96 lines
2.4 KiB
GLSL
96 lines
2.4 KiB
GLSL
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#define CLUSTER_COUNTER_SHIFT 20
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#define CLUSTER_POINTER_MASK ((1 << CLUSTER_COUNTER_SHIFT) - 1)
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#define CLUSTER_COUNTER_MASK 0xfff
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struct LightData { //this structure needs to be as packed as possible
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vec3 position;
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float inv_radius;
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vec3 direction;
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float size;
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uint attenuation_energy; //attenuation
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uint color_specular; //rgb color, a specular (8 bit unorm)
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uint cone_attenuation_angle; // attenuation and angle, (16bit float)
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uint shadow_color_enabled; //shadow rgb color, a>0.5 enabled (8bit unorm)
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vec4 atlas_rect; // rect in the shadow atlas
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mat4 shadow_matrix;
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float shadow_bias;
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float shadow_normal_bias;
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float transmittance_bias;
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float soft_shadow_size; // for spot, it's the size in uv coordinates of the light, for omni it's the span angle
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float soft_shadow_scale; // scales the shadow kernel for blurrier shadows
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uint mask;
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float shadow_volumetric_fog_fade;
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uint pad;
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vec4 projector_rect; //projector rect in srgb decal atlas
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};
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#define REFLECTION_AMBIENT_DISABLED 0
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#define REFLECTION_AMBIENT_ENVIRONMENT 1
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#define REFLECTION_AMBIENT_COLOR 2
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struct ReflectionData {
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vec3 box_extents;
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float index;
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vec3 box_offset;
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uint mask;
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vec4 params; // intensity, 0, interior , boxproject
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vec3 ambient; // ambient color
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uint ambient_mode;
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mat4 local_matrix; // up to here for spot and omni, rest is for directional
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// notes: for ambientblend, use distance to edge to blend between already existing global environment
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};
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struct DirectionalLightData {
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vec3 direction;
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float energy;
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vec3 color;
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float size;
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float specular;
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uint mask;
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float softshadow_angle;
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float soft_shadow_scale;
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bool blend_splits;
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bool shadow_enabled;
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float fade_from;
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float fade_to;
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uvec3 pad;
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float shadow_volumetric_fog_fade;
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vec4 shadow_bias;
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vec4 shadow_normal_bias;
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vec4 shadow_transmittance_bias;
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vec4 shadow_z_range;
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vec4 shadow_range_begin;
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vec4 shadow_split_offsets;
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mat4 shadow_matrix1;
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mat4 shadow_matrix2;
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mat4 shadow_matrix3;
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mat4 shadow_matrix4;
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vec4 shadow_color1;
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vec4 shadow_color2;
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vec4 shadow_color3;
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vec4 shadow_color4;
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vec2 uv_scale1;
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vec2 uv_scale2;
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vec2 uv_scale3;
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vec2 uv_scale4;
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};
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struct DecalData {
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mat4 xform; //to decal transform
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vec3 inv_extents;
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float albedo_mix;
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vec4 albedo_rect;
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vec4 normal_rect;
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vec4 orm_rect;
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vec4 emission_rect;
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vec4 modulate;
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float emission_energy;
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uint mask;
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float upper_fade;
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float lower_fade;
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mat3x4 normal_xform;
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vec3 normal;
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float normal_fade;
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};
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