Copy NV12 picture buffers on demand on the main thread.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc

 // Copyright 2014 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/gles2_cmd_decoder.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
@@ skipping 3853 matching lines @@
   ASSERT_TRUE(texture_ref != NULL);
   Texture* texture = texture_ref->texture();
   EXPECT_EQ(kServiceTextureId, texture->service_id());
 
   const int32_t kImageId = 1;
   scoped_refptr<MockGLImage> image(new MockGLImage);
   GetImageManager()->AddImage(image.get(), kImageId);
 
   // Bind image to texture.
   EXPECT_CALL(*image.get(), BindTexImage(GL_TEXTURE_2D))
-      .Times(1)
-      .WillOnce(Return(false))
+      .Times(2)
+      .WillRepeatedly(Return(false))
       .RetiresOnSaturation();
   EXPECT_CALL(*image.get(), GetSize())
       .Times(1)
       .WillOnce(Return(gfx::Size(1, 1)))
       .RetiresOnSaturation();
   EXPECT_CALL(*image.get(), GetInternalFormat())
       .Times(1)
       .WillOnce(Return(GL_RGBA))
       .RetiresOnSaturation();
+  EXPECT_CALL(*gl_, BindTexture(GL_TEXTURE_2D, kServiceTextureId))
+      .Times(1)
+      .RetiresOnSaturation();
   // ScopedGLErrorSuppressor calls GetError on its constructor and destructor.
   DoBindTexImage2DCHROMIUM(GL_TEXTURE_2D, kImageId);
 
   AddExpectationsForSimulatedAttrib0(kNumVertices, 0);
   SetupExpectationsForApplyingDefaultDirtyState();
 
   // ScopedGLErrorSuppressor calls GetError on its constructor and destructor.
   EXPECT_CALL(*gl_, GetError())
       .WillOnce(Return(GL_NO_ERROR))
       .WillOnce(Return(GL_NO_ERROR))
       .RetiresOnSaturation();
   EXPECT_CALL(*gl_, ActiveTexture(GL_TEXTURE0)).Times(2).RetiresOnSaturation();
   EXPECT_CALL(*image.get(), CopyTexImage(GL_TEXTURE_2D))
       .Times(1)
       .WillOnce(Return(true))
       .RetiresOnSaturation();
   EXPECT_CALL(*gl_, DrawArrays(GL_TRIANGLES, 0, kNumVertices))
       .Times(1)
       .RetiresOnSaturation();
   DrawArrays cmd;
   cmd.Init(GL_TRIANGLES, 0, kNumVertices);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
 
   DoBindTexture(GL_TEXTURE_2D, client_texture_id_, kServiceTextureId);
+
+  Mock::VerifyAndClearExpectations(gl_.get());
   // Re-bind image to texture.
   ReleaseTexImage2DCHROMIUM release_tex_image_2d_cmd;
   release_tex_image_2d_cmd.Init(GL_TEXTURE_2D, kImageId);
   EXPECT_EQ(error::kNoError, ExecuteCmd(release_tex_image_2d_cmd));
   EXPECT_CALL(*image.get(), BindTexImage(GL_TEXTURE_2D))
-      .Times(1)
-      .WillOnce(Return(false))
+      .Times(2)
+      .WillRepeatedly(Return(false))
       .RetiresOnSaturation();
   EXPECT_CALL(*image.get(), GetSize())
       .Times(1)
       .WillOnce(Return(gfx::Size(1, 1)))
       .RetiresOnSaturation();
   EXPECT_CALL(*image.get(), GetInternalFormat())
       .Times(1)
       .WillOnce(Return(GL_RGBA))
       .RetiresOnSaturation();
   DoBindTexImage2DCHROMIUM(GL_TEXTURE_2D, kImageId);
@@ skipping 1039 matching lines @@
 // TODO(gman): CompressedTexSubImage2DImmediate
 
 // TODO(gman): TexImage2D
 
 // TODO(gman): TexImage2DImmediate
 
 // TODO(gman): TexSubImage2DImmediate
 
 }  // namespace gles2
 }  // namespace gpu