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xo-imgui: refactor ex4a: create_command_pool()

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This commit is contained in:
Roland Conybeare 2025-11-11 10:08:39 -05:00
commit a05770fc20
2 changed files with 23 additions and 15 deletions
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13
xo-imgui/example/ex4a/VulkanApp.cpp
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@ -309,4 +309,17 @@ MinimalImGuiVulkan::create_framebuffers()
} }
} }
void
MinimalImGuiVulkan::create_command_pool()
{
VkCommandPoolCreateInfo poolInfo{};
poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
poolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
poolInfo.queueFamilyIndex = graphics_queue_family_;
if (vkCreateCommandPool(device_, &poolInfo, nullptr, &(this->command_pool_)) != VK_SUCCESS) {
throw std::runtime_error("Failed to create command pool!");
}
}
/* end VulkanApp.cpp */ /* end VulkanApp.cpp */

25
xo-imgui/example/ex4a/VulkanApp.hpp
View file

@ -67,23 +67,17 @@ private:
*/ */
void create_framebuffers(); void create_framebuffers();
void create_command_pool() { /*
VkCommandPoolCreateInfo poolInfo{}; * populate @ref command_pool_
poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; */
poolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT; void create_command_pool();
poolInfo.queueFamilyIndex = graphics_queue_family_;
if (vkCreateCommandPool(device_, &poolInfo, nullptr, &commandPool) != VK_SUCCESS) {
throw std::runtime_error("Failed to create command pool!");
}
}
void create_command_buffers() { void create_command_buffers() {
commandBuffers.resize(MAX_FRAMES_IN_FLIGHT); commandBuffers.resize(MAX_FRAMES_IN_FLIGHT);
VkCommandBufferAllocateInfo allocInfo{}; VkCommandBufferAllocateInfo allocInfo{};
allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
allocInfo.commandPool = commandPool; allocInfo.commandPool = command_pool_;
allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
allocInfo.commandBufferCount = static_cast<uint32_t>(commandBuffers.size()); allocInfo.commandBufferCount = static_cast<uint32_t>(commandBuffers.size());
@ -181,7 +175,7 @@ private:
VkCommandBufferAllocateInfo allocInfo{}; VkCommandBufferAllocateInfo allocInfo{};
allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
allocInfo.commandPool = commandPool; allocInfo.commandPool = command_pool_;
allocInfo.commandBufferCount = 1; allocInfo.commandBufferCount = 1;
VkCommandBuffer commandBuffer; VkCommandBuffer commandBuffer;
@ -207,7 +201,7 @@ private:
vkQueueSubmit(graphics_queue_, 1, &submitInfo, VK_NULL_HANDLE); vkQueueSubmit(graphics_queue_, 1, &submitInfo, VK_NULL_HANDLE);
vkQueueWaitIdle(graphics_queue_); vkQueueWaitIdle(graphics_queue_);
vkFreeCommandBuffers(device_, commandPool, 1, &commandBuffer); vkFreeCommandBuffers(device_, command_pool_, 1, &commandBuffer);
} }
void main_loop() { void main_loop() {
@ -410,7 +404,7 @@ private:
vkDestroyFence(device_, inFlightFences[i], nullptr); vkDestroyFence(device_, inFlightFences[i], nullptr);
} }
vkDestroyCommandPool(device_, commandPool, nullptr); vkDestroyCommandPool(device_, command_pool_, nullptr);
this->cleanupFrameBuffers(); this->cleanupFrameBuffers();
this->cleanupImageViews(); this->cleanupImageViews();
@ -457,7 +451,8 @@ private:
std::vector<VkFramebuffer> framebuffers_; std::vector<VkFramebuffer> framebuffers_;
VkCommandPool commandPool; VkCommandPool command_pool_;
std::vector<VkCommandBuffer> commandBuffers; std::vector<VkCommandBuffer> commandBuffers;
std::vector<VkSemaphore> imageAvailableSemaphores; std::vector<VkSemaphore> imageAvailableSemaphores;
std::vector<VkSemaphore> renderFinishedSemaphores; std::vector<VkSemaphore> renderFinishedSemaphores;