author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 09:24:54 +0200 | |
changeset 9 | 96e5fb8b040d |
child 20 | 597aaf25e343 |
permissions | -rw-r--r-- |
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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// Overview: |
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// Test the video driver kernel extension that provides chunk handle to access video memory. |
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// API Information: |
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// HAL, UserSvr |
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// Details: |
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// - Check that the "old" GetMemoryAddress function still works, for legacy compatibility. |
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// - Check that we can get a chunk and that we can read/write the memory belonging to that chunk. |
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// - Check that asking for a DisplayMemoryHandle twice gives the same piece of memory. |
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// - Test that the same memory is available to a second process, by starting second process and |
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// the second process can write to memory. Validate by confirming that the value in the second process |
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// is changed. |
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// Platforms/Drives/Compatibility: |
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// All. |
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// Assumptions/Requirement/Pre-requisites: |
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// Failures and causes: |
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// Base Port information: |
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// |
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// |
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#include <e32test.h> |
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#include <videodriver.h> |
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#include <hal.h> |
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#include <e32svr.h> |
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#include <dispchannel.h> |
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#include "t_videomemory.h" |
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LOCAL_D RTest test(_L("T_VIDEOMEMORY")); |
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#ifndef __WINS__ |
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#define DUMP(x) test.Printf(_L(#x"= %d =0x%08x\n"), x, x) |
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#endif |
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LOCAL_C void RunTestsForScreen(TInt aScreenID) |
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{ |
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TInt ret = KErrNone; |
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#ifdef __WINS__ |
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RDisplayChannel displayChannel; |
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test.Next(_L("Open Display Driver")); |
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_LIT(KDisplayDriver, "display0"); |
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ret = User::LoadLogicalDevice(KDisplayDriver); |
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test(KErrNone == ret || KErrAlreadyExists == ret); |
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ret = displayChannel.Open(aScreenID); |
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test(KErrNone == ret); |
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#endif |
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test.Next(_L("Checking Display Memory Address")); |
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// This is the real basic form of test: |
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// Get the display memory address from the HAL. |
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// Check that it's not zero - that would be invalid memory. |
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// Try to write to the memory - it should not give a page-fault/crash. |
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// Try to read the memory - we should get the same value as we wrote. |
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TInt memoryAddress=0; |
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volatile TUint32 *pMemory = 0; |
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ret = HAL::Get(aScreenID, HAL::EDisplayMemoryAddress, memoryAddress); |
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test (KErrNone == ret || KErrNotSupported == ret); |
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if (KErrNone == ret) |
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{ |
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test.Printf(_L("Display Memory Address = %08x\n"), memoryAddress); |
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// Now check that we can write to memoryAddress: |
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test (memoryAddress != 0); |
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pMemory = reinterpret_cast<TUint32 *>(memoryAddress); |
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*pMemory = KTestValue1; |
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test(KTestValue1 == *pMemory); |
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} |
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else |
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{ |
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test.Printf(_L("Memory Address not available from HAL\n")); |
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} |
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// Second basic test. Use the HAL to fetch a handle |
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// to the display memory. |
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// Check that the handle is not zero. |
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// Get the base-address of the chunk. |
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// Write this base address with a new value. |
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// Read with the chunk base address to see that teh new value is there. |
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// Read the memory address from the above test and check that it changed |
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// to the new value. |
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// Note that the memory address from above test MAY NOT BE SET - so |
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// check to see if it's non-zero first. |
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103 |
|
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104 |
test.Next(_L("Checking Display Handle")); |
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TInt handle = 0; |
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106 |
volatile TUint32 *pChunkBase = 0; |
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107 |
RChunk chunk; |
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108 |
ret = HAL::Get(aScreenID, HALData::EDisplayMemoryHandle, handle); |
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109 |
test ((KErrNone == ret || KErrNotSupported == ret)); |
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110 |
if (KErrNone == ret) |
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111 |
{ |
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112 |
// Handle should not be zero. |
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113 |
test(0 != handle); |
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114 |
ret = chunk.SetReturnedHandle(handle); |
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115 |
test(KErrNone == ret); |
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|
116 |
|
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117 |
pChunkBase = reinterpret_cast<TUint32 *>(chunk.Base()); |
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118 |
test.Printf(_L("Display Memory Address = %08x\n"), reinterpret_cast<TUint>(pChunkBase)); |
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119 |
*pChunkBase = KTestValue2; |
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120 |
test(KTestValue2 == *pChunkBase); |
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121 |
// We should see the new value through the pMemory pointer! |
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122 |
if (pMemory) |
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123 |
{ |
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124 |
test(KTestValue2 == *pMemory); |
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125 |
} |
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126 |
|
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127 |
} |
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128 |
else |
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129 |
{ |
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130 |
test.Printf(_L("Memory Handle not available from HAL - no point in further testing\n")); |
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131 |
return; |
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132 |
} |
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133 |
|
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|
134 |
|
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135 |
// Check that we can write to more than the first bit of memory. |
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136 |
test.Next(_L("Check that we can write to \"all\" of the memory")); |
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137 |
// First, find the mode with the biggest number of bits per pixel: |
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138 |
TInt totalModes; |
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139 |
ret = HAL::Get(aScreenID, HAL::EDisplayNumModes, totalModes); |
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140 |
test (KErrNone == ret); |
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141 |
TInt biggestMode = 0; |
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142 |
TInt maxBitsPerPixel = 0; |
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143 |
for(TInt mode = 0; mode < totalModes; mode++) |
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144 |
{ |
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145 |
TInt bitsPerPixel = mode; |
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146 |
ret = HAL::Get(aScreenID, HAL::EDisplayBitsPerPixel, bitsPerPixel); |
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147 |
test (KErrNone == ret); |
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148 |
if (bitsPerPixel > maxBitsPerPixel) |
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149 |
{ |
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150 |
maxBitsPerPixel = bitsPerPixel; |
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151 |
biggestMode = mode; |
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152 |
} |
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153 |
} |
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|
154 |
|
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155 |
TInt offsetToFirstPixel = biggestMode; |
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156 |
ret = HAL::Get(aScreenID, HALData::EDisplayOffsetToFirstPixel, offsetToFirstPixel); |
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157 |
test(KErrNone == ret); |
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|
158 |
|
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159 |
TInt stride = biggestMode; |
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160 |
ret = HAL::Get(aScreenID, HALData::EDisplayOffsetBetweenLines, stride); |
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|
161 |
test(KErrNone == ret); |
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|
162 |
|
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|
163 |
TInt yPixels = biggestMode; |
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|
164 |
ret = HAL::Get(aScreenID, HALData::EDisplayYPixels, yPixels); |
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|
165 |
test(KErrNone == ret); |
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|
166 |
|
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|
167 |
// Note this is no attempt to be precise. xPixels is not |
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|
168 |
TUint maxByte = offsetToFirstPixel + stride * yPixels - sizeof(TUint32); |
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|
169 |
|
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170 |
volatile TUint32 *memPtr = reinterpret_cast<volatile TUint32 *>(reinterpret_cast<volatile TUint8 *>(pChunkBase) + maxByte); |
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|
171 |
*memPtr = KTestValue1; |
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|
172 |
test(KTestValue1 == *memPtr); |
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|
173 |
|
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|
174 |
|
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|
175 |
// Ask for a second handle and see that this also points to the same bit of memory. |
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|
176 |
test.Next(_L("Checking Display Handle second time")); |
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|
177 |
volatile TUint32 *pChunkBase2 = 0; |
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|
178 |
ret = HAL::Get(aScreenID, HALData::EDisplayMemoryHandle, handle); |
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|
179 |
test ((KErrNone == ret || KErrNotSupported == ret)); |
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|
180 |
if (KErrNone == ret) |
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|
181 |
{ |
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|
182 |
// Handle should not be zero! |
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|
183 |
test(0 != handle); |
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|
184 |
RChunk chunk2; |
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|
185 |
ret = chunk2.SetReturnedHandle(handle); |
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|
186 |
test(KErrNone == ret); |
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|
187 |
|
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|
188 |
pChunkBase2 = reinterpret_cast<TUint32 *>(chunk2.Base()); |
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|
189 |
test.Printf(_L("Display Memory Address = %08x\n"), reinterpret_cast<TUint>(pChunkBase)); |
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|
190 |
test(KTestValue2 == *pChunkBase2); |
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|
191 |
*pChunkBase2 = KTestValue3; |
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|
192 |
test(KTestValue3 == *pChunkBase2); |
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|
193 |
chunk2.Close(); |
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|
194 |
} |
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|
195 |
|
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|
196 |
test.Next(_L("Checking Display Handle using second process")); |
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|
197 |
|
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|
198 |
// Create a process, let it find the handle of the memory, then read it, and write it. |
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|
199 |
// Check that the value we have is the new value: KTestValue3. |
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|
200 |
_LIT(KProcName, "t_videomemprocess.exe"); |
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|
201 |
RProcess process; |
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|
202 |
|
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|
203 |
ret = process.Create(KProcName, KNullDesC); |
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test(KErrNone == ret); |
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TRequestStatus procStatus; |
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process.Logon(procStatus); |
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process.SetParameter(12, aScreenID); |
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process.Resume(); |
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User::WaitForRequest(procStatus); |
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test.Next(_L("Checking that second process updated video memory")); |
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// Check that we got the new value. |
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test(KTestValue4 == *pChunkBase); |
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|
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chunk.Close(); |
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|
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#ifdef __WINS__ |
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displayChannel.Close(); |
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#endif |
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|
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// Now for some negative tests: Attempt to get a handle for a closes display. |
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test.Next(_L("Negative test: Check that we CAN NOT use closed screen")); |
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ret = HAL::Get(aScreenID, HALData::EDisplayMemoryHandle, handle); |
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test (KErrNone != ret); |
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} |
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|
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|
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|
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LOCAL_C void NegativeTests(TInt aMaxScreens) |
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{ |
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TInt handle; |
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TInt ret; |
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// Another few negative tests: Try invalid screen numbers. |
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test.Next(_L("Negative tests: Invalid screen ID's")); |
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ret = HAL::Get(aMaxScreens, HALData::EDisplayMemoryHandle, handle); |
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test (KErrNone != ret); |
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|
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ret = HAL::Get(aMaxScreens+1, HALData::EDisplayMemoryHandle, handle); |
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test (KErrNone != ret); |
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|
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ret = HAL::Get(4718, HALData::EDisplayMemoryHandle, handle); |
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test (KErrNone != ret); |
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|
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ret = HAL::Get(-1, HALData::EDisplayMemoryHandle, handle); |
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test (KErrNone != ret); |
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} |
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|
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|
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|
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GLDEF_C TInt E32Main() |
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// |
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// |
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{ |
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|
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test.Title(); |
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// |
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#if defined(__EPOC32__) && defined(__CPU_X86) |
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test.Printf(_L("Doesn't run on X86\n")); |
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#else |
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|
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test.Start(_L("Testing Video Memory HAL interfaces")); |
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|
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TInt screens = 0; |
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TInt ret=HAL::Get(HAL::EDisplayNumberOfScreens, screens); |
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test((KErrNone == ret)); |
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// We expect that there is at least ONE screen. |
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test((screens > 0)); |
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|
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for(TInt i=0;i<screens;i++) |
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{ |
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RunTestsForScreen(i); |
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} |
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|
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NegativeTests(screens); |
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#endif |
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|
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return KErrNone; |
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} |