Disable framebuffer fetch on the Adreno5xx devices.

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 639 matching lines @@
         else if (ctxInfo.hasExtension("GL_ARM_shader_framebuffer_fetch")) {
             // The arm extension also requires an additional flag which we will set onResetContext
             glslCaps->fFBFetchNeedsCustomOutput = false;
             glslCaps->fFBFetchSupport = true;
             glslCaps->fFBFetchColorName = "gl_LastFragColorARM";
             glslCaps->fFBFetchExtensionString = "GL_ARM_shader_framebuffer_fetch";
         }
         glslCaps->fUsesPrecisionModifiers = true;
     }
 
+    // Currently the extension is advertised but fb fetch is broken on 500 series Adrenos like the
+    // Galaxy S7.
+    // TODO: Once this is fixed we can update the check here to look at a driver version number too.
+    if (kAdreno5xx_GrGLRenderer == ctxInfo.renderer()) {
+        glslCaps->fFBFetchSupport = false;
+    }
+
     glslCaps->fBindlessTextureSupport = ctxInfo.hasExtension("GL_NV_bindless_texture");
 
     if (kGL_GrGLStandard == standard) {
         glslCaps->fFlatInterpolationSupport = ctxInfo.glslGeneration() >= k130_GrGLSLGeneration;
     } else {
         glslCaps->fFlatInterpolationSupport =
             ctxInfo.glslGeneration() >= k330_GrGLSLGeneration; // This is the value for GLSL ES 3.0.
     }
 
     if (kGL_GrGLStandard == standard) {
@@ skipping 1284 matching lines @@
 void GrGLCaps::onApplyOptionsOverrides(const GrContextOptions& options) {
     if (options.fEnableInstancedRendering) {
         fInstancedSupport = gr_instanced::GLInstancedRendering::CheckSupport(*this);
 #ifndef SK_BUILD_FOR_MAC
         // OS X doesn't seem to write correctly to floating point textures when using
         // glDraw*Indirect, regardless of the underlying GPU.
         fAvoidInstancedDrawsToFPTargets = true;
 #endif
     }
 }