initial

materialsystem/stdshaders/bik_vs20.fxc

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+#include "common_fog_vs_fxc.h"
+#include "common_vs_fxc.h"
+ 
+static const int  g_FogType			= DOWATERFOG;
+
+struct VS_INPUT
+{
+	float4 vPos				: POSITION;
+	float4 vTexCoord0		: TEXCOORD0;
+	float4 colorAlpha		: COLOR;					// Used only for vertex alpha currently.
+};
+
+struct VS_OUTPUT
+{
+    float4 projPos					: POSITION;			// Projection-space position	
+#if !defined( _X360 ) && !defined( SHADER_MODEL_VS_3_0 )
+	float  fog						: FOG;
+#endif
+	float2 baseTexCoord				: TEXCOORD0;		// Base texture coordinate
+	float4 worldPos_projPosZ		: TEXCOORD1;		// Necessary for water fog dest alpha
+	float flAlpha					: TEXCOORD2;		
+};
+
+VS_OUTPUT main( const VS_INPUT v )
+{
+	VS_OUTPUT o = ( VS_OUTPUT )0;
+
+	float4 projPos;
+	float3 worldPos;
+
+	// Need to use SkinPosition() to guarantee consistency with other shaders on X360. 
+	// The function uses [isolate] properly and simply does a mul4x3 if skinning is set to 'false'.
+	SkinPosition( false, float4( v.vPos.xyz, 1 ), 0, 0, worldPos );
+	projPos = mul( float4( worldPos, 1 ), cViewProj );
+
+#ifdef _PS3
+	// Account for OpenGL's flipped y coordinate and expanded z range [-1,1] instead of [0,1]
+	projPos.y = -projPos.y;
+	projPos.z = 2.0f * projPos.z - projPos.w;
+#endif // _PS3
+
+	o.projPos = projPos;
+
+#if !defined( _X360 ) && !defined( SHADER_MODEL_VS_3_0 )
+	o.fog = CalcFixedFunctionFog( worldPos, g_FogType );
+#endif
+
+	o.worldPos_projPosZ = float4( worldPos, projPos.z );
+	o.baseTexCoord.xy = v.vTexCoord0.xy;
+	o.flAlpha = v.colorAlpha.a;
+	return o;
+}
+
+