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Prefer high-performance discrete GPUs when enumerating adapters

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This commit is contained in:
Ari Vuollet
2023-05-26 19:55:11 +03:00
parent 9572073eda
commit bdf6a11491
4 changed files with 115 additions and 13 deletions
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18
Source/Engine/GraphicsDevice/Vulkan/GPUDeviceVulkan.cpp
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@@ -1155,6 +1155,7 @@ GPUDevice* GPUDeviceVulkan::Create()
#endif
// Enumerate all GPU devices and pick one
int32 selectedAdapterIndex = -1;
uint32 gpuCount = 0;
VALIDATE_VULKAN_RESULT(vkEnumeratePhysicalDevices(Instance, &gpuCount, nullptr));
if (gpuCount <= 0)
@@ -1187,6 +1188,9 @@ GPUDevice* GPUDeviceVulkan::Create()
break;
case VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU:
type = TEXT("Discrete GPU");
// Select the first discrete GPU device
if (selectedAdapterIndex == -1)
selectedAdapterIndex = gpuIndex;
break;
case VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU:
type = TEXT("Virtual GPU");
@@ -1203,7 +1207,13 @@ GPUDevice* GPUDeviceVulkan::Create()
}
// Select the adapter to use
int32 selectedAdapter = 0;
if (selectedAdapterIndex < 0)
selectedAdapterIndex = 0;
if (adapters.Count() == 0 || selectedAdapterIndex >= adapters.Count())
{
LOG(Error, "Failed to find valid Vulkan adapter!");
return nullptr;
}
uint32 vendorId = 0;
if (CommandLine::Options.NVIDIA)
vendorId = GPU_VENDOR_ID_NVIDIA;
@@ -1217,15 +1227,15 @@ GPUDevice* GPUDeviceVulkan::Create()
{
if (adapters[i].GetVendorId() == vendorId)
{
selectedAdapter = i;
selectedAdapterIndex = i;
break;
}
}
}
ASSERT(selectedAdapter != -1 && adapters[selectedAdapter].IsValid());
ASSERT(adapters[selectedAdapterIndex].IsValid());
// Create device
auto device = New<GPUDeviceVulkan>(ShaderProfile::Vulkan_SM5, New<GPUAdapterVulkan>(adapters[selectedAdapter]));
auto device = New<GPUDeviceVulkan>(ShaderProfile::Vulkan_SM5, New<GPUAdapterVulkan>(adapters[selectedAdapterIndex]));
if (device->Init())
{
LOG(Warning, "Graphics Device init failed");