1 | /* $Id: VBoxDispMini.cpp 37423 2011-06-12 18:37:56Z vboxsync $ */
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2 |
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3 | /** @file
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4 | * VBox XPDM Display driver, helper functions which interacts with our miniport driver
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5 | */
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6 |
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7 | /*
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8 | * Copyright (C) 2011 Oracle Corporation
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9 | *
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10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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11 | * available from http://www.virtualbox.org. This file is free software;
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12 | * you can redistribute it and/or modify it under the terms of the GNU
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13 | * General Public License (GPL) as published by the Free Software
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14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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17 | */
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18 |
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19 | #include "VBoxDisp.h"
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20 | #include "VBoxDispMini.h"
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21 | #include <iprt/asm.h>
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22 |
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23 | /* Returns if given video mode is supported by display driver */
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24 | static BOOL VBoxDispVideoModeSupported(const PVIDEO_MODE_INFORMATION pMode)
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25 | {
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26 | if ((pMode->NumberOfPlanes==1)
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27 | && (pMode->AttributeFlags & VIDEO_MODE_GRAPHICS)
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28 | && !(pMode->AttributeFlags & VIDEO_MODE_BANKED)
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29 | && (pMode->BitsPerPlane==8 || pMode->BitsPerPlane==16 || pMode->BitsPerPlane==24 || pMode->BitsPerPlane==32))
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30 | {
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31 | return TRUE;
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32 | }
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33 | return FALSE;
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34 | }
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35 |
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36 | /* Returns list video modes supported by both miniport and display driver.
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37 | * Note: caller is resposible to free up ppModesTable.
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38 | */
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39 | int VBoxDispMPGetVideoModes(HANDLE hDriver, PVIDEO_MODE_INFORMATION *ppModesTable, ULONG *pcModes)
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40 | {
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41 | DWORD dwrc;
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42 | VIDEO_NUM_MODES numModes;
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43 | ULONG cbReturned, i, j, cSupportedModes;
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44 | PVIDEO_MODE_INFORMATION pMiniportModes, pMode;
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45 |
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46 | LOGF_ENTER();
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47 |
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48 | /* Get number of video modes supported by miniport */
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49 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES, NULL, 0,
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50 | &numModes, sizeof(VIDEO_NUM_MODES), &cbReturned);
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51 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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52 |
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53 | if (numModes.ModeInformationLength != sizeof(VIDEO_MODE_INFORMATION))
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54 | {
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55 | WARN(("sizeof(VIDEO_MODE_INFORMATION) differs for miniport and display drivers. "
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56 | "Check that both are compiled with same ddk version!"));
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57 | }
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58 |
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59 | /* Allocate temp buffer */
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60 | pMiniportModes = (PVIDEO_MODE_INFORMATION)
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61 | EngAllocMem(0, numModes.NumModes*numModes.ModeInformationLength, MEM_ALLOC_TAG);
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62 |
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63 | if (!pMiniportModes)
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64 | {
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65 | WARN(("not enough memory!"));
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66 | return VERR_NO_MEMORY;
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67 | }
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68 |
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69 | /* Get video modes supported by miniport */
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70 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_QUERY_AVAIL_MODES, NULL, 0,
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71 | pMiniportModes, numModes.NumModes*numModes.ModeInformationLength, &cbReturned);
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72 | if (dwrc != NO_ERROR)
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73 | {
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74 | EngFreeMem(pMiniportModes);
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75 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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76 | }
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77 |
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78 | /* Check which of miniport modes are supprted by display driver.
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79 | * Note: size of VIDEO_MODE_INFORMATION is returned by miniport driver in numModes.ModeInformationLength,
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80 | * it might be different from the one we have here.
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81 | */
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82 | cSupportedModes = 0;
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83 | pMode = pMiniportModes;
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84 | for (i=0; i<numModes.NumModes; ++i)
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85 | {
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86 | /*sanity check*/
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87 | if (pMode->Length != sizeof(VIDEO_MODE_INFORMATION))
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88 | {
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89 | WARN(("Unexpected mode len %i expected %i!", pMode->Length, sizeof(VIDEO_MODE_INFORMATION)));
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90 | }
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91 |
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92 | if (VBoxDispVideoModeSupported(pMode))
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93 | {
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94 | cSupportedModes++;
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95 | }
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96 | else
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97 | {
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98 | pMode->Length = 0;
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99 | }
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100 |
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101 | pMode = (PVIDEO_MODE_INFORMATION) (((PUCHAR)pMode)+numModes.ModeInformationLength);
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102 | }
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103 | *pcModes = cSupportedModes;
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104 |
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105 | if (0==cSupportedModes)
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106 | {
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107 | WARN(("0 video modes supported!"));
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108 | EngFreeMem(pMiniportModes);
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109 | return VERR_NOT_SUPPORTED;
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110 | }
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111 |
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112 | /* Allocate and zero output buffer */
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113 | *ppModesTable = (PVIDEO_MODE_INFORMATION)
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114 | EngAllocMem(FL_ZERO_MEMORY, cSupportedModes*sizeof(VIDEO_MODE_INFORMATION), MEM_ALLOC_TAG);
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115 |
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116 | if (!*ppModesTable)
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117 | {
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118 | WARN(("not enough memory!"));
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119 | EngFreeMem(pMiniportModes);
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120 | return VERR_NO_MEMORY;
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121 | }
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122 |
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123 | /* Copy supported modes to output buffer */
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124 | pMode = pMiniportModes;
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125 | for (j=0, i=0; i<numModes.NumModes; ++i)
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126 | {
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127 | if (pMode->Length != 0)
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128 | {
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129 | memcpy(&(*ppModesTable)[j], pMode, numModes.ModeInformationLength);
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130 | ++j;
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131 | }
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132 |
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133 | pMode = (PVIDEO_MODE_INFORMATION) (((PUCHAR)pMode)+numModes.ModeInformationLength);
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134 | }
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135 | Assert(j==cSupportedModes);
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136 |
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137 | /* Free temp buffer */
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138 | EngFreeMem(pMiniportModes);
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139 |
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140 | LOGF_LEAVE();
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141 | return VINF_SUCCESS;
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142 | }
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143 |
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144 | /* Query miniport for mouse pointer caps */
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145 | int VBoxDispMPGetPointerCaps(HANDLE hDriver, PVIDEO_POINTER_CAPABILITIES pCaps)
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146 | {
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147 | DWORD dwrc;
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148 | ULONG cbReturned;
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149 |
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150 | LOGF_ENTER();
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151 |
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152 | memset(pCaps, 0, sizeof(VIDEO_POINTER_CAPABILITIES));
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153 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES, NULL, 0,
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154 | pCaps, sizeof(VIDEO_POINTER_CAPABILITIES), &cbReturned);
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155 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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156 | VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES", cbReturned, sizeof(VIDEO_POINTER_CAPABILITIES), VERR_DEV_IO_ERROR);
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157 |
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158 | LOGF_LEAVE();
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159 | return VINF_SUCCESS;
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160 | }
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161 |
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162 | /* Set device mode */
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163 | int VBoxDispMPSetCurrentMode(HANDLE hDriver, ULONG ulMode)
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164 | {
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165 | DWORD dwrc;
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166 | ULONG cbReturned;
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167 | VIDEO_MODE mode;
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168 | LOGF_ENTER();
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169 |
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170 | mode.RequestedMode = ulMode;
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171 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_SET_CURRENT_MODE, &mode, sizeof(VIDEO_MODE), NULL, 0, &cbReturned);
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172 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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173 |
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174 | LOGF_LEAVE();
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175 | return VINF_SUCCESS;
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176 | }
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177 |
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178 | /* Map device framebuffer and VRAM to our virtual address space */
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179 | int VBoxDispMPMapMemory(PVBOXDISPDEV pDev, PVIDEO_MEMORY_INFORMATION pMemInfo)
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180 | {
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181 | DWORD dwrc;
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182 | ULONG cbReturned;
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183 | VIDEO_MEMORY vMem;
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184 | VIDEO_MEMORY_INFORMATION vMemInfo;
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185 | LOGF_ENTER();
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186 |
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187 | Assert(!pDev->memInfo.FrameBufferBase && !pDev->memInfo.VideoRamBase);
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188 |
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189 | vMem.RequestedVirtualAddress = NULL;
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190 | dwrc = EngDeviceIoControl(pDev->hDriver, IOCTL_VIDEO_MAP_VIDEO_MEMORY, &vMem, sizeof(vMem), &vMemInfo, sizeof(vMemInfo), &cbReturned);
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191 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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192 | VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_MAP_VIDEO_MEMORY", cbReturned, sizeof(vMemInfo), VERR_DEV_IO_ERROR);
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193 |
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194 | if (vMemInfo.FrameBufferBase != vMemInfo.VideoRamBase)
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195 | {
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196 | WARN(("FrameBufferBase!=VideoRamBase."));
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197 | return VERR_GENERAL_FAILURE;
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198 | }
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199 |
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200 | /* Check if we can access mapped memory */
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201 | uint32_t magic = (*(ULONG *)vMemInfo.FrameBufferBase == 0xDEADF00D) ? 0xBAADF00D : 0xDEADF00D;
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202 |
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203 | ASMAtomicWriteU32((uint32_t *)vMemInfo.FrameBufferBase, magic);
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204 | if (ASMAtomicReadU32((uint32_t *)vMemInfo.FrameBufferBase) != magic)
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205 | {
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206 | WARN(("can't write to framebuffer memory!"));
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207 | return VERR_GENERAL_FAILURE;
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208 | }
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209 |
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210 | memcpy(pMemInfo, &vMemInfo, sizeof(vMemInfo));
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211 |
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212 | LOGF_LEAVE();
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213 | return VINF_SUCCESS;
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214 | }
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215 |
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216 | int VBoxDispMPUnmapMemory(PVBOXDISPDEV pDev)
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217 | {
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218 | DWORD dwrc;
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219 | ULONG cbReturned;
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220 | VIDEO_MEMORY vMem;
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221 | LOGF_ENTER();
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222 |
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223 | vMem.RequestedVirtualAddress = pDev->memInfo.VideoRamBase;
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224 | dwrc = EngDeviceIoControl(pDev->hDriver, IOCTL_VIDEO_UNMAP_VIDEO_MEMORY, &vMem, sizeof(vMem), NULL, 0, &cbReturned);
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225 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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226 |
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227 | memset(&pDev->memInfo, 0, sizeof(VIDEO_MEMORY_INFORMATION));
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228 |
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229 | LOGF_LEAVE();
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230 | return VINF_SUCCESS;
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231 | }
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232 |
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233 | int VBoxDispMPQueryHGSMIInfo(HANDLE hDriver, QUERYHGSMIRESULT *pInfo)
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234 | {
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235 | DWORD dwrc;
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236 | ULONG cbReturned;
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237 | LOGF_ENTER();
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238 |
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239 | memset(pInfo, 0, sizeof(QUERYHGSMIRESULT));
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240 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_QUERY_HGSMI_INFO, NULL, 0,
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241 | pInfo, sizeof(QUERYHGSMIRESULT), &cbReturned);
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242 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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243 | VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_QUERY_HGSMI_INFO", cbReturned, sizeof(QUERYHGSMIRESULT), VERR_DEV_IO_ERROR);
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244 |
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245 | LOGF_LEAVE();
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246 | return VINF_SUCCESS;
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247 | }
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248 |
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249 | int VBoxDispMPQueryHGSMICallbacks(HANDLE hDriver, HGSMIQUERYCALLBACKS *pCallbacks)
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250 | {
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251 | DWORD dwrc;
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252 | ULONG cbReturned;
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253 | LOGF_ENTER();
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254 |
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255 | memset(pCallbacks, 0, sizeof(HGSMIQUERYCALLBACKS));
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256 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_HGSMI_QUERY_CALLBACKS, NULL, 0,
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257 | pCallbacks, sizeof(HGSMIQUERYCALLBACKS), &cbReturned);
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258 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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259 | VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_HGSMI_QUERY_CALLBACKS", cbReturned, sizeof(HGSMIQUERYCALLBACKS), VERR_DEV_IO_ERROR);
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260 |
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261 | LOGF_LEAVE();
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262 | return VINF_SUCCESS;
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263 | }
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264 |
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265 | int VBoxDispMPHGSMIQueryPortProcs(HANDLE hDriver, HGSMIQUERYCPORTPROCS *pPortProcs)
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266 | {
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267 | DWORD dwrc;
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268 | ULONG cbReturned;
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269 | LOGF_ENTER();
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270 |
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271 | memset(pPortProcs, 0, sizeof(HGSMIQUERYCPORTPROCS));
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272 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_HGSMI_QUERY_PORTPROCS, NULL, 0,
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273 | pPortProcs, sizeof(HGSMIQUERYCPORTPROCS), &cbReturned);
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274 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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275 | VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_HGSMI_QUERY_PORTPROCS", cbReturned, sizeof(HGSMIQUERYCPORTPROCS), VERR_DEV_IO_ERROR);
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276 |
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277 | LOGF_LEAVE();
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278 | return VINF_SUCCESS;
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279 | }
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280 |
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281 | int VBoxDispMPVHWAQueryInfo(HANDLE hDriver, VHWAQUERYINFO *pInfo)
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282 | {
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283 | DWORD dwrc;
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284 | ULONG cbReturned;
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285 | LOGF_ENTER();
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286 |
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287 | memset(pInfo, 0, sizeof(VHWAQUERYINFO));
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288 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_VHWA_QUERY_INFO, NULL, 0,
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289 | pInfo, sizeof(VHWAQUERYINFO), &cbReturned);
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290 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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291 | VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_VHWA_QUERY_INFO", cbReturned, sizeof(VHWAQUERYINFO), VERR_DEV_IO_ERROR);
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292 |
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293 | LOGF_LEAVE();
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294 | return VINF_SUCCESS;
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295 | }
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296 |
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297 | int VBoxDispMPSetColorRegisters(HANDLE hDriver, PVIDEO_CLUT pClut, DWORD cbClut)
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298 | {
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299 | DWORD dwrc;
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300 | ULONG cbReturned;
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301 | LOGF_ENTER();
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302 |
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303 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_SET_COLOR_REGISTERS, pClut, cbClut, NULL, 0, &cbReturned);
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304 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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305 |
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306 | LOGF_LEAVE();
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307 | return VINF_SUCCESS;
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308 | }
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309 |
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310 | int VBoxDispMPDisablePointer(HANDLE hDriver)
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311 | {
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312 | DWORD dwrc;
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313 | ULONG cbReturned;
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314 | LOGF_ENTER();
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315 |
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316 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_DISABLE_POINTER, NULL, 0, NULL, 0, &cbReturned);
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317 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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318 |
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319 | LOGF_LEAVE();
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320 | return VINF_SUCCESS;
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321 | }
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322 |
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323 | int VBoxDispMPSetPointerPosition(HANDLE hDriver, PVIDEO_POINTER_POSITION pPos)
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324 | {
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325 | DWORD dwrc;
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326 | ULONG cbReturned;
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327 | LOGF_ENTER();
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328 |
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329 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_SET_POINTER_POSITION, pPos, sizeof(VIDEO_POINTER_POSITION),
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330 | NULL, 0, &cbReturned);
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331 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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332 |
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333 | LOGF_LEAVE();
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334 | return VINF_SUCCESS;
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335 | }
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336 |
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337 | int VBoxDispMPSetPointerAttrs(PVBOXDISPDEV pDev)
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338 | {
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339 | DWORD dwrc;
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340 | ULONG cbReturned;
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341 | LOGF_ENTER();
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342 |
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343 | Assert(pDev->pointer.pAttrs);
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344 |
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345 | dwrc = EngDeviceIoControl(pDev->hDriver, IOCTL_VIDEO_SET_POINTER_ATTR, pDev->pointer.pAttrs, pDev->pointer.cbAttrs,
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346 | NULL, 0, &cbReturned);
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347 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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348 |
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349 | LOGF_LEAVE();
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350 | return VINF_SUCCESS;
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351 | }
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352 |
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353 | int VBoxDispMPSetVisibleRegion(HANDLE hDriver, PRTRECT pRects, DWORD cRects)
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354 | {
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355 | DWORD dwrc;
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356 | ULONG cbReturned;
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357 | LOGF_ENTER();
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358 |
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359 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_VBOX_SETVISIBLEREGION, pRects, cRects*sizeof(RTRECT),
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360 | NULL, 0, &cbReturned);
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361 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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362 |
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363 | LOGF_LEAVE();
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364 | return VINF_SUCCESS;
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365 | }
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366 |
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367 | int VBoxDispMPResetDevice(HANDLE hDriver)
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368 | {
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369 | DWORD dwrc;
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370 | ULONG cbReturned;
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371 | LOGF_ENTER();
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372 |
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373 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_RESET_DEVICE, NULL, 0, NULL, 0, &cbReturned);
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374 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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375 |
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376 | LOGF_LEAVE();
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377 | return VINF_SUCCESS;
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378 | }
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379 |
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380 | int VBoxDispMPShareVideoMemory(HANDLE hDriver, PVIDEO_SHARE_MEMORY pSMem, PVIDEO_SHARE_MEMORY_INFORMATION pSMemInfo)
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381 | {
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382 | DWORD dwrc;
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383 | ULONG cbReturned;
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384 | LOGF_ENTER();
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385 |
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386 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_SHARE_VIDEO_MEMORY, pSMem, sizeof(VIDEO_SHARE_MEMORY),
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387 | pSMemInfo, sizeof(VIDEO_SHARE_MEMORY_INFORMATION), &cbReturned);
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388 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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389 | VBOX_WARN_IOCTLCB_RETRC("IOCTL_VIDEO_SHARE_VIDEO_MEMORY", cbReturned,
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390 | sizeof(VIDEO_SHARE_MEMORY_INFORMATION), VERR_DEV_IO_ERROR);
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391 |
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392 | LOGF_LEAVE();
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393 | return VINF_SUCCESS;
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394 | }
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395 |
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396 | int VBoxDispMPUnshareVideoMemory(HANDLE hDriver, PVIDEO_SHARE_MEMORY pSMem)
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397 | {
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398 | DWORD dwrc;
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399 | ULONG cbReturned;
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400 | LOGF_ENTER();
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401 |
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402 | dwrc = EngDeviceIoControl(hDriver, IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY, pSMem, sizeof(VIDEO_SHARE_MEMORY),
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403 | NULL, 0, &cbReturned);
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404 | VBOX_CHECK_WINERR_RETRC(dwrc, VERR_DEV_IO_ERROR);
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405 |
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406 | LOGF_LEAVE();
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407 | return VINF_SUCCESS;
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408 | }
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