From dab915b60d07946379d364bd465f165e1f27688b Mon Sep 17 00:00:00 2001
From: Onek8 <mail@1k8.org>
Date: Wed, 21 May 2025 02:01:43 +0000
Subject: [PATCH] Delete leenkx/Shaders/voxel_light.comp.glsl

---
 leenkx/Shaders/voxel_light.comp.glsl | 135 ---------------------------
 1 file changed, 135 deletions(-)
 delete mode 100644 leenkx/Shaders/voxel_light.comp.glsl

diff --git a/leenkx/Shaders/voxel_light.comp.glsl b/leenkx/Shaders/voxel_light.comp.glsl
deleted file mode 100644
index 3fbdd82..0000000
--- a/leenkx/Shaders/voxel_light.comp.glsl
+++ /dev/null
@@ -1,135 +0,0 @@
-#version 450
-
-layout (local_size_x = 8, local_size_y = 8, local_size_z = 8) in;
-
-#include "compiled.inc"
-#include "std/math.glsl"
-#include "std/gbuffer.glsl"
-#include "std/imageatomic.glsl"
-#ifdef _VoxelShadow
-#include "std/conetrace.glsl"
-#endif
-
-uniform vec3 lightPos;
-uniform vec3 lightColor;
-uniform int lightType;
-uniform vec3 lightDir;
-uniform vec2 spotData;
-#ifdef _ShadowMap
-uniform int lightShadow;
-uniform vec2 lightProj;
-uniform float shadowsBias;
-uniform mat4 LVP;
-#ifdef _ShadowMapAtlas
-uniform int index;
-uniform vec4 pointLightDataArray[maxLightsCluster * 6];
-#endif
-#endif
-
-uniform float clipmaps[voxelgiClipmapCount * 10];
-uniform int clipmapLevel;
-
-uniform layout(r32ui) uimage3D voxelsLight;
-
-#ifdef _ShadowMap
-uniform sampler2DShadow shadowMap;
-uniform sampler2D shadowMapTransparent;
-uniform sampler2DShadow shadowMapSpot;
-#ifdef _ShadowMapAtlas
-uniform sampler2DShadow shadowMapPoint;
-#else
-uniform samplerCubeShadow shadowMapPoint;
-#endif
-#endif
-
-#ifdef _ShadowMapAtlas
-// https://www.khronos.org/registry/OpenGL/specs/gl/glspec20.pdf // p:168
-// https://www.gamedev.net/forums/topic/687535-implementing-a-cube-map-lookup-function/5337472/
-vec2 sampleCube(vec3 dir, out int faceIndex) {
-	vec3 dirAbs = abs(dir);
-	float ma;
-	vec2 uv;
-	if(dirAbs.z >= dirAbs.x && dirAbs.z >= dirAbs.y) {
-		faceIndex = dir.z < 0.0 ? 5 : 4;
-		ma = 0.5 / dirAbs.z;
-		uv = vec2(dir.z < 0.0 ? -dir.x : dir.x, -dir.y);
-	}
-	else if(dirAbs.y >= dirAbs.x) {
-		faceIndex = dir.y < 0.0 ? 3 : 2;
-		ma = 0.5 / dirAbs.y;
-		uv = vec2(dir.x, dir.y < 0.0 ? -dir.z : dir.z);
-	}
-	else {
-		faceIndex = dir.x < 0.0 ? 1 : 0;
-		ma = 0.5 / dirAbs.x;
-		uv = vec2(dir.x < 0.0 ? dir.z : -dir.z, -dir.y);
-	}
-	// downscale uv a little to hide seams
-	// transform coordinates from clip space to texture space
-	#ifndef _FlipY
-		return uv * 0.9976 * ma + 0.5;
-	#else
-		#ifdef HLSL
-			return uv * 0.9976 * ma + 0.5;
-		#else
-			return vec2(uv.x * ma, uv.y * -ma) * 0.9976 + 0.5;
-		#endif
-	#endif
-}
-#endif
-
-float lpToDepth(vec3 lp, const vec2 lightProj) {
-	lp = abs(lp);
-	float zcomp = max(lp.x, max(lp.y, lp.z));
-	zcomp = lightProj.x - lightProj.y / zcomp;
-	return zcomp * 0.5 + 0.5;
-}
-
-void main() {
-	int res = voxelgiResolution.x;
-	ivec3 dst = ivec3(gl_GlobalInvocationID.xyz);
-
-	vec3 wposition = (gl_GlobalInvocationID.xyz + 0.5) / voxelgiResolution.x;
-	wposition = wposition * 2.0 - 1.0;
-	wposition *= float(clipmaps[int(clipmapLevel * 10)]);
-	wposition *= voxelgiResolution.x;
-	wposition += vec3(clipmaps[clipmapLevel * 10 + 4], clipmaps[clipmapLevel * 10 + 5], clipmaps[clipmapLevel * 10 + 6]);
-
-	float visibility;
-	vec3 lp = lightPos -wposition;
-	vec3 l;
-	if (lightType == 0) { l = lightDir; visibility = 1.0; }
-	else { l = normalize(lp); visibility = attenuate(distance(wposition, lightPos)); }
-
-#ifdef _ShadowMap
-	if (lightShadow == 1) {
-		vec4 lightPosition = LVP * vec4(wposition, 1.0);
-		vec3 lPos = lightPosition.xyz / lightPosition.w;
-		visibility = texture(shadowMap, vec3(lPos.xy, lPos.z - shadowsBias)).r;
-	}
-	else if (lightShadow == 2) {
-		vec4 lightPosition = LVP * vec4(wposition, 1.0);
-		vec3 lPos = lightPosition.xyz / lightPosition.w;
-		visibility *= texture(shadowMapSpot, vec3(lPos.xy, lPos.z - shadowsBias)).r;
-	}
-	else if (lightShadow == 3) {
-		#ifdef _ShadowMapAtlas
-		int faceIndex = 0;
-		const int lightIndex = index * 6;
-		const vec2 uv = sampleCube(-l, faceIndex);
-		vec4 pointLightTile = pointLightDataArray[lightIndex + faceIndex]; // x: tile X offset, y: tile Y offset, z: tile size relative to atlas
-		vec2 uvtiled = pointLightTile.z * uv + pointLightTile.xy;
-		#ifdef _FlipY
-		uvtiled.y = 1.0 - uvtiled.y; // invert Y coordinates for direct3d coordinate system
-		#endif
-		visibility *= texture(shadowMapPoint, vec3(uvtiled, lpToDepth(lp, lightProj) - shadowsBias)).r;
-		#else
-		visibility *= texture(shadowMapPoint, vec4(-l, lpToDepth(lp, lightProj) - shadowsBias)).r;
-		#endif
-	}
-#endif
-
-	imageAtomicAdd(voxelsLight, dst, uint(visibility * lightColor.r * 255));
-	imageAtomicAdd(voxelsLight, dst + ivec3(0, 0, voxelgiResolution.x), uint(visibility * lightColor.g * 255));
-	imageAtomicAdd(voxelsLight, dst + ivec3(0, 0, voxelgiResolution.x * 2), uint(visibility * lightColor.b * 255));
-}