112 lines
4.0 KiB
Plaintext
112 lines
4.0 KiB
Plaintext
//==================================================================================================
|
|
//
|
|
// Physically Based Rendering vertex shader for brushes and models
|
|
//
|
|
//==================================================================================================
|
|
|
|
// DYNAMIC: "COMPRESSED_VERTS" "0..1"
|
|
// DYNAMIC: "DOWATERFOG" "0..1"
|
|
// DYNAMIC: "SKINNING" "0..1"
|
|
// DYNAMIC: "LIGHTING_PREVIEW" "0..1"
|
|
// DYNAMIC: "NUM_LIGHTS" "0..4"
|
|
|
|
#include "common_vs_fxc.h"
|
|
|
|
static const bool g_bSkinning = SKINNING ? true : false;
|
|
static const int g_FogType = DOWATERFOG;
|
|
const float4 cBaseTexCoordTransform[2] : register(SHADER_SPECIFIC_CONST_0);
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Input vertex format
|
|
//-----------------------------------------------------------------------------
|
|
struct VS_INPUT
|
|
{
|
|
// This is all of the stuff that we ever use
|
|
float4 vPos : POSITION;
|
|
float4 vBoneWeights : BLENDWEIGHT;
|
|
float4 vBoneIndices : BLENDINDICES;
|
|
float4 vNormal : NORMAL;
|
|
float2 vTexCoord0 : TEXCOORD0;
|
|
float4 vLightmapTexCoord : TEXCOORD1;
|
|
float4 vLightmapTexCoordOffset : TEXCOORD2;
|
|
};
|
|
|
|
struct VS_OUTPUT
|
|
{
|
|
// Stuff that isn't seen by the pixel shader
|
|
float4 projPosSetup : POSITION;
|
|
float fog : FOG;
|
|
// Stuff that is seen by the pixel shader
|
|
float2 baseTexCoord : TEXCOORD0;
|
|
float4 lightAtten : TEXCOORD1;
|
|
float3 worldNormal : TEXCOORD2;
|
|
float3 worldPos : TEXCOORD3;
|
|
float3 projPos : TEXCOORD4;
|
|
float4 lightmapTexCoord1And2 : TEXCOORD5;
|
|
float4 lightmapTexCoord3 : TEXCOORD6;
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Main shader entry point
|
|
//-----------------------------------------------------------------------------
|
|
VS_OUTPUT main( const VS_INPUT v )
|
|
{
|
|
VS_OUTPUT o = ( VS_OUTPUT )0;
|
|
|
|
o.lightmapTexCoord3.z = dot(v.vTexCoord0, cBaseTexCoordTransform[0]) + cBaseTexCoordTransform[0].w;
|
|
o.lightmapTexCoord3.w = dot(v.vTexCoord0, cBaseTexCoordTransform[1]) + cBaseTexCoordTransform[1].w;
|
|
o.lightmapTexCoord1And2.xy = v.vLightmapTexCoord + v.vLightmapTexCoordOffset;
|
|
|
|
float2 lightmapTexCoord2 = o.lightmapTexCoord1And2.xy + v.vLightmapTexCoordOffset;
|
|
float2 lightmapTexCoord3 = lightmapTexCoord2 + v.vLightmapTexCoordOffset;
|
|
|
|
// Reversed component order
|
|
o.lightmapTexCoord1And2.w = lightmapTexCoord2.x;
|
|
o.lightmapTexCoord1And2.z = lightmapTexCoord2.y;
|
|
|
|
o.lightmapTexCoord3.xy = lightmapTexCoord3;
|
|
|
|
float3 vNormal;
|
|
DecompressVertex_Normal(v.vNormal, vNormal);
|
|
|
|
float3 worldNormal, worldPos;
|
|
SkinPositionAndNormal(g_bSkinning, v.vPos, vNormal, v.vBoneWeights, v.vBoneIndices, worldPos, worldNormal);
|
|
|
|
// Transform into projection space
|
|
float4 vProjPos = mul(float4(worldPos, 1), cViewProj);
|
|
o.projPosSetup = vProjPos;
|
|
vProjPos.z = dot(float4(worldPos, 1), cViewProjZ);
|
|
|
|
o.projPos = vProjPos.xyz;
|
|
o.fog = CalcFog(worldPos, vProjPos.xyz, g_FogType);
|
|
|
|
// Needed for water fog alpha and diffuse lighting
|
|
o.worldPos = worldPos;
|
|
o.worldNormal = normalize(worldNormal);
|
|
|
|
// Scalar attenuations for four lights
|
|
o.lightAtten = float4(0, 0, 0, 0);
|
|
|
|
#if (NUM_LIGHTS > 0)
|
|
o.lightAtten.x = GetVertexAttenForLight(worldPos, 0, false);
|
|
#endif
|
|
|
|
#if (NUM_LIGHTS > 1)
|
|
o.lightAtten.y = GetVertexAttenForLight(worldPos, 1, false);
|
|
#endif
|
|
|
|
#if (NUM_LIGHTS > 2)
|
|
o.lightAtten.z = GetVertexAttenForLight(worldPos, 2, false);
|
|
#endif
|
|
|
|
#if (NUM_LIGHTS > 3)
|
|
o.lightAtten.w = GetVertexAttenForLight(worldPos, 3, false);
|
|
#endif
|
|
|
|
// Base texture coordinate transform
|
|
o.baseTexCoord.x = dot(v.vTexCoord0, cBaseTexCoordTransform[0]);
|
|
o.baseTexCoord.y = dot(v.vTexCoord0, cBaseTexCoordTransform[1]);
|
|
|
|
return o;
|
|
}
|