1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
26 #include "svga3d_reg.h"
27 #include "svga3d_surfacedefs.h"
29 #include "pipe/p_state.h"
30 #include "pipe/p_defines.h"
31 #include "os/os_thread.h"
32 #include "util/u_format.h"
33 #include "util/u_inlines.h"
34 #include "util/u_math.h"
35 #include "util/u_memory.h"
36 #include "util/u_resource.h"
37 #include "util/u_upload_mgr.h"
40 #include "svga_format.h"
41 #include "svga_screen.h"
42 #include "svga_context.h"
43 #include "svga_resource_texture.h"
44 #include "svga_resource_buffer.h"
45 #include "svga_sampler_view.h"
46 #include "svga_winsys.h"
47 #include "svga_debug.h"
51 svga_transfer_dma_band(struct svga_context
*svga
,
52 struct svga_transfer
*st
,
53 SVGA3dTransferType transfer
,
54 unsigned x
, unsigned y
, unsigned z
,
55 unsigned w
, unsigned h
, unsigned d
,
56 unsigned srcx
, unsigned srcy
, unsigned srcz
,
57 SVGA3dSurfaceDMAFlags flags
)
59 struct svga_texture
*texture
= svga_texture(st
->base
.resource
);
63 assert(!st
->use_direct_map
);
75 SVGA_DBG(DEBUG_DMA
, "dma %s sid %p, face %u, (%u, %u, %u) - "
76 "(%u, %u, %u), %ubpp\n",
77 transfer
== SVGA3D_WRITE_HOST_VRAM
? "to" : "from",
86 util_format_get_blocksize(texture
->b
.b
.format
) * 8 /
87 (util_format_get_blockwidth(texture
->b
.b
.format
)
88 * util_format_get_blockheight(texture
->b
.b
.format
)));
90 ret
= SVGA3D_SurfaceDMA(svga
->swc
, st
, transfer
, &box
, 1, flags
);
92 svga_context_flush(svga
, NULL
);
93 ret
= SVGA3D_SurfaceDMA(svga
->swc
, st
, transfer
, &box
, 1, flags
);
94 assert(ret
== PIPE_OK
);
100 svga_transfer_dma(struct svga_context
*svga
,
101 struct svga_transfer
*st
,
102 SVGA3dTransferType transfer
,
103 SVGA3dSurfaceDMAFlags flags
)
105 struct svga_texture
*texture
= svga_texture(st
->base
.resource
);
106 struct svga_screen
*screen
= svga_screen(texture
->b
.b
.screen
);
107 struct svga_winsys_screen
*sws
= screen
->sws
;
108 struct pipe_fence_handle
*fence
= NULL
;
110 assert(!st
->use_direct_map
);
112 if (transfer
== SVGA3D_READ_HOST_VRAM
) {
113 SVGA_DBG(DEBUG_PERF
, "%s: readback transfer\n", __FUNCTION__
);
116 /* Ensure any pending operations on host surfaces are queued on the command
119 svga_surfaces_flush(svga
);
122 /* Do the DMA transfer in a single go */
123 svga_transfer_dma_band(svga
, st
, transfer
,
124 st
->box
.x
, st
->box
.y
, st
->box
.z
,
125 st
->box
.w
, st
->box
.h
, st
->box
.d
,
129 if (transfer
== SVGA3D_READ_HOST_VRAM
) {
130 svga_context_flush(svga
, &fence
);
131 sws
->fence_finish(sws
, fence
, PIPE_TIMEOUT_INFINITE
, 0);
132 sws
->fence_reference(sws
, &fence
, NULL
);
137 unsigned blockheight
=
138 util_format_get_blockheight(st
->base
.resource
->format
);
140 h
= st
->hw_nblocksy
* blockheight
;
143 for (y
= 0; y
< st
->box
.h
; y
+= h
) {
144 unsigned offset
, length
;
147 if (y
+ h
> st
->box
.h
)
150 /* Transfer band must be aligned to pixel block boundaries */
151 assert(y
% blockheight
== 0);
152 assert(h
% blockheight
== 0);
154 offset
= y
* st
->base
.stride
/ blockheight
;
155 length
= h
* st
->base
.stride
/ blockheight
;
157 sw
= (uint8_t *) st
->swbuf
+ offset
;
159 if (transfer
== SVGA3D_WRITE_HOST_VRAM
) {
160 unsigned usage
= PIPE_TRANSFER_WRITE
;
162 /* Wait for the previous DMAs to complete */
163 /* TODO: keep one DMA (at half the size) in the background */
165 svga_context_flush(svga
, NULL
);
166 usage
|= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE
;
169 hw
= sws
->buffer_map(sws
, st
->hwbuf
, usage
);
172 memcpy(hw
, sw
, length
);
173 sws
->buffer_unmap(sws
, st
->hwbuf
);
177 svga_transfer_dma_band(svga
, st
, transfer
,
178 st
->box
.x
, y
, st
->box
.z
,
179 st
->box
.w
, h
, st
->box
.d
,
183 * Prevent the texture contents to be discarded on the next band
186 flags
.discard
= FALSE
;
188 if (transfer
== SVGA3D_READ_HOST_VRAM
) {
189 svga_context_flush(svga
, &fence
);
190 sws
->fence_finish(sws
, fence
, PIPE_TIMEOUT_INFINITE
, 0);
192 hw
= sws
->buffer_map(sws
, st
->hwbuf
, PIPE_TRANSFER_READ
);
195 memcpy(sw
, hw
, length
);
196 sws
->buffer_unmap(sws
, st
->hwbuf
);
206 svga_texture_get_handle(struct pipe_screen
*screen
,
207 struct pipe_resource
*texture
,
208 struct winsys_handle
*whandle
)
210 struct svga_winsys_screen
*sws
= svga_winsys_screen(texture
->screen
);
213 assert(svga_texture(texture
)->key
.cachable
== 0);
214 svga_texture(texture
)->key
.cachable
= 0;
216 stride
= util_format_get_nblocksx(texture
->format
, texture
->width0
) *
217 util_format_get_blocksize(texture
->format
);
219 return sws
->surface_get_handle(sws
, svga_texture(texture
)->handle
,
225 svga_texture_destroy(struct pipe_screen
*screen
,
226 struct pipe_resource
*pt
)
228 struct svga_screen
*ss
= svga_screen(screen
);
229 struct svga_texture
*tex
= svga_texture(pt
);
231 ss
->texture_timestamp
++;
233 svga_sampler_view_reference(&tex
->cached_view
, NULL
);
236 DBG("%s deleting %p\n", __FUNCTION__, (void *) tex);
238 SVGA_DBG(DEBUG_DMA
, "unref sid %p (texture)\n", tex
->handle
);
239 svga_screen_surface_destroy(ss
, &tex
->key
, &tex
->handle
);
241 /* Destroy the backed surface handle if exists */
242 if (tex
->backed_handle
)
243 svga_screen_surface_destroy(ss
, &tex
->backed_key
, &tex
->backed_handle
);
245 ss
->hud
.total_resource_bytes
-= tex
->size
;
248 FREE(tex
->rendered_to
);
252 assert(ss
->hud
.num_resources
> 0);
253 if (ss
->hud
.num_resources
> 0)
254 ss
->hud
.num_resources
--;
259 * Determine if we need to read back a texture image before mapping it.
261 static inline boolean
262 need_tex_readback(struct svga_transfer
*st
)
264 if (st
->base
.usage
& PIPE_TRANSFER_READ
)
267 if ((st
->base
.usage
& PIPE_TRANSFER_WRITE
) &&
268 ((st
->base
.usage
& PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE
) == 0)) {
269 return svga_was_texture_rendered_to(svga_texture(st
->base
.resource
),
270 st
->slice
, st
->base
.level
);
277 static enum pipe_error
278 readback_image_vgpu9(struct svga_context
*svga
,
279 struct svga_winsys_surface
*surf
,
285 ret
= SVGA3D_ReadbackGBImage(svga
->swc
, surf
, slice
, level
);
286 if (ret
!= PIPE_OK
) {
287 svga_context_flush(svga
, NULL
);
288 ret
= SVGA3D_ReadbackGBImage(svga
->swc
, surf
, slice
, level
);
294 static enum pipe_error
295 readback_image_vgpu10(struct svga_context
*svga
,
296 struct svga_winsys_surface
*surf
,
299 unsigned numMipLevels
)
302 unsigned subResource
;
304 subResource
= slice
* numMipLevels
+ level
;
305 ret
= SVGA3D_vgpu10_ReadbackSubResource(svga
->swc
, surf
, subResource
);
306 if (ret
!= PIPE_OK
) {
307 svga_context_flush(svga
, NULL
);
308 ret
= SVGA3D_vgpu10_ReadbackSubResource(svga
->swc
, surf
, subResource
);
315 * Use DMA for the transfer request
318 svga_texture_transfer_map_dma(struct svga_context
*svga
,
319 struct svga_transfer
*st
)
321 struct svga_winsys_screen
*sws
= svga_screen(svga
->pipe
.screen
)->sws
;
322 struct pipe_resource
*texture
= st
->base
.resource
;
323 unsigned nblocksx
, nblocksy
;
325 unsigned usage
= st
->base
.usage
;
327 /* we'll put the data into a tightly packed buffer */
328 nblocksx
= util_format_get_nblocksx(texture
->format
, st
->box
.w
);
329 nblocksy
= util_format_get_nblocksy(texture
->format
, st
->box
.h
);
332 st
->base
.stride
= nblocksx
*util_format_get_blocksize(texture
->format
);
333 st
->base
.layer_stride
= st
->base
.stride
* nblocksy
;
334 st
->hw_nblocksy
= nblocksy
;
336 st
->hwbuf
= svga_winsys_buffer_create(svga
, 1, 0,
337 st
->hw_nblocksy
* st
->base
.stride
* d
);
339 while (!st
->hwbuf
&& (st
->hw_nblocksy
/= 2)) {
341 svga_winsys_buffer_create(svga
, 1, 0,
342 st
->hw_nblocksy
* st
->base
.stride
* d
);
348 if (st
->hw_nblocksy
< nblocksy
) {
349 /* We couldn't allocate a hardware buffer big enough for the transfer,
350 * so allocate regular malloc memory instead
353 debug_printf("%s: failed to allocate %u KB of DMA, "
354 "splitting into %u x %u KB DMA transfers\n",
356 (nblocksy
* st
->base
.stride
+ 1023) / 1024,
357 (nblocksy
+ st
->hw_nblocksy
- 1) / st
->hw_nblocksy
,
358 (st
->hw_nblocksy
* st
->base
.stride
+ 1023) / 1024);
361 st
->swbuf
= MALLOC(nblocksy
* st
->base
.stride
* d
);
363 sws
->buffer_destroy(sws
, st
->hwbuf
);
368 if (usage
& PIPE_TRANSFER_READ
) {
369 SVGA3dSurfaceDMAFlags flags
;
370 memset(&flags
, 0, sizeof flags
);
371 svga_transfer_dma(svga
, st
, SVGA3D_READ_HOST_VRAM
, flags
);
378 return sws
->buffer_map(sws
, st
->hwbuf
, usage
);
384 * Use direct map for the transfer request
387 svga_texture_transfer_map_direct(struct svga_context
*svga
,
388 struct svga_transfer
*st
)
390 struct svga_winsys_screen
*sws
= svga_screen(svga
->pipe
.screen
)->sws
;
391 struct pipe_transfer
*transfer
= &st
->base
;
392 struct pipe_resource
*texture
= transfer
->resource
;
393 struct svga_texture
*tex
= svga_texture(texture
);
394 struct svga_winsys_surface
*surf
= tex
->handle
;
395 unsigned level
= st
->base
.level
;
396 unsigned w
, h
, nblocksx
, nblocksy
, i
;
397 unsigned usage
= st
->base
.usage
;
399 if (need_tex_readback(st
)) {
402 svga_surfaces_flush(svga
);
404 if (!svga
->swc
->force_coherent
|| tex
->imported
) {
405 for (i
= 0; i
< st
->box
.d
; i
++) {
406 if (svga_have_vgpu10(svga
)) {
407 ret
= readback_image_vgpu10(svga
, surf
, st
->slice
+ i
, level
,
408 tex
->b
.b
.last_level
+ 1);
410 ret
= readback_image_vgpu9(svga
, surf
, st
->slice
+ i
, level
);
413 svga
->hud
.num_readbacks
++;
414 SVGA_STATS_COUNT_INC(sws
, SVGA_STATS_COUNT_TEXREADBACK
);
416 assert(ret
== PIPE_OK
);
419 svga_context_flush(svga
, NULL
);
422 * Note: if PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE were specified
423 * we could potentially clear the flag for all faces/layers/mips.
425 svga_clear_texture_rendered_to(tex
, st
->slice
, level
);
428 assert(usage
& PIPE_TRANSFER_WRITE
);
429 if ((usage
& PIPE_TRANSFER_UNSYNCHRONIZED
) == 0) {
430 if (svga_is_texture_dirty(tex
, st
->slice
, level
)) {
432 * do a surface flush if the subresource has been modified
433 * in this command buffer.
435 svga_surfaces_flush(svga
);
436 if (!sws
->surface_is_flushed(sws
, surf
)) {
437 svga
->hud
.surface_write_flushes
++;
438 SVGA_STATS_COUNT_INC(sws
, SVGA_STATS_COUNT_SURFACEWRITEFLUSH
);
439 svga_context_flush(svga
, NULL
);
445 /* we'll directly access the guest-backed surface */
446 w
= u_minify(texture
->width0
, level
);
447 h
= u_minify(texture
->height0
, level
);
448 nblocksx
= util_format_get_nblocksx(texture
->format
, w
);
449 nblocksy
= util_format_get_nblocksy(texture
->format
, h
);
450 st
->hw_nblocksy
= nblocksy
;
451 st
->base
.stride
= nblocksx
*util_format_get_blocksize(texture
->format
);
452 st
->base
.layer_stride
= st
->base
.stride
* nblocksy
;
458 SVGA3dSize baseLevelSize
;
461 unsigned offset
, mip_width
, mip_height
;
463 map
= svga
->swc
->surface_map(svga
->swc
, surf
, usage
, &retry
);
464 if (map
== NULL
&& retry
) {
466 * At this point, the svga_surfaces_flush() should already have
467 * called in svga_texture_get_transfer().
469 svga
->hud
.surface_write_flushes
++;
470 svga_context_flush(svga
, NULL
);
471 map
= svga
->swc
->surface_map(svga
->swc
, surf
, usage
, &retry
);
475 * Make sure we return NULL if the map fails
482 * Compute the offset to the specific texture slice in the buffer.
484 baseLevelSize
.width
= tex
->b
.b
.width0
;
485 baseLevelSize
.height
= tex
->b
.b
.height0
;
486 baseLevelSize
.depth
= tex
->b
.b
.depth0
;
488 if ((tex
->b
.b
.target
== PIPE_TEXTURE_1D_ARRAY
) ||
489 (tex
->b
.b
.target
== PIPE_TEXTURE_2D_ARRAY
) ||
490 (tex
->b
.b
.target
== PIPE_TEXTURE_CUBE_ARRAY
)) {
491 st
->base
.layer_stride
=
492 svga3dsurface_get_image_offset(tex
->key
.format
, baseLevelSize
,
493 tex
->b
.b
.last_level
+ 1, 1, 0);
496 offset
= svga3dsurface_get_image_offset(tex
->key
.format
, baseLevelSize
,
497 tex
->b
.b
.last_level
+ 1, /* numMips */
503 mip_width
= u_minify(tex
->b
.b
.width0
, level
);
504 mip_height
= u_minify(tex
->b
.b
.height0
, level
);
506 offset
+= svga3dsurface_get_pixel_offset(tex
->key
.format
,
507 mip_width
, mip_height
,
512 return (void *) (map
+ offset
);
518 * Request a transfer map to the texture resource
521 svga_texture_transfer_map(struct pipe_context
*pipe
,
522 struct pipe_resource
*texture
,
525 const struct pipe_box
*box
,
526 struct pipe_transfer
**ptransfer
)
528 struct svga_context
*svga
= svga_context(pipe
);
529 struct svga_winsys_screen
*sws
= svga_screen(pipe
->screen
)->sws
;
530 struct svga_texture
*tex
= svga_texture(texture
);
531 struct svga_transfer
*st
;
532 struct svga_winsys_surface
*surf
= tex
->handle
;
533 boolean use_direct_map
= svga_have_gb_objects(svga
) &&
534 !svga_have_gb_dma(svga
);
536 int64_t begin
= svga_get_time(svga
);
538 SVGA_STATS_TIME_PUSH(sws
, SVGA_STATS_TIME_TEXTRANSFERMAP
);
543 /* We can't map texture storage directly unless we have GB objects */
544 if (usage
& PIPE_TRANSFER_MAP_DIRECTLY
) {
545 if (svga_have_gb_objects(svga
))
546 use_direct_map
= TRUE
;
551 st
= CALLOC_STRUCT(svga_transfer
);
555 st
->base
.level
= level
;
556 st
->base
.usage
= usage
;
559 /* The modified transfer map box with the array index removed from z.
560 * The array index is specified in slice.
565 st
->box
.w
= box
->width
;
566 st
->box
.h
= box
->height
;
567 st
->box
.d
= box
->depth
;
569 switch (tex
->b
.b
.target
) {
570 case PIPE_TEXTURE_CUBE
:
571 st
->slice
= st
->base
.box
.z
;
572 st
->box
.z
= 0; /* so we don't apply double offsets below */
574 case PIPE_TEXTURE_1D_ARRAY
:
575 case PIPE_TEXTURE_2D_ARRAY
:
576 case PIPE_TEXTURE_CUBE_ARRAY
:
577 st
->slice
= st
->base
.box
.z
;
578 st
->box
.z
= 0; /* so we don't apply double offsets below */
580 /* Force direct map for transfering multiple slices */
581 if (st
->base
.box
.depth
> 1)
582 use_direct_map
= svga_have_gb_objects(svga
);
590 /* Force direct map for multisample surface */
591 if (texture
->nr_samples
> 1) {
592 assert(svga_have_gb_objects(svga
));
593 assert(sws
->have_sm4_1
);
594 use_direct_map
= TRUE
;
597 st
->use_direct_map
= use_direct_map
;
598 pipe_resource_reference(&st
->base
.resource
, texture
);
600 /* If this is the first time mapping to the surface in this
601 * command buffer, clear the dirty masks of this surface.
603 if (sws
->surface_is_flushed(sws
, surf
)) {
604 svga_clear_texture_dirty(tex
);
607 if (!use_direct_map
) {
608 /* upload to the DMA buffer */
609 map
= svga_texture_transfer_map_dma(svga
, st
);
612 boolean can_use_upload
= tex
->can_use_upload
&&
613 !(st
->base
.usage
& PIPE_TRANSFER_READ
);
614 boolean was_rendered_to
=
615 svga_was_texture_rendered_to(svga_texture(texture
),
616 st
->slice
, st
->base
.level
);
618 /* If the texture was already rendered to and upload buffer
619 * is supported, then we will use upload buffer to
620 * avoid the need to read back the texture content; otherwise,
621 * we'll first try to map directly to the GB surface, if it is blocked,
622 * then we'll try the upload buffer.
624 if (was_rendered_to
&& can_use_upload
) {
625 map
= svga_texture_transfer_map_upload(svga
, st
);
628 unsigned orig_usage
= st
->base
.usage
;
630 /* First try directly map to the GB surface */
632 st
->base
.usage
|= PIPE_TRANSFER_DONTBLOCK
;
633 map
= svga_texture_transfer_map_direct(svga
, st
);
634 st
->base
.usage
= orig_usage
;
636 if (!map
&& can_use_upload
) {
637 /* if direct map with DONTBLOCK fails, then try upload to the
638 * texture upload buffer.
640 map
= svga_texture_transfer_map_upload(svga
, st
);
644 /* If upload fails, then try direct map again without forcing it
648 map
= svga_texture_transfer_map_direct(svga
, st
);
656 *ptransfer
= &st
->base
;
657 svga
->hud
.num_textures_mapped
++;
658 if (usage
& PIPE_TRANSFER_WRITE
) {
659 /* record texture upload for HUD */
660 svga
->hud
.num_bytes_uploaded
+=
661 st
->base
.layer_stride
* st
->box
.d
;
663 /* mark this texture level as dirty */
664 svga_set_texture_dirty(tex
, st
->slice
, level
);
669 svga
->hud
.map_buffer_time
+= (svga_get_time(svga
) - begin
);
670 SVGA_STATS_TIME_POP(sws
);
677 * Unmap a GB texture surface.
680 svga_texture_surface_unmap(struct svga_context
*svga
,
681 struct pipe_transfer
*transfer
)
683 struct svga_winsys_surface
*surf
= svga_texture(transfer
->resource
)->handle
;
684 struct svga_winsys_context
*swc
= svga
->swc
;
689 swc
->surface_unmap(swc
, surf
, &rebind
);
692 ret
= SVGA3D_BindGBSurface(swc
, surf
);
693 if (ret
!= PIPE_OK
) {
694 /* flush and retry */
695 svga_context_flush(svga
, NULL
);
696 ret
= SVGA3D_BindGBSurface(swc
, surf
);
697 assert(ret
== PIPE_OK
);
699 if (swc
->force_coherent
) {
700 ret
= SVGA3D_UpdateGBSurface(swc
, surf
);
701 if (ret
!= PIPE_OK
) {
702 /* flush and retry */
703 svga_context_flush(svga
, NULL
);
704 ret
= SVGA3D_UpdateGBSurface(swc
, surf
);
705 assert(ret
== PIPE_OK
);
712 static enum pipe_error
713 update_image_vgpu9(struct svga_context
*svga
,
714 struct svga_winsys_surface
*surf
,
715 const SVGA3dBox
*box
,
721 ret
= SVGA3D_UpdateGBImage(svga
->swc
, surf
, box
, slice
, level
);
722 if (ret
!= PIPE_OK
) {
723 svga_context_flush(svga
, NULL
);
724 ret
= SVGA3D_UpdateGBImage(svga
->swc
, surf
, box
, slice
, level
);
730 static enum pipe_error
731 update_image_vgpu10(struct svga_context
*svga
,
732 struct svga_winsys_surface
*surf
,
733 const SVGA3dBox
*box
,
736 unsigned numMipLevels
)
739 unsigned subResource
;
741 subResource
= slice
* numMipLevels
+ level
;
743 ret
= SVGA3D_vgpu10_UpdateSubResource(svga
->swc
, surf
, box
, subResource
);
744 if (ret
!= PIPE_OK
) {
745 svga_context_flush(svga
, NULL
);
746 ret
= SVGA3D_vgpu10_UpdateSubResource(svga
->swc
, surf
, box
, subResource
);
753 * unmap DMA transfer request
756 svga_texture_transfer_unmap_dma(struct svga_context
*svga
,
757 struct svga_transfer
*st
)
759 struct svga_winsys_screen
*sws
= svga_screen(svga
->pipe
.screen
)->sws
;
762 sws
->buffer_unmap(sws
, st
->hwbuf
);
764 if (st
->base
.usage
& PIPE_TRANSFER_WRITE
) {
765 /* Use DMA to transfer texture data */
766 SVGA3dSurfaceDMAFlags flags
;
767 struct pipe_resource
*texture
= st
->base
.resource
;
768 struct svga_texture
*tex
= svga_texture(texture
);
771 memset(&flags
, 0, sizeof flags
);
772 if (st
->base
.usage
& PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE
) {
773 flags
.discard
= TRUE
;
775 if (st
->base
.usage
& PIPE_TRANSFER_UNSYNCHRONIZED
) {
776 flags
.unsynchronized
= TRUE
;
779 svga_transfer_dma(svga
, st
, SVGA3D_WRITE_HOST_VRAM
, flags
);
780 svga_set_texture_rendered_to(tex
, st
->slice
, st
->base
.level
);
784 sws
->buffer_destroy(sws
, st
->hwbuf
);
789 * unmap direct map transfer request
792 svga_texture_transfer_unmap_direct(struct svga_context
*svga
,
793 struct svga_transfer
*st
)
795 struct pipe_transfer
*transfer
= &st
->base
;
796 struct svga_texture
*tex
= svga_texture(transfer
->resource
);
798 svga_texture_surface_unmap(svga
, transfer
);
800 /* Now send an update command to update the content in the backend. */
801 if (st
->base
.usage
& PIPE_TRANSFER_WRITE
) {
802 struct svga_winsys_surface
*surf
= tex
->handle
;
805 assert(svga_have_gb_objects(svga
));
807 /* update the effected region */
808 SVGA3dBox box
= st
->box
;
811 switch (tex
->b
.b
.target
) {
812 case PIPE_TEXTURE_2D_ARRAY
:
813 case PIPE_TEXTURE_CUBE_ARRAY
:
814 case PIPE_TEXTURE_1D_ARRAY
:
825 debug_printf("%s %d, %d, %d %d x %d x %d\n",
828 box
.w
, box
.h
, box
.d
);
830 if (!svga
->swc
->force_coherent
|| tex
->imported
) {
831 if (svga_have_vgpu10(svga
)) {
834 for (i
= 0; i
< nlayers
; i
++) {
835 ret
= update_image_vgpu10(svga
, surf
, &box
,
836 st
->slice
+ i
, transfer
->level
,
837 tex
->b
.b
.last_level
+ 1);
838 assert(ret
== PIPE_OK
);
841 assert(nlayers
== 1);
842 ret
= update_image_vgpu9(svga
, surf
, &box
, st
->slice
,
844 assert(ret
== PIPE_OK
);
853 svga_texture_transfer_unmap(struct pipe_context
*pipe
,
854 struct pipe_transfer
*transfer
)
856 struct svga_context
*svga
= svga_context(pipe
);
857 struct svga_screen
*ss
= svga_screen(pipe
->screen
);
858 struct svga_winsys_screen
*sws
= ss
->sws
;
859 struct svga_transfer
*st
= svga_transfer(transfer
);
860 struct svga_texture
*tex
= svga_texture(transfer
->resource
);
862 SVGA_STATS_TIME_PUSH(sws
, SVGA_STATS_TIME_TEXTRANSFERUNMAP
);
864 if (!st
->use_direct_map
) {
865 svga_texture_transfer_unmap_dma(svga
, st
);
867 else if (st
->upload
.buf
) {
868 svga_texture_transfer_unmap_upload(svga
, st
);
871 svga_texture_transfer_unmap_direct(svga
, st
);
874 if (st
->base
.usage
& PIPE_TRANSFER_WRITE
) {
875 svga
->hud
.num_resource_updates
++;
877 /* Mark the texture level as dirty */
878 ss
->texture_timestamp
++;
879 svga_age_texture_view(tex
, transfer
->level
);
880 if (transfer
->resource
->target
== PIPE_TEXTURE_CUBE
)
881 svga_define_texture_level(tex
, st
->slice
, transfer
->level
);
883 svga_define_texture_level(tex
, 0, transfer
->level
);
886 pipe_resource_reference(&st
->base
.resource
, NULL
);
888 SVGA_STATS_TIME_POP(sws
);
894 * Does format store depth values?
896 static inline boolean
897 format_has_depth(enum pipe_format format
)
899 const struct util_format_description
*desc
= util_format_description(format
);
900 return util_format_has_depth(desc
);
904 struct u_resource_vtbl svga_texture_vtbl
=
906 svga_texture_get_handle
, /* get_handle */
907 svga_texture_destroy
, /* resource_destroy */
908 svga_texture_transfer_map
, /* transfer_map */
909 u_default_transfer_flush_region
, /* transfer_flush_region */
910 svga_texture_transfer_unmap
, /* transfer_unmap */
914 struct pipe_resource
*
915 svga_texture_create(struct pipe_screen
*screen
,
916 const struct pipe_resource
*template)
918 struct svga_screen
*svgascreen
= svga_screen(screen
);
919 struct svga_texture
*tex
;
920 unsigned bindings
= template->bind
;
922 SVGA_STATS_TIME_PUSH(svgascreen
->sws
,
923 SVGA_STATS_TIME_CREATETEXTURE
);
925 assert(template->last_level
< SVGA_MAX_TEXTURE_LEVELS
);
926 if (template->last_level
>= SVGA_MAX_TEXTURE_LEVELS
) {
930 /* Verify the number of mipmap levels isn't impossibly large. For example,
931 * if the base 2D image is 16x16, we can't have 8 mipmap levels.
932 * The state tracker should never ask us to create a resource with invalid
936 unsigned max_dim
= template->width0
;
938 switch (template->target
) {
939 case PIPE_TEXTURE_1D
:
940 case PIPE_TEXTURE_1D_ARRAY
:
943 case PIPE_TEXTURE_2D
:
944 case PIPE_TEXTURE_CUBE
:
945 case PIPE_TEXTURE_CUBE_ARRAY
:
946 case PIPE_TEXTURE_2D_ARRAY
:
947 max_dim
= MAX2(max_dim
, template->height0
);
949 case PIPE_TEXTURE_3D
:
950 max_dim
= MAX3(max_dim
, template->height0
, template->depth0
);
952 case PIPE_TEXTURE_RECT
:
954 assert(template->last_level
== 0);
955 /* the assertion below should always pass */
958 debug_printf("Unexpected texture target type\n");
960 assert(1 << template->last_level
<= max_dim
);
963 tex
= CALLOC_STRUCT(svga_texture
);
968 tex
->defined
= CALLOC(template->depth0
* template->array_size
,
969 sizeof(tex
->defined
[0]));
975 tex
->rendered_to
= CALLOC(template->depth0
* template->array_size
,
976 sizeof(tex
->rendered_to
[0]));
977 if (!tex
->rendered_to
) {
981 tex
->dirty
= CALLOC(template->depth0
* template->array_size
,
982 sizeof(tex
->dirty
[0]));
987 tex
->b
.b
= *template;
988 tex
->b
.vtbl
= &svga_texture_vtbl
;
989 pipe_reference_init(&tex
->b
.b
.reference
, 1);
990 tex
->b
.b
.screen
= screen
;
993 tex
->key
.size
.width
= template->width0
;
994 tex
->key
.size
.height
= template->height0
;
995 tex
->key
.size
.depth
= template->depth0
;
996 tex
->key
.arraySize
= 1;
997 tex
->key
.numFaces
= 1;
999 /* nr_samples=1 must be treated as a non-multisample texture */
1000 if (tex
->b
.b
.nr_samples
== 1) {
1001 tex
->b
.b
.nr_samples
= 0;
1003 else if (tex
->b
.b
.nr_samples
> 1) {
1004 assert(svgascreen
->sws
->have_sm4_1
);
1005 tex
->key
.flags
|= SVGA3D_SURFACE_MULTISAMPLE
;
1008 tex
->key
.sampleCount
= tex
->b
.b
.nr_samples
;
1010 if (svgascreen
->sws
->have_vgpu10
) {
1011 switch (template->target
) {
1012 case PIPE_TEXTURE_1D
:
1013 tex
->key
.flags
|= SVGA3D_SURFACE_1D
;
1015 case PIPE_TEXTURE_1D_ARRAY
:
1016 tex
->key
.flags
|= SVGA3D_SURFACE_1D
;
1018 case PIPE_TEXTURE_2D_ARRAY
:
1019 tex
->key
.flags
|= SVGA3D_SURFACE_ARRAY
;
1020 tex
->key
.arraySize
= template->array_size
;
1022 case PIPE_TEXTURE_3D
:
1023 tex
->key
.flags
|= SVGA3D_SURFACE_VOLUME
;
1025 case PIPE_TEXTURE_CUBE
:
1026 tex
->key
.flags
|= (SVGA3D_SURFACE_CUBEMAP
| SVGA3D_SURFACE_ARRAY
);
1027 tex
->key
.numFaces
= 6;
1029 case PIPE_TEXTURE_CUBE_ARRAY
:
1030 assert(svgascreen
->sws
->have_sm4_1
);
1031 tex
->key
.flags
|= (SVGA3D_SURFACE_CUBEMAP
| SVGA3D_SURFACE_ARRAY
);
1032 tex
->key
.numFaces
= 1; // arraySize already includes the 6 faces
1033 tex
->key
.arraySize
= template->array_size
;
1040 switch (template->target
) {
1041 case PIPE_TEXTURE_3D
:
1042 tex
->key
.flags
|= SVGA3D_SURFACE_VOLUME
;
1044 case PIPE_TEXTURE_CUBE
:
1045 tex
->key
.flags
|= SVGA3D_SURFACE_CUBEMAP
;
1046 tex
->key
.numFaces
= 6;
1053 tex
->key
.cachable
= 1;
1055 if ((bindings
& (PIPE_BIND_RENDER_TARGET
| PIPE_BIND_DEPTH_STENCIL
)) &&
1056 !(bindings
& PIPE_BIND_SAMPLER_VIEW
)) {
1057 /* Also check if the format can be sampled from */
1058 if (screen
->is_format_supported(screen
, template->format
,
1060 template->nr_samples
,
1061 template->nr_storage_samples
,
1062 PIPE_BIND_SAMPLER_VIEW
)) {
1063 bindings
|= PIPE_BIND_SAMPLER_VIEW
;
1067 if (bindings
& PIPE_BIND_SAMPLER_VIEW
) {
1068 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_TEXTURE
;
1069 tex
->key
.flags
|= SVGA3D_SURFACE_BIND_SHADER_RESOURCE
;
1071 if (!(bindings
& PIPE_BIND_RENDER_TARGET
)) {
1072 /* Also check if the format is color renderable */
1073 if (screen
->is_format_supported(screen
, template->format
,
1075 template->nr_samples
,
1076 template->nr_storage_samples
,
1077 PIPE_BIND_RENDER_TARGET
)) {
1078 bindings
|= PIPE_BIND_RENDER_TARGET
;
1082 if (!(bindings
& PIPE_BIND_DEPTH_STENCIL
)) {
1083 /* Also check if the format is depth/stencil renderable */
1084 if (screen
->is_format_supported(screen
, template->format
,
1086 template->nr_samples
,
1087 template->nr_storage_samples
,
1088 PIPE_BIND_DEPTH_STENCIL
)) {
1089 bindings
|= PIPE_BIND_DEPTH_STENCIL
;
1094 if (bindings
& PIPE_BIND_DISPLAY_TARGET
) {
1095 tex
->key
.cachable
= 0;
1098 if (bindings
& PIPE_BIND_SHARED
) {
1099 tex
->key
.cachable
= 0;
1102 if (bindings
& (PIPE_BIND_SCANOUT
| PIPE_BIND_CURSOR
)) {
1103 tex
->key
.scanout
= 1;
1104 tex
->key
.cachable
= 0;
1108 * Note: Previously we never passed the
1109 * SVGA3D_SURFACE_HINT_RENDERTARGET hint. Mesa cannot
1110 * know beforehand whether a texture will be used as a rendertarget or not
1111 * and it always requests PIPE_BIND_RENDER_TARGET, therefore
1112 * passing the SVGA3D_SURFACE_HINT_RENDERTARGET here defeats its purpose.
1114 * However, this was changed since other state trackers
1115 * (XA for example) uses it accurately and certain device versions
1116 * relies on it in certain situations to render correctly.
1118 if ((bindings
& PIPE_BIND_RENDER_TARGET
) &&
1119 !util_format_is_s3tc(template->format
)) {
1120 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_RENDERTARGET
;
1121 tex
->key
.flags
|= SVGA3D_SURFACE_BIND_RENDER_TARGET
;
1124 if (bindings
& PIPE_BIND_DEPTH_STENCIL
) {
1125 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_DEPTHSTENCIL
;
1126 tex
->key
.flags
|= SVGA3D_SURFACE_BIND_DEPTH_STENCIL
;
1129 tex
->key
.numMipLevels
= template->last_level
+ 1;
1131 tex
->key
.format
= svga_translate_format(svgascreen
, template->format
,
1133 if (tex
->key
.format
== SVGA3D_FORMAT_INVALID
) {
1137 /* Use typeless formats for sRGB and depth resources. Typeless
1138 * formats can be reinterpreted as other formats. For example,
1139 * SVGA3D_R8G8B8A8_UNORM_TYPELESS can be interpreted as
1140 * SVGA3D_R8G8B8A8_UNORM_SRGB or SVGA3D_R8G8B8A8_UNORM.
1142 if (svgascreen
->sws
->have_vgpu10
&&
1143 (util_format_is_srgb(template->format
) ||
1144 format_has_depth(template->format
))) {
1145 SVGA3dSurfaceFormat typeless
= svga_typeless_format(tex
->key
.format
);
1147 debug_printf("Convert resource type %s -> %s (bind 0x%x)\n",
1148 svga_format_name(tex
->key
.format
),
1149 svga_format_name(typeless
),
1153 if (svga_format_is_uncompressed_snorm(tex
->key
.format
)) {
1154 /* We can't normally render to snorm surfaces, but once we
1155 * substitute a typeless format, we can if the rendertarget view
1156 * is unorm. This can happen with GL_ARB_copy_image.
1158 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_RENDERTARGET
;
1159 tex
->key
.flags
|= SVGA3D_SURFACE_BIND_RENDER_TARGET
;
1162 tex
->key
.format
= typeless
;
1165 SVGA_DBG(DEBUG_DMA
, "surface_create for texture\n", tex
->handle
);
1166 tex
->handle
= svga_screen_surface_create(svgascreen
, bindings
,
1168 &tex
->validated
, &tex
->key
);
1173 SVGA_DBG(DEBUG_DMA
, " --> got sid %p (texture)\n", tex
->handle
);
1175 debug_reference(&tex
->b
.b
.reference
,
1176 (debug_reference_descriptor
)debug_describe_resource
, 0);
1178 tex
->size
= util_resource_size(template);
1180 /* Determine if texture upload buffer can be used to upload this texture */
1181 tex
->can_use_upload
= svga_texture_transfer_map_can_upload(svgascreen
,
1184 /* Initialize the backing resource cache */
1185 tex
->backed_handle
= NULL
;
1187 svgascreen
->hud
.total_resource_bytes
+= tex
->size
;
1188 svgascreen
->hud
.num_resources
++;
1190 SVGA_STATS_TIME_POP(svgascreen
->sws
);
1197 if (tex
->rendered_to
)
1198 FREE(tex
->rendered_to
);
1203 SVGA_STATS_TIME_POP(svgascreen
->sws
);
1208 struct pipe_resource
*
1209 svga_texture_from_handle(struct pipe_screen
*screen
,
1210 const struct pipe_resource
*template,
1211 struct winsys_handle
*whandle
)
1213 struct svga_winsys_screen
*sws
= svga_winsys_screen(screen
);
1214 struct svga_screen
*ss
= svga_screen(screen
);
1215 struct svga_winsys_surface
*srf
;
1216 struct svga_texture
*tex
;
1217 enum SVGA3dSurfaceFormat format
= 0;
1220 /* Only supports one type */
1221 if ((template->target
!= PIPE_TEXTURE_2D
&&
1222 template->target
!= PIPE_TEXTURE_RECT
) ||
1223 template->last_level
!= 0 ||
1224 template->depth0
!= 1) {
1228 srf
= sws
->surface_from_handle(sws
, whandle
, &format
);
1233 if (!svga_format_is_shareable(ss
, template->format
, format
,
1234 template->bind
, true))
1237 tex
= CALLOC_STRUCT(svga_texture
);
1241 tex
->defined
= CALLOC(template->depth0
* template->array_size
,
1242 sizeof(tex
->defined
[0]));
1244 goto out_no_defined
;
1246 tex
->b
.b
= *template;
1247 tex
->b
.vtbl
= &svga_texture_vtbl
;
1248 pipe_reference_init(&tex
->b
.b
.reference
, 1);
1249 tex
->b
.b
.screen
= screen
;
1251 SVGA_DBG(DEBUG_DMA
, "wrap surface sid %p\n", srf
);
1253 tex
->key
.cachable
= 0;
1254 tex
->key
.format
= format
;
1257 tex
->rendered_to
= CALLOC(1, sizeof(tex
->rendered_to
[0]));
1258 if (!tex
->rendered_to
)
1259 goto out_no_rendered_to
;
1261 tex
->dirty
= CALLOC(1, sizeof(tex
->dirty
[0]));
1265 tex
->imported
= TRUE
;
1267 ss
->hud
.num_resources
++;
1272 FREE(tex
->rendered_to
);
1278 sws
->surface_reference(sws
, &srf
, NULL
);
1283 svga_texture_generate_mipmap(struct pipe_context
*pipe
,
1284 struct pipe_resource
*pt
,
1285 enum pipe_format format
,
1286 unsigned base_level
,
1287 unsigned last_level
,
1288 unsigned first_layer
,
1289 unsigned last_layer
)
1291 struct pipe_sampler_view templ
, *psv
;
1292 struct svga_pipe_sampler_view
*sv
;
1293 struct svga_context
*svga
= svga_context(pipe
);
1294 struct svga_texture
*tex
= svga_texture(pt
);
1295 enum pipe_error ret
;
1297 assert(svga_have_vgpu10(svga
));
1299 /* Only support 2D texture for now */
1300 if (pt
->target
!= PIPE_TEXTURE_2D
)
1303 /* Fallback to the mipmap generation utility for those formats that
1304 * do not support hw generate mipmap
1306 if (!svga_format_support_gen_mips(format
))
1309 /* Make sure the texture surface was created with
1310 * SVGA3D_SURFACE_BIND_RENDER_TARGET
1312 if (!tex
->handle
|| !(tex
->key
.flags
& SVGA3D_SURFACE_BIND_RENDER_TARGET
))
1315 templ
.format
= format
;
1316 templ
.u
.tex
.first_layer
= first_layer
;
1317 templ
.u
.tex
.last_layer
= last_layer
;
1318 templ
.u
.tex
.first_level
= base_level
;
1319 templ
.u
.tex
.last_level
= last_level
;
1321 psv
= pipe
->create_sampler_view(pipe
, pt
, &templ
);
1325 sv
= svga_pipe_sampler_view(psv
);
1326 ret
= svga_validate_pipe_sampler_view(svga
, sv
);
1327 if (ret
!= PIPE_OK
) {
1328 svga_context_flush(svga
, NULL
);
1329 ret
= svga_validate_pipe_sampler_view(svga
, sv
);
1330 assert(ret
== PIPE_OK
);
1333 ret
= SVGA3D_vgpu10_GenMips(svga
->swc
, sv
->id
, tex
->handle
);
1334 if (ret
!= PIPE_OK
) {
1335 svga_context_flush(svga
, NULL
);
1336 ret
= SVGA3D_vgpu10_GenMips(svga
->swc
, sv
->id
, tex
->handle
);
1338 pipe_sampler_view_reference(&psv
, NULL
);
1340 svga
->hud
.num_generate_mipmap
++;
1346 /* texture upload buffer default size in bytes */
1347 #define TEX_UPLOAD_DEFAULT_SIZE (1024 * 1024)
1350 * Create a texture upload buffer
1353 svga_texture_transfer_map_upload_create(struct svga_context
*svga
)
1355 svga
->tex_upload
= u_upload_create(&svga
->pipe
, TEX_UPLOAD_DEFAULT_SIZE
,
1356 PIPE_BIND_CUSTOM
, PIPE_USAGE_STAGING
, 0);
1357 if (svga
->tex_upload
)
1358 u_upload_disable_persistent(svga
->tex_upload
);
1360 return svga
->tex_upload
!= NULL
;
1365 * Destroy the texture upload buffer
1368 svga_texture_transfer_map_upload_destroy(struct svga_context
*svga
)
1370 u_upload_destroy(svga
->tex_upload
);
1375 * Returns true if this transfer map request can use the upload buffer.
1378 svga_texture_transfer_map_can_upload(const struct svga_screen
*svgascreen
,
1379 const struct pipe_resource
*texture
)
1381 if (svgascreen
->sws
->have_transfer_from_buffer_cmd
== FALSE
)
1384 /* TransferFromBuffer command is not well supported with multi-samples surface */
1385 if (texture
->nr_samples
> 1)
1388 if (util_format_is_compressed(texture
->format
)) {
1389 /* XXX Need to take a closer look to see why texture upload
1390 * with 3D texture with compressed format fails
1392 if (texture
->target
== PIPE_TEXTURE_3D
)
1395 else if (texture
->format
== PIPE_FORMAT_R9G9B9E5_FLOAT
) {
1404 * Use upload buffer for the transfer map request.
1407 svga_texture_transfer_map_upload(struct svga_context
*svga
,
1408 struct svga_transfer
*st
)
1410 struct pipe_resource
*texture
= st
->base
.resource
;
1411 struct pipe_resource
*tex_buffer
= NULL
;
1413 unsigned nblocksx
, nblocksy
;
1415 unsigned upload_size
;
1417 assert(svga
->tex_upload
);
1419 st
->upload
.box
.x
= st
->base
.box
.x
;
1420 st
->upload
.box
.y
= st
->base
.box
.y
;
1421 st
->upload
.box
.z
= st
->base
.box
.z
;
1422 st
->upload
.box
.w
= st
->base
.box
.width
;
1423 st
->upload
.box
.h
= st
->base
.box
.height
;
1424 st
->upload
.box
.d
= st
->base
.box
.depth
;
1425 st
->upload
.nlayers
= 1;
1427 switch (texture
->target
) {
1428 case PIPE_TEXTURE_CUBE
:
1429 st
->upload
.box
.z
= 0;
1431 case PIPE_TEXTURE_2D_ARRAY
:
1432 case PIPE_TEXTURE_CUBE_ARRAY
:
1433 st
->upload
.nlayers
= st
->base
.box
.depth
;
1434 st
->upload
.box
.z
= 0;
1435 st
->upload
.box
.d
= 1;
1437 case PIPE_TEXTURE_1D_ARRAY
:
1438 st
->upload
.nlayers
= st
->base
.box
.depth
;
1439 st
->upload
.box
.y
= st
->upload
.box
.z
= 0;
1440 st
->upload
.box
.d
= 1;
1446 nblocksx
= util_format_get_nblocksx(texture
->format
, st
->base
.box
.width
);
1447 nblocksy
= util_format_get_nblocksy(texture
->format
, st
->base
.box
.height
);
1449 st
->base
.stride
= nblocksx
* util_format_get_blocksize(texture
->format
);
1450 st
->base
.layer_stride
= st
->base
.stride
* nblocksy
;
1452 /* In order to use the TransferFromBuffer command to update the
1453 * texture content from the buffer, the layer stride for a multi-layers
1454 * surface needs to be in multiples of 16 bytes.
1456 if (st
->upload
.nlayers
> 1 && st
->base
.layer_stride
& 15)
1459 upload_size
= st
->base
.layer_stride
* st
->base
.box
.depth
;
1460 upload_size
= align(upload_size
, 16);
1463 if (util_format_is_compressed(texture
->format
)) {
1464 struct svga_texture
*tex
= svga_texture(texture
);
1465 unsigned blockw
, blockh
, bytesPerBlock
;
1467 svga_format_size(tex
->key
.format
, &blockw
, &blockh
, &bytesPerBlock
);
1469 /* dest box must start on block boundary */
1470 assert((st
->base
.box
.x
% blockw
) == 0);
1471 assert((st
->base
.box
.y
% blockh
) == 0);
1475 /* If the upload size exceeds the default buffer size, the
1476 * upload buffer manager code will try to allocate a new buffer
1477 * with the new buffer size.
1479 u_upload_alloc(svga
->tex_upload
, 0, upload_size
, 16,
1480 &offset
, &tex_buffer
, &tex_map
);
1486 st
->upload
.buf
= tex_buffer
;
1487 st
->upload
.map
= tex_map
;
1488 st
->upload
.offset
= offset
;
1495 * Unmap upload map transfer request
1498 svga_texture_transfer_unmap_upload(struct svga_context
*svga
,
1499 struct svga_transfer
*st
)
1501 struct svga_winsys_surface
*srcsurf
;
1502 struct svga_winsys_surface
*dstsurf
;
1503 struct pipe_resource
*texture
= st
->base
.resource
;
1504 struct svga_texture
*tex
= svga_texture(texture
);
1505 enum pipe_error ret
;
1506 unsigned subResource
;
1507 unsigned numMipLevels
;
1509 unsigned offset
= st
->upload
.offset
;
1511 assert(svga
->tex_upload
);
1512 assert(st
->upload
.buf
);
1514 /* unmap the texture upload buffer */
1515 u_upload_unmap(svga
->tex_upload
);
1517 srcsurf
= svga_buffer_handle(svga
, st
->upload
.buf
, 0);
1518 dstsurf
= svga_texture(texture
)->handle
;
1521 numMipLevels
= texture
->last_level
+ 1;
1523 for (i
= 0, layer
= st
->slice
; i
< st
->upload
.nlayers
; i
++, layer
++) {
1524 subResource
= layer
* numMipLevels
+ st
->base
.level
;
1526 /* send a transferFromBuffer command to update the host texture surface */
1527 assert((offset
& 15) == 0);
1529 ret
= SVGA3D_vgpu10_TransferFromBuffer(svga
->swc
, srcsurf
,
1532 st
->base
.layer_stride
,
1533 dstsurf
, subResource
,
1535 if (ret
!= PIPE_OK
) {
1536 svga_context_flush(svga
, NULL
);
1537 ret
= SVGA3D_vgpu10_TransferFromBuffer(svga
->swc
, srcsurf
,
1540 st
->base
.layer_stride
,
1541 dstsurf
, subResource
,
1543 assert(ret
== PIPE_OK
);
1545 offset
+= st
->base
.layer_stride
;
1547 /* Set rendered-to flag */
1548 svga_set_texture_rendered_to(tex
, layer
, st
->base
.level
);
1551 pipe_resource_reference(&st
->upload
.buf
, NULL
);
1555 * Does the device format backing this surface have an
1558 * \param texture[in] The texture whose format we're querying
1559 * \return TRUE if the format has an alpha channel, FALSE otherwise
1561 * For locally created textures, the device (svga) format is typically
1562 * identical to svga_format(texture->format), and we can use the gallium
1563 * format tests to determine whether the device format has an alpha channel
1564 * or not. However, for textures backed by imported svga surfaces that is
1565 * not always true, and we have to look at the SVGA3D utilities.
1568 svga_texture_device_format_has_alpha(struct pipe_resource
*texture
)
1570 /* the svga_texture() call below is invalid for PIPE_BUFFER resources */
1571 assert(texture
->target
!= PIPE_BUFFER
);
1573 enum svga3d_block_desc block_desc
=
1574 svga3dsurface_get_desc(svga_texture(texture
)->key
.format
)->block_desc
;
1576 return !!(block_desc
& SVGA3DBLOCKDESC_ALPHA
);