u_blit.h revision 5ba15d8d38d98cb7b625fa55e7d818ef9c6629ce 
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#include "pipe/p_compiler.h"
34/* for TGSI_WRITEMASK_* specification in util_blit_pixels */
35#include "pipe/p_shader_tokens.h"
36
37
38#ifdef __cplusplus
39extern "C" {
40#endif
41
42
43struct cso_context;
44struct pipe_context;
45struct pipe_resource;
46struct pipe_sampler_view;
47struct pipe_surface;
48
49#define BLIT_WRITEMASK_Z         1
50#define BLIT_WRITEMASK_STENCIL   2
51
52extern struct blit_state *
53util_create_blit(struct pipe_context *pipe, struct cso_context *cso);
54
55extern void
56util_destroy_blit(struct blit_state *ctx);
57
58extern void
59util_blit_pixels(struct blit_state *ctx,
60                 struct pipe_resource *src_tex,
61                 unsigned src_level,
62                 int srcX0, int srcY0,
63                 int srcX1, int srcY1,
64                 int srcZ0,
65                 struct pipe_surface *dst,
66                 int dstX0, int dstY0,
67                 int dstX1, int dstY1,
68                 float z, uint filter,
69                 uint writemask, uint zs_writemask);
70
71extern void
72util_blit_pixels_tex(struct blit_state *ctx,
73                     struct pipe_sampler_view *src_sampler_view,
74                     int srcX0, int srcY0,
75                     int srcX1, int srcY1,
76                     struct pipe_surface *dst,
77                     int dstX0, int dstY0,
78                     int dstX1, int dstY1,
79                     float z, uint filter);
80
81#ifdef __cplusplus
82}
83#endif
84
85#endif
86