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compositor: add wlr_surface_set_preferred_buffer_transform()
References: https://gitlab.freedesktop.org/wayland/wayland/-/merge_requests/220
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2 changed files with 28 additions and 0 deletions
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@ -165,6 +165,8 @@ struct wlr_surface {
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bool opaque;
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int32_t preferred_buffer_scale;
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bool preferred_buffer_transform_sent;
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enum wl_output_transform preferred_buffer_transform;
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};
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struct wlr_renderer;
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@ -330,6 +332,15 @@ void wlr_surface_unlock_cached(struct wlr_surface *surface, uint32_t seq);
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void wlr_surface_set_preferred_buffer_scale(struct wlr_surface *surface,
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int32_t scale);
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/**
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* Set the preferred buffer transform for the surface.
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*
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* This sends an event to the client indicating the preferred transform to use
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* for buffers attached to this surface.
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*/
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void wlr_surface_set_preferred_buffer_transform(struct wlr_surface *surface,
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enum wl_output_transform transform);
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/**
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* Create the wl_compositor global, which can be used by clients to create
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* surfaces and regions.
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@ -1106,6 +1106,23 @@ void wlr_surface_set_preferred_buffer_scale(struct wlr_surface *surface,
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surface->preferred_buffer_scale = scale;
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}
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void wlr_surface_set_preferred_buffer_transform(struct wlr_surface *surface,
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enum wl_output_transform transform) {
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if (wl_resource_get_version(surface->resource) <
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WL_SURFACE_PREFERRED_BUFFER_TRANSFORM_SINCE_VERSION) {
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return;
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}
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if (surface->preferred_buffer_transform == transform &&
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surface->preferred_buffer_transform_sent) {
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return;
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}
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wl_surface_send_preferred_buffer_transform(surface->resource, transform);
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surface->preferred_buffer_transform_sent = true;
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surface->preferred_buffer_transform = transform;
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}
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static const struct wl_compositor_interface compositor_impl;
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static struct wlr_compositor *compositor_from_resource(
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