fa068d7810
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14919 178a84e3-b1eb-0310-8ba1-8eac791a3b58
27 lines
432 B
GLSL
27 lines
432 B
GLSL
#version 130
|
|
uniform sampler2D tex;
|
|
uniform sampler2D oldtex;
|
|
uniform vec2 pixel;
|
|
uniform vec2 multi;
|
|
uniform int size;
|
|
|
|
void main()
|
|
{
|
|
float res = 0.0;
|
|
vec2 tc = gl_TexCoord[0].xy;
|
|
// tc.y = 1.0 - tc.y;
|
|
tc *= multi;
|
|
|
|
for (int i = 0; i < size; i++)
|
|
{
|
|
float col = texture2D(tex, tc).x;
|
|
res = max(col, res);
|
|
|
|
tc += pixel;
|
|
}
|
|
|
|
float old = texture2D(oldtex, gl_TexCoord[0].xy).x;
|
|
|
|
gl_FragColor = vec4(mix(old, res, 0.7));
|
|
}
|