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xo-imgui: refactor ex4a: create_iamge_views -> .cpp

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This commit is contained in:
Roland Conybeare 2025-11-11 09:57:32 -05:00
commit 61a5ed1c90
2 changed files with 40 additions and 31 deletions
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27
xo-imgui/example/ex4a/VulkanApp.cpp
View file

@ -215,4 +215,31 @@ MinimalImGuiVulkan::create_swapchain()
vkGetSwapchainImagesKHR(device_, swapchain_, &n_image, this->swapchain_images_.data());
}
void
MinimalImGuiVulkan::create_image_views()
{
swapchain_image_views_.resize(swapchain_images_.size());
for (size_t i = 0; i < swapchain_images_.size(); i++) {
VkImageViewCreateInfo create_info{};
create_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
create_info.image = swapchain_images_[i];
create_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
create_info.format = swapchain_image_format_;
create_info.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
create_info.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
create_info.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
create_info.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
create_info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
create_info.subresourceRange.baseMipLevel = 0;
create_info.subresourceRange.levelCount = 1;
create_info.subresourceRange.baseArrayLayer = 0;
create_info.subresourceRange.layerCount = 1;
if (vkCreateImageView(device_, &create_info, nullptr, &swapchain_image_views_[i]) != VK_SUCCESS) {
throw std::runtime_error("Failed to create image views!");
}
}
}
/* end VulkanApp.cpp */

44
xo-imgui/example/ex4a/VulkanApp.hpp
View file

@ -52,30 +52,10 @@ private:
*/
void create_swapchain();
void create_image_views() {
swapchainImageViews.resize(swapchain_images_.size());
for (size_t i = 0; i < swapchain_images_.size(); i++) {
VkImageViewCreateInfo createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
createInfo.image = swapchain_images_[i];
createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
createInfo.format = swapchain_image_format_;
createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
createInfo.subresourceRange.baseMipLevel = 0;
createInfo.subresourceRange.levelCount = 1;
createInfo.subresourceRange.baseArrayLayer = 0;
createInfo.subresourceRange.layerCount = 1;
if (vkCreateImageView(device_, &createInfo, nullptr, &swapchainImageViews[i]) != VK_SUCCESS) {
throw std::runtime_error("Failed to create image views!");
}
}
}
/*
* populate @ref swapchain_image_views_
*/
void create_image_views();
void create_render_pass() {
VkAttachmentDescription colorAttachment{};
@ -120,10 +100,10 @@ private:
}
void create_framebuffers() {
framebuffers.resize(swapchainImageViews.size());
framebuffers.resize(swapchain_image_views_.size());
for (size_t i = 0; i < swapchainImageViews.size(); i++) {
VkImageView attachments[] = { swapchainImageViews[i] };
for (size_t i = 0; i < swapchain_image_views_.size(); i++) {
VkImageView attachments[] = { swapchain_image_views_[i] };
VkFramebufferCreateInfo framebufferInfo{};
framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
@ -462,10 +442,10 @@ private:
}
void cleanupImageViews() {
for (auto imageView : swapchainImageViews) {
for (auto imageView : swapchain_image_views_) {
vkDestroyImageView(device_, imageView, nullptr);
}
swapchainImageViews.clear();
swapchain_image_views_.clear();
}
void cleanupSwapchain() {
@ -518,11 +498,13 @@ private:
VkDevice device_;
VkQueue graphics_queue_;
VkSwapchainKHR swapchain_;
/* drawing state, dependent on window size */
VkFormat swapchain_image_format_;
VkExtent2D swapchain_extent_;
VkSwapchainKHR swapchain_;
std::vector<VkImage> swapchain_images_;
std::vector<VkImageView> swapchainImageViews;
std::vector<VkImageView> swapchain_image_views_;
VkRenderPass renderPass;
std::vector<VkFramebuffer> framebuffers;
VkCommandPool commandPool;