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127 lines
3.8 KiB
127 lines
3.8 KiB
//======= Copyright © 1996-2006, Valve Corporation, All rights reserved. ====== |
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// STATIC: "INTRO" "0..1" |
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// STATIC: "USE_STATIC_CONTROL_FLOW" "0..1" [vs20] |
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// DYNAMIC: "COMPRESSED_VERTS" "0..1" |
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// DYNAMIC: "DOWATERFOG" "0..1" |
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// DYNAMIC: "SKINNING" "0..1" |
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// DYNAMIC: "DYNAMIC_LIGHT" "0..1" |
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// DYNAMIC: "STATIC_LIGHT" "0..1" |
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// DYNAMIC: "MORPHING" "0..1" [vs30] |
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// DYNAMIC: "NUM_LIGHTS" "0..2" [vs20] |
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// If using static control flow on Direct3D, we should use the NUM_LIGHTS=0 combo |
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// SKIP: $USE_STATIC_CONTROL_FLOW && ( $NUM_LIGHTS > 0 ) [vs20] |
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#include "vortwarp_vs20_helper.h" |
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static const int g_FogType = DOWATERFOG; |
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static const bool g_bSkinning = SKINNING ? true : false; |
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const float4 cTeethLighting : register( SHADER_SPECIFIC_CONST_0 ); |
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#if INTRO |
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const float4 const4 : register( SHADER_SPECIFIC_CONST_1 ); |
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#define g_Time const4.w |
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#define modelOrigin const4.xyz |
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#endif |
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#ifdef SHADER_MODEL_VS_3_0 |
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// NOTE: cMorphTargetTextureDim.xy = target dimensions, |
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// cMorphTargetTextureDim.z = 4tuples/morph |
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const float3 cMorphTargetTextureDim : register( SHADER_SPECIFIC_CONST_6 ); |
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const float4 cMorphSubrect : register( SHADER_SPECIFIC_CONST_7 ); |
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sampler2D morphSampler : register( D3DVERTEXTEXTURESAMPLER0, s0 ); |
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#endif |
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struct VS_INPUT |
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{ |
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// This is all of the stuff that we ever use. |
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float4 vPos : POSITION; |
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float4 vBoneWeights : BLENDWEIGHT; |
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float4 vBoneIndices : BLENDINDICES; |
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float4 vNormal : NORMAL; |
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float2 vTexCoord0 : TEXCOORD0; |
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// Position and normal/tangent deltas |
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float3 vPosFlex : POSITION1; |
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float3 vNormalFlex : NORMAL1; |
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#ifdef SHADER_MODEL_VS_3_0 |
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float vVertexID : POSITION2; |
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#endif |
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}; |
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struct VS_OUTPUT |
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{ |
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float4 projPos : POSITION; |
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#if !defined( _X360 ) |
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float fog : FOG; |
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#endif |
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float2 baseTexCoord : TEXCOORD0; |
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float3 vertAtten : TEXCOORD1; |
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float4 worldPos_projPosZ : TEXCOORD7; // Necessary for pixel fog |
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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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bool bDynamicLight = DYNAMIC_LIGHT ? true : false; |
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bool bStaticLight = STATIC_LIGHT ? true : false; |
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float4 vPosition = v.vPos; |
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float3 vNormal; |
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DecompressVertex_Normal( v.vNormal, vNormal ); |
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#if !defined( SHADER_MODEL_VS_3_0 ) || !MORPHING |
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ApplyMorph( v.vPosFlex, v.vNormalFlex, vPosition.xyz, vNormal ); |
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#else |
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ApplyMorph( morphSampler, cMorphTargetTextureDim, cMorphSubrect, v.vVertexID, float3( 0, 0, 0 ), vPosition.xyz, vNormal ); |
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#endif |
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// Normalize the flexed normal |
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vNormal.xyz = normalize( vNormal.xyz ); |
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// Transform the position |
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float3 worldPos, worldNormal; |
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SkinPositionAndNormal( g_bSkinning, vPosition, vNormal, v.vBoneWeights, v.vBoneIndices, worldPos, worldNormal ); |
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#if INTRO |
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float3 dummy = float3( 0.0f, 0.0f, 0.0f ); |
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WorldSpaceVertexProcess( g_Time, modelOrigin, worldPos, worldNormal, dummy, dummy ); |
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#endif |
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// Transform into projection space |
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float4 vProjPos = mul( float4( worldPos, 1 ), cViewProj ); |
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o.projPos = vProjPos; |
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vProjPos.z = dot( float4( worldPos, 1 ), cViewProjZ ); |
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o.worldPos_projPosZ = float4( worldPos.xyz, vProjPos.z ); |
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#if !defined( _X360 ) |
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// Set fixed-function fog factor |
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o.fog = CalcFog( worldPos, vProjPos, g_FogType ); |
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#endif |
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// Compute lighting |
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#if ( USE_STATIC_CONTROL_FLOW ) || defined ( SHADER_MODEL_VS_3_0 ) |
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float3 linearColor = DoLighting( worldPos, worldNormal, float3(0.0f, 0.0f, 0.0f), bStaticLight, bDynamicLight, false ); |
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#else |
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float3 linearColor = DoLightingUnrolled( worldPos, worldNormal, float3(0.0f, 0.0f, 0.0f), bStaticLight, bDynamicLight, false, NUM_LIGHTS ); |
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#endif |
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// Forward vector |
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float3 vForward = cTeethLighting.xyz; |
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float fIllumFactor = cTeethLighting.w; |
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// Darken by forward dot normal and illumination factor |
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linearColor *= fIllumFactor * saturate( dot( worldNormal, vForward ) ); |
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o.vertAtten = linearColor; |
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o.baseTexCoord = v.vTexCoord0; |
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return o; |
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} |
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