raylib/shaders/gl330/bloom.fs
raysan5 b1a90a7f91 Added some useful postprocessing shaders
Shaders come in two flavours:
- shaders/gl330: OpenGL 3.3+ (Windows, Linux, OSX)
- shaders/gles100:  OpenGL ES 2.0 (Android, RPI, HTML5)
2015-09-02 02:44:16 +02:00

42 lines
820 B
GLSL

#version 330
in vec2 fragTexCoord;
out vec4 fragColor;
uniform sampler2D texture0;
uniform vec4 tintColor;
// NOTE: Add here your custom variables
void main()
{
vec4 sum = vec4(0);
vec4 tc = vec4(0);
for (int i = -4; i < 4; i++)
{
for (int j = -3; j < 3; j++)
{
sum += texture2D(texture0, fragTexCoord + vec2(j, i)*0.004) * 0.25;
}
}
if (texture2D(texture0, fragTexCoord).r < 0.3)
{
tc = sum*sum*0.012 + texture2D(texture0, fragTexCoord);
}
else
{
if (texture2D(texture0, fragTexCoord).r < 0.5)
{
tc = sum*sum*0.009 + texture2D(texture0, fragTexCoord);
}
else
{
tc = sum*sum*0.0075 + texture2D(texture0, fragTexCoord);
}
}
fragColor = tc;
}