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compositor: add wlr_surface_set_preferred_buffer_scale()
References: https://gitlab.freedesktop.org/wayland/wayland/-/merge_requests/220
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2 changed files with 29 additions and 1 deletions
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@ -163,6 +163,8 @@ struct wlr_surface {
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} previous;
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bool opaque;
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int32_t preferred_buffer_scale;
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};
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struct wlr_renderer;
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@ -319,6 +321,15 @@ uint32_t wlr_surface_lock_pending(struct wlr_surface *surface);
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*/
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void wlr_surface_unlock_cached(struct wlr_surface *surface, uint32_t seq);
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/**
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* Set the preferred buffer scale for the surface.
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*
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* This sends an event to the client indicating the preferred scale to use for
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* buffers attached to this surface.
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*/
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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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* Create the wl_compositor global, which can be used by clients to create
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* surfaces and regions.
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@ -15,7 +15,7 @@
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#include "types/wlr_subcompositor.h"
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#include "util/time.h"
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#define COMPOSITOR_VERSION 5
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#define COMPOSITOR_VERSION 6
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#define CALLBACK_VERSION 1
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static int min(int fst, int snd) {
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@ -1089,6 +1089,23 @@ void wlr_surface_get_buffer_source_box(struct wlr_surface *surface,
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}
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}
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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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assert(scale > 0);
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if (wl_resource_get_version(surface->resource) <
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WL_SURFACE_PREFERRED_BUFFER_SCALE_SINCE_VERSION) {
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return;
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}
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if (surface->preferred_buffer_scale == scale) {
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return;
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}
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wl_surface_send_preferred_buffer_scale(surface->resource, scale);
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surface->preferred_buffer_scale = scale;
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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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