mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-28 08:17:18 +00:00
28 lines
486 B
GLSL
28 lines
486 B
GLSL
#version 300 es
|
|
|
|
in highp vec2 uv;
|
|
out highp vec4 color;
|
|
|
|
uniform sampler2D sampler1;
|
|
|
|
uniform int nearest;
|
|
uniform highp vec2 size;
|
|
|
|
uniform int nv;
|
|
uniform highp float nvGain;
|
|
|
|
void main()
|
|
{
|
|
if(nearest == 1)
|
|
color = texture(sampler1, uv);
|
|
else
|
|
color = texelFetch(sampler1, ivec2(uv * size), 0);
|
|
|
|
if (nv == 1)
|
|
{
|
|
highp float lumi = 1.0 - (0.2126 * color.r + 0.7152 * color.g + 0.0722 * color.b);
|
|
color *= 1.0 + lumi;
|
|
color *= nvGain;
|
|
}
|
|
}
|