Initial commit: Minecraft 光追着色器包（从零实现的 path tracing）

2026-09-19 12:06:22 +08:00
commit 59e30822f8
314 changed files with 9259 additions and 0 deletions
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+// 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);
+}