Imported Genode release 11.11

os/include/framebuffer_session/framebuffer_session.h

@@ -0,0 +1,72 @@
+/*
+ * \brief  Framebuffer session interface
+ * \author Norman Feske
+ * \date   2006-07-10
+ */
+
+/*
+ * Copyright (C) 2006-2011 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#ifndef _INCLUDE__FRAMEBUFFER_SESSION__FRAMEBUFFER_SESSION_H_
+#define _INCLUDE__FRAMEBUFFER_SESSION__FRAMEBUFFER_SESSION_H_
+
+#include <dataspace/capability.h>
+#include <session/session.h>
+
+namespace Framebuffer {
+
+	struct Session : Genode::Session
+	{
+		static const char *service_name() { return "Framebuffer"; }
+
+		/**
+		 * Pixel formats
+		 */
+		enum Mode { INVALID, RGB565 };
+
+		virtual ~Session() { }
+
+		/**
+		 * Request dataspace representing the logical frame buffer
+		 */
+		virtual Genode::Dataspace_capability dataspace() = 0;
+
+		/**
+		 * Request current screen mode properties
+		 *
+		 * \param out_w     width of frame buffer
+		 * \param out_h     height of frame buffer
+		 * \param out_mode  pixel format
+		 */
+		virtual void info(int *out_w, int *out_h, Mode *out_mode) = 0;
+
+		/**
+		 * Flush specified pixel region
+		 *
+		 * \param x,y,w,h  region to be updated on physical frame buffer
+		 */
+		virtual void refresh(int x, int y, int w, int h) = 0;
+
+		/**
+		 * Return number of bytes per pixel for a given pixel format
+		 */
+		static Genode::size_t bytes_per_pixel(Mode mode) { return 2; }
+
+
+		/*********************
+		 ** RPC declaration **
+		 *********************/
+
+		GENODE_RPC(Rpc_dataspace, Genode::Dataspace_capability, dataspace);
+		GENODE_RPC(Rpc_info, void, info, int *, int *, Mode *);
+		GENODE_RPC(Rpc_refresh, void, refresh, int, int, int, int);
+
+		GENODE_RPC_INTERFACE(Rpc_dataspace, Rpc_info, Rpc_refresh);
+	};
+}
+
+#endif /* _INCLUDE__FRAMEBUFFER_SESSION__FRAMEBUFFER_SESSION_H_ */