init

gamedata/shaders/d3d11/fluid_grid.vs.hlsl

@@ -0,0 +1,28 @@
+#include "fluid_common.hlsli"
+
+//	Vertex
+v2g_fluidsim main(v_fluidsim input)
+{
+    v2g_fluidsim output = (v2g_fluidsim)0;
+
+    output.pos = float4(input.position.x, input.position.y, input.position.z, 1.0);
+    output.cell0 = float3(input.textureCoords0.x, input.textureCoords0.y, input.textureCoords0.z);
+    output.texcoords = float3((input.textureCoords0.x) / (textureWidth),
+        (input.textureCoords0.y) / (textureHeight),
+        (input.textureCoords0.z + 0.5) / (textureDepth));
+
+    float x = output.texcoords.x;
+    float y = output.texcoords.y;
+    float z = output.texcoords.z;
+
+    // compute single texel offsets in each dimension
+    float invW = 1.0 / textureWidth;
+    float invH = 1.0 / textureHeight;
+    float invD = 1.0 / textureDepth;
+
+    output.LR = float2(x - invW, x + invW);
+    output.BT = float2(y - invH, y + invH);
+    output.DU = float2(z - invD, z + invD);
+
+    return output;
+}