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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_GPU_MEMORY_BUFFER_H_ | 5 #ifndef UI_GFX_GPU_MEMORY_BUFFER_H_ |
| 6 #define UI_GFX_GPU_MEMORY_BUFFER_H_ | 6 #define UI_GFX_GPU_MEMORY_BUFFER_H_ |
| 7 | 7 |
| 8 #include "base/memory/shared_memory.h" | 8 #include "base/memory/shared_memory.h" |
| 9 #include "build/build_config.h" | 9 #include "build/build_config.h" |
| 10 #include "ui/gfx/gfx_export.h" | 10 #include "ui/gfx/gfx_export.h" |
| 11 | 11 |
| 12 #if defined(OS_ANDROID) | 12 //#if defined(OS_ANDROID) |
| 13 #include <third_party/khronos/EGL/egl.h> | 13 #include <third_party/khronos/EGL/egl.h> |
| 14 #endif | 14 //#endif |
| 15 | 15 |
| 16 namespace gfx { | 16 namespace gfx { |
| 17 | 17 |
| 18 enum GpuMemoryBufferType { | 18 enum GpuMemoryBufferType { |
| 19 EMPTY_BUFFER, | 19 EMPTY_BUFFER, |
| 20 SHARED_MEMORY_BUFFER, | 20 SHARED_MEMORY_BUFFER, |
| 21 EGL_CLIENT_BUFFER, | 21 EGL_CLIENT_BUFFER, |
| 22 IO_SURFACE_BUFFER | 22 IO_SURFACE_BUFFER |
| 23 }; | 23 }; |
| 24 | 24 |
| 25 struct GpuMemoryBufferHandle { | 25 struct GpuMemoryBufferHandle { |
| 26 GpuMemoryBufferHandle() | 26 GpuMemoryBufferHandle() |
| 27 : type(EMPTY_BUFFER), | 27 : type(EMPTY_BUFFER), |
| 28 handle(base::SharedMemory::NULLHandle()) | 28 handle(base::SharedMemory::NULLHandle()) |
| 29 #if defined(OS_ANDROID) | 29 //#if defined(OS_ANDROID) || defined(OZONE) |
| 30 , native_buffer(NULL) | 30 , |
| 31 #endif | 31 native_buffer(NULL) |
| 32 //#endif |
| 32 #if defined(OS_MACOSX) | 33 #if defined(OS_MACOSX) |
| 33 , io_surface_id(0) | 34 , |
| 35 io_surface_id(0) |
| 34 #endif | 36 #endif |
| 35 { | 37 { |
| 36 } | 38 } |
| 37 bool is_null() const { return type == EMPTY_BUFFER; } | 39 bool is_null() const { return type == EMPTY_BUFFER; } |
| 38 GpuMemoryBufferType type; | 40 GpuMemoryBufferType type; |
| 39 base::SharedMemoryHandle handle; | 41 base::SharedMemoryHandle handle; |
| 40 #if defined(OS_ANDROID) | 42 //#if defined(OS_ANDROID) || defined(OZONE) |
| 41 EGLClientBuffer native_buffer; | 43 EGLClientBuffer native_buffer; |
| 42 #endif | 44 //#endif |
| 43 #if defined(OS_MACOSX) | 45 #if defined(OS_MACOSX) |
| 44 uint32 io_surface_id; | 46 uint32 io_surface_id; |
| 45 #endif | 47 #endif |
| 46 | 48 |
| 47 }; | 49 }; |
| 48 | 50 |
| 49 // Interface for creating and accessing a zero-copy GPU memory buffer. | 51 // Interface for creating and accessing a zero-copy GPU memory buffer. |
| 50 // This design evolved from the generalization of GraphicBuffer API | 52 // This design evolved from the generalization of GraphicBuffer API |
| 51 // of Android framework. | 53 // of Android framework. |
| 52 // | 54 // |
| (...skipping 28 matching lines...) Expand all Loading... |
| 81 // Returns the stride in bytes for the buffer. | 83 // Returns the stride in bytes for the buffer. |
| 82 virtual uint32 GetStride() const = 0; | 84 virtual uint32 GetStride() const = 0; |
| 83 | 85 |
| 84 // Returns a platform specific handle for this buffer. | 86 // Returns a platform specific handle for this buffer. |
| 85 virtual GpuMemoryBufferHandle GetHandle() const = 0; | 87 virtual GpuMemoryBufferHandle GetHandle() const = 0; |
| 86 }; | 88 }; |
| 87 | 89 |
| 88 } // namespace gfx | 90 } // namespace gfx |
| 89 | 91 |
| 90 #endif // UI_GFX_GPU_MEMORY_BUFFER_H_ | 92 #endif // UI_GFX_GPU_MEMORY_BUFFER_H_ |
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