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 delete_dummy_renderbuffer(struct gl_renderbuffer
*rb
)
89 delete_dummy_framebuffer(struct gl_framebuffer
*fb
)
96 _mesa_init_fbobjects(struct gl_context
*ctx
)
98 _glthread_INIT_MUTEX(DummyFramebuffer
.Mutex
);
99 _glthread_INIT_MUTEX(DummyRenderbuffer
.Mutex
);
100 _glthread_INIT_MUTEX(IncompleteFramebuffer
.Mutex
);
101 DummyFramebuffer
.Delete
= delete_dummy_framebuffer
;
102 DummyRenderbuffer
.Delete
= delete_dummy_renderbuffer
;
103 IncompleteFramebuffer
.Delete
= delete_dummy_framebuffer
;
106 struct gl_framebuffer
*
107 _mesa_get_incomplete_framebuffer(void)
109 return &IncompleteFramebuffer
;
113 * Helper routine for getting a gl_renderbuffer.
115 struct gl_renderbuffer
*
116 _mesa_lookup_renderbuffer(struct gl_context
*ctx
, GLuint id
)
118 struct gl_renderbuffer
*rb
;
123 rb
= (struct gl_renderbuffer
*)
124 _mesa_HashLookup(ctx
->Shared
->RenderBuffers
, id
);
130 * Helper routine for getting a gl_framebuffer.
132 struct gl_framebuffer
*
133 _mesa_lookup_framebuffer(struct gl_context
*ctx
, GLuint id
)
135 struct gl_framebuffer
*fb
;
140 fb
= (struct gl_framebuffer
*)
141 _mesa_HashLookup(ctx
->Shared
->FrameBuffers
, id
);
147 * Mark the given framebuffer as invalid. This will force the
148 * test for framebuffer completeness to be done before the framebuffer
152 invalidate_framebuffer(struct gl_framebuffer
*fb
)
154 fb
->_Status
= 0; /* "indeterminate" */
159 * Return the gl_framebuffer object which corresponds to the given
160 * framebuffer target, such as GL_DRAW_FRAMEBUFFER.
161 * Check support for GL_EXT_framebuffer_blit to determine if certain
163 * \return gl_framebuffer pointer or NULL if target is illegal
165 static struct gl_framebuffer
*
166 get_framebuffer_target(struct gl_context
*ctx
, GLenum target
)
169 case GL_DRAW_FRAMEBUFFER
:
170 return ctx
->Extensions
.EXT_framebuffer_blit
&& ctx
->API
== API_OPENGL
171 ? ctx
->DrawBuffer
: NULL
;
172 case GL_READ_FRAMEBUFFER
:
173 return ctx
->Extensions
.EXT_framebuffer_blit
&& ctx
->API
== API_OPENGL
174 ? ctx
->ReadBuffer
: NULL
;
175 case GL_FRAMEBUFFER_EXT
:
176 return ctx
->DrawBuffer
;
184 * Given a GL_*_ATTACHMENTn token, return a pointer to the corresponding
185 * gl_renderbuffer_attachment object.
186 * This function is only used for user-created FB objects, not the
187 * default / window-system FB object.
188 * If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
189 * the depth buffer attachment point.
191 struct gl_renderbuffer_attachment
*
192 _mesa_get_attachment(struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
197 assert(_mesa_is_user_fbo(fb
));
199 switch (attachment
) {
200 case GL_COLOR_ATTACHMENT0_EXT
:
201 case GL_COLOR_ATTACHMENT1_EXT
:
202 case GL_COLOR_ATTACHMENT2_EXT
:
203 case GL_COLOR_ATTACHMENT3_EXT
:
204 case GL_COLOR_ATTACHMENT4_EXT
:
205 case GL_COLOR_ATTACHMENT5_EXT
:
206 case GL_COLOR_ATTACHMENT6_EXT
:
207 case GL_COLOR_ATTACHMENT7_EXT
:
208 case GL_COLOR_ATTACHMENT8_EXT
:
209 case GL_COLOR_ATTACHMENT9_EXT
:
210 case GL_COLOR_ATTACHMENT10_EXT
:
211 case GL_COLOR_ATTACHMENT11_EXT
:
212 case GL_COLOR_ATTACHMENT12_EXT
:
213 case GL_COLOR_ATTACHMENT13_EXT
:
214 case GL_COLOR_ATTACHMENT14_EXT
:
215 case GL_COLOR_ATTACHMENT15_EXT
:
216 /* Only OpenGL ES 1.x forbids color attachments other than
217 * GL_COLOR_ATTACHMENT0. For all other APIs the limit set by the
220 i
= attachment
- GL_COLOR_ATTACHMENT0_EXT
;
221 if (i
>= ctx
->Const
.MaxColorAttachments
222 || (i
> 0 && ctx
->API
== API_OPENGLES
)) {
225 return &fb
->Attachment
[BUFFER_COLOR0
+ i
];
226 case GL_DEPTH_STENCIL_ATTACHMENT
:
227 if (ctx
->API
!= API_OPENGL
)
230 case GL_DEPTH_ATTACHMENT_EXT
:
231 return &fb
->Attachment
[BUFFER_DEPTH
];
232 case GL_STENCIL_ATTACHMENT_EXT
:
233 return &fb
->Attachment
[BUFFER_STENCIL
];
241 * As above, but only used for getting attachments of the default /
242 * window-system framebuffer (not user-created framebuffer objects).
244 static struct gl_renderbuffer_attachment
*
245 _mesa_get_fb0_attachment(struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
248 assert(_mesa_is_winsys_fbo(fb
));
250 switch (attachment
) {
252 return &fb
->Attachment
[BUFFER_FRONT_LEFT
];
254 return &fb
->Attachment
[BUFFER_FRONT_RIGHT
];
256 return &fb
->Attachment
[BUFFER_BACK_LEFT
];
258 return &fb
->Attachment
[BUFFER_BACK_RIGHT
];
260 if (fb
->Visual
.numAuxBuffers
== 1) {
261 return &fb
->Attachment
[BUFFER_AUX0
];
265 /* Page 336 (page 352 of the PDF) of the OpenGL 3.0 spec says:
267 * "If the default framebuffer is bound to target, then attachment must
268 * be one of FRONT LEFT, FRONT RIGHT, BACK LEFT, BACK RIGHT, or AUXi,
269 * identifying a color buffer; DEPTH, identifying the depth buffer; or
270 * STENCIL, identifying the stencil buffer."
272 * Revision #34 of the ARB_framebuffer_object spec has essentially the same
273 * language. However, revision #33 of the ARB_framebuffer_object spec
276 * "If the default framebuffer is bound to <target>, then <attachment>
277 * must be one of FRONT_LEFT, FRONT_RIGHT, BACK_LEFT, BACK_RIGHT, AUXi,
278 * DEPTH_BUFFER, or STENCIL_BUFFER, identifying a color buffer, the
279 * depth buffer, or the stencil buffer, and <pname> may be
280 * FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE or
281 * FRAMEBUFFER_ATTACHMENT_OBJECT_NAME."
283 * The enum values for DEPTH_BUFFER and STENCIL_BUFFER have been removed
284 * from glext.h, so shipping apps should not use those values.
286 * Note that neither EXT_framebuffer_object nor OES_framebuffer_object
287 * support queries of the window system FBO.
290 return &fb
->Attachment
[BUFFER_DEPTH
];
292 return &fb
->Attachment
[BUFFER_STENCIL
];
301 * Remove any texture or renderbuffer attached to the given attachment
302 * point. Update reference counts, etc.
305 _mesa_remove_attachment(struct gl_context
*ctx
,
306 struct gl_renderbuffer_attachment
*att
)
308 if (att
->Type
== GL_TEXTURE
) {
309 ASSERT(att
->Texture
);
310 if (ctx
->Driver
.FinishRenderTexture
) {
311 /* tell driver that we're done rendering to this texture. */
312 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
314 _mesa_reference_texobj(&att
->Texture
, NULL
); /* unbind */
315 ASSERT(!att
->Texture
);
317 if (att
->Type
== GL_TEXTURE
|| att
->Type
== GL_RENDERBUFFER_EXT
) {
318 ASSERT(!att
->Texture
);
319 _mesa_reference_renderbuffer(&att
->Renderbuffer
, NULL
); /* unbind */
320 ASSERT(!att
->Renderbuffer
);
323 att
->Complete
= GL_TRUE
;
328 * Bind a texture object to an attachment point.
329 * The previous binding, if any, will be removed first.
332 _mesa_set_texture_attachment(struct gl_context
*ctx
,
333 struct gl_framebuffer
*fb
,
334 struct gl_renderbuffer_attachment
*att
,
335 struct gl_texture_object
*texObj
,
336 GLenum texTarget
, GLuint level
, GLuint zoffset
)
338 if (att
->Texture
== texObj
) {
339 /* re-attaching same texture */
340 ASSERT(att
->Type
== GL_TEXTURE
);
341 if (ctx
->Driver
.FinishRenderTexture
)
342 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
346 if (ctx
->Driver
.FinishRenderTexture
&& att
->Texture
)
347 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
348 _mesa_remove_attachment(ctx
, att
);
349 att
->Type
= GL_TEXTURE
;
350 assert(!att
->Texture
);
351 _mesa_reference_texobj(&att
->Texture
, texObj
);
354 /* always update these fields */
355 att
->TextureLevel
= level
;
356 att
->CubeMapFace
= _mesa_tex_target_to_face(texTarget
);
357 att
->Zoffset
= zoffset
;
358 att
->Complete
= GL_FALSE
;
360 if (_mesa_get_attachment_teximage(att
)) {
361 ctx
->Driver
.RenderTexture(ctx
, fb
, att
);
364 invalidate_framebuffer(fb
);
369 * Bind a renderbuffer to an attachment point.
370 * The previous binding, if any, will be removed first.
373 _mesa_set_renderbuffer_attachment(struct gl_context
*ctx
,
374 struct gl_renderbuffer_attachment
*att
,
375 struct gl_renderbuffer
*rb
)
377 /* XXX check if re-doing same attachment, exit early */
378 _mesa_remove_attachment(ctx
, att
);
379 att
->Type
= GL_RENDERBUFFER_EXT
;
380 att
->Texture
= NULL
; /* just to be safe */
381 att
->Complete
= GL_FALSE
;
382 _mesa_reference_renderbuffer(&att
->Renderbuffer
, rb
);
387 * Fallback for ctx->Driver.FramebufferRenderbuffer()
388 * Attach a renderbuffer object to a framebuffer object.
391 _mesa_framebuffer_renderbuffer(struct gl_context
*ctx
,
392 struct gl_framebuffer
*fb
,
393 GLenum attachment
, struct gl_renderbuffer
*rb
)
395 struct gl_renderbuffer_attachment
*att
;
397 _glthread_LOCK_MUTEX(fb
->Mutex
);
399 att
= _mesa_get_attachment(ctx
, fb
, attachment
);
402 _mesa_set_renderbuffer_attachment(ctx
, att
, rb
);
403 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
404 /* do stencil attachment here (depth already done above) */
405 att
= _mesa_get_attachment(ctx
, fb
, GL_STENCIL_ATTACHMENT_EXT
);
407 _mesa_set_renderbuffer_attachment(ctx
, att
, rb
);
409 rb
->AttachedAnytime
= GL_TRUE
;
412 _mesa_remove_attachment(ctx
, att
);
415 invalidate_framebuffer(fb
);
417 _glthread_UNLOCK_MUTEX(fb
->Mutex
);
422 * Fallback for ctx->Driver.ValidateFramebuffer()
423 * Check if the renderbuffer's formats are supported by the software
425 * Drivers should probably override this.
428 _mesa_validate_framebuffer(struct gl_context
*ctx
, struct gl_framebuffer
*fb
)
431 for (buf
= 0; buf
< BUFFER_COUNT
; buf
++) {
432 const struct gl_renderbuffer
*rb
= fb
->Attachment
[buf
].Renderbuffer
;
434 switch (rb
->_BaseFormat
) {
436 case GL_LUMINANCE_ALPHA
:
441 fb
->_Status
= GL_FRAMEBUFFER_UNSUPPORTED
;
445 switch (rb
->Format
) {
446 /* XXX This list is likely incomplete. */
447 case MESA_FORMAT_RGB9_E5_FLOAT
:
448 fb
->_Status
= GL_FRAMEBUFFER_UNSUPPORTED
;
451 /* render buffer format is supported by software rendering */
463 att_incomplete(const char *msg
)
466 _mesa_debug(NULL
, "attachment incomplete: %s\n", msg
);
477 fbo_incomplete(const char *msg
, int index
)
480 _mesa_debug(NULL
, "FBO Incomplete: %s [%d]\n", msg
, index
);
489 * Is the given base format a legal format for a color renderbuffer?
492 _mesa_is_legal_color_format(const struct gl_context
*ctx
, GLenum baseFormat
)
494 switch (baseFormat
) {
499 case GL_LUMINANCE_ALPHA
:
502 return ctx
->Extensions
.ARB_framebuffer_object
;
505 return ctx
->Extensions
.ARB_texture_rg
;
513 * Is the given base format a legal format for a depth/stencil renderbuffer?
516 is_legal_depth_format(const struct gl_context
*ctx
, GLenum baseFormat
)
518 switch (baseFormat
) {
519 case GL_DEPTH_COMPONENT
:
520 case GL_DEPTH_STENCIL_EXT
:
529 * Test if an attachment point is complete and update its Complete field.
530 * \param format if GL_COLOR, this is a color attachment point,
531 * if GL_DEPTH, this is a depth component attachment point,
532 * if GL_STENCIL, this is a stencil component attachment point.
535 test_attachment_completeness(const struct gl_context
*ctx
, GLenum format
,
536 struct gl_renderbuffer_attachment
*att
)
538 assert(format
== GL_COLOR
|| format
== GL_DEPTH
|| format
== GL_STENCIL
);
540 /* assume complete */
541 att
->Complete
= GL_TRUE
;
543 /* Look for reasons why the attachment might be incomplete */
544 if (att
->Type
== GL_TEXTURE
) {
545 const struct gl_texture_object
*texObj
= att
->Texture
;
546 struct gl_texture_image
*texImage
;
550 att_incomplete("no texobj");
551 att
->Complete
= GL_FALSE
;
555 texImage
= texObj
->Image
[att
->CubeMapFace
][att
->TextureLevel
];
557 att_incomplete("no teximage");
558 att
->Complete
= GL_FALSE
;
561 if (texImage
->Width
< 1 || texImage
->Height
< 1) {
562 att_incomplete("teximage width/height=0");
563 printf("texobj = %u\n", texObj
->Name
);
564 printf("level = %d\n", att
->TextureLevel
);
565 att
->Complete
= GL_FALSE
;
568 if (texObj
->Target
== GL_TEXTURE_3D
&& att
->Zoffset
>= texImage
->Depth
) {
569 att_incomplete("bad z offset");
570 att
->Complete
= GL_FALSE
;
574 baseFormat
= _mesa_get_format_base_format(texImage
->TexFormat
);
576 if (format
== GL_COLOR
) {
577 if (!_mesa_is_legal_color_format(ctx
, baseFormat
)) {
578 att_incomplete("bad format");
579 att
->Complete
= GL_FALSE
;
582 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
583 att_incomplete("compressed internalformat");
584 att
->Complete
= GL_FALSE
;
588 else if (format
== GL_DEPTH
) {
589 if (baseFormat
== GL_DEPTH_COMPONENT
) {
592 else if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
593 ctx
->Extensions
.ARB_depth_texture
&&
594 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
598 att
->Complete
= GL_FALSE
;
599 att_incomplete("bad depth format");
604 ASSERT(format
== GL_STENCIL
);
605 if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
606 ctx
->Extensions
.ARB_depth_texture
&&
607 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
611 /* no such thing as stencil-only textures */
612 att_incomplete("illegal stencil texture");
613 att
->Complete
= GL_FALSE
;
618 else if (att
->Type
== GL_RENDERBUFFER_EXT
) {
619 const GLenum baseFormat
=
620 _mesa_get_format_base_format(att
->Renderbuffer
->Format
);
622 ASSERT(att
->Renderbuffer
);
623 if (!att
->Renderbuffer
->InternalFormat
||
624 att
->Renderbuffer
->Width
< 1 ||
625 att
->Renderbuffer
->Height
< 1) {
626 att_incomplete("0x0 renderbuffer");
627 att
->Complete
= GL_FALSE
;
630 if (format
== GL_COLOR
) {
631 if (!_mesa_is_legal_color_format(ctx
, baseFormat
)) {
632 att_incomplete("bad renderbuffer color format");
633 att
->Complete
= GL_FALSE
;
637 else if (format
== GL_DEPTH
) {
638 if (baseFormat
== GL_DEPTH_COMPONENT
) {
641 else if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
642 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
646 att_incomplete("bad renderbuffer depth format");
647 att
->Complete
= GL_FALSE
;
652 assert(format
== GL_STENCIL
);
653 if (baseFormat
== GL_STENCIL_INDEX
) {
656 else if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
657 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
661 att
->Complete
= GL_FALSE
;
662 att_incomplete("bad renderbuffer stencil format");
668 ASSERT(att
->Type
== GL_NONE
);
676 * Test if the given framebuffer object is complete and update its
677 * Status field with the results.
678 * Calls the ctx->Driver.ValidateFramebuffer() function to allow the
679 * driver to make hardware-specific validation/completeness checks.
680 * Also update the framebuffer's Width and Height fields if the
681 * framebuffer is complete.
684 _mesa_test_framebuffer_completeness(struct gl_context
*ctx
,
685 struct gl_framebuffer
*fb
)
688 GLenum intFormat
= GL_NONE
; /* color buffers' internal format */
689 GLuint minWidth
= ~0, minHeight
= ~0, maxWidth
= 0, maxHeight
= 0;
690 GLint numSamples
= -1;
694 assert(_mesa_is_user_fbo(fb
));
700 /* Start at -2 to more easily loop over all attachment points.
705 for (i
= -2; i
< (GLint
) ctx
->Const
.MaxColorAttachments
; i
++) {
706 struct gl_renderbuffer_attachment
*att
;
711 * XXX for ARB_fbo, only check color buffers that are named by
712 * GL_READ_BUFFER and GL_DRAW_BUFFERi.
715 /* check for attachment completeness
718 att
= &fb
->Attachment
[BUFFER_DEPTH
];
719 test_attachment_completeness(ctx
, GL_DEPTH
, att
);
720 if (!att
->Complete
) {
721 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
;
722 fbo_incomplete("depth attachment incomplete", -1);
727 att
= &fb
->Attachment
[BUFFER_STENCIL
];
728 test_attachment_completeness(ctx
, GL_STENCIL
, att
);
729 if (!att
->Complete
) {
730 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
;
731 fbo_incomplete("stencil attachment incomplete", -1);
736 att
= &fb
->Attachment
[BUFFER_COLOR0
+ i
];
737 test_attachment_completeness(ctx
, GL_COLOR
, att
);
738 if (!att
->Complete
) {
739 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
;
740 fbo_incomplete("color attachment incomplete", i
);
745 /* get width, height, format of the renderbuffer/texture
747 if (att
->Type
== GL_TEXTURE
) {
748 const struct gl_texture_image
*texImg
=
749 _mesa_get_attachment_teximage(att
);
750 minWidth
= MIN2(minWidth
, texImg
->Width
);
751 maxWidth
= MAX2(maxWidth
, texImg
->Width
);
752 minHeight
= MIN2(minHeight
, texImg
->Height
);
753 maxHeight
= MAX2(maxHeight
, texImg
->Height
);
754 f
= texImg
->_BaseFormat
;
755 attFormat
= texImg
->TexFormat
;
757 if (!_mesa_is_legal_color_format(ctx
, f
) &&
758 !is_legal_depth_format(ctx
, f
)) {
759 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
;
760 fbo_incomplete("texture attachment incomplete", -1);
764 else if (att
->Type
== GL_RENDERBUFFER_EXT
) {
765 minWidth
= MIN2(minWidth
, att
->Renderbuffer
->Width
);
766 maxWidth
= MAX2(minWidth
, att
->Renderbuffer
->Width
);
767 minHeight
= MIN2(minHeight
, att
->Renderbuffer
->Height
);
768 maxHeight
= MAX2(minHeight
, att
->Renderbuffer
->Height
);
769 f
= att
->Renderbuffer
->InternalFormat
;
770 attFormat
= att
->Renderbuffer
->Format
;
774 assert(att
->Type
== GL_NONE
);
778 if (att
->Renderbuffer
&& numSamples
< 0) {
780 numSamples
= att
->Renderbuffer
->NumSamples
;
783 /* check if integer color */
784 fb
->_IntegerColor
= _mesa_is_format_integer_color(attFormat
);
786 /* Error-check width, height, format, samples
788 if (numImages
== 1) {
789 /* save format, num samples */
795 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
796 /* check that width, height, format are same */
797 if (minWidth
!= maxWidth
|| minHeight
!= maxHeight
) {
798 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT
;
799 fbo_incomplete("width or height mismatch", -1);
802 /* check that all color buffers are the same format */
803 if (intFormat
!= GL_NONE
&& f
!= intFormat
) {
804 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
;
805 fbo_incomplete("format mismatch", -1);
809 if (att
->Renderbuffer
&&
810 att
->Renderbuffer
->NumSamples
!= numSamples
) {
811 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE
;
812 fbo_incomplete("inconsistant number of samples", i
);
819 if (ctx
->API
== API_OPENGL
&& !ctx
->Extensions
.ARB_ES2_compatibility
) {
820 /* Check that all DrawBuffers are present */
821 for (j
= 0; j
< ctx
->Const
.MaxDrawBuffers
; j
++) {
822 if (fb
->ColorDrawBuffer
[j
] != GL_NONE
) {
823 const struct gl_renderbuffer_attachment
*att
824 = _mesa_get_attachment(ctx
, fb
, fb
->ColorDrawBuffer
[j
]);
826 if (att
->Type
== GL_NONE
) {
827 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT
;
828 fbo_incomplete("missing drawbuffer", j
);
834 /* Check that the ReadBuffer is present */
835 if (fb
->ColorReadBuffer
!= GL_NONE
) {
836 const struct gl_renderbuffer_attachment
*att
837 = _mesa_get_attachment(ctx
, fb
, fb
->ColorReadBuffer
);
839 if (att
->Type
== GL_NONE
) {
840 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT
;
841 fbo_incomplete("missing readbuffer", -1);
850 if (numImages
== 0) {
851 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT
;
852 fbo_incomplete("no attachments", -1);
856 /* Provisionally set status = COMPLETE ... */
857 fb
->_Status
= GL_FRAMEBUFFER_COMPLETE_EXT
;
859 /* ... but the driver may say the FB is incomplete.
860 * Drivers will most likely set the status to GL_FRAMEBUFFER_UNSUPPORTED
863 if (ctx
->Driver
.ValidateFramebuffer
) {
864 ctx
->Driver
.ValidateFramebuffer(ctx
, fb
);
865 if (fb
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
866 fbo_incomplete("driver marked FBO as incomplete", -1);
870 if (fb
->_Status
== GL_FRAMEBUFFER_COMPLETE_EXT
) {
872 * Note that if ARB_framebuffer_object is supported and the attached
873 * renderbuffers/textures are different sizes, the framebuffer
874 * width/height will be set to the smallest width/height.
876 fb
->Width
= minWidth
;
877 fb
->Height
= minHeight
;
879 /* finally, update the visual info for the framebuffer */
880 _mesa_update_framebuffer_visual(ctx
, fb
);
886 _mesa_IsRenderbufferEXT(GLuint renderbuffer
)
888 GET_CURRENT_CONTEXT(ctx
);
889 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, GL_FALSE
);
891 struct gl_renderbuffer
*rb
= _mesa_lookup_renderbuffer(ctx
, renderbuffer
);
892 if (rb
!= NULL
&& rb
!= &DummyRenderbuffer
)
900 _mesa_BindRenderbufferEXT(GLenum target
, GLuint renderbuffer
)
902 struct gl_renderbuffer
*newRb
;
903 GET_CURRENT_CONTEXT(ctx
);
905 ASSERT_OUTSIDE_BEGIN_END(ctx
);
907 if (target
!= GL_RENDERBUFFER_EXT
) {
908 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindRenderbufferEXT(target)");
912 /* No need to flush here since the render buffer binding has no
913 * effect on rendering state.
917 newRb
= _mesa_lookup_renderbuffer(ctx
, renderbuffer
);
918 if (newRb
== &DummyRenderbuffer
) {
919 /* ID was reserved, but no real renderbuffer object made yet */
922 else if (!newRb
&& ctx
->Extensions
.ARB_framebuffer_object
) {
923 /* All RB IDs must be Gen'd */
924 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindRenderbuffer(buffer)");
929 /* create new renderbuffer object */
930 newRb
= ctx
->Driver
.NewRenderbuffer(ctx
, renderbuffer
);
932 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindRenderbufferEXT");
935 ASSERT(newRb
->AllocStorage
);
936 _mesa_HashInsert(ctx
->Shared
->RenderBuffers
, renderbuffer
, newRb
);
937 newRb
->RefCount
= 1; /* referenced by hash table */
944 ASSERT(newRb
!= &DummyRenderbuffer
);
946 _mesa_reference_renderbuffer(&ctx
->CurrentRenderbuffer
, newRb
);
951 * If the given renderbuffer is anywhere attached to the framebuffer, detach
953 * This is used when a renderbuffer object is deleted.
954 * The spec calls for unbinding.
957 detach_renderbuffer(struct gl_context
*ctx
,
958 struct gl_framebuffer
*fb
,
959 struct gl_renderbuffer
*rb
)
962 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
963 if (fb
->Attachment
[i
].Renderbuffer
== rb
) {
964 _mesa_remove_attachment(ctx
, &fb
->Attachment
[i
]);
967 invalidate_framebuffer(fb
);
972 _mesa_DeleteRenderbuffersEXT(GLsizei n
, const GLuint
*renderbuffers
)
975 GET_CURRENT_CONTEXT(ctx
);
977 ASSERT_OUTSIDE_BEGIN_END(ctx
);
978 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
980 for (i
= 0; i
< n
; i
++) {
981 if (renderbuffers
[i
] > 0) {
982 struct gl_renderbuffer
*rb
;
983 rb
= _mesa_lookup_renderbuffer(ctx
, renderbuffers
[i
]);
985 /* check if deleting currently bound renderbuffer object */
986 if (rb
== ctx
->CurrentRenderbuffer
) {
988 ASSERT(rb
->RefCount
>= 2);
989 _mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT
, 0);
992 if (_mesa_is_user_fbo(ctx
->DrawBuffer
)) {
993 detach_renderbuffer(ctx
, ctx
->DrawBuffer
, rb
);
995 if (_mesa_is_user_fbo(ctx
->ReadBuffer
)
996 && ctx
->ReadBuffer
!= ctx
->DrawBuffer
) {
997 detach_renderbuffer(ctx
, ctx
->ReadBuffer
, rb
);
1000 /* Remove from hash table immediately, to free the ID.
1001 * But the object will not be freed until it's no longer
1002 * referenced anywhere else.
1004 _mesa_HashRemove(ctx
->Shared
->RenderBuffers
, renderbuffers
[i
]);
1006 if (rb
!= &DummyRenderbuffer
) {
1007 /* no longer referenced by hash table */
1008 _mesa_reference_renderbuffer(&rb
, NULL
);
1017 _mesa_GenRenderbuffersEXT(GLsizei n
, GLuint
*renderbuffers
)
1019 GET_CURRENT_CONTEXT(ctx
);
1023 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1026 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenRenderbuffersEXT(n)");
1033 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->RenderBuffers
, n
);
1035 for (i
= 0; i
< n
; i
++) {
1036 GLuint name
= first
+ i
;
1037 renderbuffers
[i
] = name
;
1038 /* insert dummy placeholder into hash table */
1039 _glthread_LOCK_MUTEX(ctx
->Shared
->Mutex
);
1040 _mesa_HashInsert(ctx
->Shared
->RenderBuffers
, name
, &DummyRenderbuffer
);
1041 _glthread_UNLOCK_MUTEX(ctx
->Shared
->Mutex
);
1047 * Given an internal format token for a render buffer, return the
1048 * corresponding base format (one of GL_RGB, GL_RGBA, GL_STENCIL_INDEX,
1049 * GL_DEPTH_COMPONENT, GL_DEPTH_STENCIL_EXT, GL_ALPHA, GL_LUMINANCE,
1050 * GL_LUMINANCE_ALPHA, GL_INTENSITY, etc).
1052 * This is similar to _mesa_base_tex_format() but the set of valid
1053 * internal formats is different.
1055 * Note that even if a format is determined to be legal here, validation
1056 * of the FBO may fail if the format is not supported by the driver/GPU.
1058 * \param internalFormat as passed to glRenderbufferStorage()
1059 * \return the base internal format, or 0 if internalFormat is illegal
1062 _mesa_base_fbo_format(struct gl_context
*ctx
, GLenum internalFormat
)
1065 * Notes: some formats such as alpha, luminance, etc. were added
1066 * with GL_ARB_framebuffer_object.
1068 switch (internalFormat
) {
1074 return ctx
->Extensions
.ARB_framebuffer_object
? GL_ALPHA
: 0;
1078 case GL_LUMINANCE12
:
1079 case GL_LUMINANCE16
:
1080 return ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1081 case GL_LUMINANCE_ALPHA
:
1082 case GL_LUMINANCE4_ALPHA4
:
1083 case GL_LUMINANCE6_ALPHA2
:
1084 case GL_LUMINANCE8_ALPHA8
:
1085 case GL_LUMINANCE12_ALPHA4
:
1086 case GL_LUMINANCE12_ALPHA12
:
1087 case GL_LUMINANCE16_ALPHA16
:
1088 return ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1092 case GL_INTENSITY12
:
1093 case GL_INTENSITY16
:
1094 return ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1113 case GL_SRGB8_ALPHA8_EXT
:
1115 case GL_STENCIL_INDEX
:
1116 case GL_STENCIL_INDEX1_EXT
:
1117 case GL_STENCIL_INDEX4_EXT
:
1118 case GL_STENCIL_INDEX8_EXT
:
1119 case GL_STENCIL_INDEX16_EXT
:
1120 return GL_STENCIL_INDEX
;
1121 case GL_DEPTH_COMPONENT
:
1122 case GL_DEPTH_COMPONENT16
:
1123 case GL_DEPTH_COMPONENT24
:
1124 case GL_DEPTH_COMPONENT32
:
1125 return GL_DEPTH_COMPONENT
;
1126 case GL_DEPTH_STENCIL_EXT
:
1127 case GL_DEPTH24_STENCIL8_EXT
:
1128 if (ctx
->Extensions
.EXT_packed_depth_stencil
)
1129 return GL_DEPTH_STENCIL_EXT
;
1132 case GL_DEPTH_COMPONENT32F
:
1133 if (ctx
->Extensions
.ARB_depth_buffer_float
)
1134 return GL_DEPTH_COMPONENT
;
1137 case GL_DEPTH32F_STENCIL8
:
1138 if (ctx
->Extensions
.ARB_depth_buffer_float
)
1139 return GL_DEPTH_STENCIL
;
1145 return ctx
->Extensions
.ARB_texture_rg
? GL_RED
: 0;
1149 return ctx
->Extensions
.ARB_texture_rg
? GL_RG
: 0;
1150 /* signed normalized texture formats */
1154 return ctx
->Extensions
.EXT_texture_snorm
? GL_RED
: 0;
1158 return ctx
->Extensions
.EXT_texture_snorm
? GL_RG
: 0;
1161 case GL_RGB16_SNORM
:
1162 return ctx
->Extensions
.EXT_texture_snorm
? GL_RGB
: 0;
1164 case GL_RGBA8_SNORM
:
1165 case GL_RGBA16_SNORM
:
1166 return ctx
->Extensions
.EXT_texture_snorm
? GL_RGBA
: 0;
1167 case GL_ALPHA_SNORM
:
1168 case GL_ALPHA8_SNORM
:
1169 case GL_ALPHA16_SNORM
:
1170 return ctx
->Extensions
.EXT_texture_snorm
&&
1171 ctx
->Extensions
.ARB_framebuffer_object
? GL_ALPHA
: 0;
1172 case GL_LUMINANCE_SNORM
:
1173 case GL_LUMINANCE8_SNORM
:
1174 case GL_LUMINANCE16_SNORM
:
1175 return ctx
->Extensions
.EXT_texture_snorm
&&
1176 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1177 case GL_LUMINANCE_ALPHA_SNORM
:
1178 case GL_LUMINANCE8_ALPHA8_SNORM
:
1179 case GL_LUMINANCE16_ALPHA16_SNORM
:
1180 return ctx
->Extensions
.EXT_texture_snorm
&&
1181 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1182 case GL_INTENSITY_SNORM
:
1183 case GL_INTENSITY8_SNORM
:
1184 case GL_INTENSITY16_SNORM
:
1185 return ctx
->Extensions
.EXT_texture_snorm
&&
1186 ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1189 return ctx
->Extensions
.ARB_texture_rg
&&
1190 ctx
->Extensions
.ARB_texture_float
? GL_RED
: 0;
1193 return ctx
->Extensions
.ARB_texture_rg
&&
1194 ctx
->Extensions
.ARB_texture_float
? GL_RG
: 0;
1197 return ctx
->Extensions
.ARB_texture_float
? GL_RGB
: 0;
1200 return ctx
->Extensions
.ARB_texture_float
? GL_RGBA
: 0;
1201 case GL_ALPHA16F_ARB
:
1202 case GL_ALPHA32F_ARB
:
1203 return ctx
->Extensions
.ARB_texture_float
&&
1204 ctx
->Extensions
.ARB_framebuffer_object
? GL_ALPHA
: 0;
1205 case GL_LUMINANCE16F_ARB
:
1206 case GL_LUMINANCE32F_ARB
:
1207 return ctx
->Extensions
.ARB_texture_float
&&
1208 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1209 case GL_LUMINANCE_ALPHA16F_ARB
:
1210 case GL_LUMINANCE_ALPHA32F_ARB
:
1211 return ctx
->Extensions
.ARB_texture_float
&&
1212 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1213 case GL_INTENSITY16F_ARB
:
1214 case GL_INTENSITY32F_ARB
:
1215 return ctx
->Extensions
.ARB_texture_float
&&
1216 ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1218 return ctx
->Extensions
.EXT_texture_shared_exponent
? GL_RGB
: 0;
1219 case GL_R11F_G11F_B10F
:
1220 return ctx
->Extensions
.EXT_packed_float
? GL_RGB
: 0;
1222 case GL_RGBA8UI_EXT
:
1223 case GL_RGBA16UI_EXT
:
1224 case GL_RGBA32UI_EXT
:
1226 case GL_RGBA16I_EXT
:
1227 case GL_RGBA32I_EXT
:
1228 return ctx
->Extensions
.EXT_texture_integer
? GL_RGBA
: 0;
1231 case GL_RGB16UI_EXT
:
1232 case GL_RGB32UI_EXT
:
1236 return ctx
->Extensions
.EXT_texture_integer
? GL_RGB
: 0;
1244 return ctx
->Extensions
.ARB_texture_rg
&&
1245 ctx
->Extensions
.EXT_texture_integer
? GL_RED
: 0;
1253 return ctx
->Extensions
.ARB_texture_rg
&&
1254 ctx
->Extensions
.EXT_texture_integer
? GL_RG
: 0;
1256 case GL_INTENSITY8I_EXT
:
1257 case GL_INTENSITY8UI_EXT
:
1258 case GL_INTENSITY16I_EXT
:
1259 case GL_INTENSITY16UI_EXT
:
1260 case GL_INTENSITY32I_EXT
:
1261 case GL_INTENSITY32UI_EXT
:
1262 return ctx
->Extensions
.EXT_texture_integer
&&
1263 ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1265 case GL_LUMINANCE8I_EXT
:
1266 case GL_LUMINANCE8UI_EXT
:
1267 case GL_LUMINANCE16I_EXT
:
1268 case GL_LUMINANCE16UI_EXT
:
1269 case GL_LUMINANCE32I_EXT
:
1270 case GL_LUMINANCE32UI_EXT
:
1271 return ctx
->Extensions
.EXT_texture_integer
&&
1272 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1274 case GL_LUMINANCE_ALPHA8I_EXT
:
1275 case GL_LUMINANCE_ALPHA8UI_EXT
:
1276 case GL_LUMINANCE_ALPHA16I_EXT
:
1277 case GL_LUMINANCE_ALPHA16UI_EXT
:
1278 case GL_LUMINANCE_ALPHA32I_EXT
:
1279 case GL_LUMINANCE_ALPHA32UI_EXT
:
1280 return ctx
->Extensions
.EXT_texture_integer
&&
1281 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1284 return ctx
->Extensions
.ARB_texture_rgb10_a2ui
? GL_RGBA
: 0;
1292 * Invalidate a renderbuffer attachment. Called from _mesa_HashWalk().
1295 invalidate_rb(GLuint key
, void *data
, void *userData
)
1297 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
1298 struct gl_renderbuffer
*rb
= (struct gl_renderbuffer
*) userData
;
1300 /* If this is a user-created FBO */
1301 if (_mesa_is_user_fbo(fb
)) {
1303 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
1304 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
1305 if (att
->Type
== GL_RENDERBUFFER
&&
1306 att
->Renderbuffer
== rb
) {
1307 /* Mark fb status as indeterminate to force re-validation */
1316 /** sentinal value, see below */
1317 #define NO_SAMPLES 1000
1321 * Helper function used by _mesa_RenderbufferStorageEXT() and
1322 * _mesa_RenderbufferStorageMultisample().
1323 * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorageEXT().
1326 renderbuffer_storage(GLenum target
, GLenum internalFormat
,
1327 GLsizei width
, GLsizei height
, GLsizei samples
)
1329 const char *func
= samples
== NO_SAMPLES
?
1330 "glRenderbufferStorage" : "RenderbufferStorageMultisample";
1331 struct gl_renderbuffer
*rb
;
1333 GET_CURRENT_CONTEXT(ctx
);
1335 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1337 if (target
!= GL_RENDERBUFFER_EXT
) {
1338 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target)", func
);
1342 baseFormat
= _mesa_base_fbo_format(ctx
, internalFormat
);
1343 if (baseFormat
== 0) {
1344 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalFormat)", func
);
1348 if (width
< 0 || width
> (GLsizei
) ctx
->Const
.MaxRenderbufferSize
) {
1349 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(width)", func
);
1353 if (height
< 0 || height
> (GLsizei
) ctx
->Const
.MaxRenderbufferSize
) {
1354 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(height)", func
);
1358 if (samples
== NO_SAMPLES
) {
1359 /* NumSamples == 0 indicates non-multisampling */
1362 else if (samples
> (GLsizei
) ctx
->Const
.MaxSamples
) {
1363 /* note: driver may choose to use more samples than what's requested */
1364 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(samples)", func
);
1368 rb
= ctx
->CurrentRenderbuffer
;
1370 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s", func
);
1374 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1376 if (rb
->InternalFormat
== internalFormat
&&
1377 rb
->Width
== (GLuint
) width
&&
1378 rb
->Height
== (GLuint
) height
&&
1379 rb
->NumSamples
== samples
) {
1380 /* no change in allocation needed */
1384 /* These MUST get set by the AllocStorage func */
1385 rb
->Format
= MESA_FORMAT_NONE
;
1386 rb
->NumSamples
= samples
;
1388 /* Now allocate the storage */
1389 ASSERT(rb
->AllocStorage
);
1390 if (rb
->AllocStorage(ctx
, rb
, internalFormat
, width
, height
)) {
1391 /* No error - check/set fields now */
1392 assert(rb
->Format
!= MESA_FORMAT_NONE
);
1393 assert(rb
->Width
== (GLuint
) width
);
1394 assert(rb
->Height
== (GLuint
) height
);
1395 rb
->InternalFormat
= internalFormat
;
1396 rb
->_BaseFormat
= baseFormat
;
1397 assert(rb
->_BaseFormat
!= 0);
1400 /* Probably ran out of memory - clear the fields */
1403 rb
->Format
= MESA_FORMAT_NONE
;
1404 rb
->InternalFormat
= GL_NONE
;
1405 rb
->_BaseFormat
= GL_NONE
;
1409 /* Invalidate the framebuffers the renderbuffer is attached in. */
1410 if (rb
->AttachedAnytime
) {
1411 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, invalidate_rb
, rb
);
1416 #if FEATURE_OES_EGL_image
1418 _mesa_EGLImageTargetRenderbufferStorageOES(GLenum target
, GLeglImageOES image
)
1420 struct gl_renderbuffer
*rb
;
1421 GET_CURRENT_CONTEXT(ctx
);
1422 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1424 if (!ctx
->Extensions
.OES_EGL_image
) {
1425 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1426 "glEGLImageTargetRenderbufferStorageOES(unsupported)");
1430 if (target
!= GL_RENDERBUFFER
) {
1431 _mesa_error(ctx
, GL_INVALID_ENUM
,
1432 "EGLImageTargetRenderbufferStorageOES");
1436 rb
= ctx
->CurrentRenderbuffer
;
1438 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1439 "EGLImageTargetRenderbufferStorageOES");
1443 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1445 ctx
->Driver
.EGLImageTargetRenderbufferStorage(ctx
, rb
, image
);
1451 * Helper function for _mesa_GetRenderbufferParameterivEXT() and
1452 * _mesa_GetFramebufferAttachmentParameterivEXT()
1453 * We have to be careful to respect the base format. For example, if a
1454 * renderbuffer/texture was created with internalFormat=GL_RGB but the
1455 * driver actually chose a GL_RGBA format, when the user queries ALPHA_SIZE
1456 * we need to return zero.
1459 get_component_bits(GLenum pname
, GLenum baseFormat
, gl_format format
)
1461 if (_mesa_base_format_has_channel(baseFormat
, pname
))
1462 return _mesa_get_format_bits(format
, pname
);
1470 _mesa_RenderbufferStorageEXT(GLenum target
, GLenum internalFormat
,
1471 GLsizei width
, GLsizei height
)
1473 /* GL_ARB_fbo says calling this function is equivalent to calling
1474 * glRenderbufferStorageMultisample() with samples=0. We pass in
1475 * a token value here just for error reporting purposes.
1477 renderbuffer_storage(target
, internalFormat
, width
, height
, NO_SAMPLES
);
1482 _mesa_RenderbufferStorageMultisample(GLenum target
, GLsizei samples
,
1483 GLenum internalFormat
,
1484 GLsizei width
, GLsizei height
)
1486 renderbuffer_storage(target
, internalFormat
, width
, height
, samples
);
1491 * OpenGL ES version of glRenderBufferStorage.
1494 _es_RenderbufferStorageEXT(GLenum target
, GLenum internalFormat
,
1495 GLsizei width
, GLsizei height
)
1497 switch (internalFormat
) {
1499 /* XXX this confuses GL_RENDERBUFFER_INTERNAL_FORMAT_OES */
1500 /* choose a closest format */
1501 internalFormat
= GL_RGB5
;
1507 renderbuffer_storage(target
, internalFormat
, width
, height
, 0);
1512 _mesa_GetRenderbufferParameterivEXT(GLenum target
, GLenum pname
, GLint
*params
)
1514 struct gl_renderbuffer
*rb
;
1515 GET_CURRENT_CONTEXT(ctx
);
1517 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1519 if (target
!= GL_RENDERBUFFER_EXT
) {
1520 _mesa_error(ctx
, GL_INVALID_ENUM
,
1521 "glGetRenderbufferParameterivEXT(target)");
1525 rb
= ctx
->CurrentRenderbuffer
;
1527 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1528 "glGetRenderbufferParameterivEXT");
1532 /* No need to flush here since we're just quering state which is
1533 * not effected by rendering.
1537 case GL_RENDERBUFFER_WIDTH_EXT
:
1538 *params
= rb
->Width
;
1540 case GL_RENDERBUFFER_HEIGHT_EXT
:
1541 *params
= rb
->Height
;
1543 case GL_RENDERBUFFER_INTERNAL_FORMAT_EXT
:
1544 *params
= rb
->InternalFormat
;
1546 case GL_RENDERBUFFER_RED_SIZE_EXT
:
1547 case GL_RENDERBUFFER_GREEN_SIZE_EXT
:
1548 case GL_RENDERBUFFER_BLUE_SIZE_EXT
:
1549 case GL_RENDERBUFFER_ALPHA_SIZE_EXT
:
1550 case GL_RENDERBUFFER_DEPTH_SIZE_EXT
:
1551 case GL_RENDERBUFFER_STENCIL_SIZE_EXT
:
1552 *params
= get_component_bits(pname
, rb
->_BaseFormat
, rb
->Format
);
1554 case GL_RENDERBUFFER_SAMPLES
:
1555 if (ctx
->Extensions
.ARB_framebuffer_object
) {
1556 *params
= rb
->NumSamples
;
1561 _mesa_error(ctx
, GL_INVALID_ENUM
,
1562 "glGetRenderbufferParameterivEXT(target)");
1568 GLboolean GLAPIENTRY
1569 _mesa_IsFramebufferEXT(GLuint framebuffer
)
1571 GET_CURRENT_CONTEXT(ctx
);
1572 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, GL_FALSE
);
1574 struct gl_framebuffer
*rb
= _mesa_lookup_framebuffer(ctx
, framebuffer
);
1575 if (rb
!= NULL
&& rb
!= &DummyFramebuffer
)
1583 * Check if any of the attachments of the given framebuffer are textures
1584 * (render to texture). Call ctx->Driver.RenderTexture() for such
1588 check_begin_texture_render(struct gl_context
*ctx
, struct gl_framebuffer
*fb
)
1591 ASSERT(ctx
->Driver
.RenderTexture
);
1593 if (_mesa_is_winsys_fbo(fb
))
1594 return; /* can't render to texture with winsys framebuffers */
1596 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
1597 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
1598 if (att
->Texture
&& _mesa_get_attachment_teximage(att
)) {
1599 ctx
->Driver
.RenderTexture(ctx
, fb
, att
);
1606 * Examine all the framebuffer's attachments to see if any are textures.
1607 * If so, call ctx->Driver.FinishRenderTexture() for each texture to
1608 * notify the device driver that the texture image may have changed.
1611 check_end_texture_render(struct gl_context
*ctx
, struct gl_framebuffer
*fb
)
1613 if (_mesa_is_winsys_fbo(fb
))
1614 return; /* can't render to texture with winsys framebuffers */
1616 if (ctx
->Driver
.FinishRenderTexture
) {
1618 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
1619 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
1620 if (att
->Texture
&& att
->Renderbuffer
) {
1621 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
1629 _mesa_BindFramebufferEXT(GLenum target
, GLuint framebuffer
)
1631 struct gl_framebuffer
*newDrawFb
, *newReadFb
;
1632 struct gl_framebuffer
*oldDrawFb
, *oldReadFb
;
1633 GLboolean bindReadBuf
, bindDrawBuf
;
1634 GET_CURRENT_CONTEXT(ctx
);
1637 if (ctx
->Extensions
.ARB_framebuffer_object
) {
1638 ASSERT(ctx
->Extensions
.EXT_framebuffer_object
);
1639 ASSERT(ctx
->Extensions
.EXT_framebuffer_blit
);
1643 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1645 if (!ctx
->Extensions
.EXT_framebuffer_object
) {
1646 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1647 "glBindFramebufferEXT(unsupported)");
1652 #if FEATURE_EXT_framebuffer_blit
1653 case GL_DRAW_FRAMEBUFFER_EXT
:
1654 if (!ctx
->Extensions
.EXT_framebuffer_blit
) {
1655 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindFramebufferEXT(target)");
1658 bindDrawBuf
= GL_TRUE
;
1659 bindReadBuf
= GL_FALSE
;
1661 case GL_READ_FRAMEBUFFER_EXT
:
1662 if (!ctx
->Extensions
.EXT_framebuffer_blit
) {
1663 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindFramebufferEXT(target)");
1666 bindDrawBuf
= GL_FALSE
;
1667 bindReadBuf
= GL_TRUE
;
1670 case GL_FRAMEBUFFER_EXT
:
1671 bindDrawBuf
= GL_TRUE
;
1672 bindReadBuf
= GL_TRUE
;
1675 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindFramebufferEXT(target)");
1680 /* Binding a user-created framebuffer object */
1681 newDrawFb
= _mesa_lookup_framebuffer(ctx
, framebuffer
);
1682 if (newDrawFb
== &DummyFramebuffer
) {
1683 /* ID was reserved, but no real framebuffer object made yet */
1686 else if (!newDrawFb
&& ctx
->Extensions
.ARB_framebuffer_object
) {
1687 /* All FBO IDs must be Gen'd */
1688 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindFramebuffer(buffer)");
1693 /* create new framebuffer object */
1694 newDrawFb
= ctx
->Driver
.NewFramebuffer(ctx
, framebuffer
);
1696 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindFramebufferEXT");
1699 _mesa_HashInsert(ctx
->Shared
->FrameBuffers
, framebuffer
, newDrawFb
);
1701 newReadFb
= newDrawFb
;
1704 /* Binding the window system framebuffer (which was originally set
1705 * with MakeCurrent).
1707 newDrawFb
= ctx
->WinSysDrawBuffer
;
1708 newReadFb
= ctx
->WinSysReadBuffer
;
1712 ASSERT(newDrawFb
!= &DummyFramebuffer
);
1714 /* save pointers to current/old framebuffers */
1715 oldDrawFb
= ctx
->DrawBuffer
;
1716 oldReadFb
= ctx
->ReadBuffer
;
1718 /* check if really changing bindings */
1719 if (oldDrawFb
== newDrawFb
)
1720 bindDrawBuf
= GL_FALSE
;
1721 if (oldReadFb
== newReadFb
)
1722 bindReadBuf
= GL_FALSE
;
1725 * OK, now bind the new Draw/Read framebuffers, if they're changing.
1727 * We also check if we're beginning and/or ending render-to-texture.
1728 * When a framebuffer with texture attachments is unbound, call
1729 * ctx->Driver.FinishRenderTexture().
1730 * When a framebuffer with texture attachments is bound, call
1731 * ctx->Driver.RenderTexture().
1733 * Note that if the ReadBuffer has texture attachments we don't consider
1734 * that a render-to-texture case.
1737 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1739 /* check if old readbuffer was render-to-texture */
1740 check_end_texture_render(ctx
, oldReadFb
);
1742 _mesa_reference_framebuffer(&ctx
->ReadBuffer
, newReadFb
);
1746 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1748 /* check if old read/draw buffers were render-to-texture */
1750 check_end_texture_render(ctx
, oldReadFb
);
1752 if (oldDrawFb
!= oldReadFb
)
1753 check_end_texture_render(ctx
, oldDrawFb
);
1755 /* check if newly bound framebuffer has any texture attachments */
1756 check_begin_texture_render(ctx
, newDrawFb
);
1758 _mesa_reference_framebuffer(&ctx
->DrawBuffer
, newDrawFb
);
1761 if ((bindDrawBuf
|| bindReadBuf
) && ctx
->Driver
.BindFramebuffer
) {
1762 ctx
->Driver
.BindFramebuffer(ctx
, target
, newDrawFb
, newReadFb
);
1768 _mesa_DeleteFramebuffersEXT(GLsizei n
, const GLuint
*framebuffers
)
1771 GET_CURRENT_CONTEXT(ctx
);
1773 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1774 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1776 for (i
= 0; i
< n
; i
++) {
1777 if (framebuffers
[i
] > 0) {
1778 struct gl_framebuffer
*fb
;
1779 fb
= _mesa_lookup_framebuffer(ctx
, framebuffers
[i
]);
1781 ASSERT(fb
== &DummyFramebuffer
|| fb
->Name
== framebuffers
[i
]);
1783 /* check if deleting currently bound framebuffer object */
1784 if (ctx
->Extensions
.EXT_framebuffer_blit
) {
1785 /* separate draw/read binding points */
1786 if (fb
== ctx
->DrawBuffer
) {
1788 ASSERT(fb
->RefCount
>= 2);
1789 _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT
, 0);
1791 if (fb
== ctx
->ReadBuffer
) {
1793 ASSERT(fb
->RefCount
>= 2);
1794 _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT
, 0);
1798 /* only one binding point for read/draw buffers */
1799 if (fb
== ctx
->DrawBuffer
|| fb
== ctx
->ReadBuffer
) {
1801 ASSERT(fb
->RefCount
>= 2);
1802 _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT
, 0);
1806 /* remove from hash table immediately, to free the ID */
1807 _mesa_HashRemove(ctx
->Shared
->FrameBuffers
, framebuffers
[i
]);
1809 if (fb
!= &DummyFramebuffer
) {
1810 /* But the object will not be freed until it's no longer
1811 * bound in any context.
1813 _mesa_reference_framebuffer(&fb
, NULL
);
1822 _mesa_GenFramebuffersEXT(GLsizei n
, GLuint
*framebuffers
)
1824 GET_CURRENT_CONTEXT(ctx
);
1828 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1831 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenFramebuffersEXT(n)");
1838 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->FrameBuffers
, n
);
1840 for (i
= 0; i
< n
; i
++) {
1841 GLuint name
= first
+ i
;
1842 framebuffers
[i
] = name
;
1843 /* insert dummy placeholder into hash table */
1844 _glthread_LOCK_MUTEX(ctx
->Shared
->Mutex
);
1845 _mesa_HashInsert(ctx
->Shared
->FrameBuffers
, name
, &DummyFramebuffer
);
1846 _glthread_UNLOCK_MUTEX(ctx
->Shared
->Mutex
);
1853 _mesa_CheckFramebufferStatusEXT(GLenum target
)
1855 struct gl_framebuffer
*buffer
;
1856 GET_CURRENT_CONTEXT(ctx
);
1858 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1860 buffer
= get_framebuffer_target(ctx
, target
);
1862 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCheckFramebufferStatus(target)");
1866 if (_mesa_is_winsys_fbo(buffer
)) {
1867 /* The window system / default framebuffer is always complete */
1868 return GL_FRAMEBUFFER_COMPLETE_EXT
;
1871 /* No need to flush here */
1873 if (buffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE
) {
1874 _mesa_test_framebuffer_completeness(ctx
, buffer
);
1877 return buffer
->_Status
;
1882 * Replicate the src attachment point. Used by framebuffer_texture() when
1883 * the same texture is attached at GL_DEPTH_ATTACHMENT and
1884 * GL_STENCIL_ATTACHMENT.
1887 reuse_framebuffer_texture_attachment(struct gl_framebuffer
*fb
,
1888 gl_buffer_index dst
,
1889 gl_buffer_index src
)
1891 struct gl_renderbuffer_attachment
*dst_att
= &fb
->Attachment
[dst
];
1892 struct gl_renderbuffer_attachment
*src_att
= &fb
->Attachment
[src
];
1894 assert(src_att
->Texture
!= NULL
);
1895 assert(src_att
->Renderbuffer
!= NULL
);
1897 _mesa_reference_texobj(&dst_att
->Texture
, src_att
->Texture
);
1898 _mesa_reference_renderbuffer(&dst_att
->Renderbuffer
, src_att
->Renderbuffer
);
1899 dst_att
->Type
= src_att
->Type
;
1900 dst_att
->Complete
= src_att
->Complete
;
1901 dst_att
->TextureLevel
= src_att
->TextureLevel
;
1902 dst_att
->Zoffset
= src_att
->Zoffset
;
1907 * Common code called by glFramebufferTexture1D/2D/3DEXT().
1910 framebuffer_texture(struct gl_context
*ctx
, const char *caller
, GLenum target
,
1911 GLenum attachment
, GLenum textarget
, GLuint texture
,
1912 GLint level
, GLint zoffset
)
1914 struct gl_renderbuffer_attachment
*att
;
1915 struct gl_texture_object
*texObj
= NULL
;
1916 struct gl_framebuffer
*fb
;
1918 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1920 fb
= get_framebuffer_target(ctx
, target
);
1922 _mesa_error(ctx
, GL_INVALID_ENUM
,
1923 "glFramebufferTexture%sEXT(target=0x%x)", caller
, target
);
1927 /* check framebuffer binding */
1928 if (_mesa_is_winsys_fbo(fb
)) {
1929 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1930 "glFramebufferTexture%sEXT", caller
);
1934 /* The textarget, level, and zoffset parameters are only validated if
1935 * texture is non-zero.
1938 GLboolean err
= GL_TRUE
;
1940 texObj
= _mesa_lookup_texture(ctx
, texture
);
1941 if (texObj
!= NULL
) {
1942 if (textarget
== 0) {
1943 /* XXX what's the purpose of this? */
1944 err
= (texObj
->Target
!= GL_TEXTURE_3D
) &&
1945 (texObj
->Target
!= GL_TEXTURE_1D_ARRAY_EXT
) &&
1946 (texObj
->Target
!= GL_TEXTURE_2D_ARRAY_EXT
);
1949 err
= (texObj
->Target
== GL_TEXTURE_CUBE_MAP
)
1950 ? !_mesa_is_cube_face(textarget
)
1951 : (texObj
->Target
!= textarget
);
1955 /* can't render to a non-existant texture */
1956 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1957 "glFramebufferTexture%sEXT(non existant texture)",
1963 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1964 "glFramebufferTexture%sEXT(texture target mismatch)",
1969 if (texObj
->Target
== GL_TEXTURE_3D
) {
1970 const GLint maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
1971 if (zoffset
< 0 || zoffset
>= maxSize
) {
1972 _mesa_error(ctx
, GL_INVALID_VALUE
,
1973 "glFramebufferTexture%sEXT(zoffset)", caller
);
1977 else if ((texObj
->Target
== GL_TEXTURE_1D_ARRAY_EXT
) ||
1978 (texObj
->Target
== GL_TEXTURE_2D_ARRAY_EXT
)) {
1979 if (zoffset
< 0 || zoffset
>= ctx
->Const
.MaxArrayTextureLayers
) {
1980 _mesa_error(ctx
, GL_INVALID_VALUE
,
1981 "glFramebufferTexture%sEXT(layer)", caller
);
1987 (level
>= _mesa_max_texture_levels(ctx
, texObj
->Target
))) {
1988 _mesa_error(ctx
, GL_INVALID_VALUE
,
1989 "glFramebufferTexture%sEXT(level)", caller
);
1994 att
= _mesa_get_attachment(ctx
, fb
, attachment
);
1996 _mesa_error(ctx
, GL_INVALID_ENUM
,
1997 "glFramebufferTexture%sEXT(attachment)", caller
);
2001 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2003 _glthread_LOCK_MUTEX(fb
->Mutex
);
2005 if (attachment
== GL_DEPTH_ATTACHMENT
&&
2006 texObj
== fb
->Attachment
[BUFFER_STENCIL
].Texture
) {
2007 /* The texture object is already attached to the stencil attachment
2008 * point. Don't create a new renderbuffer; just reuse the stencil
2009 * attachment's. This is required to prevent a GL error in
2010 * glGetFramebufferAttachmentParameteriv(GL_DEPTH_STENCIL).
2012 reuse_framebuffer_texture_attachment(fb
, BUFFER_DEPTH
,
2014 } else if (attachment
== GL_STENCIL_ATTACHMENT
&&
2015 texObj
== fb
->Attachment
[BUFFER_DEPTH
].Texture
) {
2016 /* As above, but with depth and stencil juxtasposed. */
2017 reuse_framebuffer_texture_attachment(fb
, BUFFER_STENCIL
,
2020 _mesa_set_texture_attachment(ctx
, fb
, att
, texObj
, textarget
,
2022 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
2023 /* Above we created a new renderbuffer and attached it to the
2024 * depth attachment point. Now attach it to the stencil attachment
2027 assert(att
== &fb
->Attachment
[BUFFER_DEPTH
]);
2028 reuse_framebuffer_texture_attachment(fb
,BUFFER_STENCIL
,
2033 /* Set the render-to-texture flag. We'll check this flag in
2034 * glTexImage() and friends to determine if we need to revalidate
2035 * any FBOs that might be rendering into this texture.
2036 * This flag never gets cleared since it's non-trivial to determine
2037 * when all FBOs might be done rendering to this texture. That's OK
2038 * though since it's uncommon to render to a texture then repeatedly
2039 * call glTexImage() to change images in the texture.
2041 texObj
->_RenderToTexture
= GL_TRUE
;
2044 _mesa_remove_attachment(ctx
, att
);
2045 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
2046 assert(att
== &fb
->Attachment
[BUFFER_DEPTH
]);
2047 _mesa_remove_attachment(ctx
, &fb
->Attachment
[BUFFER_STENCIL
]);
2051 invalidate_framebuffer(fb
);
2053 _glthread_UNLOCK_MUTEX(fb
->Mutex
);
2059 _mesa_FramebufferTexture1DEXT(GLenum target
, GLenum attachment
,
2060 GLenum textarget
, GLuint texture
, GLint level
)
2062 GET_CURRENT_CONTEXT(ctx
);
2067 switch (textarget
) {
2071 case GL_TEXTURE_1D_ARRAY
:
2072 error
= !ctx
->Extensions
.EXT_texture_array
;
2079 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2080 "glFramebufferTexture1DEXT(textarget=%s)",
2081 _mesa_lookup_enum_by_nr(textarget
));
2086 framebuffer_texture(ctx
, "1D", target
, attachment
, textarget
, texture
,
2092 _mesa_FramebufferTexture2DEXT(GLenum target
, GLenum attachment
,
2093 GLenum textarget
, GLuint texture
, GLint level
)
2095 GET_CURRENT_CONTEXT(ctx
);
2100 switch (textarget
) {
2104 case GL_TEXTURE_RECTANGLE
:
2105 error
= !ctx
->Extensions
.NV_texture_rectangle
;
2107 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
2108 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
2109 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
2110 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
2111 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
2112 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
2113 error
= !ctx
->Extensions
.ARB_texture_cube_map
;
2115 case GL_TEXTURE_2D_ARRAY
:
2116 error
= !ctx
->Extensions
.EXT_texture_array
;
2123 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2124 "glFramebufferTexture2DEXT(textarget=%s)",
2125 _mesa_lookup_enum_by_nr(textarget
));
2130 framebuffer_texture(ctx
, "2D", target
, attachment
, textarget
, texture
,
2136 _mesa_FramebufferTexture3DEXT(GLenum target
, GLenum attachment
,
2137 GLenum textarget
, GLuint texture
,
2138 GLint level
, GLint zoffset
)
2140 GET_CURRENT_CONTEXT(ctx
);
2142 if ((texture
!= 0) && (textarget
!= GL_TEXTURE_3D
)) {
2143 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2144 "glFramebufferTexture3DEXT(textarget)");
2148 framebuffer_texture(ctx
, "3D", target
, attachment
, textarget
, texture
,
2154 _mesa_FramebufferTextureLayerEXT(GLenum target
, GLenum attachment
,
2155 GLuint texture
, GLint level
, GLint layer
)
2157 GET_CURRENT_CONTEXT(ctx
);
2159 framebuffer_texture(ctx
, "Layer", target
, attachment
, 0, texture
,
2165 _mesa_FramebufferRenderbufferEXT(GLenum target
, GLenum attachment
,
2166 GLenum renderbufferTarget
,
2167 GLuint renderbuffer
)
2169 struct gl_renderbuffer_attachment
*att
;
2170 struct gl_framebuffer
*fb
;
2171 struct gl_renderbuffer
*rb
;
2172 GET_CURRENT_CONTEXT(ctx
);
2174 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2176 fb
= get_framebuffer_target(ctx
, target
);
2178 _mesa_error(ctx
, GL_INVALID_ENUM
, "glFramebufferRenderbufferEXT(target)");
2182 if (renderbufferTarget
!= GL_RENDERBUFFER_EXT
) {
2183 _mesa_error(ctx
, GL_INVALID_ENUM
,
2184 "glFramebufferRenderbufferEXT(renderbufferTarget)");
2188 if (_mesa_is_winsys_fbo(fb
)) {
2189 /* Can't attach new renderbuffers to a window system framebuffer */
2190 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glFramebufferRenderbufferEXT");
2194 att
= _mesa_get_attachment(ctx
, fb
, attachment
);
2196 _mesa_error(ctx
, GL_INVALID_ENUM
,
2197 "glFramebufferRenderbufferEXT(invalid attachment %s)",
2198 _mesa_lookup_enum_by_nr(attachment
));
2203 rb
= _mesa_lookup_renderbuffer(ctx
, renderbuffer
);
2205 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2206 "glFramebufferRenderbufferEXT(non-existant"
2207 " renderbuffer %u)", renderbuffer
);
2210 else if (rb
== &DummyRenderbuffer
) {
2211 /* This is what NVIDIA does */
2212 _mesa_error(ctx
, GL_INVALID_VALUE
,
2213 "glFramebufferRenderbufferEXT(renderbuffer %u)",
2219 /* remove renderbuffer attachment */
2223 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
&&
2224 rb
&& rb
->Format
!= MESA_FORMAT_NONE
) {
2225 /* make sure the renderbuffer is a depth/stencil format */
2226 const GLenum baseFormat
= _mesa_get_format_base_format(rb
->Format
);
2227 if (baseFormat
!= GL_DEPTH_STENCIL
) {
2228 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2229 "glFramebufferRenderbufferEXT(renderbuffer"
2230 " is not DEPTH_STENCIL format)");
2236 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2238 assert(ctx
->Driver
.FramebufferRenderbuffer
);
2239 ctx
->Driver
.FramebufferRenderbuffer(ctx
, fb
, attachment
, rb
);
2241 /* Some subsequent GL commands may depend on the framebuffer's visual
2242 * after the binding is updated. Update visual info now.
2244 _mesa_update_framebuffer_visual(ctx
, fb
);
2249 _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target
, GLenum attachment
,
2250 GLenum pname
, GLint
*params
)
2252 const struct gl_renderbuffer_attachment
*att
;
2253 struct gl_framebuffer
*buffer
;
2255 GET_CURRENT_CONTEXT(ctx
);
2257 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2259 /* The error differs in GL andd GLES. */
2260 err
= ctx
->API
== API_OPENGL
? GL_INVALID_OPERATION
: GL_INVALID_ENUM
;
2262 buffer
= get_framebuffer_target(ctx
, target
);
2264 _mesa_error(ctx
, GL_INVALID_ENUM
,
2265 "glGetFramebufferAttachmentParameterivEXT(target)");
2269 if (_mesa_is_winsys_fbo(buffer
)) {
2270 /* Page 126 (page 136 of the PDF) of the OpenGL ES 2.0.25 spec
2273 * "If the framebuffer currently bound to target is zero, then
2274 * INVALID_OPERATION is generated."
2276 * The EXT_framebuffer_object spec has the same wording, and the
2277 * OES_framebuffer_object spec refers to the EXT_framebuffer_object
2280 if (ctx
->API
!= API_OPENGL
|| !ctx
->Extensions
.ARB_framebuffer_object
) {
2281 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2282 "glGetFramebufferAttachmentParameteriv(bound FBO = 0)");
2285 /* the default / window-system FBO */
2286 att
= _mesa_get_fb0_attachment(ctx
, buffer
, attachment
);
2289 /* user-created framebuffer FBO */
2290 att
= _mesa_get_attachment(ctx
, buffer
, attachment
);
2294 _mesa_error(ctx
, GL_INVALID_ENUM
,
2295 "glGetFramebufferAttachmentParameterivEXT(attachment)");
2299 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
2300 /* the depth and stencil attachments must point to the same buffer */
2301 const struct gl_renderbuffer_attachment
*depthAtt
, *stencilAtt
;
2302 depthAtt
= _mesa_get_attachment(ctx
, buffer
, GL_DEPTH_ATTACHMENT
);
2303 stencilAtt
= _mesa_get_attachment(ctx
, buffer
, GL_STENCIL_ATTACHMENT
);
2304 if (depthAtt
->Renderbuffer
!= stencilAtt
->Renderbuffer
) {
2305 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2306 "glGetFramebufferAttachmentParameterivEXT(DEPTH/STENCIL"
2307 " attachments differ)");
2312 /* No need to flush here */
2315 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT
:
2316 *params
= _mesa_is_winsys_fbo(buffer
)
2317 ? GL_FRAMEBUFFER_DEFAULT
: att
->Type
;
2319 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT
:
2320 if (att
->Type
== GL_RENDERBUFFER_EXT
) {
2321 *params
= att
->Renderbuffer
->Name
;
2323 else if (att
->Type
== GL_TEXTURE
) {
2324 *params
= att
->Texture
->Name
;
2327 assert(att
->Type
== GL_NONE
);
2328 if (ctx
->API
== API_OPENGL
) {
2331 _mesa_error(ctx
, GL_INVALID_ENUM
,
2332 "glGetFramebufferAttachmentParameterivEXT(pname)");
2336 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT
:
2337 if (att
->Type
== GL_TEXTURE
) {
2338 *params
= att
->TextureLevel
;
2340 else if (att
->Type
== GL_NONE
) {
2341 _mesa_error(ctx
, err
,
2342 "glGetFramebufferAttachmentParameterivEXT(pname)");
2345 _mesa_error(ctx
, GL_INVALID_ENUM
,
2346 "glGetFramebufferAttachmentParameterivEXT(pname)");
2349 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT
:
2350 if (att
->Type
== GL_TEXTURE
) {
2351 if (att
->Texture
&& att
->Texture
->Target
== GL_TEXTURE_CUBE_MAP
) {
2352 *params
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ att
->CubeMapFace
;
2358 else if (att
->Type
== GL_NONE
) {
2359 _mesa_error(ctx
, err
,
2360 "glGetFramebufferAttachmentParameterivEXT(pname)");
2363 _mesa_error(ctx
, GL_INVALID_ENUM
,
2364 "glGetFramebufferAttachmentParameterivEXT(pname)");
2367 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT
:
2368 if (att
->Type
== GL_TEXTURE
) {
2369 if (att
->Texture
&& att
->Texture
->Target
== GL_TEXTURE_3D
) {
2370 *params
= att
->Zoffset
;
2376 else if (att
->Type
== GL_NONE
) {
2377 _mesa_error(ctx
, err
,
2378 "glGetFramebufferAttachmentParameterivEXT(pname)");
2381 _mesa_error(ctx
, GL_INVALID_ENUM
,
2382 "glGetFramebufferAttachmentParameterivEXT(pname)");
2385 case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING
:
2386 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
2387 _mesa_error(ctx
, GL_INVALID_ENUM
,
2388 "glGetFramebufferAttachmentParameterivEXT(pname)");
2390 else if (att
->Type
== GL_NONE
) {
2391 _mesa_error(ctx
, err
,
2392 "glGetFramebufferAttachmentParameterivEXT(pname)");
2395 if (ctx
->Extensions
.EXT_framebuffer_sRGB
&& ctx
->Const
.sRGBCapable
) {
2396 *params
= _mesa_get_format_color_encoding(att
->Renderbuffer
->Format
);
2399 /* According to ARB_framebuffer_sRGB, we should return LINEAR
2400 * if the sRGB conversion is unsupported. */
2401 *params
= GL_LINEAR
;
2405 case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE
:
2406 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
2407 _mesa_error(ctx
, GL_INVALID_ENUM
,
2408 "glGetFramebufferAttachmentParameterivEXT(pname)");
2411 else if (att
->Type
== GL_NONE
) {
2412 _mesa_error(ctx
, err
,
2413 "glGetFramebufferAttachmentParameterivEXT(pname)");
2416 gl_format format
= att
->Renderbuffer
->Format
;
2417 if (format
== MESA_FORMAT_S8
) {
2421 else if (format
== MESA_FORMAT_Z32_FLOAT_X24S8
) {
2422 /* depends on the attachment parameter */
2423 if (attachment
== GL_STENCIL_ATTACHMENT
) {
2431 *params
= _mesa_get_format_datatype(format
);
2435 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE
:
2436 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE
:
2437 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE
:
2438 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE
:
2439 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE
:
2440 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE
:
2441 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
2442 _mesa_error(ctx
, GL_INVALID_ENUM
,
2443 "glGetFramebufferAttachmentParameterivEXT(pname)");
2445 else if (att
->Type
== GL_NONE
) {
2446 _mesa_error(ctx
, err
,
2447 "glGetFramebufferAttachmentParameterivEXT(pname)");
2449 else if (att
->Texture
) {
2450 const struct gl_texture_image
*texImage
=
2451 _mesa_select_tex_image(ctx
, att
->Texture
, att
->Texture
->Target
,
2454 *params
= get_component_bits(pname
, texImage
->_BaseFormat
,
2455 texImage
->TexFormat
);
2461 else if (att
->Renderbuffer
) {
2462 *params
= get_component_bits(pname
, att
->Renderbuffer
->_BaseFormat
,
2463 att
->Renderbuffer
->Format
);
2466 _mesa_problem(ctx
, "glGetFramebufferAttachmentParameterivEXT:"
2467 " invalid FBO attachment structure");
2471 _mesa_error(ctx
, GL_INVALID_ENUM
,
2472 "glGetFramebufferAttachmentParameterivEXT(pname)");
2479 _mesa_GenerateMipmapEXT(GLenum target
)
2481 struct gl_texture_image
*srcImage
;
2482 struct gl_texture_object
*texObj
;
2485 GET_CURRENT_CONTEXT(ctx
);
2487 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2488 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2496 case GL_TEXTURE_CUBE_MAP
:
2497 error
= !ctx
->Extensions
.ARB_texture_cube_map
;
2499 case GL_TEXTURE_1D_ARRAY
:
2500 case GL_TEXTURE_2D_ARRAY
:
2501 error
= !ctx
->Extensions
.EXT_texture_array
;
2508 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGenerateMipmapEXT(target=%s)",
2509 _mesa_lookup_enum_by_nr(target
));
2513 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2515 if (texObj
->BaseLevel
>= texObj
->MaxLevel
) {
2520 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
&&
2521 !_mesa_cube_complete(texObj
)) {
2522 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2523 "glGenerateMipmap(incomplete cube map)");
2527 _mesa_lock_texture(ctx
, texObj
);
2529 srcImage
= _mesa_select_tex_image(ctx
, texObj
, target
, texObj
->BaseLevel
);
2531 _mesa_unlock_texture(ctx
, texObj
);
2535 if (target
== GL_TEXTURE_CUBE_MAP
) {
2537 for (face
= 0; face
< 6; face
++)
2538 ctx
->Driver
.GenerateMipmap(ctx
,
2539 GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
+ face
,
2543 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2545 _mesa_unlock_texture(ctx
, texObj
);
2549 #if FEATURE_EXT_framebuffer_blit
2551 static const struct gl_renderbuffer_attachment
*
2552 find_attachment(const struct gl_framebuffer
*fb
,
2553 const struct gl_renderbuffer
*rb
)
2556 for (i
= 0; i
< Elements(fb
->Attachment
); i
++) {
2557 if (fb
->Attachment
[i
].Renderbuffer
== rb
)
2558 return &fb
->Attachment
[i
];
2565 * Helper function for checking if the datatypes of color buffers are
2566 * compatible for glBlitFramebuffer. From the 3.1 spec, page 198:
2568 * "GL_INVALID_OPERATION is generated if mask contains GL_COLOR_BUFFER_BIT
2569 * and any of the following conditions hold:
2570 * - The read buffer contains fixed-point or floating-point values and any
2571 * draw buffer contains neither fixed-point nor floating-point values.
2572 * - The read buffer contains unsigned integer values and any draw buffer
2573 * does not contain unsigned integer values.
2574 * - The read buffer contains signed integer values and any draw buffer
2575 * does not contain signed integer values."
2578 compatible_color_datatypes(gl_format srcFormat
, gl_format dstFormat
)
2580 GLenum srcType
= _mesa_get_format_datatype(srcFormat
);
2581 GLenum dstType
= _mesa_get_format_datatype(dstFormat
);
2583 if (srcType
!= GL_INT
&& srcType
!= GL_UNSIGNED_INT
) {
2584 assert(srcType
== GL_UNSIGNED_NORMALIZED
||
2585 srcType
== GL_SIGNED_NORMALIZED
||
2586 srcType
== GL_FLOAT
);
2587 /* Boil any of those types down to GL_FLOAT */
2591 if (dstType
!= GL_INT
&& dstType
!= GL_UNSIGNED_INT
) {
2592 assert(dstType
== GL_UNSIGNED_NORMALIZED
||
2593 dstType
== GL_SIGNED_NORMALIZED
||
2594 dstType
== GL_FLOAT
);
2595 /* Boil any of those types down to GL_FLOAT */
2599 return srcType
== dstType
;
2604 * Blit rectangular region, optionally from one framebuffer to another.
2606 * Note, if the src buffer is multisampled and the dest is not, this is
2607 * when the samples must be resolved to a single color.
2610 _mesa_BlitFramebufferEXT(GLint srcX0
, GLint srcY0
, GLint srcX1
, GLint srcY1
,
2611 GLint dstX0
, GLint dstY0
, GLint dstX1
, GLint dstY1
,
2612 GLbitfield mask
, GLenum filter
)
2614 const GLbitfield legalMaskBits
= (GL_COLOR_BUFFER_BIT
|
2615 GL_DEPTH_BUFFER_BIT
|
2616 GL_STENCIL_BUFFER_BIT
);
2617 const struct gl_framebuffer
*readFb
, *drawFb
;
2618 const struct gl_renderbuffer
*colorReadRb
, *colorDrawRb
;
2619 GET_CURRENT_CONTEXT(ctx
);
2621 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2622 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2624 if (MESA_VERBOSE
& VERBOSE_API
)
2626 "glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d, 0x%x, %s)\n",
2627 srcX0
, srcY0
, srcX1
, srcY1
,
2628 dstX0
, dstY0
, dstX1
, dstY1
,
2629 mask
, _mesa_lookup_enum_by_nr(filter
));
2631 if (ctx
->NewState
) {
2632 _mesa_update_state(ctx
);
2635 readFb
= ctx
->ReadBuffer
;
2636 drawFb
= ctx
->DrawBuffer
;
2638 if (!readFb
|| !drawFb
) {
2639 /* This will normally never happen but someday we may want to
2640 * support MakeCurrent() with no drawables.
2645 /* check for complete framebuffers */
2646 if (drawFb
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
||
2647 readFb
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
2648 _mesa_error(ctx
, GL_INVALID_FRAMEBUFFER_OPERATION_EXT
,
2649 "glBlitFramebufferEXT(incomplete draw/read buffers)");
2653 if (filter
!= GL_NEAREST
&& filter
!= GL_LINEAR
) {
2654 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBlitFramebufferEXT(filter)");
2658 if (mask
& ~legalMaskBits
) {
2659 _mesa_error( ctx
, GL_INVALID_VALUE
, "glBlitFramebufferEXT(mask)");
2663 /* depth/stencil must be blitted with nearest filtering */
2664 if ((mask
& (GL_DEPTH_BUFFER_BIT
| GL_STENCIL_BUFFER_BIT
))
2665 && filter
!= GL_NEAREST
) {
2666 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2667 "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter)");
2671 /* get color read/draw renderbuffers */
2672 if (mask
& GL_COLOR_BUFFER_BIT
) {
2673 colorReadRb
= readFb
->_ColorReadBuffer
;
2674 colorDrawRb
= drawFb
->_ColorDrawBuffers
[0];
2676 /* From the EXT_framebuffer_object spec:
2678 * "If a buffer is specified in <mask> and does not exist in both
2679 * the read and draw framebuffers, the corresponding bit is silently
2682 if ((colorReadRb
== NULL
) || (colorDrawRb
== NULL
)) {
2683 colorReadRb
= colorDrawRb
= NULL
;
2684 mask
&= ~GL_COLOR_BUFFER_BIT
;
2686 else if (!compatible_color_datatypes(colorReadRb
->Format
,
2687 colorDrawRb
->Format
)) {
2688 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2689 "glBlitFramebufferEXT(color buffer datatypes mismatch)");
2694 colorReadRb
= colorDrawRb
= NULL
;
2697 if (mask
& GL_STENCIL_BUFFER_BIT
) {
2698 struct gl_renderbuffer
*readRb
=
2699 readFb
->Attachment
[BUFFER_STENCIL
].Renderbuffer
;
2700 struct gl_renderbuffer
*drawRb
=
2701 drawFb
->Attachment
[BUFFER_STENCIL
].Renderbuffer
;
2703 /* From the EXT_framebuffer_object spec:
2705 * "If a buffer is specified in <mask> and does not exist in both
2706 * the read and draw framebuffers, the corresponding bit is silently
2709 if ((readRb
== NULL
) || (drawRb
== NULL
)) {
2710 mask
&= ~GL_STENCIL_BUFFER_BIT
;
2712 else if (readRb
->Format
!= drawRb
->Format
) {
2713 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2714 "glBlitFramebufferEXT(stencil buffer format mismatch)");
2719 if (mask
& GL_DEPTH_BUFFER_BIT
) {
2720 struct gl_renderbuffer
*readRb
=
2721 readFb
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
2722 struct gl_renderbuffer
*drawRb
=
2723 drawFb
->Attachment
[BUFFER_DEPTH
].Renderbuffer
;
2725 /* From the EXT_framebuffer_object spec:
2727 * "If a buffer is specified in <mask> and does not exist in both
2728 * the read and draw framebuffers, the corresponding bit is silently
2731 if ((readRb
== NULL
) || (drawRb
== NULL
)) {
2732 mask
&= ~GL_DEPTH_BUFFER_BIT
;
2734 else if (readRb
->Format
!= drawRb
->Format
) {
2735 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2736 "glBlitFramebufferEXT(depth buffer format mismatch)");
2741 if (readFb
->Visual
.samples
> 0 &&
2742 drawFb
->Visual
.samples
> 0 &&
2743 readFb
->Visual
.samples
!= drawFb
->Visual
.samples
) {
2744 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2745 "glBlitFramebufferEXT(mismatched samples)");
2749 /* extra checks for multisample copies... */
2750 if (readFb
->Visual
.samples
> 0 || drawFb
->Visual
.samples
> 0) {
2751 /* src and dest region sizes must be the same */
2752 if (srcX1
- srcX0
!= dstX1
- dstX0
||
2753 srcY1
- srcY0
!= dstY1
- dstY0
) {
2754 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2755 "glBlitFramebufferEXT(bad src/dst multisample region sizes)");
2759 /* color formats must match */
2762 colorReadRb
->Format
!= colorDrawRb
->Format
) {
2763 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2764 "glBlitFramebufferEXT(bad src/dst multisample pixel formats)");
2769 if (filter
== GL_LINEAR
&& (mask
& GL_COLOR_BUFFER_BIT
)) {
2770 /* 3.1 spec, page 199:
2771 * "Calling BlitFramebuffer will result in an INVALID_OPERATION error
2772 * if filter is LINEAR and read buffer contains integer data."
2774 GLenum type
= _mesa_get_format_datatype(colorReadRb
->Format
);
2775 if (type
== GL_INT
|| type
== GL_UNSIGNED_INT
) {
2776 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2777 "glBlitFramebufferEXT(integer color type)");
2782 if (!ctx
->Extensions
.EXT_framebuffer_blit
) {
2783 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBlitFramebufferEXT");
2789 printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d,"
2791 srcX0
, srcY0
, srcX1
, srcY1
,
2792 dstX0
, dstY0
, dstX1
, dstY1
,
2795 const struct gl_renderbuffer_attachment
*att
;
2797 att
= find_attachment(readFb
, colorReadRb
);
2798 printf(" Src FBO %u RB %u (%dx%d) ",
2799 readFb
->Name
, colorReadRb
->Name
,
2800 colorReadRb
->Width
, colorReadRb
->Height
);
2801 if (att
&& att
->Texture
) {
2802 printf("Tex %u tgt 0x%x level %u face %u",
2804 att
->Texture
->Target
,
2810 att
= find_attachment(drawFb
, colorDrawRb
);
2811 printf(" Dst FBO %u RB %u (%dx%d) ",
2812 drawFb
->Name
, colorDrawRb
->Name
,
2813 colorDrawRb
->Width
, colorDrawRb
->Height
);
2814 if (att
&& att
->Texture
) {
2815 printf("Tex %u tgt 0x%x level %u face %u",
2817 att
->Texture
->Target
,
2829 ASSERT(ctx
->Driver
.BlitFramebuffer
);
2830 ctx
->Driver
.BlitFramebuffer(ctx
,
2831 srcX0
, srcY0
, srcX1
, srcY1
,
2832 dstX0
, dstY0
, dstX1
, dstY1
,
2835 #endif /* FEATURE_EXT_framebuffer_blit */
2838 #if FEATURE_ARB_geometry_shader4
2840 _mesa_FramebufferTextureARB(GLenum target
, GLenum attachment
,
2841 GLuint texture
, GLint level
)
2843 GET_CURRENT_CONTEXT(ctx
);
2844 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2845 "glFramebufferTextureARB "
2846 "not implemented!");
2851 _mesa_FramebufferTextureFaceARB(GLenum target
, GLenum attachment
,
2852 GLuint texture
, GLint level
, GLenum face
)
2854 GET_CURRENT_CONTEXT(ctx
);
2855 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2856 "glFramebufferTextureFaceARB "
2857 "not implemented!");
2859 #endif /* FEATURE_ARB_geometry_shader4 */