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graphics/nxbe: This seems to fix the last of software cursor bugs. On the LPC54, it looks pretty clean. Not flickery as I feared. Probably not so good on low end displays. Possible transient artifacts? Not sure, maybe. Or maybe my eyes are playing tricks froom staring at this too long.

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This commit is contained in:
Gregory Nutt
2019-04-13 15:08:32 -06:00
parent 3025fcefd3
commit c4f618e590
8 changed files with 24 additions and 24 deletions
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graphics/nxglib/cursor/nxglib_cursor_backup.c
+2 -2
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@@ -119,8 +119,8 @@ void NXGL_FUNCNAME(nxglib_cursor_backup, NXGLIB_SUFFIX)
/* Get the source and destination addresses */
fbmem = (FAR uint8_t *)plane->pinfo.fbmem;
sline = (FAR uint8_t *)fbmem + sstride * be->cursor.bounds.pt1.y +
NXGL_SCALEX(be->cursor.bounds.pt1.x);
sline = (FAR uint8_t *)fbmem + sstride * intersection.pt1.y +
NXGL_SCALEX(intersection.pt1.x);
dline = (FAR uint8_t *)be->cursor.bkgd + dstride * origin.y +
NXGL_SCALEX(origin.x);
graphics/nxglib/cursor/nxglib_cursor_draw.c
+2 -2
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@@ -169,8 +169,8 @@ void NXGL_FUNCNAME(nxglib_cursor_draw, NXGLIB_SUFFIX)
fbmem = (FAR uint8_t *)plane->pinfo.fbmem;
sline = be->cursor.image + sstride * origin.y + (origin.x >> 2);
dline = (FAR uint8_t *)fbmem + dstride * be->cursor.bounds.pt1.y +
NXGL_SCALEX(be->cursor.bounds.pt1.x);
dline = (FAR uint8_t *)fbmem + dstride * intersection.pt1.y +
NXGL_SCALEX(intersection.pt1.x);
sshift = (3 - (origin.y & 3)) << 1; /* MS first {0, 2, 4, 6} */
graphics/nxglib/cursor/nxglib_cursor_erase.c
+2 -2
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@@ -120,8 +120,8 @@ void NXGL_FUNCNAME(nxglib_cursor_erase, NXGLIB_SUFFIX)
fbmem = (FAR uint8_t *)plane->pinfo.fbmem;
sline = (FAR uint8_t *)be->cursor.bkgd + sstride * origin.y +
NXGL_SCALEX(origin.x);
dline = (FAR uint8_t *)fbmem + dstride * be->cursor.bounds.pt1.y +
NXGL_SCALEX(be->cursor.bounds.pt1.x);
dline = (FAR uint8_t *)fbmem + dstride * intersection.pt1.y +
NXGL_SCALEX(intersection.pt1.x);
/* Erase the old cursor position by copying the previous content */