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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 CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_H_ | 5 #ifndef CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_H_ |
6 #define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_H_ | 6 #define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "content/common/content_export.h" | 10 #include "content/common/content_export.h" |
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26 // thread as this function was called on and instance was created on. | 26 // thread as this function was called on and instance was created on. |
27 static scoped_ptr<GpuMemoryBufferImpl> CreateFromHandle( | 27 static scoped_ptr<GpuMemoryBufferImpl> CreateFromHandle( |
28 const gfx::GpuMemoryBufferHandle& handle, | 28 const gfx::GpuMemoryBufferHandle& handle, |
29 const gfx::Size& size, | 29 const gfx::Size& size, |
30 Format format, | 30 Format format, |
31 const DestructionCallback& callback); | 31 const DestructionCallback& callback); |
32 | 32 |
33 // Type-checking upcast routine. Returns an NULL on failure. | 33 // Type-checking upcast routine. Returns an NULL on failure. |
34 static GpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer); | 34 static GpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer); |
35 | 35 |
36 // Returns the number of bytes per pixel that must be used by an | 36 // Calculates the number of bytes that an implementation must use to store |
37 // implementation when using |format|. | 37 // one row of pixel data. |
38 static size_t BytesPerPixel(Format format); | 38 static bool StrideInBytes(size_t width, |
| 39 Format format, |
| 40 size_t* stride_in_bytes); |
39 | 41 |
40 // Overridden from gfx::GpuMemoryBuffer: | 42 // Overridden from gfx::GpuMemoryBuffer: |
41 bool IsMapped() const override; | 43 bool IsMapped() const override; |
42 Format GetFormat() const override; | 44 Format GetFormat() const override; |
43 ClientBuffer AsClientBuffer() override; | 45 ClientBuffer AsClientBuffer() override; |
44 | 46 |
45 void set_destruction_sync_point(uint32 sync_point) { | 47 void set_destruction_sync_point(uint32 sync_point) { |
46 destruction_sync_point_ = sync_point; | 48 destruction_sync_point_ = sync_point; |
47 } | 49 } |
48 | 50 |
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59 bool mapped_; | 61 bool mapped_; |
60 uint32 destruction_sync_point_; | 62 uint32 destruction_sync_point_; |
61 | 63 |
62 private: | 64 private: |
63 DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImpl); | 65 DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImpl); |
64 }; | 66 }; |
65 | 67 |
66 } // namespace content | 68 } // namespace content |
67 | 69 |
68 #endif // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_H_ | 70 #endif // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_H_ |
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