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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 | 8 |
9 #ifndef GrGLCaps_DEFINED | 9 #ifndef GrGLCaps_DEFINED |
10 #define GrGLCaps_DEFINED | 10 #define GrGLCaps_DEFINED |
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198 | 198 |
199 /// maximum number of texture units accessible in the fragment shader. | 199 /// maximum number of texture units accessible in the fragment shader. |
200 int maxFragmentTextureUnits() const { return fMaxFragmentTextureUnits; } | 200 int maxFragmentTextureUnits() const { return fMaxFragmentTextureUnits; } |
201 | 201 |
202 /// maximum number of fixed-function texture coords, or zero if no fixed-fun
ction. | 202 /// maximum number of fixed-function texture coords, or zero if no fixed-fun
ction. |
203 int maxFixedFunctionTextureCoords() const { return fMaxFixedFunctionTextureC
oords; } | 203 int maxFixedFunctionTextureCoords() const { return fMaxFixedFunctionTextureC
oords; } |
204 | 204 |
205 /// ES requires an extension to support RGBA8 in RenderBufferStorage | 205 /// ES requires an extension to support RGBA8 in RenderBufferStorage |
206 bool rgba8RenderbufferSupport() const { return fRGBA8RenderbufferSupport; } | 206 bool rgba8RenderbufferSupport() const { return fRGBA8RenderbufferSupport; } |
207 | 207 |
208 /// Is GL_BGRA supported | |
209 bool bgraFormatSupport() const { return fBGRAFormatSupport; } | |
210 | |
211 /** | 208 /** |
212 * Depending on the ES extensions present the BGRA external format may | 209 * Depending on the ES extensions present the BGRA external format may |
213 * correspond either a BGRA or RGBA internalFormat. On desktop GL it is | 210 * correspond either a BGRA or RGBA internalFormat. On desktop GL it is |
214 * RGBA. | 211 * RGBA. |
215 */ | 212 */ |
216 bool bgraIsInternalFormat() const { return fBGRAIsInternalFormat; } | 213 bool bgraIsInternalFormat() const { return fBGRAIsInternalFormat; } |
217 | 214 |
218 /// GL_ARB_texture_swizzle support | 215 /// GL_ARB_texture_swizzle support |
219 bool textureSwizzleSupport() const { return fTextureSwizzleSupport; } | 216 bool textureSwizzleSupport() const { return fTextureSwizzleSupport; } |
220 | 217 |
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263 | 260 |
264 bool fullClearIsFree() const { return fFullClearIsFree; } | 261 bool fullClearIsFree() const { return fFullClearIsFree; } |
265 | 262 |
266 bool dropsTileOnZeroDivide() const { return fDropsTileOnZeroDivide; } | 263 bool dropsTileOnZeroDivide() const { return fDropsTileOnZeroDivide; } |
267 | 264 |
268 /** | 265 /** |
269 * Returns a string containing the caps info. | 266 * Returns a string containing the caps info. |
270 */ | 267 */ |
271 virtual SkString dump() const SK_OVERRIDE; | 268 virtual SkString dump() const SK_OVERRIDE; |
272 | 269 |
| 270 /** |
| 271 * LATC can appear under one of three possible names. In order to know |
| 272 * which GL internal format to use, we need to keep track of which name |
| 273 * we found LATC under. The default is LATC. |
| 274 */ |
| 275 enum LATCAlias { |
| 276 kLATC_LATCAlias, |
| 277 kRGTC_LATCAlias, |
| 278 k3DC_LATCAlias |
| 279 }; |
| 280 |
| 281 LATCAlias latcAlias() const { return fLATCAlias; } |
| 282 |
273 private: | 283 private: |
274 /** | 284 /** |
275 * Maintains a bit per GrPixelConfig. It is used to avoid redundantly | 285 * Maintains a bit per GrPixelConfig. It is used to avoid redundantly |
276 * performing glCheckFrameBufferStatus for the same config. | 286 * performing glCheckFrameBufferStatus for the same config. |
277 */ | 287 */ |
278 struct VerifiedColorConfigs { | 288 struct VerifiedColorConfigs { |
279 VerifiedColorConfigs() { | 289 VerifiedColorConfigs() { |
280 this->reset(); | 290 this->reset(); |
281 } | 291 } |
282 | 292 |
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305 int u32Idx = config / 32; | 315 int u32Idx = config / 32; |
306 int bitIdx = config % 32; | 316 int bitIdx = config % 32; |
307 return SkToBool(fVerifiedColorConfigs[u32Idx] & (1 << bitIdx)); | 317 return SkToBool(fVerifiedColorConfigs[u32Idx] & (1 << bitIdx)); |
308 } | 318 } |
309 }; | 319 }; |
310 | 320 |
311 void initFSAASupport(const GrGLContextInfo&, const GrGLInterface*); | 321 void initFSAASupport(const GrGLContextInfo&, const GrGLInterface*); |
312 void initStencilFormats(const GrGLContextInfo&); | 322 void initStencilFormats(const GrGLContextInfo&); |
313 // This must be called after initFSAASupport(). | 323 // This must be called after initFSAASupport(). |
314 void initConfigRenderableTable(const GrGLContextInfo&); | 324 void initConfigRenderableTable(const GrGLContextInfo&); |
315 | 325 void initConfigTexturableTable(const GrGLContextInfo&, const GrGLInterface*)
; |
316 void initCompressedTextureSupport(const GrGLContextInfo &); | |
317 | 326 |
318 // tracks configs that have been verified to pass the FBO completeness when | 327 // tracks configs that have been verified to pass the FBO completeness when |
319 // used as a color attachment | 328 // used as a color attachment |
320 VerifiedColorConfigs fVerifiedColorConfigs; | 329 VerifiedColorConfigs fVerifiedColorConfigs; |
321 | 330 |
322 SkTArray<StencilFormat, true> fStencilFormats; | 331 SkTArray<StencilFormat, true> fStencilFormats; |
323 // tracks configs that have been verified to pass the FBO completeness when | 332 // tracks configs that have been verified to pass the FBO completeness when |
324 // used as a color attachment when a particular stencil format is used | 333 // used as a color attachment when a particular stencil format is used |
325 // as a stencil attachment. | 334 // as a stencil attachment. |
326 SkTArray<VerifiedColorConfigs, true> fStencilVerifiedColorConfigs; | 335 SkTArray<VerifiedColorConfigs, true> fStencilVerifiedColorConfigs; |
327 | 336 |
328 int fMaxFragmentUniformVectors; | 337 int fMaxFragmentUniformVectors; |
329 int fMaxVertexAttributes; | 338 int fMaxVertexAttributes; |
330 int fMaxFragmentTextureUnits; | 339 int fMaxFragmentTextureUnits; |
331 int fMaxFixedFunctionTextureCoords; | 340 int fMaxFixedFunctionTextureCoords; |
332 | 341 |
333 MSFBOType fMSFBOType; | 342 MSFBOType fMSFBOType; |
334 FBFetchType fFBFetchType; | 343 FBFetchType fFBFetchType; |
335 InvalidateFBType fInvalidateFBType; | 344 InvalidateFBType fInvalidateFBType; |
336 MapBufferType fMapBufferType; | 345 MapBufferType fMapBufferType; |
| 346 LATCAlias fLATCAlias; |
337 | 347 |
338 bool fRGBA8RenderbufferSupport : 1; | 348 bool fRGBA8RenderbufferSupport : 1; |
339 bool fBGRAFormatSupport : 1; | |
340 bool fBGRAIsInternalFormat : 1; | 349 bool fBGRAIsInternalFormat : 1; |
341 bool fTextureSwizzleSupport : 1; | 350 bool fTextureSwizzleSupport : 1; |
342 bool fUnpackRowLengthSupport : 1; | 351 bool fUnpackRowLengthSupport : 1; |
343 bool fUnpackFlipYSupport : 1; | 352 bool fUnpackFlipYSupport : 1; |
344 bool fPackRowLengthSupport : 1; | 353 bool fPackRowLengthSupport : 1; |
345 bool fPackFlipYSupport : 1; | 354 bool fPackFlipYSupport : 1; |
346 bool fTextureUsageSupport : 1; | 355 bool fTextureUsageSupport : 1; |
347 bool fTexStorageSupport : 1; | 356 bool fTexStorageSupport : 1; |
348 bool fTextureRedSupport : 1; | 357 bool fTextureRedSupport : 1; |
349 bool fImagingSupport : 1; | 358 bool fImagingSupport : 1; |
350 bool fTwoFormatLimit : 1; | 359 bool fTwoFormatLimit : 1; |
351 bool fFragCoordsConventionSupport : 1; | 360 bool fFragCoordsConventionSupport : 1; |
352 bool fVertexArrayObjectSupport : 1; | 361 bool fVertexArrayObjectSupport : 1; |
353 bool fUseNonVBOVertexAndIndexDynamicData : 1; | 362 bool fUseNonVBOVertexAndIndexDynamicData : 1; |
354 bool fIsCoreProfile : 1; | 363 bool fIsCoreProfile : 1; |
355 bool fFullClearIsFree : 1; | 364 bool fFullClearIsFree : 1; |
356 bool fDropsTileOnZeroDivide : 1; | 365 bool fDropsTileOnZeroDivide : 1; |
357 | 366 |
358 typedef GrDrawTargetCaps INHERITED; | 367 typedef GrDrawTargetCaps INHERITED; |
359 }; | 368 }; |
360 | 369 |
361 #endif | 370 #endif |
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