Blacklist ARM from advanced blend

src/gpu/gl/GrGLCaps.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 "GrGLCaps.h"
 
@@ skipping 815 matching lines @@
     }
 }
 
 void GrGLCaps::initBlendEqationSupport(const GrGLContextInfo& ctxInfo) {
     GrGLSLCaps* glslCaps = static_cast<GrGLSLCaps*>(fShaderCaps.get());
 
     // Disabling advanced blend on various platforms with major known issues. We also block Chrome
     // for now until its own blacklists can be updated.
     if (kAdreno4xx_GrGLRenderer == ctxInfo.renderer() ||
         kIntel_GrGLDriver == ctxInfo.driver() ||
-        kChromium_GrGLDriver == ctxInfo.driver()) {
+        kChromium_GrGLDriver == ctxInfo.driver() ||
+        kARM_GrGLVendor == ctxInfo.vendor()) {
         return;
     }
 
     if (ctxInfo.hasExtension("GL_NV_blend_equation_advanced_coherent")) {
         fBlendEquationSupport = kAdvancedCoherent_BlendEquationSupport;
         glslCaps->fAdvBlendEqInteraction = GrGLSLCaps::kAutomatic_AdvBlendEqInteraction;
     } else if (ctxInfo.hasExtension("GL_KHR_blend_equation_advanced_coherent")) {
         fBlendEquationSupport = kAdvancedCoherent_BlendEquationSupport;
         glslCaps->fAdvBlendEqInteraction = GrGLSLCaps::kGeneralEnable_AdvBlendEqInteraction;
     } else if (kNVIDIA_GrGLDriver == ctxInfo.driver() &&
@@ skipping 328 matching lines @@
     if (fGeometryShaderSupport) {
         for (int p = 0; p < kGrSLPrecisionCount; ++p) {
             fFloatPrecisions[kGeometry_GrShaderType][p] = fFloatPrecisions[kVertex_GrShaderType][p];
         }
     }
 }