From dad209400d4e5d39076d949364f598b854c7a5d7 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 12 Jul 2019 01:22:02 +0300
Subject: [PATCH] Add feature check for array texture samplers

---
 source/programcompiler.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/source/programcompiler.cpp b/source/programcompiler.cpp
index 00d217a0..989098d7 100644
--- a/source/programcompiler.cpp
+++ b/source/programcompiler.cpp
@@ -4,6 +4,7 @@
 #include <msp/gl/extensions/arb_gpu_shader5.h>
 #include <msp/gl/extensions/arb_uniform_buffer_object.h>
 #include <msp/gl/extensions/ext_gpu_shader4.h>
+#include <msp/gl/extensions/ext_texture_array.h>
 #include <msp/strings/format.h>
 #include <msp/strings/regex.h>
 #include <msp/strings/utils.h>
@@ -1954,6 +1955,26 @@ void ProgramCompiler::LegacyConverter::visit(FunctionCall &call)
 				call.name = "shadow1D";
 			else if(type=="sampler2DShadow")
 				call.name = "shadow2D";
+			else if(type=="sampler1DArray")
+			{
+				check_extension(EXT_texture_array);
+				call.name = "texture1DArray";
+			}
+			else if(type=="sampler2DArray")
+			{
+				check_extension(EXT_texture_array);
+				call.name = "texture2DArray";
+			}
+			else if(type=="sampler1DArrayShadow")
+			{
+				check_extension(EXT_texture_array);
+				call.name = "shadow1DArray";
+			}
+			else if(type=="sampler2DArrayShadow")
+			{
+				check_extension(EXT_texture_array);
+				call.name = "shadow2DArray";
+			}
 
 			for(; i!=call.arguments.end(); ++i)
 				(*i)->visit(*this);
-- 
2.43.0