Method resolve

Source/Falcor/Core/API/GpuTimer.cpp:111–138

}

void GpuTimer::resolve()
{
    if (mStatus == Status::Idle)
    {
        return;
    }

    if (mStatus == Status::Begin)
    {
        FALCOR_THROW("GpuTimer::resolve() was called but the GpuTimer::end() wasn't called.");
    }

    FALCOR_ASSERT(mStatus == Status::End);

    // TODO: The code here is inefficient as it resolves each timer individually.
    // This should be batched across all active timers and results copied into a single staging buffer once per frame instead.

    // Resolve timestamps into buffer.
    auto encoder = mpDevice->getRenderContext()->getLowLevelData()->getResourceCommandEncoder();

    encoder->resolveQuery(mpDevice->getTimestampQueryHeap()->getGfxQueryPool(), mStart, 2, mpResolveBuffer->getGfxBufferResource(), 0);

    // Copy resolved timestamps to staging buffer for readback. This inserts the necessary barriers.
    mpDevice->getRenderContext()->copyResource(mpResolveStagingBuffer.get(), mpResolveBuffer.get());

    mDataPending = true;
    mStatus = Status::Idle;
}

double GpuTimer::getElapsedTime()
{