custommods

.minecraft/shaderpacks/ComplementaryShaders_v4.6/shaders/lib/util/reprojection.glsl

@@ -0,0 +1,16 @@
+//Previous frame reprojection from Chocapic13
+vec2 Reprojection(vec3 pos) {
+	pos = pos * 2.0 - 1.0;
+
+	vec4 viewPosPrev = gbufferProjectionInverse * vec4(pos, 1.0);
+	viewPosPrev /= viewPosPrev.w;
+	viewPosPrev = gbufferModelViewInverse * viewPosPrev;
+
+	vec3 cameraOffset = cameraPosition - previousCameraPosition;
+	cameraOffset *= float(pos.z > 0.56);
+
+	vec4 previousPosition = viewPosPrev + vec4(cameraOffset, 0.0);
+	previousPosition = gbufferPreviousModelView * previousPosition;
+	previousPosition = gbufferPreviousProjection * previousPosition;
+	return previousPosition.xy / previousPosition.w * 0.5 + 0.5;
+}