48 lines
1.4 KiB
GLSL
48 lines
1.4 KiB
GLSL
// Maximum number of shadow cascades supported in shaders
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#define MAX_CASCADES 4
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// Maximum number of punctual (point) lights
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#define MAX_PUNCTUAL_LIGHTS 64
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struct GPUPunctualLight {
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vec4 position_radius;
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vec4 color_intensity;
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};
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layout(set = 0, binding = 0) uniform SceneData{
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mat4 view;
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mat4 proj;
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mat4 viewproj;
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// Legacy single shadow matrix (used for near range in mixed mode)
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mat4 lightViewProj;
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vec4 ambientColor;
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vec4 sunlightDirection; //w for sun power
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vec4 sunlightColor;
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// Cascaded shadow matrices (0 = near/simple map, 1..N-1 = CSM)
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mat4 lightViewProjCascades[4];
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// View-space split distances for selecting cascades (x,y,z,w)
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vec4 cascadeSplitsView;
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// Ray-query settings (packed)
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// rtOptions.x = enabled (1/0)
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// rtOptions.y = cascade bitmask (bit i => cascade i assisted)
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uvec4 rtOptions;
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// rtParams.x = N·L threshold; others reserved
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vec4 rtParams;
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GPUPunctualLight punctualLights[MAX_PUNCTUAL_LIGHTS];
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uvec4 lightCounts;
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} sceneData;
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layout(set = 1, binding = 0) uniform GLTFMaterialData{
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vec4 colorFactors;
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vec4 metal_rough_factors;
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vec4 extra[14];
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} materialData;
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layout(set = 1, binding = 1) uniform sampler2D colorTex;
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layout(set = 1, binding = 2) uniform sampler2D metalRoughTex;
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layout(set = 1, binding = 3) uniform sampler2D normalMap; // tangent-space normal, UNORM
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