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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrResourceProvider_DEFINED | 8 #ifndef GrResourceProvider_DEFINED |
9 #define GrResourceProvider_DEFINED | 9 #define GrResourceProvider_DEFINED |
10 | 10 |
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93 using GrTextureProvider::findAndRefTextureByUniqueKey; | 93 using GrTextureProvider::findAndRefTextureByUniqueKey; |
94 using GrTextureProvider::abandon; | 94 using GrTextureProvider::abandon; |
95 | 95 |
96 enum Flags { | 96 enum Flags { |
97 /** If the caller intends to do direct reads/writes to/from the CPU then
this flag must be | 97 /** If the caller intends to do direct reads/writes to/from the CPU then
this flag must be |
98 * set when accessing resources during a GrDrawTarget flush. This inclu
des the execution of | 98 * set when accessing resources during a GrDrawTarget flush. This inclu
des the execution of |
99 * GrBatch objects. The reason is that these memory operations are done
immediately and | 99 * GrBatch objects. The reason is that these memory operations are done
immediately and |
100 * will occur out of order WRT the operations being flushed. | 100 * will occur out of order WRT the operations being flushed. |
101 * Make this automatic: https://bug.skia.org/4156 | 101 * Make this automatic: https://bug.skia.org/4156 |
102 */ | 102 */ |
103 kNoPendingIO_Flag = kNoPendingIO_ScratchTextureFlag, | 103 kNoPendingIO_Flag = 0x1, |
| 104 |
| 105 /** Normally the caps may indicate a preference for client-side buffers.
Set this flag when |
| 106 * creating a buffer to guarantee it resides in GPU memory. |
| 107 */ |
| 108 kRequireGpuMemory_Flag = 0x2, |
104 }; | 109 }; |
105 | 110 |
106 /** | 111 /** |
107 * Returns a buffer. | 112 * Returns a buffer. |
108 * | 113 * |
109 * @param size minimum size of buffer to return. | 114 * @param size minimum size of buffer to return. |
110 * @param intendedType hint to the graphics subsystem about what the buff
er will be used for. | 115 * @param intendedType hint to the graphics subsystem about what the buff
er will be used for. |
111 * @param GrAccessPattern hint to the graphics subsystem about how the data
will be accessed. | 116 * @param GrAccessPattern hint to the graphics subsystem about how the data
will be accessed. |
112 * @param flags see Flags enum. | 117 * @param flags see Flags enum. |
113 * @param data optional data with which to initialize the buffer. | 118 * @param data optional data with which to initialize the buffer. |
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168 const GrUniqueKey& key); | 173 const GrUniqueKey& key); |
169 | 174 |
170 const GrBuffer* createQuadIndexBuffer(); | 175 const GrBuffer* createQuadIndexBuffer(); |
171 | 176 |
172 GrUniqueKey fQuadIndexBufferKey; | 177 GrUniqueKey fQuadIndexBufferKey; |
173 | 178 |
174 typedef GrTextureProvider INHERITED; | 179 typedef GrTextureProvider INHERITED; |
175 }; | 180 }; |
176 | 181 |
177 #endif | 182 #endif |
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