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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 "ui/gl/gl_image_memory.h" | 5 #include "ui/gl/gl_image_memory.h" |
6 | 6 |
7 #include "base/debug/trace_event.h" | 7 #include "base/debug/trace_event.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "ui/gl/gl_bindings.h" | 9 #include "ui/gl/gl_bindings.h" |
10 #include "ui/gl/scoped_binders.h" | 10 #include "ui/gl/scoped_binders.h" |
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93 | 93 |
94 GLImageMemory::~GLImageMemory() { | 94 GLImageMemory::~GLImageMemory() { |
95 #if defined(OS_WIN) || defined(USE_X11) || defined(OS_ANDROID) || \ | 95 #if defined(OS_WIN) || defined(USE_X11) || defined(OS_ANDROID) || \ |
96 defined(USE_OZONE) | 96 defined(USE_OZONE) |
97 DCHECK_EQ(EGL_NO_IMAGE_KHR, egl_image_); | 97 DCHECK_EQ(EGL_NO_IMAGE_KHR, egl_image_); |
98 DCHECK_EQ(0u, egl_texture_id_); | 98 DCHECK_EQ(0u, egl_texture_id_); |
99 #endif | 99 #endif |
100 } | 100 } |
101 | 101 |
102 // static | 102 // static |
103 size_t GLImageMemory::BytesPerPixel(gfx::GpuMemoryBuffer::Format format) { | 103 bool GLImageMemory::StrideInBytes(size_t width, |
| 104 gfx::GpuMemoryBuffer::Format format, |
| 105 size_t* stride_in_bytes) { |
| 106 base::CheckedNumeric<size_t> s = width; |
104 switch (format) { | 107 switch (format) { |
105 case gfx::GpuMemoryBuffer::RGBA_8888: | 108 case gfx::GpuMemoryBuffer::RGBA_8888: |
106 case gfx::GpuMemoryBuffer::BGRA_8888: | 109 case gfx::GpuMemoryBuffer::BGRA_8888: |
107 return 4; | 110 s *= 4; |
| 111 if (!s.IsValid()) |
| 112 return false; |
| 113 |
| 114 *stride_in_bytes = s.ValueOrDie(); |
| 115 return true; |
108 case gfx::GpuMemoryBuffer::RGBX_8888: | 116 case gfx::GpuMemoryBuffer::RGBX_8888: |
109 NOTREACHED(); | 117 NOTREACHED(); |
110 return 0; | 118 return false; |
111 } | 119 } |
112 | 120 |
113 NOTREACHED(); | 121 NOTREACHED(); |
114 return 0; | 122 return false; |
115 } | 123 } |
116 | 124 |
117 bool GLImageMemory::Initialize(const unsigned char* memory, | 125 bool GLImageMemory::Initialize(const unsigned char* memory, |
118 gfx::GpuMemoryBuffer::Format format) { | 126 gfx::GpuMemoryBuffer::Format format) { |
119 if (!ValidInternalFormat(internalformat_)) { | 127 if (!ValidInternalFormat(internalformat_)) { |
120 LOG(ERROR) << "Invalid internalformat: " << internalformat_; | 128 LOG(ERROR) << "Invalid internalformat: " << internalformat_; |
121 return false; | 129 return false; |
122 } | 130 } |
123 | 131 |
124 if (!ValidFormat(format)) { | 132 if (!ValidFormat(format)) { |
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280 TextureFormat(format_), | 288 TextureFormat(format_), |
281 size_.width(), | 289 size_.width(), |
282 size_.height(), | 290 size_.height(), |
283 0, // border | 291 0, // border |
284 DataFormat(format_), | 292 DataFormat(format_), |
285 DataType(format_), | 293 DataType(format_), |
286 memory_); | 294 memory_); |
287 } | 295 } |
288 | 296 |
289 } // namespace gfx | 297 } // namespace gfx |
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