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| author | FluorescentCIAAfricanAmerican <[email protected]> | 2020-04-22 12:56:21 -0400 |
|---|---|---|
| committer | FluorescentCIAAfricanAmerican <[email protected]> | 2020-04-22 12:56:21 -0400 |
| commit | 3bf9df6b2785fa6d951086978a3e66f49427166a (patch) | |
| tree | 2c0f1f0c63c4832882bc93814ebd2c2b1c6224e5 /materialsystem/stdshaders/core_vs20.fxc | |
| download | archived-source-engine-2018-hl2-src-master.tar.xz archived-source-engine-2018-hl2-src-master.zip | |
Diffstat (limited to 'materialsystem/stdshaders/core_vs20.fxc')
| -rw-r--r-- | materialsystem/stdshaders/core_vs20.fxc | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/core_vs20.fxc b/materialsystem/stdshaders/core_vs20.fxc new file mode 100644 index 0000000..9b7c965 --- /dev/null +++ b/materialsystem/stdshaders/core_vs20.fxc @@ -0,0 +1,103 @@ +// STATIC: "MODEL" "0..1" + +// DYNAMIC: "COMPRESSED_VERTS" "0..1" +// DYNAMIC: "SKINNING" "0..1" + +#include "common_vs_fxc.h" + +static const bool g_bSkinning = SKINNING ? true : false; +static const bool g_bModel = MODEL ? true : false; + +const float4 cBumpTexCoordTransform[2] : register( SHADER_SPECIFIC_CONST_1 ); + +struct VS_INPUT +{ + float4 vPos : POSITION; + float4 vBoneWeights : BLENDWEIGHT; + float4 vBoneIndices : BLENDINDICES; + float4 vNormal : NORMAL; + float4 vBaseTexCoord : TEXCOORD0; +#if !MODEL + float3 vTangentS : TANGENT; + float3 vTangentT : BINORMAL0; +#else + float4 vUserData : TANGENT; +#endif +}; + +struct VS_OUTPUT +{ + float4 vProjPos_POSITION : POSITION; + float vFog : FOG; + float2 vBumpTexCoord : TEXCOORD0; + float3 vTangentEyeVect : TEXCOORD1; + float3x3 tangentSpaceTranspose : TEXCOORD2; + float3 vRefractXYW : TEXCOORD5; + float4 projNormal_screenCoordW : TEXCOORD6; + float4 worldPos_projPosZ : TEXCOORD7; + float4 fogFactorW : COLOR1; +}; + +VS_OUTPUT main( const VS_INPUT v ) +{ + VS_OUTPUT o = ( VS_OUTPUT )0; + + float3 worldNormal, worldPos, worldTangentS, worldTangentT; + + float3 vObjNormal; +#if MODEL + float4 vObjTangent; + DecompressVertex_NormalTangent( v.vNormal, v.vUserData, vObjNormal, vObjTangent ); + + SkinPositionNormalAndTangentSpace( + g_bSkinning, + v.vPos, vObjNormal, vObjTangent, + v.vBoneWeights, v.vBoneIndices, + worldPos, worldNormal, worldTangentS, worldTangentT ); +#else + DecompressVertex_Normal( v.vNormal, vObjNormal ); + + worldPos = mul( v.vPos, cModel[0] ); + worldTangentS = mul( v.vTangentS, ( const float3x3 )cModel[0] ); + worldTangentT = mul( v.vTangentT, ( const float3x3 )cModel[0] ); + worldNormal = mul( vObjNormal, ( float3x3 )cModel[0] ); +#endif + + + // Projected position + float4 vProjPos = mul( float4( worldPos, 1 ), cViewProj ); + o.vProjPos_POSITION = vProjPos; + o.projNormal_screenCoordW.xyz = mul( worldNormal, cViewProj ); + + o.worldPos_projPosZ = float4( worldPos.xyz, vProjPos.z ); + + // Map projected position to the refraction texture + float2 vRefractPos; + vRefractPos.x = vProjPos.x; + vRefractPos.y = -vProjPos.y; // invert Y + vRefractPos = (vRefractPos + vProjPos.w) * 0.5f; + + // Refraction transform + o.vRefractXYW = float3(vRefractPos.x, vRefractPos.y, vProjPos.w); + + // Compute fog based on the position + float3 vWorldPos = mul( v.vPos, cModel[0] ); + o.fogFactorW = o.vFog = CalcFog( vWorldPos, vProjPos, FOGTYPE_RANGE ); + + // Eye vector + float3 vWorldEyeVect = cEyePos - vWorldPos; + // Transform to the tangent space + o.vTangentEyeVect.x = dot( vWorldEyeVect, worldTangentS ); + o.vTangentEyeVect.y = dot( vWorldEyeVect, worldTangentT ); + o.vTangentEyeVect.z = dot( vWorldEyeVect, worldNormal ); + + // Tranform bump coordinates + o.vBumpTexCoord.x = dot( v.vBaseTexCoord, cBumpTexCoordTransform[0] ); + o.vBumpTexCoord.y = dot( v.vBaseTexCoord, cBumpTexCoordTransform[1] ); + + o.tangentSpaceTranspose[0] = worldTangentS; + o.tangentSpaceTranspose[1] = worldTangentT; + o.tangentSpaceTranspose[2] = worldNormal; + + return o; +} |