render: add wlr_renderer_init_wl_shm

This allows compositors to initialize wl_shm without initializing
other globals like linux-dmabuf.

1 files changed, 7 insertions, 1 deletions

diff --git a/include/wlr/render/wlr_renderer.h b/include/wlr/render/wlr_renderer.h
index bae2fa97..d8b04dc7 100644
--- a/include/wlr/render/wlr_renderer.h
+++ b/include/wlr/render/wlr_renderer.h
@@ -99,7 +99,7 @@ bool wlr_renderer_read_pixels(struct wlr_renderer *r, uint32_t fmt,
 	uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y, void *data);
 
 /**
- * Creates necessary shm and invokes the initialization of the implementation.
+ * Initializes wl_shm, linux-dmabuf and other buffer factory protocols.
  *
  * Returns false on failure.
  */
@@ -107,6 +107,12 @@ bool wlr_renderer_init_wl_display(struct wlr_renderer *r,
 	struct wl_display *wl_display);
 
 /**
+ * Initializes wl_shm on the provided wl_display.
+ */
+bool wlr_renderer_init_wl_shm(struct wlr_renderer *r,
+	struct wl_display *wl_display);
+
+/**
  * Obtains the FD of the DRM device used for rendering, or -1 if unavailable.
  *
  * The caller doesn't have ownership of the FD, it must not close it.