util: Blit can now copy from texture to surface
[mesa.git] / src / gallium / auxiliary / util / u_blit.h
1 /**************************************************************************
2 *
3 * Copyright 2008 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
29 #ifndef U_BLIT_H
30 #define U_BLIT_H
31
32
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36
37
38 struct pipe_context;
39 struct pipe_surface;
40 struct cso_context;
41
42
43 struct blit_state;
44
45
46 extern struct blit_state *
47 util_create_blit(struct pipe_context *pipe, struct cso_context *cso);
48
49 extern void
50 util_destroy_blit(struct blit_state *ctx);
51
52 extern void
53 util_blit_pixels(struct blit_state *ctx,
54 struct pipe_surface *src,
55 int srcX0, int srcY0,
56 int srcX1, int srcY1,
57 struct pipe_surface *dst,
58 int dstX0, int dstY0,
59 int dstX1, int dstY1,
60 float z, uint filter);
61
62 extern void
63 util_blit_pixels_tex(struct blit_state *ctx,
64 struct pipe_texture *tex,
65 int srcX0, int srcY0,
66 int srcX1, int srcY1,
67 struct pipe_surface *dst,
68 int dstX0, int dstY0,
69 int dstX1, int dstY1,
70 float z, uint filter);
71
72
73 #ifdef __cplusplus
74 }
75 #endif
76
77 #endif