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godot/drivers/gles3/storage/light_storage.h
Rémi Verschelde 90019676b0 Code quality: Fix header guards consistency 
Adds `header_guards.sh` bash script, used in CI to validate future
changes. Can be run locally to fix invalid header guards.
2022-07-25 11:17:40 +02:00

348 lines
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/*************************************************************************/
/* light_storage.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. */
/*************************************************************************/
#ifndef LIGHT_STORAGE_GLES3_H
#define LIGHT_STORAGE_GLES3_H
#ifdef GLES3_ENABLED
#include "core/templates/local_vector.h"
#include "core/templates/rid_owner.h"
#include "core/templates/self_list.h"
#include "servers/rendering/renderer_compositor.h"
#include "servers/rendering/storage/light_storage.h"
#include "servers/rendering/storage/utilities.h"
#include "platform_config.h"
#ifndef OPENGL_INCLUDE_H
#include <GLES3/gl3.h>
#else
#include OPENGL_INCLUDE_H
#endif
namespace GLES3 {
/* LIGHT */
struct Light {
RS::LightType type;
float param[RS::LIGHT_PARAM_MAX];
Color color = Color(1, 1, 1, 1);
RID projector;
bool shadow = false;
bool negative = false;
bool reverse_cull = false;
RS::LightBakeMode bake_mode = RS::LIGHT_BAKE_DYNAMIC;
uint32_t max_sdfgi_cascade = 2;
uint32_t cull_mask = 0xFFFFFFFF;
bool distance_fade = false;
real_t distance_fade_begin = 40.0;
real_t distance_fade_shadow = 50.0;
real_t distance_fade_length = 10.0;
RS::LightOmniShadowMode omni_shadow_mode = RS::LIGHT_OMNI_SHADOW_DUAL_PARABOLOID;
RS::LightDirectionalShadowMode directional_shadow_mode = RS::LIGHT_DIRECTIONAL_SHADOW_ORTHOGONAL;
bool directional_blend_splits = false;
RS::LightDirectionalSkyMode directional_sky_mode = RS::LIGHT_DIRECTIONAL_SKY_MODE_LIGHT_AND_SKY;
uint64_t version = 0;
Dependency dependency;
};
/* REFLECTION PROBE */
struct ReflectionProbe {
RS::ReflectionProbeUpdateMode update_mode = RS::REFLECTION_PROBE_UPDATE_ONCE;
int resolution = 256;
float intensity = 1.0;
RS::ReflectionProbeAmbientMode ambient_mode = RS::REFLECTION_PROBE_AMBIENT_ENVIRONMENT;
Color ambient_color;
float ambient_color_energy = 1.0;
float max_distance = 0;
Vector3 extents = Vector3(1, 1, 1);
Vector3 origin_offset;
bool interior = false;
bool box_projection = false;
bool enable_shadows = false;
uint32_t cull_mask = (1 << 20) - 1;
float mesh_lod_threshold = 0.01;
Dependency dependency;
};
/* LIGHTMAP */
struct Lightmap {
RID light_texture;
bool uses_spherical_harmonics = false;
bool interior = false;
AABB bounds = AABB(Vector3(), Vector3(1, 1, 1));
int32_t array_index = -1; //unassigned
PackedVector3Array points;
PackedColorArray point_sh;
PackedInt32Array tetrahedra;
PackedInt32Array bsp_tree;
struct BSP {
static const int32_t EMPTY_LEAF = INT32_MIN;
float plane[4];
int32_t over = EMPTY_LEAF, under = EMPTY_LEAF;
};
Dependency dependency;
};
class LightStorage : public RendererLightStorage {
private:
static LightStorage *singleton;
/* LIGHT */
mutable RID_Owner<Light, true> light_owner;
/* REFLECTION PROBE */
mutable RID_Owner<ReflectionProbe, true> reflection_probe_owner;
/* LIGHTMAP */
Vector<RID> lightmap_textures;
mutable RID_Owner<Lightmap, true> lightmap_owner;
public:
static LightStorage *get_singleton();
LightStorage();
virtual ~LightStorage();
/* Light API */
Light *get_light(RID p_rid) { return light_owner.get_or_null(p_rid); };
bool owns_light(RID p_rid) { return light_owner.owns(p_rid); };
void _light_initialize(RID p_rid, RS::LightType p_type);
virtual RID directional_light_allocate() override;
virtual void directional_light_initialize(RID p_rid) override;
virtual RID omni_light_allocate() override;
virtual void omni_light_initialize(RID p_rid) override;
virtual RID spot_light_allocate() override;
virtual void spot_light_initialize(RID p_rid) override;
virtual void light_free(RID p_rid) override;
virtual void light_set_color(RID p_light, const Color &p_color) override;
virtual void light_set_param(RID p_light, RS::LightParam p_param, float p_value) override;
virtual void light_set_shadow(RID p_light, bool p_enabled) override;
virtual void light_set_projector(RID p_light, RID p_texture) override;
virtual void light_set_negative(RID p_light, bool p_enable) override;
virtual void light_set_cull_mask(RID p_light, uint32_t p_mask) override;
virtual void light_set_distance_fade(RID p_light, bool p_enabled, float p_begin, float p_shadow, float p_length) override;
virtual void light_set_reverse_cull_face_mode(RID p_light, bool p_enabled) override;
virtual void light_set_bake_mode(RID p_light, RS::LightBakeMode p_bake_mode) override;
virtual void light_set_max_sdfgi_cascade(RID p_light, uint32_t p_cascade) override {}
virtual void light_omni_set_shadow_mode(RID p_light, RS::LightOmniShadowMode p_mode) override;
virtual void light_directional_set_shadow_mode(RID p_light, RS::LightDirectionalShadowMode p_mode) override;
virtual void light_directional_set_blend_splits(RID p_light, bool p_enable) override;
virtual bool light_directional_get_blend_splits(RID p_light) const override;
virtual void light_directional_set_sky_mode(RID p_light, RS::LightDirectionalSkyMode p_mode) override;
virtual RS::LightDirectionalSkyMode light_directional_get_sky_mode(RID p_light) const override;
virtual RS::LightDirectionalShadowMode light_directional_get_shadow_mode(RID p_light) override;
virtual RS::LightOmniShadowMode light_omni_get_shadow_mode(RID p_light) override;
virtual RS::LightType light_get_type(RID p_light) const override {
const Light *light = light_owner.get_or_null(p_light);
ERR_FAIL_COND_V(!light, RS::LIGHT_DIRECTIONAL);
return light->type;
}
virtual AABB light_get_aabb(RID p_light) const override;
virtual float light_get_param(RID p_light, RS::LightParam p_param) override {
const Light *light = light_owner.get_or_null(p_light);
ERR_FAIL_COND_V(!light, 0);
return light->param[p_param];
}
_FORCE_INLINE_ RID light_get_projector(RID p_light) {
const Light *light = light_owner.get_or_null(p_light);
ERR_FAIL_COND_V(!light, RID());
return light->projector;
}
virtual Color light_get_color(RID p_light) override {
const Light *light = light_owner.get_or_null(p_light);
ERR_FAIL_COND_V(!light, Color());
return light->color;
}
_FORCE_INLINE_ uint32_t light_get_cull_mask(RID p_light) {
const Light *light = light_owner.get_or_null(p_light);
ERR_FAIL_COND_V(!light, 0);
return light->cull_mask;
}
_FORCE_INLINE_ bool light_is_distance_fade_enabled(RID p_light) {
const Light *light = light_owner.get_or_null(p_light);
return light->distance_fade;
}
_FORCE_INLINE_ float light_get_distance_fade_begin(RID p_light) {
const Light *light = light_owner.get_or_null(p_light);
return light->distance_fade_begin;
}
_FORCE_INLINE_ float light_get_distance_fade_shadow(RID p_light) {
const Light *light = light_owner.get_or_null(p_light);
return light->distance_fade_shadow;
}
_FORCE_INLINE_ float light_get_distance_fade_length(RID p_light) {
const Light *light = light_owner.get_or_null(p_light);
return light->distance_fade_length;
}
virtual bool light_has_shadow(RID p_light) const override {
const Light *light = light_owner.get_or_null(p_light);
ERR_FAIL_COND_V(!light, RS::LIGHT_DIRECTIONAL);
return light->shadow;
}
virtual bool light_has_projector(RID p_light) const override {
const Light *light = light_owner.get_or_null(p_light);
ERR_FAIL_COND_V(!light, RS::LIGHT_DIRECTIONAL);
return light_owner.owns(light->projector);
}
_FORCE_INLINE_ bool light_is_negative(RID p_light) const {
const Light *light = light_owner.get_or_null(p_light);
ERR_FAIL_COND_V(!light, RS::LIGHT_DIRECTIONAL);
return light->negative;
}
_FORCE_INLINE_ float light_get_transmittance_bias(RID p_light) const {
const Light *light = light_owner.get_or_null(p_light);
ERR_FAIL_COND_V(!light, 0.0);
return light->param[RS::LIGHT_PARAM_TRANSMITTANCE_BIAS];
}
_FORCE_INLINE_ float light_get_shadow_volumetric_fog_fade(RID p_light) const {
const Light *light = light_owner.get_or_null(p_light);
ERR_FAIL_COND_V(!light, 0.0);
return light->param[RS::LIGHT_PARAM_SHADOW_VOLUMETRIC_FOG_FADE];
}
virtual RS::LightBakeMode light_get_bake_mode(RID p_light) override;
virtual uint32_t light_get_max_sdfgi_cascade(RID p_light) override { return 0; }
virtual uint64_t light_get_version(RID p_light) const override;
/* PROBE API */
virtual RID reflection_probe_allocate() override;
virtual void reflection_probe_initialize(RID p_rid) override;
virtual void reflection_probe_free(RID p_rid) override;
virtual void reflection_probe_set_update_mode(RID p_probe, RS::ReflectionProbeUpdateMode p_mode) override;
virtual void reflection_probe_set_intensity(RID p_probe, float p_intensity) override;
virtual void reflection_probe_set_ambient_mode(RID p_probe, RS::ReflectionProbeAmbientMode p_mode) override;
virtual void reflection_probe_set_ambient_color(RID p_probe, const Color &p_color) override;
virtual void reflection_probe_set_ambient_energy(RID p_probe, float p_energy) override;
virtual void reflection_probe_set_max_distance(RID p_probe, float p_distance) override;
virtual void reflection_probe_set_extents(RID p_probe, const Vector3 &p_extents) override;
virtual void reflection_probe_set_origin_offset(RID p_probe, const Vector3 &p_offset) override;
virtual void reflection_probe_set_as_interior(RID p_probe, bool p_enable) override;
virtual void reflection_probe_set_enable_box_projection(RID p_probe, bool p_enable) override;
virtual void reflection_probe_set_enable_shadows(RID p_probe, bool p_enable) override;
virtual void reflection_probe_set_cull_mask(RID p_probe, uint32_t p_layers) override;
virtual void reflection_probe_set_resolution(RID p_probe, int p_resolution) override;
virtual void reflection_probe_set_mesh_lod_threshold(RID p_probe, float p_ratio) override;
virtual float reflection_probe_get_mesh_lod_threshold(RID p_probe) const override;
virtual AABB reflection_probe_get_aabb(RID p_probe) const override;
virtual RS::ReflectionProbeUpdateMode reflection_probe_get_update_mode(RID p_probe) const override;
virtual uint32_t reflection_probe_get_cull_mask(RID p_probe) const override;
virtual Vector3 reflection_probe_get_extents(RID p_probe) const override;
virtual Vector3 reflection_probe_get_origin_offset(RID p_probe) const override;
virtual float reflection_probe_get_origin_max_distance(RID p_probe) const override;
virtual bool reflection_probe_renders_shadows(RID p_probe) const override;
/* LIGHTMAP CAPTURE */
virtual RID lightmap_allocate() override;
virtual void lightmap_initialize(RID p_rid) override;
virtual void lightmap_free(RID p_rid) override;
virtual void lightmap_set_textures(RID p_lightmap, RID p_light, bool p_uses_spherical_haromics) override;
virtual void lightmap_set_probe_bounds(RID p_lightmap, const AABB &p_bounds) override;
virtual void lightmap_set_probe_interior(RID p_lightmap, bool p_interior) override;
virtual void lightmap_set_probe_capture_data(RID p_lightmap, const PackedVector3Array &p_points, const PackedColorArray &p_point_sh, const PackedInt32Array &p_tetrahedra, const PackedInt32Array &p_bsp_tree) override;
virtual PackedVector3Array lightmap_get_probe_capture_points(RID p_lightmap) const override;
virtual PackedColorArray lightmap_get_probe_capture_sh(RID p_lightmap) const override;
virtual PackedInt32Array lightmap_get_probe_capture_tetrahedra(RID p_lightmap) const override;
virtual PackedInt32Array lightmap_get_probe_capture_bsp_tree(RID p_lightmap) const override;
virtual AABB lightmap_get_aabb(RID p_lightmap) const override;
virtual void lightmap_tap_sh_light(RID p_lightmap, const Vector3 &p_point, Color *r_sh) override;
virtual bool lightmap_is_interior(RID p_lightmap) const override;
virtual void lightmap_set_probe_capture_update_speed(float p_speed) override;
virtual float lightmap_get_probe_capture_update_speed() const override;
/* LIGHT SHADOW MAPPING */
/*
struct CanvasOccluder {
RID self;
GLuint vertex_id; // 0 means, unconfigured
GLuint index_id; // 0 means, unconfigured
LocalVector<Vector2> lines;
int len;
};
RID_Owner<CanvasOccluder> canvas_occluder_owner;
RID canvas_light_occluder_create();
void canvas_light_occluder_set_polylines(RID p_occluder, const LocalVector<Vector2> &p_lines);
*/
};
} // namespace GLES3
#endif // GLES3_ENABLED
#endif // LIGHT_STORAGE_GLES3_H
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