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feat(display): add triple buffer support (#8158)

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Signed-off-by: yushuailong1 <yushuailong1@xiaomi.com>
This commit is contained in:
yushuailong
2025-05-08 22:31:36 +08:00
committed by GitHub
parent 558409ad28
commit 77a1a14d37
7 changed files with 166 additions and 6 deletions
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tests/src/test_cases/test_display.c
+36
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@@ -169,4 +169,40 @@ void test_display_matrix_rotation(void)
#endif
}
static void dummy_flush_cb(lv_display_t * disp, const lv_area_t * area, uint8_t * color_p)
{
LV_UNUSED(area);
LV_UNUSED(color_p);
lv_display_flush_ready(disp);
}
void test_display_triple_buffer(void)
{
lv_display_t * disp = lv_display_create(480, 320);
lv_display_set_flush_cb(disp, dummy_flush_cb);
lv_draw_buf_t * buf1 = lv_draw_buf_create(480, 320, LV_COLOR_FORMAT_NATIVE, 0);
lv_draw_buf_t * buf2 = lv_draw_buf_create(480, 320, LV_COLOR_FORMAT_NATIVE, 0);
lv_draw_buf_t * buf3 = lv_draw_buf_create(480, 320, LV_COLOR_FORMAT_NATIVE, 0);
lv_display_set_render_mode(disp, LV_DISPLAY_RENDER_MODE_DIRECT);
lv_display_set_draw_buffers(disp, buf1, buf2);
lv_display_set_3rd_draw_buffer(disp, buf3);
lv_obj_invalidate(lv_display_get_screen_active(disp));
lv_display_refr_timer(lv_display_get_refr_timer(disp));
TEST_ASSERT_EQUAL(lv_display_get_buf_active(disp), buf2);
lv_obj_invalidate(lv_display_get_screen_active(disp));
lv_display_refr_timer(lv_display_get_refr_timer(disp));
TEST_ASSERT_EQUAL(lv_display_get_buf_active(disp), buf3);
lv_obj_invalidate(lv_display_get_screen_active(disp));
lv_display_refr_timer(lv_display_get_refr_timer(disp));
TEST_ASSERT_EQUAL(lv_display_get_buf_active(disp), buf1);
lv_display_delete(disp);
lv_draw_buf_destroy(buf1);
lv_draw_buf_destroy(buf2);
lv_draw_buf_destroy(buf3);
}
#endif