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 /* Use the blitter to upload the new data. */
216 drm_intel_bo
*temp_bo
=
217 drm_intel_bo_alloc(intel
->bufmgr
, "subdata temp", size
, 64);
219 drm_intel_bo_subdata(temp_bo
, 0, size
, data
);
221 intel_emit_linear_blit(intel
,
222 intel_obj
->buffer
, offset
,
226 drm_intel_bo_unreference(temp_bo
);
229 drm_intel_bo_subdata(intel_obj
->buffer
, offset
, size
, data
);
235 * Called via glGetBufferSubDataARB().
238 intel_bufferobj_get_subdata(struct gl_context
* ctx
,
241 GLvoid
* data
, struct gl_buffer_object
*obj
)
243 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
244 struct intel_context
*intel
= intel_context(ctx
);
247 if (intel_obj
->sys_buffer
)
248 memcpy(data
, (char *)intel_obj
->sys_buffer
+ offset
, size
);
250 if (drm_intel_bo_references(intel
->batch
.bo
, intel_obj
->buffer
)) {
251 intel_batchbuffer_flush(intel
);
253 drm_intel_bo_get_subdata(intel_obj
->buffer
, offset
, size
, data
);
260 * Called via glMapBufferRange and glMapBuffer
262 * The goal of this extension is to allow apps to accumulate their rendering
263 * at the same time as they accumulate their buffer object. Without it,
264 * you'd end up blocking on execution of rendering every time you mapped
265 * the buffer to put new data in.
267 * We support it in 3 ways: If unsynchronized, then don't bother
268 * flushing the batchbuffer before mapping the buffer, which can save blocking
269 * in many cases. If we would still block, and they allow the whole buffer
270 * to be invalidated, then just allocate a new buffer to replace the old one.
271 * If not, and we'd block, and they allow the subrange of the buffer to be
272 * invalidated, then we can make a new little BO, let them write into that,
273 * and blit it into the real BO at unmap time.
276 intel_bufferobj_map_range(struct gl_context
* ctx
,
277 GLintptr offset
, GLsizeiptr length
,
278 GLbitfield access
, struct gl_buffer_object
*obj
)
280 struct intel_context
*intel
= intel_context(ctx
);
281 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
285 /* _mesa_MapBufferRange (GL entrypoint) sets these, but the vbo module also
286 * internally uses our functions directly.
288 obj
->Offset
= offset
;
289 obj
->Length
= length
;
290 obj
->AccessFlags
= access
;
292 if (intel_obj
->sys_buffer
) {
293 const bool read_only
=
294 (access
& (GL_MAP_READ_BIT
| GL_MAP_WRITE_BIT
)) == GL_MAP_READ_BIT
;
296 if (!read_only
&& intel_obj
->source
)
297 release_buffer(intel_obj
);
299 if (!intel_obj
->buffer
|| intel_obj
->source
) {
300 obj
->Pointer
= intel_obj
->sys_buffer
+ offset
;
304 free(intel_obj
->sys_buffer
);
305 intel_obj
->sys_buffer
= NULL
;
308 if (intel_obj
->buffer
== NULL
) {
313 /* If the access is synchronized (like a normal buffer mapping), then get
314 * things flushed out so the later mapping syncs appropriately through GEM.
315 * If the user doesn't care about existing buffer contents and mapping would
316 * cause us to block, then throw out the old buffer.
318 * If they set INVALIDATE_BUFFER, we can pitch the current contents to
319 * achieve the required synchronization.
321 if (!(access
& GL_MAP_UNSYNCHRONIZED_BIT
)) {
322 if (drm_intel_bo_references(intel
->batch
.bo
, intel_obj
->buffer
)) {
323 if (access
& GL_MAP_INVALIDATE_BUFFER_BIT
) {
324 drm_intel_bo_unreference(intel_obj
->buffer
);
325 intel_bufferobj_alloc_buffer(intel
, intel_obj
);
329 } else if (drm_intel_bo_busy(intel_obj
->buffer
) &&
330 (access
& GL_MAP_INVALIDATE_BUFFER_BIT
)) {
331 drm_intel_bo_unreference(intel_obj
->buffer
);
332 intel_bufferobj_alloc_buffer(intel
, intel_obj
);
336 /* If the user is mapping a range of an active buffer object but
337 * doesn't require the current contents of that range, make a new
338 * BO, and we'll copy what they put in there out at unmap or
341 if ((access
& GL_MAP_INVALIDATE_RANGE_BIT
) &&
342 drm_intel_bo_busy(intel_obj
->buffer
)) {
343 if (access
& GL_MAP_FLUSH_EXPLICIT_BIT
) {
344 intel_obj
->range_map_buffer
= malloc(length
);
345 obj
->Pointer
= intel_obj
->range_map_buffer
;
347 intel_obj
->range_map_bo
= drm_intel_bo_alloc(intel
->bufmgr
,
350 if (!(access
& GL_MAP_READ_BIT
)) {
351 drm_intel_gem_bo_map_gtt(intel_obj
->range_map_bo
);
353 drm_intel_bo_map(intel_obj
->range_map_bo
,
354 (access
& GL_MAP_WRITE_BIT
) != 0);
356 obj
->Pointer
= intel_obj
->range_map_bo
->virtual;
361 if (access
& GL_MAP_UNSYNCHRONIZED_BIT
)
362 drm_intel_gem_bo_map_unsynchronized(intel_obj
->buffer
);
363 else if (!(access
& GL_MAP_READ_BIT
)) {
364 drm_intel_gem_bo_map_gtt(intel_obj
->buffer
);
366 drm_intel_bo_map(intel_obj
->buffer
, (access
& GL_MAP_WRITE_BIT
) != 0);
369 obj
->Pointer
= intel_obj
->buffer
->virtual + offset
;
373 /* Ideally we'd use a BO to avoid taking up cache space for the temporary
374 * data, but FlushMappedBufferRange may be followed by further writes to
375 * the pointer, so we would have to re-map after emitting our blit, which
376 * would defeat the point.
379 intel_bufferobj_flush_mapped_range(struct gl_context
*ctx
,
380 GLintptr offset
, GLsizeiptr length
,
381 struct gl_buffer_object
*obj
)
383 struct intel_context
*intel
= intel_context(ctx
);
384 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
385 drm_intel_bo
*temp_bo
;
387 /* Unless we're in the range map using a temporary system buffer,
388 * there's no work to do.
390 if (intel_obj
->range_map_buffer
== NULL
)
396 temp_bo
= drm_intel_bo_alloc(intel
->bufmgr
, "range map flush", length
, 64);
398 drm_intel_bo_subdata(temp_bo
, 0, length
, intel_obj
->range_map_buffer
);
400 intel_emit_linear_blit(intel
,
401 intel_obj
->buffer
, obj
->Offset
+ offset
,
405 drm_intel_bo_unreference(temp_bo
);
410 * Called via glUnmapBuffer().
413 intel_bufferobj_unmap(struct gl_context
* ctx
, struct gl_buffer_object
*obj
)
415 struct intel_context
*intel
= intel_context(ctx
);
416 struct intel_buffer_object
*intel_obj
= intel_buffer_object(obj
);
419 assert(obj
->Pointer
);
420 if (intel_obj
->sys_buffer
!= NULL
) {
421 /* always keep the mapping around. */
422 } else if (intel_obj
->range_map_buffer
!= NULL
) {
423 /* Since we've emitted some blits to buffers that will (likely) be used
424 * in rendering operations in other cache domains in this batch, emit a
425 * flush. Once again, we wish for a domain tracker in libdrm to cover
426 * usage inside of a batchbuffer.
428 intel_batchbuffer_emit_mi_flush(intel
);
429 free(intel_obj
->range_map_buffer
);
430 intel_obj
->range_map_buffer
= NULL
;
431 } else if (intel_obj
->range_map_bo
!= NULL
) {
432 drm_intel_bo_unmap(intel_obj
->range_map_bo
);
434 intel_emit_linear_blit(intel
,
435 intel_obj
->buffer
, obj
->Offset
,
436 intel_obj
->range_map_bo
, 0,
439 /* Since we've emitted some blits to buffers that will (likely) be used
440 * in rendering operations in other cache domains in this batch, emit a
441 * flush. Once again, we wish for a domain tracker in libdrm to cover
442 * usage inside of a batchbuffer.
444 intel_batchbuffer_emit_mi_flush(intel
);
446 drm_intel_bo_unreference(intel_obj
->range_map_bo
);
447 intel_obj
->range_map_bo
= NULL
;
448 } else if (intel_obj
->buffer
!= NULL
) {
449 drm_intel_bo_unmap(intel_obj
->buffer
);
459 intel_bufferobj_buffer(struct intel_context
*intel
,
460 struct intel_buffer_object
*intel_obj
,
463 if (intel_obj
->source
)
464 release_buffer(intel_obj
);
466 if (intel_obj
->buffer
== NULL
) {
467 intel_bufferobj_alloc_buffer(intel
, intel_obj
);
468 drm_intel_bo_subdata(intel_obj
->buffer
,
469 0, intel_obj
->Base
.Size
,
470 intel_obj
->sys_buffer
);
472 free(intel_obj
->sys_buffer
);
473 intel_obj
->sys_buffer
= NULL
;
474 intel_obj
->offset
= 0;
477 return intel_obj
->buffer
;
480 #define INTEL_UPLOAD_SIZE (64*1024)
483 intel_upload_finish(struct intel_context
*intel
)
485 if (!intel
->upload
.bo
)
488 if (intel
->upload
.buffer_len
) {
489 drm_intel_bo_subdata(intel
->upload
.bo
,
490 intel
->upload
.buffer_offset
,
491 intel
->upload
.buffer_len
,
492 intel
->upload
.buffer
);
493 intel
->upload
.buffer_len
= 0;
496 drm_intel_bo_unreference(intel
->upload
.bo
);
497 intel
->upload
.bo
= NULL
;
500 static void wrap_buffers(struct intel_context
*intel
, GLuint size
)
502 intel_upload_finish(intel
);
504 if (size
< INTEL_UPLOAD_SIZE
)
505 size
= INTEL_UPLOAD_SIZE
;
507 intel
->upload
.bo
= drm_intel_bo_alloc(intel
->bufmgr
, "upload", size
, 0);
508 intel
->upload
.offset
= 0;
511 void intel_upload_data(struct intel_context
*intel
,
512 const void *ptr
, GLuint size
, GLuint align
,
513 drm_intel_bo
**return_bo
,
514 GLuint
*return_offset
)
518 base
= (intel
->upload
.offset
+ align
- 1) / align
* align
;
519 if (intel
->upload
.bo
== NULL
|| base
+ size
> intel
->upload
.bo
->size
) {
520 wrap_buffers(intel
, size
);
524 drm_intel_bo_reference(intel
->upload
.bo
);
525 *return_bo
= intel
->upload
.bo
;
526 *return_offset
= base
;
528 delta
= base
- intel
->upload
.offset
;
529 if (intel
->upload
.buffer_len
&&
530 intel
->upload
.buffer_len
+ delta
+ size
> sizeof(intel
->upload
.buffer
))
532 drm_intel_bo_subdata(intel
->upload
.bo
,
533 intel
->upload
.buffer_offset
,
534 intel
->upload
.buffer_len
,
535 intel
->upload
.buffer
);
536 intel
->upload
.buffer_len
= 0;
539 if (size
< sizeof(intel
->upload
.buffer
))
541 if (intel
->upload
.buffer_len
== 0)
542 intel
->upload
.buffer_offset
= base
;
544 intel
->upload
.buffer_len
+= delta
;
546 memcpy(intel
->upload
.buffer
+ intel
->upload
.buffer_len
, ptr
, size
);
547 intel
->upload
.buffer_len
+= size
;
551 drm_intel_bo_subdata(intel
->upload
.bo
, base
, size
, ptr
);
554 intel
->upload
.offset
= base
+ size
;
557 void *intel_upload_map(struct intel_context
*intel
, GLuint size
, GLuint align
)
562 base
= (intel
->upload
.offset
+ align
- 1) / align
* align
;
563 if (intel
->upload
.bo
== NULL
|| base
+ size
> intel
->upload
.bo
->size
) {
564 wrap_buffers(intel
, size
);
568 delta
= base
- intel
->upload
.offset
;
569 if (intel
->upload
.buffer_len
&&
570 intel
->upload
.buffer_len
+ delta
+ size
> sizeof(intel
->upload
.buffer
))
572 drm_intel_bo_subdata(intel
->upload
.bo
,
573 intel
->upload
.buffer_offset
,
574 intel
->upload
.buffer_len
,
575 intel
->upload
.buffer
);
576 intel
->upload
.buffer_len
= 0;
579 if (size
<= sizeof(intel
->upload
.buffer
)) {
580 if (intel
->upload
.buffer_len
== 0)
581 intel
->upload
.buffer_offset
= base
;
583 intel
->upload
.buffer_len
+= delta
;
585 ptr
= intel
->upload
.buffer
+ intel
->upload
.buffer_len
;
586 intel
->upload
.buffer_len
+= size
;
593 void intel_upload_unmap(struct intel_context
*intel
,
594 const void *ptr
, GLuint size
, GLuint align
,
595 drm_intel_bo
**return_bo
,
596 GLuint
*return_offset
)
600 base
= (intel
->upload
.offset
+ align
- 1) / align
* align
;
601 if (size
> sizeof(intel
->upload
.buffer
)) {
602 drm_intel_bo_subdata(intel
->upload
.bo
, base
, size
, ptr
);
606 drm_intel_bo_reference(intel
->upload
.bo
);
607 *return_bo
= intel
->upload
.bo
;
608 *return_offset
= base
;
610 intel
->upload
.offset
= base
+ size
;
614 intel_bufferobj_source(struct intel_context
*intel
,
615 struct intel_buffer_object
*intel_obj
,
616 GLuint align
, GLuint
*offset
)
618 if (intel_obj
->buffer
== NULL
) {
619 intel_upload_data(intel
,
620 intel_obj
->sys_buffer
, intel_obj
->Base
.Size
, align
,
621 &intel_obj
->buffer
, &intel_obj
->offset
);
622 intel_obj
->source
= 1;
625 *offset
= intel_obj
->offset
;
626 return intel_obj
->buffer
;
630 intel_bufferobj_copy_subdata(struct gl_context
*ctx
,
631 struct gl_buffer_object
*src
,
632 struct gl_buffer_object
*dst
,
633 GLintptr read_offset
, GLintptr write_offset
,
636 struct intel_context
*intel
= intel_context(ctx
);
637 struct intel_buffer_object
*intel_src
= intel_buffer_object(src
);
638 struct intel_buffer_object
*intel_dst
= intel_buffer_object(dst
);
639 drm_intel_bo
*src_bo
, *dst_bo
;
645 /* If we're in system memory, just map and memcpy. */
646 if (intel_src
->sys_buffer
|| intel_dst
->sys_buffer
) {
647 /* The same buffer may be used, but note that regions copied may
651 char *ptr
= intel_bufferobj_map_range(ctx
, 0, dst
->Size
,
655 memmove(ptr
+ write_offset
, ptr
+ read_offset
, size
);
656 intel_bufferobj_unmap(ctx
, dst
);
661 src_ptr
= intel_bufferobj_map_range(ctx
, 0, src
->Size
,
662 GL_MAP_READ_BIT
, src
);
663 dst_ptr
= intel_bufferobj_map_range(ctx
, 0, dst
->Size
,
664 GL_MAP_WRITE_BIT
, dst
);
666 memcpy(dst_ptr
+ write_offset
, src_ptr
+ read_offset
, size
);
668 intel_bufferobj_unmap(ctx
, src
);
669 intel_bufferobj_unmap(ctx
, dst
);
674 /* Otherwise, we have real BOs, so blit them. */
676 dst_bo
= intel_bufferobj_buffer(intel
, intel_dst
, INTEL_WRITE_PART
);
677 src_bo
= intel_bufferobj_source(intel
, intel_src
, 64, &src_offset
);
679 intel_emit_linear_blit(intel
,
680 dst_bo
, write_offset
,
681 src_bo
, read_offset
+ src_offset
, size
);
683 /* Since we've emitted some blits to buffers that will (likely) be used
684 * in rendering operations in other cache domains in this batch, emit a
685 * flush. Once again, we wish for a domain tracker in libdrm to cover
686 * usage inside of a batchbuffer.
688 intel_batchbuffer_emit_mi_flush(intel
);
691 #if FEATURE_APPLE_object_purgeable
693 intel_buffer_purgeable(drm_intel_bo
*buffer
)
698 retained
= drm_intel_bo_madvise (buffer
, I915_MADV_DONTNEED
);
700 return retained
? GL_VOLATILE_APPLE
: GL_RELEASED_APPLE
;
704 intel_buffer_object_purgeable(struct gl_context
* ctx
,
705 struct gl_buffer_object
*obj
,
708 struct intel_buffer_object
*intel_obj
= intel_buffer_object (obj
);
710 if (intel_obj
->buffer
!= NULL
)
711 return intel_buffer_purgeable(intel_obj
->buffer
);
713 if (option
== GL_RELEASED_APPLE
) {
714 if (intel_obj
->sys_buffer
!= NULL
) {
715 free(intel_obj
->sys_buffer
);
716 intel_obj
->sys_buffer
= NULL
;
719 return GL_RELEASED_APPLE
;
721 /* XXX Create the buffer and madvise(MADV_DONTNEED)? */
722 struct intel_context
*intel
= intel_context(ctx
);
723 drm_intel_bo
*bo
= intel_bufferobj_buffer(intel
, intel_obj
, INTEL_READ
);
725 return intel_buffer_purgeable(bo
);
730 intel_texture_object_purgeable(struct gl_context
* ctx
,
731 struct gl_texture_object
*obj
,
734 struct intel_texture_object
*intel
;
739 intel
= intel_texture_object(obj
);
740 if (intel
->mt
== NULL
|| intel
->mt
->region
== NULL
)
741 return GL_RELEASED_APPLE
;
743 return intel_buffer_purgeable(intel
->mt
->region
->bo
);
747 intel_render_object_purgeable(struct gl_context
* ctx
,
748 struct gl_renderbuffer
*obj
,
751 struct intel_renderbuffer
*intel
;
756 intel
= intel_renderbuffer(obj
);
757 if (intel
->mt
== NULL
)
758 return GL_RELEASED_APPLE
;
760 return intel_buffer_purgeable(intel
->mt
->region
->bo
);
764 intel_buffer_unpurgeable(drm_intel_bo
*buffer
)
770 retained
= drm_intel_bo_madvise (buffer
, I915_MADV_WILLNEED
);
772 return retained
? GL_RETAINED_APPLE
: GL_UNDEFINED_APPLE
;
776 intel_buffer_object_unpurgeable(struct gl_context
* ctx
,
777 struct gl_buffer_object
*obj
,
783 return intel_buffer_unpurgeable(intel_buffer_object (obj
)->buffer
);
787 intel_texture_object_unpurgeable(struct gl_context
* ctx
,
788 struct gl_texture_object
*obj
,
791 struct intel_texture_object
*intel
;
796 intel
= intel_texture_object(obj
);
797 if (intel
->mt
== NULL
|| intel
->mt
->region
== NULL
)
798 return GL_UNDEFINED_APPLE
;
800 return intel_buffer_unpurgeable(intel
->mt
->region
->bo
);
804 intel_render_object_unpurgeable(struct gl_context
* ctx
,
805 struct gl_renderbuffer
*obj
,
808 struct intel_renderbuffer
*intel
;
813 intel
= intel_renderbuffer(obj
);
814 if (intel
->mt
== NULL
)
815 return GL_UNDEFINED_APPLE
;
817 return intel_buffer_unpurgeable(intel
->mt
->region
->bo
);
822 intelInitBufferObjectFuncs(struct dd_function_table
*functions
)
824 functions
->NewBufferObject
= intel_bufferobj_alloc
;
825 functions
->DeleteBuffer
= intel_bufferobj_free
;
826 functions
->BufferData
= intel_bufferobj_data
;
827 functions
->BufferSubData
= intel_bufferobj_subdata
;
828 functions
->GetBufferSubData
= intel_bufferobj_get_subdata
;
829 functions
->MapBufferRange
= intel_bufferobj_map_range
;
830 functions
->FlushMappedBufferRange
= intel_bufferobj_flush_mapped_range
;
831 functions
->UnmapBuffer
= intel_bufferobj_unmap
;
832 functions
->CopyBufferSubData
= intel_bufferobj_copy_subdata
;
834 #if FEATURE_APPLE_object_purgeable
835 functions
->BufferObjectPurgeable
= intel_buffer_object_purgeable
;
836 functions
->TextureObjectPurgeable
= intel_texture_object_purgeable
;
837 functions
->RenderObjectPurgeable
= intel_render_object_purgeable
;
839 functions
->BufferObjectUnpurgeable
= intel_buffer_object_unpurgeable
;
840 functions
->TextureObjectUnpurgeable
= intel_texture_object_unpurgeable
;
841 functions
->RenderObjectUnpurgeable
= intel_render_object_unpurgeable
;