diff options
Diffstat (limited to 'src/platform/cocoa/window.m')
| -rw-r--r-- | src/platform/cocoa/window.m | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/platform/cocoa/window.m b/src/platform/cocoa/window.m index 1efff59..2f9f8e5 100644 --- a/src/platform/cocoa/window.m +++ b/src/platform/cocoa/window.m @@ -89,6 +89,8 @@ struct cocoa_surface { struct yasl_frame frame; struct yasl_damage_list damage; bool did_present; + /* Extent of the frame in pixels, valid while did_present is set. */ + struct yasl_vector2i shown_size; unsigned idle_frames; bool want_draw; bool frame_due; @@ -1073,6 +1075,7 @@ bool cocoa_surface_present(struct cocoa_surface *w, const struct yasl_framebuffe } yasl_clock_presented(&w->clock, yasl_loop_now_ns(), false); w->did_present = true; + w->shown_size = w->size; return true; } @@ -2198,6 +2201,17 @@ static bool impl_surface_place_under_pointer(struct yasl_surface *s, struct yasl return cocoa_surface_place_under_pointer((struct cocoa_surface *)s, at); } +static bool impl_surface_read_pixels(struct yasl_surface *s, uint32_t *out, size_t cap, + struct yasl_vector2i *size) +{ + struct cocoa_surface *w = (struct cocoa_surface *)s; + /* did_present stays set from the last draw until the next one starts, and + * pixels are reallocated only when a draw starts. */ + if (w->closed || w->rendering || !w->did_present || !w->software_queue || !w->pixels) + return false; + return yasl_copy_frame(w->pixels, w->shown_size, out, cap, size); +} + static bool impl_surface_bell(struct yasl_surface *s) { assert([NSThread isMainThread]); @@ -2266,6 +2280,7 @@ const struct yasl_backend_ops yasl_cocoa_backend = { .surface_drag_carry = impl_surface_drag_carry, .surface_place_under_pointer = impl_surface_place_under_pointer, .surface_bell = impl_surface_bell, + .surface_read_pixels = impl_surface_read_pixels, .display_get_native_handle = impl_display_get_native_handle, .surface_get_native_handle = impl_surface_get_native_handle, .surface_get_native_frame = impl_surface_get_native_frame, |