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#include <vulkan/vulkan.h>
#include <GLFW/glfw3.h>
#include <rune/render/renderer.h>
#include <rune/core/logging.h>
#include <rune/core/alloc.h>
#include <rune/core/abort.h>
#include "context.h"
#include "image.h"
#include <sys/time.h>
static struct vkcontext *context = NULL;
void _init_cmdbuffers(void) {
uint32_t num_buffers = context->swapchain->img_count;
if (context->cmdbuffers == NULL)
context->cmdbuffers = rune_calloc(0, sizeof(struct vkcmdbuffer*) * num_buffers);
for (uint32_t i = 0; i < num_buffers; i++) {
if (context->cmdbuffers[i] != NULL)
destroy_vkcmdbuffer(context->cmdbuffers[i], context->dev);
context->cmdbuffers[i] = create_vkcmdbuffer(context->dev, 1);
}
log_output(LOG_DEBUG, "Created %d command buffers", num_buffers);
}
void _destroy_cmdbuffers(void) {
uint32_t num_buffers = context->swapchain->img_count;
if (context->cmdbuffers == NULL)
return;
for (uint32_t i = 0; i < num_buffers; i++) {
if (context->cmdbuffers[i] != NULL)
destroy_vkcmdbuffer(context->cmdbuffers[i], context->dev);
}
log_output(LOG_DEBUG, "Destroyed %d command buffers", num_buffers);
}
void _init_framebuffers(void) {
uint32_t num_buffers = context->swapchain->img_count;
if (context->framebuffers == NULL)
context->framebuffers = rune_calloc(0, sizeof(struct vkframebuffer*) * num_buffers);
uint32_t at_count = 2;
for (uint32_t i = 0; i < num_buffers; i++) {
VkImageView attachments[at_count];
attachments[0] = context->swapchain->views[i];
attachments[1] = context->swapchain->depth_attachment->view;
if (context->framebuffers[i] != NULL)
destroy_vkframebuffer(context->framebuffers[i], context->dev);
context->framebuffers[i] = create_vkframebuffer(context->dev,
context->rendpass,
context->surface->width,
context->surface->height,
at_count,
attachments);
}
log_output(LOG_DEBUG, "Created %d frame buffers", num_buffers);
}
void _destroy_framebuffers(void) {
uint32_t num_buffers = context->swapchain->img_count;
if (context->framebuffers == NULL)
return;
for (uint32_t i = 0; i < num_buffers; i++)
destroy_vkframebuffer(context->framebuffers[i], context->dev);
log_output(LOG_DEBUG, "Destroyed %d frame buffers", num_buffers);
}
int _init_vulkan(struct rune_window *window) {
struct timeval start;
struct timeval stop;
gettimeofday(&start, NULL);
struct ext_container ext;
ext.extensions = glfwGetRequiredInstanceExtensions(&ext.ext_count);
struct vklayer_container *vklayers = init_vklayers(&ext);
context = create_vkcontext(vklayers, &ext);
if (context == NULL)
return -1;
VkResult res = glfwCreateWindowSurface(context->instance,
window->window,
NULL,
&context->surface->handle);
if (res != VK_SUCCESS) {
log_output(LOG_FATAL, "Cannot create rendering surface");
return -1;
}
context->dev = create_vkdev(context->instance,
context->surface->handle);
if (context->dev == NULL)
return -1;
context->surface->width = window->winw;
context->surface->height = window->winh;
context->swapchain = create_swapchain(context->surface, context->dev);
if (context->swapchain == NULL)
return -1;
vec4 area = {0, 0, context->surface->width, context->surface->height};
vec4 color = {0, 0, 0, 1.0f};
context->rendpass = create_vkrendpass(context->dev, context->swapchain, area, color, 1.0, 0);
if (context->rendpass == NULL)
return -1;
_init_framebuffers();
_init_cmdbuffers();
context->image_semaphores = rune_alloc(sizeof(VkSemaphore) * context->swapchain->max_frames);
context->queue_semaphores = rune_alloc(sizeof(VkSemaphore) * context->swapchain->max_frames);
context->fences_in_flight = rune_calloc(0, sizeof(struct vkfence*) * context->swapchain->max_frames);
VkSemaphoreCreateInfo scinfo;
for (uint8_t i = 0; i < context->swapchain->max_frames; i++) {
scinfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
scinfo.pNext = NULL;
scinfo.flags = 0;
vkCreateSemaphore(context->dev->ldev, &scinfo, NULL, &context->image_semaphores[i]);
vkCreateSemaphore(context->dev->ldev, &scinfo, NULL, &context->queue_semaphores[i]);
context->fences_in_flight[i] = create_vkfence(context->dev, 1);
}
context->images_in_flight = rune_calloc(0, sizeof(struct vkfence*) * context->swapchain->img_count);
gettimeofday(&stop, NULL);
log_output(LOG_INFO, "Finished initializing Vulkan in %lums", (stop.tv_sec - start.tv_sec) * 1000000 + stop.tv_usec - start.tv_usec);
return 0;
}
void _close_vulkan(void) {
vkDeviceWaitIdle(context->dev->ldev);
for (uint8_t i = 0; i < context->swapchain->max_frames; i++) {
if (context->image_semaphores[i] != NULL)
vkDestroySemaphore(context->dev->ldev, context->image_semaphores[i], NULL);
if (context->queue_semaphores[i] != NULL)
vkDestroySemaphore(context->dev->ldev, context->queue_semaphores[i], NULL);
destroy_vkfence(context->fences_in_flight[i], context->dev);
}
_destroy_cmdbuffers();
_destroy_framebuffers();
destroy_vkrendpass(context->rendpass, context->dev);
destroy_swapchain(context->swapchain, context->dev);
destroy_vkdev(context->dev);
destroy_vkcontext(context);
rune_free(renderer);
}
void _draw_vulkan(void) {
if (fence_lock(context->fences_in_flight[context->swapchain->frame], context->dev, UINT64_MAX) != 0)
log_output(LOG_WARN, "In-flight fence locking failure");
}
void _clear_vulkan(void) {
}
struct rune_renderer* select_render_vulkan(struct rune_window *window) {
struct rune_renderer *ret = rune_alloc(sizeof(struct rune_renderer));
ret->close = _close_vulkan;
ret->draw = _draw_vulkan;
ret->clear = _clear_vulkan;
if (_init_vulkan(window) != 0)
rune_abort();
return ret;
}
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