Merge fix for 552999 to m48(Always use high precision on NDS transform)

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 54 matching lines @@
     
     bool mustDeclareFragmentShaderOutput() const {
         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;
@@ skipping 35 matching lines @@
     void onApplyOptionsOverrides(const GrContextOptions& options) override;
 
     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