1 /**************************************************************************
3 * Copyright 2003 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/imports.h"
30 #include "main/mfeatures.h"
31 #include "main/mtypes.h"
32 #include "main/macros.h"
33 #include "main/bufferobj.h"
35 #include "intel_blit.h"
36 #include "intel_buffer_objects.h"
37 #include "intel_batchbuffer.h"
38 #include "intel_context.h"
39 #include "intel_fbo.h"
40 #include "intel_mipmap_tree.h"
41 #include "intel_regions.h"
44 intel_bufferobj_unmap(struct gl_context
* ctx
, struct gl_buffer_object
*obj
);
46 /** Allocates a new drm_intel_bo to store the data for the buffer object. */
48 intel_bufferobj_alloc_buffer(struct intel_context
*intel
,
49 struct intel_buffer_object
*intel_obj
)
51 intel_obj
->buffer
= drm_intel_bo_alloc(intel
->bufmgr
, "bufferobj",
52 intel_obj
->Base
.Size
, 64);
56 release_buffer(struct intel_buffer_object
*intel_obj
)
58 drm_intel_bo_unreference(intel_obj
->buffer
);
59 intel_obj
->buffer
= NULL
;
60 intel_obj
->offset
= 0;
61 intel_obj
->source
= 0;
65 * There is some duplication between mesa's bufferobjects and our
66 * bufmgr buffers. Both have an integer handle and a hashtable to
67 * lookup an opaque structure. It would be nice if the handles and
68 * internal structure where somehow shared.
70 static struct gl_buffer_object
*
71 intel_bufferobj_alloc(struct gl_context
* ctx
, GLuint name
, GLenum target
)
73 struct intel_buffer_object
*obj
= CALLOC_STRUCT(intel_buffer_object
);
75 _mesa_initialize_buffer_object(ctx
, &obj
->Base
, name
, target
);
83 * Deallocate/free a vertex/pixel buffer object.
84 * Called via glDeleteBuffersARB().
87 intel_bufferobj_free(struct gl_context
* ctx
, struct gl_buffer_object
*obj
)
89 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
93 /* Buffer objects are automatically unmapped when deleting according
94 * to the spec, but Mesa doesn't do UnmapBuffer for us at context destroy
95 * (though it does if you call glDeleteBuffers)
98 intel_bufferobj_unmap(ctx
, obj
);
100 free(intel_obj
->sys_buffer
);
102 drm_intel_bo_unreference(intel_obj
->buffer
);
109 * Allocate space for and store data in a buffer object. Any data that was
110 * previously stored in the buffer object is lost. If data is NULL,
111 * memory will be allocated, but no copy will occur.
112 * Called via ctx->Driver.BufferData().
113 * \return true for success, false if out of memory
116 intel_bufferobj_data(struct gl_context
* ctx
,
120 GLenum usage
, struct gl_buffer_object
*obj
)
122 struct intel_context
*intel
= intel_context(ctx
);
123 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
125 /* Part of the ABI, but this function doesn't use it.
131 intel_obj
->Base
.Size
= size
;
132 intel_obj
->Base
.Usage
= usage
;
134 assert(!obj
->Pointer
); /* Mesa should have unmapped it */
136 if (intel_obj
->buffer
!= NULL
)
137 release_buffer(intel_obj
);
139 free(intel_obj
->sys_buffer
);
140 intel_obj
->sys_buffer
= NULL
;
144 /* On pre-965, stick VBOs in system memory, as we're always doing
145 * swtnl with their contents anyway.
147 if (target
== GL_ARRAY_BUFFER
|| target
== GL_ELEMENT_ARRAY_BUFFER
) {
148 intel_obj
->sys_buffer
= malloc(size
);
149 if (intel_obj
->sys_buffer
!= NULL
) {
151 memcpy(intel_obj
->sys_buffer
, data
, size
);
156 intel_bufferobj_alloc_buffer(intel
, intel_obj
);
157 if (!intel_obj
->buffer
)
161 drm_intel_bo_subdata(intel_obj
->buffer
, 0, size
, data
);
169 * Replace data in a subrange of buffer object. If the data range
170 * specified by size + offset extends beyond the end of the buffer or
171 * if data is NULL, no copy is performed.
172 * Called via glBufferSubDataARB().
175 intel_bufferobj_subdata(struct gl_context
* ctx
,
178 const GLvoid
* data
, struct gl_buffer_object
*obj
)
180 struct intel_context
*intel
= intel_context(ctx
);
181 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
189 /* If we have a single copy in system memory, update that */
190 if (intel_obj
->sys_buffer
) {
191 if (intel_obj
->source
)
192 release_buffer(intel_obj
);
194 if (intel_obj
->buffer
== NULL
) {
195 memcpy((char *)intel_obj
->sys_buffer
+ offset
, data
, size
);
199 free(intel_obj
->sys_buffer
);
200 intel_obj
->sys_buffer
= NULL
;
203 /* Otherwise we need to update the copy in video memory. */
205 drm_intel_bo_busy(intel_obj
->buffer
) ||
206 drm_intel_bo_references(intel
->batch
.bo
, intel_obj
->buffer
);
209 if (size
== intel_obj
->Base
.Size
) {
210 /* Replace the current busy bo with fresh data. */
211 drm_intel_bo_unreference(intel_obj
->buffer
);
212 intel_bufferobj_alloc_buffer(intel
, intel_obj
);
213 drm_intel_bo_subdata(intel_obj
->buffer
, 0, size
, data
);
215 perf_debug("Using a blit copy to avoid stalling on glBufferSubData() "
216 "to a busy buffer object.\n");
217 drm_intel_bo
*temp_bo
=
218 drm_intel_bo_alloc(intel
->bufmgr
, "subdata temp", size
, 64);
220 drm_intel_bo_subdata(temp_bo
, 0, size
, data
);
222 intel_emit_linear_blit(intel
,
223 intel_obj
->buffer
, offset
,
227 drm_intel_bo_unreference(temp_bo
);
230 if (unlikely(INTEL_DEBUG
& DEBUG_PERF
)) {
231 if (drm_intel_bo_busy(intel_obj
->buffer
)) {
232 perf_debug("Stalling on the GPU in glBufferSubData().\n");
235 drm_intel_bo_subdata(intel_obj
->buffer
, offset
, size
, data
);
241 * Called via glGetBufferSubDataARB().
244 intel_bufferobj_get_subdata(struct gl_context
* ctx
,
247 GLvoid
* data
, struct gl_buffer_object
*obj
)
249 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
250 struct intel_context
*intel
= intel_context(ctx
);
253 if (intel_obj
->sys_buffer
)
254 memcpy(data
, (char *)intel_obj
->sys_buffer
+ offset
, size
);
256 if (drm_intel_bo_references(intel
->batch
.bo
, intel_obj
->buffer
)) {
257 intel_batchbuffer_flush(intel
);
259 drm_intel_bo_get_subdata(intel_obj
->buffer
, offset
, size
, data
);
266 * Called via glMapBufferRange and glMapBuffer
268 * The goal of this extension is to allow apps to accumulate their rendering
269 * at the same time as they accumulate their buffer object. Without it,
270 * you'd end up blocking on execution of rendering every time you mapped
271 * the buffer to put new data in.
273 * We support it in 3 ways: If unsynchronized, then don't bother
274 * flushing the batchbuffer before mapping the buffer, which can save blocking
275 * in many cases. If we would still block, and they allow the whole buffer
276 * to be invalidated, then just allocate a new buffer to replace the old one.
277 * If not, and we'd block, and they allow the subrange of the buffer to be
278 * invalidated, then we can make a new little BO, let them write into that,
279 * and blit it into the real BO at unmap time.
282 intel_bufferobj_map_range(struct gl_context
* ctx
,
283 GLintptr offset
, GLsizeiptr length
,
284 GLbitfield access
, struct gl_buffer_object
*obj
)
286 struct intel_context
*intel
= intel_context(ctx
);
287 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
291 /* _mesa_MapBufferRange (GL entrypoint) sets these, but the vbo module also
292 * internally uses our functions directly.
294 obj
->Offset
= offset
;
295 obj
->Length
= length
;
296 obj
->AccessFlags
= access
;
298 if (intel_obj
->sys_buffer
) {
299 const bool read_only
=
300 (access
& (GL_MAP_READ_BIT
| GL_MAP_WRITE_BIT
)) == GL_MAP_READ_BIT
;
302 if (!read_only
&& intel_obj
->source
)
303 release_buffer(intel_obj
);
305 if (!intel_obj
->buffer
|| intel_obj
->source
) {
306 obj
->Pointer
= intel_obj
->sys_buffer
+ offset
;
310 free(intel_obj
->sys_buffer
);
311 intel_obj
->sys_buffer
= NULL
;
314 if (intel_obj
->buffer
== NULL
) {
319 /* If the access is synchronized (like a normal buffer mapping), then get
320 * things flushed out so the later mapping syncs appropriately through GEM.
321 * If the user doesn't care about existing buffer contents and mapping would
322 * cause us to block, then throw out the old buffer.
324 * If they set INVALIDATE_BUFFER, we can pitch the current contents to
325 * achieve the required synchronization.
327 if (!(access
& GL_MAP_UNSYNCHRONIZED_BIT
)) {
328 if (drm_intel_bo_references(intel
->batch
.bo
, intel_obj
->buffer
)) {
329 if (access
& GL_MAP_INVALIDATE_BUFFER_BIT
) {
330 drm_intel_bo_unreference(intel_obj
->buffer
);
331 intel_bufferobj_alloc_buffer(intel
, intel_obj
);
335 } else if (drm_intel_bo_busy(intel_obj
->buffer
) &&
336 (access
& GL_MAP_INVALIDATE_BUFFER_BIT
)) {
337 drm_intel_bo_unreference(intel_obj
->buffer
);
338 intel_bufferobj_alloc_buffer(intel
, intel_obj
);
342 /* If the user is mapping a range of an active buffer object but
343 * doesn't require the current contents of that range, make a new
344 * BO, and we'll copy what they put in there out at unmap or
347 if ((access
& GL_MAP_INVALIDATE_RANGE_BIT
) &&
348 drm_intel_bo_busy(intel_obj
->buffer
)) {
349 if (access
& GL_MAP_FLUSH_EXPLICIT_BIT
) {
350 intel_obj
->range_map_buffer
= malloc(length
);
351 obj
->Pointer
= intel_obj
->range_map_buffer
;
353 intel_obj
->range_map_bo
= drm_intel_bo_alloc(intel
->bufmgr
,
356 if (!(access
& GL_MAP_READ_BIT
)) {
357 drm_intel_gem_bo_map_gtt(intel_obj
->range_map_bo
);
359 drm_intel_bo_map(intel_obj
->range_map_bo
,
360 (access
& GL_MAP_WRITE_BIT
) != 0);
362 obj
->Pointer
= intel_obj
->range_map_bo
->virtual;
367 if (access
& GL_MAP_UNSYNCHRONIZED_BIT
)
368 drm_intel_gem_bo_map_unsynchronized(intel_obj
->buffer
);
369 else if (!(access
& GL_MAP_READ_BIT
)) {
370 drm_intel_gem_bo_map_gtt(intel_obj
->buffer
);
372 drm_intel_bo_map(intel_obj
->buffer
, (access
& GL_MAP_WRITE_BIT
) != 0);
375 obj
->Pointer
= intel_obj
->buffer
->virtual + offset
;
379 /* Ideally we'd use a BO to avoid taking up cache space for the temporary
380 * data, but FlushMappedBufferRange may be followed by further writes to
381 * the pointer, so we would have to re-map after emitting our blit, which
382 * would defeat the point.
385 intel_bufferobj_flush_mapped_range(struct gl_context
*ctx
,
386 GLintptr offset
, GLsizeiptr length
,
387 struct gl_buffer_object
*obj
)
389 struct intel_context
*intel
= intel_context(ctx
);
390 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
391 drm_intel_bo
*temp_bo
;
393 /* Unless we're in the range map using a temporary system buffer,
394 * there's no work to do.
396 if (intel_obj
->range_map_buffer
== NULL
)
402 temp_bo
= drm_intel_bo_alloc(intel
->bufmgr
, "range map flush", length
, 64);
404 drm_intel_bo_subdata(temp_bo
, 0, length
, intel_obj
->range_map_buffer
);
406 intel_emit_linear_blit(intel
,
407 intel_obj
->buffer
, obj
->Offset
+ offset
,
411 drm_intel_bo_unreference(temp_bo
);
416 * Called via glUnmapBuffer().
419 intel_bufferobj_unmap(struct gl_context
* ctx
, struct gl_buffer_object
*obj
)
421 struct intel_context
*intel
= intel_context(ctx
);
422 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
425 assert(obj
->Pointer
);
426 if (intel_obj
->sys_buffer
!= NULL
) {
427 /* always keep the mapping around. */
428 } else if (intel_obj
->range_map_buffer
!= NULL
) {
429 /* Since we've emitted some blits to buffers that will (likely) be used
430 * in rendering operations in other cache domains in this batch, emit a
431 * flush. Once again, we wish for a domain tracker in libdrm to cover
432 * usage inside of a batchbuffer.
434 intel_batchbuffer_emit_mi_flush(intel
);
435 free(intel_obj
->range_map_buffer
);
436 intel_obj
->range_map_buffer
= NULL
;
437 } else if (intel_obj
->range_map_bo
!= NULL
) {
438 drm_intel_bo_unmap(intel_obj
->range_map_bo
);
440 intel_emit_linear_blit(intel
,
441 intel_obj
->buffer
, obj
->Offset
,
442 intel_obj
->range_map_bo
, 0,
445 /* Since we've emitted some blits to buffers that will (likely) be used
446 * in rendering operations in other cache domains in this batch, emit a
447 * flush. Once again, we wish for a domain tracker in libdrm to cover
448 * usage inside of a batchbuffer.
450 intel_batchbuffer_emit_mi_flush(intel
);
452 drm_intel_bo_unreference(intel_obj
->range_map_bo
);
453 intel_obj
->range_map_bo
= NULL
;
454 } else if (intel_obj
->buffer
!= NULL
) {
455 drm_intel_bo_unmap(intel_obj
->buffer
);
465 intel_bufferobj_buffer(struct intel_context
*intel
,
466 struct intel_buffer_object
*intel_obj
,
469 if (intel_obj
->source
)
470 release_buffer(intel_obj
);
472 if (intel_obj
->buffer
== NULL
) {
473 intel_bufferobj_alloc_buffer(intel
, intel_obj
);
474 drm_intel_bo_subdata(intel_obj
->buffer
,
475 0, intel_obj
->Base
.Size
,
476 intel_obj
->sys_buffer
);
478 free(intel_obj
->sys_buffer
);
479 intel_obj
->sys_buffer
= NULL
;
480 intel_obj
->offset
= 0;
483 return intel_obj
->buffer
;
486 #define INTEL_UPLOAD_SIZE (64*1024)
489 intel_upload_finish(struct intel_context
*intel
)
491 if (!intel
->upload
.bo
)
494 if (intel
->upload
.buffer_len
) {
495 drm_intel_bo_subdata(intel
->upload
.bo
,
496 intel
->upload
.buffer_offset
,
497 intel
->upload
.buffer_len
,
498 intel
->upload
.buffer
);
499 intel
->upload
.buffer_len
= 0;
502 drm_intel_bo_unreference(intel
->upload
.bo
);
503 intel
->upload
.bo
= NULL
;
506 static void wrap_buffers(struct intel_context
*intel
, GLuint size
)
508 intel_upload_finish(intel
);
510 if (size
< INTEL_UPLOAD_SIZE
)
511 size
= INTEL_UPLOAD_SIZE
;
513 intel
->upload
.bo
= drm_intel_bo_alloc(intel
->bufmgr
, "upload", size
, 0);
514 intel
->upload
.offset
= 0;
517 void intel_upload_data(struct intel_context
*intel
,
518 const void *ptr
, GLuint size
, GLuint align
,
519 drm_intel_bo
**return_bo
,
520 GLuint
*return_offset
)
524 base
= (intel
->upload
.offset
+ align
- 1) / align
* align
;
525 if (intel
->upload
.bo
== NULL
|| base
+ size
> intel
->upload
.bo
->size
) {
526 wrap_buffers(intel
, size
);
530 drm_intel_bo_reference(intel
->upload
.bo
);
531 *return_bo
= intel
->upload
.bo
;
532 *return_offset
= base
;
534 delta
= base
- intel
->upload
.offset
;
535 if (intel
->upload
.buffer_len
&&
536 intel
->upload
.buffer_len
+ delta
+ size
> sizeof(intel
->upload
.buffer
))
538 drm_intel_bo_subdata(intel
->upload
.bo
,
539 intel
->upload
.buffer_offset
,
540 intel
->upload
.buffer_len
,
541 intel
->upload
.buffer
);
542 intel
->upload
.buffer_len
= 0;
545 if (size
< sizeof(intel
->upload
.buffer
))
547 if (intel
->upload
.buffer_len
== 0)
548 intel
->upload
.buffer_offset
= base
;
550 intel
->upload
.buffer_len
+= delta
;
552 memcpy(intel
->upload
.buffer
+ intel
->upload
.buffer_len
, ptr
, size
);
553 intel
->upload
.buffer_len
+= size
;
557 drm_intel_bo_subdata(intel
->upload
.bo
, base
, size
, ptr
);
560 intel
->upload
.offset
= base
+ size
;
563 void *intel_upload_map(struct intel_context
*intel
, GLuint size
, GLuint align
)
568 base
= (intel
->upload
.offset
+ align
- 1) / align
* align
;
569 if (intel
->upload
.bo
== NULL
|| base
+ size
> intel
->upload
.bo
->size
) {
570 wrap_buffers(intel
, size
);
574 delta
= base
- intel
->upload
.offset
;
575 if (intel
->upload
.buffer_len
&&
576 intel
->upload
.buffer_len
+ delta
+ size
> sizeof(intel
->upload
.buffer
))
578 drm_intel_bo_subdata(intel
->upload
.bo
,
579 intel
->upload
.buffer_offset
,
580 intel
->upload
.buffer_len
,
581 intel
->upload
.buffer
);
582 intel
->upload
.buffer_len
= 0;
585 if (size
<= sizeof(intel
->upload
.buffer
)) {
586 if (intel
->upload
.buffer_len
== 0)
587 intel
->upload
.buffer_offset
= base
;
589 intel
->upload
.buffer_len
+= delta
;
591 ptr
= intel
->upload
.buffer
+ intel
->upload
.buffer_len
;
592 intel
->upload
.buffer_len
+= size
;
599 void intel_upload_unmap(struct intel_context
*intel
,
600 const void *ptr
, GLuint size
, GLuint align
,
601 drm_intel_bo
**return_bo
,
602 GLuint
*return_offset
)
606 base
= (intel
->upload
.offset
+ align
- 1) / align
* align
;
607 if (size
> sizeof(intel
->upload
.buffer
)) {
608 drm_intel_bo_subdata(intel
->upload
.bo
, base
, size
, ptr
);
612 drm_intel_bo_reference(intel
->upload
.bo
);
613 *return_bo
= intel
->upload
.bo
;
614 *return_offset
= base
;
616 intel
->upload
.offset
= base
+ size
;
620 intel_bufferobj_source(struct intel_context
*intel
,
621 struct intel_buffer_object
*intel_obj
,
622 GLuint align
, GLuint
*offset
)
624 if (intel_obj
->buffer
== NULL
) {
625 intel_upload_data(intel
,
626 intel_obj
->sys_buffer
, intel_obj
->Base
.Size
, align
,
627 &intel_obj
->buffer
, &intel_obj
->offset
);
628 intel_obj
->source
= 1;
631 *offset
= intel_obj
->offset
;
632 return intel_obj
->buffer
;
636 intel_bufferobj_copy_subdata(struct gl_context
*ctx
,
637 struct gl_buffer_object
*src
,
638 struct gl_buffer_object
*dst
,
639 GLintptr read_offset
, GLintptr write_offset
,
642 struct intel_context
*intel
= intel_context(ctx
);
643 struct intel_buffer_object
*intel_src
= intel_buffer_object(src
);
644 struct intel_buffer_object
*intel_dst
= intel_buffer_object(dst
);
645 drm_intel_bo
*src_bo
, *dst_bo
;
651 /* If we're in system memory, just map and memcpy. */
652 if (intel_src
->sys_buffer
|| intel_dst
->sys_buffer
) {
653 /* The same buffer may be used, but note that regions copied may
657 char *ptr
= intel_bufferobj_map_range(ctx
, 0, dst
->Size
,
661 memmove(ptr
+ write_offset
, ptr
+ read_offset
, size
);
662 intel_bufferobj_unmap(ctx
, dst
);
667 src_ptr
= intel_bufferobj_map_range(ctx
, 0, src
->Size
,
668 GL_MAP_READ_BIT
, src
);
669 dst_ptr
= intel_bufferobj_map_range(ctx
, 0, dst
->Size
,
670 GL_MAP_WRITE_BIT
, dst
);
672 memcpy(dst_ptr
+ write_offset
, src_ptr
+ read_offset
, size
);
674 intel_bufferobj_unmap(ctx
, src
);
675 intel_bufferobj_unmap(ctx
, dst
);
680 /* Otherwise, we have real BOs, so blit them. */
682 dst_bo
= intel_bufferobj_buffer(intel
, intel_dst
, INTEL_WRITE_PART
);
683 src_bo
= intel_bufferobj_source(intel
, intel_src
, 64, &src_offset
);
685 intel_emit_linear_blit(intel
,
686 dst_bo
, write_offset
,
687 src_bo
, read_offset
+ src_offset
, size
);
689 /* Since we've emitted some blits to buffers that will (likely) be used
690 * in rendering operations in other cache domains in this batch, emit a
691 * flush. Once again, we wish for a domain tracker in libdrm to cover
692 * usage inside of a batchbuffer.
694 intel_batchbuffer_emit_mi_flush(intel
);
698 intel_buffer_purgeable(drm_intel_bo
*buffer
)
703 retained
= drm_intel_bo_madvise (buffer
, I915_MADV_DONTNEED
);
705 return retained
? GL_VOLATILE_APPLE
: GL_RELEASED_APPLE
;
709 intel_buffer_object_purgeable(struct gl_context
* ctx
,
710 struct gl_buffer_object
*obj
,
713 struct intel_buffer_object
*intel_obj
= intel_buffer_object (obj
);
715 if (intel_obj
->buffer
!= NULL
)
716 return intel_buffer_purgeable(intel_obj
->buffer
);
718 if (option
== GL_RELEASED_APPLE
) {
719 free(intel_obj
->sys_buffer
);
720 intel_obj
->sys_buffer
= NULL
;
722 return GL_RELEASED_APPLE
;
724 /* XXX Create the buffer and madvise(MADV_DONTNEED)? */
725 struct intel_context
*intel
= intel_context(ctx
);
726 drm_intel_bo
*bo
= intel_bufferobj_buffer(intel
, intel_obj
, INTEL_READ
);
728 return intel_buffer_purgeable(bo
);
733 intel_texture_object_purgeable(struct gl_context
* ctx
,
734 struct gl_texture_object
*obj
,
737 struct intel_texture_object
*intel
;
742 intel
= intel_texture_object(obj
);
743 if (intel
->mt
== NULL
|| intel
->mt
->region
== NULL
)
744 return GL_RELEASED_APPLE
;
746 return intel_buffer_purgeable(intel
->mt
->region
->bo
);
750 intel_render_object_purgeable(struct gl_context
* ctx
,
751 struct gl_renderbuffer
*obj
,
754 struct intel_renderbuffer
*intel
;
759 intel
= intel_renderbuffer(obj
);
760 if (intel
->mt
== NULL
)
761 return GL_RELEASED_APPLE
;
763 return intel_buffer_purgeable(intel
->mt
->region
->bo
);
767 intel_buffer_unpurgeable(drm_intel_bo
*buffer
)
773 retained
= drm_intel_bo_madvise (buffer
, I915_MADV_WILLNEED
);
775 return retained
? GL_RETAINED_APPLE
: GL_UNDEFINED_APPLE
;
779 intel_buffer_object_unpurgeable(struct gl_context
* ctx
,
780 struct gl_buffer_object
*obj
,
786 return intel_buffer_unpurgeable(intel_buffer_object (obj
)->buffer
);
790 intel_texture_object_unpurgeable(struct gl_context
* ctx
,
791 struct gl_texture_object
*obj
,
794 struct intel_texture_object
*intel
;
799 intel
= intel_texture_object(obj
);
800 if (intel
->mt
== NULL
|| intel
->mt
->region
== NULL
)
801 return GL_UNDEFINED_APPLE
;
803 return intel_buffer_unpurgeable(intel
->mt
->region
->bo
);
807 intel_render_object_unpurgeable(struct gl_context
* ctx
,
808 struct gl_renderbuffer
*obj
,
811 struct intel_renderbuffer
*intel
;
816 intel
= intel_renderbuffer(obj
);
817 if (intel
->mt
== NULL
)
818 return GL_UNDEFINED_APPLE
;
820 return intel_buffer_unpurgeable(intel
->mt
->region
->bo
);
824 intelInitBufferObjectFuncs(struct dd_function_table
*functions
)
826 functions
->NewBufferObject
= intel_bufferobj_alloc
;
827 functions
->DeleteBuffer
= intel_bufferobj_free
;
828 functions
->BufferData
= intel_bufferobj_data
;
829 functions
->BufferSubData
= intel_bufferobj_subdata
;
830 functions
->GetBufferSubData
= intel_bufferobj_get_subdata
;
831 functions
->MapBufferRange
= intel_bufferobj_map_range
;
832 functions
->FlushMappedBufferRange
= intel_bufferobj_flush_mapped_range
;
833 functions
->UnmapBuffer
= intel_bufferobj_unmap
;
834 functions
->CopyBufferSubData
= intel_bufferobj_copy_subdata
;
836 functions
->BufferObjectPurgeable
= intel_buffer_object_purgeable
;
837 functions
->TextureObjectPurgeable
= intel_texture_object_purgeable
;
838 functions
->RenderObjectPurgeable
= intel_render_object_purgeable
;
840 functions
->BufferObjectUnpurgeable
= intel_buffer_object_unpurgeable
;
841 functions
->TextureObjectUnpurgeable
= intel_texture_object_unpurgeable
;
842 functions
->RenderObjectUnpurgeable
= intel_render_object_unpurgeable
;