-#include <stdio.h>
-
-#define GLFW_INCLUDE_VULKAN
-#include <GLFW/glfw3.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "vk.h"
-#include "util.h"
-
-
-/* static glfw callbacks */
-
-static void
-clb_key(GLFWwindow *win, int key, int scancode, int action, int mods);
-
-static void
-clb_reshape(GLFWwindow *win, int width, int height);
-
-/* static functions */
-
-static bool
-init(void);
-
-static void
-cleanup(void);
-
-static void
-display(void);
-
-/* static variables */
-
-static GLFWwindow *win;
-static bool redraw_pending;
-
-static bool vk_enable_layers = true;
-
-static int win_w = 800;
-static int win_h = 600;
-
-static struct vk_ctx vk_core;
-static VkSurfaceKHR vk_surf;
-static struct vk_renderer vk_rnd;
-static struct vk_swapchain vk_chain;
-static struct vk_semaphores vk_sema;
-static struct vk_attachment vk_depth_att;
-static float vk_fb_color[4] = { 0.0, 0.0, 0.5, 1.0 };
-
-/* make array later if many cmd buffers */
-static VkCommandBuffer vk_cmd_buf;
-
-/* empty for as long as we hardcode the vertices in the vertex shader */
-static struct vk_vertex_info vk_vert_info;
-
-int main(int argc, char** argv)
-{
- atexit(cleanup);
-
- if (!init()) {
- return 1;
- }
-
- /* reshape window once just in case */
-
- glfwGetWindowSize(win, &win_w, &win_h);
- clb_reshape(win, win_w, win_h);
-
- /* event loop */
- redraw_pending = true;
-
- while(!glfwWindowShouldClose(win)) {
- glfwWaitEvents();
- if (redraw_pending) {
- redraw_pending = false;
- display();
- }
- }
-
- return 0;
-}
-
-/* static functions */
-
-static bool
-init(void)
-{
- char *vsdr = 0;
- char *fsdr = 0;
- int vsz, fsz;
-
- /* initialize GLFW */
-
- if (!glfwInit()) {
- fprintf(stderr, "Failed to initialize GLFW.\n");
- return false;
- }
-
- if (glfwVulkanSupported() != GLFW_TRUE) {
- fprintf(stderr, "Vulkan is not supported on this device.\n");
- return false;
- }
-
- /* create window */
-
- glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
- win = glfwCreateWindow(win_w, win_h, "helloworld rt", 0, 0);
-
- if (!win) {
- fprintf(stderr, "Failed to create GLFW window\n");
- return false;
- }
-
- glfwSetKeyCallback(win, clb_key);
-
- /* initialize Vulkan context (instance) */
-
- if (!vk_init_ctx_for_rendering(&vk_core, true, vk_enable_layers)) {
- fprintf(stderr, "Failed to initialize Vulkan context.\n");
- return false;
- }
-
- /* create (Xcb) surface */
-
- glfwGetFramebufferSize(win, &win_h, &win_h);
- if (glfwCreateWindowSurface(vk_core.inst, win, 0, &vk_surf)
- != VK_SUCCESS) {
- fprintf(stderr, "Failed to create XCB surface.\n");
- return false;
- }
-
- /* create semaphores */
- if (!vk_create_semaphores(&vk_core, false, &vk_sema)) {
- fprintf(stderr, "No semaphores were created.\n");
- goto fail;
- }
-
- /* create swapchain */
- if (!vk_create_swapchain(&vk_core, win_w, win_h, false, vk_surf, 0, &vk_chain)) {
- fprintf(stderr, "No swapchain was created.\n");
- goto fail;
- }
-
- if (vk_chain.swapchain == VK_NULL_HANDLE) {
- fprintf(stderr, "Invalid swapchain handle.\n");
- goto fail;
- }
-
- /* create shaders */
- vsdr = sdr_load("data/main.vert.spv", &vsz);
- fsdr = sdr_load("data/main.frag.spv", &fsz);
-
- /* create depth attachment (for the moment we are going to use this
- * for all images */
- if (!vk_fill_image_props(&vk_core,
- win_w, win_h, 1,
- 1, 1, 1,
- VK_FORMAT_D32_SFLOAT_S8_UINT,
- VK_IMAGE_TILING_OPTIMAL,
- VK_IMAGE_LAYOUT_UNDEFINED,
- VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
- false, true, false,
- &vk_depth_att.props)) {
- fprintf(stderr, "Unsupported depth image properties\n");
- return false;
- }
- if (!vk_create_image(&vk_core, &vk_depth_att.props, &vk_depth_att.obj)) {
- fprintf(stderr, "Failed to create depth attachment.\n");
- goto fail;
- }
-
- /* create renderer */
- if (!vk_create_renderer(&vk_core,
- vsdr, vsz, fsdr, fsz,
- win_w, win_h, 1,
- false, false,
- vk_chain.num_atts, vk_chain.atts, &vk_depth_att,
- &vk_vert_info, &vk_rnd)) {
- goto fail;
- }
-
- /* create cmd buffer */
- if ((vk_cmd_buf = vk_create_cmd_buffer(&vk_core)) == VK_NULL_HANDLE) {
- fprintf(stderr, "Failed to create command buffer.\n");
- goto fail;
- }
-
- /* record cmd buffer */
- if (!vk_record_cmd_buffer(&vk_core, vk_cmd_buf,
- &vk_rnd, 0,
- 4, vk_fb_color,
- vk_chain.num_atts + 1, 0,
- 0, 0, win_w, win_h)) {
- fprintf(stderr, "Failed to record command buffer.\n");
- goto fail;
- }
-
- free(vsdr);
- free(fsdr);
-
- /* set GLFW callbacks */
-
- /* glfwSetWindowSizeCallback(win, clb_reshape); */
-
- /*
- glfwSetCursorPosCallback(win, clb_motion);
- glfwSetMouseButtonCallback(win, clb_mouse);
- */
-
- return true;
-
-fail:
- free(vsdr);
- free(fsdr);
-
- return false;
-}
-
-static void
-display(void)
-{
- uint32_t img_idx;
- VkSubmitInfo sinfo;
- VkPipelineStageFlags wait_stages = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
- VkPresentInfoKHR pinfo;
-
- vkAcquireNextImageKHR(vk_core.dev, vk_chain.swapchain,
- UINT64_MAX, vk_sema.frame_ready, 0, &img_idx);
-
- memset(&sinfo, 0, sizeof sinfo);
- sinfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
- sinfo.waitSemaphoreCount = 1;
- sinfo.pWaitSemaphores = &vk_sema.frame_ready;
- sinfo.pWaitDstStageMask = &wait_stages;
- sinfo.commandBufferCount = 1;
- sinfo.pCommandBuffers = &vk_cmd_buf;
- sinfo.signalSemaphoreCount = 1;
- sinfo.pSignalSemaphores = &vk_sema.frame_done;
-
- if (vkQueueSubmit(vk_core.queue, 1, &sinfo, 0) != 0) {
- fprintf(stderr, "Failed to submit draw commands.\n");
- abort();
- }
-
- memset(&pinfo, 0, sizeof pinfo);
- pinfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
- pinfo.waitSemaphoreCount = 1;
- pinfo.pWaitSemaphores = &vk_sema.frame_done;
- pinfo.swapchainCount = 1;
- pinfo.pSwapchains = &vk_chain.swapchain;
- pinfo.pImageIndices = &img_idx;
-
- vkQueuePresentKHR(vk_core.queue, &pinfo);
-}
-
-static void
-cleanup(void)
-{
- vkQueueWaitIdle(vk_core.queue);
-
- if (vk_cmd_buf != VK_NULL_HANDLE) {
- vkResetCommandBuffer(vk_cmd_buf, VK_COMMAND_BUFFER_RESET_RELEASE_RESOURCES_BIT);
- }
-
- vk_destroy_image(&vk_core, &vk_depth_att.obj);
- vk_destroy_semaphores(&vk_core, &vk_sema);
- vk_destroy_renderer(&vk_core, &vk_rnd);
-
- if (vk_chain.swapchain) {
- vk_destroy_swapchain(&vk_core, &vk_chain);
- vkDestroySurfaceKHR(vk_core.inst, vk_surf, 0);
- }
-
- glfwDestroyWindow(win);
-
- if (!vk_enable_layers)
- vkFreeCommandBuffers(vk_core.dev, vk_core.cmd_pool, 1, &vk_cmd_buf);
-
- vk_cleanup_ctx(&vk_core, vk_enable_layers);
-
- glfwTerminate();
-}
-
-/* glfw callbacks */
-
-static void
-clb_key(GLFWwindow *win, int key, int scancode,
- int action, int mods)
-{
- if (action == GLFW_PRESS) {
- switch(key) {
- case GLFW_KEY_ESCAPE:
- glfwSetWindowShouldClose(win, GLFW_TRUE);
- return;
- }
- }
-}
-
-static void
-clb_reshape(GLFWwindow *win, int width, int height)
-{
-}