Sha256: 24e52bc7d163887ff587766424e80a708f5df83467ea72a5407db959bd243db8
Contents?: true
Size: 929 Bytes
Versions: 11
Compression:
Stored size: 929 Bytes
Contents
#version 110
// Bloom filter
// http://myheroics.wordpress.com/2008/09/04/glsl-bloom-shader/
//
// Spooner: Added uniforms for setting bloom intensity.
uniform sampler2D in_Texture; // Original in_Texture.
varying vec2 var_TexCoord; // Pixel to process on this pass
uniform float in_GlareSize; // 0.004 is good
uniform float in_Power; // 0.25 is good
void main()
{
vec4 sum = vec4(0);
int i, j;
for(i = -4; i < 4; i++)
{
for (j = -3; j < 3; j++)
{
sum += texture2D(in_Texture, var_TexCoord + vec2(j, i) * in_GlareSize) * in_Power;
}
}
vec4 base_color = texture2D(in_Texture, var_TexCoord);
if (base_color.r < 0.3)
{
gl_FragColor = sum * sum * 0.012 + base_color;
}
else if(base_color.r < 0.5)
{
gl_FragColor = sum * sum * 0.009 + base_color;
}
else
{
gl_FragColor = sum * sum * 0.0075 + base_color;
}
}
Version data entries
11 entries across 11 versions & 2 rubygems