1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 
7 #ifndef mozilla_gfx_layers_composite_Diagnostics_h
8 #define mozilla_gfx_layers_composite_Diagnostics_h
9 
10 #include "mozilla/Maybe.h"
11 #include <cstdint>
12 
13 namespace mozilla {
14 namespace layers {
15 
16 // These statistics are collected by layers backends, preferably by the GPU
17 struct GPUStats {
GPUStatsGPUStats18   GPUStats() : mInvalidPixels(0), mScreenPixels(0), mPixelsFilled(0) {}
19 
20   uint32_t mInvalidPixels;
21   uint32_t mScreenPixels;
22   uint32_t mPixelsFilled;
23   Maybe<float> mDrawTime;
24 };
25 
26 }  // namespace layers
27 }  // namespace mozilla
28 
29 #endif  // mozilla_gfx_layers_composite_Diagnostics_h
30