fbs/fontandbitmapserver/sfbs/patchableconstantscli.cpp
changeset 0 5d03bc08d59c
child 36 01a6848ebfd7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fbs/fontandbitmapserver/sfbs/patchableconstantscli.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,95 @@
+// Copyright (c) 2007-2009 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:
+// Defines all the patchable constants in fbscli.dll.
+// The definition of the constants must not be in the same file as the usage,
+// or the compiler will optimise them out, so put them all in here.
+// Note that existing patchable constants are declared as global,
+// i.e. not in a namespace, so I have continued the trend.
+// 
+//
+
+#include <e32def.h>
+
+
+/**
+@SYMPatchable
+@publishedPartner
+@released
+
+This constant determines the granularity of the section of contiguous committed memory
+at the beginning of the large bitmap chunk. This granularity equals the memory page size
+multiplied by 2 to the power of the value of the constant.
+@note	Default value: 1 (2x)
+*/
+EXPORT_C extern const TInt KFbServLargeChunkGrowByShifter = 1;
+
+/**
+@SYMPatchable
+@publishedPartner
+@released
+
+This constant, together with <code>KFbServLargeChunkMinVirtualSize</code> and
+<code>KFbServLargeChunkMaxVirtualSize</code>, determines the size of the virtual
+address range reserved for the large bitmap chunk. Between a minimum and a maximum,
+the size of this virtual address range equals the amount of physical RAM memory
+multiplied by 2 to the power of the value of the constant.
+@note	Default value: 2 (4x)
+*/
+EXPORT_C extern const TInt KFbServLargeChunkSizeShifter = 2;
+
+/**
+@SYMPatchable
+@publishedPartner
+@released
+
+This constant defines the minimum amount of physical memory committed to the large bitmap chunk.
+@note	Default value: 16KB (0x4000)
+*/
+EXPORT_C extern const TInt KFbServLargeChunkMinPhysicalSize = 0x4000;
+
+/**
+@SYMPatchable
+@publishedPartner
+@released
+
+This constant defines the minimum size of the virtual address range reserved for the large bitmap chunk.
+@note	Default value: 64MB (0x04000000)
+*/
+EXPORT_C extern const TInt KFbServLargeChunkMinVirtualSize = 0x04000000;
+
+/**
+@SYMPatchable
+@publishedPartner
+@released
+
+This constant defines the maximum size of the virtual address range reserved for the large bitmap chunk.
+@note	Default value: 256MB (0x10000000)
+*/
+#ifdef __WINS__
+EXPORT_C extern const TInt KFbServLargeChunkMaxVirtualSize = 0x8000000;
+#else
+EXPORT_C extern const TInt KFbServLargeChunkMaxVirtualSize = 0x10000000;
+#endif
+
+// Header files declaring these constants are included to confirm that the definitions match.
+// They are included at the end because otherwise the ARM compiler refuses to initialise the values.
+
+#if (__ARMCC_VERSION >= 310000)
+//#	include "UTILS.H"	// Commented out to prevent warning dllexport/dllimport conflict
+#else
+#	include "UTILS.H"
+#endif
+
+
+