5899a26aad
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14590 178a84e3-b1eb-0310-8ba1-8eac791a3b58
27 lines
399 B
GLSL
27 lines
399 B
GLSL
uniform sampler2D tex;
|
|
uniform sampler2D dtex;
|
|
|
|
uniform int viz;
|
|
|
|
void main()
|
|
{
|
|
vec2 tc = gl_TexCoord[0].xy;
|
|
|
|
vec4 shiftval = texture2D(dtex, tc) / vec4(50.0);
|
|
vec2 shift;
|
|
shift.x = -shiftval.x + shiftval.y;
|
|
shift.y = -shiftval.z + shiftval.w;
|
|
|
|
tc += shift;
|
|
|
|
vec4 newcol = texture2D(tex, tc);
|
|
|
|
if (viz < 1)
|
|
{
|
|
gl_FragColor = newcol;
|
|
} else
|
|
{
|
|
gl_FragColor = shiftval * vec4(50.0);
|
|
}
|
|
}
|