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