stk-code_catmod/data/shaders/object_pass1.frag
2014-11-22 02:03:20 +01:00

24 lines
452 B
GLSL

#ifdef GL_ARB_bindless_texture
layout(bindless_sampler) uniform sampler2D tex;
#else
uniform sampler2D tex;
#endif
#if __VERSION__ >= 130
in vec3 nor;
in vec2 uv;
out vec3 EncodedNormal;
#else
varying vec3 nor;
#define EncodedNormal gl_FragColor.xy
#endif
vec2 EncodeNormal(vec3 n);
void main(void)
{
float glossmap = texture(tex, uv).x;
EncodedNormal.xy = 0.5 * EncodeNormal(normalize(nor)) + 0.5;
EncodedNormal.z = exp2(10. * glossmap + 1.);
}