stk-code_catmod/data/shaders/objectref_pass1.frag
2014-11-21 02:44:27 +01:00

30 lines
611 B
GLSL

#ifdef GL_ARB_bindless_texture
layout(bindless_sampler) uniform sampler2D tex;
layout(bindless_sampler) uniform sampler2D glosstex;
#else
uniform sampler2D tex;
uniform sampler2D glosstex;
#endif
#if __VERSION__ >= 130
in vec3 nor;
in vec2 uv;
out vec3 EncodedNormal;
#else
varying vec3 nor;
varying vec2 uv;
#define EncodedNormal gl_FragColor.xy
#endif
vec2 EncodeNormal(vec3 n);
void main() {
vec4 col = texture(tex, uv);
if (col.a < 0.5)
discard;
float glossmap = texture(glosstex, uv).x;
EncodedNormal.xy = 0.5 * EncodeNormal(normalize(nor)) + 0.5;
EncodedNormal.z = exp2(20. * glossmap + 1.);
}