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14 lines
473 B
Metal
Executable File
14 lines
473 B
Metal
Executable File
void mx_normalmap_vector2(vec3 value, vec2 normal_scale, vec3 N, vec3 T, vec3 B, out vec3 result)
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{
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value = all(value == vec3(0.0)) ? vec3(0.0, 0.0, 1.0) : value * 2.0 - 1.0;
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value = T * value.x * normal_scale.x + B * value.y * normal_scale.y + N * value.z;
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result = normalize(value);
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}
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void mx_normalmap_float(vec3 value, float normal_scale, vec3 N, vec3 T, vec3 B, out vec3 result)
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{
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mx_normalmap_vector2(value, vec2(normal_scale), N, T, B, result);
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}
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