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gsk: Flush the GL render items cache

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Whenever the render tree changes we want to drop the RenderItem arrays,
as each item contains a pointer to the GskRenderNode which becomes
dangling once the root node changed.
This commit is contained in:
Emmanuele Bassi 2016-04-26 14:23:12 +01:00
parent 635fd7026a
commit d99f91f5fd
1 changed files with 25 additions and 0 deletions
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25
gsk/gskglrenderer.c
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@ -952,6 +952,30 @@ out:
self->transparent_render_items->len));
}
static void
gsk_gl_renderer_clear_tree (GskRenderer *renderer,
GskRenderNode *root_node)
{
GskGLRenderer *self = GSK_GL_RENDERER (renderer);
if (self->context == NULL)
return;
gdk_gl_context_make_current (self->context);
g_clear_pointer (&self->opaque_render_items, g_array_unref);
g_clear_pointer (&self->transparent_render_items, g_array_unref);
if (gsk_renderer_is_realized (renderer))
{
self->opaque_render_items = g_array_sized_new (FALSE, FALSE, sizeof (RenderItem), 16);
g_array_set_clear_func (self->opaque_render_items, render_item_clear);
self->transparent_render_items = g_array_sized_new (FALSE, FALSE, sizeof (RenderItem), 16);
g_array_set_clear_func (self->opaque_render_items, render_item_clear);
}
}
static void
gsk_gl_renderer_clear (GskRenderer *renderer)
{
@ -1051,6 +1075,7 @@ gsk_gl_renderer_class_init (GskGLRendererClass *klass)
renderer_class->update = gsk_gl_renderer_update;
renderer_class->clear = gsk_gl_renderer_clear;
renderer_class->validate_tree = gsk_gl_renderer_validate_tree;
renderer_class->clear_tree = gsk_gl_renderer_clear_tree;
renderer_class->render = gsk_gl_renderer_render;
}