forked from joejulian/gio
Elias Naur
c9a8265126
We're about to change the last stage of the compute pipeline to only accept images, not sampled textures. This change prepares materials for pixel-aligned image copying by pre-rendering images to a texture, applying transforms. Signed-off-by: Elias Naur <mail@eliasnaur.com>
25 lines
531 B
GLSL
25 lines
531 B
GLSL
#version 310 es
|
|
|
|
// SPDX-License-Identifier: Unlicense OR MIT
|
|
|
|
precision mediump float;
|
|
|
|
layout(binding = 0) uniform sampler2D tex;
|
|
|
|
layout(location = 0) in vec2 vUV;
|
|
|
|
layout(location = 0) out vec4 fragColor;
|
|
|
|
vec3 RGBtosRGB(vec3 rgb) {
|
|
bvec3 cutoff = greaterThanEqual(rgb, vec3(0.0031308));
|
|
vec3 below = vec3(12.92)*rgb;
|
|
vec3 above = vec3(1.055)*pow(rgb, vec3(0.41666)) - vec3(0.055);
|
|
return mix(below, above, cutoff);
|
|
}
|
|
|
|
void main() {
|
|
vec4 texel = texture(tex, vUV);
|
|
texel.rgb = RGBtosRGB(texel.rgb);
|
|
fragColor = texel;
|
|
}
|