Initialize Vulkan swapchain and render pass
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a6895f1d5f
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1 changed files with 189 additions and 6 deletions
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@ -4,15 +4,23 @@
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#include <vector>
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#include <cstring>
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#include <cstdio>
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#include <array>
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#include "gfx_rendering_api.h"
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#include "gfx_pc.h"
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#include "gfx_window_manager_api.h"
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static VkInstance instance;
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static VkPhysicalDevice physical_device;
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static VkDevice device;
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static VkQueue graphics_queue;
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static VkQueue present_queue;
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static VkCommandPool command_pool;
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static VkInstance instance = VK_NULL_HANDLE;
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static VkPhysicalDevice physical_device = VK_NULL_HANDLE;
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static VkDevice device = VK_NULL_HANDLE;
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static VkQueue graphics_queue = VK_NULL_HANDLE;
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static VkQueue present_queue = VK_NULL_HANDLE;
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static VkCommandPool command_pool = VK_NULL_HANDLE;
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static VkSwapchainKHR swapchain = VK_NULL_HANDLE;
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static VkFormat surface_format;
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static std::vector<VkImage> swapchain_images;
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static std::vector<VkImageView> swapchain_views;
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static VkRenderPass render_pass = VK_NULL_HANDLE;
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VKAPI_ATTR VkBool32 VKAPI_CALL
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gfx_vulkan_debug_callback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
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@ -218,11 +226,15 @@ static void gfx_vulkan_create_device() {
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}
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}
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std::array<const char*, 1> device_extensions = {"VK_KHR_swapchain"};
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VkDeviceCreateInfo device_create_info = {};
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device_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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device_create_info.pQueueCreateInfos = queue_create_infos.data();
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device_create_info.queueCreateInfoCount =
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static_cast<uint32_t>(queue_create_infos.size());
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device_create_info.ppEnabledExtensionNames = device_extensions.data();
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device_create_info.enabledExtensionCount = device_extensions.size();
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vkCreateDevice(physical_device, &device_create_info, nullptr, &device);
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@ -234,9 +246,180 @@ static void gfx_vulkan_create_device() {
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gfx_vulkan_create_command_pool(graphics_family_index);
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}
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static void gfx_vulkan_create_swapchain() {
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vkQueueWaitIdle(present_queue);
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// create surface from wapi
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VkSurfaceKHR surface =
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static_cast<VkSurfaceKHR>(gfx_get_current_windowing_api()->create_surface(instance));
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VkBool32 supported;
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vkGetPhysicalDeviceSurfaceSupportKHR(physical_device, 0,
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surface, &supported);
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// query swapchain support
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VkSurfaceCapabilitiesKHR capabilities;
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vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
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physical_device, surface, &capabilities);
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std::vector<VkSurfaceFormatKHR> formats;
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uint32_t format_count;
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vkGetPhysicalDeviceSurfaceFormatsKHR(
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physical_device, surface, &format_count, nullptr);
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formats.resize(format_count);
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vkGetPhysicalDeviceSurfaceFormatsKHR(
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physical_device, surface, &format_count, formats.data());
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std::vector<VkPresentModeKHR> present_modes;
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uint32_t present_mode_count;
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vkGetPhysicalDeviceSurfacePresentModesKHR(
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physical_device, surface, &present_mode_count, nullptr);
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present_modes.resize(present_mode_count);
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vkGetPhysicalDeviceSurfacePresentModesKHR(
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physical_device, surface, &present_mode_count,
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present_modes.data());
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// choosing swapchain features
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surface_format = formats[0].format;
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for (const auto& available_format : formats) {
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if (available_format.format == VK_FORMAT_B8G8R8A8_UNORM && available_format.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
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surface_format = available_format.format;
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}
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}
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VkPresentModeKHR present_mode = VK_PRESENT_MODE_FIFO_KHR;
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for (const auto& available_mode : present_modes) {
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if (available_mode == VK_PRESENT_MODE_MAILBOX_KHR) {
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present_mode = available_mode;
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}
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}
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uint32_t image_count = capabilities.minImageCount + 1;
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if (capabilities.maxImageCount > 0 && image_count > capabilities.maxImageCount) {
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image_count = capabilities.maxImageCount;
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}
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// create swapchain
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VkSwapchainCreateInfoKHR swapchain_create_info = {};
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swapchain_create_info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
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swapchain_create_info.surface = surface;
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swapchain_create_info.minImageCount = image_count;
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swapchain_create_info.imageFormat = surface_format;
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swapchain_create_info.imageColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR; // FIXME: hardcoded
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swapchain_create_info.imageExtent.width = 640; // FIXME: hardcoded
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swapchain_create_info.imageExtent.height = 480;
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swapchain_create_info.imageArrayLayers = 1;
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swapchain_create_info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
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swapchain_create_info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
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swapchain_create_info.preTransform = capabilities.currentTransform;
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swapchain_create_info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
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swapchain_create_info.presentMode = present_mode;
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swapchain_create_info.clipped = VK_TRUE;
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VkSwapchainKHR old_swapchain = swapchain;
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swapchain_create_info.oldSwapchain = old_swapchain;
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vkCreateSwapchainKHR(device, &swapchain_create_info, nullptr, &swapchain);
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if(old_swapchain != VK_NULL_HANDLE) {
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vkDestroySwapchainKHR(device, old_swapchain, nullptr);
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}
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vkGetSwapchainImagesKHR(device, swapchain, &image_count,
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nullptr);
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swapchain_images.resize(image_count);
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vkGetSwapchainImagesKHR(device, swapchain, &image_count, swapchain_images.data());
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swapchain_views.resize(swapchain_images.size());
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for (size_t i = 0; i < swapchain_images.size(); i++) {
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VkImageViewCreateInfo view_create_info = {};
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view_create_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
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view_create_info.image = swapchain_images[i];
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view_create_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
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view_create_info.format = surface_format;
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view_create_info.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
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view_create_info.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
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view_create_info.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
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view_create_info.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
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view_create_info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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view_create_info.subresourceRange.baseMipLevel = 0;
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view_create_info.subresourceRange.levelCount = 1;
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view_create_info.subresourceRange.baseArrayLayer = 0;
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view_create_info.subresourceRange.layerCount = 1;
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vkCreateImageView(device, &view_create_info, nullptr,&swapchain_views[i]);
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}
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printf("Initialized swap chain!\n");
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}
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static void gfx_vulkan_create_render_pass() {
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VkAttachmentDescription color_attachment = {};
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color_attachment.format = surface_format;
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color_attachment.samples = VK_SAMPLE_COUNT_1_BIT;
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color_attachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
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color_attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
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color_attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
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color_attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
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color_attachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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color_attachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
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VkAttachmentReference color_attachment_ref = {};
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color_attachment_ref.attachment = 0;
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color_attachment_ref.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
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VkAttachmentDescription depth_attachment = {};
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depth_attachment.format = VK_FORMAT_D32_SFLOAT;
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depth_attachment.samples = VK_SAMPLE_COUNT_1_BIT;
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depth_attachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
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depth_attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
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depth_attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
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depth_attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
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depth_attachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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depth_attachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
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VkAttachmentReference depth_attachment_ref = {};
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depth_attachment_ref.attachment = 1;
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depth_attachment_ref.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
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VkSubpassDependency dependency = {};
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dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
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dependency.dstSubpass = 0;
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dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
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dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
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dependency.srcAccessMask = 0;
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dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
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dependency.dependencyFlags = 0;
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VkSubpassDescription subpass = {};
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subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
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subpass.colorAttachmentCount = 1;
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subpass.pColorAttachments = &color_attachment_ref;
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subpass.pDepthStencilAttachment = &depth_attachment_ref;
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std::array<VkAttachmentDescription, 2> attachments = { color_attachment, depth_attachment };
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VkRenderPassCreateInfo render_pass_create_info = {};
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render_pass_create_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
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render_pass_create_info.attachmentCount = attachments.size();
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render_pass_create_info.pAttachments = attachments.data();
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render_pass_create_info.subpassCount = 1;
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render_pass_create_info.pSubpasses = &subpass;
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render_pass_create_info.dependencyCount = 1;
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render_pass_create_info.pDependencies = &dependency;
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vkCreateRenderPass(device, &render_pass_create_info, nullptr, &render_pass);
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}
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static void gfx_vulkan_renderer_init(void) {
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gfx_vulkan_create_instance();
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gfx_vulkan_create_device();
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gfx_vulkan_create_swapchain();
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gfx_vulkan_create_render_pass();
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}
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static void gfx_vulkan_renderer_on_resize(void) {
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