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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #include "cc/test/test_gpu_memory_buffer_manager.h" | 5 #include "cc/test/test_gpu_memory_buffer_manager.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/numerics/safe_conversions.h" | 8 #include "base/numerics/safe_conversions.h" |
9 #include "ui/gfx/buffer_format_util.h" | |
10 #include "ui/gfx/gpu_memory_buffer.h" | 9 #include "ui/gfx/gpu_memory_buffer.h" |
11 | 10 |
12 namespace cc { | 11 namespace cc { |
13 namespace { | 12 namespace { |
14 | 13 |
| 14 int NumberOfPlanesForGpuMemoryBufferFormat(gfx::BufferFormat format) { |
| 15 switch (format) { |
| 16 case gfx::BufferFormat::ATC: |
| 17 case gfx::BufferFormat::ATCIA: |
| 18 case gfx::BufferFormat::DXT1: |
| 19 case gfx::BufferFormat::DXT5: |
| 20 case gfx::BufferFormat::ETC1: |
| 21 case gfx::BufferFormat::R_8: |
| 22 case gfx::BufferFormat::RGBA_4444: |
| 23 case gfx::BufferFormat::RGBA_8888: |
| 24 case gfx::BufferFormat::RGBX_8888: |
| 25 case gfx::BufferFormat::BGRA_8888: |
| 26 return 1; |
| 27 case gfx::BufferFormat::YUV_420: |
| 28 return 3; |
| 29 } |
| 30 NOTREACHED(); |
| 31 return 0; |
| 32 } |
| 33 |
15 size_t SubsamplingFactor(gfx::BufferFormat format, int plane) { | 34 size_t SubsamplingFactor(gfx::BufferFormat format, int plane) { |
16 switch (format) { | 35 switch (format) { |
17 case gfx::BufferFormat::ATC: | 36 case gfx::BufferFormat::ATC: |
18 case gfx::BufferFormat::ATCIA: | 37 case gfx::BufferFormat::ATCIA: |
19 case gfx::BufferFormat::DXT1: | 38 case gfx::BufferFormat::DXT1: |
20 case gfx::BufferFormat::DXT5: | 39 case gfx::BufferFormat::DXT5: |
21 case gfx::BufferFormat::ETC1: | 40 case gfx::BufferFormat::ETC1: |
22 case gfx::BufferFormat::R_8: | 41 case gfx::BufferFormat::R_8: |
23 case gfx::BufferFormat::RGBA_4444: | 42 case gfx::BufferFormat::RGBA_4444: |
24 case gfx::BufferFormat::RGBA_8888: | 43 case gfx::BufferFormat::RGBA_8888: |
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59 return width * 4; | 78 return width * 4; |
60 case gfx::BufferFormat::YUV_420: | 79 case gfx::BufferFormat::YUV_420: |
61 return width / SubsamplingFactor(format, plane); | 80 return width / SubsamplingFactor(format, plane); |
62 } | 81 } |
63 NOTREACHED(); | 82 NOTREACHED(); |
64 return 0; | 83 return 0; |
65 } | 84 } |
66 | 85 |
67 size_t BufferSizeInBytes(const gfx::Size& size, gfx::BufferFormat format) { | 86 size_t BufferSizeInBytes(const gfx::Size& size, gfx::BufferFormat format) { |
68 size_t size_in_bytes = 0; | 87 size_t size_in_bytes = 0; |
69 int num_planes = static_cast<int>(gfx::NumberOfPlanesForBufferFormat(format)); | 88 int num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format); |
70 for (int i = 0; i < num_planes; ++i) { | 89 for (int i = 0; i < num_planes; ++i) { |
71 size_in_bytes += StrideInBytes(size.width(), format, i) * | 90 size_in_bytes += StrideInBytes(size.width(), format, i) * |
72 (size.height() / SubsamplingFactor(format, i)); | 91 (size.height() / SubsamplingFactor(format, i)); |
73 } | 92 } |
74 return size_in_bytes; | 93 return size_in_bytes; |
75 } | 94 } |
76 | 95 |
77 class GpuMemoryBufferImpl : public gfx::GpuMemoryBuffer { | 96 class GpuMemoryBufferImpl : public gfx::GpuMemoryBuffer { |
78 public: | 97 public: |
79 GpuMemoryBufferImpl(const gfx::Size& size, | 98 GpuMemoryBufferImpl(const gfx::Size& size, |
80 gfx::BufferFormat format, | 99 gfx::BufferFormat format, |
81 scoped_ptr<base::SharedMemory> shared_memory) | 100 scoped_ptr<base::SharedMemory> shared_memory) |
82 : size_(size), | 101 : size_(size), |
83 format_(format), | 102 format_(format), |
84 shared_memory_(shared_memory.Pass()), | 103 shared_memory_(shared_memory.Pass()), |
85 mapped_(false) {} | 104 mapped_(false) {} |
86 | 105 |
87 // Overridden from gfx::GpuMemoryBuffer: | 106 // Overridden from gfx::GpuMemoryBuffer: |
88 bool Map(void** data) override { | 107 bool Map(void** data) override { |
89 DCHECK(!mapped_); | 108 DCHECK(!mapped_); |
90 if (!shared_memory_->Map(BufferSizeInBytes(size_, format_))) | 109 if (!shared_memory_->Map(BufferSizeInBytes(size_, format_))) |
91 return false; | 110 return false; |
92 mapped_ = true; | 111 mapped_ = true; |
93 size_t offset = 0; | 112 size_t offset = 0; |
94 int num_planes = | 113 int num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format_); |
95 static_cast<int>(gfx::NumberOfPlanesForBufferFormat(format_)); | |
96 for (int i = 0; i < num_planes; ++i) { | 114 for (int i = 0; i < num_planes; ++i) { |
97 data[i] = reinterpret_cast<uint8*>(shared_memory_->memory()) + offset; | 115 data[i] = reinterpret_cast<uint8*>(shared_memory_->memory()) + offset; |
98 offset += StrideInBytes(size_.width(), format_, i) * | 116 offset += StrideInBytes(size_.width(), format_, i) * |
99 (size_.height() / SubsamplingFactor(format_, i)); | 117 (size_.height() / SubsamplingFactor(format_, i)); |
100 } | 118 } |
101 return true; | 119 return true; |
102 } | 120 } |
103 void Unmap() override { | 121 void Unmap() override { |
104 DCHECK(mapped_); | 122 DCHECK(mapped_); |
105 shared_memory_->Unmap(); | 123 shared_memory_->Unmap(); |
106 mapped_ = false; | 124 mapped_ = false; |
107 } | 125 } |
108 bool IsMapped() const override { return mapped_; } | 126 bool IsMapped() const override { return mapped_; } |
109 gfx::BufferFormat GetFormat() const override { return format_; } | 127 gfx::BufferFormat GetFormat() const override { return format_; } |
110 void GetStride(int* stride) const override { | 128 void GetStride(int* stride) const override { |
111 int num_planes = | 129 int num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format_); |
112 static_cast<int>(gfx::NumberOfPlanesForBufferFormat(format_)); | |
113 for (int i = 0; i < num_planes; ++i) | 130 for (int i = 0; i < num_planes; ++i) |
114 stride[i] = | 131 stride[i] = |
115 base::checked_cast<int>(StrideInBytes(size_.width(), format_, i)); | 132 base::checked_cast<int>(StrideInBytes(size_.width(), format_, i)); |
116 } | 133 } |
117 gfx::GpuMemoryBufferId GetId() const override { | 134 gfx::GpuMemoryBufferId GetId() const override { |
118 NOTREACHED(); | 135 NOTREACHED(); |
119 return 0; | 136 return 0; |
120 } | 137 } |
121 gfx::GpuMemoryBufferHandle GetHandle() const override { | 138 gfx::GpuMemoryBufferHandle GetHandle() const override { |
122 gfx::GpuMemoryBufferHandle handle; | 139 gfx::GpuMemoryBufferHandle handle; |
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159 ClientBuffer buffer) { | 176 ClientBuffer buffer) { |
160 return reinterpret_cast<gfx::GpuMemoryBuffer*>(buffer); | 177 return reinterpret_cast<gfx::GpuMemoryBuffer*>(buffer); |
161 } | 178 } |
162 | 179 |
163 void TestGpuMemoryBufferManager::SetDestructionSyncPoint( | 180 void TestGpuMemoryBufferManager::SetDestructionSyncPoint( |
164 gfx::GpuMemoryBuffer* buffer, | 181 gfx::GpuMemoryBuffer* buffer, |
165 uint32 sync_point) { | 182 uint32 sync_point) { |
166 } | 183 } |
167 | 184 |
168 } // namespace cc | 185 } // namespace cc |
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