1 /**************************************************************************
3 * Copyright 2003 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 "i915_context.h"
29 #include "i915_blit.h"
30 #include "pipe/p_defines.h"
31 #include "pipe/p_inlines.h"
32 #include "pipe/internal/p_winsys_screen.h"
33 #include "util/u_format.h"
36 /* Assumes all values are within bounds -- no checking at this level -
37 * do it higher up if required.
40 i915_surface_copy(struct pipe_context
*pipe
,
41 struct pipe_surface
*dst
,
42 unsigned dstx
, unsigned dsty
,
43 struct pipe_surface
*src
,
44 unsigned srcx
, unsigned srcy
, unsigned width
, unsigned height
)
46 struct i915_texture
*dst_tex
= (struct i915_texture
*)dst
->texture
;
47 struct i915_texture
*src_tex
= (struct i915_texture
*)src
->texture
;
48 struct pipe_texture
*dpt
= &dst_tex
->base
;
49 struct pipe_texture
*spt
= &src_tex
->base
;
52 assert( util_format_get_blocksize(dpt
->format
) == util_format_get_blocksize(spt
->format
) );
53 assert( util_format_get_blockwidth(dpt
->format
) == util_format_get_blockwidth(spt
->format
) );
54 assert( util_format_get_blockheight(dpt
->format
) == util_format_get_blockheight(spt
->format
) );
55 assert( util_format_get_blockwidth(dpt
->format
) == 1 );
56 assert( util_format_get_blockheight(dpt
->format
) == 1 );
58 i915_copy_blit( i915_context(pipe
),
60 util_format_get_blocksize(dpt
->format
),
61 (unsigned short) src_tex
->stride
, src_tex
->buffer
, src
->offset
,
62 (unsigned short) dst_tex
->stride
, dst_tex
->buffer
, dst
->offset
,
63 (short) srcx
, (short) srcy
, (short) dstx
, (short) dsty
, (short) width
, (short) height
);
68 i915_surface_fill(struct pipe_context
*pipe
,
69 struct pipe_surface
*dst
,
70 unsigned dstx
, unsigned dsty
,
71 unsigned width
, unsigned height
, unsigned value
)
73 struct i915_texture
*tex
= (struct i915_texture
*)dst
->texture
;
74 struct pipe_texture
*pt
= &tex
->base
;
76 assert(util_format_get_blockwidth(pt
->format
) == 1);
77 assert(util_format_get_blockheight(pt
->format
) == 1);
79 i915_fill_blit( i915_context(pipe
),
80 util_format_get_blocksize(pt
->format
),
81 (unsigned short) tex
->stride
,
82 tex
->buffer
, dst
->offset
,
83 (short) dstx
, (short) dsty
,
84 (short) width
, (short) height
,
90 i915_init_surface_functions(struct i915_context
*i915
)
92 i915
->base
.surface_copy
= i915_surface_copy
;
93 i915
->base
.surface_fill
= i915_surface_fill
;