re3/src/extras/shaders/contrast.frag

20 lines
319 B
GLSL

uniform sampler2D tex0;
uniform vec3 u_contrastAdd;
uniform vec3 u_contrastMult;
FSIN vec4 v_color;
FSIN vec2 v_tex0;
FSIN float v_fog;
void
main(void)
{
vec4 dst = texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y));
vec4 color;
color.rgb = dst.rgb*u_contrastMult + u_contrastAdd;
color.a = 1.0f;
FRAGCOLOR(color);
}