зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
2.7 KiB
C++
97 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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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#include "DiagnosticsD3D11.h"
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#include "mozilla/layers/Diagnostics.h"
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#include "mozilla/layers/HelpersD3D11.h"
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namespace mozilla {
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namespace layers {
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DiagnosticsD3D11::DiagnosticsD3D11(ID3D11Device* aDevice, ID3D11DeviceContext* aContext)
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: mDevice(aDevice),
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mContext(aContext)
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{
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}
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void
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DiagnosticsD3D11::Start(uint32_t aPixelsPerFrame)
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{
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mPrevFrame = mCurrentFrame;
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mCurrentFrame = FrameQueries();
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CD3D11_QUERY_DESC desc(D3D11_QUERY_PIPELINE_STATISTICS);
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mDevice->CreateQuery(&desc, getter_AddRefs(mCurrentFrame.stats));
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if (mCurrentFrame.stats) {
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mContext->Begin(mCurrentFrame.stats);
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}
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mCurrentFrame.pixelsPerFrame = aPixelsPerFrame;
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desc = CD3D11_QUERY_DESC(D3D11_QUERY_TIMESTAMP_DISJOINT);
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mDevice->CreateQuery(&desc, getter_AddRefs(mCurrentFrame.timing));
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if (mCurrentFrame.timing) {
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mContext->Begin(mCurrentFrame.timing);
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}
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desc = CD3D11_QUERY_DESC(D3D11_QUERY_TIMESTAMP);
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mDevice->CreateQuery(&desc, getter_AddRefs(mCurrentFrame.frameBegin));
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if (mCurrentFrame.frameBegin) {
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mContext->End(mCurrentFrame.frameBegin);
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}
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}
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void
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DiagnosticsD3D11::End()
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{
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if (mCurrentFrame.stats) {
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mContext->End(mCurrentFrame.stats);
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}
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if (mCurrentFrame.frameBegin) {
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CD3D11_QUERY_DESC desc(D3D11_QUERY_TIMESTAMP);
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mDevice->CreateQuery(&desc, getter_AddRefs(mCurrentFrame.frameEnd));
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if (mCurrentFrame.frameEnd) {
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mContext->End(mCurrentFrame.frameEnd);
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}
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}
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if (mCurrentFrame.timing) {
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mContext->End(mCurrentFrame.timing);
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}
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}
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void
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DiagnosticsD3D11::Cancel()
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{
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mCurrentFrame = FrameQueries();
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}
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void
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DiagnosticsD3D11::Query(GPUStats* aStats)
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{
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// Collect pixel shader stats.
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if (mPrevFrame.stats) {
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D3D11_QUERY_DATA_PIPELINE_STATISTICS stats;
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if (WaitForGPUQuery(mDevice, mContext, mPrevFrame.stats, &stats)) {
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aStats->mInvalidPixels = mPrevFrame.pixelsPerFrame;
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aStats->mPixelsFilled = uint32_t(stats.PSInvocations);
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}
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}
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if (mPrevFrame.timing) {
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UINT64 begin, end;
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D3D11_QUERY_DATA_TIMESTAMP_DISJOINT timing;
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if (WaitForGPUQuery(mDevice, mContext, mPrevFrame.timing, &timing) &&
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!timing.Disjoint &&
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WaitForGPUQuery(mDevice, mContext, mPrevFrame.frameBegin, &begin) &&
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WaitForGPUQuery(mDevice, mContext, mPrevFrame.frameEnd, &end))
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{
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float timeMs = float(end - begin) / float(timing.Frequency) * 1000.0f;
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aStats->mDrawTime = Some(timeMs);
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}
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}
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}
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} // namespace layers
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} // namespace mozilla
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