summaryrefslogtreecommitdiff
path: root/Source/DirectFB/lib/voodoo/connection_link.h
diff options
context:
space:
mode:
Diffstat (limited to 'Source/DirectFB/lib/voodoo/connection_link.h')
-rwxr-xr-xSource/DirectFB/lib/voodoo/connection_link.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/Source/DirectFB/lib/voodoo/connection_link.h b/Source/DirectFB/lib/voodoo/connection_link.h
new file mode 100755
index 0000000..328151c
--- /dev/null
+++ b/Source/DirectFB/lib/voodoo/connection_link.h
@@ -0,0 +1,106 @@
+/*
+ (c) Copyright 2001-2011 The world wide DirectFB Open Source Community (directfb.org)
+ (c) Copyright 2000-2004 Convergence (integrated media) GmbH
+
+ All rights reserved.
+
+ Written by Denis Oliver Kropp <dok@directfb.org>,
+ Andreas Hundt <andi@fischlustig.de>,
+ Sven Neumann <neo@directfb.org>,
+ Ville Syrjälä <syrjala@sci.fi> and
+ Claudio Ciccani <klan@users.sf.net>.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __VOODOO__CONNECTION_LINK_H__
+#define __VOODOO__CONNECTION_LINK_H__
+
+#include <voodoo/connection.h>
+
+extern "C" {
+#include <direct/thread.h>
+}
+
+#define VOODOO_CONNECTION_PACKET_NUM_OUTPUT 2
+#define VOODOO_CONNECTION_LINK_INPUT_BUF_MAX ((VOODOO_PACKET_MAX + sizeof(VoodooPacketHeader)) * 1)
+
+
+class VoodooConnectionLink : public VoodooConnection {
+protected:
+ struct {
+ u8 *buffer;
+ size_t start;
+ size_t last;
+ size_t end;
+ size_t max;
+ } input;
+
+ struct {
+ DirectMutex lock;
+ DirectWaitQueue wait;
+ DirectTLS tls;
+ DirectLink *packets;
+
+ VoodooPacket *sending;
+ size_t sent;
+ } output;
+
+public:
+ VoodooConnectionLink( VoodooManager *manager,
+ VoodooLink *link );
+
+ virtual ~VoodooConnectionLink();
+
+
+ virtual VoodooPacket *GetPacket( size_t length );
+ virtual void PutPacket( VoodooPacket *packet,
+ bool flush );
+
+ virtual void Stop ();
+
+
+private:
+ void Flush ( VoodooPacket *packet );
+
+ static void OutputTLS_Destructor( void *ptr );
+
+
+private:
+ friend class Packets;
+
+ class Packets {
+ private:
+ int magic;
+ VoodooConnectionLink *connection;
+ VoodooPacket *packets[VOODOO_CONNECTION_PACKET_NUM_OUTPUT];
+ size_t next;
+ size_t num;
+
+ public:
+ VoodooPacket *active;
+
+ public:
+ Packets( VoodooConnectionLink *connection );
+
+ ~Packets();
+
+ VoodooPacket *Get();
+ };
+};
+
+
+#endif