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[book_gpu.git] / BookGPU / Chapters / chapter3 / code / kernSkel.cu
1 texture<short, 2, cudaReadModeElementType> tex_img_in ;
2
3 __global__ void kernel_ident( short *output, int w)
4 {  
5   int j = __mul24(blockIdx.x,blockDim.x) + threadIdx.x ; 
6   int i = __mul24( blockIdx.y, blockDim.y) + threadIdx.y ;
7
8   output[ __mul24(i, w) + j ] = tex2D(tex_img_in, j, i) ;
9
10 }
11
12