diff --git a/hqflt/cg/2xSaI.cg b/hqflt/cg/2xSaI.cg
new file mode 100644
index 0000000000..158adaa687
--- /dev/null
+++ b/hqflt/cg/2xSaI.cg
@@ -0,0 +1,94 @@
+/*
+
+   Copyright (C) 2007 guest(r) - guest.r@gmail.com
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+/*
+
+   The 2xSaL shader processes a gfx. surface and redraws it 2x finer.
+   
+   A linear post-resize can fit the image to any resolution.
+
+   Note: set scaler to normal2x.
+
+*/
+
+/* Default Vertex shader */
+void main_vertex
+(
+ float4 position	: POSITION,
+ float4 color	: COLOR,
+ float2 texCoord : TEXCOORD0,
+
+ uniform float4x4 modelViewProj,
+
+ out float4 oPosition : POSITION,
+ out float4 oColor    : COLOR,
+ out float2 otexCoord : TEXCOORD
+ )
+{
+   oPosition = mul(modelViewProj, position);
+   oColor = color;
+   otexCoord = texCoord;
+}
+
+struct output
+{
+   float4 color : COLOR;
+};
+
+struct input
+{
+  float2 video_size;
+  float2 texture_size;
+  float2 output_size;
+};
+
+struct deltas
+{
+   float2 UL, UR, DL, DR;
+};
+
+
+output main_fragment (float2 tex : TEXCOORD0, uniform input IN, uniform sampler2D s_p : TEXUNIT0)
+{
+   float2 texsize = IN.texture_size;
+   float dx = 1.0/texsize.x * 0.25;
+   float dy = 1.0/texsize.y * 0.25;
+   float3 dt = float3(1.0, 1.0, 1.0);
+
+   deltas VAR = { 
+      tex + float2(-dx, -dy),
+      tex + float2(dx, -dy),
+      tex + float2(-dx, dy),
+      tex + float2(dx, dy)
+   };
+
+   float3 c00 = tex2D(s_p, VAR.UL).xyz;
+   float3 c20 = tex2D(s_p, VAR.UR).xyz;
+   float3 c02 = tex2D(s_p, VAR.DL).xyz;
+   float3 c22 = tex2D(s_p, VAR.DR).xyz;
+
+   float m1=dot(abs(c00-c22),dt)+0.001;
+   float m2=dot(abs(c02-c20),dt)+0.001;
+
+   output OUT;
+   OUT.color = float4((m1*(c02+c20)+m2*(c22+c00))/(2.0*(m1+m2)),1.0);
+   return OUT;
+}
+