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tests: Add a semi-transparent single pixel buffer test

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Now that we have a glClear() region optimization for opaque solid surfaces,
we should make sure we test transparent solid surfaces as well.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2025-10-20 13:22:48 -05:00
parent 26cab9d562
commit 21f1c575b3
2 changed files with 40 additions and 0 deletions
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tests/single-pixel-buffer-test.c
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@ -111,6 +111,46 @@ TEST(solid_buffer_argb_u32)
return RESULT_OK;
}
TEST(solid_buffer_argb_u32_semi_transparent)
{
struct client *client;
struct wp_viewport *viewport;
struct wl_buffer *buffer;
int done;
bool match;
client = create_client();
client->surface = create_test_surface(client);
viewport = client_create_viewport(client);
wp_viewport_set_destination(viewport, 128, 128);
buffer = wp_single_pixel_buffer_manager_v1_create_u32_rgba_buffer(client->single_pixel_manager,
0xcfffffff, /* r */
0x8fffffff, /* g */
0x4fffffff, /* b */
0x7fffffff /* a */);
test_assert_ptr_not_null(buffer);
weston_test_move_surface(client->test->weston_test,
client->surface->wl_surface,
64, 64);
wl_surface_attach(client->surface->wl_surface, buffer, 0, 0);
wl_surface_damage_buffer(client->surface->wl_surface, 0, 0, 1, 1);
frame_callback_set(client->surface->wl_surface, &done);
wl_surface_commit(client->surface->wl_surface);
frame_callback_wait(client, &done);
match = verify_screen_content(client, "single-pixel-buffer-semi-transparent", 0,
NULL, 0, NULL, NO_DECORATIONS);
test_assert_true(match);
wl_buffer_destroy(buffer);
wp_viewport_destroy(viewport);
client_destroy(client);
return RESULT_OK;
}
TEST(solid_buffer_argb_u32_scaled)
{
struct client *client;