Use BRGA as internal format on later iOS

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 830 matching lines @@
         }
     }
 
     // Check for BGRA
     if (kGL_GrGLStandard == standard) {
         fConfigTextureSupport[kBGRA_8888_GrPixelConfig] =
             version >= GR_GL_VER(1,2) || ctxInfo.hasExtension("GL_EXT_bgra");
     } else {
         if (ctxInfo.hasExtension("GL_APPLE_texture_format_BGRA8888")) {
             fConfigTextureSupport[kBGRA_8888_GrPixelConfig] = true;
+            if (version >= GR_GL_VER(3,0) || ctxInfo.hasExtension("GL_EXT_texture_storage")) {
+                fBGRAIsInternalFormat = true;
+            }
         } else if (ctxInfo.hasExtension("GL_EXT_texture_format_BGRA8888")) {
             fConfigTextureSupport[kBGRA_8888_GrPixelConfig] = true;
             fBGRAIsInternalFormat = true;
         }
         SkASSERT(fConfigTextureSupport[kBGRA_8888_GrPixelConfig] ||
                  kSkia8888_GrPixelConfig != kBGRA_8888_GrPixelConfig);
     }
 
     fConfigTextureSupport[kSRGBA_8888_GrPixelConfig] = srgbSupport;
     
@@ skipping 483 matching lines @@
     glslCaps->fConfigSwizzle[kR11_EAC_GrPixelConfig] = "rrrr";
     glslCaps->fConfigSwizzle[kASTC_12x12_GrPixelConfig] = "rgba";
     glslCaps->fConfigSwizzle[kRGBA_float_GrPixelConfig] = "rgba";
     glslCaps->fConfigSwizzle[kRGBA_half_GrPixelConfig] = "rgba";
 
 }
 
 void GrGLCaps::onApplyOptionsOverrides(const GrContextOptions& options) {}