Breaking out full program and frag only

src/gpu/gl/builders/GrGLFragmentOnlyProgramBuilder.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 "GrGLFragmentOnlyProgramBuilder.h"
+#include "../GrGpuGL.h"
+
+GrGLFragmentOnlyProgramBuilder::GrGLFragmentOnlyProgramBuilder(GrGpuGL* gpu,
+                                                               const GrGLProgramDesc& desc)
+    : INHERITED(gpu, desc) {
+    SkASSERT(!desc.getHeader().fRequiresVertexShader);
+    SkASSERT(gpu->glCaps().pathRenderingSupport());
+    SkASSERT(GrGLProgramDesc::kAttribute_ColorInput != desc.getHeader().fColorInput);
+    SkASSERT(GrGLProgramDesc::kAttribute_ColorInput != desc.getHeader().fCoverageInput);
+}
+
+int GrGLFragmentOnlyProgramBuilder::addTexCoordSets(int count) {
+    int firstFreeCoordSet = fTexCoordSetCnt;
+    fTexCoordSetCnt += count;
+    SkASSERT(gpu()->glCaps().maxFixedFunctionTextureCoords() >= fTexCoordSetCnt);
+    return firstFreeCoordSet;
+}
+
+GrGLProgramEffects* GrGLFragmentOnlyProgramBuilder::createAndEmitEffects(
+        const GrEffectStage* effectStages[], int effectCnt,
+        const GrGLProgramDesc::EffectKeyProvider& keyProvider, GrGLSLExpr4* inOutFSColor) {
+
+    GrGLPathTexGenProgramEffectsBuilder pathTexGenEffectsBuilder(this,
+                                                                 effectCnt);
+    this->INHERITED::createAndEmitEffects(&pathTexGenEffectsBuilder,
+                                          effectStages,
+                                          effectCnt,
+                                          keyProvider,
+                                          inOutFSColor);
+    return pathTexGenEffectsBuilder.finish();
+}