yum/3ner

A toon shader for Unity's BIRP.

git clone https://git.yummers.dev/yum/3ner

yumOops, add triplanar.cginc3e074f9

master
branchesmasterall refs →
1.5 KiB43 linesraw
1#ifndef __TRIPLANAR_INC
2#define __TRIPLANAR_INC
3
4#include "burley.cginc"
5#include "globals.cginc"
6#include "math.cginc"
7
8#if defined(TRIPLANAR)
9void sample_triplanar(texture2D tex, float3 uv, out float4 s0, out float4 s1, out float4 s2) {
10    s0 = tex.Sample(aniso4_trilinear_repeat_s, uv.yz);
11    s1 = tex.Sample(aniso4_trilinear_repeat_s, uv.xz);
12    s2 = tex.Sample(aniso4_trilinear_repeat_s, uv.xy);
13}
14
15float3 triplanar_weights(float3 worldNormal, float3 uv) {
16    float3 weights = abs(worldNormal);
17    return weights / (weights.x + weights.y + weights.z);
18}
19#endif
20
21void apply_triplanar_layers(float3 worldPos, float3 normal_world, inout Pbr pbr, inout float3 normal_tangent) {
22#if defined(TRIPLANAR)
23    float3 weights = triplanar_weights(normal_world, worldPos);
24#if defined(_TRIPLANAR_LAYER0)
25    {
26        float3 uv = worldPos * _Triplanar_Layer0_Scale;
27        float4 a0, a1, a2;
28        sample_triplanar(_Triplanar_Layer0_MainTex, uv, a0, a1, a2);
29        float3 albedo = a0 * weights.x + a1 * weights.y + a2 * weights.z;
30#if defined(_TRIPLANAR_LAYER0_BURLEY)
31        float3 burley_weights = burley_apply_blend_gamma(weights, _Triplanar_Layer0_Burley_Blend_Gamma);
32        albedo = burley_degaussianize(
33            _Triplanar_Layer0_MainTex_Burley_LUT,
34            burley_apply_soft_clipping(albedo, burley_weights),
35            true);
36#endif  // _TRIPLANAR_LAYER0_BURLEY
37        pbr.albedo.rgb = albedo;
38    }
39#endif  // _TRIPLANAR_LAYER0
40#endif  // TRIPLANAR
41}
42
43#endif  // __TRIPLANAR_INC