1 /*
2  * Mesa 3-D graphics library
3  *
4  * Copyright 2012 Intel Corporation
5  * Copyright 2013 Google
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the
9  * "Software"), to deal in the Software without restriction, including
10  * without limitation the rights to use, copy, modify, merge, publish,
11  * distribute, sublicense, and/or sell copies of the Software, and to
12  * permit persons to whom the Software is furnished to do so, subject to
13  * the following conditions:
14  *
15  * The above copyright notice and this permission notice (including the
16  * next paragraph) shall be included in all copies or substantial portions
17  * of the Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26  *
27  * Authors:
28  *    Chad Versace <chad.versace@linux.intel.com>
29  *    Frank Henigman <fjhenigman@google.com>
30  */
31 
32 #ifndef INTEL_TILED_MEMCPY_H
33 #define INTEL_TILED_MEMCPY_H
34 
35 #include <stdint.h>
36 #include "main/mtypes.h"
37 
38 typedef void *(*mem_copy_fn)(void *dest, const void *src, size_t n);
39 
40 void
41 linear_to_tiled(uint32_t xt1, uint32_t xt2,
42                 uint32_t yt1, uint32_t yt2,
43                 char *dst, const char *src,
44                 uint32_t dst_pitch, int32_t src_pitch,
45                 bool has_swizzling,
46                 enum isl_tiling tiling,
47                 mem_copy_fn mem_copy);
48 
49 void
50 tiled_to_linear(uint32_t xt1, uint32_t xt2,
51                 uint32_t yt1, uint32_t yt2,
52                 char *dst, const char *src,
53                 int32_t dst_pitch, uint32_t src_pitch,
54                 bool has_swizzling,
55                 enum isl_tiling tiling,
56                 mem_copy_fn mem_copy);
57 
58 bool intel_get_memcpy(mesa_format tiledFormat, GLenum format,
59                       GLenum type, mem_copy_fn *mem_copy, uint32_t *cpp);
60 
61 #endif /* INTEL_TILED_MEMCPY */
62