Nuke wlr_client_buffer

This abstraction is incompatible with wlr_raster in every way, let's just
use the client submitted buffers directly. This will regress a couple
of things until wlr_raster has been fully integrated.

include/wlr/types/wlr_buffer.h

@@ -132,50 +132,9 @@ bool wlr_buffer_begin_data_ptr_access(struct wlr_buffer *buffer, uint32_t flags,
 	void **data, uint32_t *format, size_t *stride);
 void wlr_buffer_end_data_ptr_access(struct wlr_buffer *buffer);
 
-/**
- * A client buffer.
- */
-struct wlr_client_buffer {
-	struct wlr_buffer base;
-
-	/**
-	 * The buffer's texture, if any. A buffer will not have a texture if the
-	 * client destroys the buffer before it has been released.
-	 */
-	struct wlr_texture *texture;
-	/**
-	 * The buffer this client buffer was created from. NULL if destroyed.
-	 */
-	struct wlr_buffer *source;
-
-	// private state
-
-	struct wl_listener source_destroy;
-};
-
-/**
- * Creates a struct wlr_client_buffer from a given struct wlr_buffer by creating
- * a texture from it, and copying its struct wl_resource.
- */
-struct wlr_client_buffer *wlr_client_buffer_create(struct wlr_buffer *buffer,
-	struct wlr_renderer *renderer);
-
-/**
- * Get a client buffer from a generic buffer. If the buffer isn't a client
- * buffer, returns NULL.
- */
-struct wlr_client_buffer *wlr_client_buffer_get(struct wlr_buffer *buffer);
 /**
  * Check if a resource is a wl_buffer resource.
  */
 bool wlr_resource_is_buffer(struct wl_resource *resource);
-/**
- * Try to update the buffer's content.
- *
- * Fails if there's more than one reference to the buffer or if the texture
- * isn't mutable.
- */
-bool wlr_client_buffer_apply_damage(struct wlr_client_buffer *client_buffer,
-	struct wlr_buffer *next, pixman_region32_t *damage);
 
 #endif

include/wlr/types/wlr_compositor.h

@@ -89,13 +89,6 @@ struct wlr_surface_output {
 struct wlr_surface {
 	struct wl_resource *resource;
 	struct wlr_renderer *renderer;
-	/**
-	 * The surface's buffer, if any. A surface has an attached buffer when it
-	 * commits with a non-null buffer in its pending state. A surface will not
-	 * have a buffer if it has never committed one, has committed a null buffer,
-	 * or something went wrong with uploading the buffer.
-	 */
-	struct wlr_client_buffer *buffer;
 	/**
 	 * The buffer position, in surface-local units.
 	 */
@@ -199,13 +192,6 @@ bool wlr_surface_set_role(struct wlr_surface *surface,
  */
 bool wlr_surface_has_buffer(struct wlr_surface *surface);
 
-/**
- * Get the texture of the buffer currently attached to this surface. Returns
- * NULL if no buffer is currently attached or if something went wrong with
- * uploading the buffer.
- */
-struct wlr_texture *wlr_surface_get_texture(struct wlr_surface *surface);
-
 /**
  * Get the root of the subsurface tree for this surface. Can return NULL if
  * a surface in the tree has been destroyed.