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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 #ifndef CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_ | 5 #ifndef CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_ |
6 #define CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_ | 6 #define CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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96 // in the 0-1 range, you need to do: | 96 // in the 0-1 range, you need to do: |
97 // (half_float - Offset()) * Multiplier() | 97 // (half_float - Offset()) * Multiplier() |
98 // to each returned value. | 98 // to each returned value. |
99 virtual float Offset() const = 0; | 99 virtual float Offset() const = 0; |
100 virtual float Multiplier() const = 0; | 100 virtual float Multiplier() const = 0; |
101 }; | 101 }; |
102 | 102 |
103 static std::unique_ptr<HalfFloatMaker> NewHalfFloatMaker( | 103 static std::unique_ptr<HalfFloatMaker> NewHalfFloatMaker( |
104 int bits_per_channel); | 104 int bits_per_channel); |
105 | 105 |
106 ResourceFormat YuvResourceFormat(int bits) const; | |
107 | |
108 private: | 106 private: |
109 class PlaneResource { | 107 class PlaneResource { |
110 public: | 108 public: |
111 PlaneResource(unsigned resource_id, | 109 PlaneResource(unsigned resource_id, |
112 const gfx::Size& resource_size, | 110 const gfx::Size& resource_size, |
113 ResourceFormat resource_format, | 111 ResourceFormat resource_format, |
114 gpu::Mailbox mailbox); | 112 gpu::Mailbox mailbox); |
115 PlaneResource(const PlaneResource& other); | 113 PlaneResource(const PlaneResource& other); |
116 | 114 |
117 // Returns true if this resource matches the unique identifiers of another | 115 // Returns true if this resource matches the unique identifiers of another |
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205 // Recycle resources so that we can reduce the number of allocations and | 203 // Recycle resources so that we can reduce the number of allocations and |
206 // data transfers. | 204 // data transfers. |
207 ResourceList all_resources_; | 205 ResourceList all_resources_; |
208 | 206 |
209 DISALLOW_COPY_AND_ASSIGN(VideoResourceUpdater); | 207 DISALLOW_COPY_AND_ASSIGN(VideoResourceUpdater); |
210 }; | 208 }; |
211 | 209 |
212 } // namespace cc | 210 } // namespace cc |
213 | 211 |
214 #endif // CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_ | 212 #endif // CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_ |
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