91 lines
1.4 KiB
GLSL
91 lines
1.4 KiB
GLSL
#version 450
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#ifdef GL_ES
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precision mediump float;
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#endif
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#ifdef _NMTex
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#define _AMTex
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#endif
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#ifdef _AMTex
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uniform sampler2D salbedo;
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#endif
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#ifdef _NMTex
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uniform sampler2D snormal;
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#endif
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#ifdef _OMTex
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uniform sampler2D som;
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#endif
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#ifdef _RMTex
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uniform sampler2D srm;
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#else
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uniform float roughness;
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#endif
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#ifdef _MMTex
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uniform sampler2D smm;
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#else
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uniform float metalness;
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#endif
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in vec3 position;
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in vec4 mvpposition;
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#ifdef _AMTex
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in vec2 texCoord;
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#endif
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in vec4 lPos;
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in vec4 matColor;
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in vec3 lightDir;
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in vec3 eyeDir;
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#ifdef _NMTex
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in mat3 TBN;
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#else
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in vec3 normal;
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// in vec3 vnormal;
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#endif
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void main() {
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#ifdef _NMTex
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vec3 n = (texture(snormal, texCoord).rgb * 2.0 - 1.0);
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n = normalize(TBN * normalize(n));
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#else
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vec3 n = normalize(normal);
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// vec3 vn = normalize(vnormal);
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#endif
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#ifdef _AMTex
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vec4 texel = texture(salbedo, texCoord);
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#ifdef _AlphaTest
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if(texel.a < 0.4)
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discard;
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#endif
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vec3 baseColor = texel.rgb;
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#else
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vec3 baseColor = matColor.rgb;
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#endif
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#ifdef _MMTex
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float metalness = texture(smm, texCoord).r;
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#endif
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#ifdef _RMTex
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float roughness = texture(srm, texCoord).r;
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#endif
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#ifdef _OMTex
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float occlusion = texture(som, texCoord).r;
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#else
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float occlusion = 1.0;
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#endif
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float depth = mvpposition.z / mvpposition.w;
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// occlusion
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gl_FragData[0] = vec4(n.xyz, depth);
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gl_FragData[1] = vec4(position.xyz, roughness);
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gl_FragData[2] = vec4(baseColor.rgb, metalness);
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// gl_FragData[3] = vec4(vn.rgb, 1.0);
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}
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