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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef COMPONENTS_MUS_GLES2_OZONE_GPU_MEMORY_BUFFER_ | |
| 6 #define COMPONENTS_MUS_GLES2_OZONE_GPU_MEMORY_BUFFER_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "services/ui/common/gpu_memory_buffer_impl.h" | |
| 11 #include "ui/gfx/geometry/size.h" | |
| 12 #include "ui/gfx/gpu_memory_buffer.h" | |
| 13 #include "ui/gfx/native_widget_types.h" | |
| 14 | |
| 15 namespace ui { | |
| 16 class ClientNativePixmap; | |
| 17 class NativePixmap; | |
| 18 } // namespace ui | |
| 19 | |
| 20 namespace ui { | |
| 21 | |
| 22 // A not-mojo GpuMemoryBuffer implementation solely for use internally to mus | |
| 23 // for scanout buffers. Note that OzoneGpuMemoryBuffer is for use on the client | |
| 24 // (aka CC thread). | |
| 25 class OzoneGpuMemoryBuffer : public ui::GpuMemoryBufferImpl { | |
| 26 public: | |
| 27 ~OzoneGpuMemoryBuffer() override; | |
| 28 | |
| 29 // gfx::GpuMemoryBuffer implementation | |
| 30 bool Map() override; | |
| 31 void Unmap() override; | |
| 32 void* memory(size_t plane) override; | |
| 33 int stride(size_t plane) const override; | |
| 34 gfx::GpuMemoryBufferHandle GetHandle() const override; | |
| 35 | |
| 36 // Returns the type of this GpuMemoryBufferImpl. | |
| 37 gfx::GpuMemoryBufferType GetBufferType() const override; | |
| 38 scoped_refptr<ui::NativePixmap> GetNativePixmap() override; | |
| 39 | |
| 40 // Create a NativeBuffer. The implementation (mus-specific) will call directly | |
| 41 // into ozone to allocate the buffer. See the version in the .cc file. | |
| 42 static std::unique_ptr<gfx::GpuMemoryBuffer> CreateOzoneGpuMemoryBuffer( | |
| 43 const gfx::Size& size, | |
| 44 gfx::BufferFormat format, | |
| 45 gfx::BufferUsage usage, | |
| 46 gfx::AcceleratedWidget widget); | |
| 47 | |
| 48 // Cribbed from content/common/gpu/client/gpu_memory_buffer_impl.h | |
| 49 static OzoneGpuMemoryBuffer* FromClientBuffer(ClientBuffer buffer); | |
| 50 | |
| 51 private: | |
| 52 // TODO(rjkroege): It is conceivable that we do not need an |id| here. It | |
| 53 // would seem to be a legacy of content leaking into gfx. In a mojo context, | |
| 54 // perhaps it should be a mojo handle instead. | |
| 55 OzoneGpuMemoryBuffer(gfx::GpuMemoryBufferId id, | |
| 56 const gfx::Size& size, | |
| 57 gfx::BufferFormat format, | |
| 58 std::unique_ptr<ui::ClientNativePixmap> client_pixmap, | |
| 59 scoped_refptr<ui::NativePixmap> native_pixmap); | |
| 60 | |
| 61 // The real backing buffer. | |
| 62 // From content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_pixmap.h | |
| 63 std::unique_ptr<ui::ClientNativePixmap> client_pixmap_; | |
| 64 scoped_refptr<ui::NativePixmap> native_pixmap_; | |
| 65 | |
| 66 DISALLOW_COPY_AND_ASSIGN(OzoneGpuMemoryBuffer); | |
| 67 }; | |
| 68 | |
| 69 } // namespace ui | |
| 70 | |
| 71 #endif // COMPONENTS_MUS_GLES2_OZONE_GPU_MEMORY_BUFFER_ | |
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