Deferred Rendering - Practical Rendering and Computation with Direct3D 11 - page 503

// Input/output structures
struct VSInput
{

float4 Position : POSITION;

float2 TexCoord : TEXCOORDS0;

float3 Normal : NORMAL;

float4 Tangent : TANGENT;

};

struct VSOutput
{

float4 PositionCS : SV_Position;

float2 TexCoord : TEXCOORD;

float3 NormalWS : NORMALWS;

float3 TangentWS : TANGENTWS;

float3 BitangentWS : BITANGENTWS;

float3 PositionWS : POSITIONWS;

};

struct PSInput
{

float4 PositionSS : SV_Position;

float2 TexCoord : TEXCOORD;

float3 NormalWS : NORMALWS;

float3 TangentWS : TANGENTWS;

float3 BitangentWS : BITANGENTWS;

float3 PositionWS : POSITIONWS;

};

struct PSOutput
{

float4 Normal : SV_Target0;

float4 Position : SV_Targetl;

};

// G-Buffer vertex shader for light prepass deferred rendering
VSOutput VSMain( in VSInput input )
{

VSOutput output;

// Convert normals to world space
float3 normalWS = normalize( mul( input.Normal, (fioat3x3)WorldMatrix ) );
output.NormalWS = normalWS;

// Reconstruct the rest of the tangent frame
float3 tangentWS = normalize( mul( input.Tangent.xyz,
(float3x3)WorldMatrix ) );
float3 bitangentWS = normalize( cross( normalWS, tangentWS ) )
* input.Tangent. w;

output.TangentWS = tangentWS;
output.BitangentWS = bitangentWS;

// Calculate the world-space position