48 lines
2.2 KiB
HLSL
48 lines
2.2 KiB
HLSL
|
#ifndef POI_ENVIRONMENTAL_RIM
|
||
|
|
#define POI_ENVIRONMENTAL_RIM
|
||
|
|
|
||
|
|
//enviro rim
|
||
|
|
float _EnableEnvironmentalRim;
|
||
|
|
float _RimEnviroBlur;
|
||
|
|
float _RimEnviroMinBrightness;
|
||
|
|
float _RimEnviroWidth;
|
||
|
|
float _RimEnviroSharpness;
|
||
|
|
float _RimEnviroIntensity;
|
||
|
|
#if defined(PROP_RIMENVIROMASK) || !defined(OPTIMIZER_ENABLED)
|
||
|
|
POI_TEXTURE_NOSAMPLER(_RimEnviroMask);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
float3 calculateEnvironmentalRimLighting(in float4 albedo)
|
||
|
|
{
|
||
|
|
float enviroRimAlpha = saturate(1 - smoothstep(min(_RimEnviroSharpness, _RimEnviroWidth), _RimEnviroWidth, poiCam.viewDotNormal));
|
||
|
|
_RimEnviroBlur *= 1.7 - 0.7 * _RimEnviroBlur;
|
||
|
|
|
||
|
|
float3 enviroRimColor = 0;
|
||
|
|
float interpolator = unity_SpecCube0_BoxMin.w;
|
||
|
|
UNITY_BRANCH
|
||
|
|
if (interpolator < 0.99999)
|
||
|
|
{
|
||
|
|
//Probe 1
|
||
|
|
float4 reflectionData0 = UNITY_SAMPLE_TEXCUBE_LOD(unity_SpecCube0, poiMesh.normals[1], _RimEnviroBlur * UNITY_SPECCUBE_LOD_STEPS);
|
||
|
|
float3 reflectionColor0 = DecodeHDR(reflectionData0, unity_SpecCube0_HDR);
|
||
|
|
|
||
|
|
//Probe 2
|
||
|
|
float4 reflectionData1 = UNITY_SAMPLE_TEXCUBE_SAMPLER_LOD(unity_SpecCube1, unity_SpecCube0, poiMesh.normals[1], _RimEnviroBlur * UNITY_SPECCUBE_LOD_STEPS);
|
||
|
|
float3 reflectionColor1 = DecodeHDR(reflectionData1, unity_SpecCube1_HDR);
|
||
|
|
|
||
|
|
enviroRimColor = lerp(reflectionColor1, reflectionColor0, interpolator);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
float4 reflectionData = UNITY_SAMPLE_TEXCUBE_LOD(unity_SpecCube0, poiMesh.normals[1], _RimEnviroBlur * UNITY_SPECCUBE_LOD_STEPS);
|
||
|
|
enviroRimColor = DecodeHDR(reflectionData, unity_SpecCube0_HDR);
|
||
|
|
}
|
||
|
|
#if defined(PROP_RIMENVIROMASK) || !defined(OPTIMIZER_ENABLED)
|
||
|
|
half enviroMask = poiMax(POI2D_SAMPLER_PAN(_RimEnviroMask, _MainTex, poiMesh.uv[_RimEnviroMaskUV], _RimEnviroMaskPan).rgb);
|
||
|
|
#else
|
||
|
|
half enviroMask = 1;
|
||
|
|
#endif
|
||
|
|
return lerp(0, max(0, (enviroRimColor - _RimEnviroMinBrightness) * albedo.rgb), enviroRimAlpha).rgb * enviroMask * _RimEnviroIntensity;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|