light/modules/renderer/private/backend/vk/context/gpu.cpp

80 lines
2.4 KiB
C++

#include <renderer/backend/vk/context/gpu.hpp>
#include <renderer/backend/vk/context/instance.hpp>
#include <renderer/backend/vk/utils.hpp>
namespace lt::renderer::vk {
Gpu::Gpu(IInstance *instance)
: m_descriptor_indexing_features(
{ .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DESCRIPTOR_INDEXING_FEATURES }
)
{
auto gpus = static_cast<Instance *>(instance)->enumerate_gpus();
for (auto &gpu : gpus)
{
auto properties = VkPhysicalDeviceProperties {};
auto features = VkPhysicalDeviceFeatures2 {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2,
.pNext = &m_descriptor_indexing_features
};
vk_get_physical_device_properties(gpu, &properties);
vk_get_physical_device_features(gpu, &features);
if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU
&& features.features.geometryShader)
{
m_gpu = gpu;
}
}
ensure(m_gpu, "Failed to find any suitable Vulkan physical device");
vk_get_physical_device_memory_properties(m_gpu, &m_memory_properties);
auto count = uint32_t { 0u };
vk_get_physical_device_queue_family_properties(m_gpu, &count, nullptr);
m_queue_family_properties.resize(count);
vk_get_physical_device_queue_family_properties(m_gpu, &count, m_queue_family_properties.data());
}
[[nodiscard]] auto Gpu::queue_family_supports_presentation(
VkSurfaceKHR surface,
uint32_t queue_family_idx
) -> bool
{
auto supported = VkBool32 { false };
vkc(vk_get_physical_device_surface_support(m_gpu, queue_family_idx, surface, &supported));
return supported;
}
[[nodiscard]] auto Gpu::get_surface_capabilities(VkSurfaceKHR surface) const
-> VkSurfaceCapabilitiesKHR
{
auto capabilities = VkSurfaceCapabilitiesKHR {};
vkc(vk_get_physical_device_surface_capabilities(m_gpu, surface, &capabilities));
return capabilities;
}
[[nodiscard]] auto Gpu::get_surface_formats(VkSurfaceKHR surface) const
-> std::vector<VkSurfaceFormatKHR>
{
auto count = uint32_t { 0u };
vkc(vk_get_physical_device_surface_formats(m_gpu, surface, &count, nullptr));
auto formats = std::vector<VkSurfaceFormatKHR>(count);
vkc(vk_get_physical_device_surface_formats(m_gpu, surface, &count, formats.data()));
return formats;
}
[[nodiscard]] auto Gpu::create_device(VkDeviceCreateInfo info) const -> VkDevice
{
auto *device = VkDevice {};
vkc(vk_create_device(m_gpu, &info, nullptr, &device));
return device;
}
} // namespace lt::renderer::vk