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clutter/tests: Connect to ClutterStage:paint-view

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ClutterStage:after-paint now does not guarantee a valid
implicit framebuffer pushed to the stack. Instead, use
the new 'paint-view' signal, that is emitted at a point
in the drawing routine where a framebuffer is pushed.

In addition to that, stop using the implicit framebuffer
API and port the actor-shader-effect test to read from
the view's framebuffer directly.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/623
This commit is contained in:
Georges Basile Stavracas Neto 2019-06-17 23:32:00 -03:00
parent 4a19628829
commit 088117a619
No known key found for this signature in database
GPG Key ID: 886C17EE170D1385
1 changed files with 18 additions and 14 deletions
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32
clutter/tests/conform/actor-shader-effect.c
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@ -209,14 +209,16 @@ make_actor (GType shader_type)
}
static guint32
get_pixel (int x, int y)
get_pixel (CoglFramebuffer *fb,
int x,
int y)
{
guint8 data[4];
cogl_read_pixels (x, y, 1, 1,
COGL_READ_PIXELS_COLOR_BUFFER,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
data);
cogl_framebuffer_read_pixels (fb,
x, y, 1, 1,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
data);
return (((guint32) data[0] << 16) |
((guint32) data[1] << 8) |
@ -224,19 +226,21 @@ get_pixel (int x, int y)
}
static void
paint_cb (ClutterStage *stage,
gpointer data)
view_painted_cb (ClutterStage *stage,
ClutterStageView *view,
gpointer data)
{
CoglFramebuffer *fb = clutter_stage_view_get_framebuffer (view);
gboolean *was_painted = data;
/* old shader effect */
g_assert_cmpint (get_pixel (0, 25), ==, 0xff0000);
g_assert_cmpint (get_pixel (fb, 0, 25), ==, 0xff0000);
/* new shader effect */
g_assert_cmpint (get_pixel (100, 25), ==, 0x00ffff);
g_assert_cmpint (get_pixel (fb, 100, 25), ==, 0x00ffff);
/* another new shader effect */
g_assert_cmpint (get_pixel (200, 25), ==, 0xff00ff);
g_assert_cmpint (get_pixel (fb, 200, 25), ==, 0xff00ff);
/* new shader effect */
g_assert_cmpint (get_pixel (300, 25), ==, 0x00ffff);
g_assert_cmpint (get_pixel (fb, 300, 25), ==, 0x00ffff);
*was_painted = TRUE;
}
@ -271,9 +275,9 @@ actor_shader_effect (void)
clutter_actor_show (stage);
was_painted = FALSE;
g_signal_connect (stage, "after-paint",
G_CALLBACK (paint_cb),
&was_painted);
g_signal_connect_after (stage, "paint-view",
G_CALLBACK (view_painted_cb),
&was_painted);
while (!was_painted)
g_main_context_iteration (NULL, FALSE);