Visual GPU profiler and related profiling support in Vulkan.

core/color.cpp

@@ -529,14 +529,6 @@ Color Color::operator+(const Color &p_color) const {
 			a + p_color.a);
 }
 
-void Color::operator+=(const Color &p_color) {
-
-	r = r + p_color.r;
-	g = g + p_color.g;
-	b = b + p_color.b;
-	a = a + p_color.a;
-}
-
 Color Color::operator-(const Color &p_color) const {
 
 	return Color(

core/color.h

@@ -70,7 +70,12 @@ struct Color {
 	}
 
 	Color operator+(const Color &p_color) const;
-	void operator+=(const Color &p_color);
+	_FORCE_INLINE_ void operator+=(const Color &p_color) {
+		r = r + p_color.r;
+		g = g + p_color.g;
+		b = b + p_color.b;
+		a = a + p_color.a;
+	}
 
 	Color operator-() const;
 	Color operator-(const Color &p_color) const;

drivers/vulkan/rendering_device_vulkan.cpp

@@ -31,6 +31,7 @@
 #include "rendering_device_vulkan.h"
 #include "core/hashfuncs.h"
 #include "core/os/file_access.h"
+#include "core/os/os.h"
 #include "core/project_settings.h"
 #include "drivers/vulkan/vulkan_context.h"
 #include "thirdparty/spirv-reflect/spirv_reflect.h"
@@ -6167,6 +6168,20 @@ void RenderingDeviceVulkan::advance_frame() {
 		staging_buffer_current = (staging_buffer_current + 1) % staging_buffer_blocks.size();
 		staging_buffer_used = false;
 	}
+
+	if (frames[frame].timestamp_count) {
+		vkGetQueryPoolResults(device, frames[frame].timestamp_pool, 0, frames[frame].timestamp_count, sizeof(uint64_t) * max_timestamp_query_elements, frames[frame].timestamp_result_values, sizeof(uint64_t), VK_QUERY_RESULT_64_BIT);
+		SWAP(frames[frame].timestamp_names, frames[frame].timestamp_result_names);
+		SWAP(frames[frame].timestamp_cpu_values, frames[frame].timestamp_cpu_result_values);
+	}
+
+	frames[frame].timestamp_result_count = frames[frame].timestamp_count;
+	frames[frame].timestamp_count = 0;
+	frames[frame].index = Engine::get_singleton()->get_frames_drawn();
+}
+
+uint32_t RenderingDeviceVulkan::get_frame_delay() const {
+	return frame_count;
 }
 
 void RenderingDeviceVulkan::_flush(bool p_current_frame) {
@@ -6209,6 +6224,7 @@ void RenderingDeviceVulkan::initialize(VulkanContext *p_context) {
 	device = p_context->get_device();
 	frame_count = p_context->get_swapchain_image_count() + 1; //always need one extra to ensure it's unused at any time, without having to use a fence for this.
 	limits = p_context->get_device_limits();
+	max_timestamp_query_elements = 256;
 
 	{ //initialize allocator
 
@@ -6224,6 +6240,8 @@ void RenderingDeviceVulkan::initialize(VulkanContext *p_context) {
 	//create setup and frame buffers
 	for (int i = 0; i < frame_count; i++) {
 
+		frames[i].index = 0;
+
 		{ //create command pool, one per frame is recommended
 			VkCommandPoolCreateInfo cmd_pool_info;
 			cmd_pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
@@ -6251,6 +6269,27 @@ void RenderingDeviceVulkan::initialize(VulkanContext *p_context) {
 			err = vkAllocateCommandBuffers(device, &cmdbuf, &frames[i].draw_command_buffer);
 			ERR_CONTINUE(err);
 		}
+
+		{
+			//create query pool
+			VkQueryPoolCreateInfo query_pool_create_info;
+			query_pool_create_info.sType = VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO;
+			query_pool_create_info.flags = 0;
+			query_pool_create_info.pNext = NULL;
+			query_pool_create_info.queryType = VK_QUERY_TYPE_TIMESTAMP;
+			query_pool_create_info.queryCount = max_timestamp_query_elements;
+			query_pool_create_info.pipelineStatistics = 0;
+
+			vkCreateQueryPool(device, &query_pool_create_info, NULL, &frames[i].timestamp_pool);
+
+			frames[i].timestamp_names = memnew_arr(String, max_timestamp_query_elements);
+			frames[i].timestamp_cpu_values = memnew_arr(uint64_t, max_timestamp_query_elements);
+			frames[i].timestamp_count = 0;
+			frames[i].timestamp_result_names = memnew_arr(String, max_timestamp_query_elements);
+			frames[i].timestamp_cpu_result_values = memnew_arr(uint64_t, max_timestamp_query_elements);
+			frames[i].timestamp_result_values = memnew_arr(uint64_t, max_timestamp_query_elements);
+			frames[i].timestamp_result_count = 0;
+		}
 	}
 
 	{
@@ -6319,6 +6358,37 @@ void RenderingDeviceVulkan::_free_rids(T &p_owner, const char *p_type) {
 	}
 }
 
+void RenderingDeviceVulkan::capture_timestamp(const String &p_name, bool p_sync_to_draw) {
+
+	ERR_FAIL_COND(frames[frame].timestamp_count >= max_timestamp_query_elements);
+
+	vkCmdWriteTimestamp(p_sync_to_draw ? frames[frame].draw_command_buffer : frames[frame].setup_command_buffer, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, frames[frame].timestamp_pool, frames[frame].timestamp_count);
+	frames[frame].timestamp_names[frames[frame].timestamp_count] = p_name;
+	frames[frame].timestamp_cpu_values[frames[frame].timestamp_count] = OS::get_singleton()->get_ticks_usec();
+	frames[frame].timestamp_count++;
+}
+
+uint32_t RenderingDeviceVulkan::get_captured_timestamps_count() const {
+	return frames[frame].timestamp_result_count;
+}
+
+uint64_t RenderingDeviceVulkan::get_captured_timestamps_frame() const {
+	return frames[frame].index;
+}
+
+uint64_t RenderingDeviceVulkan::get_captured_timestamp_gpu_time(uint32_t p_index) const {
+	ERR_FAIL_INDEX_V(p_index, frames[frame].timestamp_result_count, 0);
+	return frames[frame].timestamp_result_values[p_index];
+}
+uint64_t RenderingDeviceVulkan::get_captured_timestamp_cpu_time(uint32_t p_index) const {
+	ERR_FAIL_INDEX_V(p_index, frames[frame].timestamp_result_count, 0);
+	return frames[frame].timestamp_cpu_result_values[p_index];
+}
+String RenderingDeviceVulkan::get_captured_timestamp_name(uint32_t p_index) const {
+	ERR_FAIL_INDEX_V(p_index, frames[frame].timestamp_result_count, String());
+	return frames[frame].timestamp_result_names[p_index];
+}
+
 int RenderingDeviceVulkan::limit_get(Limit p_limit) {
 	switch (p_limit) {
 		case LIMIT_MAX_BOUND_UNIFORM_SETS: return limits.maxBoundDescriptorSets;
@@ -6400,6 +6470,12 @@ void RenderingDeviceVulkan::finalize() {
 		int f = (frame + i) % frame_count;
 		_free_pending_resources(f);
 		vkDestroyCommandPool(device, frames[i].command_pool, NULL);
+		vkDestroyQueryPool(device, frames[i].timestamp_pool, NULL);
+		memdelete_arr(frames[i].timestamp_names);
+		memdelete_arr(frames[i].timestamp_cpu_values);
+		memdelete_arr(frames[i].timestamp_result_names);
+		memdelete_arr(frames[i].timestamp_result_values);
+		memdelete_arr(frames[i].timestamp_cpu_result_values);
 	}
 
 	for (int i = 0; i < split_draw_list_allocators.size(); i++) {

drivers/vulkan/rendering_device_vulkan.h

@@ -828,8 +828,26 @@ class RenderingDeviceVulkan : public RenderingDevice {
 		VkCommandPool command_pool;
 		VkCommandBuffer setup_command_buffer; //used at the begining of every frame for set-up
 		VkCommandBuffer draw_command_buffer; //used at the begining of every frame for set-up
+
+		struct Timestamp {
+			String description;
+			uint64_t value;
+		};
+
+		VkQueryPool timestamp_pool;
+
+		String *timestamp_names;
+		uint64_t *timestamp_cpu_values;
+		uint32_t timestamp_count;
+		String *timestamp_result_names;
+		uint64_t *timestamp_cpu_result_values;
+		uint64_t *timestamp_result_values;
+		uint32_t timestamp_result_count;
+		uint64_t index;
 	};
 
+	uint32_t max_timestamp_query_elements;
+
 	Frame *frames; //frames available, they are cycled (usually 3)
 	int frame; //current frame
 	int frame_count; //total amount of frames
@@ -958,6 +976,21 @@ public:
 
 	virtual void free(RID p_id);
 
+	/****************/
+	/**** Timing ****/
+	/****************/
+
+	virtual void capture_timestamp(const String &p_name, bool p_sync_to_draw);
+	virtual uint32_t get_captured_timestamps_count() const;
+	virtual uint64_t get_captured_timestamps_frame() const;
+	virtual uint64_t get_captured_timestamp_gpu_time(uint32_t p_index) const;
+	virtual uint64_t get_captured_timestamp_cpu_time(uint32_t p_index) const;
+	virtual String get_captured_timestamp_name(uint32_t p_index) const;
+
+	/****************/
+	/**** Limits ****/
+	/****************/
+
 	virtual int limit_get(Limit p_limit);
 
 	virtual void prepare_screen_for_drawing();
@@ -967,6 +1000,8 @@ public:
 	virtual void finalize_frame();
 	virtual void advance_frame();
 
+	virtual uint32_t get_frame_delay() const;
+
 	RenderingDeviceVulkan();
 };
 

editor/editor_visual_profiler.cpp

@@ -0,0 +1,833 @@
+#include "editor_visual_profiler.h"
+
+#include "core/os/os.h"
+#include "editor_scale.h"
+#include "editor_settings.h"
+
+void EditorVisualProfiler::add_frame_metric(const Metric &p_metric) {
+
+	++last_metric;
+	if (last_metric >= frame_metrics.size())
+		last_metric = 0;
+
+	frame_metrics.write[last_metric] = p_metric;
+	//	_make_metric_ptrs(frame_metrics.write[last_metric]);
+
+	List<String> stack;
+	for (int i = 0; i < frame_metrics[last_metric].areas.size(); i++) {
+		String name = frame_metrics[last_metric].areas[i].name;
+		frame_metrics.write[last_metric].areas.write[i].color_cache = _get_color_from_signature(name);
+		String full_name;
+
+		if (name[0] == '<') {
+			stack.pop_back();
+		}
+
+		if (stack.size()) {
+			full_name = stack.back()->get() + name;
+		} else {
+			full_name = name;
+		}
+
+		if (name[0] == '>') {
+
+			stack.push_back(full_name + "/");
+		}
+
+		frame_metrics.write[last_metric].areas.write[i].fullpath_cache = full_name;
+	}
+
+	updating_frame = true;
+	cursor_metric_edit->set_max(frame_metrics[last_metric].frame_number);
+	cursor_metric_edit->set_min(MAX(frame_metrics[last_metric].frame_number - frame_metrics.size(), 0));
+
+	if (!seeking) {
+		cursor_metric_edit->set_value(frame_metrics[last_metric].frame_number);
+		if (hover_metric != -1) {
+			hover_metric++;
+			if (hover_metric >= frame_metrics.size()) {
+				hover_metric = 0;
+			}
+		}
+	}
+	updating_frame = false;
+
+	if (frame_delay->is_stopped()) {
+
+		frame_delay->set_wait_time(0.1);
+		frame_delay->start();
+	}
+
+	if (plot_delay->is_stopped()) {
+		plot_delay->set_wait_time(0.1);
+		plot_delay->start();
+	}
+}
+
+void EditorVisualProfiler::clear() {
+
+	int metric_size = EditorSettings::get_singleton()->get("debugger/profiler_frame_history_size");
+	metric_size = CLAMP(metric_size, 60, 1024);
+	frame_metrics.clear();
+	frame_metrics.resize(metric_size);
+	last_metric = -1;
+	variables->clear();
+	//activate->set_pressed(false);
+
+	updating_frame = true;
+	cursor_metric_edit->set_min(0);
+	cursor_metric_edit->set_max(0);
+	cursor_metric_edit->set_value(0);
+	updating_frame = false;
+	hover_metric = -1;
+	seeking = false;
+}
+
+static String _get_percent_txt(float p_value, float p_total) {
+	if (p_total == 0)
+		p_total = 0.00001;
+	return String::num((p_value / p_total) * 100, 1) + "%";
+}
+
+String EditorVisualProfiler::_get_time_as_text(float p_time) {
+
+	int dmode = display_mode->get_selected();
+
+	if (dmode == DISPLAY_FRAME_TIME) {
+		return rtos(p_time) + "ms";
+	} else if (dmode == DISPLAY_FRAME_PERCENT) {
+		return String::num(p_time * 100 / graph_limit, 2) + "%"; //_get_percent_txt(p_time, m.frame_time);
+	}
+
+	return "err";
+}
+
+Color EditorVisualProfiler::_get_color_from_signature(const StringName &p_signature) const {
+
+	Color bc = get_color("error_color", "Editor");
+	double rot = ABS(double(p_signature.hash()) / double(0x7FFFFFFF));
+	Color c;
+	c.set_hsv(rot, bc.get_s(), bc.get_v());
+	return c.linear_interpolate(get_color("base_color", "Editor"), 0.07);
+}
+
+void EditorVisualProfiler::_item_selected() {
+
+	if (updating_frame)
+		return;
+
+	TreeItem *item = variables->get_selected();
+	if (!item)
+		return;
+	selected_area = item->get_metadata(0);
+	_update_plot();
+}
+
+void EditorVisualProfiler::_update_plot() {
+
+	int w = graph->get_size().width;
+	int h = graph->get_size().height;
+
+	bool reset_texture = false;
+
+	int desired_len = w * h * 4;
+
+	if (graph_image.size() != desired_len) {
+		reset_texture = true;
+		graph_image.resize(desired_len);
+	}
+
+	PoolVector<uint8_t>::Write wr = graph_image.write();
+
+	//clear
+	for (int i = 0; i < desired_len; i += 4) {
+		wr[i + 0] = 0;
+		wr[i + 1] = 0;
+		wr[i + 2] = 0;
+		wr[i + 3] = 255;
+	}
+
+	//find highest value
+
+	float highest_cpu = 0;
+	float highest_gpu = 0;
+
+	for (int i = 0; i < frame_metrics.size(); i++) {
+		const Metric &m = frame_metrics[i];
+		if (!m.valid)
+			continue;
+
+		if (m.areas.size()) {
+			highest_cpu = MAX(highest_cpu, m.areas[m.areas.size() - 1].cpu_time);
+			highest_gpu = MAX(highest_gpu, m.areas[m.areas.size() - 1].gpu_time);
+		}
+	}
+
+	if (highest_cpu > 0 || highest_gpu > 0) {
+
+		if (frame_relative->is_pressed()) {
+			highest_cpu = MAX(graph_limit, highest_cpu);
+			highest_gpu = MAX(graph_limit, highest_gpu);
+		}
+
+		if (linked->is_pressed()) {
+			float highest = MAX(highest_cpu, highest_gpu);
+			highest_cpu = highest_gpu = highest;
+		}
+
+		//means some data exists..
+		highest_cpu *= 1.2; //leave some upper room
+		highest_gpu *= 1.2; //leave some upper room
+		graph_height_cpu = highest_cpu;
+		graph_height_gpu = highest_gpu;
+
+		Vector<Color> columnv_cpu;
+		columnv_cpu.resize(h);
+		Color *column_cpu = columnv_cpu.ptrw();
+
+		Vector<Color> columnv_gpu;
+		columnv_gpu.resize(h);
+		Color *column_gpu = columnv_gpu.ptrw();
+
+		int half_w = w / 2;
+		for (int i = 0; i < half_w; i++) {
+			for (int j = 0; j < h; j++) {
+				column_cpu[j] = Color(0, 0, 0, 0);
+				column_gpu[j] = Color(0, 0, 0, 0);
+			}
+
+			int current = i * frame_metrics.size() / half_w;
+			int next = (i + 1) * frame_metrics.size() / half_w;
+			if (next > frame_metrics.size()) {
+				next = frame_metrics.size();
+			}
+			if (next == current)
+				next = current + 1; //just because for loop must work
+
+			for (int j = current; j < next; j++) {
+
+				//wrap
+				int idx = last_metric + 1 + j;
+				while (idx >= frame_metrics.size()) {
+					idx -= frame_metrics.size();
+				}
+
+				int area_count = frame_metrics[idx].areas.size();
+				const Metric::Area *areas = frame_metrics[idx].areas.ptr();
+				int prev_cpu = 0;
+				int prev_gpu = 0;
+				for (int k = 1; k < area_count; k++) {
+					int ofs_cpu = int(areas[k].cpu_time * h / highest_cpu);
+					ofs_cpu = CLAMP(ofs_cpu, 0, h - 1);
+					Color color = selected_area == areas[k - 1].fullpath_cache ? Color(1, 1, 1, 1) : areas[k - 1].color_cache;
+
+					for (int l = prev_cpu; l < ofs_cpu; l++) {
+						column_cpu[h - l - 1] += color;
+					}
+					prev_cpu = ofs_cpu;
+
+					int ofs_gpu = int(areas[k].gpu_time * h / highest_gpu);
+					ofs_gpu = CLAMP(ofs_gpu, 0, h - 1);
+					for (int l = prev_gpu; l < ofs_gpu; l++) {
+						column_gpu[h - l - 1] += color;
+					}
+
+					prev_gpu = ofs_gpu;
+				}
+			}
+
+			//plot CPU
+			for (int j = 0; j < h; j++) {
+
+				uint8_t r, g, b;
+
+				if (column_cpu[j].a == 0) {
+					r = 0;
+					g = 0;
+					b = 0;
+				} else {
+					r = CLAMP((column_cpu[j].r / column_cpu[j].a) * 255.0, 0, 255);
+					g = CLAMP((column_cpu[j].g / column_cpu[j].a) * 255.0, 0, 255);
+					b = CLAMP((column_cpu[j].b / column_cpu[j].a) * 255.0, 0, 255);
+				}
+
+				int widx = (j * w + i) * 4;
+				wr[widx + 0] = r;
+				wr[widx + 1] = g;
+				wr[widx + 2] = b;
+				wr[widx + 3] = 255;
+			}
+			//plot GPU
+			for (int j = 0; j < h; j++) {
+
+				uint8_t r, g, b;
+
+				if (column_gpu[j].a == 0) {
+					r = 0;
+					g = 0;
+					b = 0;
+				} else {
+					r = CLAMP((column_gpu[j].r / column_gpu[j].a) * 255.0, 0, 255);
+					g = CLAMP((column_gpu[j].g / column_gpu[j].a) * 255.0, 0, 255);
+					b = CLAMP((column_gpu[j].b / column_gpu[j].a) * 255.0, 0, 255);
+				}
+
+				int widx = (j * w + w / 2 + i) * 4;
+				wr[widx + 0] = r;
+				wr[widx + 1] = g;
+				wr[widx + 2] = b;
+				wr[widx + 3] = 255;
+			}
+		}
+	}
+
+	wr.release();
+
+	Ref<Image> img;
+	img.instance();
+	img->create(w, h, 0, Image::FORMAT_RGBA8, graph_image);
+
+	if (reset_texture) {
+
+		if (graph_texture.is_null()) {
+			graph_texture.instance();
+		}
+		graph_texture->create_from_image(img);
+	}
+
+	graph_texture->update(img, true);
+
+	graph->set_texture(graph_texture);
+	graph->update();
+}
+
+void EditorVisualProfiler::_update_frame(bool p_focus_selected) {
+
+	int cursor_metric = _get_cursor_index();
+
+	Ref<Texture> track_icon = get_icon("TrackColor", "EditorIcons");
+
+	ERR_FAIL_INDEX(cursor_metric, frame_metrics.size());
+
+	updating_frame = true;
+	variables->clear();
+
+	TreeItem *root = variables->create_item();
+	const Metric &m = frame_metrics[cursor_metric];
+
+	List<TreeItem *> stack;
+	List<TreeItem *> categories;
+
+	TreeItem *ensure_selected = nullptr;
+
+	for (int i = 1; i < m.areas.size() - 1; i++) {
+
+		TreeItem *parent = stack.size() ? stack.back()->get() : root;
+
+		String name = m.areas[i].name;
+
+		float cpu_time = m.areas[i].cpu_time;
+		float gpu_time = m.areas[i].gpu_time;
+		if (i < m.areas.size() - 1) {
+			cpu_time = m.areas[i + 1].cpu_time - cpu_time;
+			gpu_time = m.areas[i + 1].gpu_time - gpu_time;
+		}
+
+		if (name.begins_with(">")) {
+			TreeItem *category = variables->create_item(parent);
+
+			stack.push_back(category);
+			categories.push_back(category);
+
+			name = name.substr(1, name.length());
+
+			category->set_text(0, name);
+			category->set_metadata(1, cpu_time);
+			category->set_metadata(2, gpu_time);
+			continue;
+		}
+
+		if (name.begins_with("<")) {
+			stack.pop_back();
+			continue;
+		}
+		TreeItem *category = variables->create_item(parent);
+
+		for (List<TreeItem *>::Element *E = stack.front(); E; E = E->next()) {
+			float total_cpu = E->get()->get_metadata(1);
+			float total_gpu = E->get()->get_metadata(2);
+			total_cpu += cpu_time;
+			total_gpu += gpu_time;
+			E->get()->set_metadata(1, cpu_time);
+			E->get()->set_metadata(2, gpu_time);
+		}
+
+		category->set_icon(0, track_icon);
+		category->set_icon_modulate(0, m.areas[i].color_cache);
+		category->set_selectable(0, true);
+		category->set_metadata(0, m.areas[i].fullpath_cache);
+		category->set_text(0, m.areas[i].name);
+		category->set_text(1, _get_time_as_text(cpu_time));
+		category->set_metadata(1, m.areas[i].cpu_time);
+		category->set_text(2, _get_time_as_text(gpu_time));
+		category->set_metadata(2, m.areas[i].gpu_time);
+
+		if (selected_area == m.areas[i].fullpath_cache) {
+			category->select(0);
+			if (p_focus_selected) {
+				ensure_selected = category;
+			}
+		}
+	}
+
+	for (List<TreeItem *>::Element *E = categories.front(); E; E = E->next()) {
+		float total_cpu = E->get()->get_metadata(1);
+		float total_gpu = E->get()->get_metadata(2);
+		E->get()->set_text(1, _get_time_as_text(total_cpu));
+		E->get()->set_text(2, _get_time_as_text(total_gpu));
+	}
+
+	if (ensure_selected) {
+		variables->ensure_cursor_is_visible();
+	}
+	updating_frame = false;
+}
+
+void EditorVisualProfiler::_activate_pressed() {
+
+	if (activate->is_pressed()) {
+		activate->set_icon(get_icon("Stop", "EditorIcons"));
+		activate->set_text(TTR("Stop"));
+		_clear_pressed(); //always clear on start
+	} else {
+		activate->set_icon(get_icon("Play", "EditorIcons"));
+		activate->set_text(TTR("Start"));
+	}
+	emit_signal("enable_profiling", activate->is_pressed());
+}
+
+void EditorVisualProfiler::_clear_pressed() {
+
+	clear();
+	_update_plot();
+}
+
+void EditorVisualProfiler::_notification(int p_what) {
+
+	if (p_what == NOTIFICATION_ENTER_TREE) {
+		activate->set_icon(get_icon("Play", "EditorIcons"));
+		clear_button->set_icon(get_icon("Clear", "EditorIcons"));
+	}
+}
+
+void EditorVisualProfiler::_graph_tex_draw() {
+
+	if (last_metric < 0)
+		return;
+	Ref<Font> font = get_font("font", "Label");
+	if (seeking) {
+
+		int max_frames = frame_metrics.size();
+		int frame = cursor_metric_edit->get_value() - (frame_metrics[last_metric].frame_number - max_frames + 1);
+		if (frame < 0)
+			frame = 0;
+
+		int half_width = graph->get_size().x / 2;
+		int cur_x = frame * half_width / max_frames;
+		//cur_x /= 2.0;
+
+		graph->draw_line(Vector2(cur_x, 0), Vector2(cur_x, graph->get_size().y), Color(1, 1, 1, 0.8));
+		graph->draw_line(Vector2(cur_x + half_width, 0), Vector2(cur_x + half_width, graph->get_size().y), Color(1, 1, 1, 0.8));
+	}
+
+	if (graph_height_cpu > 0) {
+		int frame_y = graph->get_size().y - graph_limit * graph->get_size().y / graph_height_cpu - 1;
+
+		int half_width = graph->get_size().x / 2;
+
+		graph->draw_line(Vector2(0, frame_y), Vector2(half_width, frame_y), Color(1, 1, 1, 0.3));
+
+		String limit_str = String::num(graph_limit, 2);
+		graph->draw_string(font, Vector2(half_width - font->get_string_size(limit_str).x - 2, frame_y - 2), limit_str, Color(1, 1, 1, 0.6));
+	}
+
+	if (graph_height_gpu > 0) {
+		int frame_y = graph->get_size().y - graph_limit * graph->get_size().y / graph_height_gpu - 1;
+
+		int half_width = graph->get_size().x / 2;
+
+		graph->draw_line(Vector2(half_width, frame_y), Vector2(graph->get_size().x, frame_y), Color(1, 1, 1, 0.3));
+
+		String limit_str = String::num(graph_limit, 2);
+		graph->draw_string(font, Vector2(half_width * 2 - font->get_string_size(limit_str).x - 2, frame_y - 2), limit_str, Color(1, 1, 1, 0.6));
+	}
+
+	graph->draw_string(font, Vector2(font->get_string_size("X").x, font->get_ascent() + 2), "CPU:", Color(1, 1, 1, 0.8));
+	graph->draw_string(font, Vector2(font->get_string_size("X").x + graph->get_size().width / 2, font->get_ascent() + 2), "GPU:", Color(1, 1, 1, 0.8));
+
+	/*
+	if (hover_metric != -1 && frame_metrics[hover_metric].valid) {
+
+		int max_frames = frame_metrics.size();
+		int frame = frame_metrics[hover_metric].frame_number - (frame_metrics[last_metric].frame_number - max_frames + 1);
+		if (frame < 0)
+			frame = 0;
+
+		int cur_x = frame * graph->get_size().x / max_frames;
+
+		graph->draw_line(Vector2(cur_x, 0), Vector2(cur_x, graph->get_size().y), Color(1, 1, 1, 0.4));
+	}
+*/
+}
+
+void EditorVisualProfiler::_graph_tex_mouse_exit() {
+
+	hover_metric = -1;
+	graph->update();
+}
+
+void EditorVisualProfiler::_cursor_metric_changed(double) {
+	if (updating_frame)
+		return;
+
+	graph->update();
+	_update_frame();
+}
+
+void EditorVisualProfiler::_graph_tex_input(const Ref<InputEvent> &p_ev) {
+
+	if (last_metric < 0)
+		return;
+
+	Ref<InputEventMouse> me = p_ev;
+	Ref<InputEventMouseButton> mb = p_ev;
+	Ref<InputEventMouseMotion> mm = p_ev;
+
+	if (
+			(mb.is_valid() && mb->get_button_index() == BUTTON_LEFT && mb->is_pressed()) ||
+			(mm.is_valid())) {
+
+		int half_w = graph->get_size().width / 2;
+		int x = me->get_position().x;
+		if (x > half_w) {
+			x -= half_w;
+		}
+		x = x * frame_metrics.size() / half_w;
+
+		bool show_hover = x >= 0 && x < frame_metrics.size();
+
+		if (x < 0) {
+			x = 0;
+		}
+
+		if (x >= frame_metrics.size()) {
+			x = frame_metrics.size() - 1;
+		}
+
+		int metric = frame_metrics.size() - x - 1;
+		metric = last_metric - metric;
+		while (metric < 0) {
+			metric += frame_metrics.size();
+		}
+
+		if (show_hover) {
+
+			hover_metric = metric;
+
+		} else {
+			hover_metric = -1;
+		}
+
+		if (mb.is_valid() || mm->get_button_mask() & BUTTON_MASK_LEFT) {
+			//cursor_metric=x;
+			updating_frame = true;
+
+			//metric may be invalid, so look for closest metric that is valid, this makes snap feel better
+			bool valid = false;
+			for (int i = 0; i < frame_metrics.size(); i++) {
+
+				if (frame_metrics[metric].valid) {
+					valid = true;
+					break;
+				}
+
+				metric++;
+				if (metric >= frame_metrics.size())
+					metric = 0;
+			}
+
+			if (!valid) {
+				return;
+			}
+
+			cursor_metric_edit->set_value(frame_metrics[metric].frame_number);
+
+			updating_frame = false;
+
+			if (activate->is_pressed()) {
+				if (!seeking) {
+					//probably not need to break request, can just stop profiling
+					//emit_signal("break_request");
+				}
+			}
+
+			seeking = true;
+
+			if (!frame_delay->is_processing()) {
+				frame_delay->set_wait_time(0.1);
+				frame_delay->start();
+			}
+
+			bool touched_cpu = me->get_position().x < graph->get_size().width * 0.5;
+
+			const Metric::Area *areas = frame_metrics[metric].areas.ptr();
+			int area_count = frame_metrics[metric].areas.size();
+			float posy = (1.0 - (me->get_position().y / graph->get_size().height)) * (touched_cpu ? graph_height_cpu : graph_height_gpu);
+			int last_valid = -1;
+			bool found = false;
+			for (int i = 0; i < area_count - 1; i++) {
+
+				if (areas[i].name[0] != '<' && areas[i].name[0] != '>') {
+					last_valid = i;
+				}
+				float h = touched_cpu ? areas[i + 1].cpu_time : areas[i + 1].gpu_time;
+
+				if (h > posy) {
+					found = true;
+					break;
+				}
+			}
+
+			StringName area_found;
+			if (found && last_valid != -1) {
+				area_found = areas[last_valid].fullpath_cache;
+			}
+
+			if (area_found != selected_area) {
+				selected_area = area_found;
+				_update_frame(true);
+				_update_plot();
+			}
+		}
+
+		graph->update();
+	}
+}
+
+int EditorVisualProfiler::_get_cursor_index() const {
+
+	if (last_metric < 0)
+		return 0;
+	if (!frame_metrics[last_metric].valid)
+		return 0;
+
+	int diff = (frame_metrics[last_metric].frame_number - cursor_metric_edit->get_value());
+
+	int idx = last_metric - diff;
+	while (idx < 0) {
+		idx += frame_metrics.size();
+	}
+
+	return idx;
+}
+
+void EditorVisualProfiler::disable_seeking() {
+
+	seeking = false;
+	graph->update();
+}
+
+void EditorVisualProfiler::_combo_changed(int) {
+
+	_update_frame();
+	_update_plot();
+}
+
+void EditorVisualProfiler::_bind_methods() {
+
+	ClassDB::bind_method(D_METHOD("_update_frame"), &EditorVisualProfiler::_update_frame, DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("_update_plot"), &EditorVisualProfiler::_update_plot);
+	ClassDB::bind_method(D_METHOD("_activate_pressed"), &EditorVisualProfiler::_activate_pressed);
+	ClassDB::bind_method(D_METHOD("_clear_pressed"), &EditorVisualProfiler::_clear_pressed);
+	ClassDB::bind_method(D_METHOD("_graph_tex_draw"), &EditorVisualProfiler::_graph_tex_draw);
+	ClassDB::bind_method(D_METHOD("_graph_tex_input"), &EditorVisualProfiler::_graph_tex_input);
+	ClassDB::bind_method(D_METHOD("_graph_tex_mouse_exit"), &EditorVisualProfiler::_graph_tex_mouse_exit);
+	ClassDB::bind_method(D_METHOD("_cursor_metric_changed"), &EditorVisualProfiler::_cursor_metric_changed);
+	ClassDB::bind_method(D_METHOD("_combo_changed"), &EditorVisualProfiler::_combo_changed);
+
+	ClassDB::bind_method(D_METHOD("_item_selected"), &EditorVisualProfiler::_item_selected);
+	ADD_SIGNAL(MethodInfo("enable_profiling", PropertyInfo(Variant::BOOL, "enable")));
+	ADD_SIGNAL(MethodInfo("break_request"));
+}
+
+void EditorVisualProfiler::set_enabled(bool p_enable) {
+
+	activate->set_disabled(!p_enable);
+}
+
+bool EditorVisualProfiler::is_profiling() {
+	return activate->is_pressed();
+}
+
+Vector<Vector<String> > EditorVisualProfiler::get_data_as_csv() const {
+	Vector<Vector<String> > res;
+#if 0
+	if (frame_metrics.empty()) {
+		return res;
+	}
+
+	// signatures
+	Vector<String> signatures;
+	const Vector<EditorFrameProfiler::Metric::Category> &categories = frame_metrics[0].categories;
+
+	for (int j = 0; j < categories.size(); j++) {
+
+		const EditorFrameProfiler::Metric::Category &c = categories[j];
+		signatures.push_back(c.signature);
+
+		for (int k = 0; k < c.items.size(); k++) {
+			signatures.push_back(c.items[k].signature);
+		}
+	}
+	res.push_back(signatures);
+
+	// values
+	Vector<String> values;
+	values.resize(signatures.size());
+
+	int index = last_metric;
+
+	for (int i = 0; i < frame_metrics.size(); i++) {
+
+		++index;
+
+		if (index >= frame_metrics.size()) {
+			index = 0;
+		}
+
+		if (!frame_metrics[index].valid) {
+			continue;
+		}
+		int it = 0;
+		const Vector<EditorFrameProfiler::Metric::Category> &frame_cat = frame_metrics[index].categories;
+
+		for (int j = 0; j < frame_cat.size(); j++) {
+
+			const EditorFrameProfiler::Metric::Category &c = frame_cat[j];
+			values.write[it++] = String::num_real(c.total_time);
+
+			for (int k = 0; k < c.items.size(); k++) {
+				values.write[it++] = String::num_real(c.items[k].total);
+			}
+		}
+		res.push_back(values);
+	}
+#endif
+	return res;
+}
+
+EditorVisualProfiler::EditorVisualProfiler() {
+
+	HBoxContainer *hb = memnew(HBoxContainer);
+	add_child(hb);
+	activate = memnew(Button);
+	activate->set_toggle_mode(true);
+	activate->set_text(TTR("Start"));
+	activate->connect("pressed", this, "_activate_pressed");
+	hb->add_child(activate);
+
+	clear_button = memnew(Button);
+	clear_button->set_text(TTR("Clear"));
+	clear_button->connect("pressed", this, "_clear_pressed");
+	hb->add_child(clear_button);
+
+	hb->add_child(memnew(Label(TTR("Measure:"))));
+
+	display_mode = memnew(OptionButton);
+	display_mode->add_item(TTR("Frame Time (msec)"));
+	display_mode->add_item(TTR("Frame %"));
+	display_mode->connect("item_selected", this, "_combo_changed");
+
+	hb->add_child(display_mode);
+
+	frame_relative = memnew(CheckBox(TTR("Fit to Frame")));
+	frame_relative->set_pressed(true);
+	hb->add_child(frame_relative);
+	frame_relative->connect("pressed", this, "_update_plot");
+	linked = memnew(CheckBox(TTR("Linked")));
+	linked->set_pressed(true);
+	hb->add_child(linked);
+	linked->connect("pressed", this, "_update_plot");
+
+	hb->add_spacer();
+
+	hb->add_child(memnew(Label(TTR("Frame #:"))));
+
+	cursor_metric_edit = memnew(SpinBox);
+	cursor_metric_edit->set_h_size_flags(SIZE_FILL);
+	hb->add_child(cursor_metric_edit);
+	cursor_metric_edit->connect("value_changed", this, "_cursor_metric_changed");
+
+	hb->add_constant_override("separation", 8 * EDSCALE);
+
+	h_split = memnew(HSplitContainer);
+	add_child(h_split);
+	h_split->set_v_size_flags(SIZE_EXPAND_FILL);
+
+	variables = memnew(Tree);
+	variables->set_custom_minimum_size(Size2(300, 0) * EDSCALE);
+	variables->set_hide_folding(true);
+	h_split->add_child(variables);
+	variables->set_hide_root(true);
+	variables->set_columns(3);
+	variables->set_column_titles_visible(true);
+	variables->set_column_title(0, TTR("Name"));
+	variables->set_column_expand(0, true);
+	variables->set_column_min_width(0, 60);
+	variables->set_column_title(1, TTR("CPU"));
+	variables->set_column_expand(1, false);
+	variables->set_column_min_width(1, 60 * EDSCALE);
+	variables->set_column_title(2, TTR("GPU"));
+	variables->set_column_expand(2, false);
+	variables->set_column_min_width(2, 60 * EDSCALE);
+	variables->connect("cell_selected", this, "_item_selected");
+
+	graph = memnew(TextureRect);
+	graph->set_expand(true);
+	graph->set_mouse_filter(MOUSE_FILTER_STOP);
+	//graph->set_ignore_mouse(false);
+	graph->connect("draw", this, "_graph_tex_draw");
+	graph->connect("gui_input", this, "_graph_tex_input");
+	graph->connect("mouse_exited", this, "_graph_tex_mouse_exit");
+
+	h_split->add_child(graph);
+	graph->set_h_size_flags(SIZE_EXPAND_FILL);
+
+	int metric_size = CLAMP(int(EDITOR_DEF("debugger/profiler_frame_history_size", 600)), 60, 1024);
+	frame_metrics.resize(metric_size);
+	last_metric = -1;
+	//cursor_metric=-1;
+	hover_metric = -1;
+
+	//display_mode=DISPLAY_FRAME_TIME;
+
+	frame_delay = memnew(Timer);
+	frame_delay->set_wait_time(0.1);
+	frame_delay->set_one_shot(true);
+	add_child(frame_delay);
+	frame_delay->connect("timeout", this, "_update_frame");
+
+	plot_delay = memnew(Timer);
+	plot_delay->set_wait_time(0.1);
+	plot_delay->set_one_shot(true);
+	add_child(plot_delay);
+	plot_delay->connect("timeout", this, "_update_plot");
+
+	seeking = false;
+	graph_height_cpu = 1;
+	graph_height_gpu = 1;
+
+	graph_limit = 1000 / 60.0;
+
+	//activate->set_disabled(true);
+}

editor/editor_visual_profiler.h

@@ -0,0 +1,124 @@
+#ifndef EDITOR_FRAME_PROFILER_H
+#define EDITOR_FRAME_PROFILER_H
+
+#include "scene/gui/box_container.h"
+#include "scene/gui/button.h"
+#include "scene/gui/check_box.h"
+#include "scene/gui/label.h"
+#include "scene/gui/option_button.h"
+#include "scene/gui/spin_box.h"
+#include "scene/gui/split_container.h"
+#include "scene/gui/texture_rect.h"
+#include "scene/gui/tree.h"
+
+class EditorVisualProfiler : public VBoxContainer {
+
+	GDCLASS(EditorVisualProfiler, VBoxContainer);
+
+public:
+	struct Metric {
+
+		bool valid;
+
+		uint64_t frame_number;
+
+		struct Area {
+			String name;
+			Color color_cache;
+			StringName fullpath_cache;
+			float cpu_time = 0;
+			float gpu_time = 0;
+		};
+
+		Vector<Area> areas;
+
+		Metric() {
+			valid = false;
+		}
+	};
+
+	enum DisplayTimeMode {
+		DISPLAY_FRAME_TIME,
+		DISPLAY_FRAME_PERCENT,
+	};
+
+private:
+	Button *activate;
+	Button *clear_button;
+
+	TextureRect *graph;
+	Ref<ImageTexture> graph_texture;
+	PoolVector<uint8_t> graph_image;
+	Tree *variables;
+	HSplitContainer *h_split;
+	CheckBox *frame_relative;
+	CheckBox *linked;
+
+	OptionButton *display_mode;
+
+	SpinBox *cursor_metric_edit;
+
+	Vector<Metric> frame_metrics;
+	int last_metric;
+
+	StringName selected_area;
+
+	bool updating_frame;
+
+	//int cursor_metric;
+	int hover_metric;
+
+	float graph_height_cpu;
+	float graph_height_gpu;
+
+	float graph_limit;
+
+	bool seeking;
+
+	Timer *frame_delay;
+	Timer *plot_delay;
+
+	void _update_frame(bool p_focus_selected = false);
+
+	void _activate_pressed();
+	void _clear_pressed();
+
+	String _get_time_as_text(float p_time);
+
+	//void _make_metric_ptrs(Metric &m);
+	void _item_selected();
+
+	void _update_plot();
+
+	void _graph_tex_mouse_exit();
+
+	void _graph_tex_draw();
+	void _graph_tex_input(const Ref<InputEvent> &p_ev);
+
+	int _get_cursor_index() const;
+
+	Color _get_color_from_signature(const StringName &p_signature) const;
+
+	void _cursor_metric_changed(double);
+
+	void _combo_changed(int);
+
+protected:
+	void _notification(int p_what);
+	static void _bind_methods();
+
+public:
+	void add_frame_metric(const Metric &p_metric);
+	void set_enabled(bool p_enable);
+	bool is_profiling();
+	bool is_seeking() { return seeking; }
+	void disable_seeking();
+
+	void clear();
+
+	Vector<Vector<String> > get_data_as_csv() const;
+
+	EditorVisualProfiler();
+};
+
+#endif // EDITOR_FRAME_PROFILER_H

editor/icons/icon_track_color.svg

@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   height="10"
+   viewBox="0 0 10 10"
+   width="10"
+   version="1.1"
+   id="svg4"
+   sodipodi:docname="icon_track_color.svg"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata10">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs8" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="838"
+     inkscape:window-height="480"
+     id="namedview6"
+     showgrid="false"
+     inkscape:zoom="23.6"
+     inkscape:cx="5"
+     inkscape:cy="5"
+     inkscape:window-x="593"
+     inkscape:window-y="314"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg4" />
+  <rect
+     fill="#5792f6"
+     height="6.1027"
+     ry=".76286"
+     transform="matrix(.70710678 -.70710678 .70710678 .70710678 0 -1042.4)"
+     width="6.1027"
+     x="-740.13947"
+     y="741.10779"
+     id="rect2"
+     style="fill:#ffffff;fill-opacity:1" />
+</svg>

editor/script_editor_debugger.cpp

@@ -35,8 +35,9 @@
 #include "core/ustring.h"
 #include "editor/plugins/canvas_item_editor_plugin.h"
 #include "editor/plugins/spatial_editor_plugin.h"
-#include "editor_log.h"
-#include "editor_network_profiler.h"
+#include "editor/editor_log.h"
+#include "editor/editor_network_profiler.h"
+#include "editor/editor_visual_profiler.h"
 #include "editor_node.h"
 #include "editor_profiler.h"
 #include "editor_scale.h"
@@ -833,6 +834,32 @@ void ScriptEditorDebugger::_parse_message(const String &p_msg, const Array &p_da
 		}
 		perf_history.push_front(p);
 		perf_draw->update();
+	} else if (p_msg == "visual_profile") {
+		uint64_t frame = p_data[0];
+		PoolVector<String> names = p_data[1];
+		PoolVector<real_t> values = p_data[2];
+
+		EditorVisualProfiler::Metric metric;
+		metric.areas.resize(names.size());
+		metric.frame_number = frame;
+		metric.valid = true;
+
+		{
+			EditorVisualProfiler::Metric::Area *areas_ptr = metric.areas.ptrw();
+			int metric_count = names.size();
+
+			PoolVector<String>::Read rs = names.read();
+			PoolVector<real_t>::Read rr = values.read();
+
+			for (int i = 0; i < metric_count; i++) {
+
+				areas_ptr[i].name = rs[i];
+				areas_ptr[i].cpu_time = rr[i * 2 + 0];
+				areas_ptr[i].gpu_time = rr[i * 2 + 1];
+			}
+		}
+
+		visual_profiler->add_frame_metric(metric);
 
 	} else if (p_msg == "error") {
 
@@ -1565,12 +1592,33 @@ void ScriptEditorDebugger::_profiler_activate(bool p_enable) {
 	}
 }
 
+void ScriptEditorDebugger::_visual_profiler_activate(bool p_enable) {
+
+	if (!connection.is_valid())
+		return;
+
+	if (p_enable) {
+		profiler_signature.clear();
+		Array msg;
+		msg.push_back("start_visual_profiling");
+		ppeer->put_var(msg);
+		print_verbose("Starting visual profiling.");
+
+	} else {
+		Array msg;
+		msg.push_back("stop_visual_profiling");
+		ppeer->put_var(msg);
+		print_verbose("Ending visual profiling.");
+	}
+}
+
 void ScriptEditorDebugger::_network_profiler_activate(bool p_enable) {
 
 	if (!connection.is_valid())
 		return;
 
 	if (p_enable) {
+		profiler_signature.clear();
 		Array msg;
 		msg.push_back("start_network_profiling");
 		ppeer->put_var(msg);
@@ -2224,6 +2272,7 @@ void ScriptEditorDebugger::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_expand_errors_list"), &ScriptEditorDebugger::_expand_errors_list);
 	ClassDB::bind_method(D_METHOD("_collapse_errors_list"), &ScriptEditorDebugger::_collapse_errors_list);
 	ClassDB::bind_method(D_METHOD("_profiler_activate"), &ScriptEditorDebugger::_profiler_activate);
+	ClassDB::bind_method(D_METHOD("_visual_profiler_activate"), &ScriptEditorDebugger::_visual_profiler_activate);
 	ClassDB::bind_method(D_METHOD("_network_profiler_activate"), &ScriptEditorDebugger::_network_profiler_activate);
 	ClassDB::bind_method(D_METHOD("_profiler_seeked"), &ScriptEditorDebugger::_profiler_seeked);
 	ClassDB::bind_method(D_METHOD("_clear_errors_list"), &ScriptEditorDebugger::_clear_errors_list);
@@ -2455,11 +2504,20 @@ ScriptEditorDebugger::ScriptEditorDebugger(EditorNode *p_editor) {
 		profiler->connect("break_request", this, "_profiler_seeked");
 	}
 
+	{ //frame profiler
+		visual_profiler = memnew(EditorVisualProfiler);
+		visual_profiler->set_name(TTR("Visual Profiler"));
+		tabs->add_child(visual_profiler);
+		visual_profiler->connect("enable_profiling", this, "_visual_profiler_activate");
+		visual_profiler->connect("break_request", this, "_profiler_seeked");
+	}
+
 	{ //network profiler
 		network_profiler = memnew(EditorNetworkProfiler);
 		network_profiler->set_name(TTR("Network Profiler"));
 		tabs->add_child(network_profiler);
 		network_profiler->connect("enable_profiling", this, "_network_profiler_activate");
+		network_profiler->connect("break_request", this, "_profiler_seeked");
 	}
 
 	{ //monitors

editor/script_editor_debugger.h

@@ -51,6 +51,7 @@ class TreeItem;
 class HSplitContainer;
 class ItemList;
 class EditorProfiler;
+class EditorVisualProfiler;
 class EditorNetworkProfiler;
 
 class ScriptEditorDebuggerInspectedObject;
@@ -169,6 +170,7 @@ private:
 	Map<String, int> res_path_cache;
 
 	EditorProfiler *profiler;
+	EditorVisualProfiler *visual_profiler;
 	EditorNetworkProfiler *network_profiler;
 
 	EditorNode *editor;
@@ -213,6 +215,7 @@ private:
 	void _expand_errors_list();
 	void _collapse_errors_list();
 
+	void _visual_profiler_activate(bool p_enable);
 	void _profiler_activate(bool p_enable);
 	void _profiler_seeked();
 

scene/debugger/script_debugger_remote.cpp

@@ -805,14 +805,22 @@ void ScriptDebuggerRemote::_poll_events() {
 			profiling = false;
 			_send_profiling_data(false);
 			print_line("PROFILING END!");
+		} else if (command == "start_visual_profiling") {
+
+			visual_profiling = true;
+			VS::get_singleton()->set_frame_profiling_enabled(true);
+		} else if (command == "stop_visual_profiling") {
+
+			visual_profiling = false;
+			VS::get_singleton()->set_frame_profiling_enabled(false);
 		} else if (command == "start_network_profiling") {
 
+			network_profiling = true;
 			multiplayer->profiling_start();
-			profiling_network = true;
 		} else if (command == "stop_network_profiling") {
 
+			network_profiling = false;
 			multiplayer->profiling_end();
-			profiling_network = false;
 		} else if (command == "override_camera_2D:set") {
 			bool enforce = cmd[1];
 
@@ -985,6 +993,30 @@ void ScriptDebuggerRemote::idle_poll() {
 			packet_peer_stream->put_var(arr);
 		}
 	}
+	if (visual_profiling) {
+		Vector<VS::FrameProfileArea> profile_areas = VS::get_singleton()->get_frame_profile();
+		if (profile_areas.size()) {
+			PoolVector<String> area_names;
+			PoolVector<real_t> area_times;
+			area_names.resize(profile_areas.size());
+			area_times.resize(profile_areas.size() * 2);
+			{
+				PoolVector<String>::Write area_namesw = area_names.write();
+				PoolVector<real_t>::Write area_timesw = area_times.write();
+
+				for (int i = 0; i < profile_areas.size(); i++) {
+					area_namesw[i] = profile_areas[i].name;
+					area_timesw[i * 2 + 0] = profile_areas[i].cpu_msec;
+					area_timesw[i * 2 + 1] = profile_areas[i].gpu_msec;
+				}
+			}
+			packet_peer_stream->put_var("visual_profile");
+			packet_peer_stream->put_var(3);
+			packet_peer_stream->put_var(VS::get_singleton()->get_frame_profile_frame());
+			packet_peer_stream->put_var(area_names);
+			packet_peer_stream->put_var(area_times);
+		}
+	}
 
 	if (profiling) {
 
@@ -996,7 +1028,7 @@ void ScriptDebuggerRemote::idle_poll() {
 		}
 	}
 
-	if (profiling_network) {
+	if (network_profiling) {
 		uint64_t pt = OS::get_singleton()->get_ticks_msec();
 		if (pt - last_net_bandwidth_time > 200) {
 			last_net_bandwidth_time = pt;
@@ -1229,7 +1261,8 @@ ScriptDebuggerRemote::ResourceUsageFunc ScriptDebuggerRemote::resource_usage_fun
 
 ScriptDebuggerRemote::ScriptDebuggerRemote() :
 		profiling(false),
-		profiling_network(false),
+		visual_profiling(false),
+		network_profiling(false),
 		max_frame_functions(16),
 		skip_profile_frame(false),
 		reload_all_scripts(false),

scene/debugger/script_debugger_remote.h

@@ -62,7 +62,8 @@ class ScriptDebuggerRemote : public ScriptDebugger {
 	float frame_time, idle_time, physics_time, physics_frame_time;
 
 	bool profiling;
-	bool profiling_network;
+	bool visual_profiling;
+	bool network_profiling;
 	int max_frame_functions;
 	bool skip_profile_frame;
 	bool reload_all_scripts;

servers/visual/rasterizer.h

@@ -638,6 +638,20 @@ public:
 	Color get_default_clear_color() const {
 		return default_clear_color;
 	}
+#define RENDER_TIMESTAMP(m_text)                                                         \
+	{                                                                                    \
+		if (VSG::storage->capturing_timestamps) VSG::storage->capture_timestamp(m_text); \
+	}
+
+	bool capturing_timestamps = false;
+
+	virtual void capture_timestamps_begin() = 0;
+	virtual void capture_timestamp(const String &p_name) = 0;
+	virtual uint32_t get_captured_timestamps_count() const = 0;
+	virtual uint64_t get_captured_timestamps_frame() const = 0;
+	virtual uint64_t get_captured_timestamp_gpu_time(uint32_t p_index) const = 0;
+	virtual uint64_t get_captured_timestamp_cpu_time(uint32_t p_index) const = 0;
+	virtual String get_captured_timestamp_name(uint32_t p_index) const = 0;
 
 	RasterizerStorage();
 	virtual ~RasterizerStorage() {}

servers/visual/rasterizer_rd/rasterizer_scene_forward_rd.cpp

@@ -1654,6 +1654,8 @@ void RasterizerSceneForwardRD::_render_scene(RenderBufferData *p_buffer_data, co
 	}
 #endif
 
+	RENDER_TIMESTAMP("Setup 3D Scene");
+
 	bool using_shadows = true;
 
 	if (p_reflection_probe.is_valid()) {
@@ -2085,6 +2087,8 @@ void RasterizerSceneForwardRD::_render_scene(RenderBufferData *p_buffer_data, co
 		}
 	}
 
+	RENDER_TIMESTAMP("Render Opaque Pass");
+
 	_setup_render_base_uniform_set(RID(), RID(), RID(), RID(), radiance_cubemap, p_shadow_atlas, p_reflection_atlas);
 
 	render_list.sort_by_key(false);
@@ -2104,6 +2108,7 @@ void RasterizerSceneForwardRD::_render_scene(RenderBufferData *p_buffer_data, co
 	}
 
 	if (draw_sky) {
+		RENDER_TIMESTAMP("Render Sky");
 		RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(opaque_framebuffer, RD::INITIAL_ACTION_CONTINUE, can_continue ? RD::FINAL_ACTION_CONTINUE : RD::FINAL_ACTION_READ_COLOR_AND_DEPTH);
 		_draw_sky(draw_list, RD::get_singleton()->framebuffer_get_format(opaque_framebuffer), p_environment, p_cam_projection, p_cam_transform, 1.0);
 		RD::get_singleton()->draw_list_end();
@@ -2201,6 +2206,9 @@ void RasterizerSceneForwardRD::_render_scene(RenderBufferData *p_buffer_data, co
 	glEnable(GL_DEPTH_TEST);
 	glDisable(GL_SCISSOR_TEST);
 #endif
+
+	RENDER_TIMESTAMP("Render Transparent Pass");
+
 	render_list.sort_by_reverse_depth_and_priority(true);
 
 	_fill_instances(&render_list.elements[render_list.max_elements - render_list.alpha_element_count], render_list.alpha_element_count);
@@ -2232,6 +2240,7 @@ void RasterizerSceneForwardRD::_render_scene(RenderBufferData *p_buffer_data, co
 	RasterizerEffectsRD *effects = storage->get_effects();
 
 	{
+		RENDER_TIMESTAMP("Tonemap");
 		//tonemap
 		RasterizerEffectsRD::TonemapSettings tonemap;
 
@@ -2326,6 +2335,8 @@ void RasterizerSceneForwardRD::_render_scene(RenderBufferData *p_buffer_data, co
 }
 void RasterizerSceneForwardRD::_render_shadow(RID p_framebuffer, InstanceBase **p_cull_result, int p_cull_count, const CameraMatrix &p_projection, const Transform &p_transform, float p_zfar, float p_bias, float p_normal_bias, bool p_use_dp, bool p_use_dp_flip) {
 
+	RENDER_TIMESTAMP("Setup Rendering Shadow");
+
 	render_pass++;
 
 	scene_state.ubo.shadow_z_offset = p_bias;
@@ -2343,6 +2354,8 @@ void RasterizerSceneForwardRD::_render_shadow(RID p_framebuffer, InstanceBase **
 
 	_setup_render_base_uniform_set(RID(), RID(), RID(), RID(), RID(), RID(), RID());
 
+	RENDER_TIMESTAMP("Render Shadow");
+
 	render_list.sort_by_key(false);
 
 	_fill_instances(render_list.elements, render_list.element_count);

servers/visual/rasterizer_rd/rasterizer_storage_rd.cpp

@@ -3656,6 +3656,31 @@ RasterizerEffectsRD *RasterizerStorageRD::get_effects() {
 	return &effects;
 }
 
+void RasterizerStorageRD::capture_timestamps_begin() {
+	RD::get_singleton()->capture_timestamp("Frame Begin", false);
+}
+
+void RasterizerStorageRD::capture_timestamp(const String &p_name) {
+	RD::get_singleton()->capture_timestamp(p_name, true);
+}
+
+uint32_t RasterizerStorageRD::get_captured_timestamps_count() const {
+	return RD::get_singleton()->get_captured_timestamps_count();
+}
+uint64_t RasterizerStorageRD::get_captured_timestamps_frame() const {
+	return RD::get_singleton()->get_captured_timestamps_frame();
+}
+
+uint64_t RasterizerStorageRD::get_captured_timestamp_gpu_time(uint32_t p_index) const {
+	return RD::get_singleton()->get_captured_timestamp_gpu_time(p_index);
+}
+uint64_t RasterizerStorageRD::get_captured_timestamp_cpu_time(uint32_t p_index) const {
+	return RD::get_singleton()->get_captured_timestamp_cpu_time(p_index);
+}
+String RasterizerStorageRD::get_captured_timestamp_name(uint32_t p_index) const {
+	return RD::get_singleton()->get_captured_timestamp_name(p_index);
+}
+
 RasterizerStorageRD::RasterizerStorageRD() {
 
 	for (int i = 0; i < SHADER_TYPE_MAX; i++) {

servers/visual/rasterizer_rd/rasterizer_storage_rd.h

@@ -1018,6 +1018,14 @@ public:
 	String get_video_adapter_name() const { return String(); }
 	String get_video_adapter_vendor() const { return String(); }
 
+	virtual void capture_timestamps_begin();
+	virtual void capture_timestamp(const String &p_name);
+	virtual uint32_t get_captured_timestamps_count() const;
+	virtual uint64_t get_captured_timestamps_frame() const;
+	virtual uint64_t get_captured_timestamp_gpu_time(uint32_t p_index) const;
+	virtual uint64_t get_captured_timestamp_cpu_time(uint32_t p_index) const;
+	virtual String get_captured_timestamp_name(uint32_t p_index) const;
+
 	static RasterizerStorage *base_singleton;
 
 	RasterizerEffectsRD *get_effects();

servers/visual/rendering_device.h

@@ -936,6 +936,17 @@ public:
 
 	virtual void free(RID p_id) = 0;
 
+	/****************/
+	/**** Timing ****/
+	/****************/
+
+	virtual void capture_timestamp(const String &p_name, bool p_sync_to_draw) = 0;
+	virtual uint32_t get_captured_timestamps_count() const = 0;
+	virtual uint64_t get_captured_timestamps_frame() const = 0;
+	virtual uint64_t get_captured_timestamp_gpu_time(uint32_t p_index) const = 0;
+	virtual uint64_t get_captured_timestamp_cpu_time(uint32_t p_index) const = 0;
+	virtual String get_captured_timestamp_name(uint32_t p_index) const = 0;
+
 	/****************/
 	/**** LIMITS ****/
 	/****************/
@@ -976,6 +987,7 @@ public:
 	virtual void prepare_screen_for_drawing() = 0;
 	virtual void finalize_frame() = 0;
 	virtual void advance_frame() = 0;
+	virtual uint32_t get_frame_delay() const = 0;
 
 	static RenderingDevice *get_singleton();
 

servers/visual/visual_server_canvas.cpp

@@ -37,6 +37,8 @@ static const int z_range = VS::CANVAS_ITEM_Z_MAX - VS::CANVAS_ITEM_Z_MIN + 1;
 
 void VisualServerCanvas::_render_canvas_item_tree(RID p_to_render_target, Canvas::ChildItem *p_child_items, int p_child_item_count, Item *p_canvas_item, const Transform2D &p_transform, const Rect2 &p_clip_rect, const Color &p_modulate, RasterizerCanvas::Light *p_lights) {
 
+	RENDER_TIMESTAMP("Cull CanvasItem Tree");
+
 	memset(z_list, 0, z_range * sizeof(RasterizerCanvas::Item *));
 	memset(z_last_list, 0, z_range * sizeof(RasterizerCanvas::Item *));
 
@@ -62,6 +64,8 @@ void VisualServerCanvas::_render_canvas_item_tree(RID p_to_render_target, Canvas
 		}
 	}
 
+	RENDER_TIMESTAMP("Render Canvas Items");
+
 	VSG::canvas_render->canvas_render_items(p_to_render_target, list, p_modulate, p_lights, p_transform);
 }
 
@@ -240,6 +244,8 @@ void VisualServerCanvas::_light_mask_canvas_items(int p_z, RasterizerCanvas::Ite
 
 void VisualServerCanvas::render_canvas(RID p_render_target, Canvas *p_canvas, const Transform2D &p_transform, RasterizerCanvas::Light *p_lights, RasterizerCanvas::Light *p_masked_lights, const Rect2 &p_clip_rect) {
 
+	RENDER_TIMESTAMP(">Render Canvas");
+
 	if (p_canvas->children_order_dirty) {
 
 		p_canvas->child_items.sort();
@@ -286,6 +292,8 @@ void VisualServerCanvas::render_canvas(RID p_render_target, Canvas *p_canvas, co
 			}
 		}
 	}
+
+	RENDER_TIMESTAMP("<End Render Canvas");
 }
 
 RID VisualServerCanvas::canvas_create() {

servers/visual/visual_server_raster.cpp

@@ -103,12 +103,14 @@ void VisualServerRaster::draw(bool p_swap_buffers, double frame_step) {
 
 	VSG::rasterizer->begin_frame(frame_step);
 
+	VSG::storage->capture_timestamps_begin();
+
 	VSG::scene_render->update(); //update scenes stuff before updating instances
 
 	VSG::scene->update_dirty_instances(); //update scene stuff
 
-	VSG::viewport->draw_viewports();
 	VSG::scene->render_probes();
+	VSG::viewport->draw_viewports();
 	VSG::canvas_render->update();
 
 	_draw_margins();
@@ -130,6 +132,25 @@ void VisualServerRaster::draw(bool p_swap_buffers, double frame_step) {
 		frame_drawn_callbacks.pop_front();
 	}
 	VS::get_singleton()->emit_signal("frame_post_draw");
+
+	if (VSG::storage->get_captured_timestamps_count()) {
+		Vector<FrameProfileArea> new_profile;
+		new_profile.resize(VSG::storage->get_captured_timestamps_count());
+
+		uint64_t base_cpu = VSG::storage->get_captured_timestamp_cpu_time(0);
+		uint64_t base_gpu = VSG::storage->get_captured_timestamp_gpu_time(0);
+		for (int i = 0; i < VSG::storage->get_captured_timestamps_count(); i++) {
+			uint64_t time_cpu = VSG::storage->get_captured_timestamp_cpu_time(i) - base_cpu;
+			uint64_t time_gpu = VSG::storage->get_captured_timestamp_gpu_time(i) - base_gpu;
+			new_profile.write[i].gpu_msec = float(time_gpu / 1000) / 1000.0;
+			new_profile.write[i].cpu_msec = float(time_cpu) / 1000.0;
+			new_profile.write[i].name = VSG::storage->get_captured_timestamp_name(i);
+		}
+
+		frame_profile = new_profile;
+	}
+
+	frame_profile_frame = VSG::storage->get_captured_timestamps_frame();
 }
 void VisualServerRaster::sync() {
 }
@@ -167,6 +188,18 @@ String VisualServerRaster::get_video_adapter_vendor() const {
 	return VSG::storage->get_video_adapter_vendor();
 }
 
+void VisualServerRaster::set_frame_profiling_enabled(bool p_enable) {
+	VSG::storage->capturing_timestamps = p_enable;
+}
+
+uint64_t VisualServerRaster::get_frame_profile_frame() {
+	return frame_profile_frame;
+}
+
+Vector<VisualServer::FrameProfileArea> VisualServerRaster::get_frame_profile() {
+	return frame_profile;
+}
+
 /* TESTING */
 
 void VisualServerRaster::set_boot_image(const Ref<Image> &p_image, const Color &p_color, bool p_scale, bool p_use_filter) {
@@ -217,6 +250,8 @@ VisualServerRaster::VisualServerRaster() {
 	VSG::canvas_render = VSG::rasterizer->get_canvas();
 	VSG::scene_render = VSG::rasterizer->get_scene();
 
+	frame_profile_frame = 0;
+
 	for (int i = 0; i < 4; i++) {
 		black_margin[i] = 0;
 		black_image[i] = RID();

servers/visual/visual_server_raster.h

@@ -72,6 +72,9 @@ class VisualServerRaster : public VisualServer {
 	void _draw_margins();
 	static void _changes_changed() {}
 
+	uint64_t frame_profile_frame;
+	Vector<FrameProfileArea> frame_profile;
+
 public:
 	//if editor is redrawing when it shouldn't, enable this and put a breakpoint in _changes_changed()
 	//#define DEBUG_CHANGES
@@ -693,6 +696,10 @@ public:
 	virtual String get_video_adapter_name() const;
 	virtual String get_video_adapter_vendor() const;
 
+	virtual void set_frame_profiling_enabled(bool p_enable);
+	virtual Vector<FrameProfileArea> get_frame_profile();
+	virtual uint64_t get_frame_profile_frame();
+
 	virtual RID get_test_cube();
 
 	/* TESTING */

servers/visual/visual_server_scene.cpp

@@ -1366,6 +1366,8 @@ bool VisualServerScene::_light_instance_update_shadow(Instance *p_instance, cons
 
 			for (int i = 0; i < splits; i++) {
 
+				RENDER_TIMESTAMP("Culling Directional Light split" + itos(i));
+
 				// setup a camera matrix for that range!
 				CameraMatrix camera_matrix;
 
@@ -1551,6 +1553,7 @@ bool VisualServerScene::_light_instance_update_shadow(Instance *p_instance, cons
 				for (int i = 0; i < 2; i++) {
 
 					//using this one ensures that raster deferred will have it
+					RENDER_TIMESTAMP("Culling Shadow Paraboloid" + itos(i));
 
 					float radius = VSG::storage->light_get_param(p_instance->base, VS::LIGHT_PARAM_RANGE);
 
@@ -1594,6 +1597,7 @@ bool VisualServerScene::_light_instance_update_shadow(Instance *p_instance, cons
 
 				for (int i = 0; i < 6; i++) {
 
+					RENDER_TIMESTAMP("Culling Shadow Cube side" + itos(i));
 					//using this one ensures that raster deferred will have it
 
 					static const Vector3 view_normals[6] = {
@@ -1647,6 +1651,8 @@ bool VisualServerScene::_light_instance_update_shadow(Instance *p_instance, cons
 		} break;
 		case VS::LIGHT_SPOT: {
 
+			RENDER_TIMESTAMP("Culling Spot Light");
+
 			float radius = VSG::storage->light_get_param(p_instance->base, VS::LIGHT_PARAM_RANGE);
 			float angle = VSG::storage->light_get_param(p_instance->base, VS::LIGHT_PARAM_SPOT_ANGLE);
 
@@ -1829,6 +1835,8 @@ void VisualServerScene::_prepare_scene(const Transform p_cam_transform, const Ca
 
 	VSG::scene_render->set_scene_pass(render_pass);
 
+	RENDER_TIMESTAMP("Frustum Culling");
+
 	//rasterizer->set_camera(camera->transform, camera_matrix,ortho);
 
 	Vector<Plane> planes = p_cam_projection.get_projection_planes(p_cam_transform);
@@ -2037,7 +2045,11 @@ void VisualServerScene::_prepare_scene(const Transform p_cam_transform, const Ca
 
 		for (int i = 0; i < directional_shadow_count; i++) {
 
+			RENDER_TIMESTAMP(">Rendering Directional Light " + itos(i));
+
 			_light_instance_update_shadow(lights_with_shadow[i], p_cam_transform, p_cam_projection, p_cam_orthogonal, p_shadow_atlas, scenario);
+
+			RENDER_TIMESTAMP("<Rendering Directional Light " + itos(i));
 		}
 	}
 
@@ -2136,7 +2148,9 @@ void VisualServerScene::_prepare_scene(const Transform p_cam_transform, const Ca
 
 			if (redraw) {
 				//must redraw!
+				RENDER_TIMESTAMP(">Rendering Light " + itos(i));
 				light->shadow_dirty = _light_instance_update_shadow(ins, p_cam_transform, p_cam_projection, p_cam_orthogonal, p_shadow_atlas, scenario);
+				RENDER_TIMESTAMP("<Rendering Light " + itos(i));
 			}
 		}
 	}
@@ -2158,6 +2172,7 @@ void VisualServerScene::_render_scene(RID p_render_buffers, const Transform p_ca
 
 	/* PROCESS GEOMETRY AND DRAW SCENE */
 
+	RENDER_TIMESTAMP("Render Scene ");
 	VSG::scene_render->render_scene(p_render_buffers, p_cam_transform, p_cam_projection, p_cam_orthogonal, (RasterizerScene::InstanceBase **)instance_cull_result, instance_cull_count, light_instance_cull_result, light_cull_count + directional_light_count, reflection_probe_instance_cull_result, reflection_probe_cull_count, environment, p_shadow_atlas, p_reflection_probe.is_valid() ? RID() : scenario->reflection_atlas, p_reflection_probe, p_reflection_probe_pass);
 }
 
@@ -2172,6 +2187,7 @@ void VisualServerScene::render_empty_scene(RID p_render_buffers, RID p_scenario,
 		environment = scenario->environment;
 	else
 		environment = scenario->fallback_environment;
+	RENDER_TIMESTAMP("Render Empty Scene ");
 	VSG::scene_render->render_scene(p_render_buffers, Transform(), CameraMatrix(), true, NULL, 0, NULL, 0, NULL, 0, environment, p_shadow_atlas, scenario->reflection_atlas, RID(), 0);
 #endif
 }
@@ -2236,11 +2252,13 @@ bool VisualServerScene::_render_reflection_probe_step(Instance *p_instance, int
 			shadow_atlas = scenario->reflection_probe_shadow_atlas;
 		}
 
+		RENDER_TIMESTAMP("Render Reflection Probe, Step " + itos(p_step));
 		_prepare_scene(xform, cm, false, RID(), VSG::storage->reflection_probe_get_cull_mask(p_instance->base), p_instance->scenario->self, shadow_atlas, reflection_probe->instance, use_shadows);
 		_render_scene(RID(), xform, cm, false, RID(), p_instance->scenario->self, shadow_atlas, reflection_probe->instance, p_step);
 
 	} else {
 		//do roughness postprocess step until it believes it's done
+		RENDER_TIMESTAMP("Post-Process Reflection Probe, Step " + itos(p_step));
 		return VSG::scene_render->reflection_probe_instance_postprocess_step(reflection_probe->instance);
 	}
 

servers/visual/visual_server_viewport.cpp

@@ -64,6 +64,8 @@ static Transform2D _canvas_get_transform(VisualServerViewport::Viewport *p_viewp
 
 void VisualServerViewport::_draw_3d(Viewport *p_viewport, ARVRInterface::Eyes p_eye) {
 
+	RENDER_TIMESTAMP(">Begin Rendering 3D Scene");
+
 	Ref<ARVRInterface> arvr_interface;
 	if (ARVRServer::get_singleton() != NULL) {
 		arvr_interface = ARVRServer::get_singleton()->get_primary_interface();
@@ -74,6 +76,7 @@ void VisualServerViewport::_draw_3d(Viewport *p_viewport, ARVRInterface::Eyes p_
 	} else {
 		VSG::scene->render_camera(p_viewport->render_buffers, p_viewport->camera, p_viewport->scenario, p_viewport->size, p_viewport->shadow_atlas);
 	}
+	RENDER_TIMESTAMP("<End Rendering 3D Scene");
 }
 
 void VisualServerViewport::_draw_viewport(Viewport *p_viewport, ARVRInterface::Eyes p_eye) {
@@ -132,6 +135,7 @@ void VisualServerViewport::_draw_viewport(Viewport *p_viewport, ARVRInterface::E
 
 		int light_count = 0;
 
+		RENDER_TIMESTAMP("Cull Canvas Lights");
 		for (Map<RID, Viewport::CanvasData>::Element *E = p_viewport->canvas_map.front(); E; E = E->next()) {
 
 			VisualServerCanvas::Canvas *canvas = static_cast<VisualServerCanvas::Canvas *>(E->get().canvas);
@@ -194,6 +198,9 @@ void VisualServerViewport::_draw_viewport(Viewport *p_viewport, ARVRInterface::E
 
 			RasterizerCanvas::LightOccluderInstance *occluders = NULL;
 
+			RENDER_TIMESTAMP(">Render 2D Shadows");
+			RENDER_TIMESTAMP("Cull Occluders");
+
 			//make list of occluders
 			for (Map<RID, Viewport::CanvasData>::Element *E = p_viewport->canvas_map.front(); E; E = E->next()) {
 
@@ -213,14 +220,18 @@ void VisualServerViewport::_draw_viewport(Viewport *p_viewport, ARVRInterface::E
 				}
 			}
 			//update the light shadowmaps with them
+
 			RasterizerCanvas::Light *light = lights_with_shadow;
 			while (light) {
 
+				RENDER_TIMESTAMP("Render Shadow");
+
 				VSG::canvas_render->light_update_shadow(light->light_internal, light->xform_cache.affine_inverse(), light->item_shadow_mask, light->radius_cache / 1000.0, light->radius_cache * 1.1, occluders);
 				light = light->shadows_next_ptr;
 			}
 
 			//VSG::canvas_render->reset_canvas();
+			RENDER_TIMESTAMP("<End rendering 2D Shadows");
 		}
 
 		if (scenario_draw_canvas_bg && canvas_map.front() && canvas_map.front()->key().get_layer() > scenario_canvas_max_layer) {
@@ -303,6 +314,8 @@ void VisualServerViewport::draw_viewports() {
 
 	Map<int, Vector<Rasterizer::BlitToScreen> > blit_to_screen_list;
 	//draw viewports
+	RENDER_TIMESTAMP(">Render Viewports");
+
 	for (int i = 0; i < active_viewports.size(); i++) {
 
 		Viewport *vp = active_viewports[i];
@@ -321,6 +334,8 @@ void VisualServerViewport::draw_viewports() {
 		if (!visible)
 			continue;
 
+		RENDER_TIMESTAMP(">Rendering Viewport " + itos(i));
+
 		VSG::storage->render_target_set_as_unused(vp->render_target);
 #if 0
 		if (vp->use_arvr && arvr_interface.is_valid()) {
@@ -391,9 +406,12 @@ void VisualServerViewport::draw_viewports() {
 		if (vp->update_mode == VS::VIEWPORT_UPDATE_ONCE) {
 			vp->update_mode = VS::VIEWPORT_UPDATE_DISABLED;
 		}
+
+		RENDER_TIMESTAMP("<Rendering Viewport " + itos(i));
 	}
 	VSG::scene_render->set_debug_draw_mode(VS::VIEWPORT_DEBUG_DRAW_DISABLED);
 
+	RENDER_TIMESTAMP("<Render Viewports");
 	//this needs to be called to make screen swapping more efficient
 	VSG::rasterizer->prepare_for_blitting_render_targets();
 

servers/visual/visual_server_wrap_mt.h

@@ -628,6 +628,18 @@ public:
 		return visual_server->is_low_end();
 	}
 
+	virtual uint64_t get_frame_profile_frame() {
+		return visual_server->get_frame_profile_frame();
+	}
+
+	virtual void set_frame_profiling_enabled(bool p_enabled) {
+		visual_server->set_frame_profiling_enabled(p_enabled);
+	}
+
+	virtual Vector<FrameProfileArea> get_frame_profile() {
+		return visual_server->get_frame_profile();
+	}
+
 	VisualServerWrapMT(VisualServer *p_contained, bool p_create_thread);
 	~VisualServerWrapMT();
 

servers/visual_server.h

@@ -1027,6 +1027,16 @@ public:
 	virtual String get_video_adapter_name() const = 0;
 	virtual String get_video_adapter_vendor() const = 0;
 
+	struct FrameProfileArea {
+		String name;
+		float gpu_msec;
+		float cpu_msec;
+	};
+
+	virtual void set_frame_profiling_enabled(bool p_enable) = 0;
+	virtual Vector<FrameProfileArea> get_frame_profile() = 0;
+	virtual uint64_t get_frame_profile_frame() = 0;
+
 	/* Materials for 2D on 3D */
 
 	/* TESTING */