31 lines
420 B
GLSL
31 lines
420 B
GLSL
#version 130
|
|
uniform sampler2D tex;
|
|
uniform sampler2D dtex;
|
|
|
|
uniform int viz;
|
|
|
|
in vec2 uv;
|
|
out vec4 FragColor;
|
|
|
|
void main()
|
|
{
|
|
vec2 tc = uv;
|
|
|
|
vec4 shiftval = texture(dtex, tc) / vec4(50.0);
|
|
vec2 shift;
|
|
shift.x = -shiftval.x + shiftval.y;
|
|
shift.y = -shiftval.z + shiftval.w;
|
|
|
|
tc += shift;
|
|
|
|
vec4 newcol = texture(tex, tc);
|
|
|
|
if (viz < 1)
|
|
{
|
|
FragColor = newcol;
|
|
} else
|
|
{
|
|
FragColor = shiftval * vec4(50.0);
|
|
}
|
|
}
|