init

assets/shaders/dof_prep.frag

@@ -0,0 +1,15 @@
+#version 450 core
+#include "common.glsl"
+#include "dof_common.glsl"
+// Half-res: downsampled color + signed circle of confusion (near < 0 < far).
+
+in vec2 vUV;
+layout(binding = 0) uniform sampler2D uColor;
+layout(binding = 1) uniform sampler2D uDepth;
+layout(location = 0) out vec4 fragColor;
+
+void main() {
+    vec3 c = texture(uColor, vUV).rgb;  // bilinear = 2x2 box at half res
+    float coc = cocFromDepth(linearDepth(texture(uDepth, vUV).r), vUV);
+    fragColor = vec4(c, coc);
+}