GPGPU Programming for Games and Science

GPU Computing 183

/ / HLSL sema ntic i s POSITION0

d e s c [ 0 ] . SemanticName = ”POSITION ” ;

desc [ 0]. SemanticIndex = 0;

d es c [ 0 ] . F ormat = D XGI

FORMAT R32G32B32 FLOA T ; // position has 3 channels

desc [0]. InputSlot = 0;

desc [0]. AlignedByteOffset = 0;

des c [ 0 ] . I n p u t S l ot C l a ss = D3D11

INPUT PER VERTEX DATA ;

desc [0 ]. InstanceDataStepRate = 0;

// HLSL s em a n t i c i s COLOR0

d e s c [ 1 ] . SemanticName = ”COLOR” ;

desc [ 1]. SemanticIndex = 0;

d es c [ 1 ] . F ormat = D XGI

FORMAT R32G32B32A32 FLOAT ; // color has 4 channels

desc [1]. InputSlot = 0;

desc [1]. AlignedByteOffset = 12; // offset after position [3]

des c [ 1 ]