62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
template<class Mixin>
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struct Buffer4 : public Mixin {
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virtual void
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process2(v4sf *buf_L, v4sf *buf_R, ulong rem) = 0;
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TEMPLATE void
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_process(T *in_L, T *in_R, T *out_L, T *out_R, ulong count)
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{
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disable_denormals();
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assert(count % 2 == 0);
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v4sf buf_L[BLOCK_SIZE/2];
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v4sf buf_R[BLOCK_SIZE/2];
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for (ulong pos = 0; pos < count; pos += BLOCK_SIZE) {
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ulong rem = BLOCK_SIZE;
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if (pos + BLOCK_SIZE > count)
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rem = count - pos;
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for (ulong i = 0, j = 0; i < rem; i += 2, j++) {
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buf_L[j][0] = in_L[i+0];
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buf_L[j][1] = in_L[i+1];
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buf_R[j][0] = in_R[i+0];
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buf_R[j][1] = in_R[i+1];
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}
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process2(buf_L, buf_R, rem);
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for (ulong i = 0, j = 0; i < rem; i += 2, j++) {
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out_L[i+0] = buf_L[j][0];
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out_L[i+1] = buf_L[j][1];
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out_R[i+0] = buf_R[j][0];
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out_R[i+1] = buf_R[j][1];
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}
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in_L += BLOCK_SIZE;
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in_R += BLOCK_SIZE;
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out_L += BLOCK_SIZE;
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out_R += BLOCK_SIZE;
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}
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}
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void
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process(
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double *in_L, double *in_R,
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double *out_L, double *out_R,
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ulong count)
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{
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_process(in_L, in_R, out_L, out_R, count);
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}
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void
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process(
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float *in_L, float *in_R,
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float *out_L, float *out_R,
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ulong count)
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{
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_process(in_L, in_R, out_L, out_R, count);
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}
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};
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