diff -r 000000000000 -r 5d03bc08d59c graphicsdeviceinterface/screendriver/smomap/accelhard.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graphicsdeviceinterface/screendriver/smomap/accelhard.cpp Tue Feb 02 01:47:50 2010 +0200 @@ -0,0 +1,63 @@ +// Copyright (c) 2003-2009 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 "GraphicsAccelerator.h" + +LOCAL_D const TGraphicsAcceleratorCaps HardwareAcceleratorCapabilities = +{ + sizeof(TGraphicsAcceleratorCaps), //TInt iStructureSize; // The size of this class + 1, //TInt iVersion; // == 1 to specify current API + {0} //Tint iVendorUid; // Optional ID + // Default values of zero... +}; + +EXPORT_C CHardwareGraphicsAccelerator* CHardwareGraphicsAccelerator::NewL(RHardwareBitmap /*aBitmap*/) +/** +Allocates and constructs an instance of a derived class and initialises its +capabilities. + +@param aBitmap The hardware bitmap for the accelerator to draw to. +@return Pointer to the initialised graphics accelerator object. +@see TGraphicsAcceleratorCaps::iDisplayModes +@leave KErrNoMemory There is no memory to allocate the graphics accelerator + KErrNotSupported There is no graphics accelerator supporting the display mode given by the bitmap parameter +*/ + { + User::Leave(KErrNotSupported) ; + return NULL ; + } + +EXPORT_C const TGraphicsAcceleratorCaps* CHardwareGraphicsAccelerator::GenericCapabilities() +/** +Gets the generic capabilities of the accelerator, including which display modes +are supported for the bitmap passed to NewL(). + +Generic capabilities apply to all hardware graphics accelerators on the device. +The function is static, so it can be used to find out the capabilities of +graphics accelerators before deciding on whether or not to create one. + +The CGraphicsAccelerator::Capabilities() function provides information about +the capabilities of a particular graphics accelerator. + +As capabilities may vary depending on the display mode of a bitmap, this method +should indicate as supported any features which are only available in some +display modes. + +@return Generic capabilities for hardware graphics accelerators. +*/ + { + return &HardwareAcceleratorCapabilities ; + } +