During virtual context switches only restore texture units

that have changed from the previous context.

The most CPU consuming operations on the GPU thread for
Android are virtual context switches. We attempt to reduce the CPU usage by
context switches with this patch.

BUG=244701

Review URL: https://codereview.chromium.org/118203002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245109 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 5 insertions, 2 deletions

diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_mock.h b/gpu/command_buffer/service/gles2_cmd_decoder_mock.h
index edec2a0..a945caf 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_mock.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_mock.h
@@ -28,6 +28,7 @@ namespace gles2 {
 class ContextGroup;
 class ErrorState;
 class QueryManager;
+struct ContextState;
 
 class MockGLES2Decoder : public GLES2Decoder {
  public:
@@ -51,13 +52,15 @@ class MockGLES2Decoder : public GLES2Decoder {
   MOCK_METHOD0(GetGLSurface, gfx::GLSurface*());
   MOCK_METHOD0(GetGLContext, gfx::GLContext*());
   MOCK_METHOD0(GetContextGroup, ContextGroup*());
+  MOCK_METHOD0(GetContextState, const ContextState*());
   MOCK_METHOD0(GetCapabilities, Capabilities());
   MOCK_METHOD0(ProcessPendingQueries, bool());
   MOCK_METHOD0(HasMoreIdleWork, bool());
   MOCK_METHOD0(PerformIdleWork, void());
-  MOCK_CONST_METHOD0(RestoreState, void());
+  MOCK_CONST_METHOD1(RestoreState, void(const ContextState* prev_state));
   MOCK_CONST_METHOD0(RestoreActiveTexture, void());
-  MOCK_CONST_METHOD0(RestoreAllTextureUnitBindings, void());
+  MOCK_CONST_METHOD1(
+      RestoreAllTextureUnitBindings, void(const ContextState* state));
   MOCK_CONST_METHOD1(RestoreAttribute, void(unsigned index));
   MOCK_CONST_METHOD0(RestoreBufferBindings, void());
   MOCK_CONST_METHOD0(RestoreFramebufferBindings, void());