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_format.h"
33 #include "util/u_math.h"
34 #include "util/u_memory.h"
36 #include "svga_screen.h"
37 #include "svga_context.h"
38 #include "svga_screen_texture.h"
39 #include "svga_screen_buffer.h"
40 #include "svga_winsys.h"
41 #include "svga_debug.h"
42 #include "svga_screen_buffer.h"
44 #include <util/u_string.h>
47 /* XXX: This isn't a real hardware flag, but just a hack for kernel to
48 * know about primary surfaces. Find a better way to accomplish this.
50 #define SVGA3D_SURFACE_HINT_SCANOUT (1 << 9)
54 * Helper function and arrays
58 svga_translate_format(enum pipe_format format
)
62 case PIPE_FORMAT_A8R8G8B8_UNORM
:
63 return SVGA3D_A8R8G8B8
;
64 case PIPE_FORMAT_X8R8G8B8_UNORM
:
65 return SVGA3D_X8R8G8B8
;
67 /* Required for GL2.1:
69 case PIPE_FORMAT_A8R8G8B8_SRGB
:
70 return SVGA3D_A8R8G8B8
;
72 case PIPE_FORMAT_R5G6B5_UNORM
:
74 case PIPE_FORMAT_A1R5G5B5_UNORM
:
75 return SVGA3D_A1R5G5B5
;
76 case PIPE_FORMAT_A4R4G4B4_UNORM
:
77 return SVGA3D_A4R4G4B4
;
80 /* XXX: Doesn't seem to work properly.
81 case PIPE_FORMAT_Z32_UNORM:
84 case PIPE_FORMAT_Z16_UNORM
:
86 case PIPE_FORMAT_Z24S8_UNORM
:
87 return SVGA3D_Z_D24S8
;
88 case PIPE_FORMAT_Z24X8_UNORM
:
89 return SVGA3D_Z_D24X8
;
91 case PIPE_FORMAT_A8_UNORM
:
93 case PIPE_FORMAT_L8_UNORM
:
94 return SVGA3D_LUMINANCE8
;
96 case PIPE_FORMAT_DXT1_RGB
:
97 case PIPE_FORMAT_DXT1_RGBA
:
99 case PIPE_FORMAT_DXT3_RGBA
:
101 case PIPE_FORMAT_DXT5_RGBA
:
105 return SVGA3D_FORMAT_INVALID
;
111 svga_translate_format_render(enum pipe_format format
)
114 case PIPE_FORMAT_A8R8G8B8_UNORM
:
115 case PIPE_FORMAT_X8R8G8B8_UNORM
:
116 case PIPE_FORMAT_A1R5G5B5_UNORM
:
117 case PIPE_FORMAT_A4R4G4B4_UNORM
:
118 case PIPE_FORMAT_R5G6B5_UNORM
:
119 case PIPE_FORMAT_Z24S8_UNORM
:
120 case PIPE_FORMAT_Z24X8_UNORM
:
121 case PIPE_FORMAT_Z32_UNORM
:
122 case PIPE_FORMAT_Z16_UNORM
:
123 case PIPE_FORMAT_L8_UNORM
:
124 return svga_translate_format(format
);
127 /* For on host conversion */
128 case PIPE_FORMAT_DXT1_RGB
:
129 return SVGA3D_X8R8G8B8
;
130 case PIPE_FORMAT_DXT1_RGBA
:
131 case PIPE_FORMAT_DXT3_RGBA
:
132 case PIPE_FORMAT_DXT5_RGBA
:
133 return SVGA3D_A8R8G8B8
;
137 return SVGA3D_FORMAT_INVALID
;
143 svga_transfer_dma_band(struct svga_transfer
*st
,
144 SVGA3dTransferType transfer
,
145 unsigned y
, unsigned h
, unsigned srcy
)
147 struct svga_texture
*texture
= svga_texture(st
->base
.texture
);
148 struct svga_screen
*screen
= svga_screen(texture
->base
.screen
);
152 SVGA_DBG(DEBUG_DMA
, "dma %s sid %p, face %u, (%u, %u, %u) - (%u, %u, %u), %ubpp\n",
153 transfer
== SVGA3D_WRITE_HOST_VRAM
? "to" : "from",
159 st
->base
.x
+ st
->base
.width
,
162 util_format_get_blocksize(texture
->base
.format
)*8/
163 (util_format_get_blockwidth(texture
->base
.format
)*util_format_get_blockheight(texture
->base
.format
)));
167 box
.z
= st
->base
.zslice
;
168 box
.w
= st
->base
.width
;
175 pipe_mutex_lock(screen
->swc_mutex
);
176 ret
= SVGA3D_SurfaceDMA(screen
->swc
, st
, transfer
, &box
, 1);
178 screen
->swc
->flush(screen
->swc
, NULL
);
179 ret
= SVGA3D_SurfaceDMA(screen
->swc
, st
, transfer
, &box
, 1);
180 assert(ret
== PIPE_OK
);
182 pipe_mutex_unlock(screen
->swc_mutex
);
187 svga_transfer_dma(struct svga_transfer
*st
,
188 SVGA3dTransferType transfer
)
190 struct svga_texture
*texture
= svga_texture(st
->base
.texture
);
191 struct svga_screen
*screen
= svga_screen(texture
->base
.screen
);
192 struct svga_winsys_screen
*sws
= screen
->sws
;
193 struct pipe_fence_handle
*fence
= NULL
;
195 if (transfer
== SVGA3D_READ_HOST_VRAM
) {
196 SVGA_DBG(DEBUG_PERF
, "%s: readback transfer\n", __FUNCTION__
);
201 /* Do the DMA transfer in a single go */
203 svga_transfer_dma_band(st
, transfer
, st
->base
.y
, st
->base
.height
, 0);
205 if(transfer
== SVGA3D_READ_HOST_VRAM
) {
206 svga_screen_flush(screen
, &fence
);
207 sws
->fence_finish(sws
, fence
, 0);
208 //sws->fence_reference(sws, &fence, NULL);
213 unsigned blockheight
= util_format_get_blockheight(st
->base
.texture
->format
);
214 h
= st
->hw_nblocksy
* blockheight
;
216 for(y
= 0; y
< st
->base
.height
; y
+= h
) {
217 unsigned offset
, length
;
220 if (y
+ h
> st
->base
.height
)
221 h
= st
->base
.height
- y
;
223 /* Transfer band must be aligned to pixel block boundaries */
224 assert(y
% blockheight
== 0);
225 assert(h
% blockheight
== 0);
227 offset
= y
* st
->base
.stride
/ blockheight
;
228 length
= h
* st
->base
.stride
/ blockheight
;
230 sw
= (uint8_t *)st
->swbuf
+ offset
;
232 if(transfer
== SVGA3D_WRITE_HOST_VRAM
) {
233 /* Wait for the previous DMAs to complete */
234 /* TODO: keep one DMA (at half the size) in the background */
236 svga_screen_flush(screen
, &fence
);
237 sws
->fence_finish(sws
, fence
, 0);
238 //sws->fence_reference(sws, &fence, NULL);
241 hw
= sws
->buffer_map(sws
, st
->hwbuf
, PIPE_BUFFER_USAGE_CPU_WRITE
);
244 memcpy(hw
, sw
, length
);
245 sws
->buffer_unmap(sws
, st
->hwbuf
);
249 svga_transfer_dma_band(st
, transfer
, y
, h
, srcy
);
251 if(transfer
== SVGA3D_READ_HOST_VRAM
) {
252 svga_screen_flush(screen
, &fence
);
253 sws
->fence_finish(sws
, fence
, 0);
255 hw
= sws
->buffer_map(sws
, st
->hwbuf
, PIPE_BUFFER_USAGE_CPU_READ
);
258 memcpy(sw
, hw
, length
);
259 sws
->buffer_unmap(sws
, st
->hwbuf
);
267 static struct pipe_texture
*
268 svga_texture_create(struct pipe_screen
*screen
,
269 const struct pipe_texture
*templat
)
271 struct svga_screen
*svgascreen
= svga_screen(screen
);
272 struct svga_texture
*tex
= CALLOC_STRUCT(svga_texture
);
273 unsigned width
, height
, depth
;
279 tex
->base
= *templat
;
280 pipe_reference_init(&tex
->base
.reference
, 1);
281 tex
->base
.screen
= screen
;
283 assert(templat
->last_level
< SVGA_MAX_TEXTURE_LEVELS
);
284 if(templat
->last_level
>= SVGA_MAX_TEXTURE_LEVELS
)
287 width
= templat
->width0
;
288 height
= templat
->height0
;
289 depth
= templat
->depth0
;
290 for(level
= 0; level
<= templat
->last_level
; ++level
) {
291 width
= u_minify(width
, 1);
292 height
= u_minify(height
, 1);
293 depth
= u_minify(depth
, 1);
297 tex
->key
.size
.width
= templat
->width0
;
298 tex
->key
.size
.height
= templat
->height0
;
299 tex
->key
.size
.depth
= templat
->depth0
;
301 if(templat
->target
== PIPE_TEXTURE_CUBE
) {
302 tex
->key
.flags
|= SVGA3D_SURFACE_CUBEMAP
;
303 tex
->key
.numFaces
= 6;
306 tex
->key
.numFaces
= 1;
309 if(templat
->tex_usage
& PIPE_TEXTURE_USAGE_SAMPLER
)
310 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_TEXTURE
;
312 if(templat
->tex_usage
& PIPE_TEXTURE_USAGE_PRIMARY
)
313 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_SCANOUT
;
316 * XXX: Never pass the SVGA3D_SURFACE_HINT_RENDERTARGET hint. Mesa cannot
317 * know beforehand whether a texture will be used as a rendertarget or not
318 * and it always requests PIPE_TEXTURE_USAGE_RENDER_TARGET, therefore
319 * passing the SVGA3D_SURFACE_HINT_RENDERTARGET here defeats its purpose.
322 if((templat
->tex_usage
& PIPE_TEXTURE_USAGE_RENDER_TARGET
) &&
323 !util_format_is_compressed(templat
->format
))
324 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_RENDERTARGET
;
327 if(templat
->tex_usage
& PIPE_TEXTURE_USAGE_DEPTH_STENCIL
)
328 tex
->key
.flags
|= SVGA3D_SURFACE_HINT_DEPTHSTENCIL
;
330 tex
->key
.numMipLevels
= templat
->last_level
+ 1;
332 tex
->key
.format
= svga_translate_format(templat
->format
);
333 if(tex
->key
.format
== SVGA3D_FORMAT_INVALID
)
336 tex
->key
.cachable
= 1;
338 SVGA_DBG(DEBUG_DMA
, "surface_create for texture\n", tex
->handle
);
339 tex
->handle
= svga_screen_surface_create(svgascreen
, &tex
->key
);
341 SVGA_DBG(DEBUG_DMA
, " --> got sid %p (texture)\n", tex
->handle
);
352 static struct pipe_texture
*
353 svga_texture_blanket(struct pipe_screen
* screen
,
354 const struct pipe_texture
*base
,
355 const unsigned *stride
,
356 struct pipe_buffer
*buffer
)
358 struct svga_texture
*tex
;
359 struct svga_buffer
*sbuf
= svga_buffer(buffer
);
360 struct svga_winsys_screen
*sws
= svga_winsys_screen(screen
);
363 /* Only supports one type */
364 if (base
->target
!= PIPE_TEXTURE_2D
||
365 base
->last_level
!= 0 ||
371 * We currently can't do texture blanket on
372 * SVGA3D_BUFFER. Need to blit to a temporary surface?
375 assert(sbuf
->handle
);
379 if (svga_translate_format(base
->format
) != sbuf
->key
.format
) {
380 unsigned f1
= svga_translate_format(base
->format
);
381 unsigned f2
= sbuf
->key
.format
;
383 /* It's okay for XRGB and ARGB or depth with/out stencil to get mixed up */
384 if ( !( (f1
== SVGA3D_X8R8G8B8
&& f2
== SVGA3D_A8R8G8B8
) ||
385 (f1
== SVGA3D_A8R8G8B8
&& f2
== SVGA3D_X8R8G8B8
) ||
386 (f1
== SVGA3D_Z_D24X8
&& f2
== SVGA3D_Z_D24S8
) ) ) {
387 debug_printf("%s wrong format %u != %u\n", __FUNCTION__
, f1
, f2
);
392 tex
= CALLOC_STRUCT(svga_texture
);
399 if (sbuf
->key
.format
== 1)
400 tex
->base
.format
= PIPE_FORMAT_X8R8G8B8_UNORM
;
401 else if (sbuf
->key
.format
== 2)
402 tex
->base
.format
= PIPE_FORMAT_A8R8G8B8_UNORM
;
404 pipe_reference_init(&tex
->base
.reference
, 1);
405 tex
->base
.screen
= screen
;
407 SVGA_DBG(DEBUG_DMA
, "blanket sid %p\n", sbuf
->handle
);
409 /* We don't own this storage, so don't try to cache it.
411 assert(sbuf
->key
.cachable
== 0);
412 tex
->key
.cachable
= 0;
413 sws
->surface_reference(sws
, &tex
->handle
, sbuf
->handle
);
420 svga_texture_destroy(struct pipe_texture
*pt
)
422 struct svga_screen
*ss
= svga_screen(pt
->screen
);
423 struct svga_texture
*tex
= (struct svga_texture
*)pt
;
425 ss
->texture_timestamp
++;
427 svga_sampler_view_reference(&tex
->cached_view
, NULL
);
430 DBG("%s deleting %p\n", __FUNCTION__, (void *) tex);
432 SVGA_DBG(DEBUG_DMA
, "unref sid %p (texture)\n", tex
->handle
);
433 svga_screen_surface_destroy(ss
, &tex
->key
, &tex
->handle
);
440 svga_texture_copy_handle(struct svga_context
*svga
,
441 struct svga_screen
*ss
,
442 struct svga_winsys_surface
*src_handle
,
443 unsigned src_x
, unsigned src_y
, unsigned src_z
,
444 unsigned src_level
, unsigned src_face
,
445 struct svga_winsys_surface
*dst_handle
,
446 unsigned dst_x
, unsigned dst_y
, unsigned dst_z
,
447 unsigned dst_level
, unsigned dst_face
,
448 unsigned width
, unsigned height
, unsigned depth
)
450 struct svga_surface dst
, src
;
452 SVGA3dCopyBox box
, *boxes
;
456 src
.handle
= src_handle
;
457 src
.real_level
= src_level
;
458 src
.real_face
= src_face
;
461 dst
.handle
= dst_handle
;
462 dst
.real_level
= dst_level
;
463 dst
.real_face
= dst_face
;
477 SVGA_DBG(DEBUG_VIEWS, "mipcopy src: %p %u (%ux%ux%u), dst: %p %u (%ux%ux%u)\n",
478 src_handle, src_level, src_x, src_y, src_z,
479 dst_handle, dst_level, dst_x, dst_y, dst_z);
483 ret
= SVGA3D_BeginSurfaceCopy(svga
->swc
,
488 svga_context_flush(svga
, NULL
);
489 ret
= SVGA3D_BeginSurfaceCopy(svga
->swc
,
493 assert(ret
== PIPE_OK
);
496 SVGA_FIFOCommitAll(svga
->swc
);
498 pipe_mutex_lock(ss
->swc_mutex
);
499 ret
= SVGA3D_BeginSurfaceCopy(ss
->swc
,
504 ss
->swc
->flush(ss
->swc
, NULL
);
505 ret
= SVGA3D_BeginSurfaceCopy(ss
->swc
,
509 assert(ret
== PIPE_OK
);
512 SVGA_FIFOCommitAll(ss
->swc
);
513 pipe_mutex_unlock(ss
->swc_mutex
);
517 static struct svga_winsys_surface
*
518 svga_texture_view_surface(struct pipe_context
*pipe
,
519 struct svga_texture
*tex
,
520 SVGA3dSurfaceFormat format
,
525 struct svga_host_surface_cache_key
*key
) /* OUT */
527 struct svga_screen
*ss
= svga_screen(tex
->base
.screen
);
528 struct svga_winsys_surface
*handle
;
530 unsigned z_offset
= 0;
533 "svga: Create surface view: face %d zslice %d mips %d..%d\n",
534 face_pick
, zslice_pick
, start_mip
, start_mip
+num_mip
-1);
537 key
->format
= format
;
538 key
->numMipLevels
= num_mip
;
539 key
->size
.width
= u_minify(tex
->base
.width0
, start_mip
);
540 key
->size
.height
= u_minify(tex
->base
.height0
, start_mip
);
541 key
->size
.depth
= zslice_pick
< 0 ? u_minify(tex
->base
.depth0
, start_mip
) : 1;
543 assert(key
->size
.depth
== 1);
545 if(tex
->base
.target
== PIPE_TEXTURE_CUBE
&& face_pick
< 0) {
546 key
->flags
|= SVGA3D_SURFACE_CUBEMAP
;
552 if(key
->format
== SVGA3D_FORMAT_INVALID
) {
557 SVGA_DBG(DEBUG_DMA
, "surface_create for texture view\n");
558 handle
= svga_screen_surface_create(ss
, key
);
564 SVGA_DBG(DEBUG_DMA
, " --> got sid %p (texture view)\n", handle
);
569 if (zslice_pick
>= 0)
570 z_offset
= zslice_pick
;
572 for (i
= 0; i
< key
->numMipLevels
; i
++) {
573 for (j
= 0; j
< key
->numFaces
; j
++) {
574 if(tex
->defined
[j
+ face_pick
][i
+ start_mip
]) {
575 unsigned depth
= (zslice_pick
< 0 ?
576 u_minify(tex
->base
.depth0
, i
+ start_mip
) :
579 svga_texture_copy_handle(svga_context(pipe
),
585 handle
, 0, 0, 0, i
, j
,
586 u_minify(tex
->base
.width0
, i
+ start_mip
),
587 u_minify(tex
->base
.height0
, i
+ start_mip
),
597 static struct pipe_surface
*
598 svga_get_tex_surface(struct pipe_screen
*screen
,
599 struct pipe_texture
*pt
,
600 unsigned face
, unsigned level
, unsigned zslice
,
603 struct svga_texture
*tex
= svga_texture(pt
);
604 struct svga_surface
*s
;
605 boolean render
= flags
& PIPE_BUFFER_USAGE_GPU_WRITE
? TRUE
: FALSE
;
606 boolean view
= FALSE
;
607 SVGA3dSurfaceFormat format
;
609 s
= CALLOC_STRUCT(svga_surface
);
613 pipe_reference_init(&s
->base
.reference
, 1);
614 pipe_texture_reference(&s
->base
.texture
, pt
);
615 s
->base
.format
= pt
->format
;
616 s
->base
.width
= u_minify(pt
->width0
, level
);
617 s
->base
.height
= u_minify(pt
->height0
, level
);
618 s
->base
.usage
= flags
;
619 s
->base
.level
= level
;
621 s
->base
.zslice
= zslice
;
624 format
= svga_translate_format(pt
->format
);
626 format
= svga_translate_format_render(pt
->format
);
628 assert(format
!= SVGA3D_FORMAT_INVALID
);
629 assert(!(flags
& PIPE_BUFFER_USAGE_CPU_READ_WRITE
));
632 if (svga_screen(screen
)->debug
.force_surface_view
)
635 /* Currently only used for compressed textures */
637 format
!= svga_translate_format(pt
->format
)) {
642 svga_screen(screen
)->debug
.force_level_surface_view
)
645 if (pt
->target
== PIPE_TEXTURE_3D
)
648 if (svga_screen(screen
)->debug
.no_surface_view
)
652 SVGA_DBG(DEBUG_VIEWS
, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
653 pt
, level
, face
, zslice
, s
);
655 s
->handle
= svga_texture_view_surface(NULL
, tex
, format
, level
, 1, face
, zslice
,
661 SVGA_DBG(DEBUG_VIEWS
, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
662 pt
, level
, face
, zslice
, s
);
664 memset(&s
->key
, 0, sizeof s
->key
);
665 s
->handle
= tex
->handle
;
667 s
->real_level
= level
;
668 s
->real_zslice
= zslice
;
676 svga_tex_surface_destroy(struct pipe_surface
*surf
)
678 struct svga_surface
*s
= svga_surface(surf
);
679 struct svga_texture
*t
= svga_texture(surf
->texture
);
680 struct svga_screen
*ss
= svga_screen(surf
->texture
->screen
);
682 if(s
->handle
!= t
->handle
) {
683 SVGA_DBG(DEBUG_DMA
, "unref sid %p (tex surface)\n", s
->handle
);
684 svga_screen_surface_destroy(ss
, &s
->key
, &s
->handle
);
687 pipe_texture_reference(&surf
->texture
, NULL
);
693 svga_mark_surface_dirty(struct pipe_surface
*surf
)
695 struct svga_surface
*s
= svga_surface(surf
);
698 struct svga_texture
*tex
= svga_texture(surf
->texture
);
702 if (s
->handle
== tex
->handle
)
703 tex
->defined
[surf
->face
][surf
->level
] = TRUE
;
705 /* this will happen later in svga_propagate_surface */
711 void svga_mark_surfaces_dirty(struct svga_context
*svga
)
715 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
716 if (svga
->curr
.framebuffer
.cbufs
[i
])
717 svga_mark_surface_dirty(svga
->curr
.framebuffer
.cbufs
[i
]);
719 if (svga
->curr
.framebuffer
.zsbuf
)
720 svga_mark_surface_dirty(svga
->curr
.framebuffer
.zsbuf
);
724 * Progagate any changes from surfaces to texture.
725 * pipe is optional context to inline the blit command in.
728 svga_propagate_surface(struct pipe_context
*pipe
, struct pipe_surface
*surf
)
730 struct svga_surface
*s
= svga_surface(surf
);
731 struct svga_texture
*tex
= svga_texture(surf
->texture
);
732 struct svga_screen
*ss
= svga_screen(surf
->texture
->screen
);
738 ss
->texture_timestamp
++;
739 tex
->view_age
[surf
->level
] = ++(tex
->age
);
741 if (s
->handle
!= tex
->handle
) {
742 SVGA_DBG(DEBUG_VIEWS
, "svga: Surface propagate: tex %p, level %u, from %p\n", tex
, surf
->level
, surf
);
743 svga_texture_copy_handle(svga_context(pipe
), ss
,
744 s
->handle
, 0, 0, 0, s
->real_level
, s
->real_face
,
745 tex
->handle
, 0, 0, surf
->zslice
, surf
->level
, surf
->face
,
746 u_minify(tex
->base
.width0
, surf
->level
),
747 u_minify(tex
->base
.height0
, surf
->level
), 1);
748 tex
->defined
[surf
->face
][surf
->level
] = TRUE
;
753 * Check if we should call svga_propagate_surface on the surface.
756 svga_surface_needs_propagation(struct pipe_surface
*surf
)
758 struct svga_surface
*s
= svga_surface(surf
);
759 struct svga_texture
*tex
= svga_texture(surf
->texture
);
761 return s
->dirty
&& s
->handle
!= tex
->handle
;
765 static struct pipe_transfer
*
766 svga_get_tex_transfer(struct pipe_screen
*screen
,
767 struct pipe_texture
*texture
,
768 unsigned face
, unsigned level
, unsigned zslice
,
769 enum pipe_transfer_usage usage
, unsigned x
, unsigned y
,
770 unsigned w
, unsigned h
)
772 struct svga_screen
*ss
= svga_screen(screen
);
773 struct svga_winsys_screen
*sws
= ss
->sws
;
774 struct svga_transfer
*st
;
775 unsigned nblocksx
= util_format_get_nblocksx(texture
->format
, w
);
776 unsigned nblocksy
= util_format_get_nblocksy(texture
->format
, h
);
778 /* We can't map texture storage directly */
779 if (usage
& PIPE_TRANSFER_MAP_DIRECTLY
)
782 st
= CALLOC_STRUCT(svga_transfer
);
790 st
->base
.stride
= nblocksx
*util_format_get_blocksize(texture
->format
);
791 st
->base
.usage
= usage
;
792 st
->base
.face
= face
;
793 st
->base
.level
= level
;
794 st
->base
.zslice
= zslice
;
796 st
->hw_nblocksy
= nblocksy
;
798 st
->hwbuf
= svga_winsys_buffer_create(ss
,
801 st
->hw_nblocksy
*st
->base
.stride
);
802 while(!st
->hwbuf
&& (st
->hw_nblocksy
/= 2)) {
803 st
->hwbuf
= svga_winsys_buffer_create(ss
,
806 st
->hw_nblocksy
*st
->base
.stride
);
812 if(st
->hw_nblocksy
< nblocksy
) {
813 /* We couldn't allocate a hardware buffer big enough for the transfer,
814 * so allocate regular malloc memory instead */
815 debug_printf("%s: failed to allocate %u KB of DMA, splitting into %u x %u KB DMA transfers\n",
817 (nblocksy
*st
->base
.stride
+ 1023)/1024,
818 (nblocksy
+ st
->hw_nblocksy
- 1)/st
->hw_nblocksy
,
819 (st
->hw_nblocksy
*st
->base
.stride
+ 1023)/1024);
820 st
->swbuf
= MALLOC(nblocksy
*st
->base
.stride
);
825 pipe_texture_reference(&st
->base
.texture
, texture
);
827 if (usage
& PIPE_TRANSFER_READ
)
828 svga_transfer_dma(st
, SVGA3D_READ_HOST_VRAM
);
833 sws
->buffer_destroy(sws
, st
->hwbuf
);
841 svga_transfer_map( struct pipe_screen
*screen
,
842 struct pipe_transfer
*transfer
)
844 struct svga_screen
*ss
= svga_screen(screen
);
845 struct svga_winsys_screen
*sws
= ss
->sws
;
846 struct svga_transfer
*st
= svga_transfer(transfer
);
851 /* The wait for read transfers already happened when svga_transfer_dma
853 return sws
->buffer_map(sws
, st
->hwbuf
,
854 pipe_transfer_buffer_flags(transfer
));
859 svga_transfer_unmap(struct pipe_screen
*screen
,
860 struct pipe_transfer
*transfer
)
862 struct svga_screen
*ss
= svga_screen(screen
);
863 struct svga_winsys_screen
*sws
= ss
->sws
;
864 struct svga_transfer
*st
= svga_transfer(transfer
);
867 sws
->buffer_unmap(sws
, st
->hwbuf
);
872 svga_tex_transfer_destroy(struct pipe_transfer
*transfer
)
874 struct svga_texture
*tex
= svga_texture(transfer
->texture
);
875 struct svga_screen
*ss
= svga_screen(transfer
->texture
->screen
);
876 struct svga_winsys_screen
*sws
= ss
->sws
;
877 struct svga_transfer
*st
= svga_transfer(transfer
);
879 if (st
->base
.usage
& PIPE_TRANSFER_WRITE
) {
880 svga_transfer_dma(st
, SVGA3D_WRITE_HOST_VRAM
);
881 ss
->texture_timestamp
++;
882 tex
->view_age
[transfer
->level
] = ++(tex
->age
);
883 tex
->defined
[transfer
->face
][transfer
->level
] = TRUE
;
886 pipe_texture_reference(&st
->base
.texture
, NULL
);
888 sws
->buffer_destroy(sws
, st
->hwbuf
);
893 svga_screen_init_texture_functions(struct pipe_screen
*screen
)
895 screen
->texture_create
= svga_texture_create
;
896 screen
->texture_destroy
= svga_texture_destroy
;
897 screen
->get_tex_surface
= svga_get_tex_surface
;
898 screen
->tex_surface_destroy
= svga_tex_surface_destroy
;
899 screen
->texture_blanket
= svga_texture_blanket
;
900 screen
->get_tex_transfer
= svga_get_tex_transfer
;
901 screen
->transfer_map
= svga_transfer_map
;
902 screen
->transfer_unmap
= svga_transfer_unmap
;
903 screen
->tex_transfer_destroy
= svga_tex_transfer_destroy
;
906 /***********************************************************************
909 struct svga_sampler_view
*
910 svga_get_tex_sampler_view(struct pipe_context
*pipe
, struct pipe_texture
*pt
,
911 unsigned min_lod
, unsigned max_lod
)
913 struct svga_screen
*ss
= svga_screen(pt
->screen
);
914 struct svga_texture
*tex
= svga_texture(pt
);
915 struct svga_sampler_view
*sv
= NULL
;
916 SVGA3dSurfaceFormat format
= svga_translate_format(pt
->format
);
920 assert(min_lod
>= 0);
921 assert(min_lod
<= max_lod
);
922 assert(max_lod
<= pt
->last_level
);
925 /* Is a view needed */
928 * Can't control max lod. For first level views and when we only
929 * look at one level we disable mip filtering to achive the same
932 if (min_lod
== 0 && max_lod
>= pt
->last_level
)
935 if (util_format_is_compressed(pt
->format
) && view
) {
936 format
= svga_translate_format_render(pt
->format
);
939 if (ss
->debug
.no_sampler_view
)
942 if (ss
->debug
.force_sampler_view
)
946 /* First try the cache */
948 pipe_mutex_lock(ss
->tex_mutex
);
949 if (tex
->cached_view
&&
950 tex
->cached_view
->min_lod
== min_lod
&&
951 tex
->cached_view
->max_lod
== max_lod
) {
952 svga_sampler_view_reference(&sv
, tex
->cached_view
);
953 pipe_mutex_unlock(ss
->tex_mutex
);
954 SVGA_DBG(DEBUG_VIEWS
, "svga: Sampler view: reuse %p, %u %u, last %u\n",
955 pt
, min_lod
, max_lod
, pt
->last_level
);
956 svga_validate_sampler_view(svga_context(pipe
), sv
);
959 pipe_mutex_unlock(ss
->tex_mutex
);
962 sv
= CALLOC_STRUCT(svga_sampler_view
);
963 pipe_reference_init(&sv
->reference
, 1);
964 pipe_texture_reference(&sv
->texture
, pt
);
965 sv
->min_lod
= min_lod
;
966 sv
->max_lod
= max_lod
;
968 /* No view needed just use the whole texture */
970 SVGA_DBG(DEBUG_VIEWS
,
971 "svga: Sampler view: no %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n",
972 pt
, min_lod
, max_lod
,
973 max_lod
- min_lod
+ 1,
978 sv
->key
.cachable
= 0;
979 sv
->handle
= tex
->handle
;
983 SVGA_DBG(DEBUG_VIEWS
,
984 "svga: Sampler view: yes %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n",
985 pt
, min_lod
, max_lod
,
986 max_lod
- min_lod
+ 1,
993 sv
->handle
= svga_texture_view_surface(pipe
, tex
, format
,
995 max_lod
- min_lod
+ 1,
1001 sv
->key
.cachable
= 0;
1002 sv
->handle
= tex
->handle
;
1006 pipe_mutex_lock(ss
->tex_mutex
);
1007 svga_sampler_view_reference(&tex
->cached_view
, sv
);
1008 pipe_mutex_unlock(ss
->tex_mutex
);
1014 svga_validate_sampler_view(struct svga_context
*svga
, struct svga_sampler_view
*v
)
1016 struct svga_texture
*tex
= svga_texture(v
->texture
);
1023 if (v
->handle
== tex
->handle
)
1028 if(tex
->base
.target
== PIPE_TEXTURE_CUBE
)
1033 for (i
= v
->min_lod
; i
<= v
->max_lod
; i
++) {
1034 for (k
= 0; k
< numFaces
; k
++) {
1035 if (v
->age
< tex
->view_age
[i
])
1036 svga_texture_copy_handle(svga
, NULL
,
1037 tex
->handle
, 0, 0, 0, i
, k
,
1038 v
->handle
, 0, 0, 0, i
- v
->min_lod
, k
,
1039 u_minify(tex
->base
.width0
, i
),
1040 u_minify(tex
->base
.height0
, i
),
1041 u_minify(tex
->base
.depth0
, i
));
1049 svga_destroy_sampler_view_priv(struct svga_sampler_view
*v
)
1051 struct svga_texture
*tex
= svga_texture(v
->texture
);
1053 if(v
->handle
!= tex
->handle
) {
1054 struct svga_screen
*ss
= svga_screen(v
->texture
->screen
);
1055 SVGA_DBG(DEBUG_DMA
, "unref sid %p (sampler view)\n", v
->handle
);
1056 svga_screen_surface_destroy(ss
, &v
->key
, &v
->handle
);
1058 pipe_texture_reference(&v
->texture
, NULL
);
1063 svga_screen_buffer_from_texture(struct pipe_texture
*texture
,
1064 struct pipe_buffer
**buffer
,
1067 struct svga_texture
*stex
= svga_texture(texture
);
1069 *buffer
= svga_screen_buffer_wrap_surface
1071 svga_translate_format(texture
->format
),
1074 *stride
= util_format_get_stride(texture
->format
, texture
->width0
);
1076 return *buffer
!= NULL
;
1080 struct svga_winsys_surface
*
1081 svga_screen_texture_get_winsys_surface(struct pipe_texture
*texture
)
1083 struct svga_winsys_screen
*sws
= svga_winsys_screen(texture
->screen
);
1084 struct svga_winsys_surface
*vsurf
= NULL
;
1086 assert(svga_texture(texture
)->key
.cachable
== 0);
1087 svga_texture(texture
)->key
.cachable
= 0;
1088 sws
->surface_reference(sws
, &vsurf
, svga_texture(texture
)->handle
);