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[dxgi] Pass refresh rate to swap chains if latency control is enabled

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This commit is contained in:
Philip Rebohle 2024-10-26 00:39:24 +02:00
parent 3514580452
commit 73f2638321
3 changed files with 9 additions and 1 deletions
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1
src/dxgi/dxgi_options.cpp
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@ -91,6 +91,7 @@ namespace dxvk {
this->maxSharedMemory = VkDeviceSize(config.getOption<int32_t>("dxgi.maxSharedMemory", 0)) << 20;
this->maxFrameRate = config.getOption<int32_t>("dxgi.maxFrameRate", 0);
this->maxFrameLatency = config.getOption<int32_t>("dxgi.maxFrameLatency", 0);
this->syncInterval = config.getOption<int32_t>("dxgi.syncInterval", -1);
// Expose Nvidia GPUs properly if NvAPI is enabled in environment

3
src/dxgi/dxgi_options.h
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@ -49,6 +49,9 @@ namespace dxvk {
/// Limit frame rate
int32_t maxFrameRate;
/// Control frame latency
int32_t maxFrameLatency;
/// Sync interval. Overrides the value
/// passed to IDXGISwapChain::Present.
int32_t syncInterval;

6
src/dxgi/dxgi_swapchain.cpp
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@ -1003,7 +1003,11 @@ namespace dxvk {
m_frameRateSyncInterval = SyncInterval;
m_frameRateRefresh = 0.0f;
if (SyncInterval > 1 && wsi::isWindow(m_window)) {
// Frame latency control can only work on windowed or borderless swap
// chains if the presenter is aware of the display refresh rate
UINT minSyncInterval = (m_factory->GetOptions()->maxFrameLatency < 0 && !m_is_d3d12) ? 0 : 1;
if (SyncInterval > minSyncInterval && wsi::isWindow(m_window)) {
wsi::WsiMode mode = { };
if (wsi::getCurrentDisplayMode(wsi::getWindowMonitor(m_window), &mode)) {