Work around for nexus 6 TexSubImage issue

src/gpu/GrCaps.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 "GrCaps.h"
 #include "GrContextOptions.h"
@@ skipping 91 matching lines @@
     fMaxTextureSize = 0;
     fMinTextureSize = 0;
     fMaxSampleCount = 0;
 
     memset(fConfigRenderSupport, 0, sizeof(fConfigRenderSupport));
     memset(fConfigTextureSupport, 0, sizeof(fConfigTextureSupport));
 
     fSupressPrints = options.fSuppressPrints;
     fDrawPathMasksToCompressedTextureSupport = options.fDrawPathToCompressedTexture;
     fGeometryBufferMapThreshold = options.fGeometryBufferMapThreshold;
+    fUseDrawInsteadOfPartialRenderTargetWrite = options.fUseDrawInsteadOfPartialRenderTargetWrite;
 }
 
 void GrCaps::applyOptionsOverrides(const GrContextOptions& options) {
     fMaxTextureSize = SkTMin(fMaxTextureSize, options.fMaxTextureSizeOverride);
     fMinTextureSize = SkTMax(fMinTextureSize, options.fMinTextureSizeOverride);
 }
 
 static SkString map_flags_to_string(uint32_t flags) {
     SkString str;
     if (GrCaps::kNone_MapFlags == flags) {
@@ skipping 21 matching lines @@
     r.appendf("NPOT Texture Tile Support          : %s\n", gNY[fNPOTTextureTileSupport]);
     r.appendf("Two Sided Stencil Support          : %s\n", gNY[fTwoSidedStencilSupport]);
     r.appendf("Stencil Wrap Ops  Support          : %s\n", gNY[fStencilWrapOpsSupport]);
     r.appendf("Discard Render Target Support      : %s\n", gNY[fDiscardRenderTargetSupport]);
     r.appendf("Reuse Scratch Textures             : %s\n", gNY[fReuseScratchTextures]);
     r.appendf("Gpu Tracing Support                : %s\n", gNY[fGpuTracingSupport]);
     r.appendf("Compressed Update Support          : %s\n", gNY[fCompressedTexSubImageSupport]);
     r.appendf("Oversized Stencil Support          : %s\n", gNY[fOversizedStencilSupport]);
     r.appendf("Texture Barrier Support            : %s\n", gNY[fTextureBarrierSupport]);
     r.appendf("Draw Instead of Clear [workaround] : %s\n", gNY[fUseDrawInsteadOfClear]);
+    r.appendf("Draw Instead of TexSubImage [workaround] : %s\n",
+              gNY[fUseDrawInsteadOfPartialRenderTargetWrite]);
     if (this->advancedBlendEquationSupport()) {
         r.appendf("Advanced Blend Equation Blacklist  : 0x%x\n", fAdvBlendEqBlacklist);
     }
 
     r.appendf("Max Texture Size                   : %d\n", fMaxTextureSize);
     r.appendf("Min Texture Size                   : %d\n", fMinTextureSize);
     r.appendf("Max Render Target Size             : %d\n", fMaxRenderTargetSize);
     r.appendf("Max Sample Count                   : %d\n", fMaxSampleCount);
 
     static const char* kBlendEquationSupportNames[] = {
@@ skipping 58 matching lines @@
     SkASSERT(!fConfigTextureSupport[kUnknown_GrPixelConfig]);
 
     for (size_t i = 1; i < SK_ARRAY_COUNT(kConfigNames); ++i)  {
         r.appendf("%s is uploadable to a texture: %s\n",
                   kConfigNames[i],
                   gNY[fConfigTextureSupport[i]]);
     }
 
     return r;
 }