Class ApiVulkanSample

framework/api_vulkan_sample.h:104–492

* @brief Sascha Willems base class for use in his ported samples into the framework * * See vkb::VulkanSample for documentation */

 * See vkb::VulkanSample for documentation
 */
class ApiVulkanSample : public vkb::VulkanSampleC
{
  public:
	ApiVulkanSample() = default;

	virtual ~ApiVulkanSample();

	virtual bool prepare(const vkb::ApplicationOptions &options) override;

	virtual void input_event(const vkb::InputEvent &input_event) override;

	virtual void update(float delta_time) override;

	virtual bool resize(const uint32_t width, const uint32_t height) override;

	virtual void render(float delta_time) = 0;

	enum RenderPassCreateFlags
	{
		ColorAttachmentLoad = 0x00000001
	};

  protected:
	/// Stores the swapchain image buffers
	std::vector<SwapchainBuffer> swapchain_buffers;

	virtual void create_render_context() override;

	// Handle to the device graphics queue that command buffers are submitted to
	VkQueue queue;

	// Depth buffer format (selected during Vulkan initialization)
	VkFormat depth_format;

	// Command buffer pool
	VkCommandPool cmd_pool;

	/** @brief Pipeline stages used to wait at for graphics queue submissions */
	VkPipelineStageFlags submit_pipeline_stages = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;

	// Contains command buffers and semaphores to be presented to the queue
	VkSubmitInfo submit_info;

	// Command buffers used for rendering
	std::vector<VkCommandBuffer> draw_cmd_buffers;

	// Global render pass for frame buffer writes
	VkRenderPass render_pass = VK_NULL_HANDLE;

	// Returns true if using dynamic rendering
	bool uses_dynamic_rendering() const
	{
		return render_pass == VK_NULL_HANDLE;
	}

	// List of available frame buffers (same as number of swap chain images)
	std::vector<VkFramebuffer> framebuffers;