gpu: Report time spent performing async texture uploads.

ui/gl/async_pixel_transfer_delegate_stub.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 "ui/gl/async_pixel_transfer_delegate_stub.h"
 
 #include "base/shared_memory.h"
 #include "build/build_config.h"
 #include "ui/gl/gl_bindings.h"
 
@@ skipping 44 matching lines @@
   return false;
 }
 
 void AsyncTransferStateStub::BindTransfer(AsyncTexImage2DParams* out_params) {
   DCHECK(out_params);
   DCHECK(needs_late_bind_);
   *out_params = late_bind_define_params_;
   needs_late_bind_ = false;
 }
 
-AsyncPixelTransferDelegateStub::AsyncPixelTransferDelegateStub() {
+AsyncPixelTransferDelegateStub::AsyncPixelTransferDelegateStub()
+    : texture_upload_count_(0) {
 }
 
 AsyncPixelTransferDelegateStub::~AsyncPixelTransferDelegateStub() {
 }
 
 AsyncPixelTransferState*
     AsyncPixelTransferDelegateStub::CreateRawPixelTransferState(
         GLuint texture_id) {
   return static_cast<AsyncPixelTransferState*>(
       new AsyncTransferStateStub(texture_id));
@@ skipping 39 matching lines @@
     const AsyncTexSubImage2DParams& tex_params,
     const AsyncMemoryParams& mem_params) {
   void* data = GetAddress(mem_params.shared_memory,
                           mem_params.shm_size,
                           mem_params.shm_data_offset,
                           mem_params.shm_data_size);
   DCHECK(transfer_state);
   AsyncTransferStateStub* state =
       static_cast<AsyncTransferStateStub*>(transfer_state);
   DCHECK(!state->needs_late_bind_);
+  base::TimeTicks begin_time(base::TimeTicks::HighResNow());
   glTexSubImage2D(
       tex_params.target,
       tex_params.level,
       tex_params.xoffset,
       tex_params.yoffset,
       tex_params.width,
       tex_params.height,
       tex_params.format,
       tex_params.type,
       data);
+  texture_upload_count_++;
+  total_texture_upload_time_ += base::TimeTicks::HighResNow() - begin_time;
 }
+
+uint32 AsyncPixelTransferDelegateStub::GetTextureUploadCount() {
+  return texture_upload_count_;
+}
+
+base::TimeDelta AsyncPixelTransferDelegateStub::GetTotalTextureUploadTime() {
+  return total_texture_upload_time_;
+}
+
 }  // namespace gfx