Files
MacroLibX/src/renderer/core/vk_queues.cpp

72 lines
2.8 KiB
C++

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* vk_queues.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/10/08 19:02:42 by maldavid #+# #+# */
/* Updated: 2024/01/10 21:54:54 by maldavid ### ########.fr */
/* */
/* ************************************************************************** */
#include "render_core.h"
#include <SDL2/SDL.h>
#include <SDL2/SDL_vulkan.h>
namespace mlx
{
Queues::QueueFamilyIndices Queues::findQueueFamilies(VkPhysicalDevice device, VkSurfaceKHR surface)
{
uint32_t queueFamilyCount = 0;
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
std::vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
_families = Queues::QueueFamilyIndices{};
int i = 0;
for(const auto& queueFamily : queueFamilies)
{
if(queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT)
_families->graphicsFamily = i;
VkBool32 presentSupport = false;
vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
if(presentSupport)
_families->presentFamily = i;
if(_families->isComplete())
return *_families;
i++;
}
return *_families;
}
void Queues::init()
{
if(!_families.has_value())
{
SDL_Window* window = SDL_CreateWindow("", 0, 0, 1, 1, SDL_WINDOW_VULKAN | SDL_WINDOW_HIDDEN);
if(!window)
core::error::report(e_kind::fatal_error, "Vulkan : failed to create a window to init queues");
VkSurfaceKHR surface = VK_NULL_HANDLE;
if(SDL_Vulkan_CreateSurface(window, Render_Core::get().getInstance().get(), &surface) != SDL_TRUE)
core::error::report(e_kind::fatal_error, "Vulkan : failed to create a surface to init queues");
findQueueFamilies(Render_Core::get().getDevice().getPhysicalDevice(), surface);
vkDestroySurfaceKHR(Render_Core::get().getInstance().get(), surface, nullptr);
SDL_DestroyWindow(window);
}
vkGetDeviceQueue(Render_Core::get().getDevice().get(), _families->graphicsFamily.value(), 0, &_graphicsQueue);
vkGetDeviceQueue(Render_Core::get().getDevice().get(), _families->presentFamily.value(), 0, &_presentQueue);
#ifdef DEBUG
core::error::report(e_kind::message, "Vulkan : got graphics and present queues");
#endif
}
}