sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include <hal.h>
sl@0: #include "sgdriverimpl.h"
sl@0: 
sl@0: 
sl@0: TInt SgMinDataStride(TInt aWidth, TUidPixelFormat aPixelFormat)
sl@0: 	{
sl@0: 	switch (aPixelFormat)
sl@0: 		{
sl@0: 	case EUidPixelFormatXRGB_8888:
sl@0: 	case EUidPixelFormatBGRX_8888:
sl@0: 	case EUidPixelFormatXBGR_8888:
sl@0: 	case EUidPixelFormatBGRA_8888:
sl@0: 	case EUidPixelFormatARGB_8888:
sl@0: 	case EUidPixelFormatABGR_8888:
sl@0: 	case EUidPixelFormatARGB_8888_PRE:
sl@0: 	case EUidPixelFormatABGR_8888_PRE:
sl@0: 	case EUidPixelFormatBGRA_8888_PRE:
sl@0: 	case EUidPixelFormatARGB_2101010:
sl@0: 	case EUidPixelFormatABGR_2101010:
sl@0: 		return aWidth * 4;
sl@0: 	case EUidPixelFormatBGR_888:
sl@0: 	case EUidPixelFormatRGB_888:
sl@0: 		return aWidth * 3;
sl@0: 	case EUidPixelFormatRGB_565:
sl@0: 	case EUidPixelFormatBGR_565:
sl@0: 	case EUidPixelFormatARGB_1555:
sl@0: 	case EUidPixelFormatXRGB_1555:
sl@0: 	case EUidPixelFormatARGB_4444:
sl@0: 	case EUidPixelFormatARGB_8332:
sl@0: 	case EUidPixelFormatBGRX_5551:
sl@0: 	case EUidPixelFormatBGRA_5551:
sl@0: 	case EUidPixelFormatBGRA_4444:
sl@0: 	case EUidPixelFormatBGRX_4444:
sl@0: 	case EUidPixelFormatAP_88:
sl@0: 	case EUidPixelFormatXRGB_4444:
sl@0: 	case EUidPixelFormatXBGR_4444:
sl@0: 		return aWidth * 2;
sl@0: 	case EUidPixelFormatRGB_332:
sl@0: 	case EUidPixelFormatA_8:
sl@0: 	case EUidPixelFormatBGR_332:
sl@0: 	case EUidPixelFormatP_8:
sl@0: 		return aWidth;
sl@0: 	case EUidPixelFormatP_4:
sl@0: 		return (aWidth + 1) / 2;
sl@0: 	case EUidPixelFormatP_2:
sl@0: 		return (aWidth + 3) / 4;
sl@0: 	case EUidPixelFormatP_1:
sl@0: 		return (aWidth + 7) / 8;
sl@0: 	default:
sl@0: 		return KErrNotSupported;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: const TUint32 KSgSupportedConstantSources = ESgUsageDirectGdiSource
sl@0: 	| ESgUsageOpenGlesTexture2D | ESgUsageOpenVgImage | ESgUsageOpenGles2Texture2D | ESgUsageWindowGcSource;
sl@0: const TUint32 KSgSupportedCpuSources = ESgUsageDirectGdiSource | ESgUsageCompositionSource
sl@0: 	| ESgUsageOpenGlesTexture2D | ESgUsageOpenVgImage | ESgUsageOpenGles2Texture2D | ESgUsageWindowGcSource;
sl@0: const TUint32 KSgSupportedOffScreenSources = ESgUsageDirectGdiSource | ESgUsageCompositionSource | ESgUsageScreenSource
sl@0: 	| ESgUsageOpenGlesTexture2D | ESgUsageOpenVgImage | ESgUsageOpenGles2Texture2D | ESgUsageWindowGcSource;
sl@0: 
sl@0: const TUidPixelFormat KSgSupportedOpaqueTargetFormat = EUidPixelFormatXRGB_8888;
sl@0: const TUidPixelFormat KSgSupportedAlphaTargetFormat = EUidPixelFormatARGB_8888_PRE;
sl@0: 
sl@0: #ifdef SYMBIAN_GRAPHICS_USE_NUMA
sl@0: const TSgCpuAccess KSgSupportedOffScreenCpuAccess = ESgCpuAccessNone;
sl@0: #else
sl@0: const TSgCpuAccess KSgSupportedOffScreenCpuAccess = ESgCpuAccessReadWrite;
sl@0: #endif
sl@0: 
sl@0: const TSgPixelFormatTableEntry KSgAnyScreenPixelFormatTableEntries[] =
sl@0: 	{
sl@0: 	// Support for constant images
sl@0: 	{EUidPixelFormatRGB_565,       KSgSupportedConstantSources, ESgCpuAccessNone, KSgScreenIdAny},
sl@0: 	{EUidPixelFormatXRGB_8888,     KSgSupportedConstantSources, ESgCpuAccessNone, KSgScreenIdAny},
sl@0: 	{EUidPixelFormatARGB_8888,     KSgSupportedConstantSources, ESgCpuAccessNone, KSgScreenIdAny},
sl@0: 	{EUidPixelFormatARGB_8888_PRE, KSgSupportedConstantSources, ESgCpuAccessNone, KSgScreenIdAny},
sl@0: 	};
sl@0: 
sl@0: const TSgPixelFormatTableEntry KSgPerScreenPixelFormatTableEntries[] =
sl@0: 	{
sl@0: 	// Support for CPU rendering
sl@0: 	{EUidPixelFormatRGB_565,       KSgSupportedCpuSources, ESgCpuAccessReadWrite, KSgScreenIdMain},
sl@0: 	{EUidPixelFormatXRGB_8888,     KSgSupportedCpuSources, ESgCpuAccessReadWrite, KSgScreenIdMain},
sl@0: 	{EUidPixelFormatARGB_8888,     KSgSupportedCpuSources, ESgCpuAccessReadWrite, KSgScreenIdMain},
sl@0: 	{EUidPixelFormatARGB_8888_PRE, KSgSupportedCpuSources, ESgCpuAccessReadWrite, KSgScreenIdMain},
sl@0: 
sl@0: 	// Support for off-screen rendering
sl@0: 	{KSgSupportedOpaqueTargetFormat, KSgSupportedOffScreenSources|ESgUsageDirectGdiTarget|ESgUsageOpenGlesTarget|ESgUsageOpenGles2Target|ESgUsageOpenVgTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
sl@0: 	{KSgSupportedAlphaTargetFormat,  KSgSupportedOffScreenSources|ESgUsageDirectGdiTarget|ESgUsageOpenGlesTarget|ESgUsageOpenGles2Target|ESgUsageOpenVgTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
sl@0: 	{EUidPixelFormatRGB_565,         KSgSupportedOffScreenSources|ESgUsageDirectGdiTarget|ESgUsageOpenGlesTarget|ESgUsageOpenGles2Target|ESgUsageOpenVgTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
sl@0: 
sl@0: 	{KSgSupportedOpaqueTargetFormat, KSgSupportedOffScreenSources|ESgUsageCompositionTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
sl@0: 	{KSgSupportedAlphaTargetFormat,  KSgSupportedOffScreenSources|ESgUsageCompositionTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
sl@0: 	{EUidPixelFormatRGB_565,         KSgSupportedOffScreenSources|ESgUsageCompositionTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
sl@0: 
sl@0: 	{KSgSupportedOpaqueTargetFormat, KSgSupportedOffScreenSources|ESgUsageEglCopyBuffersTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
sl@0: 	{KSgSupportedAlphaTargetFormat,  KSgSupportedOffScreenSources|ESgUsageEglCopyBuffersTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
sl@0: 	{EUidPixelFormatRGB_565,         KSgSupportedOffScreenSources|ESgUsageEglCopyBuffersTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
sl@0: 	};
sl@0: 
sl@0: 
sl@0: TInt XSgDriverImpl::ConstructPixelFormatTable()
sl@0: 	{
sl@0: 	TInt numberOfScreens;
sl@0: 	TInt err = HAL::Get(HAL::EDisplayNumberOfScreens, numberOfScreens);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	for (TInt i = 0; i < sizeof(KSgAnyScreenPixelFormatTableEntries) / sizeof(TSgPixelFormatTableEntry); ++i)
sl@0: 		{
sl@0: 		RHeap* prevHeap = User::SwitchHeap(iHeap);
sl@0: 		err = iPixelFormatTable.Append(KSgAnyScreenPixelFormatTableEntries[i]);
sl@0: 		User::SwitchHeap(prevHeap);
sl@0: 		if (err != KErrNone)
sl@0: 			{
sl@0: 			return err;
sl@0: 			}
sl@0: 		}
sl@0: 	for (TInt screenId = 0; screenId < numberOfScreens; ++screenId)
sl@0: 		{
sl@0: 		for (TInt i = 0; i < sizeof(KSgPerScreenPixelFormatTableEntries) / sizeof(TSgPixelFormatTableEntry); ++i)
sl@0: 			{
sl@0: 			TSgPixelFormatTableEntry entry = KSgPerScreenPixelFormatTableEntries[i];
sl@0: 			entry.iScreenId = screenId;
sl@0: 			RHeap* prevHeap = User::SwitchHeap(iHeap);
sl@0: 			err = iPixelFormatTable.Append(entry);
sl@0: 			User::SwitchHeap(prevHeap);
sl@0: 			if (err != KErrNone)
sl@0: 				{
sl@0: 				return err;
sl@0: 				}
sl@0: 			}
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}