Revert "Revert of Move copy-surface-as-draw fallback to GrGLGpu. (patchset #12 id:220001 of https:/…

src/gpu/gl/GrGLGpuProgramCache.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.
  */
 
 #include "GrGLGpu.h"
 
 #include "builders/GrGLProgramBuilder.h"
@@ skipping 72 matching lines @@
         SkDELETE(fEntries[i]);
     }
     fCount = 0;
 }
 
 int GrGLGpu::ProgramCache::search(const GrProgramDesc& desc) const {
     ProgDescLess less;
     return SkTSearch(fEntries, fCount, desc, sizeof(Entry*), less);
 }
 
-GrGLProgram* GrGLGpu::ProgramCache::getProgram(const DrawArgs& args) {
+GrGLProgram* GrGLGpu::ProgramCache::refProgram(const DrawArgs& args) {
 #ifdef PROGRAM_CACHE_STATS
     ++fTotalRequests;
 #endif
 
     Entry* entry = NULL;
 
     uint32_t hashIdx = args.fDesc->getChecksum();
     hashIdx ^= hashIdx >> 16;
     if (kHashBits <= 8) {
         hashIdx ^= hashIdx >> 8;
@@ skipping 82 matching lines @@
     fHashTable[hashIdx] = entry;
     entry->fLRUStamp = fCurrLRUStamp;
 
     if (SK_MaxU32 == fCurrLRUStamp) {
         // wrap around! just trash our LRU, one time hit.
         for (int i = 0; i < fCount; ++i) {
             fEntries[i]->fLRUStamp = 0;
         }
     }
     ++fCurrLRUStamp;
-    return entry->fProgram;
+    return SkRef(entry->fProgram.get());
 }