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Merge pull request #247 from viniciuslrangel/device-selector 

Improve physical device selection in Vulkan renderer
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psucien 2024-07-08 22:04:51 +02:00 committed by GitHub
parent 64e283c948 6cc8381d62
commit ab6a1fb5f0
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1 changed files with 25 additions and 5 deletions
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30
src/video_core/renderer_vulkan/vk_instance.cpp
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@ -52,16 +52,36 @@ Instance::Instance(Frontend::WindowSDL& window, s32 physical_device_index,
LOG_INFO(Render_Vulkan, "Found {} physical devices", num_physical_devices);
if (physical_device_index < 0) {
std::vector<std::pair<size_t, vk::PhysicalDeviceProperties2>> properties2{};
std::vector<
std::tuple<size_t, vk::PhysicalDeviceProperties2, vk::PhysicalDeviceMemoryProperties>>
properties2{};
for (auto const& physical : physical_devices) {
properties2.emplace_back(properties2.size(), physical.getProperties2());
properties2.emplace_back(properties2.size(), physical.getProperties2(),
physical.getMemoryProperties());
}
std::sort(properties2.begin(), properties2.end(), [](const auto& left, const auto& right) {
if (std::get<1>(left).properties.deviceType ==
std::get<1>(right).properties.deviceType) {
const vk::PhysicalDeviceProperties& left_prop = std::get<1>(left).properties;
const vk::PhysicalDeviceProperties& right_prop = std::get<1>(right).properties;
if (left_prop.apiVersion >= TargetVulkanApiVersion &&
right_prop.apiVersion < TargetVulkanApiVersion) {
return true;
}
return std::get<1>(left).properties.deviceType == vk::PhysicalDeviceType::eDiscreteGpu;
if (left_prop.deviceType != right_prop.deviceType) {
return left_prop.deviceType == vk::PhysicalDeviceType::eDiscreteGpu;
}
constexpr auto get_mem = [](const vk::PhysicalDeviceMemoryProperties& mem) -> size_t {
size_t max = 0;
for (u32 i = 0; i < mem.memoryHeapCount; i++) {
const vk::MemoryHeap& heap = mem.memoryHeaps[i];
if (heap.flags & vk::MemoryHeapFlagBits::eDeviceLocal && heap.size > max) {
max = heap.size;
}
}
return max;
};
size_t left_mem_size = get_mem(std::get<2>(left));
size_t right_mem_size = get_mem(std::get<2>(right));
return left_mem_size > right_mem_size;
});
physical_device = physical_devices[std::get<0>(properties2[0])];
} else {