uGFX
/
ugfx
2
0
Fork 0
Code Issues 2 Pull Requests Projects Releases Wiki Activity

GDISP Streaming bug fixes and new optimisation method

ugfx_release_2.6
inmarket 2013-09-27 01:37:32 +10:00
parent a7360c13c2
commit 548eb3c981
1 changed files with 70 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

81
src/gdisp/gdisp.c
View File

@ -185,7 +185,7 @@ static void hline_clip(void) {
gdisp_lld_fill_area(GC);
#elif GDISP_HARDWARE_STREAM
// Next best is streaming
GC->p.cx = GC->p.x1 - GC->p.x;
GC->p.cx = GC->p.x1 - GC->p.x + 1;
GC->p.cy = 1;
gdisp_lld_stream_start(GC);
do { gdisp_lld_stream_color(GC); } while(GC->p.cx--);
@ -243,7 +243,7 @@ static void vline_clip(void) {
gdisp_lld_fill_area(GC);
#elif GDISP_HARDWARE_STREAM
// Next best is streaming
GC->p.cy = GC->p.y1 - GC->p.y;
GC->p.cy = GC->p.y1 - GC->p.y + 1;
GC->p.cx = 1;
gdisp_lld_stream_start(GC);
do { gdisp_lld_stream_color(GC); } while(GC->p.cy--);
@ -392,7 +392,10 @@ void _gdispInit(void) {
GC->p.y1 = GC->p.y = y;
GC->p.x2 = x + cx;
GC->p.y2 = y + cy;
GC->p.cx = 0;
#if (GDISP_LINEBUF_SIZE != 0 && GDISP_HARDWARE_BITFILLS) || GDISP_HARDWARE_FILLS
GC->p.cx = 0;
GC->p.cy = 1;
#endif
#endif
// Don't release the mutex as gdispStreamEnd() will do that.
@ -415,12 +418,9 @@ void _gdispInit(void) {
gdisp_lld_stream_color(GC);
#elif GDISP_LINEBUF_SIZE != 0 && GDISP_HARDWARE_BITFILLS
GC->linebuf[GC->p.cx++] = color;
GC->p.x++;
if (GC->p.cx >= GDISP_LINEBUF_SIZE) {
sx1 = GC->p.x1;
sy1 = GC->p.y1;
GC->p.x -= GC->p.cx;
GC->p.cy = 1;
GC->p.x1 = 0;
GC->p.y1 = 0;
GC->p.ptr = (void *)GC->linebuf;
@ -432,12 +432,10 @@ void _gdispInit(void) {
}
// Just wrap at end-of-line and end-of-buffer
if (GC->p.x >= GC->p.x2) {
if (GC->p.x+GC->p.cx >= GC->p.x2) {
if (GC->p.cx) {
sx1 = GC->p.x1;
sy1 = GC->p.y1;
GC->p.x -= GC->p.cx;
GC->p.cy = 1;
GC->p.x1 = 0;
GC->p.y1 = 0;
GC->p.ptr = (void *)GC->linebuf;
@ -450,6 +448,33 @@ void _gdispInit(void) {
if (++GC->p.y >= GC->p.y2)
GC->p.y = GC->p.y1;
}
#elif GDISP_HARDWARE_FILLS
// Only slightly better than drawing pixels is to look for runs and use fill area
if (!GC->p.cx || GC->p.color == color) {
GC->p.cx++;
GC->p.color = color;
} else {
if (GC->p.cx == 1)
gdisp_lld_draw_pixel(GC);
else
gdisp_lld_fill_area(GC);
GC->p.x += GC->p.cx;
GC->p.color = color;
GC->p.cx = 1;
}
// Just wrap at end-of-line and end-of-buffer
if (GC->p.x+GC->p.cx >= GC->p.x2) {
if (GC->p.cx) {
if (GC->p.cx == 1)
gdisp_lld_draw_pixel(GC);
else
gdisp_lld_fill_area(GC);
GC->p.cx = 0;
}
GC->p.x = GC->p.x1;
if (++GC->p.y >= GC->p.y2)
GC->p.y = GC->p.y1;
}
#else
// Worst is using pixel drawing
GC->p.color = color;
@ -475,13 +500,18 @@ void _gdispInit(void) {
#endif
#elif GDISP_LINEBUF_SIZE != 0 && GDISP_HARDWARE_BITFILLS
if (GC->p.cx) {
GC->p.x -= GC->p.cx;
GC->p.cy = 1;
GC->p.x1 = 0;
GC->p.y1 = 0;
GC->p.ptr = (void *)GC->linebuf;
gdisp_lld_blit_area(GC);
}
#elif GDISP_HARDWARE_FILLS
if (GC->p.cx) {
if (GC->p.cx == 1)
gdisp_lld_draw_pixel(GC);
else
gdisp_lld_fill_area(GC);
}
#endif
GC->flags &= ~GDISP_FLG_INSTREAM;
MUTEX_EXIT();
@ -595,6 +625,10 @@ void gdispBlitAreaEx(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx,
srcy = y + cy;
srccx -= cx;
GC->p.x = x;
GC->p.y = y;
GC->p.cx = cx;
GC->p.cy = cy;
gdisp_lld_stream_start(GC);
for(GC->p.y = y; GC->p.y < srcy; GC->p.y++, buffer += srccx) {
for(GC->p.x = x; GC->p.x < srcx; GC->p.x++) {
@ -605,6 +639,31 @@ void gdispBlitAreaEx(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx,
#if GDISP_HARDWARE_STREAM_STOP
gdisp_lld_stream_stop(GC);
#endif
#elif GDISP_HARDWARE_FILLS
// Only slightly better than drawing pixels is to look for runs and use fill area
// Translate buffer to the real image data, use srcx,srcy as the end point, srccx as the buffer line gap
buffer += srcy*srccx+srcx;
srcx = x + cx;
srcy = y + cy;
srccx -= cx;
GC->p.cy = 1;
for(GC->p.y = y; GC->p.y < srcy; GC->p.y++, buffer += srccx) {
for(GC->p.x=x; GC->p.x < srcx; GC->p.x += GC->p.cx) {
GC->p.cx=1;
GC->p.color = *buffer++;
while(GC->p.x+GC->p.cx < srcx && *buffer == GC->p.color) {
GC->p.cx++;
buffer++;
}
if (GC->p.cx == 1) {
gdisp_lld_draw_pixel(GC);
} else {
gdisp_lld_fill_area(GC);
}
}
}
#else
// Worst is drawing pixels