Author: reimar
Date: Sun Nov 17 18:32:16 2019
New Revision: 38153
Log:
vo_vdpau: SSE2 optimization of OSD code.
Modified:
trunk/libvo/vo_vdpau.c
Modified: trunk/libvo/vo_vdpau.c
==============================================================================
--- trunk/libvo/vo_vdpau.c Fri Sep 27 10:29:07 2019 (r38152)
+++ trunk/libvo/vo_vdpau.c Sun Nov 17 18:32:16 2019 (r38153)
@@ -824,6 +824,38 @@ static void check_events(void)
}
}
+#if HAVE_EMMINTRIN_H
+#include <emmintrin.h>
+
+#include "cpudetect.h"
+
+ATTR_TARGET_SSE2
+static void copyosd_SSE2(int w, int h, unsigned char *src, unsigned char *srca, int stride)
+{
+ unsigned char *dst = index_data;
+ __m128i zero = _mm_setzero_si128();
+ while (h--) {
+ int i;
+ for (i = 0; i < w - 15; i += 16)
+ {
+ __m128i mmsrc = _mm_loadu_si128((const __m128i *)(src + i));
+ __m128i mmsrca = _mm_loadu_si128((const __m128i *)(srca + i));
+ mmsrca = _mm_sub_epi8(zero, mmsrca);
+ _mm_storeu_si128((__m128i *)(dst + 0), _mm_unpacklo_epi8(mmsrc, mmsrca));
+ _mm_storeu_si128((__m128i *)(dst + 16), _mm_unpackhi_epi8(mmsrc, mmsrca));
+ dst += 32;
+ }
+ for (; i < w; i++)
+ {
+ *dst++ = src [i];
+ *dst++ = -srca[i];
+ }
+ src += stride;
+ srca += stride;
+ }
+}
+#endif
+
static void draw_osd_I8A8(int x0,int y0, int w,int h, unsigned char *src,
unsigned char *srca, int stride)
{
@@ -845,11 +877,18 @@ static void draw_osd_I8A8(int x0,int y0,
}
// index_data creation, component order - I, A, I, A, .....
- for (i = 0; i < h; i++)
- for (j = 0; j < w; j++) {
- index_data[i*2*w + j*2] = src [i*stride + j];
- index_data[i*2*w + j*2 + 1] = -srca[i*stride + j];
- }
+#if HAVE_EMMINTRIN_H
+ if (gCpuCaps.hasSSE2) copyosd_SSE2(w, h, src, srca, stride);
+ else
+#endif
+ {
+ unsigned char *dst = index_data;
+ for (i = 0; i < h; i++)
+ for (j = 0; j < w; j++) {
+ *dst++ = src [i*stride + j];
+ *dst++ = -srca[i*stride + j];
+ }
+ }
output_indexed_rect_vid.x0 = x0;
output_indexed_rect_vid.y0 = y0;
