From 847962910f0bff071f3bf07c9abb87764fb6cac3 Mon Sep 17 00:00:00 2001
From: claude-bot <claude@ancap.in.ua>
Date: Mon, 13 Jul 2026 12:40:03 +0000
Subject: Import aap/librw @ master

Snapshot for re3/reVC vendoring, per @lzcnt.
Source: https://github.com/aap/librw (master).
---
 src/gl/shaders/header_fs.inc | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 src/gl/shaders/header_fs.inc

(limited to 'src/gl/shaders/header_fs.inc')

diff --git a/src/gl/shaders/header_fs.inc b/src/gl/shaders/header_fs.inc
new file mode 100644
index 0000000..802bb4f
--- /dev/null
+++ b/src/gl/shaders/header_fs.inc
@@ -0,0 +1,32 @@
+const char *header_frag_src =
+"#ifdef USE_UBOS\n"
+"layout(std140) uniform State\n"
+"{\n"
+"	vec2 u_alphaRef;\n"
+"	vec4  u_fogData;\n"
+"	vec4  u_fogColor;\n"
+"};\n"
+"#else\n"
+"uniform vec4 u_alphaRef;\n"
+
+"uniform vec4  u_fogData;\n"
+"uniform vec4  u_fogColor;\n"
+"#endif\n"
+
+"#define u_fogStart (u_fogData.x)\n"
+"#define u_fogEnd (u_fogData.y)\n"
+"#define u_fogRange (u_fogData.z)\n"
+"#define u_fogDisable (u_fogData.w)\n"
+
+"#ifndef GL2\n"
+"out vec4 fragColor;\n"
+"#endif\n"
+
+"void DoAlphaTest(float a)\n"
+"{\n"
+"#ifndef NO_ALPHATEST\n"
+"	if(a < u_alphaRef.x || a >= u_alphaRef.y)\n"
+"		discard;\n"
+"#endif\n"
+"}\n"
+;
-- 
cgit v1.2.3