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1deb41f0e7
--------- Co-authored-by: Skyler Szot <quic_sszot@quicinc.com> Co-authored-by: Shangqing Gu <quic_shawngu@quicinc.com> Co-authored-by: Alexander Angus <quic_aangus@quicinc.com> Co-authored-by: Hongqiang Wang <quic_wangh@quicinc.com> Co-authored-by: Max Krasnyansky <quic_maxk@quicinc.com>
26 lines
939 B
Common Lisp
26 lines
939 B
Common Lisp
// 32-bit transpose, loading/storing a 4x4 tile of elements
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kernel void kernel_transpose_32(
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__read_only image1d_buffer_t input,
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__write_only image1d_buffer_t output,
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const uint rows,
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const uint cols
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) {
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const int i = get_global_id(0);
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const int j = get_global_id(1);
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const int i_2 = i<<2;
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const int j_2 = j<<2;
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float4 temp0 = read_imagef(input, (j_2+0)*cols+i);
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float4 temp1 = read_imagef(input, (j_2+1)*cols+i);
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float4 temp2 = read_imagef(input, (j_2+2)*cols+i);
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float4 temp3 = read_imagef(input, (j_2+3)*cols+i);
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write_imagef(output, (i_2+0)*rows+j, (float4)(temp0.s0, temp1.s0, temp2.s0, temp3.s0));
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write_imagef(output, (i_2+1)*rows+j, (float4)(temp0.s1, temp1.s1, temp2.s1, temp3.s1));
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write_imagef(output, (i_2+2)*rows+j, (float4)(temp0.s2, temp1.s2, temp2.s2, temp3.s2));
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write_imagef(output, (i_2+3)*rows+j, (float4)(temp0.s3, temp1.s3, temp2.s3, temp3.s3));
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}
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