Files
doomer/shaders/fragment.glsl
2025-04-07 22:37:52 +02:00

27 lines
676 B
GLSL

#version 130
out mediump vec4 color;
in mediump vec2 texcoord;
uniform sampler2D tex;
uniform vec2 cursorPos;
uniform vec2 windowSize;
uniform vec2 screenshotSize;
uniform float flShadow;
uniform float flRadius;
uniform float cameraScale;
uniform bool gridEnabled;
void main()
{
vec4 cursor = vec4(cursorPos.x, windowSize.y - cursorPos.y, 0.0, 1.0);
color = mix(
texture(tex, texcoord), vec4(0.0, 0.0, 0.0, 0.0),
length(cursor - gl_FragCoord) < (flRadius * cameraScale) ? 0.0 : flShadow);
if(gridEnabled){
vec2 uv = texcoord * screenshotSize;
if(fract(uv.x) < 0.04f || fract(uv.y) < 0.04f)
color = vec4(0.0);
}
}