cc, gpu: Use RGBA when using msaa on systems that don't support BGRA

gpu/command_buffer/service/feature_info_unittest.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 "gpu/command_buffer/service/feature_info.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "gpu/command_buffer/service/gpu_service_test.h"
@@ skipping 322 matching lines @@
 TEST_P(FeatureInfoTest, InitializeEXT_texture_format_BGRA8888GLES2) {
   SetupInitExpectations("GL_EXT_texture_format_BGRA8888");
   EXPECT_THAT(info_->extensions(),
               HasSubstr("GL_EXT_texture_format_BGRA8888"));
   EXPECT_TRUE(info_->validators()->texture_format.IsValid(
       GL_BGRA_EXT));
   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
       GL_BGRA_EXT));
   EXPECT_FALSE(info_->validators()->render_buffer_format.IsValid(
       GL_BGRA8_EXT));
+  EXPECT_FALSE(info_->feature_flags().ext_render_buffer_format_bgra8888);
 }
 
 TEST_P(FeatureInfoTest, InitializeEXT_texture_format_BGRA8888GL) {
   SetupInitExpectations("GL_EXT_bgra");
   EXPECT_THAT(info_->extensions(),
               HasSubstr("GL_EXT_texture_format_BGRA8888"));
   EXPECT_THAT(info_->extensions(),
               HasSubstr("GL_EXT_read_format_bgra"));
   EXPECT_THAT(info_->extensions(),
               HasSubstr("GL_CHROMIUM_renderbuffer_format_BGRA8888"));
+  EXPECT_TRUE(info_->feature_flags().ext_render_buffer_format_bgra8888);
   EXPECT_TRUE(info_->validators()->texture_format.IsValid(
       GL_BGRA_EXT));
   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
       GL_BGRA_EXT));
   EXPECT_TRUE(info_->validators()->read_pixel_format.IsValid(
       GL_BGRA_EXT));
   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(
       GL_BGRA8_EXT));
 }
 
 TEST_P(FeatureInfoTest, InitializeEXT_texture_format_BGRA8888Apple) {
   SetupInitExpectations("GL_APPLE_texture_format_BGRA8888");
   EXPECT_THAT(info_->extensions(),
               HasSubstr("GL_EXT_texture_format_BGRA8888"));
   EXPECT_TRUE(info_->validators()->texture_format.IsValid(
       GL_BGRA_EXT));
   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(
       GL_BGRA_EXT));
   EXPECT_FALSE(info_->validators()->render_buffer_format.IsValid(
       GL_BGRA8_EXT));
+  EXPECT_FALSE(info_->feature_flags().ext_render_buffer_format_bgra8888);
 }
 
 TEST_P(FeatureInfoTest, InitializeEXT_read_format_bgra) {
   SetupInitExpectations("GL_EXT_read_format_bgra");
   EXPECT_THAT(info_->extensions(),
               HasSubstr("GL_EXT_read_format_bgra"));
   EXPECT_FALSE(info_->validators()->texture_format.IsValid(
       GL_BGRA_EXT));
   EXPECT_FALSE(info_->validators()->texture_internal_format.IsValid(
       GL_BGRA_EXT));
   EXPECT_TRUE(info_->validators()->read_pixel_format.IsValid(
       GL_BGRA_EXT));
   EXPECT_FALSE(info_->validators()->render_buffer_format.IsValid(
       GL_BGRA8_EXT));
+  EXPECT_FALSE(info_->feature_flags().ext_render_buffer_format_bgra8888);
 }
 
 TEST_P(FeatureInfoTest, InitializeEXT_sRGB) {
   SetupInitExpectations("GL_EXT_sRGB GL_OES_rgb8_rgba8");
   EXPECT_THAT(info_->extensions(),
               HasSubstr("GL_EXT_sRGB"));
   EXPECT_TRUE(info_->validators()->texture_format.IsValid(
       GL_SRGB_EXT));
   EXPECT_TRUE(info_->validators()->texture_format.IsValid(
       GL_SRGB_ALPHA_EXT));
@@ skipping 188 matching lines @@
               Not(HasSubstr("GL_EXT_texture_format_BGRA8888")));
 }
 
 // 9- ANGLE will add the GL_CHROMIUM_renderbuffer_format_BGRA8888 extension and
 // the GL_BGRA8_EXT render buffer format.
 TEST_P(FeatureInfoTest, InitializeWithANGLE_BGRA8) {
   SetupInitExpectationsWithGLVersion("", kGLRendererStringANGLE, "");
   EXPECT_TRUE(info_->gl_version_info().is_angle);
   EXPECT_THAT(info_->extensions(),
               HasSubstr("GL_CHROMIUM_renderbuffer_format_BGRA8888"));
+  EXPECT_TRUE(info_->feature_flags().ext_render_buffer_format_bgra8888);
   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(GL_BGRA8_EXT));
 }
 
 // 10- vanilla opengl es means no GL_CHROMIUM_renderbuffer_format_BGRA8888
 TEST_P(FeatureInfoTest,
        InitializeGLES2_no_CHROMIUM_renderbuffer_format_BGRA8888) {
   SetupInitExpectationsWithGLVersion("", "", "OpenGL ES 2.0");
+  EXPECT_FALSE(info_->feature_flags().ext_render_buffer_format_bgra8888);
   EXPECT_THAT(info_->extensions(),
               Not(HasSubstr("GL_CHROMIUM_renderbuffer_format_BGRA8888")));
 }
 
 TEST_P(FeatureInfoTest, InitializeARB_texture_float) {
   SetupInitExpectations("GL_ARB_texture_float");
   EXPECT_TRUE(info_->feature_flags().chromium_color_buffer_float_rgba);
   EXPECT_TRUE(info_->feature_flags().chromium_color_buffer_float_rgb);
   std::string extensions = info_->extensions() + " ";
   EXPECT_THAT(extensions, HasSubstr("GL_CHROMIUM_color_buffer_float_rgb "));
@@ skipping 661 matching lines @@
   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(GL_RED_EXT));
   EXPECT_TRUE(info_->validators()->texture_internal_format.IsValid(GL_RG_EXT));
   EXPECT_TRUE(info_->validators()->read_pixel_format.IsValid(GL_RED_EXT));
   EXPECT_TRUE(info_->validators()->read_pixel_format.IsValid(GL_RG_EXT));
   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(GL_R8_EXT));
   EXPECT_TRUE(info_->validators()->render_buffer_format.IsValid(GL_RG8_EXT));
 }
 
 }  // namespace gles2
 }  // namespace gpu