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https://github.com/boxpositron/absolute-dotfiles.git
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f7bd72184b
feat(shaders): add CRT-styled shader with public domain license and adjustments for Ghostty, including parameter definitions and tonal control functions. refactor(shader): optimize color conversion and output to SRGB for better visual quality feat(shaders): add flicker, glow, and starfield shader effects for terminal ambiance.
23 lines
635 B
GLSL
23 lines
635 B
GLSL
// https://github.com/12jihan/ghostty_shaders/blob/main/glow.glsl
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void mainImage(out vec4 fragColor, in vec2 fragCoord) {
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vec2 uv = fragCoord/iResolution.xy;
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// Base color from terminal
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vec3 color = texture(iChannel0, uv).rgb;
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// Add bloom/glow
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float bloom = 0.05;
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vec3 glow = vec3(0.0);
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for(float i = 0.0; i < 4.0; i++) {
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vec2 offset = vec2(i) / iResolution.xy;
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glow += texture(iChannel0, uv + offset).rgb;
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glow += texture(iChannel0, uv - offset).rgb;
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}
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// Combine glow with original color
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color += glow * bloom;
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fragColor = vec4(color, 1.0);
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}
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