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https://github.com/hyprwm/wlroots-hyprland.git
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backend: automatically create renderer
If a backend accepts buffers (as indicated by get_buffer_caps) but doesn't implement get_renderer, automatically create a renderer.
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2 changed files with 28 additions and 0 deletions
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@ -15,6 +15,7 @@
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#include <wlr/backend/session.h>
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#include <wlr/backend/wayland.h>
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#include <wlr/config.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/util/log.h>
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#include "backend/backend.h"
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#include "backend/multi.h"
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@ -35,6 +36,7 @@ void wlr_backend_init(struct wlr_backend *backend,
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void wlr_backend_finish(struct wlr_backend *backend) {
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wlr_signal_emit_safe(&backend->events.destroy, backend);
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wlr_renderer_destroy(backend->renderer);
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}
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bool wlr_backend_start(struct wlr_backend *backend) {
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@ -56,10 +58,32 @@ void wlr_backend_destroy(struct wlr_backend *backend) {
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}
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}
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static bool backend_create_renderer(struct wlr_backend *backend) {
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if (backend->renderer != NULL) {
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return true;
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}
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backend->renderer = wlr_renderer_autocreate(backend);
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if (backend->renderer == NULL) {
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return false;
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}
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return true;
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}
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struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend) {
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if (backend->impl->get_renderer) {
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return backend->impl->get_renderer(backend);
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}
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if (backend_get_buffer_caps(backend) != 0) {
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// If the backend is capable of presenting buffers, automatically create
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// the renderer if necessary.
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if (!backend_create_renderer(backend)) {
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wlr_log(WLR_ERROR, "Failed to create backend renderer");
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return NULL;
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}
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return backend->renderer;
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}
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return NULL;
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}
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@ -25,6 +25,10 @@ struct wlr_backend {
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/** Raised when new outputs are added, passed the wlr_output */
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struct wl_signal new_output;
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} events;
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// Private state
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struct wlr_renderer *renderer;
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};
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/**
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