1 files changed, 1 insertions, 1 deletions
diff --git a/src/util/mini_math.h b/src/util/mini_math.h
index 29dc38f..0aa66a3 100644
--- a/src/util/mini_math.h
+++ b/src/util/mini_math.h
@@ -229,7 +229,7 @@ struct mat4 {
     mat4 r = {};
     float t = 1.0f / std::tan(fov * 0.5f);
     r.m[0] = t / asp;
-    r.m[5] = t;
+    r.m[5] = -t;  // Negate Y: post-process chain samples textures Y-flipped
     r.m[10] = f / (n - f);
     r.m[11] = -1;
     r.m[14] = (n * f) / (n - f);