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feat(drivers): account for the frame buffer virtual resolution deviating from the visible resolution. #5988

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merged 3 commits into from
Apr 10, 2024
Merged

feat(drivers): account for the frame buffer virtual resolution deviating from the visible resolution. #5988

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ffe3567
Account for the frame buffer virtual resolution deviating from the vi…
pvginkel Mar 28, 2024
61123d0
Use display resolution as stride instead of device resolution.
pvginkel Apr 5, 2024
f56fe77
Incorporated PR feedback.
pvginkel Apr 8, 2024
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11 changes: 8 additions & 3 deletions src/drivers/display/fb/lv_linux_fbdev.c
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Original file line number Diff line number Diff line change
Expand Up @@ -312,16 312,21 @@ static void flush_cb(lv_display_t * disp, const lv_area_t * area, uint8_t * colo
return;
}

uint32_t color_pos = (area->x1 dsc->vinfo.xoffset) * px_size area->y1 * dsc->finfo.line_length;
uint32_t fb_pos = color_pos dsc->vinfo.yoffset * dsc->finfo.line_length;
uint32_t fb_pos =
(area->x1 dsc->vinfo.xoffset) * px_size
(area->y1 dsc->vinfo.yoffset) * dsc->finfo.line_length;

uint8_t * fbp = (uint8_t *)dsc->fbp;
int32_t y;
if(LV_LINUX_FBDEV_RENDER_MODE == LV_DISPLAY_RENDER_MODE_DIRECT) {
uint32_t color_pos =
area->x1 * px_size
area->y1 * disp->hor_res * px_size;

for(y = area->y1; y <= area->y2; y ) {
lv_memcpy(&fbp[fb_pos], &color_p[color_pos], w * px_size);
fb_pos = dsc->finfo.line_length;
color_pos = dsc->finfo.line_length;
color_pos = disp->hor_res * px_size;
}
}
else {
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