100 lines
3 KiB
C++
100 lines
3 KiB
C++
#include <vector>
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#include <cstdint>
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#include <limits>
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#include <algorithm>
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#include "vkutil.hpp"
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QueueFamilyIndicies findQueueFamilies(VkPhysicalDevice device, VkSurfaceKHR surface) {
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QueueFamilyIndicies indicies;
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uint32_t queueFamilyCount = 0;
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vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
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std::vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
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vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
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int i = 0;
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for (const auto& queueFamily : queueFamilies) {
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if (queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
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indicies.graphicsFamily = i;
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}
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VkBool32 presentSupport = false;
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vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
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if (presentSupport) {
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indicies.presentFamily = i;
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}
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if (indicies.isComplete()) break;
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i++;
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}
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return indicies;
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}
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SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice device, VkSurfaceKHR surface) {
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SwapChainSupportDetails details;
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vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &details.capabilities);
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uint32_t formatCount;
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vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, nullptr);
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if (formatCount != 0) {
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details.formats.resize(formatCount);
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vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, details.formats.data());
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}
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uint32_t presentModeCount;
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vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, nullptr);
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if (presentModeCount != 0) {
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details.presentModes.resize(presentModeCount);
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vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, details.presentModes.data());
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}
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return details;
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}
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VkSurfaceFormatKHR chooseSwapSurfaceFormat(const std::vector<VkSurfaceFormatKHR>& availableFormats) {
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for (const auto& availableFormat : availableFormats) {
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if (availableFormat.format == VK_FORMAT_B8G8R8A8_SRGB && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
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return availableFormat;
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}
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}
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return availableFormats[0];
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}
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VkPresentModeKHR chooseSwapPresentMode(const std::vector<VkPresentModeKHR>& availablePresentModes) {
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for (const auto& availablePresentMode : availablePresentModes) {
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if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
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return availablePresentMode;
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}
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}
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return VK_PRESENT_MODE_FIFO_KHR;
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}
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VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities, GLFWwindow* window) {
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if (capabilities.currentExtent.width != std::numeric_limits<uint32_t>::max()) {
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return capabilities.currentExtent;
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} else {
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int width, height;
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glfwGetFramebufferSize(window, &width, &height);
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VkExtent2D actualExtent = {
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static_cast<uint32_t>(width),
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static_cast<uint32_t>(height)
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};
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actualExtent.width = std::clamp(actualExtent.width, capabilities.minImageExtent.width, capabilities.maxImageExtent.width);
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actualExtent.height = std::clamp(actualExtent.height, capabilities.minImageExtent.height, capabilities.maxImageExtent.height);
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return actualExtent;
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}
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}
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