1 /**************************************************************************
3 * Copyright 2007 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 **************************************************************************/
28 #include "util/u_rect.h"
29 #include "util/u_surface.h"
30 #include "lp_context.h"
32 #include "lp_limits.h"
33 #include "lp_surface.h"
34 #include "lp_texture.h"
38 * Adjust x, y, width, height to lie on tile bounds.
41 adjust_to_tile_bounds(unsigned x
, unsigned y
, unsigned width
, unsigned height
,
42 unsigned *x_tile
, unsigned *y_tile
,
43 unsigned *w_tile
, unsigned *h_tile
)
45 *x_tile
= x
& ~(TILE_SIZE
- 1);
46 *y_tile
= y
& ~(TILE_SIZE
- 1);
47 *w_tile
= ((x
+ width
+ TILE_SIZE
- 1) & ~(TILE_SIZE
- 1)) - *x_tile
;
48 *h_tile
= ((y
+ height
+ TILE_SIZE
- 1) & ~(TILE_SIZE
- 1)) - *y_tile
;
54 lp_resource_copy(struct pipe_context
*pipe
,
55 struct pipe_resource
*dst
, struct pipe_subresource subdst
,
56 unsigned dstx
, unsigned dsty
, unsigned dstz
,
57 struct pipe_resource
*src
, struct pipe_subresource subsrc
,
58 unsigned srcx
, unsigned srcy
, unsigned srcz
,
59 unsigned width
, unsigned height
)
61 /* XXX what about the dstz/srcz parameters - zslice wasn't used... */
62 struct llvmpipe_resource
*src_tex
= llvmpipe_resource(src
);
63 struct llvmpipe_resource
*dst_tex
= llvmpipe_resource(dst
);
64 const enum pipe_format format
= src_tex
->base
.format
;
66 llvmpipe_flush_resource(pipe
,
67 dst
, subdst
.face
, subdst
.level
,
69 FALSE
, /* read_only */
70 TRUE
, /* cpu_access */
71 FALSE
); /* do_not_block */
73 llvmpipe_flush_resource(pipe
,
74 src
, subsrc
.face
, subsrc
.level
,
77 TRUE
, /* cpu_access */
78 FALSE
); /* do_not_block */
81 printf("surface copy from %u to %u: %u,%u to %u,%u %u x %u\n",
82 src_tex->id, dst_tex->id,
83 srcx, srcy, dstx, dsty, width, height);
86 /* set src tiles to linear layout */
88 unsigned tx
, ty
, tw
, th
;
91 adjust_to_tile_bounds(srcx
, srcy
, width
, height
, &tx
, &ty
, &tw
, &th
);
93 for (y
= 0; y
< th
; y
+= TILE_SIZE
) {
94 for (x
= 0; x
< tw
; x
+= TILE_SIZE
) {
95 (void) llvmpipe_get_texture_tile_linear(src_tex
,
96 subsrc
.face
, subsrc
.level
,
103 /* set dst tiles to linear layout */
105 unsigned tx
, ty
, tw
, th
;
107 enum lp_texture_usage usage
;
109 adjust_to_tile_bounds(dstx
, dsty
, width
, height
, &tx
, &ty
, &tw
, &th
);
111 for (y
= 0; y
< th
; y
+= TILE_SIZE
) {
112 boolean contained_y
= ty
+ y
>= dsty
&&
113 ty
+ y
+ TILE_SIZE
<= dsty
+ height
?
116 for (x
= 0; x
< tw
; x
+= TILE_SIZE
) {
117 boolean contained_x
= tx
+ x
>= dstx
&&
118 tx
+ x
+ TILE_SIZE
<= dstx
+ width
?
122 * Set the usage mode to WRITE_ALL for the tiles which are
123 * completely contained by the dest rectangle.
125 if (contained_y
&& contained_x
)
126 usage
= LP_TEX_USAGE_WRITE_ALL
;
128 usage
= LP_TEX_USAGE_READ_WRITE
;
130 (void) llvmpipe_get_texture_tile_linear(dst_tex
,
131 subdst
.face
, subdst
.level
,
140 const ubyte
*src_linear_ptr
141 = llvmpipe_get_texture_image_address(src_tex
, subsrc
.face
,
143 LP_TEX_LAYOUT_LINEAR
);
144 ubyte
*dst_linear_ptr
145 = llvmpipe_get_texture_image_address(dst_tex
, subdst
.face
,
147 LP_TEX_LAYOUT_LINEAR
);
149 if (dst_linear_ptr
&& src_linear_ptr
) {
150 util_copy_rect(dst_linear_ptr
, format
,
151 llvmpipe_resource_stride(&dst_tex
->base
, subdst
.level
),
155 llvmpipe_resource_stride(&src_tex
->base
, subsrc
.level
),
163 llvmpipe_init_surface_functions(struct llvmpipe_context
*lp
)
165 lp
->pipe
.resource_copy_region
= lp_resource_copy
;
166 lp
->pipe
.clear_render_target
= util_clear_render_target
;
167 lp
->pipe
.clear_depth_stencil
= util_clear_depth_stencil
;