Use vertexless shaders when NVpr is available

tests/GLProgramsTest.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.
  */
 
 // This is a GPU-backend specific test. It relies on static intializers to work
 
@@ skipping 60 matching lines @@
     header->fDiscardIfZeroCoverage = random->nextBool();
 
     bool useLocalCoords = random->nextBool() && currAttribIndex < GrDrawState::kMaxVertexAttribCnt;
     header->fLocalCoordAttributeIndex = useLocalCoords ? currAttribIndex++ : -1;
 
     header->fColorEffectCnt = numColorStages;
     header->fCoverageEffectCnt = numCoverageStages;
 
     bool dstRead = false;
     bool fragPos = false;
+    bool vertexCode = false;
     int numStages = numColorStages + numCoverageStages;
     for (int s = 0; s < numStages; ++s) {
         const GrBackendEffectFactory& factory = (*stages[s]->getEffect())->getFactory();
         GrDrawEffect drawEffect(*stages[s], useLocalCoords);
         this->effectKeys()[s] = factory.glEffectKey(drawEffect, gpu->glCaps());
         if ((*stages[s]->getEffect())->willReadDstColor()) {
             dstRead = true;
         }
         if ((*stages[s]->getEffect())->willReadFragmentPosition()) {
             fragPos = true;
         }
+        if ((*stages[s]->getEffect())->hasVertexCode()) {
+            vertexCode = true;
+        }
     }
 
     if (dstRead) {
         header->fDstReadKey = GrGLShaderBuilder::KeyForDstRead(dstCopyTexture, gpu->glCaps());
     } else {
         header->fDstReadKey = 0;
     }
     if (fragPos) {
         header->fFragPosKey = GrGLShaderBuilder::KeyForFragmentPosition(dstRenderTarget,
                                                                          gpu->glCaps());
     } else {
         header->fFragPosKey = 0;
     }
 
+    header->fHasVertexCode = vertexCode ||
+                             useLocalCoords ||
+                             kAttribute_ColorInput == header->fColorInput ||
+                             kAttribute_ColorInput == header->fCoverageInput;
+
     CoverageOutput coverageOutput;
     bool illegalCoverageOutput;
     do {
         coverageOutput = static_cast<CoverageOutput>(random->nextULessThan(kCoverageOutputCnt));
         illegalCoverageOutput = (!gpu->caps()->dualSourceBlendingSupport() &&
                                  CoverageOutputUsesSecondaryOutput(coverageOutput)) ||
                                 (!dstRead && kCombineWithDst_CoverageOutput == coverageOutput);
     } while (illegalCoverageOutput);
 
     header->fCoverageOutput = coverageOutput;
@@ skipping 125 matching lines @@
     GrConfigConversionEffect::Create(NULL,
                                      false,
                                      GrConfigConversionEffect::kNone_PMConversion,
                                      SkMatrix::I());
     SkScalar matrix[20];
     SkColorMatrixFilter cmf(matrix);
     SkBitmapAlphaThresholdShader::Create(SkBitmap(), SkRegion(), 0x80);
 }
 
 #endif