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https://git.code.sf.net/p/quake/quakeforge
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22 lines
588 B
GLSL
22 lines
588 B
GLSL
#version 450
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#extension GL_GOOGLE_include_directive : enable
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#include "lighting.h"
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layout (set = 3, binding = 0) uniform sampler2DArrayShadow shadow_map[32];
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float
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shadow (uint map_id, uint layer, uint mat_id, vec4 pos, vec3 lpos)
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{
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float fd = pos.w;
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uint ind = fd > CascadeDepths[1]
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? fd > CascadeDepths[0] ? 0 : 1
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: fd > CascadeDepths[2] ? 2 : 3;
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vec4 p = shadow_mats[mat_id + ind] * vec4 (pos.xyz, 1);
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p = p / p.w;
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float depth = p.z;
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vec2 uv = (p.xy + vec2(1)) / 2;
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return texture (shadow_map[map_id], vec4 (uv, layer + ind, depth));
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}
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#include "lighting_main.finc"
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