1 /**************************************************************************
3 * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
30 * Michel Dänzer <michel@tungstengraphics.com>
35 #include "pipe/p_context.h"
36 #include "pipe/p_defines.h"
38 #include "util/u_inlines.h"
39 #include "util/u_cpu_detect.h"
40 #include "util/u_format.h"
41 #include "util/u_math.h"
42 #include "util/u_memory.h"
43 #include "util/u_simple_list.h"
44 #include "util/u_transfer.h"
46 #include "lp_context.h"
48 #include "lp_screen.h"
49 #include "lp_tile_image.h"
50 #include "lp_texture.h"
54 #include "state_tracker/sw_winsys.h"
58 static struct llvmpipe_resource resource_list
;
60 static unsigned id_counter
= 0;
64 resource_is_texture(const struct pipe_resource
*resource
)
66 switch (resource
->target
) {
71 case PIPE_TEXTURE_RECT
:
73 case PIPE_TEXTURE_CUBE
:
84 * Allocate storage for llvmpipe_texture::layout array.
85 * The number of elements is width_in_tiles * height_in_tiles.
87 static enum lp_texture_layout
*
88 alloc_layout_array(unsigned num_slices
, unsigned width
, unsigned height
)
90 const unsigned tx
= align(width
, TILE_SIZE
) / TILE_SIZE
;
91 const unsigned ty
= align(height
, TILE_SIZE
) / TILE_SIZE
;
93 assert(num_slices
* tx
* ty
> 0);
94 assert(LP_TEX_LAYOUT_NONE
== 0); /* calloc'ing LP_TEX_LAYOUT_NONE here */
96 return (enum lp_texture_layout
*)
97 CALLOC(num_slices
* tx
* ty
, sizeof(enum lp_texture_layout
));
103 * Conventional allocation path for non-display textures:
104 * Just compute row strides here. Storage is allocated on demand later.
107 llvmpipe_texture_layout(struct llvmpipe_screen
*screen
,
108 struct llvmpipe_resource
*lpr
)
110 struct pipe_resource
*pt
= &lpr
->base
;
112 unsigned width
= pt
->width0
;
113 unsigned height
= pt
->height0
;
114 unsigned depth
= pt
->depth0
;
116 assert(LP_MAX_TEXTURE_2D_LEVELS
<= LP_MAX_TEXTURE_LEVELS
);
117 assert(LP_MAX_TEXTURE_3D_LEVELS
<= LP_MAX_TEXTURE_LEVELS
);
119 for (level
= 0; level
<= pt
->last_level
; level
++) {
121 /* Row stride and image stride (for linear layout) */
123 unsigned alignment
, nblocksx
, nblocksy
, block_size
;
125 /* For non-compressed formats we need to align the texture size
126 * to the tile size to facilitate render-to-texture.
128 if (util_format_is_compressed(pt
->format
))
131 alignment
= TILE_SIZE
;
133 nblocksx
= util_format_get_nblocksx(pt
->format
,
134 align(width
, alignment
));
135 nblocksy
= util_format_get_nblocksy(pt
->format
,
136 align(height
, alignment
));
137 block_size
= util_format_get_blocksize(pt
->format
);
139 lpr
->row_stride
[level
] = align(nblocksx
* block_size
, 16);
141 lpr
->img_stride
[level
] = lpr
->row_stride
[level
] * nblocksy
;
144 /* Size of the image in tiles (for tiled layout) */
146 const unsigned width_t
= align(width
, TILE_SIZE
) / TILE_SIZE
;
147 const unsigned height_t
= align(height
, TILE_SIZE
) / TILE_SIZE
;
148 lpr
->tiles_per_row
[level
] = width_t
;
149 lpr
->tiles_per_image
[level
] = width_t
* height_t
;
152 /* Number of 3D image slices or cube faces */
156 if (lpr
->base
.target
== PIPE_TEXTURE_CUBE
)
158 else if (lpr
->base
.target
== PIPE_TEXTURE_3D
)
163 lpr
->num_slices_faces
[level
] = num_slices
;
165 lpr
->layout
[level
] = alloc_layout_array(num_slices
, width
, height
);
168 /* Compute size of next mipmap level */
169 width
= u_minify(width
, 1);
170 height
= u_minify(height
, 1);
171 depth
= u_minify(depth
, 1);
180 llvmpipe_displaytarget_layout(struct llvmpipe_screen
*screen
,
181 struct llvmpipe_resource
*lpr
)
183 struct sw_winsys
*winsys
= screen
->winsys
;
185 /* Round up the surface size to a multiple of the tile size to
186 * avoid tile clipping.
188 const unsigned width
= align(lpr
->base
.width0
, TILE_SIZE
);
189 const unsigned height
= align(lpr
->base
.height0
, TILE_SIZE
);
190 const unsigned width_t
= width
/ TILE_SIZE
;
191 const unsigned height_t
= height
/ TILE_SIZE
;
193 lpr
->tiles_per_row
[0] = width_t
;
194 lpr
->tiles_per_image
[0] = width_t
* height_t
;
195 lpr
->num_slices_faces
[0] = 1;
196 lpr
->img_stride
[0] = 0;
198 lpr
->layout
[0] = alloc_layout_array(1, width
, height
);
199 //lpr->layout[0][0] = LP_TEX_LAYOUT_LINEAR;
201 lpr
->dt
= winsys
->displaytarget_create(winsys
,
206 &lpr
->row_stride
[0] );
208 return lpr
->dt
!= NULL
;
212 static struct pipe_resource
*
213 llvmpipe_resource_create(struct pipe_screen
*_screen
,
214 const struct pipe_resource
*templat
)
216 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
217 struct llvmpipe_resource
*lpr
= CALLOC_STRUCT(llvmpipe_resource
);
221 lpr
->base
= *templat
;
222 pipe_reference_init(&lpr
->base
.reference
, 1);
223 lpr
->base
.screen
= &screen
->base
;
225 /* assert(lpr->base.bind); */
227 if (resource_is_texture(&lpr
->base
)) {
228 if (lpr
->base
.bind
& PIPE_BIND_DISPLAY_TARGET
) {
229 /* displayable surface */
230 if (!llvmpipe_displaytarget_layout(screen
, lpr
))
232 assert(lpr
->layout
[0][0] == LP_TEX_LAYOUT_NONE
);
236 if (!llvmpipe_texture_layout(screen
, lpr
))
238 assert(lpr
->layout
[0][0] == LP_TEX_LAYOUT_NONE
);
240 assert(lpr
->layout
[0]);
243 /* other data (vertex buffer, const buffer, etc) */
244 const enum pipe_format format
= templat
->format
;
245 const uint w
= templat
->width0
/ util_format_get_blockheight(format
);
246 const uint h
= templat
->height0
/ util_format_get_blockwidth(format
);
247 const uint d
= templat
->depth0
;
248 const uint bpp
= util_format_get_blocksize(format
);
249 const uint bytes
= w
* h
* d
* bpp
;
250 lpr
->data
= align_malloc(bytes
, 16);
255 lpr
->id
= id_counter
++;
258 insert_at_tail(&resource_list
, lpr
);
270 llvmpipe_resource_destroy(struct pipe_screen
*pscreen
,
271 struct pipe_resource
*pt
)
273 struct llvmpipe_screen
*screen
= llvmpipe_screen(pscreen
);
274 struct llvmpipe_resource
*lpr
= llvmpipe_resource(pt
);
278 struct sw_winsys
*winsys
= screen
->winsys
;
279 winsys
->displaytarget_destroy(winsys
, lpr
->dt
);
281 if (lpr
->tiled
[0].data
) {
282 align_free(lpr
->tiled
[0].data
);
283 lpr
->tiled
[0].data
= NULL
;
286 FREE(lpr
->layout
[0]);
288 else if (resource_is_texture(pt
)) {
289 /* regular texture */
292 /* free linear image data */
293 for (level
= 0; level
< Elements(lpr
->linear
); level
++) {
294 if (lpr
->linear
[level
].data
) {
295 align_free(lpr
->linear
[level
].data
);
296 lpr
->linear
[level
].data
= NULL
;
300 /* free tiled image data */
301 for (level
= 0; level
< Elements(lpr
->tiled
); level
++) {
302 if (lpr
->tiled
[level
].data
) {
303 align_free(lpr
->tiled
[level
].data
);
304 lpr
->tiled
[level
].data
= NULL
;
308 /* free layout flag arrays */
309 for (level
= 0; level
< Elements(lpr
->tiled
); level
++) {
310 FREE(lpr
->layout
[level
]);
311 lpr
->layout
[level
] = NULL
;
314 else if (!lpr
->userBuffer
) {
316 align_free(lpr
->data
);
321 remove_from_list(lpr
);
329 * Map a resource for read/write.
332 llvmpipe_resource_map(struct pipe_resource
*resource
,
336 enum lp_texture_usage tex_usage
,
337 enum lp_texture_layout layout
)
339 struct llvmpipe_resource
*lpr
= llvmpipe_resource(resource
);
343 assert(level
< LP_MAX_TEXTURE_LEVELS
);
345 assert(tex_usage
== LP_TEX_USAGE_READ
||
346 tex_usage
== LP_TEX_USAGE_READ_WRITE
||
347 tex_usage
== LP_TEX_USAGE_WRITE_ALL
);
349 assert(layout
== LP_TEX_LAYOUT_NONE
||
350 layout
== LP_TEX_LAYOUT_TILED
||
351 layout
== LP_TEX_LAYOUT_LINEAR
);
355 struct llvmpipe_screen
*screen
= llvmpipe_screen(resource
->screen
);
356 struct sw_winsys
*winsys
= screen
->winsys
;
360 if (tex_usage
== LP_TEX_USAGE_READ
) {
361 dt_usage
= PIPE_TRANSFER_READ
;
364 dt_usage
= PIPE_TRANSFER_READ_WRITE
;
371 /* FIXME: keep map count? */
372 map
= winsys
->displaytarget_map(winsys
, lpr
->dt
, dt_usage
);
374 /* install this linear image in texture data structure */
375 lpr
->linear
[level
].data
= map
;
377 /* make sure tiled data gets converted to linear data */
378 map2
= llvmpipe_get_texture_image(lpr
, 0, 0, tex_usage
, layout
);
379 if (layout
== LP_TEX_LAYOUT_LINEAR
)
384 else if (resource_is_texture(resource
)) {
385 /* regular texture */
386 if (resource
->target
!= PIPE_TEXTURE_CUBE
) {
389 if (resource
->target
!= PIPE_TEXTURE_3D
) {
393 map
= llvmpipe_get_texture_image(lpr
, face
+ zslice
, level
,
407 llvmpipe_resource_unmap(struct pipe_resource
*resource
,
412 struct llvmpipe_resource
*lpr
= llvmpipe_resource(resource
);
416 struct llvmpipe_screen
*lp_screen
= llvmpipe_screen(resource
->screen
);
417 struct sw_winsys
*winsys
= lp_screen
->winsys
;
423 /* make sure linear image is up to date */
424 (void) llvmpipe_get_texture_image(lpr
, face
+ zslice
, level
,
426 LP_TEX_LAYOUT_LINEAR
);
428 winsys
->displaytarget_unmap(winsys
, lpr
->dt
);
434 llvmpipe_resource_data(struct pipe_resource
*resource
)
436 struct llvmpipe_resource
*lpr
= llvmpipe_resource(resource
);
438 assert(!resource_is_texture(resource
));
444 static struct pipe_resource
*
445 llvmpipe_resource_from_handle(struct pipe_screen
*screen
,
446 const struct pipe_resource
*template,
447 struct winsys_handle
*whandle
)
449 struct sw_winsys
*winsys
= llvmpipe_screen(screen
)->winsys
;
450 struct llvmpipe_resource
*lpr
= CALLOC_STRUCT(llvmpipe_resource
);
451 unsigned width
, height
, width_t
, height_t
;
453 /* XXX Seems like from_handled depth textures doesn't work that well */
458 lpr
->base
= *template;
459 pipe_reference_init(&lpr
->base
.reference
, 1);
460 lpr
->base
.screen
= screen
;
462 width
= align(lpr
->base
.width0
, TILE_SIZE
);
463 height
= align(lpr
->base
.height0
, TILE_SIZE
);
464 width_t
= width
/ TILE_SIZE
;
465 height_t
= height
/ TILE_SIZE
;
468 * Looks like unaligned displaytargets work just fine,
469 * at least sampler/render ones.
472 assert(lpr
->base
.width0
== width
);
473 assert(lpr
->base
.height0
== height
);
476 lpr
->tiles_per_row
[0] = width_t
;
477 lpr
->tiles_per_image
[0] = width_t
* height_t
;
478 lpr
->num_slices_faces
[0] = 1;
479 lpr
->img_stride
[0] = 0;
481 lpr
->dt
= winsys
->displaytarget_from_handle(winsys
,
484 &lpr
->row_stride
[0]);
488 lpr
->layout
[0] = alloc_layout_array(1, lpr
->base
.width0
, lpr
->base
.height0
);
490 assert(lpr
->layout
[0]);
491 assert(lpr
->layout
[0][0] == LP_TEX_LAYOUT_NONE
);
493 lpr
->id
= id_counter
++;
496 insert_at_tail(&resource_list
, lpr
);
508 llvmpipe_resource_get_handle(struct pipe_screen
*screen
,
509 struct pipe_resource
*pt
,
510 struct winsys_handle
*whandle
)
512 struct sw_winsys
*winsys
= llvmpipe_screen(screen
)->winsys
;
513 struct llvmpipe_resource
*lpr
= llvmpipe_resource(pt
);
519 return winsys
->displaytarget_get_handle(winsys
, lpr
->dt
, whandle
);
523 static struct pipe_surface
*
524 llvmpipe_get_tex_surface(struct pipe_screen
*screen
,
525 struct pipe_resource
*pt
,
526 unsigned face
, unsigned level
, unsigned zslice
,
529 struct pipe_surface
*ps
;
531 assert(level
<= pt
->last_level
);
533 ps
= CALLOC_STRUCT(pipe_surface
);
535 pipe_reference_init(&ps
->reference
, 1);
536 pipe_resource_reference(&ps
->texture
, pt
);
537 ps
->format
= pt
->format
;
538 ps
->width
= u_minify(pt
->width0
, level
);
539 ps
->height
= u_minify(pt
->height0
, level
);
551 llvmpipe_tex_surface_destroy(struct pipe_surface
*surf
)
553 /* Effectively do the texture_update work here - if texture images
554 * needed post-processing to put them into hardware layout, this is
555 * where it would happen. For llvmpipe, nothing to do.
557 assert(surf
->texture
);
558 pipe_resource_reference(&surf
->texture
, NULL
);
563 static struct pipe_transfer
*
564 llvmpipe_get_transfer(struct pipe_context
*pipe
,
565 struct pipe_resource
*resource
,
566 struct pipe_subresource sr
,
568 const struct pipe_box
*box
)
570 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
571 struct llvmpipe_resource
*lprex
= llvmpipe_resource(resource
);
572 struct llvmpipe_transfer
*lpr
;
575 assert(sr
.level
<= resource
->last_level
);
578 * Transfers, like other pipe operations, must happen in order, so flush the
579 * context if necessary.
581 if (!(usage
& PIPE_TRANSFER_UNSYNCHRONIZED
)) {
582 boolean read_only
= !(usage
& PIPE_TRANSFER_WRITE
);
583 boolean do_not_block
= !!(usage
& PIPE_TRANSFER_DONTBLOCK
);
584 if (!llvmpipe_flush_resource(pipe
, resource
,
588 TRUE
, /* cpu_access */
592 * It would have blocked, but state tracker requested no to.
594 assert(do_not_block
);
599 if (resource
== llvmpipe
->constants
[PIPE_SHADER_FRAGMENT
][0])
600 llvmpipe
->dirty
|= LP_NEW_CONSTANTS
;
602 lpr
= CALLOC_STRUCT(llvmpipe_transfer
);
604 struct pipe_transfer
*pt
= &lpr
->base
;
605 pipe_resource_reference(&pt
->resource
, resource
);
608 pt
->stride
= lprex
->row_stride
[sr
.level
];
609 pt
->slice_stride
= lprex
->img_stride
[sr
.level
];
619 llvmpipe_transfer_destroy(struct pipe_context
*pipe
,
620 struct pipe_transfer
*transfer
)
622 /* Effectively do the texture_update work here - if texture images
623 * needed post-processing to put them into hardware layout, this is
624 * where it would happen. For llvmpipe, nothing to do.
626 assert (transfer
->resource
);
627 pipe_resource_reference(&transfer
->resource
, NULL
);
633 llvmpipe_transfer_map( struct pipe_context
*pipe
,
634 struct pipe_transfer
*transfer
)
636 struct llvmpipe_screen
*screen
= llvmpipe_screen(pipe
->screen
);
638 struct llvmpipe_resource
*lpr
;
639 enum pipe_format format
;
640 enum lp_texture_usage tex_usage
;
643 assert(transfer
->sr
.face
< 6);
644 assert(transfer
->sr
.level
< LP_MAX_TEXTURE_LEVELS
);
647 printf("tex_transfer_map(%d, %d %d x %d of %d x %d, usage %d )\n",
648 transfer->x, transfer->y, transfer->width, transfer->height,
649 transfer->texture->width0,
650 transfer->texture->height0,
654 if (transfer
->usage
== PIPE_TRANSFER_READ
) {
655 tex_usage
= LP_TEX_USAGE_READ
;
659 tex_usage
= LP_TEX_USAGE_READ_WRITE
;
664 struct llvmpipe_resource
*lpr
= llvmpipe_resource(transfer
->resource
);
665 printf("transfer map tex %u mode %s\n", lpr
->id
, mode
);
669 assert(transfer
->resource
);
670 lpr
= llvmpipe_resource(transfer
->resource
);
671 format
= lpr
->base
.format
;
673 map
= llvmpipe_resource_map(transfer
->resource
,
677 tex_usage
, LP_TEX_LAYOUT_LINEAR
);
680 /* May want to do different things here depending on read/write nature
683 if (transfer
->usage
& PIPE_TRANSFER_WRITE
) {
684 /* Do something to notify sharing contexts of a texture change.
690 transfer
->box
.y
/ util_format_get_blockheight(format
) * transfer
->stride
+
691 transfer
->box
.x
/ util_format_get_blockwidth(format
) * util_format_get_blocksize(format
);
698 llvmpipe_transfer_unmap(struct pipe_context
*pipe
,
699 struct pipe_transfer
*transfer
)
701 assert(transfer
->resource
);
703 llvmpipe_resource_unmap(transfer
->resource
,
710 llvmpipe_is_resource_referenced( struct pipe_context
*pipe
,
711 struct pipe_resource
*presource
,
712 unsigned face
, unsigned level
)
714 struct llvmpipe_context
*llvmpipe
= llvmpipe_context( pipe
);
716 if (presource
->target
== PIPE_BUFFER
)
717 return PIPE_UNREFERENCED
;
719 return lp_setup_is_resource_referenced(llvmpipe
->setup
, presource
);
725 * Create buffer which wraps user-space data.
727 static struct pipe_resource
*
728 llvmpipe_user_buffer_create(struct pipe_screen
*screen
,
733 struct llvmpipe_resource
*buffer
;
735 buffer
= CALLOC_STRUCT(llvmpipe_resource
);
739 pipe_reference_init(&buffer
->base
.reference
, 1);
740 buffer
->base
.screen
= screen
;
741 buffer
->base
.format
= PIPE_FORMAT_R8_UNORM
; /* ?? */
742 buffer
->base
.bind
= bind_flags
;
743 buffer
->base
.usage
= PIPE_USAGE_IMMUTABLE
;
744 buffer
->base
.flags
= 0;
745 buffer
->base
.width0
= bytes
;
746 buffer
->base
.height0
= 1;
747 buffer
->base
.depth0
= 1;
748 buffer
->userBuffer
= TRUE
;
751 return &buffer
->base
;
756 * Compute size (in bytes) need to store a texture image / mipmap level,
757 * for just one cube face or one 3D texture slice
760 tex_image_face_size(const struct llvmpipe_resource
*lpr
, unsigned level
,
761 enum lp_texture_layout layout
)
763 const unsigned width
= u_minify(lpr
->base
.width0
, level
);
764 const unsigned height
= u_minify(lpr
->base
.height0
, level
);
766 assert(layout
== LP_TEX_LAYOUT_TILED
||
767 layout
== LP_TEX_LAYOUT_LINEAR
);
769 if (layout
== LP_TEX_LAYOUT_TILED
) {
770 /* for tiled layout, force a 32bpp format */
771 const enum pipe_format format
= PIPE_FORMAT_B8G8R8A8_UNORM
;
772 const unsigned block_size
= util_format_get_blocksize(format
);
773 const unsigned nblocksy
=
774 util_format_get_nblocksy(format
, align(height
, TILE_SIZE
));
775 const unsigned nblocksx
=
776 util_format_get_nblocksx(format
, align(width
, TILE_SIZE
));
777 const unsigned buffer_size
= block_size
* nblocksy
* nblocksx
;
781 /* we already computed this */
782 return lpr
->img_stride
[level
];
788 * Compute size (in bytes) need to store a texture image / mipmap level,
789 * including all cube faces or 3D image slices
792 tex_image_size(const struct llvmpipe_resource
*lpr
, unsigned level
,
793 enum lp_texture_layout layout
)
795 const unsigned buf_size
= tex_image_face_size(lpr
, level
, layout
);
796 return buf_size
* lpr
->num_slices_faces
[level
];
801 * This function encapsulates some complicated logic for determining
802 * how to convert a tile of image data from linear layout to tiled
803 * layout, or vice versa.
804 * \param cur_layout the current tile layout
805 * \param target_layout the desired tile layout
806 * \param usage how the tile will be accessed (R/W vs. read-only, etc)
807 * \param new_layout_return returns the new layout mode
808 * \param convert_return returns TRUE if image conversion is needed
811 layout_logic(enum lp_texture_layout cur_layout
,
812 enum lp_texture_layout target_layout
,
813 enum lp_texture_usage usage
,
814 enum lp_texture_layout
*new_layout_return
,
817 enum lp_texture_layout other_layout
, new_layout
;
821 new_layout
= 99; /* debug check */
823 if (target_layout
== LP_TEX_LAYOUT_LINEAR
) {
824 other_layout
= LP_TEX_LAYOUT_TILED
;
827 assert(target_layout
== LP_TEX_LAYOUT_TILED
);
828 other_layout
= LP_TEX_LAYOUT_LINEAR
;
831 new_layout
= target_layout
; /* may get changed below */
833 if (cur_layout
== LP_TEX_LAYOUT_BOTH
) {
834 if (usage
== LP_TEX_USAGE_READ
) {
835 new_layout
= LP_TEX_LAYOUT_BOTH
;
838 else if (cur_layout
== other_layout
) {
839 if (usage
!= LP_TEX_USAGE_WRITE_ALL
) {
840 /* need to convert tiled data to linear or vice versa */
843 if (usage
== LP_TEX_USAGE_READ
)
844 new_layout
= LP_TEX_LAYOUT_BOTH
;
848 assert(cur_layout
== LP_TEX_LAYOUT_NONE
||
849 cur_layout
== target_layout
);
852 assert(new_layout
== LP_TEX_LAYOUT_BOTH
||
853 new_layout
== target_layout
);
855 *new_layout_return
= new_layout
;
860 * Return pointer to a 2D texture image/face/slice.
861 * No tiled/linear conversion is done.
864 llvmpipe_get_texture_image_address(struct llvmpipe_resource
*lpr
,
865 unsigned face_slice
, unsigned level
,
866 enum lp_texture_layout layout
)
868 struct llvmpipe_texture_image
*img
;
871 if (layout
== LP_TEX_LAYOUT_LINEAR
) {
872 img
= &lpr
->linear
[level
];
875 assert (layout
== LP_TEX_LAYOUT_TILED
);
876 img
= &lpr
->tiled
[level
];
880 offset
= face_slice
* tex_image_face_size(lpr
, level
, layout
);
884 return (ubyte
*) img
->data
+ offset
;
888 static INLINE
enum lp_texture_layout
889 llvmpipe_get_texture_tile_layout(const struct llvmpipe_resource
*lpr
,
890 unsigned face_slice
, unsigned level
,
891 unsigned x
, unsigned y
)
894 assert(resource_is_texture(&lpr
->base
));
895 assert(x
< lpr
->tiles_per_row
[level
]);
896 i
= face_slice
* lpr
->tiles_per_image
[level
]
897 + y
* lpr
->tiles_per_row
[level
] + x
;
898 return lpr
->layout
[level
][i
];
903 llvmpipe_set_texture_tile_layout(struct llvmpipe_resource
*lpr
,
904 unsigned face_slice
, unsigned level
,
905 unsigned x
, unsigned y
,
906 enum lp_texture_layout layout
)
909 assert(resource_is_texture(&lpr
->base
));
910 assert(x
< lpr
->tiles_per_row
[level
]);
911 i
= face_slice
* lpr
->tiles_per_image
[level
]
912 + y
* lpr
->tiles_per_row
[level
] + x
;
913 lpr
->layout
[level
][i
] = layout
;
918 * Set the layout mode for all tiles in a particular image.
921 llvmpipe_set_texture_image_layout(struct llvmpipe_resource
*lpr
,
922 unsigned face_slice
, unsigned level
,
923 unsigned width_t
, unsigned height_t
,
924 enum lp_texture_layout layout
)
926 const unsigned start
= face_slice
* lpr
->tiles_per_image
[level
];
929 for (i
= 0; i
< width_t
* height_t
; i
++) {
930 lpr
->layout
[level
][start
+ i
] = layout
;
936 * Allocate storage for a linear or tile texture image (all cube
937 * faces and all 3D slices.
940 alloc_image_data(struct llvmpipe_resource
*lpr
, unsigned level
,
941 enum lp_texture_layout layout
)
943 uint alignment
= MAX2(16, util_cpu_caps
.cacheline
);
948 if (layout
== LP_TEX_LAYOUT_TILED
) {
949 /* tiled data is stored in regular memory */
950 uint buffer_size
= tex_image_size(lpr
, level
, layout
);
951 lpr
->tiled
[level
].data
= align_malloc(buffer_size
, alignment
);
954 assert(layout
== LP_TEX_LAYOUT_LINEAR
);
956 /* we get the linear memory from the winsys */
957 struct llvmpipe_screen
*screen
= llvmpipe_screen(lpr
->base
.screen
);
958 struct sw_winsys
*winsys
= screen
->winsys
;
960 lpr
->linear
[0].data
=
961 winsys
->displaytarget_map(winsys
, lpr
->dt
,
962 PIPE_TRANSFER_READ_WRITE
);
965 /* not a display target - allocate regular memory */
966 uint buffer_size
= tex_image_size(lpr
, level
, LP_TEX_LAYOUT_LINEAR
);
967 lpr
->linear
[level
].data
= align_malloc(buffer_size
, alignment
);
975 * Return pointer to texture image data (either linear or tiled layout)
976 * for a particular cube face or 3D texture slice.
978 * \param face_slice the cube face or 3D slice of interest
979 * \param usage one of LP_TEX_USAGE_READ/WRITE_ALL/READ_WRITE
980 * \param layout either LP_TEX_LAYOUT_LINEAR or _TILED or _NONE
983 llvmpipe_get_texture_image(struct llvmpipe_resource
*lpr
,
984 unsigned face_slice
, unsigned level
,
985 enum lp_texture_usage usage
,
986 enum lp_texture_layout layout
)
989 * 'target' refers to the image which we're retrieving (either in
990 * tiled or linear layout).
991 * 'other' refers to the same image but in the other layout. (it may
994 struct llvmpipe_texture_image
*target_img
;
995 struct llvmpipe_texture_image
*other_img
;
998 const unsigned width
= u_minify(lpr
->base
.width0
, level
);
999 const unsigned height
= u_minify(lpr
->base
.height0
, level
);
1000 const unsigned width_t
= align(width
, TILE_SIZE
) / TILE_SIZE
;
1001 const unsigned height_t
= align(height
, TILE_SIZE
) / TILE_SIZE
;
1002 enum lp_texture_layout other_layout
;
1003 boolean only_allocate
;
1005 assert(layout
== LP_TEX_LAYOUT_NONE
||
1006 layout
== LP_TEX_LAYOUT_TILED
||
1007 layout
== LP_TEX_LAYOUT_LINEAR
);
1009 assert(usage
== LP_TEX_USAGE_READ
||
1010 usage
== LP_TEX_USAGE_READ_WRITE
||
1011 usage
== LP_TEX_USAGE_WRITE_ALL
);
1013 /* check for the special case of layout == LP_TEX_LAYOUT_NONE */
1014 if (layout
== LP_TEX_LAYOUT_NONE
) {
1015 only_allocate
= TRUE
;
1016 layout
= LP_TEX_LAYOUT_TILED
;
1019 only_allocate
= FALSE
;
1023 assert(lpr
->linear
[level
].data
);
1026 /* which is target? which is other? */
1027 if (layout
== LP_TEX_LAYOUT_LINEAR
) {
1028 target_img
= &lpr
->linear
[level
];
1029 other_img
= &lpr
->tiled
[level
];
1030 other_layout
= LP_TEX_LAYOUT_TILED
;
1033 target_img
= &lpr
->tiled
[level
];
1034 other_img
= &lpr
->linear
[level
];
1035 other_layout
= LP_TEX_LAYOUT_LINEAR
;
1038 target_data
= target_img
->data
;
1039 other_data
= other_img
->data
;
1042 /* allocate memory for the target image now */
1043 alloc_image_data(lpr
, level
, layout
);
1044 target_data
= target_img
->data
;
1047 if (face_slice
> 0) {
1048 unsigned target_offset
, other_offset
;
1050 target_offset
= face_slice
* tex_image_face_size(lpr
, level
, layout
);
1051 other_offset
= face_slice
* tex_image_face_size(lpr
, level
, other_layout
);
1053 target_data
= (uint8_t *) target_data
+ target_offset
;
1056 other_data
= (uint8_t *) other_data
+ other_offset
;
1060 if (only_allocate
) {
1061 /* Just allocating tiled memory. Don't initialize it from the
1062 * linear data if it exists.
1068 /* may need to convert other data to the requested layout */
1069 enum lp_texture_layout new_layout
;
1072 /* loop over all image tiles, doing layout conversion where needed */
1073 for (y
= 0; y
< height_t
; y
++) {
1074 for (x
= 0; x
< width_t
; x
++) {
1075 enum lp_texture_layout cur_layout
=
1076 llvmpipe_get_texture_tile_layout(lpr
, face_slice
, level
, x
, y
);
1079 layout_logic(cur_layout
, layout
, usage
, &new_layout
, &convert
);
1081 if (convert
&& other_data
&& target_data
) {
1082 if (layout
== LP_TEX_LAYOUT_TILED
) {
1083 lp_linear_to_tiled(other_data
, target_data
,
1084 x
* TILE_SIZE
, y
* TILE_SIZE
,
1085 TILE_SIZE
, TILE_SIZE
,
1087 lpr
->row_stride
[level
],
1088 lpr
->tiles_per_row
[level
]);
1091 assert(layout
== LP_TEX_LAYOUT_LINEAR
);
1092 lp_tiled_to_linear(other_data
, target_data
,
1093 x
* TILE_SIZE
, y
* TILE_SIZE
,
1094 TILE_SIZE
, TILE_SIZE
,
1096 lpr
->row_stride
[level
],
1097 lpr
->tiles_per_row
[level
]);
1101 if (new_layout
!= cur_layout
)
1102 llvmpipe_set_texture_tile_layout(lpr
, face_slice
, level
, x
, y
,
1109 llvmpipe_set_texture_image_layout(lpr
, face_slice
, level
,
1110 width_t
, height_t
, layout
);
1118 * Return pointer to start of a texture image (1D, 2D, 3D, CUBE).
1119 * All cube faces and 3D slices will be converted to the requested
1121 * This is typically used when we're about to sample from a texture.
1124 llvmpipe_get_texture_image_all(struct llvmpipe_resource
*lpr
,
1126 enum lp_texture_usage usage
,
1127 enum lp_texture_layout layout
)
1129 const int slices
= lpr
->num_slices_faces
[level
];
1135 for (slice
= slices
- 1; slice
>= 0; slice
--) {
1136 map
= llvmpipe_get_texture_image(lpr
, slice
, level
, usage
, layout
);
1144 * Get pointer to a linear image (not the tile!) where the tile at (x,y)
1145 * is known to be in linear layout.
1146 * Conversion from tiled to linear will be done if necessary.
1147 * \return pointer to start of image/face (not the tile)
1150 llvmpipe_get_texture_tile_linear(struct llvmpipe_resource
*lpr
,
1151 unsigned face_slice
, unsigned level
,
1152 enum lp_texture_usage usage
,
1153 unsigned x
, unsigned y
)
1155 struct llvmpipe_texture_image
*linear_img
= &lpr
->linear
[level
];
1156 enum lp_texture_layout cur_layout
, new_layout
;
1157 const unsigned tx
= x
/ TILE_SIZE
, ty
= y
/ TILE_SIZE
;
1159 uint8_t *tiled_image
, *linear_image
;
1161 assert(resource_is_texture(&lpr
->base
));
1162 assert(x
% TILE_SIZE
== 0);
1163 assert(y
% TILE_SIZE
== 0);
1165 if (!linear_img
->data
) {
1166 /* allocate memory for the linear image now */
1167 alloc_image_data(lpr
, level
, LP_TEX_LAYOUT_LINEAR
);
1170 /* compute address of the slice/face of the image that contains the tile */
1171 tiled_image
= llvmpipe_get_texture_image_address(lpr
, face_slice
, level
,
1172 LP_TEX_LAYOUT_TILED
);
1173 linear_image
= llvmpipe_get_texture_image_address(lpr
, face_slice
, level
,
1174 LP_TEX_LAYOUT_LINEAR
);
1176 /* get current tile layout and determine if data conversion is needed */
1177 cur_layout
= llvmpipe_get_texture_tile_layout(lpr
, face_slice
, level
, tx
, ty
);
1179 layout_logic(cur_layout
, LP_TEX_LAYOUT_LINEAR
, usage
,
1180 &new_layout
, &convert
);
1182 if (convert
&& tiled_image
&& linear_image
) {
1183 lp_tiled_to_linear(tiled_image
, linear_image
,
1184 x
, y
, TILE_SIZE
, TILE_SIZE
, lpr
->base
.format
,
1185 lpr
->row_stride
[level
],
1186 lpr
->tiles_per_row
[level
]);
1189 if (new_layout
!= cur_layout
)
1190 llvmpipe_set_texture_tile_layout(lpr
, face_slice
, level
, tx
, ty
, new_layout
);
1192 return linear_image
;
1197 * Get pointer to tiled data for rendering.
1198 * \return pointer to the tiled data at the given tile position
1201 llvmpipe_get_texture_tile(struct llvmpipe_resource
*lpr
,
1202 unsigned face_slice
, unsigned level
,
1203 enum lp_texture_usage usage
,
1204 unsigned x
, unsigned y
)
1206 struct llvmpipe_texture_image
*tiled_img
= &lpr
->tiled
[level
];
1207 enum lp_texture_layout cur_layout
, new_layout
;
1208 const unsigned tx
= x
/ TILE_SIZE
, ty
= y
/ TILE_SIZE
;
1210 uint8_t *tiled_image
, *linear_image
;
1211 unsigned tile_offset
;
1213 assert(x
% TILE_SIZE
== 0);
1214 assert(y
% TILE_SIZE
== 0);
1216 if (!tiled_img
->data
) {
1217 /* allocate memory for the tiled image now */
1218 alloc_image_data(lpr
, level
, LP_TEX_LAYOUT_TILED
);
1221 /* compute address of the slice/face of the image that contains the tile */
1222 tiled_image
= llvmpipe_get_texture_image_address(lpr
, face_slice
, level
,
1223 LP_TEX_LAYOUT_TILED
);
1224 linear_image
= llvmpipe_get_texture_image_address(lpr
, face_slice
, level
,
1225 LP_TEX_LAYOUT_LINEAR
);
1227 /* get current tile layout and see if we need to convert the data */
1228 cur_layout
= llvmpipe_get_texture_tile_layout(lpr
, face_slice
, level
, tx
, ty
);
1230 layout_logic(cur_layout
, LP_TEX_LAYOUT_TILED
, usage
, &new_layout
, &convert
);
1231 if (convert
&& linear_image
&& tiled_image
) {
1232 lp_linear_to_tiled(linear_image
, tiled_image
,
1233 x
, y
, TILE_SIZE
, TILE_SIZE
, lpr
->base
.format
,
1234 lpr
->row_stride
[level
],
1235 lpr
->tiles_per_row
[level
]);
1241 if (new_layout
!= cur_layout
)
1242 llvmpipe_set_texture_tile_layout(lpr
, face_slice
, level
, tx
, ty
, new_layout
);
1244 /* compute, return address of the 64x64 tile */
1245 tile_offset
= (ty
* lpr
->tiles_per_row
[level
] + tx
)
1246 * TILE_SIZE
* TILE_SIZE
* 4;
1248 return (ubyte
*) tiled_image
+ tile_offset
;
1253 * Get pointer to tiled data for rendering.
1254 * \return pointer to the tiled data at the given tile position
1257 llvmpipe_unswizzle_cbuf_tile(struct llvmpipe_resource
*lpr
,
1258 unsigned face_slice
, unsigned level
,
1259 unsigned x
, unsigned y
,
1262 struct llvmpipe_texture_image
*linear_img
= &lpr
->linear
[level
];
1263 const unsigned tx
= x
/ TILE_SIZE
, ty
= y
/ TILE_SIZE
;
1264 uint8_t *linear_image
;
1266 assert(x
% TILE_SIZE
== 0);
1267 assert(y
% TILE_SIZE
== 0);
1269 if (!linear_img
->data
) {
1270 /* allocate memory for the linear image now */
1271 alloc_image_data(lpr
, level
, LP_TEX_LAYOUT_LINEAR
);
1274 /* compute address of the slice/face of the image that contains the tile */
1275 linear_image
= llvmpipe_get_texture_image_address(lpr
, face_slice
, level
,
1276 LP_TEX_LAYOUT_LINEAR
);
1279 uint ii
= x
, jj
= y
;
1280 uint tile_offset
= jj
/ TILE_SIZE
+ ii
/ TILE_SIZE
;
1281 uint byte_offset
= tile_offset
* TILE_SIZE
* TILE_SIZE
* 4;
1283 /* Note that lp_tiled_to_linear expects the tile parameter to
1284 * point at the first tile in a whole-image sized array. In
1285 * this code, we have only a single tile and have to do some
1286 * pointer arithmetic to figure out where the "image" would have
1289 lp_tiled_to_linear(tile
- byte_offset
, linear_image
,
1290 x
, y
, TILE_SIZE
, TILE_SIZE
,
1292 lpr
->row_stride
[level
],
1293 1); /* tiles per row */
1296 llvmpipe_set_texture_tile_layout(lpr
, face_slice
, level
, tx
, ty
,
1297 LP_TEX_LAYOUT_LINEAR
);
1302 * Get pointer to tiled data for rendering.
1303 * \return pointer to the tiled data at the given tile position
1306 llvmpipe_swizzle_cbuf_tile(struct llvmpipe_resource
*lpr
,
1307 unsigned face_slice
, unsigned level
,
1308 unsigned x
, unsigned y
,
1311 uint8_t *linear_image
;
1313 assert(x
% TILE_SIZE
== 0);
1314 assert(y
% TILE_SIZE
== 0);
1316 /* compute address of the slice/face of the image that contains the tile */
1317 linear_image
= llvmpipe_get_texture_image_address(lpr
, face_slice
, level
,
1318 LP_TEX_LAYOUT_LINEAR
);
1321 uint ii
= x
, jj
= y
;
1322 uint tile_offset
= jj
/ TILE_SIZE
+ ii
/ TILE_SIZE
;
1323 uint byte_offset
= tile_offset
* TILE_SIZE
* TILE_SIZE
* 4;
1325 /* Note that lp_linear_to_tiled expects the tile parameter to
1326 * point at the first tile in a whole-image sized array. In
1327 * this code, we have only a single tile and have to do some
1328 * pointer arithmetic to figure out where the "image" would have
1331 lp_linear_to_tiled(linear_image
, tile
- byte_offset
,
1332 x
, y
, TILE_SIZE
, TILE_SIZE
,
1334 lpr
->row_stride
[level
],
1335 1); /* tiles per row */
1341 * Return size of resource in bytes
1344 llvmpipe_resource_size(const struct pipe_resource
*resource
)
1346 const struct llvmpipe_resource
*lpr
= llvmpipe_resource_const(resource
);
1347 unsigned lvl
, size
= 0;
1349 for (lvl
= 0; lvl
<= lpr
->base
.last_level
; lvl
++) {
1350 if (lpr
->linear
[lvl
].data
)
1351 size
+= tex_image_size(lpr
, lvl
, LP_TEX_LAYOUT_LINEAR
);
1353 if (lpr
->tiled
[lvl
].data
)
1354 size
+= tex_image_size(lpr
, lvl
, LP_TEX_LAYOUT_TILED
);
1363 llvmpipe_print_resources(void)
1365 struct llvmpipe_resource
*lpr
;
1366 unsigned n
= 0, total
= 0;
1368 debug_printf("LLVMPIPE: current resources:\n");
1369 foreach(lpr
, &resource_list
) {
1370 unsigned size
= llvmpipe_resource_size(&lpr
->base
);
1371 debug_printf("resource %u at %p, size %ux%ux%u: %u bytes, refcount %u\n",
1372 lpr
->id
, (void *) lpr
,
1373 lpr
->base
.width0
, lpr
->base
.height0
, lpr
->base
.depth0
,
1374 size
, lpr
->base
.reference
.count
);
1378 debug_printf("LLVMPIPE: total size of %u resources: %u\n", n
, total
);
1384 llvmpipe_init_screen_resource_funcs(struct pipe_screen
*screen
)
1387 /* init linked list for tracking resources */
1389 static boolean first_call
= TRUE
;
1391 memset(&resource_list
, 0, sizeof(resource_list
));
1392 make_empty_list(&resource_list
);
1398 screen
->resource_create
= llvmpipe_resource_create
;
1399 screen
->resource_destroy
= llvmpipe_resource_destroy
;
1400 screen
->resource_from_handle
= llvmpipe_resource_from_handle
;
1401 screen
->resource_get_handle
= llvmpipe_resource_get_handle
;
1402 screen
->user_buffer_create
= llvmpipe_user_buffer_create
;
1404 screen
->get_tex_surface
= llvmpipe_get_tex_surface
;
1405 screen
->tex_surface_destroy
= llvmpipe_tex_surface_destroy
;
1410 llvmpipe_init_context_resource_funcs(struct pipe_context
*pipe
)
1412 pipe
->get_transfer
= llvmpipe_get_transfer
;
1413 pipe
->transfer_destroy
= llvmpipe_transfer_destroy
;
1414 pipe
->transfer_map
= llvmpipe_transfer_map
;
1415 pipe
->transfer_unmap
= llvmpipe_transfer_unmap
;
1416 pipe
->is_resource_referenced
= llvmpipe_is_resource_referenced
;
1418 pipe
->transfer_flush_region
= u_default_transfer_flush_region
;
1419 pipe
->transfer_inline_write
= u_default_transfer_inline_write
;