Merge branch 'mesa_7_6_branch' into 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_tile.h"
36 #include "util/u_rect.h"
37
38
39 /* Assumes all values are within bounds -- no checking at this level -
40 * do it higher up if required.
41 */
42 static void
43 i915_surface_copy(struct pipe_context *pipe,
44 struct pipe_surface *dst,
45 unsigned dstx, unsigned dsty,
46 struct pipe_surface *src,
47 unsigned srcx, unsigned srcy, unsigned width, unsigned height)
48 {
49 struct i915_texture *dst_tex = (struct i915_texture *)dst->texture;
50 struct i915_texture *src_tex = (struct i915_texture *)src->texture;
51
52 assert( dst != src );
53 assert( dst_tex->base.block.size == src_tex->base.block.size );
54 assert( dst_tex->base.block.width == src_tex->base.block.height );
55 assert( dst_tex->base.block.height == src_tex->base.block.height );
56 assert( dst_tex->base.block.width == 1 );
57 assert( dst_tex->base.block.height == 1 );
58
59 i915_copy_blit( i915_context(pipe),
60 FALSE,
61 dst_tex->base.block.size,
62 (unsigned short) src_tex->stride, src_tex->buffer, src->offset,
63 (unsigned short) dst_tex->stride, dst_tex->buffer, dst->offset,
64 (short) srcx, (short) srcy, (short) dstx, (short) dsty, (short) width, (short) height );
65 }
66
67
68 static void
69 i915_surface_fill(struct pipe_context *pipe,
70 struct pipe_surface *dst,
71 unsigned dstx, unsigned dsty,
72 unsigned width, unsigned height, unsigned value)
73 {
74 struct i915_texture *tex = (struct i915_texture *)dst->texture;
75
76 assert(tex->base.block.width == 1);
77 assert(tex->base.block.height == 1);
78
79 i915_fill_blit( i915_context(pipe),
80 tex->base.block.size,
81 (unsigned short) tex->stride,
82 tex->buffer, dst->offset,
83 (short) dstx, (short) dsty,
84 (short) width, (short) height,
85 value );
86 }
87
88
89 void
90 i915_init_surface_functions(struct i915_context *i915)
91 {
92 i915->base.surface_copy = i915_surface_copy;
93 i915->base.surface_fill = i915_surface_fill;
94 }