added support for PLS path rendering

src/gpu/gl/GrGLProgram.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgram.h"
 
 #include "GrAllocator.h"
@@ skipping 71 matching lines @@
                           SkTArray<const GrTextureAccess*>* textureBindings) {
     this->setRenderTargetState(primProc, pipeline);
 
     // we set the textures, and uniforms for installed processors in a generic way, but subclasses
     // of GLProgram determine how to set coord transforms
     fGeometryProcessor->setData(fProgramDataManager, primProc);
     append_texture_bindings(primProc, textureBindings);
 
     this->setFragmentData(primProc, pipeline, textureBindings);
 
-    const GrXferProcessor& xp = pipeline.getXferProcessor();
-    fXferProcessor->setData(fProgramDataManager, xp);
-    append_texture_bindings(xp, textureBindings);
+    if (primProc.getPixelLocalStorageState() != 
+        GrPixelLocalStorageState::kDraw_GrPixelLocalStorageState) {
+        const GrXferProcessor& xp = pipeline.getXferProcessor();
+        fXferProcessor->setData(fProgramDataManager, xp);
+        append_texture_bindings(xp, textureBindings);
+    }
 }
 
 void GrGLProgram::setFragmentData(const GrPrimitiveProcessor& primProc,
                                   const GrPipeline& pipeline,
                                   SkTArray<const GrTextureAccess*>* textureBindings) {
     int numProcessors = fFragmentProcessors.count();
     for (int i = 0; i < numProcessors; ++i) {
         const GrFragmentProcessor& processor = pipeline.getFragmentProcessor(i);
         fFragmentProcessors[i]->setData(fProgramDataManager, processor);
         this->setTransformData(primProc, processor, i);
@@ skipping 30 matching lines @@
             fRenderTargetState.getRTAdjustmentVec(rtAdjustmentVec);
             fProgramDataManager.set4fv(fBuiltinUniformHandles.fRTAdjustmentUni, 1, rtAdjustmentVec);
         }
     } else {
         SkASSERT(fGpu->glCaps().shaderCaps()->pathRenderingSupport());
         const GrPathProcessor& pathProc = primProc.cast<GrPathProcessor>();
         fGpu->glPathRendering()->setProjectionMatrix(pathProc.viewMatrix(),
                                                      size, rt->origin());
     }
 }