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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_NATIVE_PIXMAP_HANDLE_OZONE_H_ | 5 #ifndef UI_GFX_NATIVE_PIXMAP_HANDLE_OZONE_H_ |
6 #define UI_GFX_NATIVE_PIXMAP_HANDLE_OZONE_H_ | 6 #define UI_GFX_NATIVE_PIXMAP_HANDLE_OZONE_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/file_descriptor_posix.h" | 11 #include "base/file_descriptor_posix.h" |
12 #include "ui/gfx/gfx_export.h" | 12 #include "ui/gfx/gfx_export.h" |
13 | 13 |
14 namespace gfx { | 14 namespace gfx { |
15 | 15 |
| 16 // NativePixmapPlane is used to carry the plane related information for GBM |
| 17 // buffer. More fields can be added if they are plane specific. |
| 18 struct GFX_EXPORT NativePixmapPlane { |
| 19 NativePixmapPlane(); |
| 20 NativePixmapPlane(int stride, int offset, uint64_t modifier); |
| 21 NativePixmapPlane(const NativePixmapPlane& other); |
| 22 ~NativePixmapPlane(); |
| 23 |
| 24 // The strides and offsets in bytes to be used when accessing the buffers via |
| 25 // a memory mapping. One per plane per entry. |
| 26 int stride; |
| 27 int offset; |
| 28 // The modifier is retrieved from GBM library and passed to EGL driver. |
| 29 // Generally it's platform specific, and we don't need to modify it in |
| 30 // Chromium code. Also one per plane per entry. |
| 31 uint64_t modifier; |
| 32 }; |
| 33 |
16 struct GFX_EXPORT NativePixmapHandle { | 34 struct GFX_EXPORT NativePixmapHandle { |
17 NativePixmapHandle(); | 35 NativePixmapHandle(); |
18 NativePixmapHandle(const NativePixmapHandle& other); | 36 NativePixmapHandle(const NativePixmapHandle& other); |
19 | 37 |
20 ~NativePixmapHandle(); | 38 ~NativePixmapHandle(); |
21 // File descriptors for the underlying memory objects (usually dmabufs). | 39 // File descriptors for the underlying memory objects (usually dmabufs). |
22 std::vector<base::FileDescriptor> fds; | 40 std::vector<base::FileDescriptor> fds; |
23 | 41 |
24 // The strides and offsets in bytes to be used when accessing the buffers via | 42 std::vector<NativePixmapPlane> planes; |
25 // a memory mapping. One per plane per entry. | |
26 std::vector<std::pair<int, int>> strides_and_offsets; | |
27 }; | 43 }; |
28 | 44 |
29 } // namespace gfx | 45 } // namespace gfx |
30 | 46 |
31 #endif // UI_GFX_NATIVE_PIXMAP_HANDLE_OZONE_H_ | 47 #endif // UI_GFX_NATIVE_PIXMAP_HANDLE_OZONE_H_ |
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