60 lines
No EOL
2.1 KiB
HLSL
60 lines
No EOL
2.1 KiB
HLSL
#include "../../sampler.hlsl"
|
|
|
|
/*
|
|
contributors: Patricio Gonzalez Vivo
|
|
description: Get material roughness property from GlslViewer's defines https://github.com/patriciogonzalezvivo/glslViewer/wiki/GlslViewer-DEFINES#material-defines
|
|
use: float4 materialRoughness()
|
|
options:
|
|
- SAMPLER_FNC(TEX, UV): optional depending the target version of GLSL (texture2D(...) or texture(...))
|
|
license:
|
|
- Copyright (c) 2021 Patricio Gonzalez Vivo under Prosperity License - https://prosperitylicense.com/versions/3.0.0
|
|
- Copyright (c) 2021 Patricio Gonzalez Vivo under Patron License - https://lygia.xyz/license
|
|
*/
|
|
|
|
#ifndef FNC_MATERIAL_ROUGHNESS
|
|
#define FNC_MATERIAL_ROUGHNESS
|
|
|
|
#ifdef MATERIAL_ROUGHNESSMAP
|
|
uniform SAMPLER_TYPE MATERIAL_ROUGHNESSMAP;
|
|
#endif
|
|
|
|
#if defined(MATERIAL_ROUGHNESSMETALLICMAP) && !defined(MATERIAL_ROUGHNESSMETALLICMAP_UNIFORM)
|
|
#define MATERIAL_ROUGHNESSMETALLICMAP_UNIFORM
|
|
uniform SAMPLER_TYPE MATERIAL_ROUGHNESSMETALLICMAP;
|
|
#endif
|
|
|
|
#if defined(MATERIAL_OCCLUSIONROUGHNESSMETALLICMAP) && !defined(MATERIAL_OCCLUSIONROUGHNESSMETALLICMAP_UNIFORM)
|
|
#define MATERIAL_OCCLUSIONROUGHNESSMETALLICMAP_UNIFORM
|
|
uniform SAMPLER_TYPE MATERIAL_OCCLUSIONROUGHNESSMETALLICMAP;
|
|
#endif
|
|
|
|
float materialRoughness() {
|
|
float roughness = 0.05;
|
|
|
|
#if defined(MATERIAL_ROUGHNESSMAP) && defined(MODEL_VERTEX_TEXCOORD)
|
|
float2 uv = v_texcoord.xy;
|
|
#if defined(MATERIAL_ROUGHNESSMAP_OFFSET)
|
|
uv += (MATERIAL_ROUGHNESSMAP_OFFSET).xy;
|
|
#endif
|
|
#if defined(MATERIAL_ROUGHNESSMAP_SCALE)
|
|
uv *= (MATERIAL_ROUGHNESSMAP_SCALE).xy;
|
|
#endif
|
|
roughness = max(roughness, SAMPLER_FNC(MATERIAL_ROUGHNESSMAP, uv).g);
|
|
|
|
#elif defined(MATERIAL_ROUGHNESSMETALLICMAP) && defined(MODEL_VERTEX_TEXCOORD)
|
|
float2 uv = v_texcoord.xy;
|
|
roughness = max(roughness, SAMPLER_FNC(MATERIAL_ROUGHNESSMETALLICMAP, uv).g);
|
|
|
|
#elif defined(MATERIAL_OCCLUSIONROUGHNESSMETALLICMAP) && defined(MODEL_VERTEX_TEXCOORD)
|
|
float2 uv = v_texcoord.xy;
|
|
roughness = max(roughness, SAMPLER_FNC(MATERIAL_OCCLUSIONROUGHNESSMETALLICMAP, uv).g);
|
|
|
|
#elif defined(MATERIAL_ROUGHNESS)
|
|
roughness = MATERIAL_ROUGHNESS;
|
|
|
|
#endif
|
|
|
|
return roughness;
|
|
}
|
|
|
|
#endif |