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Save GPU Vendor and Type in glConfig for use in rendering, e.g. R_UseHiz()

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This commit is contained in:
SRSaunders 2025-02-01 18:50:32 -05:00
parent 037a000590
commit 361aa00e47
6 changed files with 42 additions and 12 deletions
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10
neo/renderer/RenderSystem.h
View file

@ -80,7 +80,14 @@ enum graphicsVendor_t
VENDOR_NVIDIA,
VENDOR_AMD,
VENDOR_INTEL,
VENDOR_APPLE // SRS - Added support for Apple GPUs
VENDOR_APPLE, // SRS - Added support for Apple GPUs
VENDOR_OTHER
};
enum graphicsGpuType_t
{
GPU_TYPE_DISCRETE,
GPU_TYPE_OTHER
};
#define ID_MSAA 0
@ -181,6 +188,7 @@ struct backEndCounters_t
struct glconfig_t
{
graphicsVendor_t vendor;
graphicsGpuType_t gpuType;
// int maxTextureSize; // TODO
// int maxTextureCoords; // TODO

7
neo/renderer/RenderSystem_init.cpp
View file

@ -364,6 +364,13 @@ bool R_UseTemporalAA()
bool R_UseHiZ()
{
// TODO check for driver problems here
#if defined(__linux__)
if( glConfig.vendor == VENDOR_INTEL && glConfig.gpuType == GPU_TYPE_OTHER )
{
// SRS - Disable HiZ to work-around Linux driver issues on Intel iGPUs
return false;
}
#endif
return r_useHierarchicalDepthBuffer.GetBool();
}

17
neo/sys/DeviceManager.cpp
View file

@ -59,6 +59,23 @@ void DeviceManager::GetWindowDimensions( int& width, int& height )
height = m_DeviceParams.backBufferHeight;
}
graphicsVendor_t DeviceManager::getGPUVendor( uint32_t vendorID ) const
{
switch( vendorID )
{
case 0x10DE:
return VENDOR_NVIDIA;
case 0x1002:
return VENDOR_AMD;
case 0x8086:
return VENDOR_INTEL;
case 0x106B:
return VENDOR_APPLE;
default:
return VENDOR_OTHER;
}
}
void DeviceManager::BackBufferResizing()
{
Framebuffer::Shutdown();

3
neo/sys/DeviceManager.h
View file

@ -159,7 +159,6 @@ protected:
void* windowInstance;
void* windowHandle;
bool m_windowVisible = false;
bool isNvidia = false;
DeviceCreationParameters m_DeviceParams;
@ -171,6 +170,8 @@ protected:
DeviceManager() = default;
graphicsVendor_t getGPUVendor( uint32_t vendorID ) const;
void BackBufferResizing();
void BackBufferResized();

9
neo/sys/DeviceManager_DX12.cpp
View file

@ -106,11 +106,6 @@ private:
void ReleaseRenderTargets();
};
static bool IsNvDeviceID( UINT id )
{
return id == 0x10DE;
}
// Find an adapter whose name contains the given string.
static RefCountPtr<IDXGIAdapter> FindAdapter( const std::wstring& targetName )
{
@ -277,7 +272,9 @@ bool DeviceManager_DX12::CreateDeviceAndSwapChain()
}
m_RendererString = ss.str();
isNvidia = IsNvDeviceID( aDesc.VendorId );
glConfig.vendor = getGPUVendor( aDesc.VendorId );
// SRS - Intel iGPUs typically allocate 128 MB for Dedicated UMA, set threshold at 512 MB to potentially handle other iGPUs (e.g. AMD APUs)
glConfig.gpuType = aDesc.DedicatedVideoMemory > 0x20000000 ? GPU_TYPE_DISCRETE : GPU_TYPE_OTHER;
}
/*
// SRS - Don't center window here for DX12 only, instead use portable initialization in CreateWindowDeviceAndSwapChain() within win_glimp.cpp

8
neo/sys/DeviceManager_VK.cpp
View file

@ -781,16 +781,16 @@ bool DeviceManager_VK::pickPhysicalDevice()
// pick the first discrete GPU if it exists, otherwise the first integrated GPU
if( !discreteGPUs.empty() )
{
glConfig.vendor = getGPUVendor( discreteGPUs[0].getProperties().vendorID );
glConfig.gpuType = GPU_TYPE_DISCRETE;
m_VulkanPhysicalDevice = discreteGPUs[0];
return true;
}
if( !otherGPUs.empty() )
{
#if defined(__linux__) && ( defined(__i386__) || defined(__x86_64__) )
// SRS - Disable HiZ buffer on Linux + Intel iGPU to work-around device lost crashes - potentially a driver issue?
r_useHierarchicalDepthBuffer.SetBool( false );
#endif
glConfig.vendor = getGPUVendor( otherGPUs[0].getProperties().vendorID );
glConfig.gpuType = GPU_TYPE_OTHER;
m_VulkanPhysicalDevice = otherGPUs[0];
return true;
}