Fix BGRA for ES3 RenderbufferStorageMultisample

ui/gl/gl_gl_api_implementation.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gl/gl_gl_api_implementation.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/stl_util.h"
@@ skipping 256 matching lines @@
 // GL_CHROMIUM_renderbuffer_format_BGRA8888 support is added to ANGLE then the
 // ANGLE version should also be customized.
 static void GL_BINDING_CALL CustomRenderbufferStorageMultisampleEXT(
     GLenum target, GLsizei samples, GLenum internalformat, GLsizei width,
     GLsizei height) {
   GLenum gl_internal_format = GetInternalFormat(internalformat);
   g_driver_gl.orig_fn.glRenderbufferStorageMultisampleEXTFn(
       target, samples, gl_internal_format, width, height);
 }
 
+static void GL_BINDING_CALL
+CustomRenderbufferStorageMultisample(GLenum target,
+                                     GLsizei samples,
+                                     GLenum internalformat,
+                                     GLsizei width,
+                                     GLsizei height) {
+  GLenum gl_internal_format = GetInternalFormat(internalformat);
+  g_driver_gl.orig_fn.glRenderbufferStorageMultisampleFn(
+      target, samples, gl_internal_format, width, height);
+}
+
 }  // anonymous namespace
 
 void DriverGL::InitializeCustomDynamicBindings(GLContext* context) {
   InitializeDynamicBindings(context);
 
   DCHECK(orig_fn.glTexImage2DFn == NULL);
   orig_fn.glTexImage2DFn = fn.glTexImage2DFn;
   fn.glTexImage2DFn =
       reinterpret_cast<glTexImage2DProc>(CustomTexImage2D);
 
@@ skipping 12 matching lines @@
   fn.glRenderbufferStorageEXTFn =
       reinterpret_cast<glRenderbufferStorageEXTProc>(
       CustomRenderbufferStorageEXT);
 
   DCHECK(orig_fn.glRenderbufferStorageMultisampleEXTFn == NULL);
   orig_fn.glRenderbufferStorageMultisampleEXTFn =
       fn.glRenderbufferStorageMultisampleEXTFn;
   fn.glRenderbufferStorageMultisampleEXTFn =
       reinterpret_cast<glRenderbufferStorageMultisampleEXTProc>(
       CustomRenderbufferStorageMultisampleEXT);
+
+  DCHECK(orig_fn.glRenderbufferStorageMultisampleFn == NULL);
+  orig_fn.glRenderbufferStorageMultisampleFn =
+      fn.glRenderbufferStorageMultisampleFn;
+  fn.glRenderbufferStorageMultisampleFn =
+      reinterpret_cast<glRenderbufferStorageMultisampleProc>(
+          CustomRenderbufferStorageMultisample);
 }
 
 static void GL_BINDING_CALL NullDrawClearFn(GLbitfield mask) {
   if (!g_driver_gl.null_draw_bindings_enabled)
     g_driver_gl.orig_fn.glClearFn(mask);
 }
 
 static void GL_BINDING_CALL
 NullDrawDrawArraysFn(GLenum mode, GLint first, GLsizei count) {
   if (!g_driver_gl.null_draw_bindings_enabled)
@@ skipping 249 matching lines @@
 TraceGLApi::~TraceGLApi() {
 }
 
 NoContextGLApi::NoContextGLApi() {
 }
 
 NoContextGLApi::~NoContextGLApi() {
 }
 
 }  // namespace gl