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buffer: add wlr_client_buffer_get
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2 changed files with 15 additions and 2 deletions
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@ -103,6 +103,11 @@ struct wlr_client_buffer {
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struct wlr_renderer;
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/**
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* Get a client buffer from a generic buffer. If the buffer isn't a client
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* buffer, returns NULL.
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*/
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struct wlr_client_buffer *wlr_client_buffer_get(struct wlr_buffer *buffer);
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/**
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* Check if a resource is a wl_buffer resource.
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*/
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@ -96,10 +96,18 @@ bool wlr_resource_get_buffer_size(struct wl_resource *resource,
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static const struct wlr_buffer_impl client_buffer_impl;
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struct wlr_client_buffer *wlr_client_buffer_get(struct wlr_buffer *buffer) {
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if (buffer->impl != &client_buffer_impl) {
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return NULL;
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}
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return (struct wlr_client_buffer *)buffer;
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}
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static struct wlr_client_buffer *client_buffer_from_buffer(
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struct wlr_buffer *buffer) {
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assert(buffer->impl == &client_buffer_impl);
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return (struct wlr_client_buffer *) buffer;
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struct wlr_client_buffer *client_buffer = wlr_client_buffer_get(buffer);
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assert(client_buffer != NULL);
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return client_buffer;
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}
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static void client_buffer_destroy(struct wlr_buffer *_buffer) {
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