78 lines
3.4 KiB
C++
78 lines
3.4 KiB
C++
/*************************************************************************/
|
|
/* lightmap_raycaster.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 */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
|
|
#include "core/io/image.h"
|
|
#include "core/object/object.h"
|
|
#include "scene/3d/lightmapper.h"
|
|
|
|
#include <embree3/rtcore.h>
|
|
|
|
class LightmapRaycasterEmbree : public LightmapRaycaster {
|
|
GDCLASS(LightmapRaycasterEmbree, LightmapRaycaster);
|
|
|
|
private:
|
|
struct AlphaTextureData {
|
|
Vector<uint8_t> data;
|
|
Vector2i size;
|
|
|
|
uint8_t sample(float u, float v) const;
|
|
};
|
|
|
|
RTCDevice embree_device;
|
|
RTCScene embree_scene;
|
|
|
|
static void filter_function(const struct RTCFilterFunctionNArguments *p_args);
|
|
|
|
HashMap<unsigned int, AlphaTextureData> alpha_textures;
|
|
HashSet<int> filter_meshes;
|
|
|
|
public:
|
|
virtual bool intersect(Ray &p_ray) override;
|
|
|
|
virtual void intersect(Vector<Ray> &r_rays) override;
|
|
|
|
virtual void add_mesh(const Vector<Vector3> &p_vertices, const Vector<Vector3> &p_normals, const Vector<Vector2> &p_uv2s, unsigned int p_id) override;
|
|
virtual void set_mesh_alpha_texture(Ref<Image> p_alpha_texture, unsigned int p_id) override;
|
|
virtual void commit() override;
|
|
|
|
virtual void set_mesh_filter(const HashSet<int> &p_mesh_ids) override;
|
|
virtual void clear_mesh_filter() override;
|
|
|
|
static LightmapRaycaster *create_embree_raycaster();
|
|
static void make_default_raycaster();
|
|
|
|
LightmapRaycasterEmbree();
|
|
~LightmapRaycasterEmbree();
|
|
};
|
|
|
|
#endif
|