Refugee from Dead Machine 4: MDB Monster

src/gpu/GrXferProcessor.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrXferProcessor.h"
 #include "GrPipelineBuilder.h"
 #include "GrProcOptInfo.h"
 #include "gl/GrGLCaps.h"
 
-GrXferProcessor::GrXferProcessor()
+GrXferProcessor::GrXferProcessor(GrRenderTarget* dst)
     : fWillReadDstColor(false)
     , fDstReadUsesMixedSamples(false)
     , fReadsCoverage(true)
     , fDstTextureOffset() {
 }
 
 GrXferProcessor::GrXferProcessor(const DstTexture* dstTexture,
                                  bool willReadDstColor,
-                                 bool hasMixedSamples)
+                                 bool hasMixedSamples,
+                                 GrRenderTarget* dst)
     : fWillReadDstColor(willReadDstColor)
     , fDstReadUsesMixedSamples(willReadDstColor && hasMixedSamples)
     , fReadsCoverage(true)
     , fDstTextureOffset() {
     if (dstTexture && dstTexture->texture()) {
         SkASSERT(willReadDstColor);
-        fDstTexture.reset(dstTexture->texture());
+        fDstTexture.reset(dstTexture->texture(), GrTextureParams::kNone_FilterMode,SkShader::kClamp_TileMode, dst);
         fDstTextureOffset = dstTexture->offset();
         this->addTextureAccess(&fDstTexture);
         this->setWillReadFragmentPosition();
     }
 }
 
 GrXferProcessor::OptFlags GrXferProcessor::getOptimizations(const GrProcOptInfo& colorPOI,
                                                             const GrProcOptInfo& coveragePOI,
                                                             bool doesStencilWrite,
                                                             GrColor* overrideColor,
@@ skipping 157 matching lines @@
     return out;
 }
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GrXferProcessor* GrXPFactory::createXferProcessor(const GrProcOptInfo& colorPOI,
                                                   const GrProcOptInfo& coveragePOI,
                                                   bool hasMixedSamples,
                                                   const DstTexture* dstTexture,
-                                                  const GrCaps& caps) const {
+                                                  const GrCaps& caps, GrRenderTarget* dst) const {
 #ifdef SK_DEBUG
-    if (this->willReadDstColor(caps, colorPOI, coveragePOI, hasMixedSamples)) {
+    bool willReadDstColor = this->willReadDstColor(caps, colorPOI, coveragePOI, hasMixedSamples);
+
+    if (willReadDstColor) {
         if (!caps.shaderCaps()->dstReadInShaderSupport()) {
             SkASSERT(dstTexture && dstTexture->texture());
         } else {
             SkASSERT(!dstTexture || !dstTexture->texture()); 
         }
     } else {
         SkASSERT(!dstTexture || !dstTexture->texture()); 
     }
     SkASSERT(!hasMixedSamples || caps.shaderCaps()->dualSourceBlendingSupport());
 #endif
-    return this->onCreateXferProcessor(caps, colorPOI, coveragePOI, hasMixedSamples, dstTexture);
+    return this->onCreateXferProcessor(caps, colorPOI, coveragePOI, hasMixedSamples, dstTexture, dst);
 }
 
 bool GrXPFactory::willNeedDstTexture(const GrCaps& caps,
                                      const GrProcOptInfo& colorPOI,
                                      const GrProcOptInfo& coveragePOI,
                                      bool hasMixedSamples) const {
     return (this->willReadDstColor(caps, colorPOI, coveragePOI, hasMixedSamples) &&
             !caps.shaderCaps()->dstReadInShaderSupport());
 }