From 1ecae6d33ae186d67eaee2cfa74dde9842d38cc1 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Tue, 24 Oct 2017 12:34:48 +0100
Subject: [PATCH] Improved the Text::_shaderTechnique default setting using
 OSG_TEXT_SHADER_TECHNIQUE env var, options are ALL_FEATURES, GREYSCALE,
 SIGNED_DISTANCE_FIELD, SDF, NO_TEXT_SHADER, NONE.

---
 src/osgText/Text.cpp | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/src/osgText/Text.cpp b/src/osgText/Text.cpp
index 12931ffaf..0bd1efade 100644
--- a/src/osgText/Text.cpp
+++ b/src/osgText/Text.cpp
@@ -48,19 +48,16 @@ Text::Text():
     _supportsVertexBufferObjects = true;
 
     char* ptr = 0;
-    if ((ptr = getenv("OSG_SDF_TEXT")) != 0)
+    if ((ptr = getenv("OSG_TEXT_SHADER_TECHNIQUE")) != 0)
     {
-        _shaderTechnique = ALL_FEATURES;
-    }
-    else if ((ptr = getenv("OSG_GREYSCALE_TEXT")) != 0)
-    {
-        _shaderTechnique = GREYSCALE;
-    }
-    else if ((ptr = getenv("OSG_NO_TEXT_SHADER")) != 0)
-    {
-        _shaderTechnique = NO_TEXT_SHADER;
+        if (strcmp(ptr,"ALL_FEATURES")==0) _shaderTechnique = ALL_FEATURES;
+        else if (strcmp(ptr,"GREYSCALE")==0) _shaderTechnique = GREYSCALE;
+        else if (strcmp(ptr,"SIGNED_DISTANCE_FIELD")==0 || strcmp(ptr,"SDF")==0) _shaderTechnique = SIGNED_DISTANCE_FIELD;
+        else if (strcmp(ptr,"NO_TEXT_SHADER")==0 || strcmp(ptr,"NONE")==0) _shaderTechnique = NO_TEXT_SHADER;
     }
 
+    OSG_NOTICE<<"Text::Text() "<<_shaderTechnique<<std::endl;
+
     assignStateSet();
 }