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godot/servers/rendering/renderer_scene_render.h
Rémi Verschelde b5334d14f7
Update copyright statements to 2021 
Happy new year to the wonderful Godot community!

2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.

We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)

Here's to a great year 2021 for all Godot users 🎆
2021-01-01 20:19:21 +01:00

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/*************************************************************************/
/* renderer_scene_render.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 RENDERINGSERVERSCENERENDER_H
#define RENDERINGSERVERSCENERENDER_H
#include "core/math/camera_matrix.h"
#include "core/templates/paged_array.h"
#include "servers/rendering/renderer_storage.h"
class RendererSceneRender {
public:
enum {
MAX_DIRECTIONAL_LIGHTS = 8,
MAX_DIRECTIONAL_LIGHT_CASCADES = 4
};
/* SHADOW ATLAS API */
virtual RID
shadow_atlas_create() = 0;
virtual void shadow_atlas_set_size(RID p_atlas, int p_size) = 0;
virtual void shadow_atlas_set_quadrant_subdivision(RID p_atlas, int p_quadrant, int p_subdivision) = 0;
virtual bool shadow_atlas_update_light(RID p_atlas, RID p_light_intance, float p_coverage, uint64_t p_light_version) = 0;
virtual void directional_shadow_atlas_set_size(int p_size) = 0;
virtual int get_directional_light_shadow_size(RID p_light_intance) = 0;
virtual void set_directional_shadow_count(int p_count) = 0;
/* SDFGI UPDATE */
struct InstanceBase;
virtual void sdfgi_update(RID p_render_buffers, RID p_environment, const Vector3 &p_world_position) = 0;
virtual int sdfgi_get_pending_region_count(RID p_render_buffers) const = 0;
virtual AABB sdfgi_get_pending_region_bounds(RID p_render_buffers, int p_region) const = 0;
virtual uint32_t sdfgi_get_pending_region_cascade(RID p_render_buffers, int p_region) const = 0;
virtual void sdfgi_update_probes(RID p_render_buffers, RID p_environment, const Vector<RID> &p_directional_lights, const RID *p_positional_light_instances, uint32_t p_positional_light_count) = 0;
/* SKY API */
virtual RID sky_create() = 0;
virtual void sky_set_radiance_size(RID p_sky, int p_radiance_size) = 0;
virtual void sky_set_mode(RID p_sky, RS::SkyMode p_samples) = 0;
virtual void sky_set_material(RID p_sky, RID p_material) = 0;
virtual Ref<Image> sky_bake_panorama(RID p_sky, float p_energy, bool p_bake_irradiance, const Size2i &p_size) = 0;
/* ENVIRONMENT API */
virtual RID environment_create() = 0;
virtual void environment_set_background(RID p_env, RS::EnvironmentBG p_bg) = 0;
virtual void environment_set_sky(RID p_env, RID p_sky) = 0;
virtual void environment_set_sky_custom_fov(RID p_env, float p_scale) = 0;
virtual void environment_set_sky_orientation(RID p_env, const Basis &p_orientation) = 0;
virtual void environment_set_bg_color(RID p_env, const Color &p_color) = 0;
virtual void environment_set_bg_energy(RID p_env, float p_energy) = 0;
virtual void environment_set_canvas_max_layer(RID p_env, int p_max_layer) = 0;
virtual void environment_set_ambient_light(RID p_env, const Color &p_color, RS::EnvironmentAmbientSource p_ambient = RS::ENV_AMBIENT_SOURCE_BG, float p_energy = 1.0, float p_sky_contribution = 0.0, RS::EnvironmentReflectionSource p_reflection_source = RS::ENV_REFLECTION_SOURCE_BG, const Color &p_ao_color = Color()) = 0;
// FIXME: Disabled during Vulkan refactoring, should be ported.
#if 0
virtual void environment_set_camera_feed_id(RID p_env, int p_camera_feed_id) = 0;
#endif
virtual void environment_set_glow(RID p_env, bool p_enable, Vector<float> p_levels, float p_intensity, float p_strength, float p_mix, float p_bloom_threshold, RS::EnvironmentGlowBlendMode p_blend_mode, float p_hdr_bleed_threshold, float p_hdr_bleed_scale, float p_hdr_luminance_cap) = 0;
virtual void environment_glow_set_use_bicubic_upscale(bool p_enable) = 0;
virtual void environment_glow_set_use_high_quality(bool p_enable) = 0;
virtual void environment_set_volumetric_fog(RID p_env, bool p_enable, float p_density, const Color &p_light, float p_light_energy, float p_length, float p_detail_spread, float p_gi_inject, RS::EnvVolumetricFogShadowFilter p_shadow_filter) = 0;
virtual void environment_set_volumetric_fog_volume_size(int p_size, int p_depth) = 0;
virtual void environment_set_volumetric_fog_filter_active(bool p_enable) = 0;
virtual void environment_set_volumetric_fog_directional_shadow_shrink_size(int p_shrink_size) = 0;
virtual void environment_set_volumetric_fog_positional_shadow_shrink_size(int p_shrink_size) = 0;
virtual void environment_set_ssr(RID p_env, bool p_enable, int p_max_steps, float p_fade_int, float p_fade_out, float p_depth_tolerance) = 0;
virtual void environment_set_ssr_roughness_quality(RS::EnvironmentSSRRoughnessQuality p_quality) = 0;
virtual void environment_set_ssao(RID p_env, bool p_enable, float p_radius, float p_intensity, float p_power, float p_detail, float p_horizon, float p_sharpness, float p_light_affect, float p_ao_channel_affect) = 0;
virtual void environment_set_ssao_quality(RS::EnvironmentSSAOQuality p_quality, bool p_half_size, float p_adaptive_target, int p_blur_passes, float p_fadeout_from, float p_fadeout_to) = 0;
virtual void environment_set_sdfgi(RID p_env, bool p_enable, RS::EnvironmentSDFGICascades p_cascades, float p_min_cell_size, RS::EnvironmentSDFGIYScale p_y_scale, bool p_use_occlusion, bool p_use_multibounce, bool p_read_sky, float p_energy, float p_normal_bias, float p_probe_bias) = 0;
virtual void environment_set_sdfgi_ray_count(RS::EnvironmentSDFGIRayCount p_ray_count) = 0;
virtual void environment_set_sdfgi_frames_to_converge(RS::EnvironmentSDFGIFramesToConverge p_frames) = 0;
virtual void environment_set_tonemap(RID p_env, RS::EnvironmentToneMapper p_tone_mapper, float p_exposure, float p_white, bool p_auto_exposure, float p_min_luminance, float p_max_luminance, float p_auto_exp_speed, float p_auto_exp_scale) = 0;
virtual void environment_set_adjustment(RID p_env, bool p_enable, float p_brightness, float p_contrast, float p_saturation, bool p_use_1d_color_correction, RID p_color_correction) = 0;
virtual void environment_set_fog(RID p_env, bool p_enable, const Color &p_light_color, float p_light_energy, float p_sun_scatter, float p_density, float p_height, float p_height_density, float p_aerial_perspective) = 0;
virtual Ref<Image> environment_bake_panorama(RID p_env, bool p_bake_irradiance, const Size2i &p_size) = 0;
virtual bool is_environment(RID p_env) const = 0;
virtual RS::EnvironmentBG environment_get_background(RID p_env) const = 0;
virtual int environment_get_canvas_max_layer(RID p_env) const = 0;
virtual RID camera_effects_create() = 0;
virtual void camera_effects_set_dof_blur_quality(RS::DOFBlurQuality p_quality, bool p_use_jitter) = 0;
virtual void camera_effects_set_dof_blur_bokeh_shape(RS::DOFBokehShape p_shape) = 0;
virtual void camera_effects_set_dof_blur(RID p_camera_effects, bool p_far_enable, float p_far_distance, float p_far_transition, bool p_near_enable, float p_near_distance, float p_near_transition, float p_amount) = 0;
virtual void camera_effects_set_custom_exposure(RID p_camera_effects, bool p_enable, float p_exposure) = 0;
virtual void shadows_quality_set(RS::ShadowQuality p_quality) = 0;
virtual void directional_shadow_quality_set(RS::ShadowQuality p_quality) = 0;
struct InstanceBase : public RendererStorage::InstanceBaseDependency {
RS::InstanceType base_type;
RID base;
RID skeleton;
RID material_override;
RID mesh_instance; //only used for meshes and when skeleton/blendshapes exist
Transform transform;
float lod_bias;
int depth_layer;
uint32_t layer_mask;
//RID sampled_light;
Vector<RID> materials;
Vector<RID> light_instances;
Vector<RID> reflection_probe_instances;
Vector<RID> gi_probe_instances;
RS::ShadowCastingSetting cast_shadows;
//fit in 32 bits
bool mirror : 8;
bool receive_shadows : 8;
bool visible : 8;
bool baked_light : 2; //this flag is only to know if it actually did use baked light
bool dynamic_gi : 2; //this flag is only to know if it actually did use baked light
bool redraw_if_visible : 4;
float depth; //used for sorting
InstanceBase *lightmap;
Rect2 lightmap_uv_scale;
int lightmap_slice_index;
uint32_t lightmap_cull_index;
Vector<Color> lightmap_sh; //spherical harmonic
AABB aabb;
AABB transformed_aabb;
AABB prev_transformed_aabb;
struct InstanceShaderParameter {
int32_t index = -1;
Variant value;
Variant default_value;
PropertyInfo info;
};
Map<StringName, InstanceShaderParameter> instance_shader_parameters;
bool instance_allocated_shader_parameters = false;
int32_t instance_allocated_shader_parameters_offset = -1;
InstanceBase() {
base_type = RS::INSTANCE_NONE;
cast_shadows = RS::SHADOW_CASTING_SETTING_ON;
receive_shadows = true;
visible = true;
depth_layer = 0;
layer_mask = 1;
instance_version = 0;
baked_light = false;
dynamic_gi = false;
redraw_if_visible = false;
lightmap_slice_index = 0;
lightmap = nullptr;
lightmap_cull_index = 0;
lod_bias = 1.0;
}
virtual ~InstanceBase() {
}
};
virtual RID light_instance_create(RID p_light) = 0;
virtual void light_instance_set_transform(RID p_light_instance, const Transform &p_transform) = 0;
virtual void light_instance_set_aabb(RID p_light_instance, const AABB &p_aabb) = 0;
virtual void light_instance_set_shadow_transform(RID p_light_instance, const CameraMatrix &p_projection, const Transform &p_transform, float p_far, float p_split, int p_pass, float p_shadow_texel_size, float p_bias_scale = 1.0, float p_range_begin = 0, const Vector2 &p_uv_scale = Vector2()) = 0;
virtual void light_instance_mark_visible(RID p_light_instance) = 0;
virtual bool light_instances_can_render_shadow_cube() const {
return true;
}
virtual RID reflection_atlas_create() = 0;
virtual void reflection_atlas_set_size(RID p_ref_atlas, int p_reflection_size, int p_reflection_count) = 0;
virtual int reflection_atlas_get_size(RID p_ref_atlas) const = 0;
virtual RID reflection_probe_instance_create(RID p_probe) = 0;
virtual void reflection_probe_instance_set_transform(RID p_instance, const Transform &p_transform) = 0;
virtual void reflection_probe_release_atlas_index(RID p_instance) = 0;
virtual bool reflection_probe_instance_needs_redraw(RID p_instance) = 0;
virtual bool reflection_probe_instance_has_reflection(RID p_instance) = 0;
virtual bool reflection_probe_instance_begin_render(RID p_instance, RID p_reflection_atlas) = 0;
virtual bool reflection_probe_instance_postprocess_step(RID p_instance) = 0;
virtual RID decal_instance_create(RID p_decal) = 0;
virtual void decal_instance_set_transform(RID p_decal, const Transform &p_transform) = 0;
virtual RID gi_probe_instance_create(RID p_gi_probe) = 0;
virtual void gi_probe_instance_set_transform_to_data(RID p_probe, const Transform &p_xform) = 0;
virtual bool gi_probe_needs_update(RID p_probe) const = 0;
virtual void gi_probe_update(RID p_probe, bool p_update_light_instances, const Vector<RID> &p_light_instances, const PagedArray<RendererSceneRender::InstanceBase *> &p_dynamic_objects) = 0;
virtual void gi_probe_set_quality(RS::GIProbeQuality) = 0;
virtual void render_scene(RID p_render_buffers, const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, const PagedArray<InstanceBase *> &p_instances, const PagedArray<RID> &p_lights, const PagedArray<RID> &p_reflection_probes, const PagedArray<RID> &p_gi_probes, const PagedArray<RID> &p_decals, const PagedArray<InstanceBase *> &p_lightmaps, RID p_environment, RID p_camera_effects, RID p_shadow_atlas, RID p_reflection_atlas, RID p_reflection_probe, int p_reflection_probe_pass, float p_screen_lod_threshold) = 0;
virtual void render_shadow(RID p_light, RID p_shadow_atlas, int p_pass, const PagedArray<InstanceBase *> &p_instances, const Plane &p_camera_plane = Plane(), float p_lod_distance_multiplier = 0, float p_screen_lod_threshold = 0.0) = 0;
virtual void render_material(const Transform &p_cam_transform, const CameraMatrix &p_cam_projection, bool p_cam_ortogonal, const PagedArray<InstanceBase *> &p_instances, RID p_framebuffer, const Rect2i &p_region) = 0;
virtual void render_sdfgi(RID p_render_buffers, int p_region, const PagedArray<InstanceBase *> &p_instances) = 0;
virtual void render_sdfgi_static_lights(RID p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const PagedArray<RID> *p_positional_lights) = 0;
virtual void render_particle_collider_heightfield(RID p_collider, const Transform &p_transform, const PagedArray<InstanceBase *> &p_instances) = 0;
virtual void set_scene_pass(uint64_t p_pass) = 0;
virtual void set_time(double p_time, double p_step) = 0;
virtual void set_debug_draw_mode(RS::ViewportDebugDraw p_debug_draw) = 0;
virtual RID render_buffers_create() = 0;
virtual void render_buffers_configure(RID p_render_buffers, RID p_render_target, int p_width, int p_height, RS::ViewportMSAA p_msaa, RS::ViewportScreenSpaceAA p_screen_space_aa, bool p_use_debanding) = 0;
virtual void screen_space_roughness_limiter_set_active(bool p_enable, float p_amount, float p_limit) = 0;
virtual bool screen_space_roughness_limiter_is_active() const = 0;
virtual void sub_surface_scattering_set_quality(RS::SubSurfaceScatteringQuality p_quality) = 0;
virtual void sub_surface_scattering_set_scale(float p_scale, float p_depth_scale) = 0;
virtual TypedArray<Image> bake_render_uv2(RID p_base, const Vector<RID> &p_material_overrides, const Size2i &p_image_size) = 0;
virtual bool free(RID p_rid) = 0;
virtual void sdfgi_set_debug_probe_select(const Vector3 &p_position, const Vector3 &p_dir) = 0;
virtual bool is_low_end() const = 0;
virtual void update() = 0;
virtual ~RendererSceneRender() {}
};
#endif // RENDERINGSERVERSCENERENDER_H
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