init

gamedata/shaders/d3d11/clouds.vs.hlsl

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+#include "common.hlsli"
+#include "shared\cloudconfig.hlsli"
+
+struct vi
+{
+    float4 p : POSITION;
+    float4 dir : COLOR0; // dir0,dir1(w<->z)
+    float4 color : COLOR1; // rgb. intensity
+};
+
+struct vf
+{
+    float4 color : COLOR0; // rgb. intensity, for SM3 - tonemap-prescaled, HI-res
+    float2 tc0 : TEXCOORD0;
+    float2 tc1 : TEXCOORD1;
+    float4 hpos : SV_POSITION;
+};
+
+vf main(vi v)
+{
+    vf o;
+    o.hpos = mul(m_WVP, v.p); // xform, input in world coords
+    o.hpos.xy += m_taa_jitter.xy * o.hpos.w;
+
+    // generate tcs
+    float2 d0 = v.dir.xy * 2.0f - 1.0f;
+    float2 d1 = v.dir.wz * 2.0f - 1.0f;
+    float2 _0 = v.p.xz * CLOUD_TILE0 + d0 * timers.z * CLOUD_SPEED0;
+    float2 _1 = v.p.xz * CLOUD_TILE1 + d1 * timers.z * CLOUD_SPEED1;
+    o.tc0 = _0;
+    o.tc1 = _1;
+
+    o.color = v.color;
+    o.color.w *= pow(v.p.y, 25.0f);
+
+    return o;
+}