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libswscale: Test AV_CPU_FLAG_SLOW_GATHER for hscale functions.

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This is instead of EXTERNAL_AVX2_FAST so that the avx2 hscale functions
are only used where they are faster.
This commit is contained in:
Alan Kelly 2021-12-20 15:45:45 +01:00 committed by James Almer
parent ffbab99f2c
commit eebe406c80
3 changed files with 3 additions and 3 deletions
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2
libswscale/utils.c
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@ -282,7 +282,7 @@ void ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos, int filterSiz
#if ARCH_X86_64
int i, j, k, l;
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_AVX2_FAST(cpu_flags)){
if (EXTERNAL_AVX2_FAST(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER)) {
if ((c->srcBpc == 8) && (c->dstBpc <= 14)){
if (dstW % 16 == 0){
if (filter != NULL){

2
libswscale/x86/swscale.c
View File

@ -578,7 +578,7 @@ switch(c->dstBpc){ \
break; \
}
if (EXTERNAL_AVX2_FAST(cpu_flags)) {
if (EXTERNAL_AVX2_FAST(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER)) {
if ((c->srcBpc == 8) && (c->dstBpc <= 14)) {
if (c->chrDstW % 16 == 0)
ASSIGN_AVX2_SCALE_FUNC(c->hcScale, c->hChrFilterSize);

2
tests/checkasm/sw_scale.c
View File

@ -217,7 +217,7 @@ static void check_hscale(void)
}
ff_sws_init_scale(ctx);
memcpy(filterAvx2, filter, sizeof(uint16_t) * (SRC_PIXELS * MAX_FILTER_WIDTH + MAX_FILTER_WIDTH));
if (cpu_flags & AV_CPU_FLAG_AVX2)
if ((cpu_flags & AV_CPU_FLAG_AVX2) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER))
ff_shuffle_filter_coefficients(ctx, filterPosAvx, width, filterAvx2, SRC_PIXELS);
if (check_func(ctx->hcScale, "hscale_%d_to_%d_width%d", ctx->srcBpc, ctx->dstBpc + 1, width)) {