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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DiagnosticsD3D11.h"
#include "mozilla/layers/Diagnostics.h"
#include "mozilla/layers/HelpersD3D11.h"
namespace mozilla {
namespace layers {
DiagnosticsD3D11::DiagnosticsD3D11(ID3D11Device* aDevice,
ID3D11DeviceContext* aContext)
: mDevice(aDevice), mContext(aContext) {}
void DiagnosticsD3D11::Start(uint32_t aPixelsPerFrame) {
mPrevFrame = mCurrentFrame;
mCurrentFrame = FrameQueries();
CD3D11_QUERY_DESC desc(D3D11_QUERY_PIPELINE_STATISTICS);
mDevice->CreateQuery(&desc, getter_AddRefs(mCurrentFrame.stats));
if (mCurrentFrame.stats) {
mContext->Begin(mCurrentFrame.stats);
}
mCurrentFrame.pixelsPerFrame = aPixelsPerFrame;
desc = CD3D11_QUERY_DESC(D3D11_QUERY_TIMESTAMP_DISJOINT);
mDevice->CreateQuery(&desc, getter_AddRefs(mCurrentFrame.timing));
if (mCurrentFrame.timing) {
mContext->Begin(mCurrentFrame.timing);
}
desc = CD3D11_QUERY_DESC(D3D11_QUERY_TIMESTAMP);
mDevice->CreateQuery(&desc, getter_AddRefs(mCurrentFrame.frameBegin));
if (mCurrentFrame.frameBegin) {
mContext->End(mCurrentFrame.frameBegin);
}
}
void DiagnosticsD3D11::End() {
if (mCurrentFrame.stats) {
mContext->End(mCurrentFrame.stats);
}
if (mCurrentFrame.frameBegin) {
CD3D11_QUERY_DESC desc(D3D11_QUERY_TIMESTAMP);
mDevice->CreateQuery(&desc, getter_AddRefs(mCurrentFrame.frameEnd));
if (mCurrentFrame.frameEnd) {
mContext->End(mCurrentFrame.frameEnd);
}
}
if (mCurrentFrame.timing) {
mContext->End(mCurrentFrame.timing);
}
}
void DiagnosticsD3D11::Cancel() { mCurrentFrame = FrameQueries(); }
void DiagnosticsD3D11::Query(GPUStats* aStats) {
// Collect pixel shader stats.
if (mPrevFrame.stats) {
D3D11_QUERY_DATA_PIPELINE_STATISTICS stats;
if (WaitForGPUQuery(mDevice, mContext, mPrevFrame.stats, &stats)) {
aStats->mInvalidPixels = mPrevFrame.pixelsPerFrame;
aStats->mPixelsFilled = uint32_t(stats.PSInvocations);
}
}
if (mPrevFrame.timing) {
UINT64 begin, end;
D3D11_QUERY_DATA_TIMESTAMP_DISJOINT timing;
if (WaitForGPUQuery(mDevice, mContext, mPrevFrame.timing, &timing) &&
!timing.Disjoint &&
WaitForGPUQuery(mDevice, mContext, mPrevFrame.frameBegin, &begin) &&
WaitForGPUQuery(mDevice, mContext, mPrevFrame.frameEnd, &end)) {
float timeMs = float(end - begin) / float(timing.Frequency) * 1000.0f;
aStats->mDrawTime = Some(timeMs);
}
}
}
} // namespace layers
} // namespace mozilla
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