TriVoxel/LNXSDK
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Math fixes, SSR enhancements, improved precision and image sharpness, moved envmap into its own shader to improve SSR realism. Various improvements.

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TriVoxel
2025-04-28 06:12:27 -06:00
parent ddc3a071f4
commit 0cdb90bdb8
5 changed files with 247 additions and 93 deletions
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12
leenkx/Shaders/std/math.glsl
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@ -7,6 +7,12 @@ float hash(const vec2 p) {
return fract(sin(h) * 43758.5453123);
}
float hash12(vec2 p) {
vec3 p3 = fract(vec3(p.xyx) * 0.1031);
p3 += dot(p3, p3.yzx + 33.33);
return fract((p3.x + p3.y) * p3.z);
}
vec2 envMapEquirect(const vec3 normal) {
const float PI = 3.1415926535;
const float PI2 = PI * 2.0;
@ -27,9 +33,9 @@ vec2 rand2(const vec2 coord) {
return vec2(noiseX, noiseY);
}
float linearize(const float depth, vec2 cameraProj) {
// to viewz
return cameraProj.y / (depth - cameraProj.x);
float linearize(float depth, vec2 cameraProj) {
depth = depth * 2.0 - 1.0;
return cameraProj.y / (cameraProj.x - depth);
}
float attenuate(const float dist) {