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1 // Copyright (c) 2007-2009 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 // |
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15 |
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16 /** |
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17 @file |
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18 */ |
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19 |
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20 #include <e32std.h> |
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21 #include <imageconversion.h> |
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22 #include "surfaceutility.h" |
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23 |
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24 CSurfaceUtility::CSurfaceUtility(CSurfaceUtility* aClone) |
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25 : iScreenNum(0), iSurfaces(aClone?&(aClone->iSurfaces):NULL) |
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26 { |
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27 } |
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28 |
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29 CSurfaceUtility* CSurfaceUtility::NewL(CSurfaceUtility* aClone/*=NULL*/) |
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30 { |
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31 CSurfaceUtility* utility = new (ELeave)CSurfaceUtility(aClone); |
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32 CleanupStack::PushL(utility); |
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33 utility->ConstructL(); |
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34 CleanupStack::Pop(utility); |
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35 return utility; |
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36 } |
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37 |
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38 void CSurfaceUtility::ConstructL() |
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39 { |
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40 TInt r = iManager.Open(); |
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41 if (r != KErrNone) |
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42 { |
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43 LOG(("Surface manager failed to open: %d", r)); |
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44 User::Leave(r); |
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45 } |
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46 |
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47 r = iSurfaceUpdateSession.Connect(); |
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48 if (r != KErrNone) |
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49 { |
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50 LOG(("Failed to connect to update server: %d", r)); |
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51 User::Leave(r); |
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52 } |
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53 } |
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54 |
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55 CSurfaceUtility::~CSurfaceUtility() |
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56 { |
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57 DestroyAll(); |
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58 |
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59 iSurfaces.Close(); |
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60 |
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61 iManager.Close(); |
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62 |
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63 iSurfaceUpdateSession.Close(); |
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64 } |
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65 |
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66 TBool CSurfaceUtility::DestroyAll() |
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67 { |
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68 TInt err = KErrNone; |
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69 TInt jj = iSurfaces.Count() - 1; |
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70 if (jj<0) |
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71 return EFalse; |
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72 for (; jj >= 0; jj--) |
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73 { |
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74 err = iManager.CloseSurface(iSurfaces[jj]); |
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75 if (err!=KErrNone) |
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76 { |
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77 LOG(("Error closing surface: 0x%X\n", err)); |
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78 } |
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79 } |
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80 iSurfaces.Reset(); |
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81 return ETrue; |
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82 } |
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83 |
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84 /*************************************** |
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85 * The aim of the THeapSurfaceArray is to locally switch in the specified heap for any array operation |
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86 ***************************************/ |
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87 |
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88 CSurfaceUtility::RHeapSurfaceArray::RHeapSurfaceArray(RHeapSurfaceArray* aUseExternalArray) |
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89 : iUseArray(aUseExternalArray?aUseExternalArray->iUseArray:&this->iLocalArray), |
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90 iExternalHeapRef(aUseExternalArray?aUseExternalArray->iExternalHeapRef:User::Heap()) |
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91 { |
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92 |
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93 } |
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94 /************************************ |
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95 * The following methods have been used by the surfaceutility... some require the heap wrapping, and some don't |
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96 * I actually need three different startegies (count em) for 7 methods... |
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97 * Some methods only read the existing objects, so don't need a heap swap at all |
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98 * Leaving methods have to use PopAndDestroy strategy to restore the heap on leaving or success |
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99 * Non-leaving methods must not call PushL, so directly make SwitchHeap calls! |
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100 ************************************/ |
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101 |
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102 // PopAndDestroy method to restore the heap |
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103 /*static*/ void CSurfaceUtility::RHeapSurfaceArray::PopHeap(void* aHeapPtr) |
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104 { |
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105 RHeap* heapPtr=(RHeap*)aHeapPtr; |
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106 User::SwitchHeap(heapPtr); |
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107 } |
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108 |
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109 // Switches and pushes the previous heap so it can be restored with PopAndDestroy |
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110 /*static*/ void CSurfaceUtility::RHeapSurfaceArray::SwitchHeapLC(RHeap* aNewHeap) |
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111 { |
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112 CleanupStack::PushL(TCleanupItem(PopHeap,NULL)); |
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113 CleanupStack::PushL(TCleanupItem(PopHeap,NULL)); |
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114 CleanupStack::PushL(TCleanupItem(PopHeap,NULL)); |
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115 CleanupStack::Pop(3); |
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116 RHeap* oldHeap=User::SwitchHeap(aNewHeap); |
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117 delete new char; |
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118 CleanupStack::PushL(TCleanupItem(PopHeap,oldHeap)); |
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119 } |
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120 |
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121 |
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122 TSurfaceId& CSurfaceUtility::RHeapSurfaceArray::operator[](TUint aIndex) |
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123 { |
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124 return iUseArray->operator[](aIndex); |
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125 } |
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126 |
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127 // Close only closes the local array, while Reset resets the active array (may be external) |
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128 void CSurfaceUtility::RHeapSurfaceArray::Close() |
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129 { |
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130 iLocalArray.Close(); |
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131 } |
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132 |
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133 TInt CSurfaceUtility::RHeapSurfaceArray::Count() const |
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134 { |
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135 return iUseArray->Count(); |
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136 } |
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137 |
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138 // Close only closes the local array, while Reset resets the active array (may be external) |
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139 inline void CSurfaceUtility::RHeapSurfaceArray::Reset() |
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140 { |
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141 iUseArray->Reset(); |
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142 } |
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143 |
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144 void CSurfaceUtility::RHeapSurfaceArray::AppendL(const TSurfaceId &anEntry) |
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145 { |
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146 iUseArray->AppendL(anEntry); |
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147 } |
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148 |
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149 TInt CSurfaceUtility::RHeapSurfaceArray::Find(const TSurfaceId &anEntry) const |
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150 { |
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151 return iUseArray->Find(anEntry); |
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152 } |
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153 |
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154 void CSurfaceUtility::RHeapSurfaceArray::Remove(TInt anIndex) |
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155 { |
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156 iUseArray->Remove(anIndex); |
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157 } |
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158 |
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159 /** |
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160 Cleanup stack helper object, holding references to both utility and surface, so |
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161 that the standard Close() semantics can be used. |
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162 */ |
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163 class TSurfaceCleanup |
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164 { |
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165 public: |
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166 TSurfaceCleanup(CSurfaceUtility& aUtility, TSurfaceId& aSurface) |
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167 : iUtility(aUtility), iSurface(aSurface) |
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168 {} |
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169 void Close() |
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170 { |
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171 // Removes the surface from the list of surfaces to clean up, and closes |
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172 // the surface reference. |
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173 iUtility.DestroySurface(iSurface); |
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174 } |
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175 private: |
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176 CSurfaceUtility& iUtility; |
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177 TSurfaceId& iSurface; |
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178 }; |
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179 |
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180 /** |
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181 Get the size of a surface. |
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182 |
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183 @param aSurface The surface to get the size for. |
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184 @return The size in pixels, or empty on failure. |
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185 */ |
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186 TSize CSurfaceUtility::SurfaceSize(const TSurfaceId& aSurface) |
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187 { |
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188 RSurfaceManager::TInfoBuf infoBuf; |
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189 RSurfaceManager::TSurfaceInfoV01& info = infoBuf(); |
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190 |
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191 if (iManager.SurfaceInfo(aSurface, infoBuf) == KErrNone) |
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192 { |
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193 return info.iSize; |
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194 } |
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195 |
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196 return TSize(); |
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197 } |
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198 |
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199 /** |
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200 Create a surface using the surface manager. |
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201 |
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202 Stores the ID for tear down, as well as returning it. |
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203 |
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204 @param aSize Dimensions of the surface. |
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205 @param aPixelFormat UID of the pixel format. |
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206 @param aStride Stride value for the surface (usually bytes per pixel * width) |
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207 @leave May leave due to lack of memory. |
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208 @return New surface's ID. |
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209 */ |
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210 TSurfaceId CSurfaceUtility::CreateSurfaceL(const TSize& aSize, TUidPixelFormat aPixelFormat, TInt aStride, TInt aBuffers) |
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211 { |
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212 RSurfaceManager::TSurfaceCreationAttributesBuf bf; |
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213 RSurfaceManager::TSurfaceCreationAttributes& b = bf(); |
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214 if (aStride<aSize.iWidth*BytesPerPixelL(aPixelFormat)) |
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215 { |
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216 User::Leave(KErrOverflow); |
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217 } |
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218 b.iSize.iWidth = aSize.iWidth; |
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219 b.iSize.iHeight = aSize.iHeight; |
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220 b.iBuffers = aBuffers; // number of buffers in the surface |
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221 b.iPixelFormat = aPixelFormat; |
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222 b.iStride = aStride; // Number of bytes between start of one line and start of next |
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223 b.iOffsetToFirstBuffer = 0; // way of reserving space before the surface pixel data |
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224 b.iAlignment = 4; // alignment, 1,2,4,8 byte aligned |
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225 b.iContiguous = EFalse; |
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226 b.iMappable = ETrue; |
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227 |
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228 TSurfaceId surface = TSurfaceId::CreateNullId(); |
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229 |
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230 User::LeaveIfError(iManager.CreateSurface(bf, surface)); |
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231 iSurfaces.AppendL(surface); |
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232 return surface; |
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233 } |
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234 |
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235 /** |
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236 A helper function that returns the bytes per pixel for a given pixel format uid |
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237 |
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238 @param aPixelFormat Pixel format UID to convert |
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239 @return The bytes per pixel |
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240 */ |
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241 TInt CSurfaceUtility::BytesPerPixelL(TUidPixelFormat aPixelFormat) |
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242 { |
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243 TInt bytesPerPixel = 0; |
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244 switch (aPixelFormat) |
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245 { |
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246 case EUidPixelFormatXRGB_8888: |
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247 case EUidPixelFormatARGB_8888: |
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248 case EUidPixelFormatARGB_8888_PRE: |
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249 { |
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250 bytesPerPixel = 4; |
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251 break; |
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252 } |
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253 case EUidPixelFormatXRGB_4444: |
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254 case EUidPixelFormatARGB_4444: |
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255 case EUidPixelFormatRGB_565: |
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256 { |
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257 bytesPerPixel = 2; |
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258 break; |
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259 } |
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260 default: |
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261 { |
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262 User::Leave(KErrNotSupported); |
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263 break; |
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264 } |
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265 } |
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266 return bytesPerPixel; |
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267 } |
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268 |
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269 /** |
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270 Fill the given surface with a color. |
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271 |
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272 @param aSurface The surface to be filled. |
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273 @param aColor The color to fill it with. |
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274 */ |
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275 void CSurfaceUtility::FillSurfaceL(TSurfaceId& aSurface, const TRgb& aColor) |
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276 { |
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277 RSurfaceManager::TInfoBuf infoBuf; |
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278 RSurfaceManager::TSurfaceInfoV01& info = infoBuf(); |
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279 |
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280 User::LeaveIfError(iManager.SurfaceInfo(aSurface, infoBuf)); |
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281 TUint32 color = 0; |
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282 TBool use16 = EFalse; |
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283 |
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284 if (info.iSize.iHeight<0 || info.iSize.iWidth<0 || info.iStride<0) |
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285 { |
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286 User::Leave(KErrCorrupt); |
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287 } |
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288 if (info.iSize.iHeight==0 || info.iSize.iWidth==0 || info.iStride==0) |
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289 { |
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290 User::Leave(KErrNotReady); |
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291 } |
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292 |
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293 switch (info.iPixelFormat) |
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294 { |
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295 case EUidPixelFormatXRGB_8888: |
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296 { |
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297 color = aColor.Color16MU(); |
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298 #ifdef ALPHA_FIX_24BIT |
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299 color |= ((ALPHA_FIX_24BIT)&0xff)<<24; |
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300 #endif |
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301 break; |
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302 } |
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303 case EUidPixelFormatARGB_8888: |
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304 { |
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305 color = aColor.Color16MA(); |
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306 break; |
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307 } |
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308 case EUidPixelFormatARGB_8888_PRE: |
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309 { |
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310 color = aColor.Color16MAP(); |
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311 break; |
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312 } |
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313 case EUidPixelFormatXRGB_4444: |
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314 case EUidPixelFormatARGB_4444: |
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315 { |
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316 color = aColor.Color4K(); |
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317 use16 = ETrue; |
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318 break; |
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319 } |
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320 case EUidPixelFormatRGB_565: |
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321 { |
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322 color = aColor.Color64K(); |
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323 use16 = ETrue; |
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324 break; |
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325 } |
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326 default: |
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327 { |
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328 User::Leave(KErrNotSupported); |
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329 break; |
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330 } |
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331 } |
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332 |
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333 RChunk chunk; |
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334 User::LeaveIfError(iManager.MapSurface(aSurface, chunk)); |
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335 CleanupClosePushL(chunk); |
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336 |
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337 TInt offsetToFirstBuffer; |
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338 User::LeaveIfError(iManager.GetBufferOffset(aSurface, 0, offsetToFirstBuffer)); |
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339 TUint8* surfacePtr = chunk.Base() + offsetToFirstBuffer; |
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340 TUint8* linePtr = surfacePtr; |
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341 |
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342 if (use16) |
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343 { |
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344 if ( info.iSize.iWidth*2>info.iStride) |
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345 { |
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346 User::Leave(KErrOverflow); |
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347 } |
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348 TUint16* ptr = reinterpret_cast<TUint16*>(surfacePtr); |
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349 |
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350 // Fill first line |
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351 for (TInt xx = 0; xx < info.iSize.iWidth; xx++) |
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352 { |
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353 ptr[xx] = (TUint16)color; |
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354 } |
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355 } |
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356 else |
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357 { |
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358 if ( info.iSize.iWidth*4>info.iStride) |
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359 { |
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360 User::Leave(KErrOverflow); |
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361 } |
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362 TUint32* ptr = reinterpret_cast<TUint32*>(surfacePtr); |
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363 |
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364 // Fill first line |
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365 for (TInt xx = 0; xx < info.iSize.iWidth; xx++) |
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366 { |
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367 ptr[xx] = color; |
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368 } |
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369 } |
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370 |
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371 // Now copy that to the other lines |
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372 for (TInt yy = 1; yy < info.iSize.iHeight; yy++) |
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373 { |
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374 linePtr += info.iStride; |
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375 Mem::Copy(linePtr, surfacePtr, info.iSize.iWidth * BytesPerPixelL(info.iPixelFormat)); |
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376 } |
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377 |
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378 TInt err = SubmitUpdate(iScreenNum, aSurface, 0, NULL); |
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379 if (err!=KErrNone) |
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380 LOG(("Error submitting update: 0x%X\n", err)); |
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381 |
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382 CleanupStack::PopAndDestroy(/* chunk */); |
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383 } |
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384 |
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385 /** |
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386 Fill the given surface with a color. |
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387 |
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388 @param aSurface The surface to be filled. |
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389 @param aBuffer The buffer to fill. |
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390 @param aColor The color to fill it with. |
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391 */ |
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392 void CSurfaceUtility::FillSurfaceL(TSurfaceId& aSurface, TInt aBuffer, const TRgb& aColor) |
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393 { |
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394 RSurfaceManager::TInfoBuf infoBuf; |
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395 RSurfaceManager::TSurfaceInfoV01& info = infoBuf(); |
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396 |
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397 User::LeaveIfError(iManager.SurfaceInfo(aSurface, infoBuf)); |
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398 TUint32 color = 0; |
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399 TBool use16 = EFalse; |
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400 TInt numBuffers = info.iBuffers; |
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401 if (aBuffer < 0 || aBuffer >= numBuffers) |
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402 { |
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403 User::Leave(KErrArgument); |
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404 } |
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405 |
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406 if (info.iSize.iHeight<0 || info.iSize.iWidth<0 || info.iStride<0) |
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407 { |
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408 User::Leave(KErrCorrupt); |
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409 } |
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410 if (info.iSize.iHeight==0 || info.iSize.iWidth==0 || info.iStride==0) |
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411 { |
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412 User::Leave(KErrNotReady); |
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413 } |
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414 |
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415 switch (info.iPixelFormat) |
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416 { |
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417 case EUidPixelFormatXRGB_8888: |
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418 { |
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419 color = aColor.Color16MU(); |
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420 #ifdef ALPHA_FIX_24BIT |
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421 color |= ((ALPHA_FIX_24BIT)&0xff)<<24; |
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422 #endif |
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423 break; |
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424 } |
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425 case EUidPixelFormatARGB_8888: |
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426 { |
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427 color = aColor.Color16MA(); |
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428 break; |
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429 } |
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430 case EUidPixelFormatARGB_8888_PRE: |
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431 { |
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432 color = aColor.Color16MAP(); |
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433 break; |
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434 } |
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435 case EUidPixelFormatXRGB_4444: |
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436 case EUidPixelFormatARGB_4444: |
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437 { |
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438 color = aColor.Color4K(); |
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439 use16 = ETrue; |
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440 break; |
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441 } |
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442 case EUidPixelFormatRGB_565: |
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443 { |
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444 color = aColor.Color64K(); |
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445 use16 = ETrue; |
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446 break; |
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447 } |
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448 default: |
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449 { |
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450 User::Leave(KErrNotSupported); |
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451 break; |
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452 } |
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453 } |
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454 |
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455 RChunk chunk; |
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456 User::LeaveIfError(iManager.MapSurface(aSurface, chunk)); |
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457 CleanupClosePushL(chunk); |
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458 |
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459 TInt offsetToBuffer; |
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460 User::LeaveIfError(iManager.GetBufferOffset(aSurface, aBuffer, offsetToBuffer)); |
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461 TUint8* surfacePtr = chunk.Base() + offsetToBuffer; |
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462 TUint8* linePtr = surfacePtr; |
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463 |
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464 if (use16) |
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465 { |
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466 if ( info.iSize.iWidth*2>info.iStride) |
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467 { |
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468 User::Leave(KErrOverflow); |
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469 } |
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470 TUint16* ptr = reinterpret_cast<TUint16*>(surfacePtr); |
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471 |
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472 // Fill first line |
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473 for (TInt xx = 0; xx < info.iSize.iWidth; xx++) |
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474 { |
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475 ptr[xx] = (TUint16)color; |
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476 } |
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477 } |
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478 else |
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479 { |
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480 if ( info.iSize.iWidth*4>info.iStride) |
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481 { |
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482 User::Leave(KErrOverflow); |
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483 } |
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484 TUint32* ptr = reinterpret_cast<TUint32*>(surfacePtr); |
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485 |
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486 // Fill first line |
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487 for (TInt xx = 0; xx < info.iSize.iWidth; xx++) |
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488 { |
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489 ptr[xx] = color; |
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490 } |
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491 } |
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492 |
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493 // Now copy that to the other lines |
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494 for (TInt yy = 1; yy < info.iSize.iHeight; yy++) |
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495 { |
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496 linePtr += info.iStride; |
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497 Mem::Copy(linePtr, surfacePtr, info.iSize.iWidth * BytesPerPixelL(info.iPixelFormat)); |
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498 } |
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499 |
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500 TInt err = SubmitUpdate(iScreenNum, aSurface, 0, NULL); |
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501 if (err!=KErrNone) |
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502 LOG(("Error submitting update: 0x%X\n", err)); |
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503 |
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504 CleanupStack::PopAndDestroy(/* chunk */); |
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505 } |
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506 |
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507 |
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508 /** |
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509 Destroy a surface. |
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510 |
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511 As well as destroying the surface, it is removed from the set held for |
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512 destruction during tear down. |
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513 |
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514 @param aSurface The surface to be destroyed. |
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515 */ |
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516 void CSurfaceUtility::DestroySurface(TSurfaceId& aSurface) |
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517 { |
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518 TInt index = iSurfaces.Find(aSurface); |
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519 |
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520 if (index != KErrNotFound) |
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521 { |
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522 iSurfaces.Remove(index); |
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523 } |
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524 |
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525 TInt err = iManager.CloseSurface(aSurface); |
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526 if (err!=KErrNone) |
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527 LOG(("Error closing surfaces: 0x%X\n", err)); |
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528 } |
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529 |
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530 |
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531 /** |
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532 Submit an update to a surface to the update server. |
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533 |
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534 @param aScreenNumber The screen to be updated where the surface is shown. |
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535 @param aSurface The surface which has been updated. |
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536 @param aRegion The area of the surface affected, or NULL for all of it. |
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537 */ |
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538 TInt CSurfaceUtility::SubmitUpdate(TInt aScreenNumber, const TSurfaceId& aSurface,TInt aBufferNumber, TInt aNullRegion) |
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539 { |
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540 if (aNullRegion==0) |
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541 { |
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542 return SubmitUpdate(aScreenNumber, aSurface, aBufferNumber); |
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543 } |
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544 else |
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545 if (aBufferNumber==0) |
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546 { |
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547 return SubmitUpdate(aScreenNumber, aSurface, aNullRegion); |
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548 } |
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549 else |
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550 { |
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551 return KErrNotSupported; |
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552 } |
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553 } |
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554 |
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555 TInt CSurfaceUtility::SubmitUpdate(TInt aScreenNumber, const TSurfaceId& aSurface, const TRegion* aRegion,TInt aBufferNumber) |
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556 { |
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557 return SubmitUpdate(aScreenNumber, aSurface, aBufferNumber, aRegion); |
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558 } |
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559 |
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560 TInt CSurfaceUtility::SubmitUpdate(TInt aScreenNumber, const TSurfaceId& aSurface,TInt aBufferNumber, const TRegion* aRegion) |
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561 { |
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562 if (!iSurfaceUpdateSession.Handle()) |
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563 { |
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564 iSurfaceUpdateSession.Connect(); |
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565 } |
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566 if (!iSurfaceUpdateSession.Handle()) |
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567 { |
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568 LOG(("Error - SUS client not started!")); |
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569 return KErrNotReady; |
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570 } |
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571 else |
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572 { |
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573 TInt err =iSurfaceUpdateSession.SubmitUpdate(aScreenNumber, aSurface, aBufferNumber, aRegion); |
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574 if (err!=KErrNone) |
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575 LOG(("Error submitting update: 0x%X\n", err)); |
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576 return err; |
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577 } |
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578 } |
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579 |
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580 void CSurfaceUtility::SetAutoUpdateScreenNum(TInt aScreenNum) |
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581 { |
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582 iScreenNum=aScreenNum; |
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583 } |
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584 |
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585 void CSurfaceUtility::FillNativeStreamSurfaceL(TSurfaceId& aSurface, TUint8* aBufferPtr, const TRgb& aColor) |
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586 { |
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587 RSurfaceManager::TInfoBuf infoBuf; |
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588 RSurfaceManager::TSurfaceInfoV01& info = infoBuf(); |
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589 |
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590 User::LeaveIfError(iManager.SurfaceInfo(aSurface, infoBuf)); |
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591 TUint32 color = 0; |
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592 TBool use16 = EFalse; |
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593 |
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594 if (info.iSize.iHeight<0 || info.iSize.iWidth<0 || info.iStride<0) |
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595 { |
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596 User::Leave(KErrCorrupt); |
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597 } |
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598 if (info.iSize.iHeight==0 || info.iSize.iWidth==0 || info.iStride==0) |
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599 { |
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600 User::Leave(KErrNotReady); |
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601 } |
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602 |
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603 switch (info.iPixelFormat) |
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604 { |
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605 case EUidPixelFormatXRGB_8888: |
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606 { |
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607 color = aColor.Color16MU(); |
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608 #ifdef ALPHA_FIX_24BIT |
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609 color |= ((ALPHA_FIX_24BIT)&0xff)<<24; |
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610 #endif |
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611 break; |
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612 } |
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613 case EUidPixelFormatARGB_8888: |
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614 { |
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615 color = aColor.Color16MA(); |
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616 break; |
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617 } |
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618 case EUidPixelFormatARGB_8888_PRE: |
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619 { |
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620 color = aColor.Color16MAP(); |
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621 break; |
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622 } |
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623 case EUidPixelFormatXRGB_4444: |
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624 case EUidPixelFormatARGB_4444: |
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625 { |
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626 color = aColor.Color4K(); |
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627 use16 = ETrue; |
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628 break; |
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629 } |
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630 case EUidPixelFormatRGB_565: |
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631 { |
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632 color = aColor.Color64K(); |
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633 use16 = ETrue; |
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634 break; |
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635 } |
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636 default: |
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637 { |
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638 User::Leave(KErrNotSupported); |
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639 break; |
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640 } |
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641 } |
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642 |
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643 TUint8* surfacePtr = aBufferPtr; |
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644 TUint8* linePtr = surfacePtr; |
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645 |
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646 if (use16) |
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647 { |
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648 if ( info.iSize.iWidth*2>info.iStride) |
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649 { |
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650 User::Leave(KErrOverflow); |
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651 } |
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652 TUint16* ptr = reinterpret_cast<TUint16*>(surfacePtr); |
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653 |
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654 // Fill first line |
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655 for (TInt xx = 0; xx < info.iSize.iWidth; xx++) |
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656 { |
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657 ptr[xx] = (TUint16)color; |
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658 } |
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659 } |
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660 else |
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661 { |
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662 if ( info.iSize.iWidth*4>info.iStride) |
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663 { |
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664 User::Leave(KErrOverflow); |
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665 } |
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666 TUint32* ptr = reinterpret_cast<TUint32*>(surfacePtr); |
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667 |
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668 // Fill first line |
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669 for (TInt xx = 0; xx < info.iSize.iWidth; xx++) |
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670 { |
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671 ptr[xx] = color; |
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672 } |
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673 } |
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674 |
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675 // Now copy that to the other lines |
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676 for (TInt yy = 1; yy < info.iSize.iHeight; yy++) |
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677 { |
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678 linePtr += info.iStride; |
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679 Mem::Copy(linePtr, surfacePtr, info.iSize.iWidth * BytesPerPixelL(info.iPixelFormat)); |
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680 } |
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681 } |
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682 |
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683 TBool CSurfaceUtility::CompareSurfacesL(TSurfaceId& aSurface, TInt aBuffer, TSurfaceId& aStreamSurface, TUint8* aBufferPtr) |
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684 { |
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685 RSurfaceManager::TInfoBuf infoBuf1; |
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686 RSurfaceManager::TSurfaceInfoV01& info1 = infoBuf1(); |
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687 |
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688 RSurfaceManager::TInfoBuf infoBuf2; |
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689 RSurfaceManager::TSurfaceInfoV01& info2 = infoBuf2(); |
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690 |
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691 User::LeaveIfError(iManager.SurfaceInfo(aSurface, infoBuf1)); |
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692 User::LeaveIfError(iManager.SurfaceInfo(aStreamSurface, infoBuf2)); |
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693 TBool use16 = EFalse; |
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694 |
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695 if (aBuffer < 0 || aBuffer >= info1.iBuffers) |
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696 { |
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697 User::Leave(KErrArgument); |
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698 } |
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699 |
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700 if (info1.iPixelFormat != info2.iPixelFormat) |
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701 { |
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702 User::Leave(KErrArgument); |
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703 } |
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704 |
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705 if ((info1.iSize.iHeight<0 || info1.iSize.iWidth<0 || info1.iStride<0) || |
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706 (info2.iSize.iHeight<0 || info2.iSize.iWidth<0 || info2.iStride<0)) |
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707 { |
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708 User::Leave(KErrCorrupt); |
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709 } |
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710 if ((info1.iSize.iHeight==0 || info1.iSize.iWidth==0 || info1.iStride==0) || |
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711 (info2.iSize.iHeight==0 || info2.iSize.iWidth==0 || info2.iStride==0)) |
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712 { |
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713 User::Leave(KErrNotReady); |
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714 } |
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715 if (info1.iSize != info2.iSize) |
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716 { |
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717 User::Leave(KErrArgument); |
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718 } |
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719 |
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720 switch (info1.iPixelFormat) |
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721 { |
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722 case EUidPixelFormatXRGB_8888: |
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723 case EUidPixelFormatARGB_8888: |
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724 case EUidPixelFormatARGB_8888_PRE: |
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725 { |
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726 break; |
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727 } |
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728 case EUidPixelFormatXRGB_4444: |
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729 case EUidPixelFormatARGB_4444: |
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730 case EUidPixelFormatRGB_565: |
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731 { |
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732 use16 = ETrue; |
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733 break; |
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734 } |
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735 default: |
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736 { |
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737 User::Leave(KErrNotSupported); |
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738 break; |
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739 } |
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740 } |
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741 |
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742 // Surface |
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743 RChunk chunk; |
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744 User::LeaveIfError(iManager.MapSurface(aSurface, chunk)); |
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745 CleanupClosePushL(chunk); |
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746 |
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747 TInt offsetToBuffer; |
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748 User::LeaveIfError(iManager.GetBufferOffset(aSurface, aBuffer, offsetToBuffer)); |
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749 TUint8* surfacePtr1 = chunk.Base() + offsetToBuffer; |
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750 |
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751 // Native stream |
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752 TUint8* surfacePtr2 = aBufferPtr; |
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753 |
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754 TUint32 color1 = 0; |
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755 TUint32 color2 = 0; |
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756 |
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757 if (use16) |
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758 { |
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759 if ((info1.iSize.iWidth*2>info1.iStride) || |
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760 (info2.iSize.iWidth*2>info2.iStride)) |
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761 { |
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762 User::Leave(KErrOverflow); |
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763 } |
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764 |
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765 TUint16* ptr1 = reinterpret_cast<TUint16*>(surfacePtr1); |
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766 TUint16* ptr2 = reinterpret_cast<TUint16*>(surfacePtr2); |
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767 |
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768 // Fill first line |
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769 for (TInt xx = 0; xx < info1.iSize.iWidth; xx++) |
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770 { |
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771 for (TInt yy = 0; yy < info1.iSize.iHeight; yy++) |
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772 { |
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773 color1 = (TUint16)ptr1[xx]; |
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774 color2 = (TUint16)ptr2[xx]; |
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775 if (color1 != color2) |
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776 { |
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777 return EFalse; |
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778 } |
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779 } |
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780 } |
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781 } |
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782 else |
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783 { |
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784 if ((info1.iSize.iWidth*4>info1.iStride) || |
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785 (info2.iSize.iWidth*4>info2.iStride)) |
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786 { |
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787 User::Leave(KErrOverflow); |
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788 } |
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789 |
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790 TUint32* ptr1 = reinterpret_cast<TUint32*>(surfacePtr1); |
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791 TUint32* ptr2 = reinterpret_cast<TUint32*>(surfacePtr2); |
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792 |
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793 // Fill first line |
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794 for (TInt xx = 0; xx < info1.iSize.iWidth; xx++) |
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795 { |
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796 for (TInt yy = 0; yy < info1.iSize.iHeight; yy++) |
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797 { |
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798 color1 = ptr1[xx]; |
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799 color2 = ptr2[xx]; |
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800 if (color1 != color2) |
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801 { |
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802 CleanupStack::PopAndDestroy(/* chunk */); |
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803 return EFalse; |
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804 } |
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805 } |
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806 } |
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807 } |
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808 |
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809 CleanupStack::PopAndDestroy(/* chunk */); |
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810 return ETrue; |
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811 } |
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812 |
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813 void CSurfaceUtility::NotifyWhenDisplayed(TRequestStatus& aStatusDisplayed, TTimeStamp& aTimeStamp) |
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814 { |
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815 iSurfaceUpdateSession.NotifyWhenDisplayed(aStatusDisplayed, aTimeStamp); |
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816 } |
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817 |
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818 void CSurfaceUtility::NotifyWhenDisplayedXTimes(TInt aCount, TRequestStatus& aStatusDisplayedX) |
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819 { |
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820 iSurfaceUpdateSession.NotifyWhenDisplayedXTimes(aCount, aStatusDisplayedX); |
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821 } |
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822 |
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823 void CSurfaceUtility::NotifyWhenAvailable(TRequestStatus& aStatusAvailable) |
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824 { |
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825 iSurfaceUpdateSession.NotifyWhenAvailable(aStatusAvailable); |
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826 } |