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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 GrTextureAccess_DEFINED | 8 #ifndef GrTextureAccess_DEFINED |
9 #define GrTextureAccess_DEFINED | 9 #define GrTextureAccess_DEFINED |
10 | 10 |
11 #include "GrProgramResource.h" | 11 #include "GrGpuResourceRef.h" |
12 #include "GrTexture.h" | 12 #include "GrTexture.h" |
13 #include "SkRefCnt.h" | 13 #include "SkRefCnt.h" |
14 #include "SkShader.h" | 14 #include "SkShader.h" |
15 | 15 |
16 /** | 16 /** |
17 * Represents the filtering and tile modes used to access a texture. It is mostl
y used with | 17 * Represents the filtering and tile modes used to access a texture. It is mostl
y used with |
18 * GrTextureAccess (defined below). Also, some of the texture cache methods requ
ire knowledge about | 18 * GrTextureAccess (defined below). Also, some of the texture cache methods requ
ire knowledge about |
19 * filtering and tiling to perform a cache lookup. If it wasn't for this latter
usage this would | 19 * filtering and tiling to perform a cache lookup. If it wasn't for this latter
usage this would |
20 * be folded into GrTextureAccess. The default is clamp tile modes and no filter
ing. | 20 * be folded into GrTextureAccess. The default is clamp tile modes and no filter
ing. |
21 */ | 21 */ |
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160 (0 == memcmp(fSwizzle, other.fSwizzle, sizeof(fSwizzle)-1)); | 160 (0 == memcmp(fSwizzle, other.fSwizzle, sizeof(fSwizzle)-1)); |
161 } | 161 } |
162 | 162 |
163 bool operator!= (const GrTextureAccess& other) const { return !(*this == oth
er); } | 163 bool operator!= (const GrTextureAccess& other) const { return !(*this == oth
er); } |
164 | 164 |
165 GrTexture* getTexture() const { return fTexture.get(); } | 165 GrTexture* getTexture() const { return fTexture.get(); } |
166 | 166 |
167 /** | 167 /** |
168 * For internal use by GrEffect. | 168 * For internal use by GrEffect. |
169 */ | 169 */ |
170 const GrProgramResource* getProgramTexture() const { return &fTexture; } | 170 const GrGpuResourceRef* getProgramTexture() const { return &fTexture; } |
171 | 171 |
172 /** | 172 /** |
173 * Returns a string representing the swizzle. The string is is null-terminat
ed. | 173 * Returns a string representing the swizzle. The string is is null-terminat
ed. |
174 */ | 174 */ |
175 const char* getSwizzle() const { return fSwizzle; } | 175 const char* getSwizzle() const { return fSwizzle; } |
176 | 176 |
177 /** Returns a mask indicating which components are referenced in the swizzle
. The return | 177 /** Returns a mask indicating which components are referenced in the swizzle
. The return |
178 is a bitfield of GrColorComponentFlags. */ | 178 is a bitfield of GrColorComponentFlags. */ |
179 uint32_t swizzleMask() const { return fSwizzleMask; } | 179 uint32_t swizzleMask() const { return fSwizzleMask; } |
180 | 180 |
181 const GrTextureParams& getParams() const { return fParams; } | 181 const GrTextureParams& getParams() const { return fParams; } |
182 | 182 |
183 private: | 183 private: |
184 void setSwizzle(const char*); | 184 void setSwizzle(const char*); |
185 | 185 |
186 typedef GrProgramTResource<GrTexture> ProgramTexture; | 186 typedef GrTGpuResourceRef<GrTexture> ProgramTexture; |
187 | 187 |
188 ProgramTexture fTexture; | 188 ProgramTexture fTexture; |
189 GrTextureParams fParams; | 189 GrTextureParams fParams; |
190 uint32_t fSwizzleMask; | 190 uint32_t fSwizzleMask; |
191 char fSwizzle[5]; | 191 char fSwizzle[5]; |
192 | 192 |
193 typedef SkNoncopyable INHERITED; | 193 typedef SkNoncopyable INHERITED; |
194 }; | 194 }; |
195 | 195 |
196 #endif | 196 #endif |
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