Author: reimar
Date: Thu May 28 21:25:15 2020
New Revision: 38188
Log:
menu.c: optimize libmenu box drawing.
As the lines it draws are all identical it is enough to
allocate a single line and draw with stride 0.
Admittedly it would be even more efficient to have
a special function for this, but that would be
enough extra effort to not seem worth it.
Modified:
trunk/libmenu/menu.c
Modified: trunk/libmenu/menu.c
==============================================================================
--- trunk/libmenu/menu.c Wed May 27 23:25:01 2020 (r38187)
+++ trunk/libmenu/menu.c Thu May 28 21:25:15 2020 (r38188)
@@ -747,14 +747,14 @@ void menu_draw_box(mp_image_t* mpi,unsig
{
int stride = (w+15)&(~15); // round to 16
#if HAVE_LOCAL_ALIGNED
- DECLARE_ALIGNED(16, char, pic)[stride*h];
- DECLARE_ALIGNED(16, char, pic_alpha)[stride*h];
+ DECLARE_ALIGNED(16, char, pic)[stride];
+ DECLARE_ALIGNED(16, char, pic_alpha)[stride];
#else
- char pic[stride*h],pic_alpha[stride*h];
+ char pic[stride],pic_alpha[stride];
#endif
- memset(pic,g,stride*h);
- memset(pic_alpha,alpha,stride*h);
- draw_alpha(w,h,pic,pic_alpha,stride,
+ memset(pic,g,stride);
+ memset(pic_alpha,alpha,stride);
+ draw_alpha(w,h,pic,pic_alpha,0,
mpi->planes[0] + y * mpi->stride[0] + x * (mpi->bpp>>3),
mpi->stride[0]);
}
