Solara-Shaders/shaders/lib/util/jitter.glsl
2024-06-22 15:15:55 -04:00

27 lines
715 B
GLSL

//Jitter offset from Chocapic13
uniform float framemod8;
uniform float framemod2;
vec2 jitterOffsets8[8] = vec2[8](
vec2( 0.125,-0.375),
vec2(-0.125, 0.375),
vec2( 0.625, 0.125),
vec2( 0.375,-0.625),
vec2(-0.625, 0.625),
vec2(-0.875,-0.125),
vec2( 0.375,-0.875),
vec2( 0.875, 0.875)
);
vec2 jitterOffsets2[2] = vec2[2](
vec2( 1.0, 0.0),
vec2( 0.0, 1.0)
);
vec2 TAAJitter(vec2 coord, float w) {
#if TAA_MODE == 0
vec2 offset = jitterOffsets8[int(framemod8)] * (w / vec2(viewWidth, viewHeight));
#else
vec2 offset = jitterOffsets2[int(framemod2)] * (w / vec2(viewWidth, viewHeight));
#endif
return coord + offset;
}