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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 GrGLGpu_DEFINED | 8 #ifndef GrGLGpu_DEFINED |
9 #define GrGLGpu_DEFINED | 9 #define GrGLGpu_DEFINED |
10 | 10 |
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55 } | 55 } |
56 | 56 |
57 void discard(GrRenderTarget*) override; | 57 void discard(GrRenderTarget*) override; |
58 | 58 |
59 // Used by GrGLProgram to configure OpenGL state. | 59 // Used by GrGLProgram to configure OpenGL state. |
60 void bindTexture(int unitIdx, const GrTextureParams& params, bool allowSRGBI
nputs, | 60 void bindTexture(int unitIdx, const GrTextureParams& params, bool allowSRGBI
nputs, |
61 GrGLTexture* texture); | 61 GrGLTexture* texture); |
62 | 62 |
63 void bindTexelBuffer(int unitIdx, intptr_t offsetInBytes, GrPixelConfig, GrG
LBuffer*); | 63 void bindTexelBuffer(int unitIdx, intptr_t offsetInBytes, GrPixelConfig, GrG
LBuffer*); |
64 | 64 |
| 65 void generateMipmaps(const GrTextureParams& params, bool allowSRGBInputs, Gr
GLTexture* texture); |
| 66 |
65 bool onGetReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeigh
t, size_t rowBytes, | 67 bool onGetReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeigh
t, size_t rowBytes, |
66 GrPixelConfig readConfig, DrawPreference*, | 68 GrPixelConfig readConfig, DrawPreference*, |
67 ReadPixelTempDrawInfo*) override; | 69 ReadPixelTempDrawInfo*) override; |
68 | 70 |
69 bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height, | 71 bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height, |
70 GrPixelConfig srcConfig, DrawPreference*, | 72 GrPixelConfig srcConfig, DrawPreference*, |
71 WritePixelTempDrawInfo*) override; | 73 WritePixelTempDrawInfo*) override; |
72 | 74 |
73 bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) const
override; | 75 bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) const
override; |
74 | 76 |
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230 const SkIRect& srcRect, | 232 const SkIRect& srcRect, |
231 const SkIPoint& dstPoint); | 233 const SkIPoint& dstPoint); |
232 void copySurfaceAsCopyTexSubImage(GrSurface* dst, | 234 void copySurfaceAsCopyTexSubImage(GrSurface* dst, |
233 GrSurface* src, | 235 GrSurface* src, |
234 const SkIRect& srcRect, | 236 const SkIRect& srcRect, |
235 const SkIPoint& dstPoint); | 237 const SkIPoint& dstPoint); |
236 bool copySurfaceAsBlitFramebuffer(GrSurface* dst, | 238 bool copySurfaceAsBlitFramebuffer(GrSurface* dst, |
237 GrSurface* src, | 239 GrSurface* src, |
238 const SkIRect& srcRect, | 240 const SkIRect& srcRect, |
239 const SkIPoint& dstPoint); | 241 const SkIPoint& dstPoint); |
| 242 bool generateMipmap(GrGLTexture* texture, bool gammaCorrect); |
240 | 243 |
241 void stampPLSSetupRect(const SkRect& bounds); | 244 void stampPLSSetupRect(const SkRect& bounds); |
242 | 245 |
243 void setupPixelLocalStorage(const GrPipeline&, const GrPrimitiveProcessor&); | 246 void setupPixelLocalStorage(const GrPipeline&, const GrPrimitiveProcessor&); |
244 | 247 |
245 static bool BlendCoeffReferencesConstant(GrBlendCoeff coeff); | 248 static bool BlendCoeffReferencesConstant(GrBlendCoeff coeff); |
246 | 249 |
247 class ProgramCache : public ::SkNoncopyable { | 250 class ProgramCache : public ::SkNoncopyable { |
248 public: | 251 public: |
249 ProgramCache(GrGLGpu* gpu); | 252 ProgramCache(GrGLGpu* gpu); |
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312 // Need not be called if flushRenderTarget is used. | 315 // Need not be called if flushRenderTarget is used. |
313 void flushViewport(const GrGLIRect&); | 316 void flushViewport(const GrGLIRect&); |
314 | 317 |
315 void flushStencil(const GrStencilSettings&); | 318 void flushStencil(const GrStencilSettings&); |
316 | 319 |
317 // rt is used only if useHWAA is true. | 320 // rt is used only if useHWAA is true. |
318 void flushHWAAState(GrRenderTarget* rt, bool useHWAA, bool stencilEnabled); | 321 void flushHWAAState(GrRenderTarget* rt, bool useHWAA, bool stencilEnabled); |
319 | 322 |
320 void flushMinSampleShading(float minSampleShading); | 323 void flushMinSampleShading(float minSampleShading); |
321 | 324 |
| 325 void flushFramebufferSRGB(bool enable); |
| 326 |
322 // helper for onCreateTexture and writeTexturePixels | 327 // helper for onCreateTexture and writeTexturePixels |
323 enum UploadType { | 328 enum UploadType { |
324 kNewTexture_UploadType, // we are creating a new texture | 329 kNewTexture_UploadType, // we are creating a new texture |
325 kWrite_UploadType, // we are using TexSubImage2D to copy data to
an existing texture | 330 kWrite_UploadType, // we are using TexSubImage2D to copy data to
an existing texture |
326 kTransfer_UploadType, // we are using a transfer buffer to copy dat
a | 331 kTransfer_UploadType, // we are using a transfer buffer to copy dat
a |
327 }; | 332 }; |
328 bool uploadTexData(const GrSurfaceDesc& desc, | 333 bool uploadTexData(const GrSurfaceDesc& desc, |
329 GrGLenum target, | 334 GrGLenum target, |
330 UploadType uploadType, | 335 UploadType uploadType, |
331 int left, int top, int width, int height, | 336 int left, int top, int width, int height, |
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358 // This must be paired with a call to unbindSurfaceFBOForCopy(). | 363 // This must be paired with a call to unbindSurfaceFBOForCopy(). |
359 void bindSurfaceFBOForCopy(GrSurface* surface, GrGLenum fboTarget, GrGLIRect
* viewport, | 364 void bindSurfaceFBOForCopy(GrSurface* surface, GrGLenum fboTarget, GrGLIRect
* viewport, |
360 TempFBOTarget tempFBOTarget); | 365 TempFBOTarget tempFBOTarget); |
361 | 366 |
362 // Must be called if bindSurfaceFBOForCopy was used to bind a surface for co
pying. | 367 // Must be called if bindSurfaceFBOForCopy was used to bind a surface for co
pying. |
363 void unbindTextureFBOForCopy(GrGLenum fboTarget, GrSurface* surface); | 368 void unbindTextureFBOForCopy(GrGLenum fboTarget, GrSurface* surface); |
364 | 369 |
365 SkAutoTUnref<GrGLContext> fGLContext; | 370 SkAutoTUnref<GrGLContext> fGLContext; |
366 | 371 |
367 bool createCopyProgram(int progIdx); | 372 bool createCopyProgram(int progIdx); |
| 373 bool createMipmapProgram(int progIdx); |
368 bool createWireRectProgram(); | 374 bool createWireRectProgram(); |
369 bool createPLSSetupProgram(); | 375 bool createPLSSetupProgram(); |
370 | 376 |
371 // GL program-related state | 377 // GL program-related state |
372 ProgramCache* fProgramCache; | 378 ProgramCache* fProgramCache; |
373 | 379 |
374 /////////////////////////////////////////////////////////////////////////// | 380 /////////////////////////////////////////////////////////////////////////// |
375 ///@name Caching of GL State | 381 ///@name Caching of GL State |
376 ///@{ | 382 ///@{ |
377 int fHWActiveTextureUnitIdx; | 383 int fHWActiveTextureUnitIdx; |
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525 | 531 |
526 /** IDs for copy surface program. */ | 532 /** IDs for copy surface program. */ |
527 struct { | 533 struct { |
528 GrGLuint fProgram; | 534 GrGLuint fProgram; |
529 GrGLint fTextureUniform; | 535 GrGLint fTextureUniform; |
530 GrGLint fTexCoordXformUniform; | 536 GrGLint fTexCoordXformUniform; |
531 GrGLint fPosXformUniform; | 537 GrGLint fPosXformUniform; |
532 } fCopyPrograms[3]; | 538 } fCopyPrograms[3]; |
533 SkAutoTUnref<GrGLBuffer> fCopyProgramArrayBuffer; | 539 SkAutoTUnref<GrGLBuffer> fCopyProgramArrayBuffer; |
534 | 540 |
| 541 /** IDs for texture mipmap program. (4 filter configurations) */ |
| 542 struct { |
| 543 GrGLuint fProgram; |
| 544 GrGLint fTextureUniform; |
| 545 GrGLint fTexCoordXformUniform; |
| 546 } fMipmapPrograms[4]; |
| 547 SkAutoTUnref<GrGLBuffer> fMipmapProgramArrayBuffer; |
| 548 |
535 struct { | 549 struct { |
536 GrGLuint fProgram; | 550 GrGLuint fProgram; |
537 GrGLint fColorUniform; | 551 GrGLint fColorUniform; |
538 GrGLint fRectUniform; | 552 GrGLint fRectUniform; |
539 } fWireRectProgram; | 553 } fWireRectProgram; |
540 SkAutoTUnref<GrGLBuffer> fWireRectArrayBuffer; | 554 SkAutoTUnref<GrGLBuffer> fWireRectArrayBuffer; |
541 | 555 |
542 static int TextureTargetToCopyProgramIdx(GrGLenum target) { | 556 static int TextureTargetToCopyProgramIdx(GrGLenum target) { |
543 switch (target) { | 557 switch (target) { |
544 case GR_GL_TEXTURE_2D: | 558 case GR_GL_TEXTURE_2D: |
545 return 0; | 559 return 0; |
546 case GR_GL_TEXTURE_EXTERNAL: | 560 case GR_GL_TEXTURE_EXTERNAL: |
547 return 1; | 561 return 1; |
548 case GR_GL_TEXTURE_RECTANGLE: | 562 case GR_GL_TEXTURE_RECTANGLE: |
549 return 2; | 563 return 2; |
550 default: | 564 default: |
551 SkFAIL("Unexpected texture target type."); | 565 SkFAIL("Unexpected texture target type."); |
552 return 0; | 566 return 0; |
553 } | 567 } |
554 } | 568 } |
555 | 569 |
| 570 static int TextureSizeToMipmapProgramIdx(int width, int height) { |
| 571 const bool wide = (width > 1) && SkToBool(width & 0x1); |
| 572 const bool tall = (height > 1) && SkToBool(height & 0x1); |
| 573 return (wide ? 0x2 : 0x0) | (tall ? 0x1 : 0x0); |
| 574 } |
| 575 |
556 struct { | 576 struct { |
557 GrGLuint fProgram; | 577 GrGLuint fProgram; |
558 GrGLint fPosXformUniform; | 578 GrGLint fPosXformUniform; |
559 SkAutoTUnref<GrGLBuffer> fArrayBuffer; | 579 SkAutoTUnref<GrGLBuffer> fArrayBuffer; |
560 } fPLSSetupProgram; | 580 } fPLSSetupProgram; |
561 | 581 |
562 bool fHWPLSEnabled; | 582 bool fHWPLSEnabled; |
563 bool fPLSHasBeenUsed; | 583 bool fPLSHasBeenUsed; |
564 | 584 |
565 float fHWMinSampleShading; | 585 float fHWMinSampleShading; |
566 | 586 |
567 typedef GrGpu INHERITED; | 587 typedef GrGpu INHERITED; |
568 friend class GrGLPathRendering; // For accessing setTextureUnit. | 588 friend class GrGLPathRendering; // For accessing setTextureUnit. |
569 }; | 589 }; |
570 | 590 |
571 #endif | 591 #endif |
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