зеркало из https://github.com/mozilla/gecko-dev.git
52 строки
1.3 KiB
C++
52 строки
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_gfx_layers_d3d11_DiagnosticsD3D11_h
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#define mozilla_gfx_layers_d3d11_DiagnosticsD3D11_h
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#include <stdint.h>
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#include "mozilla/RefPtr.h"
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#include <d3d11.h>
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namespace mozilla {
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namespace layers {
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struct GPUStats;
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class DiagnosticsD3D11 {
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public:
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DiagnosticsD3D11(ID3D11Device* aDevice, ID3D11DeviceContext* aContext);
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void Start(uint32_t aPixelsPerFrame);
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void End();
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void Cancel();
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void Query(GPUStats* aStats);
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private:
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RefPtr<ID3D11Device> mDevice;
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RefPtr<ID3D11DeviceContext> mContext;
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// When using the diagnostic overlay, we double-buffer some queries for
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// frame statistics.
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struct FrameQueries {
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FrameQueries() : pixelsPerFrame(0) {}
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RefPtr<ID3D11Query> stats;
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RefPtr<ID3D11Query> timing;
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RefPtr<ID3D11Query> frameBegin;
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RefPtr<ID3D11Query> frameEnd;
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uint32_t pixelsPerFrame;
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};
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FrameQueries mPrevFrame;
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FrameQueries mCurrentFrame;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // mozilla_gfx_layers_d3d11_DiagnosticsD3D11_h
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