90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
#include <Renderer/Swapchain.hpp>
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Swapchain::Swapchain(vk::Device& dev, const vk::SurfaceKHR& surface, const vk::Extent2D& extent, RenderPass render_pass, vk::ImageView depth_image_view)
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: dev(dev), surface(surface), render_pass(render_pass), depth_image_view(depth_image_view) {
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create(extent);
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}
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void Swapchain::create(const vk::Extent2D& extent, vk::SwapchainKHR old_swapchain) {
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this->extent = extent;
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auto format = vk::Format::eB8G8R8A8Unorm;
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auto swap_info = vk::SwapchainCreateInfoKHR{
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.surface = surface,
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/* at least double-buffered */
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.minImageCount = 3,
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.imageFormat = format,
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.imageColorSpace = vk::ColorSpaceKHR::eSrgbNonlinear,
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.imageExtent = extent,
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.imageArrayLayers = 1,
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.imageUsage = vk::ImageUsageFlagBits::eColorAttachment,
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.imageSharingMode = vk::SharingMode::eExclusive,
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.queueFamilyIndexCount = 0,
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.pQueueFamilyIndices = nullptr,
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.preTransform = vk::SurfaceTransformFlagBitsKHR::eIdentity,
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/* see if this allows see through windows on Wayland */
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.compositeAlpha = vk::CompositeAlphaFlagBitsKHR::eOpaque,
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/* waits for refresh (V-Sync), consider playing with relaxed fifo later on*/
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.presentMode = vk::PresentModeKHR::eFifo,
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.clipped = VK_TRUE,
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.oldSwapchain = old_swapchain,
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};
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swapchain = dev.createSwapchainKHR(swap_info);
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images = dev.getSwapchainImagesKHR(swapchain);
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views.resize(images.size());
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framebuffers.resize(images.size());
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for (size_t i = 0; i < views.size(); i++) {
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auto color_image_info = vk::ImageViewCreateInfo{
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.image = images[i],
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.viewType = vk::ImageViewType::e2D,
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.format = format,
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.components = {
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.r = vk::ComponentSwizzle::eR,
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.g = vk::ComponentSwizzle::eG,
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.b = vk::ComponentSwizzle::eB,
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.a = vk::ComponentSwizzle::eA,
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},
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.subresourceRange = {
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.aspectMask = vk::ImageAspectFlagBits::eColor,
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.baseMipLevel = 0,
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.levelCount = 1,
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.baseArrayLayer = 0,
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.layerCount = 1,
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}
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};
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views[i] = dev.createImageView(color_image_info);
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vk::ImageView attachments[] = { views[i], depth_image_view };
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auto framebuffer_info = vk::FramebufferCreateInfo {
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.renderPass = render_pass,
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.attachmentCount = static_cast<uint32_t>(std::size(attachments)),
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.pAttachments = attachments,
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.width = extent.width,
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.height = extent.height,
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.layers = 1,
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};
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framebuffers[i] = dev.createFramebuffer(framebuffer_info);
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}
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}
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void Swapchain::recreate(const vk::Extent2D& extent) {
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dev.waitIdle();
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cleanup();
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create(extent, swapchain);
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}
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void Swapchain::cleanup() {
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for(auto& fb : framebuffers)
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dev.destroyFramebuffer(fb);
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dev.destroySwapchainKHR(swapchain);
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}
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Swapchain::~Swapchain() {
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cleanup();
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}
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