os/graphics/graphicsresourceservices/graphicsresourceadaptation/src/sgpixelformats.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/graphicsresourceservices/graphicsresourceadaptation/src/sgpixelformats.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,152 @@
1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#include <hal.h>
1.20 +#include "sgdriverimpl.h"
1.21 +
1.22 +
1.23 +TInt SgMinDataStride(TInt aWidth, TUidPixelFormat aPixelFormat)
1.24 + {
1.25 + switch (aPixelFormat)
1.26 + {
1.27 + case EUidPixelFormatXRGB_8888:
1.28 + case EUidPixelFormatBGRX_8888:
1.29 + case EUidPixelFormatXBGR_8888:
1.30 + case EUidPixelFormatBGRA_8888:
1.31 + case EUidPixelFormatARGB_8888:
1.32 + case EUidPixelFormatABGR_8888:
1.33 + case EUidPixelFormatARGB_8888_PRE:
1.34 + case EUidPixelFormatABGR_8888_PRE:
1.35 + case EUidPixelFormatBGRA_8888_PRE:
1.36 + case EUidPixelFormatARGB_2101010:
1.37 + case EUidPixelFormatABGR_2101010:
1.38 + return aWidth * 4;
1.39 + case EUidPixelFormatBGR_888:
1.40 + case EUidPixelFormatRGB_888:
1.41 + return aWidth * 3;
1.42 + case EUidPixelFormatRGB_565:
1.43 + case EUidPixelFormatBGR_565:
1.44 + case EUidPixelFormatARGB_1555:
1.45 + case EUidPixelFormatXRGB_1555:
1.46 + case EUidPixelFormatARGB_4444:
1.47 + case EUidPixelFormatARGB_8332:
1.48 + case EUidPixelFormatBGRX_5551:
1.49 + case EUidPixelFormatBGRA_5551:
1.50 + case EUidPixelFormatBGRA_4444:
1.51 + case EUidPixelFormatBGRX_4444:
1.52 + case EUidPixelFormatAP_88:
1.53 + case EUidPixelFormatXRGB_4444:
1.54 + case EUidPixelFormatXBGR_4444:
1.55 + return aWidth * 2;
1.56 + case EUidPixelFormatRGB_332:
1.57 + case EUidPixelFormatA_8:
1.58 + case EUidPixelFormatBGR_332:
1.59 + case EUidPixelFormatP_8:
1.60 + return aWidth;
1.61 + case EUidPixelFormatP_4:
1.62 + return (aWidth + 1) / 2;
1.63 + case EUidPixelFormatP_2:
1.64 + return (aWidth + 3) / 4;
1.65 + case EUidPixelFormatP_1:
1.66 + return (aWidth + 7) / 8;
1.67 + default:
1.68 + return KErrNotSupported;
1.69 + }
1.70 + }
1.71 +
1.72 +
1.73 +const TUint32 KSgSupportedConstantSources = ESgUsageDirectGdiSource
1.74 + | ESgUsageOpenGlesTexture2D | ESgUsageOpenVgImage | ESgUsageOpenGles2Texture2D | ESgUsageWindowGcSource;
1.75 +const TUint32 KSgSupportedCpuSources = ESgUsageDirectGdiSource | ESgUsageCompositionSource
1.76 + | ESgUsageOpenGlesTexture2D | ESgUsageOpenVgImage | ESgUsageOpenGles2Texture2D | ESgUsageWindowGcSource;
1.77 +const TUint32 KSgSupportedOffScreenSources = ESgUsageDirectGdiSource | ESgUsageCompositionSource | ESgUsageScreenSource
1.78 + | ESgUsageOpenGlesTexture2D | ESgUsageOpenVgImage | ESgUsageOpenGles2Texture2D | ESgUsageWindowGcSource;
1.79 +
1.80 +const TUidPixelFormat KSgSupportedOpaqueTargetFormat = EUidPixelFormatXRGB_8888;
1.81 +const TUidPixelFormat KSgSupportedAlphaTargetFormat = EUidPixelFormatARGB_8888_PRE;
1.82 +
1.83 +#ifdef SYMBIAN_GRAPHICS_USE_NUMA
1.84 +const TSgCpuAccess KSgSupportedOffScreenCpuAccess = ESgCpuAccessNone;
1.85 +#else
1.86 +const TSgCpuAccess KSgSupportedOffScreenCpuAccess = ESgCpuAccessReadWrite;
1.87 +#endif
1.88 +
1.89 +const TSgPixelFormatTableEntry KSgAnyScreenPixelFormatTableEntries[] =
1.90 + {
1.91 + // Support for constant images
1.92 + {EUidPixelFormatRGB_565, KSgSupportedConstantSources, ESgCpuAccessNone, KSgScreenIdAny},
1.93 + {EUidPixelFormatXRGB_8888, KSgSupportedConstantSources, ESgCpuAccessNone, KSgScreenIdAny},
1.94 + {EUidPixelFormatARGB_8888, KSgSupportedConstantSources, ESgCpuAccessNone, KSgScreenIdAny},
1.95 + {EUidPixelFormatARGB_8888_PRE, KSgSupportedConstantSources, ESgCpuAccessNone, KSgScreenIdAny},
1.96 + };
1.97 +
1.98 +const TSgPixelFormatTableEntry KSgPerScreenPixelFormatTableEntries[] =
1.99 + {
1.100 + // Support for CPU rendering
1.101 + {EUidPixelFormatRGB_565, KSgSupportedCpuSources, ESgCpuAccessReadWrite, KSgScreenIdMain},
1.102 + {EUidPixelFormatXRGB_8888, KSgSupportedCpuSources, ESgCpuAccessReadWrite, KSgScreenIdMain},
1.103 + {EUidPixelFormatARGB_8888, KSgSupportedCpuSources, ESgCpuAccessReadWrite, KSgScreenIdMain},
1.104 + {EUidPixelFormatARGB_8888_PRE, KSgSupportedCpuSources, ESgCpuAccessReadWrite, KSgScreenIdMain},
1.105 +
1.106 + // Support for off-screen rendering
1.107 + {KSgSupportedOpaqueTargetFormat, KSgSupportedOffScreenSources|ESgUsageDirectGdiTarget|ESgUsageOpenGlesTarget|ESgUsageOpenGles2Target|ESgUsageOpenVgTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
1.108 + {KSgSupportedAlphaTargetFormat, KSgSupportedOffScreenSources|ESgUsageDirectGdiTarget|ESgUsageOpenGlesTarget|ESgUsageOpenGles2Target|ESgUsageOpenVgTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
1.109 + {EUidPixelFormatRGB_565, KSgSupportedOffScreenSources|ESgUsageDirectGdiTarget|ESgUsageOpenGlesTarget|ESgUsageOpenGles2Target|ESgUsageOpenVgTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
1.110 +
1.111 + {KSgSupportedOpaqueTargetFormat, KSgSupportedOffScreenSources|ESgUsageCompositionTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
1.112 + {KSgSupportedAlphaTargetFormat, KSgSupportedOffScreenSources|ESgUsageCompositionTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
1.113 + {EUidPixelFormatRGB_565, KSgSupportedOffScreenSources|ESgUsageCompositionTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
1.114 +
1.115 + {KSgSupportedOpaqueTargetFormat, KSgSupportedOffScreenSources|ESgUsageEglCopyBuffersTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
1.116 + {KSgSupportedAlphaTargetFormat, KSgSupportedOffScreenSources|ESgUsageEglCopyBuffersTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
1.117 + {EUidPixelFormatRGB_565, KSgSupportedOffScreenSources|ESgUsageEglCopyBuffersTarget, KSgSupportedOffScreenCpuAccess, KSgScreenIdMain},
1.118 + };
1.119 +
1.120 +
1.121 +TInt XSgDriverImpl::ConstructPixelFormatTable()
1.122 + {
1.123 + TInt numberOfScreens;
1.124 + TInt err = HAL::Get(HAL::EDisplayNumberOfScreens, numberOfScreens);
1.125 + if (err != KErrNone)
1.126 + {
1.127 + return err;
1.128 + }
1.129 + for (TInt i = 0; i < sizeof(KSgAnyScreenPixelFormatTableEntries) / sizeof(TSgPixelFormatTableEntry); ++i)
1.130 + {
1.131 + RHeap* prevHeap = User::SwitchHeap(iHeap);
1.132 + err = iPixelFormatTable.Append(KSgAnyScreenPixelFormatTableEntries[i]);
1.133 + User::SwitchHeap(prevHeap);
1.134 + if (err != KErrNone)
1.135 + {
1.136 + return err;
1.137 + }
1.138 + }
1.139 + for (TInt screenId = 0; screenId < numberOfScreens; ++screenId)
1.140 + {
1.141 + for (TInt i = 0; i < sizeof(KSgPerScreenPixelFormatTableEntries) / sizeof(TSgPixelFormatTableEntry); ++i)
1.142 + {
1.143 + TSgPixelFormatTableEntry entry = KSgPerScreenPixelFormatTableEntries[i];
1.144 + entry.iScreenId = screenId;
1.145 + RHeap* prevHeap = User::SwitchHeap(iHeap);
1.146 + err = iPixelFormatTable.Append(entry);
1.147 + User::SwitchHeap(prevHeap);
1.148 + if (err != KErrNone)
1.149 + {
1.150 + return err;
1.151 + }
1.152 + }
1.153 + }
1.154 + return KErrNone;
1.155 + }