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"
43 #include "mfeatures.h"
45 #include "renderbuffer.h"
51 /** Set this to 1 to help debug FBO incompleteness problems */
54 /** Set this to 1 to debug/log glBlitFramebuffer() calls */
61 * None of the GL_EXT_framebuffer_object functions are compiled into
68 * When glGenRender/FramebuffersEXT() is called we insert pointers to
69 * these placeholder objects into the hash table.
70 * Later, when the object ID is first bound, we replace the placeholder
71 * with the real frame/renderbuffer.
73 static struct gl_framebuffer DummyFramebuffer
;
74 static struct gl_renderbuffer DummyRenderbuffer
;
76 /* We bind this framebuffer when applications pass a NULL
77 * drawable/surface in make current. */
78 static struct gl_framebuffer IncompleteFramebuffer
;
82 * Is the given FBO a user-created FBO?
84 static inline GLboolean
85 is_user_fbo(const struct gl_framebuffer
*fb
)
92 * Is the given FBO a window system FBO (like an X window)?
94 static inline GLboolean
95 is_winsys_fbo(const struct gl_framebuffer
*fb
)
102 delete_dummy_renderbuffer(struct gl_renderbuffer
*rb
)
108 delete_dummy_framebuffer(struct gl_framebuffer
*fb
)
115 _mesa_init_fbobjects(struct gl_context
*ctx
)
117 _glthread_INIT_MUTEX(DummyFramebuffer
.Mutex
);
118 _glthread_INIT_MUTEX(DummyRenderbuffer
.Mutex
);
119 _glthread_INIT_MUTEX(IncompleteFramebuffer
.Mutex
);
120 DummyFramebuffer
.Delete
= delete_dummy_framebuffer
;
121 DummyRenderbuffer
.Delete
= delete_dummy_renderbuffer
;
122 IncompleteFramebuffer
.Delete
= delete_dummy_framebuffer
;
125 struct gl_framebuffer
*
126 _mesa_get_incomplete_framebuffer(void)
128 return &IncompleteFramebuffer
;
132 * Helper routine for getting a gl_renderbuffer.
134 struct gl_renderbuffer
*
135 _mesa_lookup_renderbuffer(struct gl_context
*ctx
, GLuint id
)
137 struct gl_renderbuffer
*rb
;
142 rb
= (struct gl_renderbuffer
*)
143 _mesa_HashLookup(ctx
->Shared
->RenderBuffers
, id
);
149 * Helper routine for getting a gl_framebuffer.
151 struct gl_framebuffer
*
152 _mesa_lookup_framebuffer(struct gl_context
*ctx
, GLuint id
)
154 struct gl_framebuffer
*fb
;
159 fb
= (struct gl_framebuffer
*)
160 _mesa_HashLookup(ctx
->Shared
->FrameBuffers
, id
);
166 * Mark the given framebuffer as invalid. This will force the
167 * test for framebuffer completeness to be done before the framebuffer
171 invalidate_framebuffer(struct gl_framebuffer
*fb
)
173 fb
->_Status
= 0; /* "indeterminate" */
178 * Return the gl_framebuffer object which corresponds to the given
179 * framebuffer target, such as GL_DRAW_FRAMEBUFFER.
180 * Check support for GL_EXT_framebuffer_blit to determine if certain
182 * \return gl_framebuffer pointer or NULL if target is illegal
184 static struct gl_framebuffer
*
185 get_framebuffer_target(struct gl_context
*ctx
, GLenum target
)
188 case GL_DRAW_FRAMEBUFFER
:
189 return ctx
->Extensions
.EXT_framebuffer_blit
&& ctx
->API
== API_OPENGL
190 ? ctx
->DrawBuffer
: NULL
;
191 case GL_READ_FRAMEBUFFER
:
192 return ctx
->Extensions
.EXT_framebuffer_blit
&& ctx
->API
== API_OPENGL
193 ? ctx
->ReadBuffer
: NULL
;
194 case GL_FRAMEBUFFER_EXT
:
195 return ctx
->DrawBuffer
;
203 * Given a GL_*_ATTACHMENTn token, return a pointer to the corresponding
204 * gl_renderbuffer_attachment object.
205 * This function is only used for user-created FB objects, not the
206 * default / window-system FB object.
207 * If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
208 * the depth buffer attachment point.
210 struct gl_renderbuffer_attachment
*
211 _mesa_get_attachment(struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
216 assert(is_user_fbo(fb
));
218 switch (attachment
) {
219 case GL_COLOR_ATTACHMENT0_EXT
:
220 case GL_COLOR_ATTACHMENT1_EXT
:
221 case GL_COLOR_ATTACHMENT2_EXT
:
222 case GL_COLOR_ATTACHMENT3_EXT
:
223 case GL_COLOR_ATTACHMENT4_EXT
:
224 case GL_COLOR_ATTACHMENT5_EXT
:
225 case GL_COLOR_ATTACHMENT6_EXT
:
226 case GL_COLOR_ATTACHMENT7_EXT
:
227 case GL_COLOR_ATTACHMENT8_EXT
:
228 case GL_COLOR_ATTACHMENT9_EXT
:
229 case GL_COLOR_ATTACHMENT10_EXT
:
230 case GL_COLOR_ATTACHMENT11_EXT
:
231 case GL_COLOR_ATTACHMENT12_EXT
:
232 case GL_COLOR_ATTACHMENT13_EXT
:
233 case GL_COLOR_ATTACHMENT14_EXT
:
234 case GL_COLOR_ATTACHMENT15_EXT
:
235 /* Only OpenGL ES 1.x forbids color attachments other than
236 * GL_COLOR_ATTACHMENT0. For all other APIs the limit set by the
239 i
= attachment
- GL_COLOR_ATTACHMENT0_EXT
;
240 if (i
>= ctx
->Const
.MaxColorAttachments
241 || (i
> 0 && ctx
->API
== API_OPENGLES
)) {
244 return &fb
->Attachment
[BUFFER_COLOR0
+ i
];
245 case GL_DEPTH_STENCIL_ATTACHMENT
:
246 if (ctx
->API
!= API_OPENGL
)
249 case GL_DEPTH_ATTACHMENT_EXT
:
250 return &fb
->Attachment
[BUFFER_DEPTH
];
251 case GL_STENCIL_ATTACHMENT_EXT
:
252 return &fb
->Attachment
[BUFFER_STENCIL
];
260 * As above, but only used for getting attachments of the default /
261 * window-system framebuffer (not user-created framebuffer objects).
263 static struct gl_renderbuffer_attachment
*
264 _mesa_get_fb0_attachment(struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
267 assert(is_winsys_fbo(fb
));
269 switch (attachment
) {
271 return &fb
->Attachment
[BUFFER_FRONT_LEFT
];
273 return &fb
->Attachment
[BUFFER_FRONT_RIGHT
];
275 return &fb
->Attachment
[BUFFER_BACK_LEFT
];
277 return &fb
->Attachment
[BUFFER_BACK_RIGHT
];
279 if (fb
->Visual
.numAuxBuffers
== 1) {
280 return &fb
->Attachment
[BUFFER_AUX0
];
284 /* Page 336 (page 352 of the PDF) of the OpenGL 3.0 spec says:
286 * "If the default framebuffer is bound to target, then attachment must
287 * be one of FRONT LEFT, FRONT RIGHT, BACK LEFT, BACK RIGHT, or AUXi,
288 * identifying a color buffer; DEPTH, identifying the depth buffer; or
289 * STENCIL, identifying the stencil buffer."
291 * Revision #34 of the ARB_framebuffer_object spec has essentially the same
292 * language. However, revision #33 of the ARB_framebuffer_object spec
295 * "If the default framebuffer is bound to <target>, then <attachment>
296 * must be one of FRONT_LEFT, FRONT_RIGHT, BACK_LEFT, BACK_RIGHT, AUXi,
297 * DEPTH_BUFFER, or STENCIL_BUFFER, identifying a color buffer, the
298 * depth buffer, or the stencil buffer, and <pname> may be
299 * FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE or
300 * FRAMEBUFFER_ATTACHMENT_OBJECT_NAME."
302 * The enum values for DEPTH_BUFFER and STENCIL_BUFFER have been removed
303 * from glext.h, so shipping apps should not use those values.
305 * Note that neither EXT_framebuffer_object nor OES_framebuffer_object
306 * support queries of the window system FBO.
309 return &fb
->Attachment
[BUFFER_DEPTH
];
311 return &fb
->Attachment
[BUFFER_STENCIL
];
320 * Remove any texture or renderbuffer attached to the given attachment
321 * point. Update reference counts, etc.
324 _mesa_remove_attachment(struct gl_context
*ctx
,
325 struct gl_renderbuffer_attachment
*att
)
327 if (att
->Type
== GL_TEXTURE
) {
328 ASSERT(att
->Texture
);
329 if (ctx
->Driver
.FinishRenderTexture
) {
330 /* tell driver that we're done rendering to this texture. */
331 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
333 _mesa_reference_texobj(&att
->Texture
, NULL
); /* unbind */
334 ASSERT(!att
->Texture
);
336 if (att
->Type
== GL_TEXTURE
|| att
->Type
== GL_RENDERBUFFER_EXT
) {
337 ASSERT(!att
->Texture
);
338 _mesa_reference_renderbuffer(&att
->Renderbuffer
, NULL
); /* unbind */
339 ASSERT(!att
->Renderbuffer
);
342 att
->Complete
= GL_TRUE
;
347 * Bind a texture object to an attachment point.
348 * The previous binding, if any, will be removed first.
351 _mesa_set_texture_attachment(struct gl_context
*ctx
,
352 struct gl_framebuffer
*fb
,
353 struct gl_renderbuffer_attachment
*att
,
354 struct gl_texture_object
*texObj
,
355 GLenum texTarget
, GLuint level
, GLuint zoffset
)
357 if (att
->Texture
== texObj
) {
358 /* re-attaching same texture */
359 ASSERT(att
->Type
== GL_TEXTURE
);
360 if (ctx
->Driver
.FinishRenderTexture
)
361 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
365 if (ctx
->Driver
.FinishRenderTexture
&& att
->Texture
)
366 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
367 _mesa_remove_attachment(ctx
, att
);
368 att
->Type
= GL_TEXTURE
;
369 assert(!att
->Texture
);
370 _mesa_reference_texobj(&att
->Texture
, texObj
);
373 /* always update these fields */
374 att
->TextureLevel
= level
;
375 att
->CubeMapFace
= _mesa_tex_target_to_face(texTarget
);
376 att
->Zoffset
= zoffset
;
377 att
->Complete
= GL_FALSE
;
379 if (_mesa_get_attachment_teximage(att
)) {
380 ctx
->Driver
.RenderTexture(ctx
, fb
, att
);
383 invalidate_framebuffer(fb
);
388 * Bind a renderbuffer to an attachment point.
389 * The previous binding, if any, will be removed first.
392 _mesa_set_renderbuffer_attachment(struct gl_context
*ctx
,
393 struct gl_renderbuffer_attachment
*att
,
394 struct gl_renderbuffer
*rb
)
396 /* XXX check if re-doing same attachment, exit early */
397 _mesa_remove_attachment(ctx
, att
);
398 att
->Type
= GL_RENDERBUFFER_EXT
;
399 att
->Texture
= NULL
; /* just to be safe */
400 att
->Complete
= GL_FALSE
;
401 _mesa_reference_renderbuffer(&att
->Renderbuffer
, rb
);
406 * Fallback for ctx->Driver.FramebufferRenderbuffer()
407 * Attach a renderbuffer object to a framebuffer object.
410 _mesa_framebuffer_renderbuffer(struct gl_context
*ctx
,
411 struct gl_framebuffer
*fb
,
412 GLenum attachment
, struct gl_renderbuffer
*rb
)
414 struct gl_renderbuffer_attachment
*att
;
416 _glthread_LOCK_MUTEX(fb
->Mutex
);
418 att
= _mesa_get_attachment(ctx
, fb
, attachment
);
421 _mesa_set_renderbuffer_attachment(ctx
, att
, rb
);
422 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
423 /* do stencil attachment here (depth already done above) */
424 att
= _mesa_get_attachment(ctx
, fb
, GL_STENCIL_ATTACHMENT_EXT
);
426 _mesa_set_renderbuffer_attachment(ctx
, att
, rb
);
428 rb
->AttachedAnytime
= GL_TRUE
;
431 _mesa_remove_attachment(ctx
, att
);
434 invalidate_framebuffer(fb
);
436 _glthread_UNLOCK_MUTEX(fb
->Mutex
);
441 * Fallback for ctx->Driver.ValidateFramebuffer()
442 * Check if the renderbuffer's formats are supported by the software
444 * Drivers should probably override this.
447 _mesa_validate_framebuffer(struct gl_context
*ctx
, struct gl_framebuffer
*fb
)
450 for (buf
= 0; buf
< BUFFER_COUNT
; buf
++) {
451 const struct gl_renderbuffer
*rb
= fb
->Attachment
[buf
].Renderbuffer
;
453 switch (rb
->_BaseFormat
) {
455 case GL_LUMINANCE_ALPHA
:
460 fb
->_Status
= GL_FRAMEBUFFER_UNSUPPORTED
;
464 switch (rb
->Format
) {
465 /* XXX This list is likely incomplete. */
466 case MESA_FORMAT_RGB9_E5_FLOAT
:
467 fb
->_Status
= GL_FRAMEBUFFER_UNSUPPORTED
;
470 /* render buffer format is supported by software rendering */
482 att_incomplete(const char *msg
)
485 _mesa_debug(NULL
, "attachment incomplete: %s\n", msg
);
496 fbo_incomplete(const char *msg
, int index
)
499 _mesa_debug(NULL
, "FBO Incomplete: %s [%d]\n", msg
, index
);
508 * Is the given base format a legal format for a color renderbuffer?
511 _mesa_is_legal_color_format(const struct gl_context
*ctx
, GLenum baseFormat
)
513 switch (baseFormat
) {
518 case GL_LUMINANCE_ALPHA
:
521 return ctx
->Extensions
.ARB_framebuffer_object
;
524 return ctx
->Extensions
.ARB_texture_rg
;
532 * Is the given base format a legal format for a depth/stencil renderbuffer?
535 is_legal_depth_format(const struct gl_context
*ctx
, GLenum baseFormat
)
537 switch (baseFormat
) {
538 case GL_DEPTH_COMPONENT
:
539 case GL_DEPTH_STENCIL_EXT
:
548 * Test if an attachment point is complete and update its Complete field.
549 * \param format if GL_COLOR, this is a color attachment point,
550 * if GL_DEPTH, this is a depth component attachment point,
551 * if GL_STENCIL, this is a stencil component attachment point.
554 test_attachment_completeness(const struct gl_context
*ctx
, GLenum format
,
555 struct gl_renderbuffer_attachment
*att
)
557 assert(format
== GL_COLOR
|| format
== GL_DEPTH
|| format
== GL_STENCIL
);
559 /* assume complete */
560 att
->Complete
= GL_TRUE
;
562 /* Look for reasons why the attachment might be incomplete */
563 if (att
->Type
== GL_TEXTURE
) {
564 const struct gl_texture_object
*texObj
= att
->Texture
;
565 struct gl_texture_image
*texImage
;
569 att_incomplete("no texobj");
570 att
->Complete
= GL_FALSE
;
574 texImage
= texObj
->Image
[att
->CubeMapFace
][att
->TextureLevel
];
576 att_incomplete("no teximage");
577 att
->Complete
= GL_FALSE
;
580 if (texImage
->Width
< 1 || texImage
->Height
< 1) {
581 att_incomplete("teximage width/height=0");
582 printf("texobj = %u\n", texObj
->Name
);
583 printf("level = %d\n", att
->TextureLevel
);
584 att
->Complete
= GL_FALSE
;
587 if (texObj
->Target
== GL_TEXTURE_3D
&& att
->Zoffset
>= texImage
->Depth
) {
588 att_incomplete("bad z offset");
589 att
->Complete
= GL_FALSE
;
593 baseFormat
= _mesa_get_format_base_format(texImage
->TexFormat
);
595 if (format
== GL_COLOR
) {
596 if (!_mesa_is_legal_color_format(ctx
, baseFormat
)) {
597 att_incomplete("bad format");
598 att
->Complete
= GL_FALSE
;
601 if (_mesa_is_format_compressed(texImage
->TexFormat
)) {
602 att_incomplete("compressed internalformat");
603 att
->Complete
= GL_FALSE
;
607 else if (format
== GL_DEPTH
) {
608 if (baseFormat
== GL_DEPTH_COMPONENT
) {
611 else if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
612 ctx
->Extensions
.ARB_depth_texture
&&
613 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
617 att
->Complete
= GL_FALSE
;
618 att_incomplete("bad depth format");
623 ASSERT(format
== GL_STENCIL
);
624 if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
625 ctx
->Extensions
.ARB_depth_texture
&&
626 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
630 /* no such thing as stencil-only textures */
631 att_incomplete("illegal stencil texture");
632 att
->Complete
= GL_FALSE
;
637 else if (att
->Type
== GL_RENDERBUFFER_EXT
) {
638 const GLenum baseFormat
=
639 _mesa_get_format_base_format(att
->Renderbuffer
->Format
);
641 ASSERT(att
->Renderbuffer
);
642 if (!att
->Renderbuffer
->InternalFormat
||
643 att
->Renderbuffer
->Width
< 1 ||
644 att
->Renderbuffer
->Height
< 1) {
645 att_incomplete("0x0 renderbuffer");
646 att
->Complete
= GL_FALSE
;
649 if (format
== GL_COLOR
) {
650 if (!_mesa_is_legal_color_format(ctx
, baseFormat
)) {
651 att_incomplete("bad renderbuffer color format");
652 att
->Complete
= GL_FALSE
;
656 else if (format
== GL_DEPTH
) {
657 if (baseFormat
== GL_DEPTH_COMPONENT
) {
660 else if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
661 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
665 att_incomplete("bad renderbuffer depth format");
666 att
->Complete
= GL_FALSE
;
671 assert(format
== GL_STENCIL
);
672 if (baseFormat
== GL_STENCIL_INDEX
) {
675 else if (ctx
->Extensions
.EXT_packed_depth_stencil
&&
676 baseFormat
== GL_DEPTH_STENCIL_EXT
) {
680 att
->Complete
= GL_FALSE
;
681 att_incomplete("bad renderbuffer stencil format");
687 ASSERT(att
->Type
== GL_NONE
);
695 * Test if the given framebuffer object is complete and update its
696 * Status field with the results.
697 * Calls the ctx->Driver.ValidateFramebuffer() function to allow the
698 * driver to make hardware-specific validation/completeness checks.
699 * Also update the framebuffer's Width and Height fields if the
700 * framebuffer is complete.
703 _mesa_test_framebuffer_completeness(struct gl_context
*ctx
,
704 struct gl_framebuffer
*fb
)
707 GLenum intFormat
= GL_NONE
; /* color buffers' internal format */
708 GLuint minWidth
= ~0, minHeight
= ~0, maxWidth
= 0, maxHeight
= 0;
709 GLint numSamples
= -1;
713 assert(is_user_fbo(fb
));
719 /* Start at -2 to more easily loop over all attachment points.
724 for (i
= -2; i
< (GLint
) ctx
->Const
.MaxColorAttachments
; i
++) {
725 struct gl_renderbuffer_attachment
*att
;
730 * XXX for ARB_fbo, only check color buffers that are named by
731 * GL_READ_BUFFER and GL_DRAW_BUFFERi.
734 /* check for attachment completeness
737 att
= &fb
->Attachment
[BUFFER_DEPTH
];
738 test_attachment_completeness(ctx
, GL_DEPTH
, att
);
739 if (!att
->Complete
) {
740 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
;
741 fbo_incomplete("depth attachment incomplete", -1);
746 att
= &fb
->Attachment
[BUFFER_STENCIL
];
747 test_attachment_completeness(ctx
, GL_STENCIL
, att
);
748 if (!att
->Complete
) {
749 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
;
750 fbo_incomplete("stencil attachment incomplete", -1);
755 att
= &fb
->Attachment
[BUFFER_COLOR0
+ i
];
756 test_attachment_completeness(ctx
, GL_COLOR
, att
);
757 if (!att
->Complete
) {
758 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT
;
759 fbo_incomplete("color attachment incomplete", i
);
764 /* get width, height, format of the renderbuffer/texture
766 if (att
->Type
== GL_TEXTURE
) {
767 const struct gl_texture_image
*texImg
=
768 _mesa_get_attachment_teximage(att
);
769 minWidth
= MIN2(minWidth
, texImg
->Width
);
770 maxWidth
= MAX2(maxWidth
, texImg
->Width
);
771 minHeight
= MIN2(minHeight
, texImg
->Height
);
772 maxHeight
= MAX2(maxHeight
, texImg
->Height
);
773 f
= texImg
->_BaseFormat
;
774 attFormat
= texImg
->TexFormat
;
776 if (!_mesa_is_legal_color_format(ctx
, f
) &&
777 !is_legal_depth_format(ctx
, f
)) {
778 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
;
779 fbo_incomplete("texture attachment incomplete", -1);
783 else if (att
->Type
== GL_RENDERBUFFER_EXT
) {
784 minWidth
= MIN2(minWidth
, att
->Renderbuffer
->Width
);
785 maxWidth
= MAX2(minWidth
, att
->Renderbuffer
->Width
);
786 minHeight
= MIN2(minHeight
, att
->Renderbuffer
->Height
);
787 maxHeight
= MAX2(minHeight
, att
->Renderbuffer
->Height
);
788 f
= att
->Renderbuffer
->InternalFormat
;
789 attFormat
= att
->Renderbuffer
->Format
;
793 assert(att
->Type
== GL_NONE
);
797 if (att
->Renderbuffer
&& numSamples
< 0) {
799 numSamples
= att
->Renderbuffer
->NumSamples
;
802 /* check if integer color */
803 fb
->_IntegerColor
= _mesa_is_format_integer_color(attFormat
);
805 /* Error-check width, height, format, samples
807 if (numImages
== 1) {
808 /* save format, num samples */
814 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
815 /* check that width, height, format are same */
816 if (minWidth
!= maxWidth
|| minHeight
!= maxHeight
) {
817 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT
;
818 fbo_incomplete("width or height mismatch", -1);
821 /* check that all color buffer have same format */
822 if (intFormat
!= GL_NONE
&& f
!= intFormat
) {
823 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
;
824 fbo_incomplete("format mismatch", -1);
828 if (att
->Renderbuffer
&&
829 att
->Renderbuffer
->NumSamples
!= numSamples
) {
830 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE
;
831 fbo_incomplete("inconsistant number of samples", i
);
839 if (ctx
->API
== API_OPENGL
&& !ctx
->Extensions
.ARB_ES2_compatibility
) {
840 /* Check that all DrawBuffers are present */
841 for (j
= 0; j
< ctx
->Const
.MaxDrawBuffers
; j
++) {
842 if (fb
->ColorDrawBuffer
[j
] != GL_NONE
) {
843 const struct gl_renderbuffer_attachment
*att
844 = _mesa_get_attachment(ctx
, fb
, fb
->ColorDrawBuffer
[j
]);
846 if (att
->Type
== GL_NONE
) {
847 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT
;
848 fbo_incomplete("missing drawbuffer", j
);
854 /* Check that the ReadBuffer is present */
855 if (fb
->ColorReadBuffer
!= GL_NONE
) {
856 const struct gl_renderbuffer_attachment
*att
857 = _mesa_get_attachment(ctx
, fb
, fb
->ColorReadBuffer
);
859 if (att
->Type
== GL_NONE
) {
860 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT
;
861 fbo_incomplete("missing readbuffer", -1);
870 if (numImages
== 0) {
871 fb
->_Status
= GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT
;
872 fbo_incomplete("no attachments", -1);
876 /* Provisionally set status = COMPLETE ... */
877 fb
->_Status
= GL_FRAMEBUFFER_COMPLETE_EXT
;
879 /* ... but the driver may say the FB is incomplete.
880 * Drivers will most likely set the status to GL_FRAMEBUFFER_UNSUPPORTED
883 if (ctx
->Driver
.ValidateFramebuffer
) {
884 ctx
->Driver
.ValidateFramebuffer(ctx
, fb
);
885 if (fb
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
) {
886 fbo_incomplete("driver marked FBO as incomplete", -1);
890 if (fb
->_Status
== GL_FRAMEBUFFER_COMPLETE_EXT
) {
892 * Note that if ARB_framebuffer_object is supported and the attached
893 * renderbuffers/textures are different sizes, the framebuffer
894 * width/height will be set to the smallest width/height.
896 fb
->Width
= minWidth
;
897 fb
->Height
= minHeight
;
899 /* finally, update the visual info for the framebuffer */
900 _mesa_update_framebuffer_visual(ctx
, fb
);
906 _mesa_IsRenderbufferEXT(GLuint renderbuffer
)
908 GET_CURRENT_CONTEXT(ctx
);
909 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, GL_FALSE
);
911 struct gl_renderbuffer
*rb
= _mesa_lookup_renderbuffer(ctx
, renderbuffer
);
912 if (rb
!= NULL
&& rb
!= &DummyRenderbuffer
)
920 _mesa_BindRenderbufferEXT(GLenum target
, GLuint renderbuffer
)
922 struct gl_renderbuffer
*newRb
;
923 GET_CURRENT_CONTEXT(ctx
);
925 ASSERT_OUTSIDE_BEGIN_END(ctx
);
927 if (target
!= GL_RENDERBUFFER_EXT
) {
928 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindRenderbufferEXT(target)");
932 /* No need to flush here since the render buffer binding has no
933 * effect on rendering state.
937 newRb
= _mesa_lookup_renderbuffer(ctx
, renderbuffer
);
938 if (newRb
== &DummyRenderbuffer
) {
939 /* ID was reserved, but no real renderbuffer object made yet */
942 else if (!newRb
&& ctx
->Extensions
.ARB_framebuffer_object
) {
943 /* All RB IDs must be Gen'd */
944 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindRenderbuffer(buffer)");
949 /* create new renderbuffer object */
950 newRb
= ctx
->Driver
.NewRenderbuffer(ctx
, renderbuffer
);
952 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindRenderbufferEXT");
955 ASSERT(newRb
->AllocStorage
);
956 _mesa_HashInsert(ctx
->Shared
->RenderBuffers
, renderbuffer
, newRb
);
957 newRb
->RefCount
= 1; /* referenced by hash table */
964 ASSERT(newRb
!= &DummyRenderbuffer
);
966 _mesa_reference_renderbuffer(&ctx
->CurrentRenderbuffer
, newRb
);
971 * If the given renderbuffer is anywhere attached to the framebuffer, detach
973 * This is used when a renderbuffer object is deleted.
974 * The spec calls for unbinding.
977 detach_renderbuffer(struct gl_context
*ctx
,
978 struct gl_framebuffer
*fb
,
979 struct gl_renderbuffer
*rb
)
982 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
983 if (fb
->Attachment
[i
].Renderbuffer
== rb
) {
984 _mesa_remove_attachment(ctx
, &fb
->Attachment
[i
]);
987 invalidate_framebuffer(fb
);
992 _mesa_DeleteRenderbuffersEXT(GLsizei n
, const GLuint
*renderbuffers
)
995 GET_CURRENT_CONTEXT(ctx
);
997 ASSERT_OUTSIDE_BEGIN_END(ctx
);
998 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1000 for (i
= 0; i
< n
; i
++) {
1001 if (renderbuffers
[i
] > 0) {
1002 struct gl_renderbuffer
*rb
;
1003 rb
= _mesa_lookup_renderbuffer(ctx
, renderbuffers
[i
]);
1005 /* check if deleting currently bound renderbuffer object */
1006 if (rb
== ctx
->CurrentRenderbuffer
) {
1008 ASSERT(rb
->RefCount
>= 2);
1009 _mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT
, 0);
1012 if (is_user_fbo(ctx
->DrawBuffer
)) {
1013 detach_renderbuffer(ctx
, ctx
->DrawBuffer
, rb
);
1015 if (is_user_fbo(ctx
->ReadBuffer
)
1016 && ctx
->ReadBuffer
!= ctx
->DrawBuffer
) {
1017 detach_renderbuffer(ctx
, ctx
->ReadBuffer
, rb
);
1020 /* Remove from hash table immediately, to free the ID.
1021 * But the object will not be freed until it's no longer
1022 * referenced anywhere else.
1024 _mesa_HashRemove(ctx
->Shared
->RenderBuffers
, renderbuffers
[i
]);
1026 if (rb
!= &DummyRenderbuffer
) {
1027 /* no longer referenced by hash table */
1028 _mesa_reference_renderbuffer(&rb
, NULL
);
1037 _mesa_GenRenderbuffersEXT(GLsizei n
, GLuint
*renderbuffers
)
1039 GET_CURRENT_CONTEXT(ctx
);
1043 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1046 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenRenderbuffersEXT(n)");
1053 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->RenderBuffers
, n
);
1055 for (i
= 0; i
< n
; i
++) {
1056 GLuint name
= first
+ i
;
1057 renderbuffers
[i
] = name
;
1058 /* insert dummy placeholder into hash table */
1059 _glthread_LOCK_MUTEX(ctx
->Shared
->Mutex
);
1060 _mesa_HashInsert(ctx
->Shared
->RenderBuffers
, name
, &DummyRenderbuffer
);
1061 _glthread_UNLOCK_MUTEX(ctx
->Shared
->Mutex
);
1067 * Given an internal format token for a render buffer, return the
1068 * corresponding base format (one of GL_RGB, GL_RGBA, GL_STENCIL_INDEX,
1069 * GL_DEPTH_COMPONENT, GL_DEPTH_STENCIL_EXT, GL_ALPHA, GL_LUMINANCE,
1070 * GL_LUMINANCE_ALPHA, GL_INTENSITY, etc).
1072 * This is similar to _mesa_base_tex_format() but the set of valid
1073 * internal formats is different.
1075 * Note that even if a format is determined to be legal here, validation
1076 * of the FBO may fail if the format is not supported by the driver/GPU.
1078 * \param internalFormat as passed to glRenderbufferStorage()
1079 * \return the base internal format, or 0 if internalFormat is illegal
1082 _mesa_base_fbo_format(struct gl_context
*ctx
, GLenum internalFormat
)
1085 * Notes: some formats such as alpha, luminance, etc. were added
1086 * with GL_ARB_framebuffer_object.
1088 switch (internalFormat
) {
1094 return ctx
->Extensions
.ARB_framebuffer_object
? GL_ALPHA
: 0;
1098 case GL_LUMINANCE12
:
1099 case GL_LUMINANCE16
:
1100 return ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1101 case GL_LUMINANCE_ALPHA
:
1102 case GL_LUMINANCE4_ALPHA4
:
1103 case GL_LUMINANCE6_ALPHA2
:
1104 case GL_LUMINANCE8_ALPHA8
:
1105 case GL_LUMINANCE12_ALPHA4
:
1106 case GL_LUMINANCE12_ALPHA12
:
1107 case GL_LUMINANCE16_ALPHA16
:
1108 return ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1112 case GL_INTENSITY12
:
1113 case GL_INTENSITY16
:
1114 return ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1133 case GL_SRGB8_ALPHA8_EXT
:
1135 case GL_STENCIL_INDEX
:
1136 case GL_STENCIL_INDEX1_EXT
:
1137 case GL_STENCIL_INDEX4_EXT
:
1138 case GL_STENCIL_INDEX8_EXT
:
1139 case GL_STENCIL_INDEX16_EXT
:
1140 return GL_STENCIL_INDEX
;
1141 case GL_DEPTH_COMPONENT
:
1142 case GL_DEPTH_COMPONENT16
:
1143 case GL_DEPTH_COMPONENT24
:
1144 case GL_DEPTH_COMPONENT32
:
1145 return GL_DEPTH_COMPONENT
;
1146 case GL_DEPTH_STENCIL_EXT
:
1147 case GL_DEPTH24_STENCIL8_EXT
:
1148 if (ctx
->Extensions
.EXT_packed_depth_stencil
)
1149 return GL_DEPTH_STENCIL_EXT
;
1152 case GL_DEPTH_COMPONENT32F
:
1153 if (ctx
->Extensions
.ARB_depth_buffer_float
)
1154 return GL_DEPTH_COMPONENT
;
1157 case GL_DEPTH32F_STENCIL8
:
1158 if (ctx
->Extensions
.ARB_depth_buffer_float
)
1159 return GL_DEPTH_STENCIL
;
1165 return ctx
->Extensions
.ARB_texture_rg
? GL_RED
: 0;
1169 return ctx
->Extensions
.ARB_texture_rg
? GL_RG
: 0;
1170 /* signed normalized texture formats */
1174 return ctx
->Extensions
.EXT_texture_snorm
? GL_RED
: 0;
1178 return ctx
->Extensions
.EXT_texture_snorm
? GL_RG
: 0;
1181 case GL_RGB16_SNORM
:
1182 return ctx
->Extensions
.EXT_texture_snorm
? GL_RGB
: 0;
1184 case GL_RGBA8_SNORM
:
1185 case GL_RGBA16_SNORM
:
1186 return ctx
->Extensions
.EXT_texture_snorm
? GL_RGBA
: 0;
1187 case GL_ALPHA_SNORM
:
1188 case GL_ALPHA8_SNORM
:
1189 case GL_ALPHA16_SNORM
:
1190 return ctx
->Extensions
.EXT_texture_snorm
&&
1191 ctx
->Extensions
.ARB_framebuffer_object
? GL_ALPHA
: 0;
1192 case GL_LUMINANCE_SNORM
:
1193 case GL_LUMINANCE8_SNORM
:
1194 case GL_LUMINANCE16_SNORM
:
1195 return ctx
->Extensions
.EXT_texture_snorm
&&
1196 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1197 case GL_LUMINANCE_ALPHA_SNORM
:
1198 case GL_LUMINANCE8_ALPHA8_SNORM
:
1199 case GL_LUMINANCE16_ALPHA16_SNORM
:
1200 return ctx
->Extensions
.EXT_texture_snorm
&&
1201 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1202 case GL_INTENSITY_SNORM
:
1203 case GL_INTENSITY8_SNORM
:
1204 case GL_INTENSITY16_SNORM
:
1205 return ctx
->Extensions
.EXT_texture_snorm
&&
1206 ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1209 return ctx
->Extensions
.ARB_texture_rg
&&
1210 ctx
->Extensions
.ARB_texture_float
? GL_RED
: 0;
1213 return ctx
->Extensions
.ARB_texture_rg
&&
1214 ctx
->Extensions
.ARB_texture_float
? GL_RG
: 0;
1217 return ctx
->Extensions
.ARB_texture_float
? GL_RGB
: 0;
1220 return ctx
->Extensions
.ARB_texture_float
? GL_RGBA
: 0;
1221 case GL_ALPHA16F_ARB
:
1222 case GL_ALPHA32F_ARB
:
1223 return ctx
->Extensions
.ARB_texture_float
&&
1224 ctx
->Extensions
.ARB_framebuffer_object
? GL_ALPHA
: 0;
1225 case GL_LUMINANCE16F_ARB
:
1226 case GL_LUMINANCE32F_ARB
:
1227 return ctx
->Extensions
.ARB_texture_float
&&
1228 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1229 case GL_LUMINANCE_ALPHA16F_ARB
:
1230 case GL_LUMINANCE_ALPHA32F_ARB
:
1231 return ctx
->Extensions
.ARB_texture_float
&&
1232 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1233 case GL_INTENSITY16F_ARB
:
1234 case GL_INTENSITY32F_ARB
:
1235 return ctx
->Extensions
.ARB_texture_float
&&
1236 ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1238 return ctx
->Extensions
.EXT_texture_shared_exponent
? GL_RGB
: 0;
1239 case GL_R11F_G11F_B10F
:
1240 return ctx
->Extensions
.EXT_packed_float
? GL_RGB
: 0;
1242 case GL_RGBA8UI_EXT
:
1243 case GL_RGBA16UI_EXT
:
1244 case GL_RGBA32UI_EXT
:
1246 case GL_RGBA16I_EXT
:
1247 case GL_RGBA32I_EXT
:
1248 return ctx
->Extensions
.EXT_texture_integer
? GL_RGBA
: 0;
1251 case GL_RGB16UI_EXT
:
1252 case GL_RGB32UI_EXT
:
1256 return ctx
->Extensions
.EXT_texture_integer
? GL_RGB
: 0;
1264 return ctx
->Extensions
.ARB_texture_rg
&&
1265 ctx
->Extensions
.EXT_texture_integer
? GL_RED
: 0;
1273 return ctx
->Extensions
.ARB_texture_rg
&&
1274 ctx
->Extensions
.EXT_texture_integer
? GL_RG
: 0;
1276 case GL_INTENSITY8I_EXT
:
1277 case GL_INTENSITY8UI_EXT
:
1278 case GL_INTENSITY16I_EXT
:
1279 case GL_INTENSITY16UI_EXT
:
1280 case GL_INTENSITY32I_EXT
:
1281 case GL_INTENSITY32UI_EXT
:
1282 return ctx
->Extensions
.EXT_texture_integer
&&
1283 ctx
->Extensions
.ARB_framebuffer_object
? GL_INTENSITY
: 0;
1285 case GL_LUMINANCE8I_EXT
:
1286 case GL_LUMINANCE8UI_EXT
:
1287 case GL_LUMINANCE16I_EXT
:
1288 case GL_LUMINANCE16UI_EXT
:
1289 case GL_LUMINANCE32I_EXT
:
1290 case GL_LUMINANCE32UI_EXT
:
1291 return ctx
->Extensions
.EXT_texture_integer
&&
1292 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE
: 0;
1294 case GL_LUMINANCE_ALPHA8I_EXT
:
1295 case GL_LUMINANCE_ALPHA8UI_EXT
:
1296 case GL_LUMINANCE_ALPHA16I_EXT
:
1297 case GL_LUMINANCE_ALPHA16UI_EXT
:
1298 case GL_LUMINANCE_ALPHA32I_EXT
:
1299 case GL_LUMINANCE_ALPHA32UI_EXT
:
1300 return ctx
->Extensions
.EXT_texture_integer
&&
1301 ctx
->Extensions
.ARB_framebuffer_object
? GL_LUMINANCE_ALPHA
: 0;
1309 * Invalidate a renderbuffer attachment. Called from _mesa_HashWalk().
1312 invalidate_rb(GLuint key
, void *data
, void *userData
)
1314 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) data
;
1315 struct gl_renderbuffer
*rb
= (struct gl_renderbuffer
*) userData
;
1317 /* If this is a user-created FBO */
1318 if (is_user_fbo(fb
)) {
1320 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
1321 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
1322 if (att
->Type
== GL_RENDERBUFFER
&&
1323 att
->Renderbuffer
== rb
) {
1324 /* Mark fb status as indeterminate to force re-validation */
1333 /** sentinal value, see below */
1334 #define NO_SAMPLES 1000
1338 * Helper function used by _mesa_RenderbufferStorageEXT() and
1339 * _mesa_RenderbufferStorageMultisample().
1340 * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorageEXT().
1343 renderbuffer_storage(GLenum target
, GLenum internalFormat
,
1344 GLsizei width
, GLsizei height
, GLsizei samples
)
1346 const char *func
= samples
== NO_SAMPLES
?
1347 "glRenderbufferStorage" : "RenderbufferStorageMultisample";
1348 struct gl_renderbuffer
*rb
;
1350 GET_CURRENT_CONTEXT(ctx
);
1352 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1354 if (target
!= GL_RENDERBUFFER_EXT
) {
1355 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(target)", func
);
1359 baseFormat
= _mesa_base_fbo_format(ctx
, internalFormat
);
1360 if (baseFormat
== 0) {
1361 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(internalFormat)", func
);
1365 if (width
< 0 || width
> (GLsizei
) ctx
->Const
.MaxRenderbufferSize
) {
1366 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(width)", func
);
1370 if (height
< 0 || height
> (GLsizei
) ctx
->Const
.MaxRenderbufferSize
) {
1371 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(height)", func
);
1375 if (samples
== NO_SAMPLES
) {
1376 /* NumSamples == 0 indicates non-multisampling */
1379 else if (samples
> (GLsizei
) ctx
->Const
.MaxSamples
) {
1380 /* note: driver may choose to use more samples than what's requested */
1381 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(samples)", func
);
1385 rb
= ctx
->CurrentRenderbuffer
;
1387 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s", func
);
1391 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1393 if (rb
->InternalFormat
== internalFormat
&&
1394 rb
->Width
== (GLuint
) width
&&
1395 rb
->Height
== (GLuint
) height
) {
1396 /* no change in allocation needed */
1400 /* These MUST get set by the AllocStorage func */
1401 rb
->Format
= MESA_FORMAT_NONE
;
1402 rb
->NumSamples
= samples
;
1404 /* Now allocate the storage */
1405 ASSERT(rb
->AllocStorage
);
1406 if (rb
->AllocStorage(ctx
, rb
, internalFormat
, width
, height
)) {
1407 /* No error - check/set fields now */
1408 assert(rb
->Format
!= MESA_FORMAT_NONE
);
1409 assert(rb
->Width
== (GLuint
) width
);
1410 assert(rb
->Height
== (GLuint
) height
);
1411 rb
->InternalFormat
= internalFormat
;
1412 rb
->_BaseFormat
= baseFormat
;
1413 assert(rb
->_BaseFormat
!= 0);
1416 /* Probably ran out of memory - clear the fields */
1419 rb
->Format
= MESA_FORMAT_NONE
;
1420 rb
->InternalFormat
= GL_NONE
;
1421 rb
->_BaseFormat
= GL_NONE
;
1425 /* Invalidate the framebuffers the renderbuffer is attached in. */
1426 if (rb
->AttachedAnytime
) {
1427 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, invalidate_rb
, rb
);
1432 #if FEATURE_OES_EGL_image
1434 _mesa_EGLImageTargetRenderbufferStorageOES(GLenum target
, GLeglImageOES image
)
1436 struct gl_renderbuffer
*rb
;
1437 GET_CURRENT_CONTEXT(ctx
);
1438 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1440 if (!ctx
->Extensions
.OES_EGL_image
) {
1441 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1442 "glEGLImageTargetRenderbufferStorageOES(unsupported)");
1446 if (target
!= GL_RENDERBUFFER
) {
1447 _mesa_error(ctx
, GL_INVALID_ENUM
,
1448 "EGLImageTargetRenderbufferStorageOES");
1452 rb
= ctx
->CurrentRenderbuffer
;
1454 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1455 "EGLImageTargetRenderbufferStorageOES");
1459 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1461 ctx
->Driver
.EGLImageTargetRenderbufferStorage(ctx
, rb
, image
);
1467 * Helper function for _mesa_GetRenderbufferParameterivEXT() and
1468 * _mesa_GetFramebufferAttachmentParameterivEXT()
1469 * We have to be careful to respect the base format. For example, if a
1470 * renderbuffer/texture was created with internalFormat=GL_RGB but the
1471 * driver actually chose a GL_RGBA format, when the user queries ALPHA_SIZE
1472 * we need to return zero.
1475 get_component_bits(GLenum pname
, GLenum baseFormat
, gl_format format
)
1478 case GL_RENDERBUFFER_RED_SIZE_EXT
:
1479 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE
:
1480 if (baseFormat
== GL_RGB
|| baseFormat
== GL_RGBA
||
1481 baseFormat
== GL_RG
|| baseFormat
== GL_RED
)
1482 return _mesa_get_format_bits(format
, pname
);
1485 case GL_RENDERBUFFER_GREEN_SIZE_EXT
:
1486 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE
:
1487 if (baseFormat
== GL_RGB
|| baseFormat
== GL_RGBA
|| baseFormat
== GL_RG
)
1488 return _mesa_get_format_bits(format
, pname
);
1491 case GL_RENDERBUFFER_BLUE_SIZE_EXT
:
1492 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE
:
1493 if (baseFormat
== GL_RGB
|| baseFormat
== GL_RGBA
)
1494 return _mesa_get_format_bits(format
, pname
);
1497 case GL_RENDERBUFFER_ALPHA_SIZE_EXT
:
1498 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE
:
1499 if (baseFormat
== GL_RGBA
|| baseFormat
== GL_ALPHA
||
1500 baseFormat
== GL_LUMINANCE_ALPHA
)
1501 return _mesa_get_format_bits(format
, pname
);
1504 case GL_RENDERBUFFER_DEPTH_SIZE_EXT
:
1505 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE
:
1506 if (baseFormat
== GL_DEPTH_COMPONENT
|| baseFormat
== GL_DEPTH_STENCIL
)
1507 return _mesa_get_format_bits(format
, pname
);
1510 case GL_RENDERBUFFER_STENCIL_SIZE_EXT
:
1511 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE
:
1512 if (baseFormat
== GL_STENCIL_INDEX
|| baseFormat
== GL_DEPTH_STENCIL
)
1513 return _mesa_get_format_bits(format
, pname
);
1524 _mesa_RenderbufferStorageEXT(GLenum target
, GLenum internalFormat
,
1525 GLsizei width
, GLsizei height
)
1527 /* GL_ARB_fbo says calling this function is equivalent to calling
1528 * glRenderbufferStorageMultisample() with samples=0. We pass in
1529 * a token value here just for error reporting purposes.
1531 renderbuffer_storage(target
, internalFormat
, width
, height
, NO_SAMPLES
);
1536 _mesa_RenderbufferStorageMultisample(GLenum target
, GLsizei samples
,
1537 GLenum internalFormat
,
1538 GLsizei width
, GLsizei height
)
1540 renderbuffer_storage(target
, internalFormat
, width
, height
, samples
);
1545 * OpenGL ES version of glRenderBufferStorage.
1548 _es_RenderbufferStorageEXT(GLenum target
, GLenum internalFormat
,
1549 GLsizei width
, GLsizei height
)
1551 switch (internalFormat
) {
1553 /* XXX this confuses GL_RENDERBUFFER_INTERNAL_FORMAT_OES */
1554 /* choose a closest format */
1555 internalFormat
= GL_RGB5
;
1561 renderbuffer_storage(target
, internalFormat
, width
, height
, 0);
1566 _mesa_GetRenderbufferParameterivEXT(GLenum target
, GLenum pname
, GLint
*params
)
1568 struct gl_renderbuffer
*rb
;
1569 GET_CURRENT_CONTEXT(ctx
);
1571 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1573 if (target
!= GL_RENDERBUFFER_EXT
) {
1574 _mesa_error(ctx
, GL_INVALID_ENUM
,
1575 "glGetRenderbufferParameterivEXT(target)");
1579 rb
= ctx
->CurrentRenderbuffer
;
1581 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1582 "glGetRenderbufferParameterivEXT");
1586 /* No need to flush here since we're just quering state which is
1587 * not effected by rendering.
1591 case GL_RENDERBUFFER_WIDTH_EXT
:
1592 *params
= rb
->Width
;
1594 case GL_RENDERBUFFER_HEIGHT_EXT
:
1595 *params
= rb
->Height
;
1597 case GL_RENDERBUFFER_INTERNAL_FORMAT_EXT
:
1598 *params
= rb
->InternalFormat
;
1600 case GL_RENDERBUFFER_RED_SIZE_EXT
:
1601 case GL_RENDERBUFFER_GREEN_SIZE_EXT
:
1602 case GL_RENDERBUFFER_BLUE_SIZE_EXT
:
1603 case GL_RENDERBUFFER_ALPHA_SIZE_EXT
:
1604 case GL_RENDERBUFFER_DEPTH_SIZE_EXT
:
1605 case GL_RENDERBUFFER_STENCIL_SIZE_EXT
:
1606 *params
= get_component_bits(pname
, rb
->_BaseFormat
, rb
->Format
);
1608 case GL_RENDERBUFFER_SAMPLES
:
1609 if (ctx
->Extensions
.ARB_framebuffer_object
) {
1610 *params
= rb
->NumSamples
;
1615 _mesa_error(ctx
, GL_INVALID_ENUM
,
1616 "glGetRenderbufferParameterivEXT(target)");
1622 GLboolean GLAPIENTRY
1623 _mesa_IsFramebufferEXT(GLuint framebuffer
)
1625 GET_CURRENT_CONTEXT(ctx
);
1626 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, GL_FALSE
);
1628 struct gl_framebuffer
*rb
= _mesa_lookup_framebuffer(ctx
, framebuffer
);
1629 if (rb
!= NULL
&& rb
!= &DummyFramebuffer
)
1637 * Check if any of the attachments of the given framebuffer are textures
1638 * (render to texture). Call ctx->Driver.RenderTexture() for such
1642 check_begin_texture_render(struct gl_context
*ctx
, struct gl_framebuffer
*fb
)
1645 ASSERT(ctx
->Driver
.RenderTexture
);
1647 if (is_winsys_fbo(fb
))
1648 return; /* can't render to texture with winsys framebuffers */
1650 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
1651 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
1652 if (att
->Texture
&& _mesa_get_attachment_teximage(att
)) {
1653 ctx
->Driver
.RenderTexture(ctx
, fb
, att
);
1660 * Examine all the framebuffer's attachments to see if any are textures.
1661 * If so, call ctx->Driver.FinishRenderTexture() for each texture to
1662 * notify the device driver that the texture image may have changed.
1665 check_end_texture_render(struct gl_context
*ctx
, struct gl_framebuffer
*fb
)
1667 if (is_winsys_fbo(fb
))
1668 return; /* can't render to texture with winsys framebuffers */
1670 if (ctx
->Driver
.FinishRenderTexture
) {
1672 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
1673 struct gl_renderbuffer_attachment
*att
= fb
->Attachment
+ i
;
1674 if (att
->Texture
&& att
->Renderbuffer
) {
1675 ctx
->Driver
.FinishRenderTexture(ctx
, att
);
1683 _mesa_BindFramebufferEXT(GLenum target
, GLuint framebuffer
)
1685 struct gl_framebuffer
*newDrawFb
, *newReadFb
;
1686 struct gl_framebuffer
*oldDrawFb
, *oldReadFb
;
1687 GLboolean bindReadBuf
, bindDrawBuf
;
1688 GET_CURRENT_CONTEXT(ctx
);
1691 if (ctx
->Extensions
.ARB_framebuffer_object
) {
1692 ASSERT(ctx
->Extensions
.EXT_framebuffer_object
);
1693 ASSERT(ctx
->Extensions
.EXT_framebuffer_blit
);
1697 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1699 if (!ctx
->Extensions
.EXT_framebuffer_object
) {
1700 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1701 "glBindFramebufferEXT(unsupported)");
1706 #if FEATURE_EXT_framebuffer_blit
1707 case GL_DRAW_FRAMEBUFFER_EXT
:
1708 if (!ctx
->Extensions
.EXT_framebuffer_blit
) {
1709 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindFramebufferEXT(target)");
1712 bindDrawBuf
= GL_TRUE
;
1713 bindReadBuf
= GL_FALSE
;
1715 case GL_READ_FRAMEBUFFER_EXT
:
1716 if (!ctx
->Extensions
.EXT_framebuffer_blit
) {
1717 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindFramebufferEXT(target)");
1720 bindDrawBuf
= GL_FALSE
;
1721 bindReadBuf
= GL_TRUE
;
1724 case GL_FRAMEBUFFER_EXT
:
1725 bindDrawBuf
= GL_TRUE
;
1726 bindReadBuf
= GL_TRUE
;
1729 _mesa_error(ctx
, GL_INVALID_ENUM
, "glBindFramebufferEXT(target)");
1734 /* Binding a user-created framebuffer object */
1735 newDrawFb
= _mesa_lookup_framebuffer(ctx
, framebuffer
);
1736 if (newDrawFb
== &DummyFramebuffer
) {
1737 /* ID was reserved, but no real framebuffer object made yet */
1740 else if (!newDrawFb
&& ctx
->Extensions
.ARB_framebuffer_object
) {
1741 /* All FBO IDs must be Gen'd */
1742 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBindFramebuffer(buffer)");
1747 /* create new framebuffer object */
1748 newDrawFb
= ctx
->Driver
.NewFramebuffer(ctx
, framebuffer
);
1750 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glBindFramebufferEXT");
1753 _mesa_HashInsert(ctx
->Shared
->FrameBuffers
, framebuffer
, newDrawFb
);
1755 newReadFb
= newDrawFb
;
1758 /* Binding the window system framebuffer (which was originally set
1759 * with MakeCurrent).
1761 newDrawFb
= ctx
->WinSysDrawBuffer
;
1762 newReadFb
= ctx
->WinSysReadBuffer
;
1766 ASSERT(newDrawFb
!= &DummyFramebuffer
);
1768 /* save pointers to current/old framebuffers */
1769 oldDrawFb
= ctx
->DrawBuffer
;
1770 oldReadFb
= ctx
->ReadBuffer
;
1772 /* check if really changing bindings */
1773 if (oldDrawFb
== newDrawFb
)
1774 bindDrawBuf
= GL_FALSE
;
1775 if (oldReadFb
== newReadFb
)
1776 bindReadBuf
= GL_FALSE
;
1779 * OK, now bind the new Draw/Read framebuffers, if they're changing.
1781 * We also check if we're beginning and/or ending render-to-texture.
1782 * When a framebuffer with texture attachments is unbound, call
1783 * ctx->Driver.FinishRenderTexture().
1784 * When a framebuffer with texture attachments is bound, call
1785 * ctx->Driver.RenderTexture().
1787 * Note that if the ReadBuffer has texture attachments we don't consider
1788 * that a render-to-texture case.
1791 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1793 /* check if old readbuffer was render-to-texture */
1794 check_end_texture_render(ctx
, oldReadFb
);
1796 _mesa_reference_framebuffer(&ctx
->ReadBuffer
, newReadFb
);
1800 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1802 /* check if old read/draw buffers were render-to-texture */
1804 check_end_texture_render(ctx
, oldReadFb
);
1806 if (oldDrawFb
!= oldReadFb
)
1807 check_end_texture_render(ctx
, oldDrawFb
);
1809 /* check if newly bound framebuffer has any texture attachments */
1810 check_begin_texture_render(ctx
, newDrawFb
);
1812 _mesa_reference_framebuffer(&ctx
->DrawBuffer
, newDrawFb
);
1815 if ((bindDrawBuf
|| bindReadBuf
) && ctx
->Driver
.BindFramebuffer
) {
1816 ctx
->Driver
.BindFramebuffer(ctx
, target
, newDrawFb
, newReadFb
);
1822 _mesa_DeleteFramebuffersEXT(GLsizei n
, const GLuint
*framebuffers
)
1825 GET_CURRENT_CONTEXT(ctx
);
1827 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1828 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
1830 for (i
= 0; i
< n
; i
++) {
1831 if (framebuffers
[i
] > 0) {
1832 struct gl_framebuffer
*fb
;
1833 fb
= _mesa_lookup_framebuffer(ctx
, framebuffers
[i
]);
1835 ASSERT(fb
== &DummyFramebuffer
|| fb
->Name
== framebuffers
[i
]);
1837 /* check if deleting currently bound framebuffer object */
1838 if (ctx
->Extensions
.EXT_framebuffer_blit
) {
1839 /* separate draw/read binding points */
1840 if (fb
== ctx
->DrawBuffer
) {
1842 ASSERT(fb
->RefCount
>= 2);
1843 _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT
, 0);
1845 if (fb
== ctx
->ReadBuffer
) {
1847 ASSERT(fb
->RefCount
>= 2);
1848 _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT
, 0);
1852 /* only one binding point for read/draw buffers */
1853 if (fb
== ctx
->DrawBuffer
|| fb
== ctx
->ReadBuffer
) {
1855 ASSERT(fb
->RefCount
>= 2);
1856 _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT
, 0);
1860 /* remove from hash table immediately, to free the ID */
1861 _mesa_HashRemove(ctx
->Shared
->FrameBuffers
, framebuffers
[i
]);
1863 if (fb
!= &DummyFramebuffer
) {
1864 /* But the object will not be freed until it's no longer
1865 * bound in any context.
1867 _mesa_reference_framebuffer(&fb
, NULL
);
1876 _mesa_GenFramebuffersEXT(GLsizei n
, GLuint
*framebuffers
)
1878 GET_CURRENT_CONTEXT(ctx
);
1882 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1885 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGenFramebuffersEXT(n)");
1892 first
= _mesa_HashFindFreeKeyBlock(ctx
->Shared
->FrameBuffers
, n
);
1894 for (i
= 0; i
< n
; i
++) {
1895 GLuint name
= first
+ i
;
1896 framebuffers
[i
] = name
;
1897 /* insert dummy placeholder into hash table */
1898 _glthread_LOCK_MUTEX(ctx
->Shared
->Mutex
);
1899 _mesa_HashInsert(ctx
->Shared
->FrameBuffers
, name
, &DummyFramebuffer
);
1900 _glthread_UNLOCK_MUTEX(ctx
->Shared
->Mutex
);
1907 _mesa_CheckFramebufferStatusEXT(GLenum target
)
1909 struct gl_framebuffer
*buffer
;
1910 GET_CURRENT_CONTEXT(ctx
);
1912 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1914 buffer
= get_framebuffer_target(ctx
, target
);
1916 _mesa_error(ctx
, GL_INVALID_ENUM
, "glCheckFramebufferStatus(target)");
1920 if (is_winsys_fbo(buffer
)) {
1921 /* The window system / default framebuffer is always complete */
1922 return GL_FRAMEBUFFER_COMPLETE_EXT
;
1925 /* No need to flush here */
1927 if (buffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE
) {
1928 _mesa_test_framebuffer_completeness(ctx
, buffer
);
1931 return buffer
->_Status
;
1935 * Replicate the src attachment point. Used by framebuffer_texture() when
1936 * the same texture is attached at GL_DEPTH_ATTACHMENT and
1937 * GL_STENCIL_ATTACHMENT.
1940 reuse_framebuffer_texture_attachment(struct gl_framebuffer
*fb
,
1941 gl_buffer_index dst
,
1942 gl_buffer_index src
)
1944 struct gl_renderbuffer_attachment
*dst_att
= &fb
->Attachment
[dst
];
1945 struct gl_renderbuffer_attachment
*src_att
= &fb
->Attachment
[src
];
1947 assert(src_att
->Texture
!= NULL
);
1948 assert (src_att
->Renderbuffer
!= NULL
);
1950 _mesa_reference_texobj(&dst_att
->Texture
, src_att
->Texture
);
1951 _mesa_reference_renderbuffer(&dst_att
->Renderbuffer
, src_att
->Renderbuffer
);
1952 dst_att
->Type
= src_att
->Type
;
1953 dst_att
->Complete
= src_att
->Complete
;
1954 dst_att
->TextureLevel
= src_att
->TextureLevel
;
1955 dst_att
->Zoffset
= src_att
->Zoffset
;
1959 * Common code called by glFramebufferTexture1D/2D/3DEXT().
1962 framebuffer_texture(struct gl_context
*ctx
, const char *caller
, GLenum target
,
1963 GLenum attachment
, GLenum textarget
, GLuint texture
,
1964 GLint level
, GLint zoffset
)
1966 struct gl_renderbuffer_attachment
*att
;
1967 struct gl_texture_object
*texObj
= NULL
;
1968 struct gl_framebuffer
*fb
;
1970 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1972 fb
= get_framebuffer_target(ctx
, target
);
1974 _mesa_error(ctx
, GL_INVALID_ENUM
,
1975 "glFramebufferTexture%sEXT(target=0x%x)", caller
, target
);
1979 /* check framebuffer binding */
1980 if (is_winsys_fbo(fb
)) {
1981 _mesa_error(ctx
, GL_INVALID_OPERATION
,
1982 "glFramebufferTexture%sEXT", caller
);
1987 /* The textarget, level, and zoffset parameters are only validated if
1988 * texture is non-zero.
1991 GLboolean err
= GL_TRUE
;
1993 texObj
= _mesa_lookup_texture(ctx
, texture
);
1994 if (texObj
!= NULL
) {
1995 if (textarget
== 0) {
1996 /* XXX what's the purpose of this? */
1997 err
= (texObj
->Target
!= GL_TEXTURE_3D
) &&
1998 (texObj
->Target
!= GL_TEXTURE_1D_ARRAY_EXT
) &&
1999 (texObj
->Target
!= GL_TEXTURE_2D_ARRAY_EXT
);
2002 err
= (texObj
->Target
== GL_TEXTURE_CUBE_MAP
)
2003 ? !_mesa_is_cube_face(textarget
)
2004 : (texObj
->Target
!= textarget
);
2008 /* can't render to a non-existant texture */
2009 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2010 "glFramebufferTexture%sEXT(non existant texture)",
2016 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2017 "glFramebufferTexture%sEXT(texture target mismatch)",
2022 if (texObj
->Target
== GL_TEXTURE_3D
) {
2023 const GLint maxSize
= 1 << (ctx
->Const
.Max3DTextureLevels
- 1);
2024 if (zoffset
< 0 || zoffset
>= maxSize
) {
2025 _mesa_error(ctx
, GL_INVALID_VALUE
,
2026 "glFramebufferTexture%sEXT(zoffset)", caller
);
2030 else if ((texObj
->Target
== GL_TEXTURE_1D_ARRAY_EXT
) ||
2031 (texObj
->Target
== GL_TEXTURE_2D_ARRAY_EXT
)) {
2032 if (zoffset
< 0 || zoffset
>= ctx
->Const
.MaxArrayTextureLayers
) {
2033 _mesa_error(ctx
, GL_INVALID_VALUE
,
2034 "glFramebufferTexture%sEXT(layer)", caller
);
2040 (level
>= _mesa_max_texture_levels(ctx
, texObj
->Target
))) {
2041 _mesa_error(ctx
, GL_INVALID_VALUE
,
2042 "glFramebufferTexture%sEXT(level)", caller
);
2047 att
= _mesa_get_attachment(ctx
, fb
, attachment
);
2049 _mesa_error(ctx
, GL_INVALID_ENUM
,
2050 "glFramebufferTexture%sEXT(attachment)", caller
);
2054 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2056 _glthread_LOCK_MUTEX(fb
->Mutex
);
2058 if (attachment
== GL_DEPTH_ATTACHMENT
&&
2059 texObj
== fb
->Attachment
[BUFFER_STENCIL
].Texture
) {
2060 /* The texture object is already attached to the stencil attachment
2061 * point. Don't create a new renderbuffer; just reuse the stencil
2062 * attachment's. This is required to prevent a GL error in
2063 * glGetFramebufferAttachmentParameteriv(GL_DEPTH_STENCIL).
2065 reuse_framebuffer_texture_attachment(fb
, BUFFER_DEPTH
,
2067 } else if (attachment
== GL_STENCIL_ATTACHMENT
&&
2068 texObj
== fb
->Attachment
[BUFFER_DEPTH
].Texture
) {
2069 /* As above, but with depth and stencil juxtasposed. */
2070 reuse_framebuffer_texture_attachment(fb
, BUFFER_STENCIL
,
2073 _mesa_set_texture_attachment(ctx
, fb
, att
, texObj
, textarget
,
2075 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
2076 /* Above we created a new renderbuffer and attached it to the
2077 * depth attachment point. Now attach it to the stencil attachment
2080 assert(att
== &fb
->Attachment
[BUFFER_DEPTH
]);
2081 reuse_framebuffer_texture_attachment(fb
,BUFFER_STENCIL
,
2086 /* Set the render-to-texture flag. We'll check this flag in
2087 * glTexImage() and friends to determine if we need to revalidate
2088 * any FBOs that might be rendering into this texture.
2089 * This flag never gets cleared since it's non-trivial to determine
2090 * when all FBOs might be done rendering to this texture. That's OK
2091 * though since it's uncommon to render to a texture then repeatedly
2092 * call glTexImage() to change images in the texture.
2094 texObj
->_RenderToTexture
= GL_TRUE
;
2097 _mesa_remove_attachment(ctx
, att
);
2098 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
2099 assert(att
== &fb
->Attachment
[BUFFER_DEPTH
]);
2100 _mesa_remove_attachment(ctx
, &fb
->Attachment
[BUFFER_STENCIL
]);
2104 invalidate_framebuffer(fb
);
2106 _glthread_UNLOCK_MUTEX(fb
->Mutex
);
2112 _mesa_FramebufferTexture1DEXT(GLenum target
, GLenum attachment
,
2113 GLenum textarget
, GLuint texture
, GLint level
)
2115 GET_CURRENT_CONTEXT(ctx
);
2120 switch (textarget
) {
2124 case GL_TEXTURE_1D_ARRAY
:
2125 error
= !ctx
->Extensions
.EXT_texture_array
;
2132 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2133 "glFramebufferTexture1DEXT(textarget=%s)",
2134 _mesa_lookup_enum_by_nr(textarget
));
2139 framebuffer_texture(ctx
, "1D", target
, attachment
, textarget
, texture
,
2145 _mesa_FramebufferTexture2DEXT(GLenum target
, GLenum attachment
,
2146 GLenum textarget
, GLuint texture
, GLint level
)
2148 GET_CURRENT_CONTEXT(ctx
);
2153 switch (textarget
) {
2157 case GL_TEXTURE_RECTANGLE
:
2158 error
= !ctx
->Extensions
.NV_texture_rectangle
;
2160 case GL_TEXTURE_CUBE_MAP_POSITIVE_X
:
2161 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X
:
2162 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y
:
2163 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
:
2164 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z
:
2165 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
:
2166 error
= !ctx
->Extensions
.ARB_texture_cube_map
;
2168 case GL_TEXTURE_2D_ARRAY
:
2169 error
= !ctx
->Extensions
.EXT_texture_array
;
2176 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2177 "glFramebufferTexture2DEXT(textarget=%s)",
2178 _mesa_lookup_enum_by_nr(textarget
));
2183 framebuffer_texture(ctx
, "2D", target
, attachment
, textarget
, texture
,
2189 _mesa_FramebufferTexture3DEXT(GLenum target
, GLenum attachment
,
2190 GLenum textarget
, GLuint texture
,
2191 GLint level
, GLint zoffset
)
2193 GET_CURRENT_CONTEXT(ctx
);
2195 if ((texture
!= 0) && (textarget
!= GL_TEXTURE_3D
)) {
2196 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2197 "glFramebufferTexture3DEXT(textarget)");
2201 framebuffer_texture(ctx
, "3D", target
, attachment
, textarget
, texture
,
2207 _mesa_FramebufferTextureLayerEXT(GLenum target
, GLenum attachment
,
2208 GLuint texture
, GLint level
, GLint layer
)
2210 GET_CURRENT_CONTEXT(ctx
);
2212 framebuffer_texture(ctx
, "Layer", target
, attachment
, 0, texture
,
2218 _mesa_FramebufferRenderbufferEXT(GLenum target
, GLenum attachment
,
2219 GLenum renderbufferTarget
,
2220 GLuint renderbuffer
)
2222 struct gl_renderbuffer_attachment
*att
;
2223 struct gl_framebuffer
*fb
;
2224 struct gl_renderbuffer
*rb
;
2225 GET_CURRENT_CONTEXT(ctx
);
2227 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2229 fb
= get_framebuffer_target(ctx
, target
);
2231 _mesa_error(ctx
, GL_INVALID_ENUM
, "glFramebufferRenderbufferEXT(target)");
2235 if (renderbufferTarget
!= GL_RENDERBUFFER_EXT
) {
2236 _mesa_error(ctx
, GL_INVALID_ENUM
,
2237 "glFramebufferRenderbufferEXT(renderbufferTarget)");
2241 if (is_winsys_fbo(fb
)) {
2242 /* Can't attach new renderbuffers to a window system framebuffer */
2243 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glFramebufferRenderbufferEXT");
2247 att
= _mesa_get_attachment(ctx
, fb
, attachment
);
2249 _mesa_error(ctx
, GL_INVALID_ENUM
,
2250 "glFramebufferRenderbufferEXT(invalid attachment %s)",
2251 _mesa_lookup_enum_by_nr(attachment
));
2256 rb
= _mesa_lookup_renderbuffer(ctx
, renderbuffer
);
2258 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2259 "glFramebufferRenderbufferEXT(non-existant"
2260 " renderbuffer %u)", renderbuffer
);
2263 else if (rb
== &DummyRenderbuffer
) {
2264 /* This is what NVIDIA does */
2265 _mesa_error(ctx
, GL_INVALID_VALUE
,
2266 "glFramebufferRenderbufferEXT(renderbuffer %u)",
2272 /* remove renderbuffer attachment */
2276 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
&&
2277 rb
&& rb
->Format
!= MESA_FORMAT_NONE
) {
2278 /* make sure the renderbuffer is a depth/stencil format */
2279 const GLenum baseFormat
= _mesa_get_format_base_format(rb
->Format
);
2280 if (baseFormat
!= GL_DEPTH_STENCIL
) {
2281 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2282 "glFramebufferRenderbufferEXT(renderbuffer"
2283 " is not DEPTH_STENCIL format)");
2289 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2291 assert(ctx
->Driver
.FramebufferRenderbuffer
);
2292 ctx
->Driver
.FramebufferRenderbuffer(ctx
, fb
, attachment
, rb
);
2294 /* Some subsequent GL commands may depend on the framebuffer's visual
2295 * after the binding is updated. Update visual info now.
2297 _mesa_update_framebuffer_visual(ctx
, fb
);
2302 _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target
, GLenum attachment
,
2303 GLenum pname
, GLint
*params
)
2305 const struct gl_renderbuffer_attachment
*att
;
2306 struct gl_framebuffer
*buffer
;
2308 GET_CURRENT_CONTEXT(ctx
);
2310 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2312 /* The error differs in GL andd GLES. */
2313 err
= ctx
->API
== API_OPENGL
? GL_INVALID_OPERATION
: GL_INVALID_ENUM
;
2315 buffer
= get_framebuffer_target(ctx
, target
);
2317 _mesa_error(ctx
, GL_INVALID_ENUM
,
2318 "glGetFramebufferAttachmentParameterivEXT(target)");
2322 if (is_winsys_fbo(buffer
)) {
2323 /* Page 126 (page 136 of the PDF) of the OpenGL ES 2.0.25 spec
2326 * "If the framebuffer currently bound to target is zero, then
2327 * INVALID_OPERATION is generated."
2329 * The EXT_framebuffer_object spec has the same wording, and the
2330 * OES_framebuffer_object spec refers to the EXT_framebuffer_object
2333 if (ctx
->API
!= API_OPENGL
|| !ctx
->Extensions
.ARB_framebuffer_object
) {
2334 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2335 "glGetFramebufferAttachmentParameteriv(bound FBO = 0)");
2338 /* the default / window-system FBO */
2339 att
= _mesa_get_fb0_attachment(ctx
, buffer
, attachment
);
2342 /* user-created framebuffer FBO */
2343 att
= _mesa_get_attachment(ctx
, buffer
, attachment
);
2347 _mesa_error(ctx
, GL_INVALID_ENUM
,
2348 "glGetFramebufferAttachmentParameterivEXT(attachment)");
2352 if (attachment
== GL_DEPTH_STENCIL_ATTACHMENT
) {
2353 /* the depth and stencil attachments must point to the same buffer */
2354 const struct gl_renderbuffer_attachment
*depthAtt
, *stencilAtt
;
2355 depthAtt
= _mesa_get_attachment(ctx
, buffer
, GL_DEPTH_ATTACHMENT
);
2356 stencilAtt
= _mesa_get_attachment(ctx
, buffer
, GL_STENCIL_ATTACHMENT
);
2357 if (depthAtt
->Renderbuffer
!= stencilAtt
->Renderbuffer
) {
2358 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2359 "glGetFramebufferAttachmentParameterivEXT(DEPTH/STENCIL"
2360 " attachments differ)");
2365 /* No need to flush here */
2368 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT
:
2369 *params
= is_winsys_fbo(buffer
) ? GL_FRAMEBUFFER_DEFAULT
: att
->Type
;
2371 case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT
:
2372 if (att
->Type
== GL_RENDERBUFFER_EXT
) {
2373 *params
= att
->Renderbuffer
->Name
;
2375 else if (att
->Type
== GL_TEXTURE
) {
2376 *params
= att
->Texture
->Name
;
2379 assert(att
->Type
== GL_NONE
);
2380 if (ctx
->API
== API_OPENGL
) {
2383 _mesa_error(ctx
, GL_INVALID_ENUM
,
2384 "glGetFramebufferAttachmentParameterivEXT(pname)");
2388 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT
:
2389 if (att
->Type
== GL_TEXTURE
) {
2390 *params
= att
->TextureLevel
;
2392 else if (att
->Type
== GL_NONE
) {
2393 _mesa_error(ctx
, err
,
2394 "glGetFramebufferAttachmentParameterivEXT(pname)");
2397 _mesa_error(ctx
, GL_INVALID_ENUM
,
2398 "glGetFramebufferAttachmentParameterivEXT(pname)");
2401 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT
:
2402 if (att
->Type
== GL_TEXTURE
) {
2403 if (att
->Texture
&& att
->Texture
->Target
== GL_TEXTURE_CUBE_MAP
) {
2404 *params
= GL_TEXTURE_CUBE_MAP_POSITIVE_X
+ att
->CubeMapFace
;
2410 else if (att
->Type
== GL_NONE
) {
2411 _mesa_error(ctx
, err
,
2412 "glGetFramebufferAttachmentParameterivEXT(pname)");
2415 _mesa_error(ctx
, GL_INVALID_ENUM
,
2416 "glGetFramebufferAttachmentParameterivEXT(pname)");
2419 case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT
:
2420 if (att
->Type
== GL_TEXTURE
) {
2421 if (att
->Texture
&& att
->Texture
->Target
== GL_TEXTURE_3D
) {
2422 *params
= att
->Zoffset
;
2428 else if (att
->Type
== GL_NONE
) {
2429 _mesa_error(ctx
, err
,
2430 "glGetFramebufferAttachmentParameterivEXT(pname)");
2433 _mesa_error(ctx
, GL_INVALID_ENUM
,
2434 "glGetFramebufferAttachmentParameterivEXT(pname)");
2437 case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING
:
2438 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
2439 _mesa_error(ctx
, GL_INVALID_ENUM
,
2440 "glGetFramebufferAttachmentParameterivEXT(pname)");
2442 else if (att
->Type
== GL_NONE
) {
2443 _mesa_error(ctx
, err
,
2444 "glGetFramebufferAttachmentParameterivEXT(pname)");
2447 if (ctx
->Extensions
.EXT_framebuffer_sRGB
&& ctx
->Const
.sRGBCapable
) {
2448 *params
= _mesa_get_format_color_encoding(att
->Renderbuffer
->Format
);
2451 /* According to ARB_framebuffer_sRGB, we should return LINEAR
2452 * if the sRGB conversion is unsupported. */
2453 *params
= GL_LINEAR
;
2457 case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE
:
2458 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
2459 _mesa_error(ctx
, GL_INVALID_ENUM
,
2460 "glGetFramebufferAttachmentParameterivEXT(pname)");
2463 else if (att
->Type
== GL_NONE
) {
2464 _mesa_error(ctx
, err
,
2465 "glGetFramebufferAttachmentParameterivEXT(pname)");
2468 gl_format format
= att
->Renderbuffer
->Format
;
2469 if (format
== MESA_FORMAT_S8
) {
2473 else if (format
== MESA_FORMAT_Z32_FLOAT_X24S8
) {
2474 /* depends on the attachment parameter */
2475 if (attachment
== GL_STENCIL_ATTACHMENT
) {
2483 *params
= _mesa_get_format_datatype(format
);
2487 case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE
:
2488 case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE
:
2489 case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE
:
2490 case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE
:
2491 case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE
:
2492 case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE
:
2493 if (!ctx
->Extensions
.ARB_framebuffer_object
) {
2494 _mesa_error(ctx
, GL_INVALID_ENUM
,
2495 "glGetFramebufferAttachmentParameterivEXT(pname)");
2497 else if (att
->Type
== GL_NONE
) {
2498 _mesa_error(ctx
, err
,
2499 "glGetFramebufferAttachmentParameterivEXT(pname)");
2501 else if (att
->Texture
) {
2502 const struct gl_texture_image
*texImage
=
2503 _mesa_select_tex_image(ctx
, att
->Texture
, att
->Texture
->Target
,
2506 *params
= get_component_bits(pname
, texImage
->_BaseFormat
,
2507 texImage
->TexFormat
);
2513 else if (att
->Renderbuffer
) {
2514 *params
= get_component_bits(pname
, att
->Renderbuffer
->_BaseFormat
,
2515 att
->Renderbuffer
->Format
);
2518 _mesa_problem(ctx
, "glGetFramebufferAttachmentParameterivEXT:"
2519 " invalid FBO attachment structure");
2523 _mesa_error(ctx
, GL_INVALID_ENUM
,
2524 "glGetFramebufferAttachmentParameterivEXT(pname)");
2531 _mesa_GenerateMipmapEXT(GLenum target
)
2533 struct gl_texture_image
*srcImage
;
2534 struct gl_texture_object
*texObj
;
2537 GET_CURRENT_CONTEXT(ctx
);
2539 ASSERT_OUTSIDE_BEGIN_END(ctx
);
2540 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
2548 case GL_TEXTURE_CUBE_MAP
:
2549 error
= !ctx
->Extensions
.ARB_texture_cube_map
;
2551 case GL_TEXTURE_1D_ARRAY
:
2552 case GL_TEXTURE_2D_ARRAY
:
2553 error
= !ctx
->Extensions
.EXT_texture_array
;
2560 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGenerateMipmapEXT(target=%s)",
2561 _mesa_lookup_enum_by_nr(target
));
2565 texObj
= _mesa_get_current_tex_object(ctx
, target
);
2567 if (texObj
->BaseLevel
>= texObj
->MaxLevel
) {
2572 if (texObj
->Target
== GL_TEXTURE_CUBE_MAP
&&
2573 !_mesa_cube_complete(texObj
)) {
2574 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2575 "glGenerateMipmap(incomplete cube map)");
2579 _mesa_lock_texture(ctx
, texObj
);
2581 srcImage
= _mesa_select_tex_image(ctx
, texObj
, target
, texObj
->BaseLevel
);
2583 _mesa_unlock_texture(ctx
, texObj
);
2587 if (target
== GL_TEXTURE_CUBE_MAP
) {
2589 for (face
= 0; face
< 6; face
++)
2590 ctx
->Driver
.GenerateMipmap(ctx
,
2591 GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
+ face
,
2595 ctx
->Driver
.GenerateMipmap(ctx
, target
, texObj
);
2597 _mesa_unlock_texture(ctx
, texObj
);
2601 #if FEATURE_EXT_framebuffer_blit
2603 static const struct gl_renderbuffer_attachment
*
2604 find_attachment(const struct gl_framebuffer
*fb
,
2605 const struct gl_renderbuffer
*rb
)
2608 for (i
= 0; i
< Elements(fb
->Attachment
); i
++) {
2609 if (fb
->Attachment
[i
].Renderbuffer
== rb
)
2610 return &fb
->Attachment
[i
];
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
;
2702 colorReadRb
= colorDrawRb
= NULL
;
2705 if (mask
& GL_STENCIL_BUFFER_BIT
) {
2706 struct gl_renderbuffer
*readRb
= readFb
->_StencilBuffer
;
2707 struct gl_renderbuffer
*drawRb
= drawFb
->_StencilBuffer
;
2709 /* From the EXT_framebuffer_object spec:
2711 * "If a buffer is specified in <mask> and does not exist in both
2712 * the read and draw framebuffers, the corresponding bit is silently
2715 if ((readRb
== NULL
) || (drawRb
== NULL
)) {
2716 readRb
= drawRb
= NULL
;
2717 mask
&= ~GL_STENCIL_BUFFER_BIT
;
2719 else if (_mesa_get_format_bits(readRb
->Format
, GL_STENCIL_BITS
) !=
2720 _mesa_get_format_bits(drawRb
->Format
, GL_STENCIL_BITS
)) {
2721 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2722 "glBlitFramebufferEXT(stencil buffer size mismatch)");
2727 if (mask
& GL_DEPTH_BUFFER_BIT
) {
2728 struct gl_renderbuffer
*readRb
= readFb
->_DepthBuffer
;
2729 struct gl_renderbuffer
*drawRb
= drawFb
->_DepthBuffer
;
2731 /* From the EXT_framebuffer_object spec:
2733 * "If a buffer is specified in <mask> and does not exist in both
2734 * the read and draw framebuffers, the corresponding bit is silently
2737 if ((readRb
== NULL
) || (drawRb
== NULL
)) {
2738 readRb
= drawRb
= NULL
;
2739 mask
&= ~GL_DEPTH_BUFFER_BIT
;
2741 else if (_mesa_get_format_bits(readRb
->Format
, GL_DEPTH_BITS
) !=
2742 _mesa_get_format_bits(drawRb
->Format
, GL_DEPTH_BITS
)) {
2743 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2744 "glBlitFramebufferEXT(depth buffer size mismatch)");
2749 if (readFb
->Visual
.samples
> 0 &&
2750 drawFb
->Visual
.samples
> 0 &&
2751 readFb
->Visual
.samples
!= drawFb
->Visual
.samples
) {
2752 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2753 "glBlitFramebufferEXT(mismatched samples");
2757 /* extra checks for multisample copies... */
2758 if (readFb
->Visual
.samples
> 0 || drawFb
->Visual
.samples
> 0) {
2759 /* src and dest region sizes must be the same */
2760 if (srcX1
- srcX0
!= dstX1
- dstX0
||
2761 srcY1
- srcY0
!= dstY1
- dstY0
) {
2762 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2763 "glBlitFramebufferEXT(bad src/dst multisample region sizes)");
2767 /* color formats must match */
2770 colorReadRb
->Format
!= colorDrawRb
->Format
) {
2771 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2772 "glBlitFramebufferEXT(bad src/dst multisample pixel formats)");
2777 if (!ctx
->Extensions
.EXT_framebuffer_blit
) {
2778 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glBlitFramebufferEXT");
2784 printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d,"
2786 srcX0
, srcY0
, srcX1
, srcY1
,
2787 dstX0
, dstY0
, dstX1
, dstY1
,
2790 const struct gl_renderbuffer_attachment
*att
;
2792 att
= find_attachment(readFb
, colorReadRb
);
2793 printf(" Src FBO %u RB %u (%dx%d) ",
2794 readFb
->Name
, colorReadRb
->Name
,
2795 colorReadRb
->Width
, colorReadRb
->Height
);
2796 if (att
&& att
->Texture
) {
2797 printf("Tex %u tgt 0x%x level %u face %u",
2799 att
->Texture
->Target
,
2805 att
= find_attachment(drawFb
, colorDrawRb
);
2806 printf(" Dst FBO %u RB %u (%dx%d) ",
2807 drawFb
->Name
, colorDrawRb
->Name
,
2808 colorDrawRb
->Width
, colorDrawRb
->Height
);
2809 if (att
&& att
->Texture
) {
2810 printf("Tex %u tgt 0x%x level %u face %u",
2812 att
->Texture
->Target
,
2824 ASSERT(ctx
->Driver
.BlitFramebuffer
);
2825 ctx
->Driver
.BlitFramebuffer(ctx
,
2826 srcX0
, srcY0
, srcX1
, srcY1
,
2827 dstX0
, dstY0
, dstX1
, dstY1
,
2830 #endif /* FEATURE_EXT_framebuffer_blit */
2832 #if FEATURE_ARB_geometry_shader4
2834 _mesa_FramebufferTextureARB(GLenum target
, GLenum attachment
,
2835 GLuint texture
, GLint level
)
2837 GET_CURRENT_CONTEXT(ctx
);
2838 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2839 "glFramebufferTextureARB "
2840 "not implemented!");
2844 _mesa_FramebufferTextureFaceARB(GLenum target
, GLenum attachment
,
2845 GLuint texture
, GLint level
, GLenum face
)
2847 GET_CURRENT_CONTEXT(ctx
);
2848 _mesa_error(ctx
, GL_INVALID_OPERATION
,
2849 "glFramebufferTextureFaceARB "
2850 "not implemented!");
2852 #endif /* FEATURE_ARB_geometry_shader4 */