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fix(display): fix the support for partial mode in lv_display_set_buffers (#5286)

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Gabriel Wang
2024-01-11 19:33:19 +00:00
committed by GitHub
parent c7cf40f46f
commit 236a2a2672
1 changed files with 10 additions and 1 deletions
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src/display/lv_display.c
+10 -1
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@@ -405,13 +405,22 @@ void lv_display_set_buffers(lv_display_t * disp, void * buf1, void * buf2, uint3
lv_color_format_t cf = lv_display_get_color_format(disp); lv_color_format_t cf = lv_display_get_color_format(disp);
uint32_t stride = lv_draw_buf_width_to_stride(w, cf); uint32_t stride = lv_draw_buf_width_to_stride(w, cf);
if(stride * h > buf_size && render_mode != LV_DISPLAY_RENDER_MODE_PARTIAL) { if(render_mode == LV_DISPLAY_RENDER_MODE_PARTIAL) {
/* for partial mode, we calculate the height based on the buf_size and stride */
h = buf_size / stride;
}
else if(stride * h > buf_size) {
LV_LOG_ERROR("%s mode requires screen sized buffer(s)", LV_LOG_ERROR("%s mode requires screen sized buffer(s)",
render_mode == LV_DISPLAY_RENDER_MODE_FULL ? "FULL" : "DIRECT"); render_mode == LV_DISPLAY_RENDER_MODE_FULL ? "FULL" : "DIRECT");
LV_ASSERT(0); LV_ASSERT(0);
return; return;
} }
if(h == 0) {
LV_ASSERT_MSG(h != 0, "the buffer is too small");
return;
}
lv_draw_buf_init(&disp->_static_buf1, w, h, cf, stride, buf1, buf_size); lv_draw_buf_init(&disp->_static_buf1, w, h, cf, stride, buf1, buf_size);
lv_draw_buf_init(&disp->_static_buf2, w, h, cf, stride, buf2, buf_size); lv_draw_buf_init(&disp->_static_buf2, w, h, cf, stride, buf2, buf_size);
lv_display_set_draw_buffers(disp, &disp->_static_buf1, buf2 ? &disp->_static_buf2 : NULL); lv_display_set_draw_buffers(disp, &disp->_static_buf1, buf2 ? &disp->_static_buf2 : NULL);