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/*
* Rune Game Engine
* Copyright 2024 Danny Holman <dholman@gymli.org>
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#include "swapchain.h"
#include "image.h"
#include "device.h"
#include "vkassert.h"
#include <rune/core/logging.h>
#include <rune/core/alloc.h>
#include <rune/util/stubbed.h>
vkswapchain_t* create_swapchain(vksurface_t *surface, vkdev_t *dev) {
vkswapchain_t *swapchain = rune_alloc(sizeof(vkswapchain_t));
VkExtent2D sc_extent = {surface->width, surface->height};
swapchain->max_frames = 2;
get_swapchain_data(dev, &surface->handle);
swapchain->format_khr = dev->scdata.formats[0];
if (dev->scdata.capabilities.currentExtent.width != UINT32_MAX)
sc_extent = dev->scdata.capabilities.currentExtent;
VkExtent2D min = dev->scdata.capabilities.minImageExtent;
VkExtent2D max = dev->scdata.capabilities.maxImageExtent;
sc_extent.width = clamp(sc_extent.width, min.width, max.width);
sc_extent.height = clamp(sc_extent.height, min.height, max.height);
uint32_t img_count = dev->scdata.capabilities.minImageCount + 1;
if (dev->scdata.capabilities.maxImageCount > 0 && img_count > dev->scdata.capabilities.maxImageCount)
img_count = dev->scdata.capabilities.maxImageCount;
VkSwapchainCreateInfoKHR cinfo;
cinfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
cinfo.surface = surface->handle;
cinfo.minImageCount = img_count;
cinfo.imageFormat = swapchain->format_khr.format;
cinfo.imageColorSpace = swapchain->format_khr.colorSpace;
cinfo.imageExtent = sc_extent;
cinfo.imageArrayLayers = 1;
cinfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
cinfo.preTransform = dev->scdata.capabilities.currentTransform;
cinfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
cinfo.presentMode = VK_PRESENT_MODE_MAILBOX_KHR;
cinfo.clipped = VK_TRUE;
cinfo.oldSwapchain = NULL;
if (dev->queues[0].qfam != dev->queues[3].qfam) {
uint32_t qfams[] = {dev->queues[0].qfam, dev->queues[3].qfam};
cinfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
cinfo.queueFamilyIndexCount = 2;
cinfo.pQueueFamilyIndices = qfams;
} else {
cinfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
cinfo.queueFamilyIndexCount = 0;
cinfo.pQueueFamilyIndices = 0;
}
vkassert(vkCreateSwapchainKHR(dev->ldev, &cinfo, NULL, &swapchain->handle));
vkassert(vkGetSwapchainImagesKHR(dev->ldev, swapchain->handle, &swapchain->img_count, NULL));
swapchain->images = rune_alloc(sizeof(VkImage) * swapchain->img_count);
swapchain->views = rune_alloc(sizeof(VkImageView) * swapchain->img_count);
vkassert(vkGetSwapchainImagesKHR(dev->ldev, swapchain->handle, &swapchain->img_count, swapchain->images));
VkImageViewCreateInfo vcinfo;
for (uint32_t i = 0; i < swapchain->img_count; i++) {
vcinfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
vcinfo.pNext = NULL;
vcinfo.image = swapchain->images[i];
vcinfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
vcinfo.format = swapchain->format_khr.format;
vcinfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
vcinfo.subresourceRange.baseMipLevel = 0;
vcinfo.subresourceRange.levelCount = 1;
vcinfo.subresourceRange.baseArrayLayer = 0;
vcinfo.subresourceRange.layerCount = 1;
vkassert(vkCreateImageView(dev->ldev, &vcinfo, NULL, &swapchain->views[i]));
}
if (get_depth_format(dev) == 0) {
log_output(LOG_FATAL, "Failed to find a supported image format");
rune_abort();
}
swapchain->depth_attachment = create_vkimage(dev,
dev->depth_format,
surface->width,
surface->height,
VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
VK_IMAGE_ASPECT_DEPTH_BIT,
1);
swapchain->frame = 0;
log_output(LOG_DEBUG, "Initialized swapchain");
return swapchain;
}
void destroy_swapchain(vkswapchain_t *swapchain, vkdev_t *dev) {
for (uint32_t i = 0; i < swapchain->img_count; i++)
vkDestroyImageView(dev->ldev, swapchain->views[i], NULL);
destroy_vkimage(swapchain->depth_attachment, dev);
vkDestroySwapchainKHR(dev->ldev, swapchain->handle, NULL);
rune_free(swapchain->images);
rune_free(swapchain->views);
}
int32_t vkswapchain_get_next_img(vkswapchain_t *swapchain, vkdev_t *dev, uint64_t tmout, VkFence fence, VkSemaphore img_available) {
uint32_t ret = 0;
VkResult res = vkAcquireNextImageKHR(dev->ldev, swapchain->handle, tmout, img_available, fence, &ret);
if (res != VK_SUCCESS && res != VK_SUBOPTIMAL_KHR) {
log_output(LOG_ERROR, "Error on getting next image index");
return -1;
}
return (int32_t)ret;
}
void vkswapchain_present(vkswapchain_t *swapchain, vkdev_t *dev, VkSemaphore *render_complete, uint32_t *img_index) {
VkPresentInfoKHR pinfo;
pinfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
pinfo.pNext = NULL;
pinfo.waitSemaphoreCount = 1;
pinfo.pWaitSemaphores = render_complete;
pinfo.swapchainCount = 1;
pinfo.pSwapchains = &swapchain->handle;
pinfo.pImageIndices = img_index;
pinfo.pResults = NULL;
VkResult res = vkQueuePresentKHR(dev->queues[3].handle, &pinfo);
if (res == VK_ERROR_OUT_OF_DATE_KHR || res == VK_SUBOPTIMAL_KHR)
STUBBED("Recreate swapchain");
else if (res != VK_SUCCESS)
log_output(LOG_ERROR, "Vulkan error: %s", get_vkerr_str(res));
swapchain->frame = (swapchain->frame + 1) % swapchain->max_frames;
}
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