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feat(display): assert when buffer is not aligned (#5272)

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Signed-off-by: Xu Xingliang <xuxingliang@xiaomi.com>
This commit is contained in:
Neo Xu
2024-01-19 18:36:49 +08:00
committed by GitHub
parent 13f60d65f5
commit f42917ad09
1 changed files with 12 additions and 10 deletions
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src/display/lv_display.c
+12 -10
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@@ -398,27 +398,29 @@ void lv_display_set_draw_buffers(lv_display_t * disp, lv_draw_buf_t * buf1, lv_d
void lv_display_set_buffers(lv_display_t * disp, void * buf1, void * buf2, uint32_t buf_size,
lv_display_render_mode_t render_mode)
{
LV_ASSERT_MSG(buf1 != NULL, "Null buffer");
lv_color_format_t cf = lv_display_get_color_format(disp);
uint32_t w = lv_display_get_horizontal_resolution(disp);
uint32_t h = lv_display_get_vertical_resolution(disp);
LV_ASSERT(w != 0 && h != 0);
lv_color_format_t cf = lv_display_get_color_format(disp);
LV_ASSERT_MSG(w != 0 && h != 0, "display resolution is 0");
/* buf1 or buf2 is not aligned according to LV_DRAW_BUF_ALIGN */
LV_ASSERT_MSG(buf1 == lv_draw_buf_align(buf1, cf), "buf1 is not aligned: %p", buf1);
LV_ASSERT_MSG(buf2 == NULL || buf2 == lv_draw_buf_align(buf2, cf), "buf2 is not aligned: %p", buf2);
uint32_t stride = lv_draw_buf_width_to_stride(w, cf);
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)",
render_mode == LV_DISPLAY_RENDER_MODE_FULL ? "FULL" : "DIRECT");
LV_ASSERT(0);
else {
LV_ASSERT_MSG(stride * h < buf_size, "%s mode requires screen sized buffer(s)",
render_mode == LV_DISPLAY_RENDER_MODE_FULL ? "FULL" : "DIRECT");
return;
}
if(h == 0) {
LV_ASSERT_MSG(h != 0, "the buffer is too small");
return;
}
LV_ASSERT_MSG(h != 0, "the buffer is too small");
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);