init

gamedata/shaders/d3d11/fluid_raydata_back.ps.hlsl

@@ -0,0 +1,13 @@
+#include "fluid_common_render.hlsli"
+
+void main(PS_INPUT_RAYDATA_BACK input, out float4 output : SV_Target)
+{
+    float sceneZ = sceneDepthTex.SampleLevel(samLinearClamp, float2(input.pos.x / RTWidth, input.pos.y / RTHeight), 0).x;
+	sceneZ = DepthUnpack.x * rcp(sceneZ - DepthUnpack.y);
+
+    // This value will only remain if no fragments get blended on top in the next pass (front-faces)
+    // which would happen if the front faces of the box get clipped by the near plane of the camera
+	
+    output.xyz = NEARCLIPPED_PIXEL_RAYPOS;
+    output.w = min(input.depth, sceneZ);
+}