init

gamedata/shaders/r2/depth_downs.ps.hlsl

@@ -0,0 +1,34 @@
+#include "common.hlsli"
+
+uniform float4 screen_res;
+
+float4 main(float2 tc : TEXCOORD0) : COLOR
+{
+#if SSAO_OPT_DATA == 2
+    // FIXME: Should add a float-texel offset to I.tc0 here
+    // This would fix horizontal line issue
+    float4 P0 = tex2D(s_position, tc + 0.5f * screen_res.zw); // position.(mtl or sun)
+    float4 P1 = tex2D(s_position, tc - 0.5f * screen_res.zw); // position.(mtl or sun)
+    float4 P2 = tex2D(s_position, tc + 0.5f * float2(screen_res.z, -screen_res.w)); // position.(mtl or sun)
+    float4 P3 = tex2D(s_position, tc + 0.5f * float2(-screen_res.z, screen_res.w)); // position.(mtl or sun)
+
+    float4 P = P0;
+
+    if (P1.z < P.z)
+    {
+        P = P1;
+    }
+    if (P2.z < P.z)
+    {
+        P = P2;
+    }
+    if (P3.z < P.z)
+    {
+        P = P3;
+    }
+
+    return float4(P.zzzz);
+#else
+    return tex2D(s_position, tc - 0.5f * screen_res.zw).zzzz;
+#endif
+}