34 lines
816 B
GLSL
34 lines
816 B
GLSL
#version 330 core
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layout(location = 0) in vec4 pos;
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layout(location = 1) in vec3 normal;
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layout(location = 3) in vec4 multitexcoord0;
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layout(location = 6) in vec3 tangent;
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layout(location = 7) in vec3 binormal;
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out vec2 texcoord;
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out mat3 TBN;
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uniform int normalmap_enabled;
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uniform mat4 osg_ModelViewProjectionMatrix;
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uniform mat3 osg_NormalMatrix;
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void main()
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{
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gl_Position = osg_ModelViewProjectionMatrix * pos;
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texcoord = multitexcoord0.st;
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vec3 N = normalize(normal);
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vec3 T, B;
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if (normalmap_enabled > 0) {
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T = tangent;
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B = binormal;
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} else {
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T = cross(N, vec3(1.0, 0.0, 0.0));
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B = cross(N, T);
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}
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TBN = mat3(normalize(osg_NormalMatrix * T),
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normalize(osg_NormalMatrix * B),
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normalize(osg_NormalMatrix * N));
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}
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