Merge pull request #3721 from ReinUsesLisp/sort-devices
vulkan/wrapper: Sort physical devices
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commit
c5bf693882
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@ -2,6 +2,7 @@
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <exception>
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#include <memory>
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#include <optional>
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@ -16,6 +17,23 @@ namespace Vulkan::vk {
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namespace {
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void SortPhysicalDevices(std::vector<VkPhysicalDevice>& devices, const InstanceDispatch& dld) {
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std::stable_sort(devices.begin(), devices.end(), [&](auto lhs, auto rhs) {
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// This will call Vulkan more than needed, but these calls are cheap.
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const auto lhs_properties = vk::PhysicalDevice(lhs, dld).GetProperties();
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const auto rhs_properties = vk::PhysicalDevice(rhs, dld).GetProperties();
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// Prefer discrete GPUs, Nvidia over AMD, AMD over Intel, Intel over the rest.
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const bool preferred =
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(lhs_properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU &&
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rhs_properties.deviceType != VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) ||
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(lhs_properties.vendorID == 0x10DE && rhs_properties.vendorID != 0x10DE) ||
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(lhs_properties.vendorID == 0x1002 && rhs_properties.vendorID != 0x1002) ||
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(lhs_properties.vendorID == 0x8086 && rhs_properties.vendorID != 0x8086);
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return !preferred;
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});
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}
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template <typename T>
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bool Proc(T& result, const InstanceDispatch& dld, const char* proc_name,
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VkInstance instance = nullptr) noexcept {
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@ -389,7 +407,8 @@ std::optional<std::vector<VkPhysicalDevice>> Instance::EnumeratePhysicalDevices(
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if (dld->vkEnumeratePhysicalDevices(handle, &num, physical_devices.data()) != VK_SUCCESS) {
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return std::nullopt;
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}
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return physical_devices;
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SortPhysicalDevices(physical_devices, *dld);
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return std::make_optional(std::move(physical_devices));
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}
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DebugCallback Instance::TryCreateDebugCallback(
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