will normally never happen but someday we may want to
2654 * support MakeCurrent() with no drawables.
2659 /* check for complete framebuffers */
2660 if (drawFb
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
||
2661 readFb
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2662 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2663 "glBlitFramebufferEXT(incomplete draw/read buffers)");
2667 if (filter
!= GL_NEAREST
&& filter
!= GL_LINEAR
) {
2668 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBlitFramebufferEXT(filter)");
2672 if (mask
& ~legalMaskBits
) {
2673 _mesa_error( ctx
, GL_INVALID_VALUE
, "glBlitFramebufferEXT(mask)");
2677 /* depth/stencil must be blitted with nearest filtering */
2678 if ((mask
& (GL_DEPTH_BUFFER_BIT
| GL_STENCIL_BUFFER_BIT
))
2679 && filter
!= GL_NEAREST
) {
2680 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2681 "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter)");
2685 /* get color read/draw renderbuffers */
2686 if (mask
& GL_COLOR_BUFFER_BIT
) {
2687 colorReadRb
= readFb
->_ColorReadBuffer
;
2688 colorDrawRb
= drawFb
->_ColorDrawBuffers
[0];
2690 /* From the EXT_framebuffer_object spec:
2692 * "If a buffer is specified in <mask> and does not exist in both
2693 * the read and draw framebuffers, the corresponding bit is silently
2696 if ((colorReadRb
== NULL
) || (colorDrawRb
== NULL
)) {
2697 colorReadRb
= colorDrawRb
= NULL
;
2698 mask
&= ~GL_COLOR_BUFFER_BIT
;
2700 else if (!compatible_color_datatypes(colorReadRb
->Format
,
2701 colorDrawRb
->Format
)) {
2702 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2703 "glBlitFramebufferEXT(color buffer datatypes mismatch)");
2708 colorReadRb
= colorDrawRb
= NULL
;
2711 if (mask
& GL_STENCIL_BUFFER_BIT
) {
2712 struct gl_renderbuffer
*readRb
=
2713 readFb
->Attachment
[BUFFER_STENCIL
].Renderbuffer
;
2714 struct gl_renderbuffer
*drawRb
=
2715 drawFb
->Attachment
[BUFFER_STENCIL
].Renderbuffer
;
2717 /* From the EXT_framebuffer_object spec:
2719 * "If a buffer is specified in <mask> and does not exist in both
2720 * the read and draw framebuffers, the corresponding bit is silently
2723 if ((readRb
== NULL
) || (drawRb
== NULL
)) {
2724 mask
&= ~GL_STENCIL_BUFFER_BIT
;
2726 else if (_mesa_get_format_bits(readRb
->Format
, GL_STENCIL_BITS
) !=
2727 _mesa_get_format_bits(drawRb
->Format
, GL_STENCIL_BITS
)) {
2728 /* There is no need to check the stencil datatype here, because
2729 * there is only one: GL_UNSIGNED_INT.
2731 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2732 "glBlitFramebufferEXT(stencil buffer size mismatch)");
2737 if (mask
& GL_DEPTH_BUFFER_BIT
) {
2738 struct gl_renderbuffer
*readRb
=
2739 readFb
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
2740 struct gl_renderbuffer
*drawRb
=
2741 drawFb
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
2743 /* From the EXT_framebuffer_object spec:
2745 * "If a buffer is specified in <mask> and does not exist in both
2746 * the read and draw framebuffers, the corresponding bit is silently
2749 if ((readRb
== NULL
) || (drawRb
== NULL
)) {
2750 mask
&= ~GL_DEPTH_BUFFER_BIT
;
2752 else if ((_mesa_get_format_bits(readRb
->Format
, GL_DEPTH_BITS
) !=
2753 _mesa_get_format_bits(drawRb
->Format
, GL_DEPTH_BITS
)) ||
2754 (_mesa_get_format_datatype(readRb
->Format
) !=
2755 _mesa_get_format_datatype(drawRb
->Format
))) {
2756 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2757 "glBlitFramebufferEXT(depth buffer format mismatch)");
2762 if (readFb
->Visual
.samples
> 0 &&
2763 drawFb
->Visual
.samples
> 0 &&
2764 readFb
->Visual
.samples
!= drawFb
->Visual
.samples
) {
2765 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2766 "glBlitFramebufferEXT(mismatched samples)");
2770 /* extra checks for multisample copies... */
2771 if (readFb
->Visual
.samples
> 0 || drawFb
->Visual
.samples
> 0) {
2772 /* src and dest region sizes must be the same */
2773 if (srcX1
- srcX0
!= dstX1
- dstX0
||
2774 srcY1
- srcY0
!= dstY1
- dstY0
) {
2775 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2776 "glBlitFramebufferEXT(bad src/dst multisample region sizes)");
2780 /* color formats must match */
2783 colorReadRb
->Format
!= colorDrawRb
->Format
) {
2784 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2785 "glBlitFramebufferEXT(bad src/dst multisample pixel formats)");
2790 if (filter
== GL_LINEAR
&& (mask
& GL_COLOR_BUFFER_BIT
)) {
2791 /* 3.1 spec, page 199:
2792 * "Calling BlitFramebuffer will result in an INVALID_OPERATION error
2793 * if filter is LINEAR and read buffer contains integer data."
2795 GLenum type
= _mesa_get_format_datatype(colorReadRb
->Format
);
2796 if (type
== GL_INT
|| type
== GL_UNSIGNED_INT
) {
2797 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2798 "glBlitFramebufferEXT(integer color type)");
2803 if (!ctx
->Extensions
.EXT_framebuffer_blit
) {
2804 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBlitFramebufferEXT");
2810 printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d,"
2812 srcX0
, srcY0
, srcX1
, srcY1
,
2813 dstX0
, dstY0
, dstX1
, dstY1
,
2816 const struct gl_renderbuffer_attachment
*att
;
2818 att
= find_attachment(readFb
, colorReadRb
);
2819 printf(" Src FBO %u RB %u (%dx%d) ",
2820 readFb
->Name
, colorReadRb
->Name
,
2821 colorReadRb
->Width
, colorReadRb
->Height
);
2822 if (att
&& att
->Texture
) {
2823 printf("Tex %u tgt 0x%x level %u face %u",
2825 att
->Texture
->Target
,
2831 att
= find_attachment(drawFb
, colorDrawRb
);
2832 printf(" Dst FBO %u RB %u (%dx%d) ",
2833 drawFb
->Name
, colorDrawRb
->Name
,
2834 colorDrawRb
->Width
, colorDrawRb
->Height
);
2835 if (att
&& att
->Texture
) {
2836 printf("Tex %u tgt 0x%x level %u face %u",
2838 att
->Texture
->Target
,
2850 ASSERT(ctx
->Driver
.BlitFramebuffer
);
2851 ctx
->Driver
.BlitFramebuffer(ctx
,
2852 srcX0
, srcY0
, srcX1
, srcY1
,
2853 dstX0
, dstY0
, dstX1
, dstY1
,
2856 #endif /* FEATURE_EXT_framebuffer_blit */
2859 #if FEATURE_ARB_geometry_shader4
2861 _mesa_FramebufferTextureARB(GLenum target
, GLenum attachment
,
2862 GLuint texture
, GLint level
)
2864 GET_CURRENT_CONTEXT(ctx
);
2865 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2866 "glFramebufferTextureARB "
2867 "not implemented!");
2872 _mesa_FramebufferTextureFaceARB(GLenum target
, GLenum attachment
,
2873 GLuint texture
, GLint level
, GLenum face
)
2875 GET_CURRENT_CONTEXT(ctx
);
2876 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2877 "glFramebufferTextureFaceARB "
2878 "not implemented!");
2880 #endif /* FEATURE_ARB_geometry_shader4 */