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

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Pieter van Ginkel 2024-04-10 09:07:55 +02:00 committed by GitHub
parent 5e4fa47b20
commit 1f37da22db
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1 changed files with 8 additions and 3 deletions
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11
src/drivers/display/fb/lv_linux_fbdev.c
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@ -312,16 +312,21 @@ static void flush_cb(lv_display_t * disp, const lv_area_t * area, uint8_t * colo
return; return;
} }
uint32_t color_pos = (area->x1 + dsc->vinfo.xoffset) * px_size + area->y1 * dsc->finfo.line_length; uint32_t fb_pos =
uint32_t fb_pos = color_pos + dsc->vinfo.yoffset * dsc->finfo.line_length; (area->x1 + dsc->vinfo.xoffset) * px_size +
(area->y1 + dsc->vinfo.yoffset) * dsc->finfo.line_length;
uint8_t * fbp = (uint8_t *)dsc->fbp; uint8_t * fbp = (uint8_t *)dsc->fbp;
int32_t y; int32_t y;
if(LV_LINUX_FBDEV_RENDER_MODE == LV_DISPLAY_RENDER_MODE_DIRECT) { 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++) { for(y = area->y1; y <= area->y2; y++) {
lv_memcpy(&fbp[fb_pos], &color_p[color_pos], w * px_size); lv_memcpy(&fbp[fb_pos], &color_p[color_pos], w * px_size);
fb_pos += dsc->finfo.line_length; fb_pos += dsc->finfo.line_length;
color_pos += dsc->finfo.line_length; color_pos += disp->hor_res * px_size;
} }
} }
else { else {