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Init swapChainBufferCount to NUM_FRAME_DATA (all renderers) and clamp to Vulkan surfaceCaps

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This commit is contained in:
Stephen Saunders 2023-06-06 11:42:22 -04:00
parent 39ae1202b4
commit 9ab8c2a4da
2 changed files with 4 additions and 8 deletions
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2
neo/sys/DeviceManager.h
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@ -54,7 +54,7 @@ struct DeviceCreationParameters
uint32_t backBufferHeight = 720;
uint32_t backBufferSampleCount = 1; // optional HDR Framebuffer MSAA
uint32_t refreshRate = 0;
uint32_t swapChainBufferCount = 3; // SRS - hardcode to 3 for Vsync modes and linux surfaceCaps.minImageCount = 3
uint32_t swapChainBufferCount = NUM_FRAME_DATA; // SRS - default matches GPU frames, can be overridden by renderer
nvrhi::Format swapChainFormat = nvrhi::Format::RGBA8_UNORM; // RB: don't do the sRGB gamma ramp with the swapchain
uint32_t swapChainSampleCount = 1;
uint32_t swapChainSampleQuality = 0;

10
neo/sys/DeviceManager_VK.cpp
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@ -559,13 +559,9 @@ bool DeviceManager_VK::pickPhysicalDevice()
auto surfaceFmts = dev.getSurfaceFormatsKHR( m_WindowSurface );
auto surfacePModes = dev.getSurfacePresentModesKHR( m_WindowSurface );
if( surfaceCaps.minImageCount > m_DeviceParams.swapChainBufferCount ||
( surfaceCaps.maxImageCount < m_DeviceParams.swapChainBufferCount && surfaceCaps.maxImageCount > 0 ) )
{
errorStream << std::endl << " - cannot support the requested swap chain image count:";
errorStream << " requested " << m_DeviceParams.swapChainBufferCount << ", available " << surfaceCaps.minImageCount << " - " << surfaceCaps.maxImageCount;
deviceIsGood = false;
}
// SRS/Ricardo Garcia rg3 - clamp swapChainBufferCount to the min/max capabilities of the surface
m_DeviceParams.swapChainBufferCount = Max( surfaceCaps.minImageCount, m_DeviceParams.swapChainBufferCount );
m_DeviceParams.swapChainBufferCount = surfaceCaps.maxImageCount > 0 ? Min( m_DeviceParams.swapChainBufferCount, surfaceCaps.maxImageCount ) : m_DeviceParams.swapChainBufferCount;
if( surfaceCaps.minImageExtent.width > requestedExtent.width ||
surfaceCaps.minImageExtent.height > requestedExtent.height ||