--- /dev/null
+#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)
+{
+}
projects / vkrt / blobdiff