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Support for refresh rate and sync interval (#2989)

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* Add support for querying the refresh rate and sync interval
This commit is contained in:
moudgils
2021-08-12 12:07:46 -07:00
committed by GitHub
parent 589a05062b
commit c2b8542bbd
18 changed files with 128 additions and 30 deletions
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Gems/Atom/RPI/Code/Source/RPI.Public/WindowContext.cpp
+5 -14
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@@ -17,19 +17,6 @@
#include <AzCore/Console/IConsole.h>
#include <AzCore/Math/MathUtils.h>
void OnVsyncIntervalChanged(uint32_t const& interval)
{
AzFramework::WindowNotificationBus::Broadcast(
&AzFramework::WindowNotificationBus::Events::OnVsyncIntervalChanged,
AZ::GetClamp(interval, 0u, 4u));
}
// NOTE: On change, broadcasts the new requested vsync interval to all windows.
// The value of the vsync interval is constrained between 0 and 4
// Vsync intervals greater than 1 are not currently supported on the Vulkan RHI (see #2061 for discussion)
AZ_CVAR(uint32_t, rpi_vsync_interval, 1, OnVsyncIntervalChanged, AZ::ConsoleFunctorFlags::Null, "Set swapchain vsync interval");
namespace AZ
{
namespace RPI
@@ -158,9 +145,13 @@ namespace AZ
const RHI::WindowHandle windowHandle = RHI::WindowHandle(reinterpret_cast<uintptr_t>(m_windowHandle));
uint32_t syncInterval = 1;
AzFramework::WindowRequestBus::EventResult(
syncInterval, m_windowHandle, &AzFramework::WindowRequestBus::Events::GetSyncInterval);
RHI::SwapChainDescriptor descriptor;
descriptor.m_window = windowHandle;
descriptor.m_verticalSyncInterval = rpi_vsync_interval;
descriptor.m_verticalSyncInterval = syncInterval;
descriptor.m_dimensions.m_imageWidth = width;
descriptor.m_dimensions.m_imageHeight = height;
descriptor.m_dimensions.m_imageCount = 3;