Manually generated sRGB mipmaps.

src/gpu/gl/GrGLGpu.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLGpu_DEFINED
 #define GrGLGpu_DEFINED
 
@@ skipping 44 matching lines @@
     }
 
     void discard(GrRenderTarget*) override;
 
     // Used by GrGLProgram to configure OpenGL state.
     void bindTexture(int unitIdx, const GrTextureParams& params, bool allowSRGBInputs,
                      GrGLTexture* texture);
 
     void bindTexelBuffer(int unitIdx, intptr_t offsetInBytes, GrPixelConfig, GrGLBuffer*);
 
+    void generateMipmaps(const GrTextureParams& params, bool allowSRGBInputs, GrGLTexture* texture);
+
     bool onGetReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeight, size_t rowBytes,
                              GrPixelConfig readConfig, DrawPreference*,
                              ReadPixelTempDrawInfo*) override;
 
     bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height,
                               GrPixelConfig srcConfig, DrawPreference*,
                               WritePixelTempDrawInfo*) override;
 
     bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) const override;
 
@@ skipping 155 matching lines @@
                            const SkIRect& srcRect,
                            const SkIPoint& dstPoint);
     void copySurfaceAsCopyTexSubImage(GrSurface* dst,
                                       GrSurface* src,
                                       const SkIRect& srcRect,
                                       const SkIPoint& dstPoint);
     bool copySurfaceAsBlitFramebuffer(GrSurface* dst,
                                       GrSurface* src,
                                       const SkIRect& srcRect,
                                       const SkIPoint& dstPoint);
+    bool generateMipmap(GrGLTexture* texture, bool gammaCorrect);
 
     void stampPLSSetupRect(const SkRect& bounds);
 
     void setupPixelLocalStorage(const GrPipeline&, const GrPrimitiveProcessor&);
 
     static bool BlendCoeffReferencesConstant(GrBlendCoeff coeff);
 
     class ProgramCache : public ::SkNoncopyable {
     public:
         ProgramCache(GrGLGpu* gpu);
@@ skipping 62 matching lines @@
     // Need not be called if flushRenderTarget is used.
     void flushViewport(const GrGLIRect&);
 
     void flushStencil(const GrStencilSettings&);
 
     // rt is used only if useHWAA is true.
     void flushHWAAState(GrRenderTarget* rt, bool useHWAA, bool stencilEnabled);
 
     void flushMinSampleShading(float minSampleShading);
 
+    void flushFramebufferSRGB(bool enable);
+
     // helper for onCreateTexture and writeTexturePixels
     enum UploadType {
         kNewTexture_UploadType,    // we are creating a new texture
         kWrite_UploadType,         // we are using TexSubImage2D to copy data to an existing texture
         kTransfer_UploadType,      // we are using a transfer buffer to copy data
     };
     bool uploadTexData(const GrSurfaceDesc& desc,
                        GrGLenum target,
                        UploadType uploadType,
                        int left, int top, int width, int height,
@@ skipping 230 matching lines @@
     bool fHWPLSEnabled;
     bool fPLSHasBeenUsed;
 
     float fHWMinSampleShading;
 
     typedef GrGpu INHERITED;
     friend class GrGLPathRendering; // For accessing setTextureUnit.
 };
 
 #endif