--- a/graphicshwdrivers/surfacemgr/src/surfacemanager_dev.h Fri Aug 13 15:11:40 2010 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,169 +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:
-//
-
-/**
- @file
- @publishedPartner
- @prototype
-*/
-
-#ifndef __SURFACEMANAGER_DEV_H__
-#define __SURFACEMANAGER_DEV_H__
-
-#include <graphics/surface.h>
-#include "surfacemanagerdriver.h"
-
-#if 0
-#define TRACE(x) x
-#else
-#define TRACE(x)
-#endif
-
-/** Maximum number of HintPairs per surface */
-const TInt KMaxHintsPerSurface = 16;
-
-/** Maximum number of elements in the table. This value must be a power of 2 */
-#define KMaxLists 16
-
-/**
- Logical Device (factory class) for Surface manager
-*/
-class DSurfaceManagerFactory : public DLogicalDevice
- {
-public:
- DSurfaceManagerFactory();
- TInt Install();
- void GetCaps(TDes8& aDes) const;
- TInt Create(DLogicalChannelBase*& aChannel);
- };
-
-
-/**
- Logical Channel class for SurfaceManager
-*/
-class DSurfaceManagerChannel : public DLogicalChannelBase
- {
-public:
- DSurfaceManagerChannel();
- ~DSurfaceManagerChannel();
-
- // Inherited from DLogicalChannelBase
- TInt DoCreate(TInt aUnit, const TDesC8* aInfo, const TVersion& aVer);
- TInt Request(TInt aReqNo, TAny* a1, TAny* a2);
-private:
- // Implementation for the different kinds of messages sent through RBusLogicalChannel
- TInt DoControl(TInt aFunction, TAny* a1, TAny* a2);
-
-private:
- DProcess* iOwner;
- };
-
-
-/**
-Class to hold a reference count and process pointer.
-Each surface has a linked list of these owning processes.
-The surface manager has a linked list of these to track connections.
-@internalTechnology
-*/
-class TProcessListItem
- {
-public:
- TProcessListItem* iNext; //pointer to next one in list
- DProcess* iOwningProcess; //pointer to the process object which is being reference counted
- TInt iCount; //reference count
- };
-
-
-/**
-Class to hold the information about a surface.
-Each surface has a linked list of owners. The surfaces are arranged in a linked list,
-with these objects being elements in the list.
-@internalTechnology
-*/
-class TSurface //one of these per surface
- {
-public:
- TSurface* iNext; //singly linked list, points to next surface
- TSurfaceId iId; //the surface id
- TSize iSize; //pixel width/height
- TInt iBuffers; //number of buffers
- TUidPixelFormat iPixelFormat; //pixel format
- TInt iStride; //offset from start of one line to the next, in bytes
- TInt iOffsetToFirstBuffer; //offset between the start of the surface memory and the start of the first pixel buffer
- TInt iOffsetBetweenBuffers; //offset between pixel buffers
- TInt iAlignment; //byte alignment of the pixel buffers
- TBool iContiguous; //if it is in contiguous physical memory
- DChunk* iChunk; //ptr to the shared chunk
- RSurfaceManager::TCacheAttribute iCacheAttrib; //Caching attribute to create chunks memory
- RSurfaceManager::THintPair iSurfaceHints[KMaxHintsPerSurface]; //Arbitrary key-value pairs associated with a surface
- TBool iMappable; //Is the Surface Mappable
- TProcessListItem* iOwners; //owner list. Singly linked list, points to next surface owner
-
-public:
- TProcessListItem* ProcessOwnerInfo(const DProcess* aProcess);
- };
-
-
-
-
-/**
-Surface manager extension object.
-There is one static instance of this in the kernel extension.
-@internalTechnology
-*/
-class DSurfaceManager : public DBase
- {
-public:
- TInt CreateSurface(const TDesC8* aConfig, TSurfaceId* aId);
- TInt SurfaceInfo(const TSurfaceId* aId, TDes8* aInfo);
- TInt OpenSurface(const TSurfaceId* aId);
- TInt CloseSurface(const TSurfaceId* aId);
- TInt MapSurface(const TSurfaceId* aId);
- TInt AddConnection(const DProcess* iProcess);
- void RemoveConnection(const DProcess* iProcess);
- TInt CreateSurface(RSurfaceManagerDriver::TDeviceParam* aParam, TInt aChunkHandle);
- TInt SynchronizeCache(RSurfaceManagerDriver::TDeviceParam* aId, RSurfaceManager::TSyncOperation aOperation);
- TInt GetSurfaceHint(const TSurfaceId* aSurfaceId, RSurfaceManager::THintPair* aHintPair);
- TInt SetSurfaceHint(const TSurfaceId* aSurfaceId, const RSurfaceManager::THintPair* aHintPair);
- TInt AddSurfaceHint(const TSurfaceId* aSurfaceId, const RSurfaceManager::THintPair* aHintPair);
- TInt GetBufferOffset(RSurfaceManagerDriver::TDeviceParam* aParam,TUint* aOffset);
- TInt GetSurfaceManagerAttrib(RSurfaceManager::TSurfaceManagerAttrib* aAttrib,TInt* aValue);
-private:
- void GenerateSurfaceId(TSurfaceId& aId);
- TInt CreateSurfaceChunk(const RSurfaceManager::TSurfaceCreationAttributes& attribs);
- TInt ValidateAndCalculateChunkSize(RSurfaceManager::TSurfaceCreationAttributes& aAttribs, TInt& aOffset,
- TUint& aActualBufferSize, const TBool aNewChunk = EFalse);
- TInt ValidatePhysicalMemory(DChunk* aChunk, const RSurfaceManager::TSurfaceCreationAttributes& aAttribs,
- TUint aBuffersize, TUint32& aMapAttr, TBool &aIsContiguous);
- TSurface* FindSurfaceById(const TSurfaceId& aId);
- void CloseSurfaceHandlesForProcess(const DProcess* iProcess);
- TProcessListItem* FindConnectedProcess(const DProcess* aProcess);
- TInt FindHintKey(const RSurfaceManager::THintPair* aHints, TUint32 aKey) const;
- TBool SortHints(RSurfaceManager::THintPair* aHints, TInt aNumberOfHints) const;
- TInt InsertHintKey(RSurfaceManager::THintPair* aHints, const RSurfaceManager::THintPair& aHintPair) const;
-
-private:
- TSurface* iSurfacesIndex[KMaxLists]; // A table with elements pointing to the head of each singly linked list
- NFastMutex iMutex; // Mutex to protect access to surface lists
- TProcessListItem* iConnectedProcesses; //reference counted list of processes connected to the driver
- };
-
-
-#endif
-
-
-
-
-