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os/graphics/graphicsresourceservices/graphicsresourceimplementation/src/sgdriver.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Graphics Resource - driver implementation

    15 //

    16 

    17 #include "sgdriver.h"

    18 

    19 const TInt KSgMaxLocalChunkSize = 0x100000;

    20 const TInt KSgLocalChunkAlignment = 0x40;

    21 

    22 EXPORT_C TInt RSgDriver::Open()

    23 	{

    24 	if (iImpl)

    25 		{

    26 		return KErrInUse;

    27 		}

    28 	if (gPls.iError != KErrNone)

    29 		{

    30 		return gPls.iError;

    31 		}

    32 	gPls.iMutex.Wait();

    33 	if (gPls.iDriver)

    34 		{

    35 		++gPls.iOpenCount;

    36 		iImpl = gPls.iDriver;

    37 		gPls.iMutex.Signal();

    38 		return KErrNone;

    39 		}

    40 	RChunk chunk;

    41 	TInt err = chunk.CreateLocal(KMinHeapGrowBy, KSgMaxLocalChunkSize, EOwnerProcess);

    42 	if (err != KErrNone)

    43 		{

    44 		gPls.iMutex.Signal();

    45 		return err;

    46 		}

    47 	RHeap* heap = UserHeap::ChunkHeap(chunk, 0, KMinHeapGrowBy, KSgMaxLocalChunkSize, KSgLocalChunkAlignment, ETrue);

    48 	__ASSERT_DEBUG(heap, Panic(ESgPanicResourceImplGeneral));

    49 	XSgDriver* driver = static_cast<XSgDriver*>(heap->Alloc(sizeof(XSgDriver)));

    50 	__ASSERT_DEBUG(driver, Panic(ESgPanicResourceImplGeneral));

    51 	new(driver) XSgDriver(heap);

    52 	err = driver->Construct();

    53 	if (err != KErrNone)

    54 		{

    55 		driver->Delete();

    56 		gPls.iMutex.Signal();

    57 		return err;

    58 		}

    59 	gPls.iOpenCount = 1;

    60 	iImpl = gPls.iDriver = driver;

    61 	gPls.iMutex.Signal();

    62 	return KErrNone;

    63 	}

    64 

    65 EXPORT_C void RSgDriver::Close()

    66 	{

    67 	if (iImpl)

    68 		{

    69 		__ASSERT_DEBUG(gPls.iError == KErrNone, Panic(ESgPanicResourceImplGeneral));

    70 		gPls.iMutex.Wait();

    71 		__ASSERT_DEBUG(gPls.iOpenCount > 0, Panic(ESgPanicResourceImplGeneral));

    72 		if (--gPls.iOpenCount == 0)

    73 			{

    74 			gPls.iDriver->Delete();

    75 			gPls.iDriver = NULL;

    76 			}

    77 		iImpl = NULL;

    78 		gPls.iMutex.Signal();

    79 		}

    80 	}

    81 

    82 EXPORT_C TInt RSgDriver::GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr) const

    83 	{

    84 	aInterfacePtr = NULL;

    85 	if (!iImpl)

    86 		{

    87 		return KErrBadHandle;

    88 		}

    89 	return static_cast<XSgDriver*>(iImpl)->GetInterface(aInterfaceUid, aInterfacePtr);

    90 	}

    91 

    92 EXPORT_C TVersion RSgDriver::Version()

    93 	{

    94 	return TVersion(1, 1, 1);

    95 	}

    96 

    97 _LIT(KSgResourceImplPanicCategory, "SGRES-IMPL");

    98 

    99 void Panic(TSgResourceImplPanicReason aReason)

   100 	{

   101 	User::Panic(KSgResourceImplPanicCategory, aReason);

   102 	}

   103 

   104 #ifdef SYMBIAN_GRAPHICS_USE_GPU

   105 const TUint32 KSgResourceAttributes = 0;

   106 #else

   107 const TUint32 KSgResourceAttributes = ESgResourceAttrCpuCached;

   108 #endif

   109 

   110 LOCAL_C TInt SgMinDataStride(TInt aWidthInPixels, TInt aPixelFormat)

   111 	{

   112 	switch (aPixelFormat)

   113 		{

   114 	case ESgPixelFormatA_8:

   115 		return aWidthInPixels;

   116 	case ESgPixelFormatRGB_565:

   117 		return aWidthInPixels << 1;

   118 	case ESgPixelFormatXRGB_8888:

   119 	case ESgPixelFormatARGB_8888:

   120 	case ESgPixelFormatARGB_8888_PRE:

   121 		return aWidthInPixels << 2;

   122 	default:

   123 #ifdef _DEBUG

   124 		Panic(ESgPanicResourceImplGeneral);

   125 #endif

   126 		return 0;

   127 		}

   128 	}

   129 

   130 LOCAL_C TInt SgAlignedDataStride(TInt aWidthInPixels, TInt aPixelFormat)

   131 	{

   132 #if defined(SYMBIAN_GRAPHICS_USE_MBX)

   133 	// MBX requires 2^n stride

   134 	for (TInt width = 8; width & KMaxTInt; width <<= 1)

   135 		{

   136 		if (width >= aWidthInPixels)

   137 			{

   138 			aWidthInPixels = width;

   139 			break;

   140 			}

   141 		}

   142 #elif defined(SYMBIAN_GRAPHICS_USE_SGX)

   143 	// SGX requires 32-pixel alignment

   144 	aWidthInPixels = (aWidthInPixels + 31) & ~31;

   145 #endif

   146 	return Align4(SgMinDataStride(aWidthInPixels, aPixelFormat));

   147 	}

   148 

   149 XSgDriverPls::XSgDriverPls()

   150 	{

   151 	iError = iMutex.CreateLocal();

   152 	iOpenCount = 0;

   153 	iDriver = NULL;

   154 	}

   155 

   156 XSgDriver::XSgDriver(RHeap* aHeap)

   157 	: iHeap(aHeap), iHasOpenVg(EFalse), iHasOpenGles(EFalse), iHasOpenGles2(EFalse)

   158 	{

   159 	}

   160 

   161 XSgDriver::~XSgDriver()

   162 	{

   163 	iMutex.Close();

   164 	iDevice.Close();

   165 	__ASSERT_DEBUG(iImagesByAddress.Count() == 0, Panic(ESgPanicUnclosedResources));

   166 	__ASSERT_DEBUG(iImagesById.Count() == 0, Panic(ESgPanicUnclosedResources));

   167 	}

   168 

   169 TInt XSgDriver::Construct()

   170 	{

   171 	TInt err = iMutex.CreateLocal();

   172 	if (err != KErrNone)

   173 		{

   174 		return err;

   175 		}

   176 	err = User::LoadLogicalDevice(KSgDeviceName);

   177 	if (err != KErrNone && err != KErrAlreadyExists)

   178 		{

   179 		return err;

   180 		}

   181 	err = iDevice.Connect();

   182 	if (err != KErrNone)

   183 		{

   184 		return err;

   185 		}

   186 	_LIT(KLibOpenVg, "libOpenVG.dll");

   187 	_LIT(KLibOpenGles, "libGLESv1_CM.dll");

   188 	_LIT(KLibOpenGles2, "libGLESv2.dll");

   189 	RLibrary lib;

   190 	if (lib.Load(KLibOpenVg) == KErrNone)

   191 		{

   192 		lib.Close();

   193 		iHasOpenVg = ETrue;

   194 		}

   195 	if (lib.Load(KLibOpenGles) == KErrNone)

   196 		{

   197 		lib.Close();

   198 		iHasOpenGles = ETrue;

   199 		}

   200 	if (lib.Load(KLibOpenGles2) == KErrNone)

   201 		{

   202 		lib.Close();

   203 		iHasOpenGles2 = ETrue;

   204 		}

   205 	return KErrNone;

   206 	}

   207 

   208 void XSgDriver::Delete()

   209 	{

   210 	RHeap* heap = iHeap;

   211 	this->~XSgDriver();

   212 	heap->Free(this);

   213 	__ASSERT_DEBUG(heap->Count() == 0, Panic(ESgPanicUnclosedResources));

   214 	heap->Close();

   215 	}

   216 

   217 TInt XSgDriver::CreateImage(const TSgImageInfo& aInfo, const TAny* aDataAddress, TInt aDataStride, const TSgAttributeArrayBase* aAttributes, TAny*& aResult)

   218 	{

   219 	TInt err = CheckImageInfo(aInfo);

   220 	if (err != KErrNone)

   221 		{

   222 		return err;

   223 		}

   224 	TInt minDataStride = SgMinDataStride(aInfo.iSizeInPixels.iWidth, aInfo.iPixelFormat);

   225 	if (aDataAddress && Abs(aDataStride) < minDataStride)

   226 		{

   227 		return KErrArgument;

   228 		}

   229 	if (aAttributes)

   230 		{

   231 		return KErrNotSupported;

   232 		}

   233 	TUint32 attribs = KSgResourceAttributes | MatchingEglConfigUsage(aInfo.iUsage);

   234 	TPckgBuf<TSgImageMetaData> metaDataPckg;

   235 	metaDataPckg().iSizeInPixels = aInfo.iSizeInPixels;

   236 	metaDataPckg().iPixelFormat = aInfo.iPixelFormat;

   237 	TInt dataStride = SgAlignedDataStride(aInfo.iSizeInPixels.iWidth, aInfo.iPixelFormat);

   238 	TInt dataSize = dataStride * aInfo.iSizeInPixels.iHeight;

   239 	TSgDrawableId id;

   240 	err = iDevice.CreateResource(attribs, metaDataPckg, dataSize, id.iId);

   241 	if (err != KErrNone)

   242 		{

   243 		return err;

   244 		}

   245 	iMutex.Wait();

   246 	XSgImage* imageImpl = static_cast<XSgImage*>(iHeap->Alloc(sizeof(XSgImage)));

   247 	if (!imageImpl)

   248 		{

   249 		(void)iDevice.CloseResource(id.iId);

   250 		iMutex.Signal();

   251 		return KErrNoMemory;

   252 		}

   253 	new(imageImpl) XSgImage(id, attribs, metaDataPckg(), iDevice.ResourceDataAddress(id.iId), dataStride);

   254 	RHeap* prevHeap = User::SwitchHeap(iHeap);

   255 	err = iImagesByAddress.InsertInAddressOrder(imageImpl);

   256 	if (err == KErrNone)

   257 		{

   258 		err = iImagesById.InsertInOrder(imageImpl, XSgImage::Compare);

   259 		if (err != KErrNone)

   260 			{

   261 			iImagesByAddress.Remove(iImagesByAddress.FindInAddressOrder(imageImpl));

   262 			iImagesByAddress.GranularCompress();

   263 			}

   264 		}

   265 	User::SwitchHeap(prevHeap);

   266 	if (err == KErrNone)

   267 		{

   268 		if (aDataAddress)

   269 			{

   270 			const TAny* src = aDataStride > 0 ? aDataAddress : PtrAdd(aDataAddress, -aDataStride * (aInfo.iSizeInPixels.iHeight - 1));

   271 			TAny* trg = imageImpl->DataAddress();

   272 			for (TInt y = 0; y < aInfo.iSizeInPixels.iHeight; ++y)

   273 				{

   274 				Mem::Copy(trg, src, minDataStride);

   275 				src = PtrAdd(src, aDataStride);

   276 				trg = PtrAdd(trg, dataStride);

   277 				}

   278 			}

   279 		aResult = imageImpl;

   280 		}

   281 	else

   282 		{

   283 		(void)iDevice.CloseResource(id.iId);

   284 		iHeap->Free(imageImpl);

   285 		}

   286 	iMutex.Signal();

   287 	return err;

   288 	}

   289 

   290 TInt XSgDriver::CreateImage(const TSgImageInfo& aInfo, const XSgImage* aImageImpl, const TSgAttributeArrayBase* aAttributes, TAny*& aResult)

   291 	{

   292 	if (!aImageImpl)

   293 		{

   294 		return KErrArgument;

   295 		}

   296 	__ASSERT_ALWAYS(CheckImage(aImageImpl), Panic(ESgPanicBadDrawableHandle));

   297 	TSgImageInfo info;

   298 	aImageImpl->GetInfo(info);

   299 	if (aInfo.iSizeInPixels != info.iSizeInPixels || aInfo.iPixelFormat != info.iPixelFormat)

   300 		{

   301 		return KErrNotSupported;

   302 		}

   303 	return CreateImage(aInfo, aImageImpl->DataAddress(), aImageImpl->DataStride(), aAttributes, aResult);

   304 	}

   305 

   306 TInt XSgDriver::FindAndOpenImage(TSgDrawableId aId, const TSgAttributeArrayBase* aAttributes, TAny*& aResult)

   307 	{

   308 	if (aId == KSgNullDrawableId)

   309 		{

   310 		return KErrArgument;

   311 		}

   312 	if (aAttributes)

   313 		{

   314 		return KErrNotSupported;

   315 		}

   316 	TInt err;

   317 	iMutex.Wait();

   318 	TInt indexById = iImagesById.FindInOrder(aId, XSgImage::Compare);

   319 	if (indexById >= 0)

   320 		{

   321 		XSgImage* imageImpl = iImagesById[indexById];

   322 		err = imageImpl->Open();

   323 		if (err == KErrNone)

   324 			{

   325 			aResult = imageImpl;

   326 			}

   327 		}

   328 	else

   329 		{

   330 		err = iDevice.OpenResource(aId.iId);

   331 		if (err != KErrNone)

   332 			{

   333 			iMutex.Signal();

   334 			return err;

   335 			}

   336 		TPckgBuf<TSgImageMetaData> metaDataPckg;

   337 		err = iDevice.GetResourceMetaData(aId.iId, metaDataPckg);

   338 		if (metaDataPckg.Size() != sizeof(TSgImageMetaData))

   339 			{

   340 			err = KErrGeneral;

   341 			}

   342 		TUint32 attribs;

   343 		if (err == KErrNone)

   344 			{

   345 			attribs = iDevice.ResourceAttributes(aId.iId);

   346 			TSgImageInfo info(metaDataPckg().iSizeInPixels, metaDataPckg().iPixelFormat, attribs & KSgUsageBitMask);

   347 			if (CheckImageInfo(info) != KErrNone)

   348 				{

   349 				err = KErrGeneral;

   350 				}

   351 			}

   352 		TInt dataStride;

   353 		if (err == KErrNone)

   354 			{

   355 			dataStride = SgAlignedDataStride(metaDataPckg().iSizeInPixels.iWidth, metaDataPckg().iPixelFormat);

   356 			if (iDevice.ResourceDataSize(aId.iId) != dataStride * metaDataPckg().iSizeInPixels.iHeight)

   357 				{

   358 				err = KErrGeneral;

   359 				}

   360 			}

   361 		if (err != KErrNone)

   362 			{

   363 			(void)iDevice.CloseResource(aId.iId);

   364 			iMutex.Signal();

   365 			return err;

   366 			}

   367 		XSgImage* imageImpl = static_cast<XSgImage*>(iHeap->Alloc(sizeof(XSgImage)));

   368 		if (!imageImpl)

   369 			{

   370 			(void)iDevice.CloseResource(aId.iId);

   371 			iMutex.Signal();

   372 			return KErrNoMemory;

   373 			}

   374 		new(imageImpl) XSgImage(aId, attribs, metaDataPckg(), iDevice.ResourceDataAddress(aId.iId), dataStride);

   375 		RHeap* prevHeap = User::SwitchHeap(iHeap);

   376 		err = iImagesByAddress.InsertInAddressOrder(imageImpl);

   377 		if (err == KErrNone)

   378 			{

   379 			err = iImagesById.InsertInOrder(imageImpl, XSgImage::Compare);

   380 			if (err != KErrNone)

   381 				{

   382 				iImagesByAddress.Remove(iImagesByAddress.FindInAddressOrder(imageImpl));

   383 				iImagesByAddress.GranularCompress();

   384 				}

   385 			}

   386 		User::SwitchHeap(prevHeap);

   387 		if (err == KErrNone)

   388 			{

   389 			aResult = imageImpl;

   390 			}

   391 		else

   392 			{

   393 			(void)iDevice.CloseResource(aId.iId);

   394 			iHeap->Free(imageImpl);

   395 			}

   396 		}

   397 	iMutex.Signal();

   398 	return err;

   399 	}

   400 

   401 void XSgDriver::DeleteImage(XSgImage* aImageImpl)

   402 	{

   403 	iMutex.Wait();

   404 	TInt indexByAddress = iImagesByAddress.FindInAddressOrder(aImageImpl);

   405 	TInt indexById = iImagesById.FindInOrder(aImageImpl, XSgImage::Compare);

   406 	__ASSERT_DEBUG(indexByAddress >= 0 && indexById >= 0, Panic(ESgPanicBadImagePointer));

   407 	RHeap* prevHeap = User::SwitchHeap(iHeap);

   408 	iImagesByAddress.Remove(indexByAddress);

   409 	iImagesById.Remove(indexById);

   410 	iImagesByAddress.GranularCompress();

   411 	iImagesById.GranularCompress();

   412 	User::SwitchHeap(prevHeap);

   413 	(void)iDevice.CloseResource(aImageImpl->Id().iId);

   414 	aImageImpl->~XSgImage();

   415 	iHeap->Free(aImageImpl);

   416 	iMutex.Signal();

   417 	}

   418 

   419 TUint32 XSgDriver::MatchingEglConfigUsage(TUint32 aUsage) const

   420 	{

   421 	if (aUsage & KSgUsageAllSurfaceTypes)

   422 		{

   423 		if (iHasOpenVg)

   424 			{

   425 			aUsage |= ESgUsageBitOpenVgSurface;

   426 			}

   427 		if (iHasOpenGles)

   428 			{

   429 			aUsage |= ESgUsageBitOpenGlesSurface;

   430 			}

   431 		if (iHasOpenGles2)

   432 			{

   433 			aUsage |= ESgUsageBitOpenGles2Surface;

   434 			}

   435 		}

   436 	return aUsage;

   437 	}

   438 

   439 TInt XSgDriver::CheckImageInfo(const TSgImageInfo& aInfo) const

   440 	{

   441 	if (aInfo.iSizeInPixels.iWidth <= 0 || aInfo.iSizeInPixels.iHeight <= 0

   442 		|| aInfo.iPixelFormat == EUidPixelFormatUnknown || aInfo.iUsage == 0)

   443 		{

   444 		return KErrArgument;

   445 		}

   446 	if (aInfo.iSizeInPixels.iWidth > KMaxTInt16 / 2 || aInfo.iSizeInPixels.iHeight > KMaxTInt16 / 2)

   447 		{

   448 		return KErrTooBig;

   449 		}

   450 	if (aInfo.iUsage & ~KSgUsageAll)

   451 		{

   452 		return KErrNotSupported;

   453 		}

   454 	if ((aInfo.iUsage & (ESgUsageBitOpenVgImage | ESgUsageBitOpenVgSurface)) && !iHasOpenVg

   455 		|| (aInfo.iUsage & (ESgUsageBitOpenGlesTexture2D | ESgUsageBitOpenGlesSurface)) && !iHasOpenGles

   456 		|| (aInfo.iUsage & (ESgUsageBitOpenGles2Texture2D | ESgUsageBitOpenGles2Surface)) && !iHasOpenGles2)

   457 		{

   458 		return KErrNotSupported;

   459 		}

   460 	switch (aInfo.iPixelFormat)

   461 		{

   462 	case ESgPixelFormatA_8:

   463 		if (aInfo.iUsage & KSgUsageAllSurfaceTypes)

   464 			{

   465 			return KErrNotSupported;

   466 			}

   467 		// coverity[fallthrough]

   468 	case ESgPixelFormatRGB_565:

   469 	case ESgPixelFormatXRGB_8888:

   470 	case ESgPixelFormatARGB_8888:

   471 	case ESgPixelFormatARGB_8888_PRE:

   472 		return KErrNone;

   473 	default:

   474 		return KErrNotSupported;

   475 		}

   476 	}

   477 

   478 TBool XSgDriver::CheckImage(const TAny* aImageImpl) const

   479 	{

   480 	iMutex.Wait();

   481 	TInt indexByAddress = iImagesByAddress.FindInAddressOrder(static_cast<const XSgImage*>(aImageImpl));

   482 	iMutex.Signal();

   483 	return indexByAddress >= 0;

   484 	}

   485 

   486 TInt XSgDriver::GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr)

   487 	{

   488 	if (aInterfaceUid == KNullUid)

   489 		{

   490 		return KErrArgument;

   491 		}

   492 	if (aInterfaceUid.iUid == MSgDriver_Profiling::EInterfaceUid)

   493 		{

   494 		aInterfacePtr = static_cast<MSgDriver_Profiling*>(this);

   495 		return KErrNone;

   496 		}

   497 #ifdef _DEBUG

   498 	if (aInterfaceUid.iUid == MSgDriver_Test::EInterfaceUid)

   499 		{

   500 		aInterfacePtr = static_cast<MSgDriver_Test*>(this);

   501 		return KErrNone;

   502 		}

   503 #endif

   504 	return KErrExtensionNotSupported;

   505 	}

   506 

   507 TInt XSgDriver::LocalResourceCount() const

   508 	{

   509 	TInt count = 0;

   510 	iMutex.Wait();

   511 	TInt n = iImagesByAddress.Count();

   512 	for (TInt i = 0; i < n; ++i)

   513 		{

   514 		count += iImagesByAddress[i]->RefCount();

   515 		}

   516 	iMutex.Signal();

   517 	return count;

   518 	}

   519 

   520 TInt XSgDriver::GlobalResourceCount() const

   521 	{

   522 	return iDevice.GlobalResourceCount();

   523 	}

   524 

   525 TInt XSgDriver::LocalGraphicsMemoryUsed() const

   526 	{

   527 	return iDevice.LocalGraphicsMemoryUsed();

   528 	}

   529 

   530 TInt XSgDriver::GlobalGraphicsMemoryUsed() const

   531 	{

   532 	return iDevice.GlobalGraphicsMemoryUsed();

   533 	}

   534 

   535 #ifdef _DEBUG

   536 

   537 void XSgDriver::AllocMarkStart()

   538 	{

   539 	iMutex.Wait();

   540 	iHeap->__DbgMarkStart();

   541 	iMutex.Signal();

   542 	}

   543 

   544 void XSgDriver::AllocMarkEnd(TInt aCount)

   545 	{

   546 	iMutex.Wait();

   547 	TUint32 badCell = iHeap->__DbgMarkEnd(aCount);

   548 	iMutex.Signal();

   549 	if (badCell != 0)

   550 		{

   551 		_LIT(KPanicCategoryFormat, "SGALLOC:%08x");

   552 		TBuf<0x10> category;

   553 		category.Format(KPanicCategoryFormat, badCell);

   554 		User::Panic(category, 0);

   555 		}

   556 	}

   557 

   558 void XSgDriver::SetAllocFail(RAllocator::TAllocFail aType, TInt aRate)

   559 	{

   560 	iMutex.Wait();

   561 	iHeap->__DbgSetAllocFail(aType, aRate);

   562 	iMutex.Signal();

   563 	}

   564 

   565 #endif // _DEBUG

   566 

   567 #ifndef __WINS__

   568 XSgDriverPls gPls;

   569 #endif
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