From 3085aaf924a388f54fc6357cdab5bf4372194b77 Mon Sep 17 00:00:00 2001
From: Chaosus <chaosus89@gmail.com>
Date: Fri, 6 Mar 2026 22:11:18 +0300
Subject: [PATCH] Restrict `textureGather` shader function in Compatibility
 mode

---
 servers/rendering/shader_language.cpp | 28 +++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index a4c7ec1111..277c7a7d97 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -3313,20 +3313,20 @@ const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = {
 
 	// textureGather
 
-	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, false },
-	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, false },
+	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_VOID }, { "sampler", "coords" }, TAG_GLOBAL, true },
+	{ "textureGather", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_INT, TYPE_VOID }, { "sampler", "coords", "comp" }, TAG_GLOBAL, true },
 
 	// textureQueryLod