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Fixes to gdisp vertical scrolling.

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Also added improved optimisation for drivers without blit but with a fill routine.
This commit is contained in:
inmarket 2013-11-05 13:45:19 +10:00
parent 009d9f1f60
commit 250adaf028
1 changed files with 38 additions and 4 deletions
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42
src/gdisp/gdisp.c
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@ -1041,7 +1041,7 @@ void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
if (!g->vmt->setclip)
#endif
{
// This is a different cliping to fillarea(g) as it needs to take into account srcx,srcy
// This is a different clipping to fillarea(g) as it needs to take into account srcx,srcy
if (x < g->clipx0) { cx -= g->clipx0 - x; srcx += g->clipx0 - x; x = g->clipx0; }
if (y < g->clipy0) { cy -= g->clipy0 - y; srcy += g->clipy0 - x; y = g->clipy0; }
if (x+cx > g->clipx1) cx = g->clipx1 - x;
@ -2130,7 +2130,7 @@ void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
#if GDISP_NEED_SCROLL
void gdispGVerticalScroll(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
coord_t abslines;
#if !GDISP_HARDWARE_SCROLL
#if GDISP_HARDWARE_SCROLL != TRUE
coord_t fy, dy, ix, fx, i, j;
#endif
@ -2232,9 +2232,11 @@ void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
}
}
#if GDISP_HARDWARE_PIXELREAD == HARDWARE_AUTODETECT
else
else {
// Worst is "not possible"
MUTEX_EXIT(g);
return;
}
#endif
#endif
@ -2291,8 +2293,40 @@ void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
#endif
#endif
// Next best line write is drawing pixels in combination with filling
#if GDISP_HARDWARE_BITFILLS != TRUE && GDISP_HARDWARE_STREAM_WRITE != TRUE && GDISP_HARDWARE_FILLS && GDISP_HARDWARE_DRAWPIXEL
// We don't need to test for auto-detect on drawpixel as we know we have it because we don't have streaming.
#if GDISP_HARDWARE_FILLS == HARDWARE_AUTODETECT
if (g->vmt->fill)
#endif
{
g->p.y = fy;
g->p.cy = 1;
g->p.x = x+ix;
g->p.cx = 1;
for(j = 0; j < fx; ) {
g->p.color = g->linebuf[j];
if (j + g->p.cx < fx && g->linebuf[j] == g->linebuf[j + g->p.cx])
g->p.cx++;
else if (g->p.cx == 1) {
gdisp_lld_draw_pixel(g);
j++;
g->p.x++;
} else {
gdisp_lld_fill_area(g);
j += g->p.cx;
g->p.x += g->p.cx;
g->p.cx = 1;
}
}
}
#if GDISP_HARDWARE_FILLS == HARDWARE_AUTODETECT
else
#endif
#endif
// Worst line write is drawing pixels
#if GDISP_HARDWARE_BITFILLS != TRUE && GDISP_HARDWARE_STREAM_WRITE != TRUE && GDISP_HARDWARE_DRAWPIXEL
#if GDISP_HARDWARE_BITFILLS != TRUE && GDISP_HARDWARE_STREAM_WRITE != TRUE && GDISP_HARDWARE_FILLS != TRUE && GDISP_HARDWARE_DRAWPIXEL
// The following test is unneeded because we are guaranteed to have draw pixel if we don't have streaming
//#if GDISP_HARDWARE_DRAWPIXEL == HARDWARE_AUTODETECT
// if (g->vmt->pixel)