/*************************************************************************/
/*  rasterizer_dummy.h                                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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/* "Software"), to deal in the Software without restriction, including   */
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/*************************************************************************/

#ifndef RASTERIZER_DUMMY_H
#define RASTERIZER_DUMMY_H

#include "core/templates/rid_owner.h"
#include "core/templates/self_list.h"
#include "scene/resources/mesh.h"
#include "servers/rendering/dummy/rasterizer_canvas_dummy.h"
#include "servers/rendering/dummy/rasterizer_scene_dummy.h"
#include "servers/rendering/dummy/rasterizer_storage_dummy.h"
#include "servers/rendering/dummy/storage/canvas_texture_storage.h"
#include "servers/rendering/dummy/storage/decal_atlas_storage.h"
#include "servers/rendering/dummy/storage/texture_storage.h"
#include "servers/rendering/renderer_compositor.h"
#include "servers/rendering_server.h"

class RasterizerDummy : public RendererCompositor {
private:
	uint64_t frame = 1;
	double delta = 0;

protected:
	RasterizerCanvasDummy canvas;
	RendererDummy::CanvasTextureStorage canvas_texture_storage;
	RendererDummy::TextureStorage texture_storage;
	RendererDummy::DecalAtlasStorage decal_atlas_storage;
	RasterizerStorageDummy storage;
	RasterizerSceneDummy scene;

public:
	RendererCanvasTextureStorage *get_canvas_texture_storage() override { return &canvas_texture_storage; };
	RendererTextureStorage *get_texture_storage() override { return &texture_storage; };
	RendererDecalAtlasStorage *get_decal_atlas_storage() override { return &decal_atlas_storage; };
	RendererStorage *get_storage() override { return &storage; }
	RendererCanvasRender *get_canvas() override { return &canvas; }
	RendererSceneRender *get_scene() override { return &scene; }

	void set_boot_image(const Ref<Image> &p_image, const Color &p_color, bool p_scale, bool p_use_filter = true) override {}

	void initialize() override {}
	void begin_frame(double frame_step) override {
		frame++;
		delta = frame_step;
	}

	void prepare_for_blitting_render_targets() override {}
	void blit_render_targets_to_screen(int p_screen, const BlitToScreen *p_render_targets, int p_amount) override {}

	void end_frame(bool p_swap_buffers) override {
		if (p_swap_buffers) {
			DisplayServer::get_singleton()->swap_buffers();
		}
	}

	void finalize() override {}

	static RendererCompositor *_create_current() {
		return memnew(RasterizerDummy);
	}

	static void make_current() {
		_create_func = _create_current;
	}

	bool is_low_end() const override { return true; }
	uint64_t get_frame_number() const override { return frame; }
	double get_frame_delta_time() const override { return delta; }

	RasterizerDummy() {}
	~RasterizerDummy() {}
};

#endif // RASTERIZER_DUMMY_H