// MinecraftPT — Dof_FS
// Depth of field with circle of confusion bokeh.

#include "/Lib/Settings.glsl"
#include "/Lib/Utilities.glsl"
#include "/Lib/IndividualFunctions/DOF.glsl"

uniform sampler2D colortex12;

layout(location = 0) out vec4 colorOut;

void main(){
	vec2 texelCoord = gl_FragCoord.xy;

	vec3 color = texelFetch(colortex12, ivec2(texelCoord), 0).rgb;

	#ifdef DOF
		if (DOF > 0){
			float depth = texelFetch(depthtex0, ivec2(texelCoord), 0).r;

			// Focal distance (from center depth or manual)
			float focalDepth = CAMERA_FOCAL_POINT;
			#ifdef CAMERA_FOCUS_MODE
				if (CAMERA_FOCUS_MODE == 1){
					vec2 center = screenSize * 0.5;
					focalDepth = texelFetch(depthtex0, ivec2(center), 0).r;
				}
			#endif

			float coc = GetCoC(depth, focalDepth);

			#ifdef DISABLE_HAND_DOF
				// Skip hand (close depth)
				if (depth < 0.1) coc = 0.0;
			#endif

			if (coc > 0.5){
				color = DofBlur(texelCoord, coc);
			}
		}
	#endif

	colorOut = vec4(color, 1.0);
}