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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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 #ifndef CC_RESOURCES_PLATFORM_COLOR_H_ | 5 #ifndef CC_RESOURCES_PLATFORM_COLOR_H_ |
6 #define CC_RESOURCES_PLATFORM_COLOR_H_ | 6 #define CC_RESOURCES_PLATFORM_COLOR_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "cc/resources/resource_format.h" | 10 #include "cc/resources/resource_format.h" |
11 #include "third_party/skia/include/core/SkTypes.h" | 11 #include "third_party/skia/include/core/SkTypes.h" |
12 | 12 |
13 namespace cc { | 13 namespace cc { |
14 | 14 |
15 class PlatformColor { | 15 class PlatformColor { |
16 public: | 16 public: |
17 enum SourceDataFormat { | 17 enum SourceDataFormat { |
18 SOURCE_FORMAT_RGBA8, | 18 SOURCE_FORMAT_RGBA8, |
19 SOURCE_FORMAT_BGRA8 | 19 SOURCE_FORMAT_BGRA8 |
20 }; | 20 }; |
21 | 21 |
22 static SourceDataFormat Format() { | 22 static SourceDataFormat Format() { |
23 return SK_B32_SHIFT ? SOURCE_FORMAT_RGBA8 : SOURCE_FORMAT_BGRA8; | 23 return SK_B32_SHIFT ? SOURCE_FORMAT_RGBA8 : SOURCE_FORMAT_BGRA8; |
24 } | 24 } |
25 | 25 |
26 // Returns the most efficient texture format for this platform. | 26 // Returns the most efficient texture format for this platform. |
27 static ResourceFormat BestTextureFormat(bool supports_bgra8888) { | 27 static ResourceFormat BestTextureFormat() { |
| 28 switch (Format()) { |
| 29 case SOURCE_FORMAT_BGRA8: |
| 30 return BGRA_8888; |
| 31 case SOURCE_FORMAT_RGBA8: |
| 32 return RGBA_8888; |
| 33 } |
| 34 NOTREACHED(); |
| 35 return RGBA_8888; |
| 36 } |
| 37 |
| 38 // Returns the most efficient supported texture format for this platform. |
| 39 static ResourceFormat BestSupportedTextureFormat(bool supports_bgra8888) { |
28 switch (Format()) { | 40 switch (Format()) { |
29 case SOURCE_FORMAT_BGRA8: | 41 case SOURCE_FORMAT_BGRA8: |
30 return (supports_bgra8888) ? BGRA_8888 : RGBA_8888; | 42 return (supports_bgra8888) ? BGRA_8888 : RGBA_8888; |
31 case SOURCE_FORMAT_RGBA8: | 43 case SOURCE_FORMAT_RGBA8: |
32 return RGBA_8888; | 44 return RGBA_8888; |
33 } | 45 } |
34 NOTREACHED(); | 46 NOTREACHED(); |
35 return RGBA_8888; | 47 return RGBA_8888; |
36 } | 48 } |
37 | 49 |
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48 return false; | 60 return false; |
49 } | 61 } |
50 | 62 |
51 private: | 63 private: |
52 DISALLOW_IMPLICIT_CONSTRUCTORS(PlatformColor); | 64 DISALLOW_IMPLICIT_CONSTRUCTORS(PlatformColor); |
53 }; | 65 }; |
54 | 66 |
55 } // namespace cc | 67 } // namespace cc |
56 | 68 |
57 #endif // CC_RESOURCES_PLATFORM_COLOR_H_ | 69 #endif // CC_RESOURCES_PLATFORM_COLOR_H_ |
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