Update how we send draws to gpu backend to reduce state setting.

src/gpu/glsl/GrGLSLProgramBuilder.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLSLProgramBuilder_DEFINED
 #define GrGLSLProgramBuilder_DEFINED
 
@@ skipping 17 matching lines @@
 class GrGLSLProgramBuilder {
 public:
     typedef GrGpu::DrawArgs DrawArgs;
     typedef GrGLSLUniformHandler::UniformHandle UniformHandle;
 
     virtual ~GrGLSLProgramBuilder() {}
 
     virtual const GrCaps* caps() const = 0;
     virtual const GrGLSLCaps* glslCaps() const = 0;
 
-    const GrPrimitiveProcessor& primitiveProcessor() const { return *fArgs.fPrimitiveProcessor; }
-    const GrPipeline& pipeline() const { return *fArgs.fPipeline; }
-    const GrProgramDesc& desc() const { return *fArgs.fDesc; }
-    const GrProgramDesc::KeyHeader& header() const { return fArgs.fDesc->header(); }
+    const GrPrimitiveProcessor& primitiveProcessor() const { return fPrimProc; }
+    const GrPipeline& pipeline() const { return fPipeline; }
+    const GrProgramDesc& desc() const { return fDesc; }
+    const GrProgramDesc::KeyHeader& header() const { return fDesc.header(); }
 
     void appendUniformDecls(GrShaderFlags visibility, SkString*) const;
 
     // Handles for program uniforms (other than per-effect uniforms)
     struct BuiltinUniformHandles {
         UniformHandle       fRTAdjustmentUni;
 
         // We use the render target height to provide a y-down frag coord when specifying
         // origin_upper_left is not supported.
         UniformHandle       fRTHeightUni;
@@ skipping 23 matching lines @@
 
     // number of each input/output type in a single allocation block, used by many builders
     static const int kVarsPerBlock;
 
     GrGLSLVertexBuilder         fVS;
     GrGLSLGeometryBuilder       fGS;
     GrGLSLFragmentShaderBuilder fFS;
 
     int fStageIndex;
 
-    const DrawArgs& fArgs;
+    const GrPipeline&           fPipeline;
+    const GrPrimitiveProcessor& fPrimProc;
+    const GrProgramDesc&        fDesc;
 
     BuiltinUniformHandles fUniformHandles;
 
     GrGLSLPrimitiveProcessor* fGeometryProcessor;
     GrGLSLXferProcessor* fXferProcessor;
     GrGLSLFragProcs fFragmentProcessors;
 
 protected:
-    explicit GrGLSLProgramBuilder(const DrawArgs& args);
+    explicit GrGLSLProgramBuilder(const GrPipeline&,
+                                  const GrPrimitiveProcessor&,
+                                  const GrProgramDesc&);
 
     void addFeature(GrShaderFlags shaders, uint32_t featureBit, const char* extensionName);
 
     bool emitAndInstallProcs(GrGLSLExpr4* inputColor, GrGLSLExpr4* inputCoverage);
 
     void cleanupFragmentProcessors();
 
     void finalizeShaders();
 
     SkTArray<UniformHandle> fSamplerUniforms;
@@ skipping 50 matching lines @@
 #endif
 
     GrGLSLPrimitiveProcessor::TransformsIn     fCoordTransforms;
     GrGLSLPrimitiveProcessor::TransformsOut    fOutCoords;
     int                                        fNumVertexSamplers;
     int                                        fNumGeometrySamplers;
     int                                        fNumFragmentSamplers;
 };
 
 #endif