Move copy-surface-as-draw fallback to GrGLGpu.

src/gpu/gl/builders/GrGLProgramBuilder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgramBuilder.h"
 
 #include "gl/GrGLGeometryProcessor.h"
@@ skipping 325 matching lines @@
     SkASSERT(!fXferProcessor);
     fXferProcessor = SkNEW(GrGLInstalledXferProc);
 
     fXferProcessor->fGLProc.reset(xp.createGLInstance());
 
     // Enable dual source secondary output if we have one
     if (xp.hasSecondaryOutput()) {
         fFS.enableSecondaryOutput();
     }
 
-    // On any post 1.10 GLSL supporting GPU, we declare custom output
-    if (k110_GrGLSLGeneration != fFS.fProgramBuilder->gpu()->glslGeneration()) {
+    if (this->ctxInfo().caps()->glslCaps()->mustDeclareFragmentShaderOutput()) {
         fFS.enableCustomOutput();
     }
 
     SkString openBrace;
     openBrace.printf("{ // Xfer Processor: %s\n", xp.name());
     fFS.codeAppend(openBrace.c_str());
 
     SkSTArray<4, GrGLProcessor::TextureSampler> samplers(xp.numTextures());
     this->emitSamplers(xp, &samplers, fXferProcessor);
 
@@ skipping 145 matching lines @@
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() {
     int numProcs = fProcs.count();
     for (int e = 0; e < numProcs; ++e) {
         SkDELETE(fProcs[e]);
     }
 }