stk-code_catmod/data/shaders/shadowpass.frag
2014-02-28 17:29:05 +01:00

38 lines
607 B
GLSL

uniform sampler2D tex;
uniform int hastex;
uniform int viz;
uniform int wireframe;
uniform float objectid;
in vec2 uv;
out vec4 FragColor;
vec4 encdepth(float v) {
vec4 enc = vec4(1.0, 255.0, 65025.0, 16581375.0) * v;
enc = fract(enc);
enc -= enc.yzww * vec4(1.0/255.0, 1.0/255.0, 1.0/255.0, 0.0);
return enc;
}
void main() {
if (hastex != 0) {
float alpha = texture(tex, uv).a;
if (alpha < 0.5)
discard;
}
if (viz < 1)
{
FragColor = vec4(encdepth(gl_FragCoord.z).xyz, objectid);
}
else {
if (wireframe > 0)
FragColor = vec4(1.0);
else
FragColor = texture(tex, uv);
}
}