ld58/code/first.c

#include <stdio.h>
#include <stdbool.h>
#include <SDL3/SDL.h>

#include "core/core.h"
#include "os/core.h"

#include "vulkan/core.h"

int main(int argc, char **argv) {
	(void) argc;
	(void) argv;

	if (!SDL_Init(SDL_INIT_VIDEO)) {
		printf("[Error] :: Failed to initialise SDL3 (%s)\n", SDL_GetError());
		return 1;
	}

	SDL_Window *window = SDL_CreateWindow("Ludum", 1280, 720, SDL_WINDOW_HIGH_PIXEL_DENSITY);
	if (!window) {
		printf("[Error] :: Failed to create window (%s)\n", SDL_GetError());
		return 1;
	}

	Vk_Setup(window);

	bool running = true;
	while (running) {
		SDL_Event e;
		while (SDL_PollEvent(&e)) {
			if (e.type == SDL_EVENT_QUIT) { running = false; }
		}

		int w, h;
		SDL_GetWindowSizeInPixels(window, &w, &h);

		Vk_Frame *frame = Vk_FrameBegin(window);
		VkCommandBuffer cmd = frame->cmd;

		VkImageMemoryBarrier2 colour_optimal = { 0 };
		colour_optimal.sType         = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2;
		colour_optimal.srcStageMask  = VK_PIPELINE_STAGE_2_NONE;
		colour_optimal.srcAccessMask = VK_ACCESS_2_NONE;
		colour_optimal.dstStageMask  = VK_PIPELINE_STAGE_2_COLOR_ATTACHMENT_OUTPUT_BIT;
		colour_optimal.dstAccessMask = VK_ACCESS_2_COLOR_ATTACHMENT_WRITE_BIT;
		colour_optimal.oldLayout     = VK_IMAGE_LAYOUT_UNDEFINED;
		colour_optimal.newLayout     = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
		colour_optimal.image         = vk.swapchain.images[frame->image];

		colour_optimal.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
		colour_optimal.subresourceRange.layerCount = 1;
		colour_optimal.subresourceRange.levelCount = 1;

		VkDependencyInfo colour_barrier = { 0 };
		colour_barrier.sType                   = VK_STRUCTURE_TYPE_DEPENDENCY_INFO;
		colour_barrier.imageMemoryBarrierCount = 1;
		colour_barrier.pImageMemoryBarriers    = &colour_optimal;

		vk.CmdPipelineBarrier2(cmd, &colour_barrier);

		VkClearValue clear_colour;
		clear_colour.color.float32[0] = 1.0f;
		clear_colour.color.float32[1] = 0.0f;
		clear_colour.color.float32[2] = 0.0f;
		clear_colour.color.float32[3] = 1.0f;

		VkRenderingAttachmentInfo colour_attachment = { 0 };
		colour_attachment.sType       = VK_STRUCTURE_TYPE_RENDERING_ATTACHMENT_INFO;
		colour_attachment.imageView   = vk.swapchain.views[frame->image];
		colour_attachment.imageLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
		colour_attachment.loadOp      = VK_ATTACHMENT_LOAD_OP_CLEAR;
		colour_attachment.storeOp     = VK_ATTACHMENT_STORE_OP_STORE;
		colour_attachment.clearValue  = clear_colour;

		VkRenderingInfo rendering_info = { 0 };
		rendering_info.sType                = VK_STRUCTURE_TYPE_RENDERING_INFO;
		rendering_info.renderArea           = (VkRect2D) { 0, 0, w, h };
		rendering_info.layerCount           = 1;
		rendering_info.colorAttachmentCount = 1;
		rendering_info.pColorAttachments    = &colour_attachment;

		vk.CmdBeginRendering(cmd, &rendering_info);

		vk.CmdEndRendering(cmd);

		VkImageMemoryBarrier2 present_src = { 0 };
		present_src.sType         = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2;
		present_src.srcStageMask  = VK_PIPELINE_STAGE_2_COLOR_ATTACHMENT_OUTPUT_BIT;
		present_src.srcAccessMask = VK_ACCESS_2_COLOR_ATTACHMENT_WRITE_BIT;
		present_src.dstStageMask  = VK_PIPELINE_STAGE_2_NONE;
		present_src.dstAccessMask = VK_ACCESS_2_NONE;
		present_src.oldLayout     = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
		present_src.newLayout     = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
		present_src.image         = vk.swapchain.images[frame->image];

		present_src.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
		present_src.subresourceRange.layerCount = 1;
		present_src.subresourceRange.levelCount = 1;

		VkDependencyInfo to_present = { 0 };
		to_present.sType                   = VK_STRUCTURE_TYPE_DEPENDENCY_INFO;
		to_present.imageMemoryBarrierCount = 1;
		to_present.pImageMemoryBarriers    = &present_src;

		vk.CmdPipelineBarrier2(cmd, &to_present);

		Vk_FrameEnd();
	}

	SDL_DestroyWindow(window);
	SDL_Quit();

	return 0;
}

#include "core/core.c"
#include "os/core.c"
#include "vulkan/core.c"