godot/servers/rendering/dummy/rasterizer_dummy.h
clayjohn 154b9c1c91 Use a giant UBO to optimize performance in 2D
This removes the countless small UBO writes we had before
and replaces them with a single large write per render pass.

This results in much faster rendering on low-end devices
but improves speed on all devices.
2022-10-06 11:24:45 -07:00

118 lines
5.2 KiB
C++

/*************************************************************************/
/* 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). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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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/environment/fog.h"
#include "servers/rendering/dummy/environment/gi.h"
#include "servers/rendering/dummy/rasterizer_canvas_dummy.h"
#include "servers/rendering/dummy/rasterizer_scene_dummy.h"
#include "servers/rendering/dummy/storage/light_storage.h"
#include "servers/rendering/dummy/storage/material_storage.h"
#include "servers/rendering/dummy/storage/mesh_storage.h"
#include "servers/rendering/dummy/storage/particles_storage.h"
#include "servers/rendering/dummy/storage/texture_storage.h"
#include "servers/rendering/dummy/storage/utilities.h"
#include "servers/rendering/renderer_compositor.h"
#include "servers/rendering_server.h"
class RasterizerDummy : public RendererCompositor {
private:
uint64_t frame = 1;
double delta = 0;
double time = 0.0;
protected:
RasterizerCanvasDummy canvas;
RendererDummy::Utilities utilities;
RendererDummy::LightStorage light_storage;
RendererDummy::MaterialStorage material_storage;
RendererDummy::MeshStorage mesh_storage;
RendererDummy::ParticlesStorage particles_storage;
RendererDummy::TextureStorage texture_storage;
RendererDummy::GI gi;
RendererDummy::Fog fog;
RasterizerSceneDummy scene;
public:
RendererUtilities *get_utilities() override { return &utilities; };
RendererLightStorage *get_light_storage() override { return &light_storage; };
RendererMaterialStorage *get_material_storage() override { return &material_storage; };
RendererMeshStorage *get_mesh_storage() override { return &mesh_storage; };
RendererParticlesStorage *get_particles_storage() override { return &particles_storage; };
RendererTextureStorage *get_texture_storage() override { return &texture_storage; };
RendererGI *get_gi() override { return &gi; };
RendererFog *get_fog() override { return &fog; };
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;
time += 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;
low_end = true;
}
uint64_t get_frame_number() const override { return frame; }
double get_frame_delta_time() const override { return delta; }
double get_total_time() const override { return time; }
RasterizerDummy() {}
~RasterizerDummy() {}
};
#endif // RASTERIZER_DUMMY_H