Add GL_EXT_multisampled_render_to_texture support to command buffer.

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_switches.h"
@@ skipping 59 matching lines @@
    GLenum format;
    const GLenum* types;
    size_t count;
 };
 
 }  // anonymous namespace.
 
 TEST_F(FeatureInfoTest, Basic) {
   // Test it starts off uninitialized.
   EXPECT_FALSE(info_->feature_flags().chromium_framebuffer_multisample);
+  EXPECT_FALSE(info_->feature_flags().multisampled_render_to_texture);
+  EXPECT_FALSE(info_->feature_flags(
+      ).use_img_for_multisampled_render_to_texture);
   EXPECT_FALSE(info_->feature_flags().oes_standard_derivatives);
   EXPECT_FALSE(info_->feature_flags().npot_ok);
   EXPECT_FALSE(info_->feature_flags().enable_texture_float_linear);
   EXPECT_FALSE(info_->feature_flags().enable_texture_half_float_linear);
   EXPECT_FALSE(info_->feature_flags().oes_egl_image_external);
   EXPECT_FALSE(info_->feature_flags().chromium_stream_texture);
   EXPECT_FALSE(info_->feature_flags().angle_translated_shader_source);
   EXPECT_FALSE(info_->feature_flags().angle_pack_reverse_row_order);
   EXPECT_FALSE(info_->feature_flags().arb_texture_rectangle);
   EXPECT_FALSE(info_->feature_flags().angle_instanced_arrays);
@@ skipping 430 matching lines @@
   EXPECT_TRUE(info_->validators()->frame_buffer_target.IsValid(
       GL_DRAW_FRAMEBUFFER_EXT));
   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
       GL_READ_FRAMEBUFFER_BINDING_EXT));
   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
       GL_MAX_SAMPLES_EXT));
   EXPECT_TRUE(info_->validators()->render_buffer_parameter.IsValid(
       GL_RENDERBUFFER_SAMPLES_EXT));
 }
 
+TEST_F(FeatureInfoTest, InitializeEXT_multisampled_render_to_texture) {
+  SetupInitExpectations("GL_EXT_multisampled_render_to_texture");
+  info_->Initialize(NULL);
+  EXPECT_TRUE(info_->feature_flags(
+      ).multisampled_render_to_texture);
+  EXPECT_FALSE(info_->feature_flags(
+      ).use_img_for_multisampled_render_to_texture);
+  EXPECT_THAT(info_->extensions(),
+              HasSubstr("GL_EXT_multisampled_render_to_texture"));
+  EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
+      GL_MAX_SAMPLES_EXT));
+  EXPECT_TRUE(info_->validators()->render_buffer_parameter.IsValid(
+      GL_RENDERBUFFER_SAMPLES_EXT));
+  EXPECT_TRUE(info_->validators()->frame_buffer_parameter.IsValid(
+      GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT));
+}
+
+TEST_F(FeatureInfoTest, InitializeIMG_multisampled_render_to_texture) {
+  SetupInitExpectations("GL_IMG_multisampled_render_to_texture");
+  info_->Initialize(NULL);
+  EXPECT_TRUE(info_->feature_flags(
+      ).use_img_for_multisampled_render_to_texture);
+  EXPECT_TRUE(info_->feature_flags(
+      ).use_img_for_multisampled_render_to_texture);
+  EXPECT_THAT(info_->extensions(),
+              HasSubstr("GL_EXT_multisampled_render_to_texture"));
+  EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
+      GL_MAX_SAMPLES_EXT));
+  EXPECT_TRUE(info_->validators()->render_buffer_parameter.IsValid(
+      GL_RENDERBUFFER_SAMPLES_EXT));
+  EXPECT_TRUE(info_->validators()->frame_buffer_parameter.IsValid(
+      GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT));
+}
+
 TEST_F(FeatureInfoTest, InitializeEXT_texture_filter_anisotropic) {
   SetupInitExpectations("GL_EXT_texture_filter_anisotropic");
   info_->Initialize(NULL);
   EXPECT_THAT(info_->extensions(),
               HasSubstr("GL_EXT_texture_filter_anisotropic"));
   EXPECT_TRUE(info_->validators()->texture_parameter.IsValid(
       GL_TEXTURE_MAX_ANISOTROPY_EXT));
   EXPECT_TRUE(info_->validators()->g_l_state.IsValid(
       GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT));
 }
@@ skipping 322 matching lines @@
   EXPECT_EQ(0, info_->workarounds().max_cube_map_texture_size);
   EXPECT_EQ(0, info_->workarounds().max_texture_size);
   info_->AddFeatures(command_line);
   EXPECT_TRUE(info_->workarounds().exit_on_context_lost);
   EXPECT_EQ(1024, info_->workarounds().max_cube_map_texture_size);
   EXPECT_EQ(4096, info_->workarounds().max_texture_size);
 }
 
 }  // namespace gles2
 }  // namespace gpu