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61 行
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#ifndef SHADERPASS
#error Undefine_SHADERPASS
#endif
//-------------------------------------------------------------------------------------
// Attribute/Varying
//-------------------------------------------------------------------------------------
struct Attributes
{
float3 positionOS : POSITION;
float2 uv0 : TEXCOORD0;
};
struct Varyings
{
float4 positionCS;
float2 texCoord0;
};
struct PackedVaryings
{
float4 positionCS : SV_Position;
float4 interpolators[1] : TEXCOORD0;
};
PackedVaryings PackVaryings(Varyings input)
{
PackedVaryings output;
output.positionCS = input.positionCS;
output.interpolators[0] = float4(input.texCoord0.xy, 0.0, 0.0);
return output;
}
FragInputs UnpackVaryings(PackedVaryings input)
{
FragInputs output;
ZERO_INITIALIZE(FragInputs, output);
output.unPositionSS = input.positionCS;
output.texCoord0.xy = input.interpolators[0].xy;
return output;
}
//-------------------------------------------------------------------------------------
// Vertex shader
//-------------------------------------------------------------------------------------
PackedVaryings Vert(Attributes input)
{
Varyings output;
float3 positionWS = TransformObjectToWorld(input.positionOS);
output.positionCS = TransformWorldToHClip(positionWS);
output.texCoord0 = input.uv0;
return PackVaryings(output);
}