1 /**************************************************************************
3 * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "main/enums.h"
30 #include "main/imports.h"
31 #include "main/macros.h"
32 #include "main/mtypes.h"
33 #include "main/fbobject.h"
34 #include "main/framebuffer.h"
35 #include "main/renderbuffer.h"
36 #include "main/context.h"
37 #include "main/teximage.h"
38 #include "main/image.h"
40 #include "swrast/swrast.h"
41 #include "drivers/common/meta.h"
43 #include "intel_context.h"
44 #include "intel_batchbuffer.h"
45 #include "intel_buffers.h"
46 #include "intel_blit.h"
47 #include "intel_fbo.h"
48 #include "intel_mipmap_tree.h"
49 #include "intel_regions.h"
50 #include "intel_tex.h"
52 #include "brw_context.h"
55 #define FILE_DEBUG_FLAG DEBUG_FBO
57 static struct gl_renderbuffer
*
58 intel_new_renderbuffer(struct gl_context
* ctx
, GLuint name
);
61 intel_get_rb_region(struct gl_framebuffer
*fb
, GLuint attIndex
)
63 struct intel_renderbuffer
*irb
= intel_get_renderbuffer(fb
, attIndex
);
65 if (attIndex
== BUFFER_STENCIL
&& irb
->mt
->stencil_mt
)
66 return irb
->mt
->stencil_mt
->region
;
68 return irb
->mt
->region
;
74 * Create a new framebuffer object.
76 static struct gl_framebuffer
*
77 intel_new_framebuffer(struct gl_context
* ctx
, GLuint name
)
79 /* Only drawable state in intel_framebuffer at this time, just use Mesa's
82 return _mesa_new_framebuffer(ctx
, name
);
86 /** Called by gl_renderbuffer::Delete() */
88 intel_delete_renderbuffer(struct gl_context
*ctx
, struct gl_renderbuffer
*rb
)
90 struct intel_renderbuffer
*irb
= intel_renderbuffer(rb
);
94 intel_miptree_release(&irb
->mt
);
96 _mesa_delete_renderbuffer(ctx
, rb
);
100 * \see dd_function_table::MapRenderbuffer
103 intel_map_renderbuffer(struct gl_context
*ctx
,
104 struct gl_renderbuffer
*rb
,
105 GLuint x
, GLuint y
, GLuint w
, GLuint h
,
110 struct intel_context
*intel
= intel_context(ctx
);
111 struct swrast_renderbuffer
*srb
= (struct swrast_renderbuffer
*)rb
;
112 struct intel_renderbuffer
*irb
= intel_renderbuffer(rb
);
117 /* this is a malloc'd renderbuffer (accum buffer), not an irb */
118 GLint bpp
= _mesa_get_format_bytes(rb
->Format
);
119 GLint rowStride
= srb
->RowStride
;
120 *out_map
= (GLubyte
*) srb
->Buffer
+ y
* rowStride
+ x
* bpp
;
121 *out_stride
= rowStride
;
125 intel_prepare_render(intel
);
127 /* For a window-system renderbuffer, we need to flip the mapping we receive
128 * upside-down. So we need to ask for a rectangle on flipped vertically, and
129 * we then return a pointer to the bottom of it with a negative stride.
132 y
= rb
->Height
- y
- h
;
135 intel_miptree_map(intel
, irb
->mt
, irb
->mt_level
, irb
->mt_layer
,
136 x
, y
, w
, h
, mode
, &map
, &stride
);
139 map
+= (h
- 1) * stride
;
143 DBG("%s: rb %d (%s) mt mapped: (%d, %d) (%dx%d) -> %p/%d\n",
144 __FUNCTION__
, rb
->Name
, _mesa_get_format_name(rb
->Format
),
145 x
, y
, w
, h
, map
, stride
);
148 *out_stride
= stride
;
152 * \see dd_function_table::UnmapRenderbuffer
155 intel_unmap_renderbuffer(struct gl_context
*ctx
,
156 struct gl_renderbuffer
*rb
)
158 struct intel_context
*intel
= intel_context(ctx
);
159 struct swrast_renderbuffer
*srb
= (struct swrast_renderbuffer
*)rb
;
160 struct intel_renderbuffer
*irb
= intel_renderbuffer(rb
);
162 DBG("%s: rb %d (%s)\n", __FUNCTION__
,
163 rb
->Name
, _mesa_get_format_name(rb
->Format
));
166 /* this is a malloc'd renderbuffer (accum buffer) */
171 intel_miptree_unmap(intel
, irb
->mt
, irb
->mt_level
, irb
->mt_layer
);
176 * Round up the requested multisample count to the next supported sample size.
179 intel_quantize_num_samples(struct intel_screen
*intel
, unsigned num_samples
)
181 switch (intel
->gen
) {
183 /* Gen6 supports only 4x multisampling. */
189 /* Gen7 supports 4x and 8x multisampling. */
192 else if (num_samples
> 0)
198 /* MSAA unsupported. */
205 * Called via glRenderbufferStorageEXT() to set the format and allocate
206 * storage for a user-created renderbuffer.
209 intel_alloc_renderbuffer_storage(struct gl_context
* ctx
, struct gl_renderbuffer
*rb
,
210 GLenum internalFormat
,
211 GLuint width
, GLuint height
)
213 struct intel_context
*intel
= intel_context(ctx
);
214 struct intel_screen
*screen
= intel
->intelScreen
;
215 struct intel_renderbuffer
*irb
= intel_renderbuffer(rb
);
216 rb
->NumSamples
= intel_quantize_num_samples(screen
, rb
->NumSamples
);
218 switch (internalFormat
) {
220 /* Use the same format-choice logic as for textures.
221 * Renderbuffers aren't any different from textures for us,
222 * except they're less useful because you can't texture with
225 rb
->Format
= intel
->ctx
.Driver
.ChooseTextureFormat(ctx
, GL_TEXTURE_2D
,
229 case GL_STENCIL_INDEX
:
230 case GL_STENCIL_INDEX1_EXT
:
231 case GL_STENCIL_INDEX4_EXT
:
232 case GL_STENCIL_INDEX8_EXT
:
233 case GL_STENCIL_INDEX16_EXT
:
234 /* These aren't actual texture formats, so force them here. */
235 if (intel
->has_separate_stencil
) {
236 rb
->Format
= MESA_FORMAT_S8
;
238 assert(!intel
->must_use_separate_stencil
);
239 rb
->Format
= MESA_FORMAT_S8_Z24
;
246 rb
->_BaseFormat
= _mesa_base_fbo_format(ctx
, internalFormat
);
248 intel_miptree_release(&irb
->mt
);
250 DBG("%s: %s: %s (%dx%d)\n", __FUNCTION__
,
251 _mesa_lookup_enum_by_nr(internalFormat
),
252 _mesa_get_format_name(rb
->Format
), width
, height
);
254 if (width
== 0 || height
== 0)
257 irb
->mt
= intel_miptree_create_for_renderbuffer(intel
, rb
->Format
,
268 intel_image_target_renderbuffer_storage(struct gl_context
*ctx
,
269 struct gl_renderbuffer
*rb
,
272 struct intel_context
*intel
= intel_context(ctx
);
273 struct intel_renderbuffer
*irb
;
277 screen
= intel
->intelScreen
->driScrnPriv
;
278 image
= screen
->dri2
.image
->lookupEGLImage(screen
, image_handle
,
279 screen
->loaderPrivate
);
283 /* __DRIimage is opaque to the core so it has to be checked here */
284 switch (image
->format
) {
285 case MESA_FORMAT_RGBA8888_REV
:
286 _mesa_error(&intel
->ctx
, GL_INVALID_OPERATION
,
287 "glEGLImageTargetRenderbufferStorage(unsupported image format");
294 irb
= intel_renderbuffer(rb
);
295 intel_miptree_release(&irb
->mt
);
296 irb
->mt
= intel_miptree_create_for_bo(intel
,
300 image
->region
->width
,
301 image
->region
->height
,
302 image
->region
->pitch
,
303 image
->region
->tiling
);
307 rb
->InternalFormat
= image
->internal_format
;
308 rb
->Width
= image
->region
->width
;
309 rb
->Height
= image
->region
->height
;
310 rb
->Format
= image
->format
;
311 rb
->_BaseFormat
= _mesa_base_fbo_format(&intel
->ctx
,
312 image
->internal_format
);
313 rb
->NeedsFinishRenderTexture
= true;
317 * Called by _mesa_resize_framebuffer() for each hardware renderbuffer when a
318 * window system framebuffer is resized.
320 * Any actual buffer reallocations for hardware renderbuffers (which would
321 * have triggered _mesa_resize_framebuffer()) were done by
322 * intel_process_dri2_buffer().
325 intel_alloc_window_storage(struct gl_context
* ctx
, struct gl_renderbuffer
*rb
,
326 GLenum internalFormat
, GLuint width
, GLuint height
)
328 ASSERT(rb
->Name
== 0);
331 rb
->InternalFormat
= internalFormat
;
336 /** Dummy function for gl_renderbuffer::AllocStorage() */
338 intel_nop_alloc_storage(struct gl_context
* ctx
, struct gl_renderbuffer
*rb
,
339 GLenum internalFormat
, GLuint width
, GLuint height
)
341 _mesa_problem(ctx
, "intel_op_alloc_storage should never be called.");
346 * Create a new intel_renderbuffer which corresponds to an on-screen window,
347 * not a user-created renderbuffer.
349 * \param num_samples must be quantized.
351 struct intel_renderbuffer
*
352 intel_create_renderbuffer(gl_format format
, unsigned num_samples
)
354 struct intel_renderbuffer
*irb
;
355 struct gl_renderbuffer
*rb
;
357 GET_CURRENT_CONTEXT(ctx
);
359 irb
= CALLOC_STRUCT(intel_renderbuffer
);
361 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "creating renderbuffer");
365 rb
= &irb
->Base
.Base
;
367 _mesa_init_renderbuffer(rb
, 0);
368 rb
->ClassID
= INTEL_RB_CLASS
;
369 rb
->_BaseFormat
= _mesa_get_format_base_format(format
);
371 rb
->InternalFormat
= rb
->_BaseFormat
;
372 rb
->NumSamples
= num_samples
;
374 /* intel-specific methods */
375 rb
->Delete
= intel_delete_renderbuffer
;
376 rb
->AllocStorage
= intel_alloc_window_storage
;
382 * Private window-system buffers (as opposed to ones shared with the display
383 * server created with intel_create_renderbuffer()) are most similar in their
384 * handling to user-created renderbuffers, but they have a resize handler that
385 * may be called at intel_update_renderbuffers() time.
387 * \param num_samples must be quantized.
389 struct intel_renderbuffer
*
390 intel_create_private_renderbuffer(gl_format format
, unsigned num_samples
)
392 struct intel_renderbuffer
*irb
;
394 irb
= intel_create_renderbuffer(format
, num_samples
);
395 irb
->Base
.Base
.AllocStorage
= intel_alloc_renderbuffer_storage
;
401 * Create a new renderbuffer object.
402 * Typically called via glBindRenderbufferEXT().
404 static struct gl_renderbuffer
*
405 intel_new_renderbuffer(struct gl_context
* ctx
, GLuint name
)
407 /*struct intel_context *intel = intel_context(ctx); */
408 struct intel_renderbuffer
*irb
;
409 struct gl_renderbuffer
*rb
;
411 irb
= CALLOC_STRUCT(intel_renderbuffer
);
413 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "creating renderbuffer");
417 rb
= &irb
->Base
.Base
;
419 _mesa_init_renderbuffer(rb
, name
);
420 rb
->ClassID
= INTEL_RB_CLASS
;
422 /* intel-specific methods */
423 rb
->Delete
= intel_delete_renderbuffer
;
424 rb
->AllocStorage
= intel_alloc_renderbuffer_storage
;
425 /* span routines set in alloc_storage function */
432 * Called via glBindFramebufferEXT().
435 intel_bind_framebuffer(struct gl_context
* ctx
, GLenum target
,
436 struct gl_framebuffer
*fb
, struct gl_framebuffer
*fbread
)
438 if (target
== GL_FRAMEBUFFER_EXT
|| target
== GL_DRAW_FRAMEBUFFER_EXT
) {
439 intel_draw_buffer(ctx
);
442 /* don't need to do anything if target == GL_READ_FRAMEBUFFER_EXT */
448 * Called via glFramebufferRenderbufferEXT().
451 intel_framebuffer_renderbuffer(struct gl_context
* ctx
,
452 struct gl_framebuffer
*fb
,
453 GLenum attachment
, struct gl_renderbuffer
*rb
)
455 DBG("Intel FramebufferRenderbuffer %u %u\n", fb
->Name
, rb
? rb
->Name
: 0);
457 _mesa_framebuffer_renderbuffer(ctx
, fb
, attachment
, rb
);
458 intel_draw_buffer(ctx
);
462 intel_renderbuffer_update_wrapper(struct intel_context
*intel
,
463 struct intel_renderbuffer
*irb
,
464 struct gl_texture_image
*image
,
467 struct gl_renderbuffer
*rb
= &irb
->Base
.Base
;
468 struct intel_texture_image
*intel_image
= intel_texture_image(image
);
469 struct intel_mipmap_tree
*mt
= intel_image
->mt
;
470 int level
= image
->Level
;
472 rb
->Depth
= image
->Depth
;
474 rb
->AllocStorage
= intel_nop_alloc_storage
;
476 intel_miptree_check_level_layer(mt
, level
, layer
);
477 irb
->mt_level
= level
;
479 switch (mt
->msaa_layout
) {
480 case INTEL_MSAA_LAYOUT_UMS
:
481 case INTEL_MSAA_LAYOUT_CMS
:
482 irb
->mt_layer
= layer
* mt
->num_samples
;
486 irb
->mt_layer
= layer
;
489 intel_miptree_reference(&irb
->mt
, mt
);
491 intel_renderbuffer_set_draw_offset(irb
);
493 if (mt
->hiz_mt
== NULL
&&
494 intel
->vtbl
.is_hiz_depth_format(intel
, rb
->Format
)) {
495 intel_miptree_alloc_hiz(intel
, mt
);
504 intel_renderbuffer_set_draw_offset(struct intel_renderbuffer
*irb
)
506 unsigned int dst_x
, dst_y
;
508 /* compute offset of the particular 2D image within the texture region */
509 intel_miptree_get_image_offset(irb
->mt
,
519 * Called by glFramebufferTexture[123]DEXT() (and other places) to
520 * prepare for rendering into texture memory. This might be called
521 * many times to choose different texture levels, cube faces, etc
522 * before intel_finish_render_texture() is ever called.
525 intel_render_texture(struct gl_context
* ctx
,
526 struct gl_framebuffer
*fb
,
527 struct gl_renderbuffer_attachment
*att
)
529 struct intel_context
*intel
= intel_context(ctx
);
530 struct gl_renderbuffer
*rb
= att
->Renderbuffer
;
531 struct intel_renderbuffer
*irb
= intel_renderbuffer(rb
);
532 struct gl_texture_image
*image
= rb
->TexImage
;
533 struct intel_texture_image
*intel_image
= intel_texture_image(image
);
534 struct intel_mipmap_tree
*mt
= intel_image
->mt
;
539 if (att
->CubeMapFace
> 0) {
540 assert(att
->Zoffset
== 0);
541 layer
= att
->CubeMapFace
;
543 layer
= att
->Zoffset
;
546 if (!intel_image
->mt
) {
547 /* Fallback on drawing to a texture that doesn't have a miptree
548 * (has a border, width/height 0, etc.)
550 _swrast_render_texture(ctx
, fb
, att
);
554 intel_miptree_check_level_layer(mt
, att
->TextureLevel
, layer
);
556 if (!intel_renderbuffer_update_wrapper(intel
, irb
, image
, layer
)) {
557 _swrast_render_texture(ctx
, fb
, att
);
561 DBG("Begin render %s texture tex=%u w=%d h=%d d=%d refcount=%d\n",
562 _mesa_get_format_name(image
->TexFormat
),
563 att
->Texture
->Name
, image
->Width
, image
->Height
, image
->Depth
,
566 /* update drawing region, etc */
567 intel_draw_buffer(ctx
);
572 * Called by Mesa when rendering to a texture is done.
575 intel_finish_render_texture(struct gl_context
* ctx
, struct gl_renderbuffer
*rb
)
577 struct intel_context
*intel
= intel_context(ctx
);
579 DBG("Finish render %s texture\n", _mesa_get_format_name(rb
->Format
));
581 /* Since we've (probably) rendered to the texture and will (likely) use
582 * it in the texture domain later on in this batchbuffer, flush the
583 * batch. Once again, we wish for a domain tracker in libdrm to cover
584 * usage inside of a batchbuffer like GEM does in the kernel.
586 intel_batchbuffer_emit_mi_flush(intel
);
589 #define fbo_incomplete(fb, ...) do { \
590 static GLuint msg_id = 0; \
591 if (unlikely(ctx->Const.ContextFlags & GL_CONTEXT_FLAG_DEBUG_BIT)) { \
592 _mesa_gl_debug(ctx, &msg_id, \
593 MESA_DEBUG_TYPE_OTHER, \
594 MESA_DEBUG_SEVERITY_MEDIUM, \
598 fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED; \
602 * Do additional "completeness" testing of a framebuffer object.
605 intel_validate_framebuffer(struct gl_context
*ctx
, struct gl_framebuffer
*fb
)
607 struct intel_context
*intel
= intel_context(ctx
);
608 struct intel_renderbuffer
*depthRb
=
609 intel_get_renderbuffer(fb
, BUFFER_DEPTH
);
610 struct intel_renderbuffer
*stencilRb
=
611 intel_get_renderbuffer(fb
, BUFFER_STENCIL
);
612 struct intel_mipmap_tree
*depth_mt
= NULL
, *stencil_mt
= NULL
;
615 DBG("%s() on fb %p (%s)\n", __FUNCTION__
,
616 fb
, (fb
== ctx
->DrawBuffer
? "drawbuffer" :
617 (fb
== ctx
->ReadBuffer
? "readbuffer" : "other buffer")));
620 depth_mt
= depthRb
->mt
;
622 stencil_mt
= stencilRb
->mt
;
623 if (stencil_mt
->stencil_mt
)
624 stencil_mt
= stencil_mt
->stencil_mt
;
627 if (depth_mt
&& stencil_mt
) {
628 if (depth_mt
== stencil_mt
) {
629 /* For true packed depth/stencil (not faked on prefers-separate-stencil
630 * hardware) we need to be sure they're the same level/layer, since
631 * we'll be emitting a single packet describing the packed setup.
633 if (depthRb
->mt_level
!= stencilRb
->mt_level
||
634 depthRb
->mt_layer
!= stencilRb
->mt_layer
) {
636 "FBO incomplete: depth image level/layer %d/%d != "
637 "stencil image %d/%d\n",
641 stencilRb
->mt_layer
);
644 if (!intel
->has_separate_stencil
) {
645 fbo_incomplete(fb
, "FBO incomplete: separate stencil "
648 if (stencil_mt
->format
!= MESA_FORMAT_S8
) {
649 fbo_incomplete(fb
, "FBO incomplete: separate stencil is %s "
651 _mesa_get_format_name(stencil_mt
->format
));
653 if (intel
->gen
< 7 && !intel_renderbuffer_has_hiz(depthRb
)) {
654 /* Before Gen7, separate depth and stencil buffers can be used
655 * only if HiZ is enabled. From the Sandybridge PRM, Volume 2,
656 * Part 1, Bit 3DSTATE_DEPTH_BUFFER.SeparateStencilBufferEnable:
657 * [DevSNB]: This field must be set to the same value (enabled
658 * or disabled) as Hierarchical Depth Buffer Enable.
660 fbo_incomplete(fb
, "FBO incomplete: separate stencil "
666 for (i
= 0; i
< Elements(fb
->Attachment
); i
++) {
667 struct gl_renderbuffer
*rb
;
668 struct intel_renderbuffer
*irb
;
670 if (fb
->Attachment
[i
].Type
== GL_NONE
)
673 /* A supported attachment will have a Renderbuffer set either
674 * from being a Renderbuffer or being a texture that got the
675 * intel_wrap_texture() treatment.
677 rb
= fb
->Attachment
[i
].Renderbuffer
;
679 fbo_incomplete(fb
, "FBO incomplete: attachment without "
684 if (fb
->Attachment
[i
].Type
== GL_TEXTURE
) {
685 if (rb
->TexImage
->Border
) {
686 fbo_incomplete(fb
, "FBO incomplete: texture with border\n");
691 irb
= intel_renderbuffer(rb
);
693 fbo_incomplete(fb
, "FBO incomplete: software rendering "
698 if (!intel
->vtbl
.render_target_supported(intel
, rb
)) {
699 fbo_incomplete(fb
, "FBO incomplete: Unsupported HW "
700 "texture/renderbuffer format attached: %s\n",
701 _mesa_get_format_name(intel_rb_format(irb
)));
707 * Try to do a glBlitFramebuffer using glCopyTexSubImage2D
708 * We can do this when the dst renderbuffer is actually a texture and
709 * there is no scaling, mirroring or scissoring.
711 * \return new buffer mask indicating the buffers left to blit using the
715 intel_blit_framebuffer_with_blitter(struct gl_context
*ctx
,
716 GLint srcX0
, GLint srcY0
,
717 GLint srcX1
, GLint srcY1
,
718 GLint dstX0
, GLint dstY0
,
719 GLint dstX1
, GLint dstY1
,
720 GLbitfield mask
, GLenum filter
)
722 struct intel_context
*intel
= intel_context(ctx
);
724 if (mask
& GL_COLOR_BUFFER_BIT
) {
726 const struct gl_framebuffer
*drawFb
= ctx
->DrawBuffer
;
727 const struct gl_framebuffer
*readFb
= ctx
->ReadBuffer
;
728 struct gl_renderbuffer
*src_rb
= readFb
->_ColorReadBuffer
;
729 struct intel_renderbuffer
*src_irb
= intel_renderbuffer(src_rb
);
732 perf_debug("glBlitFramebuffer(): missing src renderbuffer. "
733 "Falling back to software rendering.\n");
737 /* If the source and destination are the same size with no mirroring,
738 * the rectangles are within the size of the texture and there is no
739 * scissor, then we can probably use the blit engine.
741 if (!(srcX0
- srcX1
== dstX0
- dstX1
&&
742 srcY0
- srcY1
== dstY0
- dstY1
&&
745 srcX0
>= 0 && srcX1
<= readFb
->Width
&&
746 srcY0
>= 0 && srcY1
<= readFb
->Height
&&
747 dstX0
>= 0 && dstX1
<= drawFb
->Width
&&
748 dstY0
>= 0 && dstY1
<= drawFb
->Height
&&
749 !ctx
->Scissor
.Enabled
)) {
750 perf_debug("glBlitFramebuffer(): non-1:1 blit. "
751 "Falling back to software rendering.\n");
755 /* Blit to all active draw buffers. We don't do any pre-checking,
756 * because we assume that copying to MRTs is rare, and failure midway
757 * through copying is even more rare. Even if it was to occur, it's
758 * safe to let meta start the copy over from scratch, because
759 * glBlitFramebuffer completely overwrites the destination pixels, and
760 * results are undefined if any destination pixels have a dependency on
763 for (i
= 0; i
< ctx
->DrawBuffer
->_NumColorDrawBuffers
; i
++) {
764 struct gl_renderbuffer
*dst_rb
= ctx
->DrawBuffer
->_ColorDrawBuffers
[i
];
765 struct intel_renderbuffer
*dst_irb
= intel_renderbuffer(dst_rb
);
768 perf_debug("glBlitFramebuffer(): missing dst renderbuffer. "
769 "Falling back to software rendering.\n");
773 gl_format src_format
= _mesa_get_srgb_format_linear(src_rb
->Format
);
774 gl_format dst_format
= _mesa_get_srgb_format_linear(dst_rb
->Format
);
775 if (src_format
!= dst_format
) {
776 perf_debug("glBlitFramebuffer(): unsupported blit from %s to %s. "
777 "Falling back to software rendering.\n",
778 _mesa_get_format_name(src_format
),
779 _mesa_get_format_name(dst_format
));
783 if (!intel_miptree_blit(intel
,
785 src_irb
->mt_level
, src_irb
->mt_layer
,
786 srcX0
, srcY0
, src_rb
->Name
== 0,
788 dst_irb
->mt_level
, dst_irb
->mt_layer
,
789 dstX0
, dstY0
, dst_rb
->Name
== 0,
790 dstX1
- dstX0
, dstY1
- dstY0
, GL_COPY
)) {
791 perf_debug("glBlitFramebuffer(): unknown blit failure. "
792 "Falling back to software rendering.\n");
797 mask
&= ~GL_COLOR_BUFFER_BIT
;
804 intel_blit_framebuffer(struct gl_context
*ctx
,
805 GLint srcX0
, GLint srcY0
, GLint srcX1
, GLint srcY1
,
806 GLint dstX0
, GLint dstY0
, GLint dstX1
, GLint dstY1
,
807 GLbitfield mask
, GLenum filter
)
810 mask
= brw_blorp_framebuffer(intel_context(ctx
),
811 srcX0
, srcY0
, srcX1
, srcY1
,
812 dstX0
, dstY0
, dstX1
, dstY1
,
818 /* Try using the BLT engine. */
819 mask
= intel_blit_framebuffer_with_blitter(ctx
,
820 srcX0
, srcY0
, srcX1
, srcY1
,
821 dstX0
, dstY0
, dstX1
, dstY1
,
827 _mesa_meta_BlitFramebuffer(ctx
,
828 srcX0
, srcY0
, srcX1
, srcY1
,
829 dstX0
, dstY0
, dstX1
, dstY1
,
834 * This is a no-op except on multisample buffers shared with DRI2.
837 intel_renderbuffer_set_needs_downsample(struct intel_renderbuffer
*irb
)
839 if (irb
->mt
&& irb
->mt
->singlesample_mt
)
840 irb
->mt
->need_downsample
= true;
844 * Does the renderbuffer have hiz enabled?
847 intel_renderbuffer_has_hiz(struct intel_renderbuffer
*irb
)
849 return intel_miptree_slice_has_hiz(irb
->mt
, irb
->mt_level
, irb
->mt_layer
);
853 intel_renderbuffer_set_needs_hiz_resolve(struct intel_renderbuffer
*irb
)
856 intel_miptree_slice_set_needs_hiz_resolve(irb
->mt
,
863 intel_renderbuffer_set_needs_depth_resolve(struct intel_renderbuffer
*irb
)
866 intel_miptree_slice_set_needs_depth_resolve(irb
->mt
,
873 intel_renderbuffer_resolve_hiz(struct intel_context
*intel
,
874 struct intel_renderbuffer
*irb
)
877 return intel_miptree_slice_resolve_hiz(intel
,
886 intel_renderbuffer_resolve_depth(struct intel_context
*intel
,
887 struct intel_renderbuffer
*irb
)
890 return intel_miptree_slice_resolve_depth(intel
,
899 intel_renderbuffer_move_to_temp(struct intel_context
*intel
,
900 struct intel_renderbuffer
*irb
,
903 struct gl_renderbuffer
*rb
=&irb
->Base
.Base
;
904 struct intel_texture_image
*intel_image
= intel_texture_image(rb
->TexImage
);
905 struct intel_mipmap_tree
*new_mt
;
906 int width
, height
, depth
;
908 intel_miptree_get_dimensions_for_image(rb
->TexImage
, &width
, &height
, &depth
);
910 new_mt
= intel_miptree_create(intel
, rb
->TexImage
->TexObject
->Target
,
911 intel_image
->base
.Base
.TexFormat
,
912 intel_image
->base
.Base
.Level
,
913 intel_image
->base
.Base
.Level
,
914 width
, height
, depth
,
916 irb
->mt
->num_samples
,
917 INTEL_MIPTREE_TILING_ANY
);
919 if (intel
->vtbl
.is_hiz_depth_format(intel
, new_mt
->format
)) {
920 intel_miptree_alloc_hiz(intel
, new_mt
);
923 intel_miptree_copy_teximage(intel
, intel_image
, new_mt
, invalidate
);
925 intel_miptree_reference(&irb
->mt
, intel_image
->mt
);
926 intel_renderbuffer_set_draw_offset(irb
);
927 intel_miptree_release(&new_mt
);
931 * Do one-time context initializations related to GL_EXT_framebuffer_object.
932 * Hook in device driver functions.
935 intel_fbo_init(struct intel_context
*intel
)
937 intel
->ctx
.Driver
.NewFramebuffer
= intel_new_framebuffer
;
938 intel
->ctx
.Driver
.NewRenderbuffer
= intel_new_renderbuffer
;
939 intel
->ctx
.Driver
.MapRenderbuffer
= intel_map_renderbuffer
;
940 intel
->ctx
.Driver
.UnmapRenderbuffer
= intel_unmap_renderbuffer
;
941 intel
->ctx
.Driver
.BindFramebuffer
= intel_bind_framebuffer
;
942 intel
->ctx
.Driver
.FramebufferRenderbuffer
= intel_framebuffer_renderbuffer
;
943 intel
->ctx
.Driver
.RenderTexture
= intel_render_texture
;
944 intel
->ctx
.Driver
.FinishRenderTexture
= intel_finish_render_texture
;
945 intel
->ctx
.Driver
.ValidateFramebuffer
= intel_validate_framebuffer
;
946 intel
->ctx
.Driver
.BlitFramebuffer
= intel_blit_framebuffer
;
947 intel
->ctx
.Driver
.EGLImageTargetRenderbufferStorage
=
948 intel_image_target_renderbuffer_storage
;