Command pool and buffers

main.cpp

@@ -70,6 +70,7 @@ typedef Vertex *VertexArray;
 typedef ShaderDataBuffer *ShaderDataBufferArray;
 typedef VkFence *VkFenceArray;
 typedef VkSemaphore *VkSemaphoreArray;
+typedef VkCommandBuffer *VkCommandBufferArray;
 
 wapp_intern inline void check(VkResult result);
 wapp_intern inline void check_swapchain(VkResult result);
@@ -109,6 +110,8 @@ wapp_intern ShaderDataBufferArray shader_data_bufs;
 wapp_intern VkFenceArray fences;
 wapp_intern VkSemaphoreArray image_acquired_semaphores;
 wapp_intern VkSemaphoreArray render_completed_semaphores = nullptr;
+wapp_intern VkCommandPool command_pool                   = VK_NULL_HANDLE; 
+wapp_intern VkCommandBufferArray command_buffers;
 
 int main() {
 	// {{{ Initialisation
@@ -569,8 +572,20 @@ int main() {
 	}
 	// }}}
 
-	// Command Pool {{{
+	// Command Pool & Buffers {{{
+	VkCommandPoolCreateInfo pool_create_info = {};
+	pool_create_info.sType                   = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
+	pool_create_info.flags                   = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
+	pool_create_info.queueFamilyIndex        = queue_family_index;
+	check(vkCreateCommandPool(device, &pool_create_info, NULL, &command_pool));
 
+	command_buffers = wapp_array_with_capacity(VkCommandBuffer, max_frames_in_flight, ARRAY_INIT_FILLED);
+
+	VkCommandBufferAllocateInfo buffer_alloc_info = {};
+	buffer_alloc_info.sType                       = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
+	buffer_alloc_info.commandPool                 = command_pool;
+	buffer_alloc_info.commandBufferCount          = max_frames_in_flight;
+	check(vkAllocateCommandBuffers(device, &buffer_alloc_info, command_buffers));
 	// }}}
 
 	// {{{ Render Loop
@@ -592,6 +607,8 @@ int main() {
 	// }}}
 
 	// {{{ Cleanup
+	vkFreeCommandBuffers(device, command_pool, max_frames_in_flight, command_buffers);
+	vkDestroyCommandPool(device, command_pool, NULL);
 	for (u32 i = 0; i < swapchain_image_count; ++i) {
 		vkDestroySemaphore(device, render_completed_semaphores[i], NULL);
 	}