re3/src/extras/shaders/neoGloss.frag

27 lines
433 B
GLSL

uniform sampler2D tex0;
uniform vec4 u_reflProps;
#define glossMult (u_reflProps.x)
in vec3 v_normal;
in vec3 v_light;
in vec2 v_tex0;
in float v_fog;
out vec4 color;
void
main(void)
{
color = texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y));
vec3 n = 2.0*v_normal-1.0; // unpack
vec3 v = 2.0*v_light-1.0; //
float s = dot(n, v);
color = s*s*s*s*s*s*s*s*color*v_fog*glossMult;
DoAlphaTest(color.a);
}