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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_GFX_BUFFER_TYPES_H_ | 5 #ifndef UI_GFX_BUFFER_TYPES_H_ |
6 #define UI_GFX_BUFFER_TYPES_H_ | 6 #define UI_GFX_BUFFER_TYPES_H_ |
7 | 7 |
8 #if defined(USE_OZONE) | |
9 #include "base/file_descriptor_posix.h" | |
10 #endif | |
11 | |
8 namespace gfx { | 12 namespace gfx { |
9 | 13 |
10 // The format needs to be taken into account when mapping a buffer into the | 14 // The format needs to be taken into account when mapping a buffer into the |
11 // client's address space. | 15 // client's address space. |
12 enum class BufferFormat { | 16 enum class BufferFormat { |
13 ATC, | 17 ATC, |
14 ATCIA, | 18 ATCIA, |
15 DXT1, | 19 DXT1, |
16 DXT5, | 20 DXT5, |
17 ETC1, | 21 ETC1, |
18 R_8, | 22 R_8, |
19 RGBA_4444, | 23 RGBA_4444, |
20 RGBA_8888, | 24 RGBA_8888, |
21 RGBX_8888, | 25 RGBX_8888, |
22 BGRA_8888, | 26 BGRA_8888, |
23 YUV_420, | 27 YUV_420, |
24 | 28 |
25 LAST = YUV_420 | 29 LAST = YUV_420 |
26 }; | 30 }; |
27 | 31 |
28 // The usage mode affects how a buffer can be used. Only buffers created with | 32 // The usage mode affects how a buffer can be used. Only buffers created with |
29 // MAP can be mapped into the client's address space and accessed by the CPU. | 33 // MAP can be mapped into the client's address space and accessed by the CPU. |
30 // PERSISTENT_MAP adds the additional condition that successive Map() calls | 34 // PERSISTENT_MAP adds the additional condition that successive Map() calls |
31 // (with Unmap() calls between) will return a pointer to the same memory | 35 // (with Unmap() calls between) will return a pointer to the same memory |
32 // contents. | 36 // contents. |
33 enum class BufferUsage { MAP, PERSISTENT_MAP, SCANOUT, LAST = SCANOUT }; | 37 enum class BufferUsage { MAP, PERSISTENT_MAP, SCANOUT, LAST = SCANOUT }; |
34 | 38 |
39 #if defined(USE_OZONE) | |
40 struct NativePixmapHandle { | |
reveman
2015/08/05 04:18:00
Can you move this out of this otherwise platform i
spang
2015/08/05 13:26:15
If it is embedded in GpuMemoryBufferHandle, it can
reveman
2015/08/05 13:58:52
Acknowledged.
| |
41 // A file descriptor for the underlying memory object (usually dmabuf). | |
42 base::FileDescriptor fd; | |
43 | |
44 // The stride to used when accessing the buffer via a memory mapping. | |
45 int32_t stride = 0; | |
46 }; | |
47 #endif | |
48 | |
35 } // namespace gfx | 49 } // namespace gfx |
36 | 50 |
37 #endif // UI_GFX_BUFFER_TYPES_H_ | 51 #endif // UI_GFX_BUFFER_TYPES_H_ |
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