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1 /* | 1 /* |
2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 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 GrContext_DEFINED | 8 #ifndef GrContext_DEFINED |
9 #define GrContext_DEFINED | 9 #define GrContext_DEFINED |
10 | 10 |
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209 * @param rowBytes The number of bytes between rows of the texture. Zero | 209 * @param rowBytes The number of bytes between rows of the texture. Zero |
210 * implies tightly packed rows. | 210 * implies tightly packed rows. |
211 * @param cacheKey (optional) If non-NULL, we'll write the cache key we use
d to cacheKey. | 211 * @param cacheKey (optional) If non-NULL, we'll write the cache key we use
d to cacheKey. |
212 */ | 212 */ |
213 GrTexture* createTexture(const GrTextureParams* params, | 213 GrTexture* createTexture(const GrTextureParams* params, |
214 const GrTextureDesc& desc, | 214 const GrTextureDesc& desc, |
215 const GrCacheID& cacheID, | 215 const GrCacheID& cacheID, |
216 void* srcData, | 216 void* srcData, |
217 size_t rowBytes, | 217 size_t rowBytes, |
218 GrResourceKey* cacheKey = NULL); | 218 GrResourceKey* cacheKey = NULL); |
219 | 219 /** |
| 220 * Creates a new entry, based on the specified key and texture and returns i
t. The caller owns a |
| 221 * ref on the returned texture which must be balanced by a call to unref. |
| 222 * |
| 223 * @param params The texture params used to draw a texture may help deter
mine |
| 224 * the cache entry used. (e.g. different versions may exist |
| 225 * for different wrap modes on GPUs with limited NPOT |
| 226 * texture support). NULL implies clamp wrap modes. |
| 227 * @param desc Description of the texture properties. |
| 228 * @param cacheID Cache-specific properties (e.g., texture gen ID) |
| 229 * @param srcData Pointer to the compressed pixel values. |
| 230 * @param format The compressed texture format to use |
| 231 * @param cacheKey (optional) If non-NULL, we'll write the cache key we use
d to cacheKey. |
| 232 */ |
| 233 GrTexture* createCompressedTexture(const GrTextureParams* params, |
| 234 const GrTextureDesc& desc, |
| 235 const GrCacheID& cacheID, |
| 236 const void* srcData, |
| 237 GrCompressedFormat format, |
| 238 GrResourceKey* cacheKey = NULL); |
220 /** | 239 /** |
221 * Search for an entry based on key and dimensions. If found, ref it and ret
urn it. The return | 240 * Search for an entry based on key and dimensions. If found, ref it and ret
urn it. The return |
222 * value will be NULL if not found. The caller must balance with a call to u
nref. | 241 * value will be NULL if not found. The caller must balance with a call to u
nref. |
223 * | 242 * |
224 * @param desc Description of the texture properties. | 243 * @param desc Description of the texture properties. |
225 * @param cacheID Cache-specific properties (e.g., texture gen ID) | 244 * @param cacheID Cache-specific properties (e.g., texture gen ID) |
226 * @param params The texture params used to draw a texture may help deter
mine | 245 * @param params The texture params used to draw a texture may help deter
mine |
227 * the cache entry used. (e.g. different versions may exist | 246 * the cache entry used. (e.g. different versions may exist |
228 * for different wrap modes on GPUs with limited NPOT | 247 * for different wrap modes on GPUs with limited NPOT |
229 * texture support). NULL implies clamp wrap modes. | 248 * texture support). NULL implies clamp wrap modes. |
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1123 } | 1142 } |
1124 | 1143 |
1125 GrTexture* texture() { return fTexture; } | 1144 GrTexture* texture() { return fTexture; } |
1126 | 1145 |
1127 private: | 1146 private: |
1128 GrContext* fContext; | 1147 GrContext* fContext; |
1129 GrTexture* fTexture; | 1148 GrTexture* fTexture; |
1130 }; | 1149 }; |
1131 | 1150 |
1132 #endif | 1151 #endif |
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