Allow GLES2CmdDecoder to change the GLSurface associated with the default FBO.

gpu/command_buffer/service/gles2_cmd_decoder_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/gles2_cmd_decoder.h"
 
 #include "base/atomicops.h"
 #include "gpu/command_buffer/common/gl_mock.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/common/id_allocator.h"
 #include "gpu/command_buffer/service/cmd_buffer_engine.h"
 #include "gpu/command_buffer/service/context_group.h"
+#include "gpu/command_buffer/service/gl_surface_mock.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h"
 #include "gpu/command_buffer/service/mailbox_manager.h"
 #include "gpu/command_buffer/service/program_manager.h"
 #include "gpu/command_buffer/service/stream_texture_manager_mock.h"
 #include "gpu/command_buffer/service/stream_texture_mock.h"
 #include "gpu/command_buffer/service/test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface_stub.h"
 
+
 #if !defined(GL_DEPTH24_STENCIL8)
 #define GL_DEPTH24_STENCIL8 0x88F0
 #endif
 
 using ::gfx::MockGLInterface;
 using ::testing::_;
 using ::testing::DoAll;
 using ::testing::InSequence;
 using ::testing::Invoke;
 using ::testing::MatcherCast;
@@ skipping 6971 matching lines @@
   EXPECT_EQ(2, width);
   EXPECT_EQ(4, height);
   EXPECT_TRUE(info->GetLevelType(GL_TEXTURE_2D, 1, &type, &internal_format));
   EXPECT_EQ(static_cast<GLenum>(GL_RGBA), internal_format);
   EXPECT_EQ(static_cast<GLenum>(GL_UNSIGNED_BYTE), type);
 
   // Service ID is restored.
   EXPECT_EQ(kServiceTextureId, info->service_id());
 }
 
+
+TEST_F(GLES2DecoderTest, CanChangeSurface) {
+  scoped_refptr<GLSurfaceMock> other_surface(new GLSurfaceMock);
+  EXPECT_CALL(*other_surface.get(), GetBackingFrameBufferObject()).
+      WillOnce(Return(7));
+  EXPECT_CALL(*gl_, BindFramebufferEXT(GL_FRAMEBUFFER_EXT, 7));
+
+  decoder_->SetSurface(other_surface);
+}
+
 TEST_F(GLES2DecoderTest, IsEnabledReturnsCachedValue) {
   // NOTE: There are no expectations because no GL functions should be
   // called for DEPTH_TEST or STENCIL_TEST
   static const GLenum kStates[] = {
     GL_DEPTH_TEST,
     GL_STENCIL_TEST,
   };
   for (size_t ii = 0; ii < arraysize(kStates); ++ii) {
     Enable enable_cmd;
     GLenum state = kStates[ii];
@@ skipping 42 matching lines @@
 // TODO(gman): TexImage2DImmediate
 
 // TODO(gman): TexSubImage2DImmediate
 
 // TODO(gman): UseProgram
 
 // TODO(gman): SwapBuffers
 
 }  // namespace gles2
 }  // namespace gpu