Make GrGLSLProgramBuilder base class for ProgramBuilder

src/gpu/glsl/GrGLSLCaps.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef GrGLSLCaps_DEFINED
 #define GrGLSLCaps_DEFINED
@@ skipping 56 matching lines @@
         return fGLSLGeneration > k110_GrGLSLGeneration;
     }
 
     bool usesPrecisionModifiers() const { return fUsesPrecisionModifiers; }
 
     // Returns whether we can use the glsl funciton any() in our shader code.
     bool canUseAnyFunctionInShader() const { return fCanUseAnyFunctionInShader; }
 
     bool forceHighPrecisionNDSTransform() const { return fForceHighPrecisionNDSTransform; }
 
+    bool canUseMinAndAbsTogether() const { return fCanUseMinAndAbsTogether; }
+
+    bool mustForceNegatedAtanParamToFloat() const { return fMustForceNegatedAtanParamToFloat; }
+
     // Returns the string of an extension that must be enabled in the shader to support
     // derivatives. If nullptr is returned then no extension needs to be enabled. Before calling
     // this function, the caller should check that shaderDerivativeSupport exists.
     const char* shaderDerivativeExtensionString() const {
         SkASSERT(this->shaderDerivativeSupport());
         return fShaderDerivativeExtensionString;
     }
+    
+    // Returns the string of an extension that will do all necessary coord transfomations needed
+    // when reading the fragment position. If such an extension does not exisits, this function
+    // returns a nullptr, and all transforms of the frag position must be done manually in the
+    // shader.
+    const char* fragCoordConventionsExtensionString() const {
+        return fFragCoordConventionsExtensionString;
+    }
+
+    // This returns the name of an extension that must be enabled in the shader, if such a thing is
+    // required in order to use a secondary output in the shader. This returns a nullptr if no such
+    // extension is required. However, the return value of this function does not say whether dual
+    // source blending is supported.
+    const char* secondaryOutputExtensionString() const {
+        return fSecondaryOutputExtensionString;
+    }
 
     bool mustSwizzleInShader() const { return fMustSwizzleInShader; }
 
     /**
      * Returns a string which represents how to map from an internal GLFormat to a given
      * GrPixelConfig. The function mustSwizzleInShader determines whether this swizzle is applied
      * in the generated shader code or using sample state in the 3D API.
      */
     const char* getSwizzleMap(GrPixelConfig config) const { return fConfigSwizzle[config]; }
 
@@ skipping 10 matching lines @@
     GrGLSLGeneration fGLSLGeneration;
     
     bool fDropsTileOnZeroDivide : 1;
     bool fFBFetchSupport : 1;
     bool fFBFetchNeedsCustomOutput : 1;
     bool fBindlessTextureSupport : 1;
     bool fUsesPrecisionModifiers : 1;
     bool fCanUseAnyFunctionInShader : 1;
     bool fForceHighPrecisionNDSTransform : 1;
 
+    // Used for specific driver bug work arounds
+    bool fCanUseMinAndAbsTogether : 1;
+    bool fMustForceNegatedAtanParamToFloat : 1;
+
     const char* fVersionDeclString;
 
     const char* fShaderDerivativeExtensionString;
+    const char* fFragCoordConventionsExtensionString;
+    const char* fSecondaryOutputExtensionString;
 
     const char* fFBFetchColorName;
     const char* fFBFetchExtensionString;
 
     AdvBlendEqInteraction fAdvBlendEqInteraction;
 
     bool        fMustSwizzleInShader;
     const char* fConfigSwizzle[kGrPixelConfigCnt];
 
     friend class GrGLCaps;  // For initialization.
 
     typedef GrShaderCaps INHERITED;
 };
 
 
 #endif