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Merge pull request #4765 from ReinUsesLisp/fix-sort-devices 

renderer_vulkan/wrapper: Fix physical device sorting
This commit is contained in:
Rodrigo Locatti 2020-10-08 00:54:44 -03:00 committed by GitHub
parent 3446eb79b5 cd3e959f23
commit 7a99226785
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 35 additions and 13 deletions
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48
src/video_core/renderer_vulkan/wrapper.cpp
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@ -6,6 +6,7 @@
#include <exception>
#include <memory>
#include <optional>
#include <string_view>
#include <utility>
#include <vector>
@ -17,21 +18,42 @@ namespace Vulkan::vk {
namespace {
void SortPhysicalDevices(std::vector<VkPhysicalDevice>& devices, const InstanceDispatch& dld) {
std::stable_sort(devices.begin(), devices.end(), [&](auto lhs, auto rhs) {
// This will call Vulkan more than needed, but these calls are cheap.
const auto lhs_properties = vk::PhysicalDevice(lhs, dld).GetProperties();
const auto rhs_properties = vk::PhysicalDevice(rhs, dld).GetProperties();
template <typename Func>
void SortPhysicalDevices(std::vector<VkPhysicalDevice>& devices, const InstanceDispatch& dld,
Func&& func) {
// Calling GetProperties calls Vulkan more than needed. But they are supposed to be cheap
// functions.
std::stable_sort(devices.begin(), devices.end(),
[&dld, &func](VkPhysicalDevice lhs, VkPhysicalDevice rhs) {
return func(vk::PhysicalDevice(lhs, dld).GetProperties(),
vk::PhysicalDevice(rhs, dld).GetProperties());
});
}
// Prefer discrete GPUs, Nvidia over AMD, AMD over Intel, Intel over the rest.
const bool preferred =
(lhs_properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU &&
rhs_properties.deviceType != VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) ||
(lhs_properties.vendorID == 0x10DE && rhs_properties.vendorID != 0x10DE) ||
(lhs_properties.vendorID == 0x1002 && rhs_properties.vendorID != 0x1002) ||
(lhs_properties.vendorID == 0x8086 && rhs_properties.vendorID != 0x8086);
return !preferred;
void SortPhysicalDevicesPerVendor(std::vector<VkPhysicalDevice>& devices,
const InstanceDispatch& dld,
std::initializer_list<u32> vendor_ids) {
for (auto it = vendor_ids.end(); it != vendor_ids.begin();) {
--it;
SortPhysicalDevices(devices, dld, [id = *it](const auto& lhs, const auto& rhs) {
return lhs.vendorID == id && rhs.vendorID != id;
});
}
}
void SortPhysicalDevices(std::vector<VkPhysicalDevice>& devices, const InstanceDispatch& dld) {
// Sort by name, this will set a base and make GPUs with higher numbers appear first
// (e.g. GTX 1650 will intentionally be listed before a GTX 1080).
SortPhysicalDevices(devices, dld, [](const auto& lhs, const auto& rhs) {
return std::string_view{lhs.deviceName} > std::string_view{rhs.deviceName};
});
// Prefer discrete over non-discrete
SortPhysicalDevices(devices, dld, [](const auto& lhs, const auto& rhs) {
return lhs.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU &&
rhs.deviceType != VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU;
});
// Prefer Nvidia over AMD, AMD over Intel, Intel over the rest.
SortPhysicalDevicesPerVendor(devices, dld, {0x10DE, 0x1002, 0x8086});
}
template <typename T>