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Merge branch '2.1.x' into master

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derselbst 2021-03-04 20:19:09 +01:00
commit 73182866e0
1 changed files with 32 additions and 17 deletions
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15
src/rvoice/fluid_rvoice_mixer.c
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@ -451,6 +451,18 @@ fluid_rvoice_buffers_mix(fluid_rvoice_buffers_t *buffers,
* But it seems like having two separate loops is easier for compilers to understand, and therefore * But it seems like having two separate loops is easier for compilers to understand, and therefore
* auto-vectorizing the loops. * auto-vectorizing the loops.
*/ */
if(sample_count < FLUID_BUFSIZE)
{
// scalar loop variant, the voice will have finished afterwards
for(dsp_i = 0; dsp_i < sample_count; dsp_i++)
{
buf[start_block * FLUID_BUFSIZE + dsp_i] += current_amp * dsp_buf[start_block * FLUID_BUFSIZE + dsp_i];
current_amp += amp_incr;
}
}
else
{
// here goes the vectorizable loop
#pragma omp simd aligned(dsp_buf,buf:FLUID_DEFAULT_ALIGNMENT) #pragma omp simd aligned(dsp_buf,buf:FLUID_DEFAULT_ALIGNMENT)
for(dsp_i = 0; dsp_i < FLUID_BUFSIZE; dsp_i++) for(dsp_i = 0; dsp_i < FLUID_BUFSIZE; dsp_i++)
{ {
@ -458,6 +470,7 @@ fluid_rvoice_buffers_mix(fluid_rvoice_buffers_t *buffers,
buf[start_block * FLUID_BUFSIZE + dsp_i] += (current_amp + amp_incr * dsp_i) * dsp_buf[start_block * FLUID_BUFSIZE + dsp_i]; buf[start_block * FLUID_BUFSIZE + dsp_i] += (current_amp + amp_incr * dsp_i) * dsp_buf[start_block * FLUID_BUFSIZE + dsp_i];
} }
// we have reached the target_amp
if(target_amp > 0) if(target_amp > 0)
{ {
/* Note, that this loop could be unrolled by FLUID_BUFSIZE elements */ /* Note, that this loop could be unrolled by FLUID_BUFSIZE elements */
@ -472,6 +485,8 @@ fluid_rvoice_buffers_mix(fluid_rvoice_buffers_t *buffers,
buf[start_block * FLUID_BUFSIZE + dsp_i] += target_amp * dsp_buf[start_block * FLUID_BUFSIZE + dsp_i]; buf[start_block * FLUID_BUFSIZE + dsp_i] += target_amp * dsp_buf[start_block * FLUID_BUFSIZE + dsp_i];
} }
} }
}
buffers->bufs[i].current_amp = target_amp; buffers->bufs[i].current_amp = target_amp;
} }
} }