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testdmabuf: Be more dynamic

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Add shortcuts for triggering various changes:

- F11 toggles fullscreen
- Ctrl-O toggles an overlay
- Ctrl-F flips the texture
This commit is contained in:
Matthias Clasen 2024-02-08 23:28:57 -05:00
parent 691ea8f11a
commit d418b0984c
1 changed files with 102 additions and 7 deletions
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109
tests/testdmabuf.c
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@ -437,7 +437,8 @@ static GdkTexture *
make_dmabuf_texture (const char *filename,
guint32 format,
gboolean disjoint,
gboolean premultiplied)
gboolean premultiplied,
gboolean flip)
{
GdkTexture *texture;
GdkTextureDownloader *downloader;
@ -476,6 +477,20 @@ make_dmabuf_texture (const char *filename,
g_object_unref (texture);
if (flip)
{
for (int y = 0; y < height; y++)
{
guint32 *row = (guint32 *) (rgb_data + y * rgb_stride);
for (int x = 0; x < width / 2; x++)
{
guint32 p = row[x];
row[x] = row[width - 1 - x];
row[width - 1 - x] = p;
}
}
}
builder = gdk_dmabuf_texture_builder_new ();
gdk_dmabuf_texture_builder_set_display (builder, gdk_display_get_default ());
@ -613,7 +628,7 @@ static void
usage (void)
{
char *formats = supported_formats_to_string ();
g_print ("Usage: testdmabuf [--undecorated] [--disjoint][--download-to FILE] FORMAT FILE\n"
g_print ("Usage: testdmabuf [--undecorated][--disjoint][--download-to FILE] FORMAT FILE\n"
"Supported formats: %s\n", formats);
g_free (formats);
exit (1);
@ -633,11 +648,66 @@ parse_format (const char *a)
return 0;
}
static gboolean
toggle_fullscreen (GtkWidget *widget,
GVariant *args,
gpointer data)
{
GtkWindow *window = GTK_WINDOW (widget);
if (gtk_window_is_fullscreen (window))
gtk_window_unfullscreen (window);
else
gtk_window_fullscreen (window);
return TRUE;
}
static gboolean
toggle_overlay (GtkWidget *widget,
GVariant *args,
gpointer data)
{
static GtkWidget *child = NULL;
GtkOverlay *overlay = data;
if (child)
{
gtk_overlay_remove_overlay (overlay, child);
child = NULL;
}
else
{
child = gtk_image_new_from_icon_name ("media-playback-start-symbolic");
gtk_image_set_icon_size (GTK_IMAGE (child), GTK_ICON_SIZE_LARGE);
gtk_overlay_add_overlay (overlay, child);
}
return TRUE;
}
static GdkTexture *texture;
static GdkTexture *texture_flipped;
static gboolean
toggle_flip (GtkWidget *widget,
GVariant *args,
gpointer data)
{
GtkPicture *picture = data;
if (gtk_picture_get_paintable (picture) == GDK_PAINTABLE (texture))
gtk_picture_set_paintable (picture, GDK_PAINTABLE (texture_flipped));
else
gtk_picture_set_paintable (picture, GDK_PAINTABLE (texture));
return TRUE;
}
int
main (int argc, char *argv[])
{
GdkTexture *texture;
GtkWidget *window, *offload, *picture;
GtkWidget *window, *offload, *picture, *overlay;
char *filename;
guint32 format;
gboolean disjoint = FALSE;
@ -646,6 +716,10 @@ main (int argc, char *argv[])
gboolean fullscreen = FALSE;
unsigned int i;
const char *save_filename = NULL;
GtkEventController *controller;
GtkShortcutTrigger *trigger;
GtkShortcutAction *action;
GtkShortcut *shortcut;
for (i = 1; i < argc; i++)
{
@ -683,7 +757,8 @@ main (int argc, char *argv[])
/* Get the list of supported formats with GDK_DEBUG=opengl */
gdk_display_get_dmabuf_formats (gdk_display_get_default ());
texture = make_dmabuf_texture (filename, format, disjoint, premultiplied);
texture = make_dmabuf_texture (filename, format, disjoint, premultiplied, FALSE);
texture_flipped = make_dmabuf_texture (filename, format, disjoint, premultiplied, TRUE);
if (save_filename)
gdk_texture_save_to_png (texture, save_filename);
@ -694,10 +769,30 @@ main (int argc, char *argv[])
gtk_window_fullscreen (GTK_WINDOW (window));
picture = gtk_picture_new_for_paintable (GDK_PAINTABLE (texture));
offload = gtk_graphics_offload_new (picture);
overlay = gtk_overlay_new ();
gtk_window_set_child (GTK_WINDOW (window), offload);
gtk_overlay_set_child (GTK_OVERLAY (overlay), offload);
gtk_window_set_child (GTK_WINDOW (window), overlay);
controller = gtk_shortcut_controller_new ();
trigger = gtk_keyval_trigger_new (GDK_KEY_F11, GDK_NO_MODIFIER_MASK);
action = gtk_callback_action_new (toggle_fullscreen, NULL, NULL);
shortcut = gtk_shortcut_new (trigger, action);
gtk_shortcut_controller_add_shortcut (GTK_SHORTCUT_CONTROLLER (controller), shortcut);
trigger = gtk_keyval_trigger_new (GDK_KEY_O, GDK_CONTROL_MASK);
action = gtk_callback_action_new (toggle_overlay, overlay, NULL);
shortcut = gtk_shortcut_new (trigger, action);
gtk_shortcut_controller_add_shortcut (GTK_SHORTCUT_CONTROLLER (controller), shortcut);
trigger = gtk_keyval_trigger_new (GDK_KEY_F, GDK_CONTROL_MASK);
action = gtk_callback_action_new (toggle_flip, picture, NULL);
shortcut = gtk_shortcut_new (trigger, action);
gtk_shortcut_controller_add_shortcut (GTK_SHORTCUT_CONTROLLER (controller), shortcut);
gtk_widget_add_controller (window, controller);
gtk_window_present (GTK_WINDOW (window));