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 **********************************************************/
28 #include "pipe/p_state.h"
29 #include "pipe/p_defines.h"
30 #include "pipe/p_inlines.h"
31 #include "pipe/p_thread.h"
32 #include "util/u_math.h"
33 #include "util/u_memory.h"
35 #include "svga_screen.h"
36 #include "svga_context.h"
37 #include "svga_screen_texture.h"
38 #include "svga_screen_buffer.h"
39 #include "svga_winsys.h"
40 #include "svga_debug.h"
41 #include "svga_screen_buffer.h"
43 #include <util/u_string.h>
46 /* XXX: This isn't a real hardware flag, but just a hack for kernel to
47 * know about primary surfaces. Find a better way to accomplish this.
49 #define SVGA3D_SURFACE_HINT_SCANOUT (1 << 9)
53 * Helper function and arrays
57 svga_translate_format(enum pipe_format format
)
61 case PIPE_FORMAT_A8R8G8B8_UNORM
:
62 return SVGA3D_A8R8G8B8
;
63 case PIPE_FORMAT_X8R8G8B8_UNORM
:
64 return SVGA3D_X8R8G8B8
;
66 /* Required for GL2.1:
68 case PIPE_FORMAT_A8R8G8B8_SRGB
:
69 return SVGA3D_A8R8G8B8
;
71 case PIPE_FORMAT_R5G6B5_UNORM
:
73 case PIPE_FORMAT_A1R5G5B5_UNORM
:
74 return SVGA3D_A1R5G5B5
;
75 case PIPE_FORMAT_A4R4G4B4_UNORM
:
76 return SVGA3D_A4R4G4B4
;
79 /* XXX: Doesn't seem to work properly.
80 case PIPE_FORMAT_Z32_UNORM:
83 case PIPE_FORMAT_Z16_UNORM
:
85 case PIPE_FORMAT_Z24S8_UNORM
:
86 return SVGA3D_Z_D24S8
;
87 case PIPE_FORMAT_Z24X8_UNORM
:
88 return SVGA3D_Z_D24X8
;
90 case PIPE_FORMAT_A8_UNORM
:
92 case PIPE_FORMAT_L8_UNORM
:
93 return SVGA3D_LUMINANCE8
;
95 case PIPE_FORMAT_DXT1_RGB
:
96 case PIPE_FORMAT_DXT1_RGBA
:
98 case PIPE_FORMAT_DXT3_RGBA
:
100 case PIPE_FORMAT_DXT5_RGBA
:
104 return SVGA3D_FORMAT_INVALID
;
110 svga_translate_format_render(enum pipe_format format
)
113 case PIPE_FORMAT_A8R8G8B8_UNORM
:
114 case PIPE_FORMAT_X8R8G8B8_UNORM
:
115 case PIPE_FORMAT_A1R5G5B5_UNORM
:
116 case PIPE_FORMAT_A4R4G4B4_UNORM
:
117 case PIPE_FORMAT_R5G6B5_UNORM
:
118 case PIPE_FORMAT_Z24S8_UNORM
:
119 case PIPE_FORMAT_Z24X8_UNORM
:
120 case PIPE_FORMAT_Z32_UNORM
:
121 case PIPE_FORMAT_Z16_UNORM
:
122 case PIPE_FORMAT_L8_UNORM
:
123 return svga_translate_format(format
);
126 /* For on host conversion */
127 case PIPE_FORMAT_DXT1_RGB
:
128 return SVGA3D_X8R8G8B8
;
129 case PIPE_FORMAT_DXT1_RGBA
:
130 case PIPE_FORMAT_DXT3_RGBA
:
131 case PIPE_FORMAT_DXT5_RGBA
:
132 return SVGA3D_A8R8G8B8
;
136 return SVGA3D_FORMAT_INVALID
;
142 svga_transfer_dma_band(struct svga_transfer
*st
,
143 SVGA3dTransferType transfer
,
144 unsigned y
, unsigned h
, unsigned srcy
)
146 struct svga_texture
*texture
= svga_texture(st
->base
.texture
);
147 struct svga_screen
*screen
= svga_screen(texture
->base
.screen
);
151 SVGA_DBG(DEBUG_DMA
, "dma %s sid %p, face %u, (%u, %u, %u) - (%u, %u, %u), %ubpp\n",
152 transfer
== SVGA3D_WRITE_HOST_VRAM
? "to" : "from",
158 st
->base
.x
+ st
->base
.width
,
161 pf_get_blocksize(texture
->base
.format
)*8/
162 (pf_get_blockwidth(texture
->base
.format
)*pf_get_blockheight(texture
->base
.format
)));
166 box
.z
= st
->base
.zslice
;
167 box
.w
= st
->base
.width
;
174 pipe_mutex_lock(screen
->swc_mutex
);
175 ret
= SVGA3D_SurfaceDMA(screen
->swc
, st
, transfer
, &box
, 1);
177 screen
->swc
->flush(screen
->swc
, NULL
);
178 ret
= SVGA3D_SurfaceDMA(screen
->swc
, st
, transfer
, &box
, 1);
179 assert(ret
== PIPE_OK
);
181 pipe_mutex_unlock(screen
->swc_mutex
);
186 svga_transfer_dma(struct svga_transfer
*st
,
187 SVGA3dTransferType transfer
)
189 struct svga_texture
*texture
= svga_texture(st
->base
.texture
);
190 struct svga_screen
*screen
= svga_screen(texture
->base
.screen
);
191 struct svga_winsys_screen
*sws
= screen
->sws
;
192 struct pipe_fence_handle
*fence
= NULL
;
194 if (transfer
== SVGA3D_READ_HOST_VRAM
) {
195 SVGA_DBG(DEBUG_PERF
, "%s: readback transfer\n", __FUNCTION__
);
200 /* Do the DMA transfer in a single go */
202 svga_transfer_dma_band(st
, transfer
, st
->base
.y
, st
->base
.height
, 0);
204 if(transfer
== SVGA3D_READ_HOST_VRAM
) {
205 svga_screen_flush(screen
, &fence
);
206 sws
->fence_finish(sws
, fence
, 0);
207 //sws->fence_reference(sws, &fence, NULL);
212 unsigned blockheight
= pf_get_blockheight(st
->base
.texture
->format
);
213 h
= st
->hw_nblocksy
* blockheight
;
215 for(y
= 0; y
< st
->base
.height
; y
+= h
) {
216 unsigned offset
, length
;
219 if (y
+ h
> st
->base
.height
)
220 h
= st
->base
.height
- y
;
222 /* Transfer band must be aligned to pixel block boundaries */
223 assert(y
% blockheight
== 0);
224 assert(h
% blockheight
== 0);
226 offset
= y
* st
->base
.stride
/ blockheight
;
227 length
= h
* st
->base
.stride
/ blockheight
;
229 sw
= (uint8_t *)st
->swbuf
+ offset
;
231 if(transfer
== SVGA3D_WRITE_HOST_VRAM
) {
232 /* Wait for the previous DMAs to complete */
233 /* TODO: keep one DMA (at half the size) in the background */
235 svga_screen_flush(screen
, &fence
);
236 sws
->fence_finish(sws
, fence
, 0);
237 //sws->fence_reference(sws, &fence, NULL);
240 hw
= sws
->buffer_map(sws
, st
->hwbuf
, PIPE_BUFFER_USAGE_CPU_WRITE
);
243 memcpy(hw
, sw
, length
);
244 sws
->buffer_unmap(sws
, st
->hwbuf
);
248 svga_transfer_dma_band(st
, transfer
, y
, h
, srcy
);
250 if(transfer
== SVGA3D_READ_HOST_VRAM
) {
251 svga_screen_flush(screen
, &fence
);
252 sws
->fence_finish(sws
, fence
, 0);
254 hw
= sws
->buffer_map(sws
, st
->hwbuf
, PIPE_BUFFER_USAGE_CPU_READ
);
257 memcpy(sw
, hw
, length
);
258 sws
->buffer_unmap(sws
, st
->hwbuf
);
266 static struct pipe_texture
*
267 svga_texture_create(struct pipe_screen
*screen
,
268 const struct pipe_texture
*templat
)
270 struct svga_screen
*svgascreen
= svga_screen(screen
);
271 struct svga_texture
*tex
= CALLOC_STRUCT(svga_texture
);
272 unsigned width
, height
, depth
;
278 tex
->base
= *templat
;
279 pipe_reference_init(&tex
->base
.reference
, 1);
280 tex
->base
.screen
= screen
;
282 assert(templat
->last_level
< SVGA_MAX_TEXTURE_LEVELS
);
283 if(templat
->last_level
>= SVGA_MAX_TEXTURE_LEVELS
)
286 width
= templat
->width0
;
287 height
= templat
->height0
;
288 depth
= templat
->depth0
;
289 for(level
= 0; level
<= templat
->last_level
; ++level
) {
290 width
= u_minify(width
, 1);
291 height
= u_minify(height
, 1);
292 depth
= u_minify(depth
, 1);
296 tex
->key
.size
.width
= templat
->width0
;
297 tex
->key
.size
.height
= templat
->height0
;
298 tex
->key
.size
.depth
= templat
->depth0
;
300 if(templat
->target
== PIPE_TEXTURE_CUBE
) {
301 tex
->key
.flags
|= SVGA3D_SURFACE_CUBEMAP
;
302 tex
->key
.numFaces
= 6;
305 tex
->key
.numFaces
= 1;
308 if(templat
->tex_usage
& PIPE_TEXTURE_USAGE_SAMPLER
)
309 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_TEXTURE
;
311 if(templat
->tex_usage
& PIPE_TEXTURE_USAGE_PRIMARY
)
312 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_SCANOUT
;
315 * XXX: Never pass the SVGA3D_SURFACE_HINT_RENDERTARGET hint. Mesa cannot
316 * know beforehand whether a texture will be used as a rendertarget or not
317 * and it always requests PIPE_TEXTURE_USAGE_RENDER_TARGET, therefore
318 * passing the SVGA3D_SURFACE_HINT_RENDERTARGET here defeats its purpose.
321 if((templat
->tex_usage
& PIPE_TEXTURE_USAGE_RENDER_TARGET
) &&
322 !pf_is_compressed(templat
->format
))
323 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_RENDERTARGET
;
326 if(templat
->tex_usage
& PIPE_TEXTURE_USAGE_DEPTH_STENCIL
)
327 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_DEPTHSTENCIL
;
329 tex
->key
.numMipLevels
= templat
->last_level
+ 1;
331 tex
->key
.format
= svga_translate_format(templat
->format
);
332 if(tex
->key
.format
== SVGA3D_FORMAT_INVALID
)
335 tex
->key
.cachable
= 1;
337 SVGA_DBG(DEBUG_DMA
, "surface_create for texture\n", tex
->handle
);
338 tex
->handle
= svga_screen_surface_create(svgascreen
, &tex
->key
);
340 SVGA_DBG(DEBUG_DMA
, " --> got sid %p (texture)\n", tex
->handle
);
351 static struct pipe_texture
*
352 svga_texture_blanket(struct pipe_screen
* screen
,
353 const struct pipe_texture
*base
,
354 const unsigned *stride
,
355 struct pipe_buffer
*buffer
)
357 struct svga_texture
*tex
;
358 struct svga_buffer
*sbuf
= svga_buffer(buffer
);
359 struct svga_winsys_screen
*sws
= svga_winsys_screen(screen
);
362 /* Only supports one type */
363 if (base
->target
!= PIPE_TEXTURE_2D
||
364 base
->last_level
!= 0 ||
370 * We currently can't do texture blanket on
371 * SVGA3D_BUFFER. Need to blit to a temporary surface?
374 assert(sbuf
->handle
);
378 if (svga_translate_format(base
->format
) != sbuf
->key
.format
) {
379 unsigned f1
= svga_translate_format(base
->format
);
380 unsigned f2
= sbuf
->key
.format
;
382 /* It's okay for XRGB and ARGB or depth with/out stencil to get mixed up */
383 if ( !( (f1
== SVGA3D_X8R8G8B8
&& f2
== SVGA3D_A8R8G8B8
) ||
384 (f1
== SVGA3D_A8R8G8B8
&& f2
== SVGA3D_X8R8G8B8
) ||
385 (f1
== SVGA3D_Z_D24X8
&& f2
== SVGA3D_Z_D24S8
) ) ) {
386 debug_printf("%s wrong format %u != %u\n", __FUNCTION__
, f1
, f2
);
391 tex
= CALLOC_STRUCT(svga_texture
);
398 if (sbuf
->key
.format
== 1)
399 tex
->base
.format
= PIPE_FORMAT_X8R8G8B8_UNORM
;
400 else if (sbuf
->key
.format
== 2)
401 tex
->base
.format
= PIPE_FORMAT_A8R8G8B8_UNORM
;
403 pipe_reference_init(&tex
->base
.reference
, 1);
404 tex
->base
.screen
= screen
;
406 SVGA_DBG(DEBUG_DMA
, "blanket sid %p\n", sbuf
->handle
);
408 /* We don't own this storage, so don't try to cache it.
410 assert(sbuf
->key
.cachable
== 0);
411 tex
->key
.cachable
= 0;
412 sws
->surface_reference(sws
, &tex
->handle
, sbuf
->handle
);
419 svga_texture_destroy(struct pipe_texture
*pt
)
421 struct svga_screen
*ss
= svga_screen(pt
->screen
);
422 struct svga_texture
*tex
= (struct svga_texture
*)pt
;
424 ss
->texture_timestamp
++;
426 svga_sampler_view_reference(&tex
->cached_view
, NULL
);
429 DBG("%s deleting %p\n", __FUNCTION__, (void *) tex);
431 SVGA_DBG(DEBUG_DMA
, "unref sid %p (texture)\n", tex
->handle
);
432 svga_screen_surface_destroy(ss
, &tex
->key
, &tex
->handle
);
439 svga_texture_copy_handle(struct svga_context
*svga
,
440 struct svga_screen
*ss
,
441 struct svga_winsys_surface
*src_handle
,
442 unsigned src_x
, unsigned src_y
, unsigned src_z
,
443 unsigned src_level
, unsigned src_face
,
444 struct svga_winsys_surface
*dst_handle
,
445 unsigned dst_x
, unsigned dst_y
, unsigned dst_z
,
446 unsigned dst_level
, unsigned dst_face
,
447 unsigned width
, unsigned height
, unsigned depth
)
449 struct svga_surface dst
, src
;
451 SVGA3dCopyBox box
, *boxes
;
455 src
.handle
= src_handle
;
456 src
.real_level
= src_level
;
457 src
.real_face
= src_face
;
460 dst
.handle
= dst_handle
;
461 dst
.real_level
= dst_level
;
462 dst
.real_face
= dst_face
;
476 SVGA_DBG(DEBUG_VIEWS, "mipcopy src: %p %u (%ux%ux%u), dst: %p %u (%ux%ux%u)\n",
477 src_handle, src_level, src_x, src_y, src_z,
478 dst_handle, dst_level, dst_x, dst_y, dst_z);
482 ret
= SVGA3D_BeginSurfaceCopy(svga
->swc
,
487 svga_context_flush(svga
, NULL
);
488 ret
= SVGA3D_BeginSurfaceCopy(svga
->swc
,
492 assert(ret
== PIPE_OK
);
495 SVGA_FIFOCommitAll(svga
->swc
);
497 pipe_mutex_lock(ss
->swc_mutex
);
498 ret
= SVGA3D_BeginSurfaceCopy(ss
->swc
,
503 ss
->swc
->flush(ss
->swc
, NULL
);
504 ret
= SVGA3D_BeginSurfaceCopy(ss
->swc
,
508 assert(ret
== PIPE_OK
);
511 SVGA_FIFOCommitAll(ss
->swc
);
512 pipe_mutex_unlock(ss
->swc_mutex
);
516 static struct svga_winsys_surface
*
517 svga_texture_view_surface(struct pipe_context
*pipe
,
518 struct svga_texture
*tex
,
519 SVGA3dSurfaceFormat format
,
524 struct svga_host_surface_cache_key
*key
) /* OUT */
526 struct svga_screen
*ss
= svga_screen(tex
->base
.screen
);
527 struct svga_winsys_surface
*handle
;
529 unsigned z_offset
= 0;
532 "svga: Create surface view: face %d zslice %d mips %d..%d\n",
533 face_pick
, zslice_pick
, start_mip
, start_mip
+num_mip
-1);
536 key
->format
= format
;
537 key
->numMipLevels
= num_mip
;
538 key
->size
.width
= u_minify(tex
->base
.width0
, start_mip
);
539 key
->size
.height
= u_minify(tex
->base
.height0
, start_mip
);
540 key
->size
.depth
= zslice_pick
< 0 ? u_minify(tex
->base
.depth0
, start_mip
) : 1;
542 assert(key
->size
.depth
== 1);
544 if(tex
->base
.target
== PIPE_TEXTURE_CUBE
&& face_pick
< 0) {
545 key
->flags
|= SVGA3D_SURFACE_CUBEMAP
;
551 if(key
->format
== SVGA3D_FORMAT_INVALID
) {
556 SVGA_DBG(DEBUG_DMA
, "surface_create for texture view\n");
557 handle
= svga_screen_surface_create(ss
, key
);
563 SVGA_DBG(DEBUG_DMA
, " --> got sid %p (texture view)\n", handle
);
568 if (zslice_pick
>= 0)
569 z_offset
= zslice_pick
;
571 for (i
= 0; i
< key
->numMipLevels
; i
++) {
572 for (j
= 0; j
< key
->numFaces
; j
++) {
573 if(tex
->defined
[j
+ face_pick
][i
+ start_mip
]) {
574 unsigned depth
= (zslice_pick
< 0 ?
575 u_minify(tex
->base
.depth0
, i
+ start_mip
) :
578 svga_texture_copy_handle(svga_context(pipe
),
584 handle
, 0, 0, 0, i
, j
,
585 u_minify(tex
->base
.width0
, i
+ start_mip
),
586 u_minify(tex
->base
.height0
, i
+ start_mip
),
596 static struct pipe_surface
*
597 svga_get_tex_surface(struct pipe_screen
*screen
,
598 struct pipe_texture
*pt
,
599 unsigned face
, unsigned level
, unsigned zslice
,
602 struct svga_texture
*tex
= svga_texture(pt
);
603 struct svga_surface
*s
;
604 boolean render
= flags
& PIPE_BUFFER_USAGE_GPU_WRITE
? TRUE
: FALSE
;
605 boolean view
= FALSE
;
606 SVGA3dSurfaceFormat format
;
608 s
= CALLOC_STRUCT(svga_surface
);
612 pipe_reference_init(&s
->base
.reference
, 1);
613 pipe_texture_reference(&s
->base
.texture
, pt
);
614 s
->base
.format
= pt
->format
;
615 s
->base
.width
= u_minify(pt
->width0
, level
);
616 s
->base
.height
= u_minify(pt
->height0
, level
);
617 s
->base
.usage
= flags
;
618 s
->base
.level
= level
;
620 s
->base
.zslice
= zslice
;
623 format
= svga_translate_format(pt
->format
);
625 format
= svga_translate_format_render(pt
->format
);
627 assert(format
!= SVGA3D_FORMAT_INVALID
);
628 assert(!(flags
& PIPE_BUFFER_USAGE_CPU_READ_WRITE
));
631 if (svga_screen(screen
)->debug
.force_surface_view
)
634 /* Currently only used for compressed textures */
636 format
!= svga_translate_format(pt
->format
)) {
641 svga_screen(screen
)->debug
.force_level_surface_view
)
644 if (pt
->target
== PIPE_TEXTURE_3D
)
647 if (svga_screen(screen
)->debug
.no_surface_view
)
651 SVGA_DBG(DEBUG_VIEWS
, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
652 pt
, level
, face
, zslice
, s
);
654 s
->handle
= svga_texture_view_surface(NULL
, tex
, format
, level
, 1, face
, zslice
,
660 struct svga_winsys_screen
*sws
= svga_winsys_screen(screen
);
662 SVGA_DBG(DEBUG_VIEWS
, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
663 pt
, level
, face
, zslice
, s
);
665 memset(&s
->key
, 0, sizeof s
->key
);
666 sws
->surface_reference(sws
, &s
->handle
, tex
->handle
);
668 s
->real_level
= level
;
669 s
->real_zslice
= zslice
;
677 svga_tex_surface_destroy(struct pipe_surface
*surf
)
679 struct svga_surface
*s
= svga_surface(surf
);
680 struct svga_screen
*ss
= svga_screen(surf
->texture
->screen
);
682 SVGA_DBG(DEBUG_DMA
, "unref sid %p (tex surface)\n", s
->handle
);
683 assert(s
->key
.cachable
== 0);
684 svga_screen_surface_destroy(ss
, &s
->key
, &s
->handle
);
685 pipe_texture_reference(&surf
->texture
, NULL
);
691 svga_mark_surface_dirty(struct pipe_surface
*surf
)
693 struct svga_surface
*s
= svga_surface(surf
);
696 struct svga_texture
*tex
= svga_texture(surf
->texture
);
700 if (s
->handle
== tex
->handle
)
701 tex
->defined
[surf
->face
][surf
->level
] = TRUE
;
703 /* this will happen later in svga_propagate_surface */
709 void svga_mark_surfaces_dirty(struct svga_context
*svga
)
713 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
714 if (svga
->curr
.framebuffer
.cbufs
[i
])
715 svga_mark_surface_dirty(svga
->curr
.framebuffer
.cbufs
[i
]);
717 if (svga
->curr
.framebuffer
.zsbuf
)
718 svga_mark_surface_dirty(svga
->curr
.framebuffer
.zsbuf
);
722 * Progagate any changes from surfaces to texture.
723 * pipe is optional context to inline the blit command in.
726 svga_propagate_surface(struct pipe_context
*pipe
, struct pipe_surface
*surf
)
728 struct svga_surface
*s
= svga_surface(surf
);
729 struct svga_texture
*tex
= svga_texture(surf
->texture
);
730 struct svga_screen
*ss
= svga_screen(surf
->texture
->screen
);
736 ss
->texture_timestamp
++;
737 tex
->view_age
[surf
->level
] = ++(tex
->age
);
739 if (s
->handle
!= tex
->handle
) {
740 SVGA_DBG(DEBUG_VIEWS
, "svga: Surface propagate: tex %p, level %u, from %p\n", tex
, surf
->level
, surf
);
741 svga_texture_copy_handle(svga_context(pipe
), ss
,
742 s
->handle
, 0, 0, 0, s
->real_level
, s
->real_face
,
743 tex
->handle
, 0, 0, surf
->zslice
, surf
->level
, surf
->face
,
744 u_minify(tex
->base
.width0
, surf
->level
),
745 u_minify(tex
->base
.height0
, surf
->level
), 1);
746 tex
->defined
[surf
->face
][surf
->level
] = TRUE
;
751 * Check if we should call svga_propagate_surface on the surface.
754 svga_surface_needs_propagation(struct pipe_surface
*surf
)
756 struct svga_surface
*s
= svga_surface(surf
);
757 struct svga_texture
*tex
= svga_texture(surf
->texture
);
759 return s
->dirty
&& s
->handle
!= tex
->handle
;
763 static struct pipe_transfer
*
764 svga_get_tex_transfer(struct pipe_screen
*screen
,
765 struct pipe_texture
*texture
,
766 unsigned face
, unsigned level
, unsigned zslice
,
767 enum pipe_transfer_usage usage
, unsigned x
, unsigned y
,
768 unsigned w
, unsigned h
)
770 struct svga_screen
*ss
= svga_screen(screen
);
771 struct svga_winsys_screen
*sws
= ss
->sws
;
772 struct svga_transfer
*st
;
773 unsigned nblocksx
= pf_get_nblocksx(texture
->format
, w
);
774 unsigned nblocksy
= pf_get_nblocksy(texture
->format
, h
);
776 /* We can't map texture storage directly */
777 if (usage
& PIPE_TRANSFER_MAP_DIRECTLY
)
780 st
= CALLOC_STRUCT(svga_transfer
);
788 st
->base
.stride
= nblocksx
*pf_get_blocksize(texture
->format
);
789 st
->base
.usage
= usage
;
790 st
->base
.face
= face
;
791 st
->base
.level
= level
;
792 st
->base
.zslice
= zslice
;
794 st
->hw_nblocksy
= nblocksy
;
796 st
->hwbuf
= svga_winsys_buffer_create(ss
,
799 st
->hw_nblocksy
*st
->base
.stride
);
800 while(!st
->hwbuf
&& (st
->hw_nblocksy
/= 2)) {
801 st
->hwbuf
= svga_winsys_buffer_create(ss
,
804 st
->hw_nblocksy
*st
->base
.stride
);
810 if(st
->hw_nblocksy
< nblocksy
) {
811 /* We couldn't allocate a hardware buffer big enough for the transfer,
812 * so allocate regular malloc memory instead */
813 debug_printf("%s: failed to allocate %u KB of DMA, splitting into %u x %u KB DMA transfers\n",
815 (nblocksy
*st
->base
.stride
+ 1023)/1024,
816 (nblocksy
+ st
->hw_nblocksy
- 1)/st
->hw_nblocksy
,
817 (st
->hw_nblocksy
*st
->base
.stride
+ 1023)/1024);
818 st
->swbuf
= MALLOC(nblocksy
*st
->base
.stride
);
823 pipe_texture_reference(&st
->base
.texture
, texture
);
825 if (usage
& PIPE_TRANSFER_READ
)
826 svga_transfer_dma(st
, SVGA3D_READ_HOST_VRAM
);
831 sws
->buffer_destroy(sws
, st
->hwbuf
);
839 svga_transfer_map( struct pipe_screen
*screen
,
840 struct pipe_transfer
*transfer
)
842 struct svga_screen
*ss
= svga_screen(screen
);
843 struct svga_winsys_screen
*sws
= ss
->sws
;
844 struct svga_transfer
*st
= svga_transfer(transfer
);
849 /* The wait for read transfers already happened when svga_transfer_dma
851 return sws
->buffer_map(sws
, st
->hwbuf
,
852 pipe_transfer_buffer_flags(transfer
));
857 svga_transfer_unmap(struct pipe_screen
*screen
,
858 struct pipe_transfer
*transfer
)
860 struct svga_screen
*ss
= svga_screen(screen
);
861 struct svga_winsys_screen
*sws
= ss
->sws
;
862 struct svga_transfer
*st
= svga_transfer(transfer
);
865 sws
->buffer_unmap(sws
, st
->hwbuf
);
870 svga_tex_transfer_destroy(struct pipe_transfer
*transfer
)
872 struct svga_texture
*tex
= svga_texture(transfer
->texture
);
873 struct svga_screen
*ss
= svga_screen(transfer
->texture
->screen
);
874 struct svga_winsys_screen
*sws
= ss
->sws
;
875 struct svga_transfer
*st
= svga_transfer(transfer
);
877 if (st
->base
.usage
& PIPE_TRANSFER_WRITE
) {
878 svga_transfer_dma(st
, SVGA3D_WRITE_HOST_VRAM
);
879 ss
->texture_timestamp
++;
880 tex
->view_age
[transfer
->level
] = ++(tex
->age
);
881 tex
->defined
[transfer
->face
][transfer
->level
] = TRUE
;
884 pipe_texture_reference(&st
->base
.texture
, NULL
);
886 sws
->buffer_destroy(sws
, st
->hwbuf
);
891 svga_screen_init_texture_functions(struct pipe_screen
*screen
)
893 screen
->texture_create
= svga_texture_create
;
894 screen
->texture_destroy
= svga_texture_destroy
;
895 screen
->get_tex_surface
= svga_get_tex_surface
;
896 screen
->tex_surface_destroy
= svga_tex_surface_destroy
;
897 screen
->texture_blanket
= svga_texture_blanket
;
898 screen
->get_tex_transfer
= svga_get_tex_transfer
;
899 screen
->transfer_map
= svga_transfer_map
;
900 screen
->transfer_unmap
= svga_transfer_unmap
;
901 screen
->tex_transfer_destroy
= svga_tex_transfer_destroy
;
904 /***********************************************************************
907 struct svga_sampler_view
*
908 svga_get_tex_sampler_view(struct pipe_context
*pipe
, struct pipe_texture
*pt
,
909 unsigned min_lod
, unsigned max_lod
)
911 struct svga_screen
*ss
= svga_screen(pt
->screen
);
912 struct svga_winsys_screen
*sws
= ss
->sws
;
913 struct svga_texture
*tex
= svga_texture(pt
);
914 struct svga_sampler_view
*sv
= NULL
;
915 SVGA3dSurfaceFormat format
= svga_translate_format(pt
->format
);
919 assert(min_lod
>= 0);
920 assert(min_lod
<= max_lod
);
921 assert(max_lod
<= pt
->last_level
);
924 /* Is a view needed */
927 * Can't control max lod. For first level views and when we only
928 * look at one level we disable mip filtering to achive the same
931 if (min_lod
== 0 && max_lod
>= pt
->last_level
)
934 if (pf_is_compressed(pt
->format
) && view
) {
935 format
= svga_translate_format_render(pt
->format
);
938 if (ss
->debug
.no_sampler_view
)
941 if (ss
->debug
.force_sampler_view
)
945 /* First try the cache */
947 pipe_mutex_lock(ss
->tex_mutex
);
948 if (tex
->cached_view
&&
949 tex
->cached_view
->min_lod
== min_lod
&&
950 tex
->cached_view
->max_lod
== max_lod
) {
951 svga_sampler_view_reference(&sv
, tex
->cached_view
);
952 pipe_mutex_unlock(ss
->tex_mutex
);
953 SVGA_DBG(DEBUG_VIEWS
, "svga: Sampler view: reuse %p, %u %u, last %u\n",
954 pt
, min_lod
, max_lod
, pt
->last_level
);
955 svga_validate_sampler_view(svga_context(pipe
), sv
);
958 pipe_mutex_unlock(ss
->tex_mutex
);
961 sv
= CALLOC_STRUCT(svga_sampler_view
);
962 pipe_reference_init(&sv
->reference
, 1);
964 sv
->min_lod
= min_lod
;
965 sv
->max_lod
= max_lod
;
967 /* No view needed just use the whole texture */
969 SVGA_DBG(DEBUG_VIEWS
,
970 "svga: Sampler view: no %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n",
971 pt
, min_lod
, max_lod
,
972 max_lod
- min_lod
+ 1,
977 sv
->key
.cachable
= 0;
978 sws
->surface_reference(sws
, &sv
->handle
, tex
->handle
);
982 SVGA_DBG(DEBUG_VIEWS
,
983 "svga: Sampler view: yes %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n",
984 pt
, min_lod
, max_lod
,
985 max_lod
- min_lod
+ 1,
992 sv
->handle
= svga_texture_view_surface(pipe
, tex
, format
,
994 max_lod
- min_lod
+ 1,
1000 sv
->key
.cachable
= 0;
1001 sws
->surface_reference(sws
, &sv
->handle
, tex
->handle
);
1005 pipe_mutex_lock(ss
->tex_mutex
);
1006 svga_sampler_view_reference(&tex
->cached_view
, sv
);
1007 pipe_mutex_unlock(ss
->tex_mutex
);
1013 svga_validate_sampler_view(struct svga_context
*svga
, struct svga_sampler_view
*v
)
1015 struct svga_texture
*tex
= v
->texture
;
1022 if (v
->handle
== v
->texture
->handle
)
1027 if(tex
->base
.target
== PIPE_TEXTURE_CUBE
)
1032 for (i
= v
->min_lod
; i
<= v
->max_lod
; i
++) {
1033 for (k
= 0; k
< numFaces
; k
++) {
1034 if (v
->age
< tex
->view_age
[i
])
1035 svga_texture_copy_handle(svga
, NULL
,
1036 tex
->handle
, 0, 0, 0, i
, k
,
1037 v
->handle
, 0, 0, 0, i
- v
->min_lod
, k
,
1038 u_minify(tex
->base
.width0
, i
),
1039 u_minify(tex
->base
.height0
, i
),
1040 u_minify(tex
->base
.depth0
, i
));
1048 svga_destroy_sampler_view_priv(struct svga_sampler_view
*v
)
1050 struct svga_screen
*ss
= svga_screen(v
->texture
->base
.screen
);
1052 SVGA_DBG(DEBUG_DMA
, "unref sid %p (sampler view)\n", v
->handle
);
1053 svga_screen_surface_destroy(ss
, &v
->key
, &v
->handle
);
1059 svga_screen_buffer_from_texture(struct pipe_texture
*texture
,
1060 struct pipe_buffer
**buffer
,
1063 struct svga_texture
*stex
= svga_texture(texture
);
1065 *buffer
= svga_screen_buffer_wrap_surface
1067 svga_translate_format(texture
->format
),
1070 *stride
= pf_get_stride(texture
->format
, texture
->width0
);
1072 return *buffer
!= NULL
;
1076 struct svga_winsys_surface
*
1077 svga_screen_texture_get_winsys_surface(struct pipe_texture
*texture
)
1079 struct svga_winsys_screen
*sws
= svga_winsys_screen(texture
->screen
);
1080 struct svga_winsys_surface
*vsurf
= NULL
;
1082 assert(svga_texture(texture
)->key
.cachable
== 0);
1083 svga_texture(texture
)->key
.cachable
= 0;
1084 sws
->surface_reference(sws
, &vsurf
, svga_texture(texture
)->handle
);