Some renaming

betterRenderer/shaders/manul/gbuffer_ssao.hlsli

@@ -0,0 +1,27 @@
+#ifndef GBUFFER_SSAO_HLSLI
+#define GBUFFER_SSAO_HLSLI
+Texture2D<float> g_SSAO : register(t5);
+
+float4 R8G8B8A8_UNORM_to_FLOAT4( uint packedInput )
+{
+    float4 unpackedOutput;
+    unpackedOutput.x = (float)( packedInput & 0x000000ff ) / 255;
+    unpackedOutput.y = (float)( ( ( packedInput >> 8 ) & 0x000000ff ) ) / 255;
+    unpackedOutput.z = (float)( ( ( packedInput >> 16 ) & 0x000000ff ) ) / 255;
+    unpackedOutput.w = (float)( packedInput >> 24 ) / 255;
+    return unpackedOutput;
+}
+
+void DecodeVisibilityBentNormal( const uint packedValue, out float visibility, out float3 bentNormal )
+{
+    float4 decoded = R8G8B8A8_UNORM_to_FLOAT4( packedValue );
+    bentNormal = decoded.xyz * 2.0.xxx - 1.0.xxx;   // could normalize - don't want to since it's done so many times, better to do it at the final step only
+    visibility = decoded.w;
+}
+
+float GetSSAO(in uint2 pixel_position) {
+  return g_SSAO[pixel_position];
+}
+
+#endif
+