From bdda16e04bbe99b21958678033ff8a01f579c625 Mon Sep 17 00:00:00 2001
From: Nanako <469449812@qq.com>
Date: Fri, 22 Nov 2024 10:35:41 +0800
Subject: [PATCH] =?UTF-8?q?=E6=BC=8F=E6=8F=90=E4=BA=A4?=
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---
 src/renderer/shader/aorii_util.slang | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 src/renderer/shader/aorii_util.slang

diff --git a/src/renderer/shader/aorii_util.slang b/src/renderer/shader/aorii_util.slang
new file mode 100644
index 0000000..4606dde
--- /dev/null
+++ b/src/renderer/shader/aorii_util.slang
@@ -0,0 +1,8 @@
+
+// 将uv坐标系移动到[-1, -1] ~ [1, 1]
+float2 uv_to_ndc(float2 uv) {
+#ifdef UV_FLIP
+    uv.y = 1.0 - uv.y;
+#endif
+    return uv * 2.0 - 1.0;
+}