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render: use output backend to get renderer

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This prevents a segfault when shutting down during startup, when a
client is passed that doesn't spawn a window.

It also brings us one step closer to not having to have a pointer to the
backend in cg_server.
This commit is contained in:
Jente Hidskes 2020-01-26 01:08:59 +01:00
parent 8a6d16391f
commit 8069893b0d
1 changed files with 6 additions and 1 deletions
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7
render.c
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@ -149,7 +149,12 @@ output_render(struct cg_output *output, pixman_region32_t *damage)
struct cg_server *server = output->server; struct cg_server *server = output->server;
struct wlr_output *wlr_output = output->wlr_output; struct wlr_output *wlr_output = output->wlr_output;
struct wlr_renderer *renderer = wlr_backend_get_renderer(server->backend); struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
if (!renderer) {
wlr_log(WLR_DEBUG, "Expected the output backend to have a renderer");
return;
}
wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height); wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
if (!pixman_region32_not_empty(damage)) { if (!pixman_region32_not_empty(damage)) {