guestrendering/guestopenvg/src/vghandle.cpp
branchbug235_bringup_0
changeset 14 acbd4400e82b
child 24 a3f46bb01be2
equal deleted inserted replaced
13:220791dae4c4 14:acbd4400e82b
       
     1 // Copyright (c) 2010 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 // Client-side state information for Open VG handle based objects.
       
    15 
       
    16 #include "vgstate.h"
       
    17 #include "remotefunctioncall.h"
       
    18 #include "openvgrfc.h"
       
    19 
       
    20 
       
    21 // defintions for all static member data for CVgHandleBase family of classes
       
    22 THandleGen   CVgHandleBase::iHandleGen; // for creating local UIDs for clients to use as VG Handles
       
    23 
       
    24 
       
    25 
       
    26 /////////////////////////////////////////////////////////////////////////////////////////////
       
    27 // THandleGen
       
    28 /////////////////////////////////////////////////////////////////////////////////////////////
       
    29 
       
    30 void THandleGen::Init(TUint aInit)
       
    31 	{
       
    32 	OPENVG_TRACE("THandleGen::Init aInit=0x%x", aInit);
       
    33 	VGPANIC_ASSERT_DEBUG(aInit != 0, EVgPanicUidGeneratorZeroSeed);
       
    34 	iValue = aInit;
       
    35 	}
       
    36 
       
    37 
       
    38 TUint THandleGen::NextUid()
       
    39 	{
       
    40 	VGPANIC_ASSERT_DEBUG(iValue != 0, EVgPanicUidGeneratorZeroSeed);
       
    41 	TUint result = iValue;
       
    42 	++iValue;
       
    43 	if (iValue == 0)
       
    44 		iValue = 1;
       
    45 	return result;
       
    46 	}
       
    47 
       
    48 
       
    49 /////////////////////////////////////////////////////////////////////////////////////////////
       
    50 // CVgHandleBase = base class for CVgImageInfo etc...
       
    51 /////////////////////////////////////////////////////////////////////////////////////////////
       
    52 
       
    53 // Client Handle generates local UIDs for each VG Handle based object created
       
    54 void CVgHandleBase::InitStatics()
       
    55 	{
       
    56 	// valued of first Client side VG Handle
       
    57 	TUint seed = 0x00010000;
       
    58 	iHandleGen.Init(seed);
       
    59 	}
       
    60 
       
    61 
       
    62 void CVgHandleBase::Destroy(MVgContext& aVgContext)
       
    63 	{
       
    64 	VGPANIC_ASSERT_DEBUG(!IsDestroyed(), EVgPanicHandleAlreadyMarkedDestroyed);
       
    65 	iIsDestroyed = ETrue;
       
    66 	if (DestroyObject(aVgContext))
       
    67 		{
       
    68 		RHeap* clientHeap = CVghwUtils::SwitchToVghwHeap();
       
    69 		OpenVgState.UnMapHandle(iClientHandle);
       
    70 		delete this;
       
    71 		CVghwUtils::SwitchFromVghwHeap(clientHeap);
       
    72 		}
       
    73 	}
       
    74 
       
    75 
       
    76 VGint CVgHandleBase::HostVgGetParameterVectorSize(MVgContext& aVgContext, VGint aParamType)
       
    77 	{
       
    78 	RemoteFunctionCallData data; OpenVgRFC vgApiData(data);
       
    79 	vgApiData.Init(OpenVgRFC::EvgGetParameterVectorSize);
       
    80 	vgApiData.AppendParam(HostHandle());
       
    81 	vgApiData.AppendParam(aParamType);
       
    82 	VGPANIC_ASSERT_DEBUG(vgApiData.Data().Header().iOpType == RemoteFunctionCallData::EOpRequestWithReply, EVgPanicNotReplyOpcode);
       
    83 	aVgContext.ExecuteVgCommand(vgApiData);
       
    84 	return static_cast<VGint>(vgApiData.ReturnValue());
       
    85 	}
       
    86 
       
    87 
       
    88 VGint CVgHandleBase::HostVgGetParameteri(MVgContext& aVgContext, VGint aParamType)
       
    89 	{
       
    90 	RemoteFunctionCallData data; OpenVgRFC vgApiData(data);
       
    91 	vgApiData.Init(OpenVgRFC::EvgGetParameteri);
       
    92 	vgApiData.AppendParam(HostHandle());
       
    93 	vgApiData.AppendParam(aParamType);
       
    94 	VGPANIC_ASSERT_DEBUG(vgApiData.Data().Header().iOpType == RemoteFunctionCallData::EOpRequestWithReply, EVgPanicNotReplyOpcode);
       
    95 	aVgContext.ExecuteVgCommand(vgApiData);
       
    96 	return static_cast<VGint>(vgApiData.ReturnValue());
       
    97 	}
       
    98 
       
    99 
       
   100 VGfloat CVgHandleBase::HostVgGetParameterf(MVgContext& aVgContext, VGint aParamType)
       
   101 	{
       
   102 	RemoteFunctionCallData data; OpenVgRFC vgApiData(data);
       
   103 	vgApiData.Init(OpenVgRFC::EvgGetParameterf);
       
   104 	vgApiData.AppendParam(HostHandle());
       
   105 	vgApiData.AppendParam(aParamType);
       
   106 	VGPANIC_ASSERT_DEBUG(vgApiData.Data().Header().iOpType == RemoteFunctionCallData::EOpRequestWithReply, EVgPanicNotReplyOpcode);
       
   107 	aVgContext.ExecuteVgCommand(vgApiData);
       
   108 	return static_cast<VGfloat>(vgApiData.ReturnValue());
       
   109 	}
       
   110 
       
   111 
       
   112 void CVgHandleBase::HostVgGetParameterfv(MVgContext& aVgContext, VGint aParamType, VGint aCount, const VGfloat * aValues)
       
   113 	{
       
   114 	RemoteFunctionCallData data; OpenVgRFC vgApiData(data);
       
   115 	vgApiData.Init(OpenVgRFC::EvgGetParameterfv);
       
   116 	vgApiData.AppendParam(iHostHandle);
       
   117 	vgApiData.AppendParam(aParamType);
       
   118 	vgApiData.AppendParam(aCount);
       
   119 	vgApiData.AppendVector(aValues, aCount, RemoteFunctionCallData::EOut);
       
   120 	aVgContext.ExecuteVgCommand(vgApiData);
       
   121 	}
       
   122 
       
   123 
       
   124 void CVgHandleBase::HostVgGetParameteriv(MVgContext& aVgContext, VGint aParamType, VGint aCount, const VGint * aValues)
       
   125 	{
       
   126 	RemoteFunctionCallData data; OpenVgRFC vgApiData(data);
       
   127 	vgApiData.Init(OpenVgRFC::EvgGetParameteriv);
       
   128 	vgApiData.AppendParam(iHostHandle);
       
   129 	vgApiData.AppendParam(aParamType);
       
   130 	vgApiData.AppendParam(aCount);
       
   131 	vgApiData.AppendVector(aValues, aCount, RemoteFunctionCallData::EOut);
       
   132 	aVgContext.ExecuteVgCommand(vgApiData);
       
   133 	}
       
   134 
       
   135 
       
   136 void CVgHandleBase::HostVgSetParameterf(MVgContext& aVgContext, VGint aParamType, VGfloat aValue)
       
   137 	{
       
   138 	RemoteFunctionCallData data; OpenVgRFC vgApiData(data);
       
   139 	vgApiData.Init(OpenVgRFC::EvgSetParameterf, RemoteFunctionCallData::EOpRequest);
       
   140 	vgApiData.AppendParam(iHostHandle);
       
   141 	vgApiData.AppendParam(aParamType);
       
   142 	vgApiData.AppendParam(aValue);
       
   143 	aVgContext.ExecuteVgCommand(vgApiData);
       
   144 	}
       
   145 
       
   146 
       
   147 void CVgHandleBase::HostVgSetParameteri(MVgContext& aVgContext, VGint aParamType, VGint aValue)
       
   148 	{
       
   149 	RemoteFunctionCallData data; OpenVgRFC vgApiData(data);
       
   150 	vgApiData.Init(OpenVgRFC::EvgSetParameteri, RemoteFunctionCallData::EOpRequest);
       
   151 	vgApiData.AppendParam(iHostHandle);
       
   152 	vgApiData.AppendParam(aParamType);
       
   153 	vgApiData.AppendParam(aValue);
       
   154 	aVgContext.ExecuteVgCommand(vgApiData);
       
   155 	}
       
   156 
       
   157 
       
   158 void CVgHandleBase::HostVgSetParameterfv(MVgContext& aVgContext, VGint aParamType, VGint aCount, const VGfloat * aValues)
       
   159 	{
       
   160 	RemoteFunctionCallData data; OpenVgRFC vgApiData(data);
       
   161 	vgApiData.Init(OpenVgRFC::EvgSetParameterfv, RemoteFunctionCallData::EOpRequest);
       
   162 	vgApiData.AppendParam(iHostHandle);
       
   163 	vgApiData.AppendParam(aParamType);
       
   164 	vgApiData.AppendParam(aCount);
       
   165 	vgApiData.AppendVector(aValues, aCount);
       
   166 	aVgContext.ExecuteVgCommand(vgApiData);
       
   167 	}
       
   168 
       
   169 
       
   170 void CVgHandleBase::HostVgSetParameteriv(MVgContext& aVgContext, VGint aParamType, VGint aCount, const VGint * aValues)
       
   171 	{
       
   172 	RemoteFunctionCallData data; OpenVgRFC vgApiData(data);
       
   173 	vgApiData.Init(OpenVgRFC::EvgSetParameteriv, RemoteFunctionCallData::EOpRequest);
       
   174 	vgApiData.AppendParam(iHostHandle);
       
   175 	vgApiData.AppendParam(aParamType);
       
   176 	vgApiData.AppendParam(aCount);
       
   177 	vgApiData.AppendVector(aValues, aCount);
       
   178 	aVgContext.ExecuteVgCommand(vgApiData);
       
   179 	}
       
   180 
       
   181 
       
   182 // Base version of  GetParameter* use GetParameterVectorSize to validate aParamType then cal Host VG
       
   183 VGfloat CVgHandleBase::GetParameterf(MVgContext& aVgContext, VGint aParamType)
       
   184 	{
       
   185 	VGint vSize = GetParameterVectorSize(aVgContext, aParamType);
       
   186 	if (vSize > 0)
       
   187 		{
       
   188 		return HostVgGetParameterf(aVgContext, aParamType);
       
   189 		}
       
   190 	return KFloatMinusOne;
       
   191 	}
       
   192 
       
   193 
       
   194 VGint CVgHandleBase::GetParameteri(MVgContext& aVgContext, VGint aParamType)
       
   195 	{
       
   196 	VGint vSize = GetParameterVectorSize(aVgContext, aParamType);
       
   197 	if (vSize > 0)
       
   198 		{
       
   199 		return HostVgGetParameteri(aVgContext, aParamType);
       
   200 		}
       
   201 	return 0;
       
   202 	}
       
   203 
       
   204 
       
   205 /* Base versions of GetParameter*v call:
       
   206    * GetParameterVectorSize to validate aParamtType, 
       
   207    * if aCount is 1 they call GetParameterf/i for the object
       
   208    * otherwise if aCount is valid they call HostVgGetParameter*v
       
   209    * */
       
   210 void CVgHandleBase::GetParameterfv(MVgContext& aVgContext, VGint aParamType, VGint aCount, VGfloat * aValues)
       
   211 	{
       
   212 	VGint vSize = GetParameterVectorSize(aVgContext, aParamType);
       
   213 	if (vSize > 0)
       
   214 		{
       
   215 		if (aCount == 1)
       
   216 			{
       
   217 			*aValues = GetParameterf(aVgContext, aParamType);
       
   218 			return;
       
   219 			}
       
   220 		else if ( (aCount > 0) && (aCount <= vSize) )
       
   221 			{
       
   222 			return HostVgGetParameterfv(aVgContext, aParamType, aCount, aValues);
       
   223 			}
       
   224 
       
   225 		// invalid aCount
       
   226 		aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR);
       
   227 		}
       
   228 	return;
       
   229 	}
       
   230 
       
   231 
       
   232 void CVgHandleBase::GetParameteriv(MVgContext& aVgContext, VGint aParamType, VGint aCount, VGint * aValues)
       
   233 	{
       
   234 	VGint vSize = GetParameterVectorSize(aVgContext, aParamType);
       
   235 	if (vSize > 0)
       
   236 		{
       
   237 		if (aCount == 1)
       
   238 			{
       
   239 			*aValues = GetParameteri(aVgContext, aParamType);
       
   240 			return;
       
   241 			}
       
   242 		else if ( (aCount > 0) && (aCount <= vSize) )
       
   243 			{
       
   244 			return HostVgGetParameteriv(aVgContext, aParamType, aCount, aValues);
       
   245 			}
       
   246 
       
   247 		// invalid aCount
       
   248 		aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR);
       
   249 		}
       
   250 	return;
       
   251 	}
       
   252 
       
   253 
       
   254 // Base versions of SetParameter* assume any parameters are read-only, and give an error return
       
   255 void CVgHandleBase::SetParameterf(MVgContext& aVgContext, VGint, VGfloat)
       
   256 	{
       
   257 	aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR);
       
   258 	}
       
   259 
       
   260 
       
   261 void CVgHandleBase::SetParameteri(MVgContext& aVgContext, VGint, VGint)
       
   262 	{
       
   263 	aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR);
       
   264 	}
       
   265 
       
   266 
       
   267 void CVgHandleBase::SetParameterfv(MVgContext& aVgContext, VGint, VGint, const VGfloat *)
       
   268 	{
       
   269 	aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR);
       
   270 	}
       
   271 
       
   272 
       
   273 void CVgHandleBase::SetParameteriv(MVgContext& aVgContext, VGint, VGint, const VGint *)
       
   274 	{
       
   275 	aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR);
       
   276 	}
       
   277 
       
   278 
       
   279 // end of file vghandle.cpp