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75 lines
1.8 KiB
75 lines
1.8 KiB
#include "common_fog_vs_fxc.h"
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#include "common_vs_fxc.h"
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static const int g_FogType = DOWATERFOG;
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const float4 cShaderConst0 : register( SHADER_SPECIFIC_CONST_0 );
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const float4 cShaderConst1 : register( SHADER_SPECIFIC_CONST_1 );
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struct VS_INPUT
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{
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float4 vPos : POSITION;
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float4 vTexCoord0 : TEXCOORD0;
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float4 vTexCoord1 : TEXCOORD1;
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float2 vTexCoord2 : TEXCOORD2;
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float4 vColor : COLOR0;
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};
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struct VS_OUTPUT
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{
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float4 vProjPos : POSITION;
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float2 vTexCoord0 : TEXCOORD0;
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float2 vTexCoord1 : TEXCOORD1;
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float2 vTexCoord2 : TEXCOORD2;
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float2 vTexCoord3 : TEXCOORD3;
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float4 worldPos_projPosZ : TEXCOORD4; // Necessary for pixel fog
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float4 vColor : COLOR0;
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#if !defined( _X360 ) && !defined( SHADER_MODEL_VS_3_0 )
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float fog : FOG;
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#endif
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};
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VS_OUTPUT main( const VS_INPUT v )
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{
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VS_OUTPUT o = ( VS_OUTPUT )0;
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float3 worldPos;
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worldPos = mul4x3( v.vPos, cModel[0] );
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o.vProjPos = mul( float4( worldPos, 1 ), cViewProj );
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#ifdef _PS3
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// Account for OpenGL's flipped y coordinate and expanded z range [-1,1] instead of [0,1]
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o.vProjPos.y = -o.vProjPos.y;
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o.vProjPos.z = 2.0f * o.vProjPos.z - o.vProjPos.w;
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#endif // _PS3
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o.worldPos_projPosZ = float4( worldPos.xyz, o.vProjPos.z );
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#if !defined( _X360 ) && !defined( _PS3 ) && !defined( SHADER_MODEL_VS_3_0 )
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o.fog = CalcFixedFunctionFog( worldPos, g_FogType );
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#endif
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// Compute the texture coordinates given the offset between
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// each bumped lightmap
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float2 offset;
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offset.x = v.vTexCoord2.x;
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offset.y = 0.0f;
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o.vTexCoord0.x = dot( v.vTexCoord0, cShaderConst0 );
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o.vTexCoord0.y = dot( v.vTexCoord0, cShaderConst1 );
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o.vTexCoord1 = offset + v.vTexCoord1.xy;
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o.vTexCoord2 = (offset * 2.0) + v.vTexCoord1.xy;
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o.vTexCoord3 = (offset * 3.0) + v.vTexCoord1.xy;
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o.vColor = v.vColor;
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return o;
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}
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