--- a/graphicshwdrivers/surfacemgr/src/surfacemanagerdriver.cpp Fri Aug 13 15:11:40 2010 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,226 +0,0 @@
-// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
-// All rights reserved.
-// This component and the accompanying materials are made available
-// under the terms of "Eclipse Public License v1.0"
-// which accompanies this distribution, and is available
-// at the URL "http://www.eclipse.org/legal/epl-v10.html".
-//
-// Initial Contributors:
-// Nokia Corporation - initial contribution.
-//
-// Contributors:
-//
-// Description:
-//
-
-
-#include <kernel/kern_priv.h>
-#include <graphics/surfacemanager.h>
-#include "surfacemanager_dev.h"
-
-
-
-
-DECLARE_EXTENSION_LDD()
- {
- return new DSurfaceManagerFactory;
- }
-
-static DSurfaceManager Manager;
-
-
-
-DSurfaceManagerFactory::DSurfaceManagerFactory()
- {
- // Set version number for this device
- iVersion=RSurfaceManagerDriver::VersionRequired();
-
- iParseMask=0;
- }
-
-TInt DSurfaceManagerFactory::Install()
- {
- return SetName(&RSurfaceManagerDriver::Name());
- }
-
-
-/**
- Called by the kernel's device driver framework to create a Logical Channel.
- This is called in the context of the user thread (client) which requested the creation of a Logical Channel
- (E.g. through a call to RBusLogicalChannel::DoCreate)
- The thread is in a critical section.
-
- @param aChannel Set to point to the created Logical Channel
-
- @return KErrNone if successful, otherwise one of the other system wide error codes.
-*/
-TInt DSurfaceManagerFactory::Create(DLogicalChannelBase*& aChannel)
- {
- aChannel=new DSurfaceManagerChannel();
- if(!aChannel)
- return KErrNoMemory;
- return KErrNone;
- }
-
-
-
-/**
- Return the drivers capabilities.
- Called in the response to an RDevice::GetCaps() request.
-
- @param aDes User-side descriptor to write capabilities information into
-*/
-void DSurfaceManagerFactory::GetCaps(TDes8& aDes) const
- {
- // Create a capabilities object
- RSurfaceManagerDriver::TCaps caps;
- caps.iVersion = iVersion;
- // Write it back to user memory
- Kern::InfoCopy(aDes,reinterpret_cast<TUint8*>(&caps),sizeof(caps));
- }
-
-
-
-DSurfaceManagerChannel::DSurfaceManagerChannel()
- {
- TRACE(Kern::Printf("SurfaceManagerChannel Creation");)
- }
-
-
-/**
-Channel destructor.
-Called when the process owning the channel has died or closed the channel.
-Calls the manager object to indicate that the process has closed a session so it
-can cleanup the surfaces which are only owned by that process if it has no further connections.
-*/
-DSurfaceManagerChannel::~DSurfaceManagerChannel()
- {
- Manager.RemoveConnection(iOwner);
- }
-
-
-/**
- Second stage constructor called by the kernel's device driver framework.
- This is called in the context of the user thread (client) which requested the creation of a Logical Channel
- (E.g. through a call to RBusLogicalChannel::DoCreate)
- The thread is in a critical section.
-
- @param aUnit The unit argument supplied by the client to RBusLogicalChannel::DoCreate
- @param aInfo The info argument supplied by the client to RBusLogicalChannel::DoCreate
- @param aVer The version argument supplied by the client to RBusLogicalChannel::DoCreate
-
- @return KErrNone if successful, otherwise one of the other system wide error codes.
-*/
-TInt DSurfaceManagerChannel::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& aVer)
- {
- // Check version
- if (!Kern::QueryVersionSupported(RSurfaceManagerDriver::VersionRequired(),aVer))
- return KErrNotSupported;
-
- iOwner = &Kern::CurrentProcess();
- TInt ret = Manager.AddConnection(iOwner);
- if (ret != KErrNone)
- iOwner = NULL;
-
- return ret;
- }
-
-
-
-/**
- Process a request on this logical channel.
-
- @param aReqNo Request number:
- ==KMaxTInt, a 'DoCancel' message
- >=0, a 'DoControl' message with function number equal to iValue
- <0, a 'DoRequest' message with function number equal to ~iValue
- @param a1 First argument. For DoRequest requests this is a pointer to the TRequestStatus.
- @param a2 Second argument. For DoRequest this is a pointer to the 2 actual TAny* arguments.
-
- @return Result ignored by device driver framework for DoRequest requests.
-*/
-TInt DSurfaceManagerChannel::Request(TInt aReqNo, TAny* a1, TAny* a2)
- {
- // Decode the message type and dispatch it to the relevent handler function...
- // only using synchronous control messages
- if (static_cast<TUint>(aReqNo) < static_cast<TUint>(KMaxTInt))
- {
- return DoControl(aReqNo, a1, a2);
- }
-
- return KErrNotSupported;
- }
-
-/**
- Process synchronous 'control' requests
-*/
-TInt DSurfaceManagerChannel::DoControl(TInt aFunction, TAny* a1, TAny* a2)
- {
- TRACE(Kern::Printf(">DSurfaceManagerChannel::DoControl fn=%d process = %u\n",aFunction, iOwner);)
-
- TInt r;
- switch(aFunction)
- {
- case RSurfaceManagerDriver::EControlCreateSurface:
- r = Manager.CreateSurface(reinterpret_cast<const TDesC8*>(a1), reinterpret_cast<TSurfaceId*>(a2));
- break;
-
- case RSurfaceManagerDriver::EControlOpenSurface:
- r = Manager.OpenSurface(reinterpret_cast<TSurfaceId*>(a1));
- break;
-
- case RSurfaceManagerDriver::EControlCloseSurface:
- r = Manager.CloseSurface(reinterpret_cast<TSurfaceId*>(a1));
- break;
-
- case RSurfaceManagerDriver::EControlAccessSurfaceData:
- r = Manager.MapSurface(reinterpret_cast<TSurfaceId*>(a1));
- break;
-
- case RSurfaceManagerDriver::EControlSurfaceInfo:
- r = Manager.SurfaceInfo(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<TDes8*>(a2));
- break;
-
- case RSurfaceManagerDriver::EControlCreateSurfaceEx:
- r = Manager.CreateSurface(reinterpret_cast<RSurfaceManagerDriver::TDeviceParam*>(a1), (TInt)a2);
- break;
-
- case RSurfaceManagerDriver::EControlSynchronizeCache:
- r = Manager.SynchronizeCache(reinterpret_cast<RSurfaceManagerDriver::TDeviceParam*>(a1), (RSurfaceManager::TSyncOperation&)a2);
- break;
-
- case RSurfaceManagerDriver::EControlGetSurfaceHint:
- r = Manager.GetSurfaceHint(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<RSurfaceManager::THintPair*>(a2));
- break;
-
- case RSurfaceManagerDriver::EControlSetSurfaceHint:
- r = Manager.SetSurfaceHint(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<const RSurfaceManager::THintPair*>(a2));
- break;
-
- case RSurfaceManagerDriver::EControlAddSurfaceHint:
- r = Manager.AddSurfaceHint(reinterpret_cast<TSurfaceId*>(a1), reinterpret_cast<const RSurfaceManager::THintPair*>(a2));
- break;
- case RSurfaceManagerDriver::EControlGetBufferOffset:
- r = Manager.GetBufferOffset(reinterpret_cast<RSurfaceManagerDriver::TDeviceParam*>(a1),reinterpret_cast<TUint*>(a2));
- break;
- case RSurfaceManagerDriver::EControlGetSurfaceManagerAttrib:
- r = Manager.GetSurfaceManagerAttrib(reinterpret_cast<RSurfaceManager::TSurfaceManagerAttrib*>(a1),reinterpret_cast<TInt*>(a2));
- break;
- default:
- r = KErrNotSupported;
- break;
- }
- TRACE(Kern::Printf("<SurfaceManagerChannel::DoControl result=%d\n",r);)
- return r;
- }
-
-
-
-DECLARE_STANDARD_EXTENSION()
- {
- //called when kernel extension is loaded
- //initialise the kernel extension
- TRACE(Kern::Printf("<SurfaceManager Extension entry point\n");)
- return KErrNone;
- }
-