Adds support for the GL_ANGLE_texture_usage and GL_EXT_texture_storage

gpu/command_buffer/service/texture_manager_unittest.cc

 // Copyright (c) 2011 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/texture_manager.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/common/gl_mock.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
@@ skipping 106 matching lines @@
       &feature_info_, info, GL_TEXTURE_MAG_FILTER, GL_CLAMP_TO_EDGE));
   EXPECT_EQ(static_cast<GLenum>(GL_NEAREST), info->min_filter());
   EXPECT_FALSE(manager_.SetParameter(
       &feature_info_, info, GL_TEXTURE_WRAP_S, GL_NEAREST));
   EXPECT_EQ(static_cast<GLenum>(GL_CLAMP_TO_EDGE), info->wrap_s());
   EXPECT_FALSE(manager_.SetParameter(
       &feature_info_, info, GL_TEXTURE_WRAP_T, GL_NEAREST));
   EXPECT_EQ(static_cast<GLenum>(GL_CLAMP_TO_EDGE), info->wrap_t());
 }
 
+TEST_F(TextureManagerTest, TextureUsageExt) {

[greggman, 2011/12/02 18:33:24]

Should there be a test that SetParameter returns false if the extension is not
enabled?

[vangelis, 2011/12/03 00:19:53]

Added a GLES2DecoderTest for it.

+  TestHelper::SetupTextureManagerInitExpectations(gl_.get(), "GL_ANGLE_texture_usage");

[vangelis, 2011/12/03 00:19:53]

Done.

+  manager_.Initialize(&feature_info_);
+  const GLuint kClient1Id = 1;
+  const GLuint kService1Id = 11;
+  // Check we can create texture.
+  manager_.CreateTextureInfo(&feature_info_, kClient1Id, kService1Id);
+  // Check texture got created.
+  TextureManager::TextureInfo* info = manager_.GetTextureInfo(kClient1Id);
+  ASSERT_TRUE(info != NULL);
+  EXPECT_TRUE(manager_.SetParameter(
+      &feature_info_, info, GL_TEXTURE_USAGE_ANGLE,
+      GL_FRAMEBUFFER_ATTACHMENT_ANGLE));
+  EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_ATTACHMENT_ANGLE),
+            info->usage());
+}
+
+
 TEST_F(TextureManagerTest, Destroy) {
   const GLuint kClient1Id = 1;
   const GLuint kService1Id = 11;
   // Check we can create texture.
   manager_.CreateTextureInfo(&feature_info_, kClient1Id, kService1Id);
   // Check texture got created.
   TextureManager::TextureInfo* info1 = manager_.GetTextureInfo(kClient1Id);
   ASSERT_TRUE(info1 != NULL);
   EXPECT_CALL(*gl_, DeleteTextures(1, ::testing::Pointee(kService1Id)))
       .Times(1)
@@ skipping 734 matching lines @@
   EXPECT_TRUE(info_->SafeToRenderFrom());
   EXPECT_FALSE(manager_.HaveUnsafeTextures());
   EXPECT_FALSE(manager_.HaveUnclearedMips());
   EXPECT_EQ(0, info_->num_uncleared_mips());
 }
 
 }  // namespace gles2
 }  // namespace gpu