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Side by Side Diff: components/view_manager/gles2/mojo_gpu_memory_buffer.cc

Issue 1291643002: Revert of Move NumberOfPlanesForGpuMemoryBufferFormat to gfx (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 4 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 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 "components/view_manager/gles2/mojo_gpu_memory_buffer.h" 5 #include "components/view_manager/gles2/mojo_gpu_memory_buffer.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #include "base/memory/shared_memory.h" 8 #include "base/memory/shared_memory.h"
9 #include "base/numerics/safe_conversions.h" 9 #include "base/numerics/safe_conversions.h"
10 #include "ui/gfx/buffer_format_util.h"
11 10
12 namespace gles2 { 11 namespace gles2 {
13 12
14 namespace { 13 namespace {
15 14
15 int NumberOfPlanesForGpuMemoryBufferFormat(gfx::BufferFormat format) {
16 switch (format) {
17 case gfx::BufferFormat::ATC:
18 case gfx::BufferFormat::ATCIA:
19 case gfx::BufferFormat::DXT1:
20 case gfx::BufferFormat::DXT5:
21 case gfx::BufferFormat::ETC1:
22 case gfx::BufferFormat::R_8:
23 case gfx::BufferFormat::RGBA_4444:
24 case gfx::BufferFormat::RGBA_8888:
25 case gfx::BufferFormat::RGBX_8888:
26 case gfx::BufferFormat::BGRA_8888:
27 return 1;
28 case gfx::BufferFormat::YUV_420:
29 return 3;
30 }
31 NOTREACHED();
32 return 0;
33 }
34
16 size_t SubsamplingFactor(gfx::BufferFormat format, int plane) { 35 size_t SubsamplingFactor(gfx::BufferFormat format, int plane) {
17 switch (format) { 36 switch (format) {
18 case gfx::BufferFormat::ATC: 37 case gfx::BufferFormat::ATC:
19 case gfx::BufferFormat::ATCIA: 38 case gfx::BufferFormat::ATCIA:
20 case gfx::BufferFormat::DXT1: 39 case gfx::BufferFormat::DXT1:
21 case gfx::BufferFormat::DXT5: 40 case gfx::BufferFormat::DXT5:
22 case gfx::BufferFormat::ETC1: 41 case gfx::BufferFormat::ETC1:
23 case gfx::BufferFormat::R_8: 42 case gfx::BufferFormat::R_8:
24 case gfx::BufferFormat::RGBA_4444: 43 case gfx::BufferFormat::RGBA_4444:
25 case gfx::BufferFormat::RGBA_8888: 44 case gfx::BufferFormat::RGBA_8888:
(...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after
60 return width * 4; 79 return width * 4;
61 case gfx::BufferFormat::YUV_420: 80 case gfx::BufferFormat::YUV_420:
62 return width / SubsamplingFactor(format, plane); 81 return width / SubsamplingFactor(format, plane);
63 } 82 }
64 NOTREACHED(); 83 NOTREACHED();
65 return 0; 84 return 0;
66 } 85 }
67 86
68 size_t BufferSizeInBytes(const gfx::Size& size, gfx::BufferFormat format) { 87 size_t BufferSizeInBytes(const gfx::Size& size, gfx::BufferFormat format) {
69 size_t size_in_bytes = 0; 88 size_t size_in_bytes = 0;
70 int num_planes = gfx::NumberOfPlanesForBufferFormat(format); 89 int num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format);
71 for (int i = 0; i < num_planes; ++i) { 90 for (int i = 0; i < num_planes; ++i) {
72 size_in_bytes += StrideInBytes(size.width(), format, i) * 91 size_in_bytes += StrideInBytes(size.width(), format, i) *
73 (size.height() / SubsamplingFactor(format, i)); 92 (size.height() / SubsamplingFactor(format, i));
74 } 93 }
75 return size_in_bytes; 94 return size_in_bytes;
76 } 95 }
77 96
78 } // namespace 97 } // namespace
79 98
80 MojoGpuMemoryBufferImpl::MojoGpuMemoryBufferImpl( 99 MojoGpuMemoryBufferImpl::MojoGpuMemoryBufferImpl(
(...skipping 24 matching lines...) Expand all
105 ClientBuffer buffer) { 124 ClientBuffer buffer) {
106 return reinterpret_cast<MojoGpuMemoryBufferImpl*>(buffer); 125 return reinterpret_cast<MojoGpuMemoryBufferImpl*>(buffer);
107 } 126 }
108 127
109 bool MojoGpuMemoryBufferImpl::Map(void** data) { 128 bool MojoGpuMemoryBufferImpl::Map(void** data) {
110 DCHECK(!mapped_); 129 DCHECK(!mapped_);
111 if (!shared_memory_->Map(BufferSizeInBytes(size_, format_))) 130 if (!shared_memory_->Map(BufferSizeInBytes(size_, format_)))
112 return false; 131 return false;
113 mapped_ = true; 132 mapped_ = true;
114 size_t offset = 0; 133 size_t offset = 0;
115 int num_planes = gfx::NumberOfPlanesForBufferFormat(format_); 134 int num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format_);
116 for (int i = 0; i < num_planes; ++i) { 135 for (int i = 0; i < num_planes; ++i) {
117 data[i] = reinterpret_cast<uint8*>(shared_memory_->memory()) + offset; 136 data[i] = reinterpret_cast<uint8*>(shared_memory_->memory()) + offset;
118 offset += StrideInBytes(size_.width(), format_, i) * 137 offset += StrideInBytes(size_.width(), format_, i) *
119 (size_.height() / SubsamplingFactor(format_, i)); 138 (size_.height() / SubsamplingFactor(format_, i));
120 } 139 }
121 return true; 140 return true;
122 } 141 }
123 142
124 void MojoGpuMemoryBufferImpl::Unmap() { 143 void MojoGpuMemoryBufferImpl::Unmap() {
125 DCHECK(mapped_); 144 DCHECK(mapped_);
126 shared_memory_->Unmap(); 145 shared_memory_->Unmap();
127 mapped_ = false; 146 mapped_ = false;
128 } 147 }
129 148
130 bool MojoGpuMemoryBufferImpl::IsMapped() const { 149 bool MojoGpuMemoryBufferImpl::IsMapped() const {
131 return mapped_; 150 return mapped_;
132 } 151 }
133 152
134 gfx::BufferFormat MojoGpuMemoryBufferImpl::GetFormat() const { 153 gfx::BufferFormat MojoGpuMemoryBufferImpl::GetFormat() const {
135 return format_; 154 return format_;
136 } 155 }
137 156
138 void MojoGpuMemoryBufferImpl::GetStride(int* stride) const { 157 void MojoGpuMemoryBufferImpl::GetStride(int* stride) const {
139 int num_planes = gfx::NumberOfPlanesForBufferFormat(format_); 158 int num_planes = NumberOfPlanesForGpuMemoryBufferFormat(format_);
140 for (int i = 0; i < num_planes; ++i) 159 for (int i = 0; i < num_planes; ++i)
141 stride[i] = 160 stride[i] =
142 base::checked_cast<int>(StrideInBytes(size_.width(), format_, i)); 161 base::checked_cast<int>(StrideInBytes(size_.width(), format_, i));
143 } 162 }
144 163
145 gfx::GpuMemoryBufferId MojoGpuMemoryBufferImpl::GetId() const { 164 gfx::GpuMemoryBufferId MojoGpuMemoryBufferImpl::GetId() const {
146 return 0; 165 return 0;
147 } 166 }
148 167
149 gfx::GpuMemoryBufferHandle MojoGpuMemoryBufferImpl::GetHandle() const { 168 gfx::GpuMemoryBufferHandle MojoGpuMemoryBufferImpl::GetHandle() const {
150 gfx::GpuMemoryBufferHandle handle; 169 gfx::GpuMemoryBufferHandle handle;
151 handle.type = gfx::SHARED_MEMORY_BUFFER; 170 handle.type = gfx::SHARED_MEMORY_BUFFER;
152 handle.handle = shared_memory_->handle(); 171 handle.handle = shared_memory_->handle();
153 return handle; 172 return handle;
154 } 173 }
155 174
156 ClientBuffer MojoGpuMemoryBufferImpl::AsClientBuffer() { 175 ClientBuffer MojoGpuMemoryBufferImpl::AsClientBuffer() {
157 return reinterpret_cast<ClientBuffer>(this); 176 return reinterpret_cast<ClientBuffer>(this);
158 } 177 }
159 178
160 } // namespace gles2 179 } // namespace gles2
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