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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/resources/resource_format.h" | 5 #include "cc/resources/resource_format.h" |
6 | 6 |
7 #include "third_party/khronos/GLES2/gl2.h" | 7 #include "third_party/khronos/GLES2/gl2.h" |
8 #include "third_party/khronos/GLES2/gl2ext.h" | 8 #include "third_party/khronos/GLES2/gl2ext.h" |
9 | 9 |
10 namespace cc { | 10 namespace cc { |
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90 gfx::BufferFormat BufferFormat(ResourceFormat format) { | 90 gfx::BufferFormat BufferFormat(ResourceFormat format) { |
91 switch (format) { | 91 switch (format) { |
92 case BGRA_8888: | 92 case BGRA_8888: |
93 return gfx::BufferFormat::BGRA_8888; | 93 return gfx::BufferFormat::BGRA_8888; |
94 case RED_8: | 94 case RED_8: |
95 return gfx::BufferFormat::R_8; | 95 return gfx::BufferFormat::R_8; |
96 case RGBA_4444: | 96 case RGBA_4444: |
97 return gfx::BufferFormat::RGBA_4444; | 97 return gfx::BufferFormat::RGBA_4444; |
98 case RGBA_8888: | 98 case RGBA_8888: |
99 return gfx::BufferFormat::RGBA_8888; | 99 return gfx::BufferFormat::RGBA_8888; |
| 100 case ETC1: |
| 101 return gfx::BufferFormat::ETC1; |
100 case ALPHA_8: | 102 case ALPHA_8: |
101 case LUMINANCE_8: | 103 case LUMINANCE_8: |
102 case RGB_565: | 104 case RGB_565: |
103 case ETC1: | |
104 break; | 105 break; |
105 } | 106 } |
106 NOTREACHED(); | 107 NOTREACHED(); |
107 return gfx::BufferFormat::RGBA_8888; | 108 return gfx::BufferFormat::RGBA_8888; |
108 } | 109 } |
109 | 110 |
| 111 bool IsResourceFormatCompressed(ResourceFormat format) { |
| 112 return format == ETC1; |
| 113 } |
| 114 |
| 115 bool DoesResourceFormatSupportAlpha(ResourceFormat format) { |
| 116 switch (format) { |
| 117 case RGBA_4444: |
| 118 case RGBA_8888: |
| 119 case BGRA_8888: |
| 120 case ALPHA_8: |
| 121 return true; |
| 122 case LUMINANCE_8: |
| 123 case RGB_565: |
| 124 case ETC1: |
| 125 case RED_8: |
| 126 return false; |
| 127 } |
| 128 NOTREACHED(); |
| 129 return false; |
| 130 } |
| 131 |
110 } // namespace cc | 132 } // namespace cc |
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