Merge branch 'mesa_7_7_branch'
[mesa.git] / src / gallium / drivers / i915 / i915_surface.c
1 /**************************************************************************
2 *
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
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:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
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.
25 *
26 **************************************************************************/
27
28 #include "i915_context.h"
29 #include "i915_blit.h"
30 #include "i915_state.h"
31 #include "pipe/p_defines.h"
32 #include "pipe/p_inlines.h"
33 #include "pipe/p_inlines.h"
34 #include "pipe/internal/p_winsys_screen.h"
35 #include "util/u_format.h"
36 #include "util/u_tile.h"
37 #include "util/u_rect.h"
38
39
40 /* Assumes all values are within bounds -- no checking at this level -
41 * do it higher up if required.
42 */
43 static void
44 i915_surface_copy(struct pipe_context *pipe,
45 struct pipe_surface *dst,
46 unsigned dstx, unsigned dsty,
47 struct pipe_surface *src,
48 unsigned srcx, unsigned srcy, unsigned width, unsigned height)
49 {
50 struct i915_texture *dst_tex = (struct i915_texture *)dst->texture;
51 struct i915_texture *src_tex = (struct i915_texture *)src->texture;
52 struct pipe_texture *dpt = &dst_tex->base;
53 struct pipe_texture *spt = &src_tex->base;
54
55 assert( dst != src );
56 assert( util_format_get_blocksize(dpt->format) == util_format_get_blocksize(spt->format) );
57 assert( util_format_get_blockwidth(dpt->format) == util_format_get_blockwidth(spt->format) );
58 assert( util_format_get_blockheight(dpt->format) == util_format_get_blockheight(spt->format) );
59 assert( util_format_get_blockwidth(dpt->format) == 1 );
60 assert( util_format_get_blockheight(dpt->format) == 1 );
61
62 i915_copy_blit( i915_context(pipe),
63 FALSE,
64 util_format_get_blocksize(dpt->format),
65 (unsigned short) src_tex->stride, src_tex->buffer, src->offset,
66 (unsigned short) dst_tex->stride, dst_tex->buffer, dst->offset,
67 (short) srcx, (short) srcy, (short) dstx, (short) dsty, (short) width, (short) height );
68 }
69
70
71 static void
72 i915_surface_fill(struct pipe_context *pipe,
73 struct pipe_surface *dst,
74 unsigned dstx, unsigned dsty,
75 unsigned width, unsigned height, unsigned value)
76 {
77 struct i915_texture *tex = (struct i915_texture *)dst->texture;
78 struct pipe_texture *pt = &tex->base;
79
80 assert(util_format_get_blockwidth(pt->format) == 1);
81 assert(util_format_get_blockheight(pt->format) == 1);
82
83 i915_fill_blit( i915_context(pipe),
84 util_format_get_blocksize(pt->format),
85 (unsigned short) tex->stride,
86 tex->buffer, dst->offset,
87 (short) dstx, (short) dsty,
88 (short) width, (short) height,
89 value );
90 }
91
92
93 void
94 i915_init_surface_functions(struct i915_context *i915)
95 {
96 i915->base.surface_copy = i915_surface_copy;
97 i915->base.surface_fill = i915_surface_fill;
98 }