add game&rawdata

gamedata/shaders/r1/avg4.ps.hlsl

@@ -0,0 +1,26 @@
+#include "common.hlsli"
+
+struct v2p
+{
+    float2 tc0 : TEXCOORD0; // base
+    float2 tc1 : TEXCOORD1; // base
+    float2 tc2 : TEXCOORD2; // base
+    float2 tc3 : TEXCOORD3; // base
+};
+
+uniform sampler2D s_base0;
+uniform sampler2D s_base1;
+uniform sampler2D s_base2;
+uniform sampler2D s_base3;
+
+// Pixel
+float4 main(v2p I) : COLOR
+{
+    float4 t_0 = tex2D(s_base0, I.tc0);
+    float4 t_1 = tex2D(s_base1, I.tc1);
+    float4 t_2 = tex2D(s_base2, I.tc2);
+    float4 t_3 = tex2D(s_base3, I.tc3);
+
+    // out
+    return ((t_0 + t_1) * .5 + (t_2 + t_3) * .5) * .5;
+}