diff options
Diffstat (limited to 'include/wlr')
| -rw-r--r-- | include/wlr/types/wlr_surface.h | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/include/wlr/types/wlr_surface.h b/include/wlr/types/wlr_surface.h index bfbfbcc8..b8f8c02a 100644 --- a/include/wlr/types/wlr_surface.h +++ b/include/wlr/types/wlr_surface.h @@ -17,14 +17,14 @@ #include <wlr/types/wlr_output.h> enum wlr_surface_state_field { - WLR_SURFACE_STATE_BUFFER = 1, - WLR_SURFACE_STATE_SURFACE_DAMAGE = 2, - WLR_SURFACE_STATE_BUFFER_DAMAGE = 4, - WLR_SURFACE_STATE_OPAQUE_REGION = 8, - WLR_SURFACE_STATE_INPUT_REGION = 16, - WLR_SURFACE_STATE_TRANSFORM = 32, - WLR_SURFACE_STATE_SCALE = 64, - WLR_SURFACE_STATE_FRAME_CALLBACK_LIST = 128, + WLR_SURFACE_STATE_BUFFER = 1 << 0, + WLR_SURFACE_STATE_SURFACE_DAMAGE = 1 << 1, + WLR_SURFACE_STATE_BUFFER_DAMAGE = 1 << 2, + WLR_SURFACE_STATE_OPAQUE_REGION = 1 << 3, + WLR_SURFACE_STATE_INPUT_REGION = 1 << 4, + WLR_SURFACE_STATE_TRANSFORM = 1 << 5, + WLR_SURFACE_STATE_SCALE = 1 << 6, + WLR_SURFACE_STATE_FRAME_CALLBACK_LIST = 1 << 7, }; struct wlr_surface_state { @@ -32,7 +32,7 @@ struct wlr_surface_state { struct wl_resource *buffer_resource; int32_t dx, dy; // relative to previous position - pixman_region32_t surface_damage, buffer_damage; + pixman_region32_t surface_damage, buffer_damage; // clipped to bounds pixman_region32_t opaque, input; enum wl_output_transform transform; int32_t scale; @@ -68,11 +68,12 @@ struct wlr_surface { * The last commit's buffer damage, in buffer-local coordinates. This * contains both the damage accumulated by the client via * `wlr_surface_state.surface_damage` and `wlr_surface_state.buffer_damage`. - * If the buffer has changed its size or moved, the whole buffer is - * damaged. + * If the buffer has been resized, the whole buffer is damaged. * * This region needs to be scaled and transformed into output coordinates, - * just like the buffer's texture. + * just like the buffer's texture. In addition, if the buffer has shrunk the + * old size needs to be damaged and if the buffer has moved the old and new + * positions need to be damaged. */ pixman_region32_t buffer_damage; /** @@ -234,4 +235,12 @@ struct wlr_surface *wlr_surface_from_resource(struct wl_resource *resource); void wlr_surface_for_each_surface(struct wlr_surface *surface, wlr_surface_iterator_func_t iterator, void *user_data); +/** + * Get the effective damage to the surface in terms of surface local + * coordinates. This includes damage induced by resizing and moving the + * surface. The damage is not expected to be bounded by the surface itself. + */ +void wlr_surface_get_effective_damage(struct wlr_surface *surface, + pixman_region32_t *damage); + #endif |