From 5cc0ce4758e20ba48f2d8756495331388d568da8 Mon Sep 17 00:00:00 2001
From: Lynix <lynix680@gmail.com>
Date: Tue, 12 Mar 2013 23:32:14 +0100
Subject: [PATCH] Fixed shader bug with old hardware

Former-commit-id: c1d70b72de7a469b6cf29268d4351ee257dbae5b
---
 src/Nazara/Renderer/ShaderBuilder.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/Nazara/Renderer/ShaderBuilder.cpp b/src/Nazara/Renderer/ShaderBuilder.cpp
index 9ee93fe5f..9d6f39a7d 100644
--- a/src/Nazara/Renderer/ShaderBuilder.cpp
+++ b/src/Nazara/Renderer/ShaderBuilder.cpp
@@ -361,9 +361,19 @@ namespace
 		if (flags & nzShaderFlags_Lighting)
 		{
 			if (flags & nzShaderFlags_Instancing)
-				sourceCode += "mat3 rotationMatrix = mat3(InstanceMatrix);\n";
+			{
+				if (glsl140)
+					sourceCode += "mat3 rotationMatrix = mat3(InstanceMatrix);\n";
+				else
+					sourceCode += "mat3 rotationMatrix = mat3(InstanceMatrix[0], InstanceMatrix[1], InstanceMatrix[2]);\n";
+			}
 			else
-				sourceCode += "mat3 rotationMatrix = mat3(WorldMatrix);\n";
+			{
+				if (glsl140)
+					sourceCode += "mat3 rotationMatrix = mat3(WorldMatrix);\n";
+				else
+					sourceCode += "mat3 rotationMatrix = mat3(WorldMatrix[0], WorldMatrix[1], WorldMatrix[2]);\n";
+			}
 
 			if (flags & nzShaderFlags_NormalMapping)
 			{