画线的代码写完

samples/api/texture_loading/texture_loading.h

@@ -56,6 +56,7 @@ public:
 
 	Texture texture = { 0 };
 	Texture texture_point = { 0 };
+	Texture texture_point_line = { 0 };
 	Texture cam_text = { 0 };
 
 	std::unique_ptr<vkb::core::BufferC> vertex_buffer;
@@ -65,6 +66,9 @@ public:
 	std::unique_ptr<vkb::core::BufferC> vertex_buffer_point;
 	uint32_t                            point_count = 0;
 
+	std::unique_ptr<vkb::core::BufferC> vertex_buffer_point_line;
+	uint32_t                            point_count_line = 0;
+
 	struct
 	{
 		glm::mat4 projection;
@@ -92,20 +96,24 @@ public:
 		VkPipeline solid;
 		VkPipeline background;
 		VkPipeline point;
+		VkPipeline line;
 	} pipelines;
 
 
 	VkPipelineLayout      pipeline_layout;
 	VkPipelineLayout      pipeline_layout_bg;
 	VkPipelineLayout      pipeline_layout_point;
+	VkPipelineLayout      pipeline_layout_point_line;
 
 	VkDescriptorSet       descriptor_set;
 	VkDescriptorSet       descriptor_set_bg;
 	VkDescriptorSet       descriptor_set_point;
+	VkDescriptorSet       descriptor_set_point_line;
 
 	VkDescriptorSetLayout descriptor_set_layout;
 	VkDescriptorSetLayout descriptor_set_layout_bg;
 	VkDescriptorSetLayout descriptor_set_layout_point;
+	VkDescriptorSetLayout descriptor_set_layout_point_line;
 
 	static TextureLoading* Get() {
 		return this_instance;
@@ -122,6 +130,7 @@ public:
 
 	void         draw();
 	void		 draw_point_cloud(VkCommandBuffer command_buffer);
+	void		 draw_point_cloud_line(VkCommandBuffer command_buffer);
 	void         generate_quad();
 
 	void         setup_descriptor_pool();
@@ -135,6 +144,9 @@ public:
 	void         setup_descriptor_set_layout_point();
 	void		 setup_descriptor_set_point();
 
+	void         setup_descriptor_set_layout_point_line();
+	void		 setup_descriptor_set_point_line();
+
 	void         prepare_uniform_buffers();
 	void         update_uniform_buffers();
 
@@ -145,6 +157,7 @@ public:
 	void         prepare_pipelines();
 	void		 prepare_pipeline_bg();
 	void		 prepare_pipeline_point();
+	void		 prepare_pipeline_point_line();
 
 
 	bool         prepare(const vkb::ApplicationOptions& options) override;
@@ -163,6 +176,7 @@ public:
 public:
 
 	void update_point_vertex_buffer(float* pos, int pointCount);
+	void update_point_vertex_buffer_line(float* pos, int pointCount_line);
 private:
 	std::thread workerThread;
 	bool running = false;
@@ -172,6 +186,7 @@ public:
 	//void start();
 	std::mutex mtx;
 	std::mutex mtx_point;
+	std::mutex mtx_point_line;
 	std::mutex mtx_mvp;
 	//void stop();
 	//void updateTexture();