Revert of gl programs rewrite

src/gpu/GrDrawState.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDrawState.h"
 
 #include "GrOptDrawState.h"
@@ skipping 386 matching lines @@
     if (this->isCoverageDrawing()) {
         return true;
     }
 
     GrProcessor::InvariantOutput inout;
     inout.fIsSingleComponent = false;
     // Initialize to an unknown starting coverage if per-vertex coverage is specified.
     if (this->hasCoverageVertexAttribute()) {
         inout.fValidFlags = 0;
     } else {
-        inout.fColor = this->getCoverageColor();
+        inout.fColor = fCoverage;
         inout.fValidFlags = kRGBA_GrColorComponentFlags;
     }
 
     // Run through the coverage stages and see if the coverage will be all ones at the end.
     if (this->hasGeometryProcessor()) {
         const GrGeometryProcessor* gp = fGeometryProcessor->getGeometryProcessor();
         gp->computeInvariantOutput(&inout);
     }
-
     for (int s = 0; s < this->numCoverageStages(); ++s) {
         const GrProcessor* processor = this->getCoverageStage(s).getProcessor();
         processor->computeInvariantOutput(&inout);
     }
     return inout.isSolidWhite();
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GrDrawState::AutoVertexAttribRestore::AutoVertexAttribRestore(GrDrawState* drawState) {
@@ skipping 207 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 
 GrDrawState::~GrDrawState() {
     SkSafeUnref(fCachedOptState);
     SkASSERT(0 == fBlockEffectRemovalCnt);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 GrDrawState::BlendOptFlags GrDrawState::getBlendOpts(bool forceCoverage,
-                                                     GrBlendCoeff* srcCoeff,
-                                                     GrBlendCoeff* dstCoeff) const {
+                                                         GrBlendCoeff* srcCoeff,
+                                                         GrBlendCoeff* dstCoeff) const {
     GrBlendCoeff bogusSrcCoeff, bogusDstCoeff;
     if (NULL == srcCoeff) {
         srcCoeff = &bogusSrcCoeff;
     }
     if (NULL == dstCoeff) {
         dstCoeff = &bogusDstCoeff;
     }
 
     *srcCoeff = this->getSrcBlendCoeff();
     *dstCoeff = this->getDstBlendCoeff();
@@ skipping 121 matching lines @@
         }
 
         // Since the shader will multiply coverage and color, the only way the final A==1 is if
         // coverage and color both have A==1.
         return (inoutColor.isOpaque() && inoutCoverage.isOpaque());
     }
 
     return inoutColor.isOpaque();
 }