From 59e2228b2a7bca89b7b98681515f33099b784270 Mon Sep 17 00:00:00 2001
From: Chris Forbes <chrisf@ijw.co.nz>
Date: Sat, 2 Oct 2010 07:40:02 +1300
Subject: [PATCH] shader fallback path for cg-2.1, which misinterprets 'latest'

---
 shaders/chrome-rgba.fx | 13 +++++++++++++
 shaders/chrome-shp.fx  | 12 ++++++++++++
 shaders/line.fx        | 14 ++++++++++++++
 shaders/world-shp.fx   | 13 +++++++++++++
 4 files changed, 52 insertions(+)

diff --git a/shaders/chrome-rgba.fx b/shaders/chrome-rgba.fx
index 119ebd4e75..4dad0637e8 100644
--- a/shaders/chrome-rgba.fx
+++ b/shaders/chrome-rgba.fx
@@ -48,3 +48,16 @@ technique high_quality {
 		BlendFunc = int2( SrcAlpha, OneMinusSrcAlpha );
 	}
 }
+
+technique high_quality_cg21 {
+	pass p0	{
+		BlendEnable = true;
+		DepthTestEnable = false;
+		CullFaceEnable = false;
+		VertexProgram = compile arbvp1 Simple_vp();
+		FragmentProgram = compile arbfp1 Simple_fp();
+		
+		BlendEquation = FuncAdd;
+		BlendFunc = int2( SrcAlpha, OneMinusSrcAlpha );
+	}
+}
\ No newline at end of file
diff --git a/shaders/chrome-shp.fx b/shaders/chrome-shp.fx
index 99d5cdb6b0..750d8c9a6c 100644
--- a/shaders/chrome-shp.fx
+++ b/shaders/chrome-shp.fx
@@ -66,3 +66,15 @@ technique low_quality {
 	}
 }
 
+technique low_quality_cg21 {
+	pass p0 {
+		BlendEnable = true;
+		DepthTestEnable = false;
+		CullFaceEnable = false;
+		VertexProgram = compile arbvp1 Simple_vp();
+		FragmentProgram = compile arbfp1 Palette_fp();
+
+		BlendEquation = FuncAdd;
+		BlendFunc = int2( SrcAlpha, OneMinusSrcAlpha );
+	}
+}
diff --git a/shaders/line.fx b/shaders/line.fx
index 1d547dcb1b..ea423ec30f 100644
--- a/shaders/line.fx
+++ b/shaders/line.fx
@@ -41,3 +41,17 @@ technique high_quality {
 		BlendFunc = int2( SrcAlpha, OneMinusSrcAlpha );
 	}
 }
+
+technique high_quality_cg21 {
+	pass p0	{
+		BlendEnable = true;
+		DepthTestEnable = false;
+		//CullMode = None;
+		//FillMode = Wireframe;
+		VertexProgram = compile arbvp1 Simple_vp();
+		FragmentProgram = compile arbfp1 Simple_fp();
+		
+		BlendEquation = FuncAdd;
+		BlendFunc = int2( SrcAlpha, OneMinusSrcAlpha );
+	}
+}
\ No newline at end of file
diff --git a/shaders/world-shp.fx b/shaders/world-shp.fx
index 14d67decfb..c5ba7ae69b 100644
--- a/shaders/world-shp.fx
+++ b/shaders/world-shp.fx
@@ -65,3 +65,16 @@ technique low_quality {
 		BlendFunc = int2( SrcAlpha, OneMinusSrcAlpha );
 	}
 }
+
+technique low_quality_cg21 {
+	pass p0 {
+		BlendEnable = true;
+		DepthTestEnable = false;
+		CullFaceEnable = false;
+		VertexProgram = compile arbvp1 Simple_vp();
+		FragmentProgram = compile arbfp1 Palette_fp();
+
+		BlendEquation = FuncAdd;
+		BlendFunc = int2( SrcAlpha, OneMinusSrcAlpha );
+	}
+}
\ No newline at end of file