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Implement Physical Light Units as an optional setting.

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This allows light sources to be specified in physical light units in addition to the regular energy multiplier. In order to avoid loss of precision at high values, brightness values are premultiplied by an exposure normalization value.

In support of Physical Light Units this PR also renames CameraEffects to CameraAttributes.
This commit is contained in:
clayjohn 2022-07-31 16:20:24 -07:00
parent 736632ee7e
commit 385ee5c70b
131 changed files with 2692 additions and 1283 deletions
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22
servers/rendering_server.h
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@ -434,6 +434,7 @@ public:
LIGHT_PARAM_SHADOW_OPACITY,
LIGHT_PARAM_SHADOW_BLUR,
LIGHT_PARAM_TRANSMITTANCE_BIAS,
LIGHT_PARAM_INTENSITY,
LIGHT_PARAM_MAX
};
@ -590,6 +591,7 @@ public:
virtual void voxel_gi_set_dynamic_range(RID p_voxel_gi, float p_range) = 0;
virtual void voxel_gi_set_propagation(RID p_voxel_gi, float p_range) = 0;
virtual void voxel_gi_set_energy(RID p_voxel_gi, float p_energy) = 0;
virtual void voxel_gi_set_baked_exposure_normalization(RID p_voxel_gi, float p_baked_exposure) = 0;
virtual void voxel_gi_set_bias(RID p_voxel_gi, float p_bias) = 0;
virtual void voxel_gi_set_normal_bias(RID p_voxel_gi, float p_range) = 0;
virtual void voxel_gi_set_interior(RID p_voxel_gi, bool p_enable) = 0;
@ -610,6 +612,7 @@ public:
virtual void lightmap_set_probe_bounds(RID p_lightmap, const AABB &p_bounds) = 0;
virtual void lightmap_set_probe_interior(RID p_lightmap, bool p_interior) = 0;
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) = 0;
virtual void lightmap_set_baked_exposure_normalization(RID p_lightmap, float p_exposure) = 0;
virtual PackedVector3Array lightmap_get_probe_capture_points(RID p_lightmap) const = 0;
virtual PackedColorArray lightmap_get_probe_capture_sh(RID p_lightmap) const = 0;
virtual PackedInt32Array lightmap_get_probe_capture_tetrahedra(RID p_lightmap) const = 0;
@ -762,7 +765,7 @@ public:
virtual void camera_set_transform(RID p_camera, const Transform3D &p_transform) = 0;
virtual void camera_set_cull_mask(RID p_camera, uint32_t p_layers) = 0;
virtual void camera_set_environment(RID p_camera, RID p_env) = 0;
virtual void camera_set_camera_effects(RID p_camera, RID p_camera_effects) = 0;
virtual void camera_set_camera_attributes(RID p_camera, RID p_camera_attributes) = 0;
virtual void camera_set_use_vertical_aspect(RID p_camera, bool p_enable) = 0;
/* VIEWPORT API */
@ -1011,7 +1014,7 @@ public:
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_bg_energy(RID p_env, float p_multiplier, float p_exposure_value) = 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, EnvironmentAmbientSource p_ambient = ENV_AMBIENT_SOURCE_BG, float p_energy = 1.0, float p_sky_contribution = 0.0, EnvironmentReflectionSource p_reflection_source = ENV_REFLECTION_SOURCE_BG) = 0;
@ -1035,7 +1038,7 @@ public:
ENV_TONE_MAPPER_ACES
};
virtual void environment_set_tonemap(RID p_env, 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_grey) = 0;
virtual void environment_set_tonemap(RID p_env, EnvironmentToneMapper p_tone_mapper, float p_exposure, float p_white) = 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_ssr(RID p_env, bool p_enable, int p_max_steps, float p_fade_in, float p_fade_out, float p_depth_tolerance) = 0;
@ -1139,7 +1142,7 @@ public:
/* CAMERA EFFECTS */
virtual RID camera_effects_create() = 0;
virtual RID camera_attributes_create() = 0;
enum DOFBlurQuality {
DOF_BLUR_QUALITY_VERY_LOW,
@ -1148,7 +1151,7 @@ public:
DOF_BLUR_QUALITY_HIGH,
};
virtual void camera_effects_set_dof_blur_quality(DOFBlurQuality p_quality, bool p_use_jitter) = 0;
virtual void camera_attributes_set_dof_blur_quality(DOFBlurQuality p_quality, bool p_use_jitter) = 0;
enum DOFBokehShape {
DOF_BOKEH_BOX,
@ -1156,10 +1159,11 @@ public:
DOF_BOKEH_CIRCLE
};
virtual void camera_effects_set_dof_blur_bokeh_shape(DOFBokehShape p_shape) = 0;
virtual void camera_attributes_set_dof_blur_bokeh_shape(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 camera_attributes_set_dof_blur(RID p_camera_attributes, 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_attributes_set_exposure(RID p_camera_attributes, float p_multiplier, float p_exposure_normalization) = 0;
virtual void camera_attributes_set_auto_exposure(RID p_camera_attributes, bool p_enable, float p_min_sensitivity, float p_max_sensitivity, float p_speed, float p_scale) = 0;
/* SCENARIO API */
@ -1167,7 +1171,7 @@ public:
virtual void scenario_set_environment(RID p_scenario, RID p_environment) = 0;
virtual void scenario_set_fallback_environment(RID p_scenario, RID p_environment) = 0;
virtual void scenario_set_camera_effects(RID p_scenario, RID p_camera_effects) = 0;
virtual void scenario_set_camera_attributes(RID p_scenario, RID p_camera_attributes) = 0;
/* INSTANCING API */