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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 "components/mus/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 mus { | |
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 mus::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 mus | |
70 | |
71 #endif // COMPONENTS_MUS_GLES2_OZONE_GPU_MEMORY_BUFFER_ | |
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