Adds support for EXT_framebuffer_multisample...

gpu/command_buffer/service/context_group_unittest.cc

 // Copyright (c) 2010 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/context_group.h"
 #include "app/gfx/gl/gl_mock.h"
 #include "base/scoped_ptr.h"
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "gpu/GLES2/gles2_command_buffer.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 104 matching lines @@
   EXPECT_EQ(0u, group_.max_vertex_texture_image_units());
   EXPECT_EQ(0u, group_.max_fragment_uniform_vectors());
   EXPECT_EQ(0u, group_.max_varying_vectors());
   EXPECT_EQ(0u, group_.max_vertex_uniform_vectors());
   EXPECT_TRUE(group_.buffer_manager() == NULL);
   EXPECT_TRUE(group_.framebuffer_manager() == NULL);
   EXPECT_TRUE(group_.renderbuffer_manager() == NULL);
   EXPECT_TRUE(group_.texture_manager() == NULL);
   EXPECT_TRUE(group_.program_manager() == NULL);
   EXPECT_TRUE(group_.shader_manager() == NULL);
+  EXPECT_FALSE(group_.extension_flags().ext_framebuffer_multisample);
 }
 
 TEST_F(ContextGroupTest, InitializeNoExtensions) {
   SetupInitExpectations("");
   group_.Initialize();
   // Check a couple of random extensions that should not be there.
   EXPECT_THAT(group_.extensions(), Not(HasSubstr("GL_OES_texture_npot")));
   EXPECT_THAT(group_.extensions(),
               Not(HasSubstr("GL_EXT_texture_compression_dxt1")));
   EXPECT_FALSE(group_.texture_manager()->npot_ok());
@@ skipping 144 matching lines @@
   EXPECT_THAT(group_.extensions(), Not(HasSubstr("GL_OES_texture_float")));
   EXPECT_THAT(group_.extensions(), HasSubstr("GL_OES_texture_half_float"));
   EXPECT_THAT(group_.extensions(),
               Not(HasSubstr("GL_OES_texture_float_linear")));
   EXPECT_THAT(group_.extensions(),
               HasSubstr("GL_OES_texture_half_float_linear"));
   EXPECT_FALSE(group_.validators()->pixel_type.IsValid(GL_FLOAT));
   EXPECT_TRUE(group_.validators()->pixel_type.IsValid(GL_HALF_FLOAT_OES));
 }
 
+TEST_F(ContextGroupTest, InitializeEXT_framebuffer_multisample) {
+  SetupInitExpectations("GL_EXT_framebuffer_multisample");
+  group_.Initialize();
+  EXPECT_TRUE(group_.extension_flags().ext_framebuffer_multisample);
+  EXPECT_THAT(group_.extensions(), HasSubstr("GL_EXT_framebuffer_multisample"));
+  EXPECT_THAT(group_.extensions(), HasSubstr("GL_EXT_framebuffer_blit"));
+  EXPECT_TRUE(group_.validators()->frame_buffer_target.IsValid(
+      GL_READ_FRAMEBUFFER_EXT));
+  EXPECT_TRUE(group_.validators()->frame_buffer_target.IsValid(
+      GL_DRAW_FRAMEBUFFER_EXT));
+  EXPECT_TRUE(group_.validators()->g_l_state.IsValid(
+      GL_READ_FRAMEBUFFER_BINDING_EXT));
+  EXPECT_TRUE(group_.validators()->g_l_state.IsValid(
+      GL_DRAW_FRAMEBUFFER_BINDING_EXT));
+  EXPECT_TRUE(group_.validators()->render_buffer_parameter.IsValid(
+      GL_MAX_SAMPLES_EXT));
+}
+
 }  // namespace gles2
 }  // namespace gpu