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1 // Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Client-side state information for Open VG handle based objects. |
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15 |
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16 #include "vgstate.h" |
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17 #include "remotefunctioncall.h" |
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18 #include "openvgrfc.h" |
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19 |
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20 |
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21 // defintions for all static member data for CVgHandleBase family of classes |
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22 THandleGen CVgHandleBase::iHandleGen; // for creating local UIDs for clients to use as VG Handles |
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23 |
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24 |
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25 |
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26 ///////////////////////////////////////////////////////////////////////////////////////////// |
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27 // THandleGen |
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28 ///////////////////////////////////////////////////////////////////////////////////////////// |
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29 |
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30 void THandleGen::Init(TUint aInit) |
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31 { |
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32 OPENVG_TRACE("THandleGen::Init aInit=0x%x", aInit); |
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33 VGPANIC_ASSERT_DEBUG(aInit != 0, EVgPanicUidGeneratorZeroSeed); |
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34 iValue = aInit; |
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35 } |
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36 |
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37 |
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38 TUint THandleGen::NextUid() |
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39 { |
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40 VGPANIC_ASSERT_DEBUG(iValue != 0, EVgPanicUidGeneratorZeroSeed); |
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41 TUint result = iValue; |
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42 ++iValue; |
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43 if (iValue == 0) |
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44 iValue = 1; |
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45 return result; |
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46 } |
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47 |
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48 |
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49 ///////////////////////////////////////////////////////////////////////////////////////////// |
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50 // CVgHandleBase = base class for CVgImageInfo etc... |
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51 ///////////////////////////////////////////////////////////////////////////////////////////// |
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52 |
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53 // Client Handle generates local UIDs for each VG Handle based object created |
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54 void CVgHandleBase::InitStatics() |
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55 { |
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56 // valued of first Client side VG Handle |
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57 TUint seed = 0x00010000; |
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58 iHandleGen.Init(seed); |
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59 } |
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60 |
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61 |
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62 void CVgHandleBase::Destroy(MVgContext& aVgContext) |
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63 { |
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64 VGPANIC_ASSERT_DEBUG(!IsDestroyed(), EVgPanicHandleAlreadyMarkedDestroyed); |
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65 iIsDestroyed = ETrue; |
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66 if (DestroyObject(aVgContext)) |
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67 { |
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68 RHeap* clientHeap = CVghwUtils::SwitchToVghwHeap(); |
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69 OpenVgState.UnMapHandle(iClientHandle); |
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70 delete this; |
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71 CVghwUtils::SwitchFromVghwHeap(clientHeap); |
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72 } |
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73 } |
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74 |
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75 |
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76 VGint CVgHandleBase::HostVgGetParameterVectorSize(MVgContext& aVgContext, VGint aParamType) |
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77 { |
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78 RemoteFunctionCallData data; OpenVgRFC vgApiData(data); |
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79 vgApiData.Init(OpenVgRFC::EvgGetParameterVectorSize); |
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80 vgApiData.AppendParam(HostHandle()); |
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81 vgApiData.AppendParam(aParamType); |
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82 VGPANIC_ASSERT_DEBUG(vgApiData.Data().Header().iOpType == RemoteFunctionCallData::EOpRequestWithReply, EVgPanicNotReplyOpcode); |
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83 aVgContext.ExecuteVgCommand(vgApiData); |
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84 return static_cast<VGint>(vgApiData.ReturnValue()); |
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85 } |
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86 |
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87 |
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88 VGint CVgHandleBase::HostVgGetParameteri(MVgContext& aVgContext, VGint aParamType) |
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89 { |
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90 RemoteFunctionCallData data; OpenVgRFC vgApiData(data); |
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91 vgApiData.Init(OpenVgRFC::EvgGetParameteri); |
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92 vgApiData.AppendParam(HostHandle()); |
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93 vgApiData.AppendParam(aParamType); |
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94 VGPANIC_ASSERT_DEBUG(vgApiData.Data().Header().iOpType == RemoteFunctionCallData::EOpRequestWithReply, EVgPanicNotReplyOpcode); |
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95 aVgContext.ExecuteVgCommand(vgApiData); |
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96 return static_cast<VGint>(vgApiData.ReturnValue()); |
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97 } |
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98 |
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99 |
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100 VGfloat CVgHandleBase::HostVgGetParameterf(MVgContext& aVgContext, VGint aParamType) |
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101 { |
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102 RemoteFunctionCallData data; OpenVgRFC vgApiData(data); |
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103 vgApiData.Init(OpenVgRFC::EvgGetParameterf); |
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104 vgApiData.AppendParam(HostHandle()); |
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105 vgApiData.AppendParam(aParamType); |
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106 VGPANIC_ASSERT_DEBUG(vgApiData.Data().Header().iOpType == RemoteFunctionCallData::EOpRequestWithReply, EVgPanicNotReplyOpcode); |
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107 aVgContext.ExecuteVgCommand(vgApiData); |
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108 return static_cast<VGfloat>(vgApiData.ReturnValue()); |
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109 } |
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110 |
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111 |
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112 void CVgHandleBase::HostVgGetParameterfv(MVgContext& aVgContext, VGint aParamType, VGint aCount, const VGfloat * aValues) |
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113 { |
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114 RemoteFunctionCallData data; OpenVgRFC vgApiData(data); |
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115 vgApiData.Init(OpenVgRFC::EvgGetParameterfv); |
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116 vgApiData.AppendParam(iHostHandle); |
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117 vgApiData.AppendParam(aParamType); |
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118 vgApiData.AppendParam(aCount); |
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119 vgApiData.AppendVector(aValues, aCount, RemoteFunctionCallData::EOut); |
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120 aVgContext.ExecuteVgCommand(vgApiData); |
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121 } |
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122 |
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123 |
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124 void CVgHandleBase::HostVgGetParameteriv(MVgContext& aVgContext, VGint aParamType, VGint aCount, const VGint * aValues) |
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125 { |
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126 RemoteFunctionCallData data; OpenVgRFC vgApiData(data); |
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127 vgApiData.Init(OpenVgRFC::EvgGetParameteriv); |
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128 vgApiData.AppendParam(iHostHandle); |
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129 vgApiData.AppendParam(aParamType); |
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130 vgApiData.AppendParam(aCount); |
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131 vgApiData.AppendVector(aValues, aCount, RemoteFunctionCallData::EOut); |
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132 aVgContext.ExecuteVgCommand(vgApiData); |
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133 } |
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134 |
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135 |
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136 void CVgHandleBase::HostVgSetParameterf(MVgContext& aVgContext, VGint aParamType, VGfloat aValue) |
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137 { |
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138 RemoteFunctionCallData data; OpenVgRFC vgApiData(data); |
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139 vgApiData.Init(OpenVgRFC::EvgSetParameterf, RemoteFunctionCallData::EOpRequest); |
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140 vgApiData.AppendParam(iHostHandle); |
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141 vgApiData.AppendParam(aParamType); |
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142 vgApiData.AppendParam(aValue); |
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143 aVgContext.ExecuteVgCommand(vgApiData); |
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144 } |
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145 |
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146 |
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147 void CVgHandleBase::HostVgSetParameteri(MVgContext& aVgContext, VGint aParamType, VGint aValue) |
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148 { |
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149 RemoteFunctionCallData data; OpenVgRFC vgApiData(data); |
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150 vgApiData.Init(OpenVgRFC::EvgSetParameteri, RemoteFunctionCallData::EOpRequest); |
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151 vgApiData.AppendParam(iHostHandle); |
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152 vgApiData.AppendParam(aParamType); |
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153 vgApiData.AppendParam(aValue); |
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154 aVgContext.ExecuteVgCommand(vgApiData); |
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155 } |
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156 |
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157 |
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158 void CVgHandleBase::HostVgSetParameterfv(MVgContext& aVgContext, VGint aParamType, VGint aCount, const VGfloat * aValues) |
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159 { |
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160 RemoteFunctionCallData data; OpenVgRFC vgApiData(data); |
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161 vgApiData.Init(OpenVgRFC::EvgSetParameterfv, RemoteFunctionCallData::EOpRequest); |
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162 vgApiData.AppendParam(iHostHandle); |
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163 vgApiData.AppendParam(aParamType); |
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164 vgApiData.AppendParam(aCount); |
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165 vgApiData.AppendVector(aValues, aCount); |
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166 aVgContext.ExecuteVgCommand(vgApiData); |
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167 } |
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168 |
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169 |
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170 void CVgHandleBase::HostVgSetParameteriv(MVgContext& aVgContext, VGint aParamType, VGint aCount, const VGint * aValues) |
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171 { |
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172 RemoteFunctionCallData data; OpenVgRFC vgApiData(data); |
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173 vgApiData.Init(OpenVgRFC::EvgSetParameteriv, RemoteFunctionCallData::EOpRequest); |
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174 vgApiData.AppendParam(iHostHandle); |
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175 vgApiData.AppendParam(aParamType); |
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176 vgApiData.AppendParam(aCount); |
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177 vgApiData.AppendVector(aValues, aCount); |
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178 aVgContext.ExecuteVgCommand(vgApiData); |
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179 } |
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180 |
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181 |
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182 // Base version of GetParameter* use GetParameterVectorSize to validate aParamType then cal Host VG |
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183 VGfloat CVgHandleBase::GetParameterf(MVgContext& aVgContext, VGint aParamType) |
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184 { |
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185 VGint vSize = GetParameterVectorSize(aVgContext, aParamType); |
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186 if (vSize > 0) |
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187 { |
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188 return HostVgGetParameterf(aVgContext, aParamType); |
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189 } |
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190 return KFloatMinusOne; |
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191 } |
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192 |
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193 |
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194 VGint CVgHandleBase::GetParameteri(MVgContext& aVgContext, VGint aParamType) |
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195 { |
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196 VGint vSize = GetParameterVectorSize(aVgContext, aParamType); |
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197 if (vSize > 0) |
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198 { |
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199 return HostVgGetParameteri(aVgContext, aParamType); |
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200 } |
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201 return 0; |
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202 } |
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203 |
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204 |
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205 /* Base versions of GetParameter*v call: |
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206 * GetParameterVectorSize to validate aParamtType, |
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207 * if aCount is 1 they call GetParameterf/i for the object |
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208 * otherwise if aCount is valid they call HostVgGetParameter*v |
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209 * */ |
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210 void CVgHandleBase::GetParameterfv(MVgContext& aVgContext, VGint aParamType, VGint aCount, VGfloat * aValues) |
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211 { |
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212 VGint vSize = GetParameterVectorSize(aVgContext, aParamType); |
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213 if (vSize > 0) |
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214 { |
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215 if (aCount == 1) |
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216 { |
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217 *aValues = GetParameterf(aVgContext, aParamType); |
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218 return; |
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219 } |
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220 else if ( (aCount > 0) && (aCount <= vSize) ) |
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221 { |
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222 return HostVgGetParameterfv(aVgContext, aParamType, aCount, aValues); |
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223 } |
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224 |
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225 // invalid aCount |
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226 aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR); |
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227 } |
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228 return; |
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229 } |
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230 |
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231 |
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232 void CVgHandleBase::GetParameteriv(MVgContext& aVgContext, VGint aParamType, VGint aCount, VGint * aValues) |
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233 { |
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234 VGint vSize = GetParameterVectorSize(aVgContext, aParamType); |
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235 if (vSize > 0) |
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236 { |
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237 if (aCount == 1) |
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238 { |
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239 *aValues = GetParameteri(aVgContext, aParamType); |
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240 return; |
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241 } |
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242 else if ( (aCount > 0) && (aCount <= vSize) ) |
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243 { |
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244 return HostVgGetParameteriv(aVgContext, aParamType, aCount, aValues); |
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245 } |
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246 |
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247 // invalid aCount |
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248 aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR); |
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249 } |
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250 return; |
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251 } |
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252 |
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253 |
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254 // Base versions of SetParameter* assume any parameters are read-only, and give an error return |
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255 void CVgHandleBase::SetParameterf(MVgContext& aVgContext, VGint, VGfloat) |
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256 { |
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257 aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR); |
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258 } |
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259 |
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260 |
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261 void CVgHandleBase::SetParameteri(MVgContext& aVgContext, VGint, VGint) |
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262 { |
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263 aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR); |
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264 } |
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265 |
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266 |
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267 void CVgHandleBase::SetParameterfv(MVgContext& aVgContext, VGint, VGint, const VGfloat *) |
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268 { |
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269 aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR); |
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270 } |
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271 |
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272 |
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273 void CVgHandleBase::SetParameteriv(MVgContext& aVgContext, VGint, VGint, const VGint *) |
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274 { |
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275 aVgContext.SetVgError(VG_ILLEGAL_ARGUMENT_ERROR); |
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276 } |
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277 |
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278 |
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279 // end of file vghandle.cpp |