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xo-imgui: refactor ex4a: create_frame_buffers()

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This commit is contained in:
Roland Conybeare 2025-11-11 10:05:55 -05:00
commit a373b8da21
2 changed files with 32 additions and 24 deletions
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23
xo-imgui/example/ex4a/VulkanApp.cpp
View file

@ -286,4 +286,27 @@ MinimalImGuiVulkan::create_render_pass()
}
}
void
MinimalImGuiVulkan::create_framebuffers()
{
framebuffers_.resize(swapchain_image_views_.size());
for (size_t i = 0; i < swapchain_image_views_.size(); i++) {
VkImageView attachments[] = { swapchain_image_views_[i] };
VkFramebufferCreateInfo framebuffer_info{};
framebuffer_info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
framebuffer_info.renderPass = render_pass_;
framebuffer_info.attachmentCount = 1;
framebuffer_info.pAttachments = attachments;
framebuffer_info.width = swapchain_extent_.width;
framebuffer_info.height = swapchain_extent_.height;
framebuffer_info.layers = 1;
if (vkCreateFramebuffer(device_, &framebuffer_info, nullptr, &(this->framebuffers_[i])) != VK_SUCCESS) {
throw std::runtime_error("Failed to create framebuffer!");
}
}
}
/* end VulkanApp.cpp */

33
xo-imgui/example/ex4a/VulkanApp.hpp
View file

@ -62,26 +62,10 @@ private:
*/
void create_render_pass();
void create_framebuffers() {
framebuffers.resize(swapchain_image_views_.size());
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;
framebufferInfo.renderPass = render_pass_;
framebufferInfo.attachmentCount = 1;
framebufferInfo.pAttachments = attachments;
framebufferInfo.width = swapchain_extent_.width;
framebufferInfo.height = swapchain_extent_.height;
framebufferInfo.layers = 1;
if (vkCreateFramebuffer(device_, &framebufferInfo, nullptr, &framebuffers[i]) != VK_SUCCESS) {
throw std::runtime_error("Failed to create framebuffer!");
}
}
}
/*
* populate @ref framebuffers_
*/
void create_framebuffers();
void create_command_pool() {
VkCommandPoolCreateInfo poolInfo{};
@ -333,7 +317,7 @@ private:
VkRenderPassBeginInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassInfo.renderPass = render_pass_;
renderPassInfo.framebuffer = framebuffers[imageIndex];
renderPassInfo.framebuffer = framebuffers_[imageIndex];
renderPassInfo.renderArea.offset = {0, 0};
renderPassInfo.renderArea.extent = swapchain_extent_;
@ -398,10 +382,10 @@ private:
}
void cleanupFrameBuffers() {
for (auto framebuffer : framebuffers) {
for (auto framebuffer : framebuffers_) {
vkDestroyFramebuffer(device_, framebuffer, nullptr);
}
framebuffers.clear();
framebuffers_.clear();
}
void cleanupImageViews() {
@ -471,7 +455,8 @@ private:
VkRenderPass render_pass_;
std::vector<VkFramebuffer> framebuffers;
std::vector<VkFramebuffer> framebuffers_;
VkCommandPool commandPool;
std::vector<VkCommandBuffer> commandBuffers;
std::vector<VkSemaphore> imageAvailableSemaphores;