diff options
| -rw-r--r-- | types/scene/wlr_scene.c | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/types/scene/wlr_scene.c b/types/scene/wlr_scene.c index 9516971a..5e5f8003 100644 --- a/types/scene/wlr_scene.c +++ b/types/scene/wlr_scene.c @@ -221,8 +221,8 @@ static bool scene_nodes_in_box(struct wlr_scene_node *node, struct wlr_box *box, return _scene_nodes_in_box(node, box, iterator, user_data, x, y); } -static void scene_node_cull_hidden(struct wlr_scene_node *node, int x, int y, - pixman_region32_t *visible) { +static void scene_node_opaque_region(struct wlr_scene_node *node, int x, int y, + pixman_region32_t *opaque) { if (node->type == WLR_SCENE_NODE_RECT) { struct wlr_scene_rect *scene_rect = scene_rect_from_node(node); if (scene_rect->color[3] != 1) { @@ -236,19 +236,16 @@ static void scene_node_cull_hidden(struct wlr_scene_node *node, int x, int y, } if (!buffer_is_opaque(scene_buffer->buffer)) { - pixman_region32_translate(visible, -x, -y); - pixman_region32_subtract(visible, visible, &scene_buffer->opaque_region); - pixman_region32_translate(visible, x, y); + pixman_region32_copy(opaque, &scene_buffer->opaque_region); + pixman_region32_translate(opaque, x, y); return; } } int width, height; scene_node_get_size(node, &width, &height); - pixman_region32_t opaque; - pixman_region32_init_rect(&opaque, x, y, width, height); - pixman_region32_subtract(visible, visible, &opaque); - pixman_region32_fini(&opaque); + pixman_region32_fini(opaque); + pixman_region32_init_rect(opaque, x, y, width, height); } struct scene_update_data { @@ -370,7 +367,11 @@ static bool scene_node_update_iterator(struct wlr_scene_node *node, lx, ly, box.width, box.height); if (data->calculate_visibility) { - scene_node_cull_hidden(node, lx, ly, data->visible); + pixman_region32_t opaque; + pixman_region32_init(&opaque); + scene_node_opaque_region(node, lx, ly, &opaque); + pixman_region32_subtract(data->visible, data->visible, &opaque); + pixman_region32_fini(&opaque); } update_node_update_outputs(node, data->outputs, NULL); @@ -1507,7 +1508,20 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) { struct wlr_scene_node *node = list_data[i]; int x, y; wlr_scene_node_coords(node, &x, &y); - scene_node_cull_hidden(node, x, y, &background); + + // We must only cull opaque regions that are visible by the node. + // The node's visibility will have the knowledge of a black rect + // that may have been omitted from the render list via the black + // rect optimization. In order to ensure we don't cull background + // rendering in that black rect region, consider the node's visibility. + pixman_region32_t opaque; + pixman_region32_init(&opaque); + scene_node_opaque_region(node, x, y, &opaque); + pixman_region32_intersect(&opaque, &opaque, &node->visible); + + wlr_region_scale(&opaque, &opaque, scene_output->output->scale); + pixman_region32_subtract(&background, &background, &opaque); + pixman_region32_fini(&opaque); } } |