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rendernode: Implement texture diffing for scale nodes

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This commit is contained in:
Benjamin Otte 2023-05-01 22:23:50 +02:00
parent 6506a3bc9c
commit e4040adbe7
1 changed files with 20 additions and 4 deletions
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24
gsk/gskrendernodeimpl.c
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@ -1844,13 +1844,29 @@ gsk_texture_scale_node_diff (GskRenderNode *node1,
{
GskTextureScaleNode *self1 = (GskTextureScaleNode *) node1;
GskTextureScaleNode *self2 = (GskTextureScaleNode *) node2;
cairo_region_t *sub;
if (graphene_rect_equal (&node1->bounds, &node2->bounds) &&
self1->texture == self2->texture &&
self1->filter == self2->filter)
if (!graphene_rect_equal (&node1->bounds, &node2->bounds) ||
self1->filter != self2->filter ||
gdk_texture_get_width (self1->texture) != gdk_texture_get_width (self2->texture) ||
gdk_texture_get_height (self1->texture) != gdk_texture_get_height (self2->texture))
{
gsk_render_node_diff_impossible (node1, node2, region);
return;
}
if (self1->texture == self2->texture)
return;
gsk_render_node_diff_impossible (node1, node2, region);
sub = cairo_region_create ();
gdk_texture_diff (self1->texture, self2->texture, sub);
region_union_region_affine (region,
sub,
node1->bounds.size.width / gdk_texture_get_width (self1->texture),
node1->bounds.size.height / gdk_texture_get_height (self1->texture),
node1->bounds.origin.x,
node1->bounds.origin.y);
cairo_region_destroy (sub);
}
static void