1 | /** @file
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2 | * VBox OpenGL
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3 | */
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4 |
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5 | /*
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6 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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7 | *
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8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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9 | * available from http://www.virtualbox.org. This file is free software;
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10 | * you can redistribute it and/or modify it under the terms of the GNU
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11 | * General Public License (GPL) as published by the Free Software
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12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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15 | *
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16 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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17 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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18 | * additional information or have any questions.
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19 | */
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20 |
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21 |
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22 | #include <iprt/alloc.h>
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23 | #include <iprt/string.h>
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24 | #include <iprt/assert.h>
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25 | #include <iprt/thread.h>
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26 | #include <VBox/err.h>
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27 | #include "vboxgl.h"
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28 |
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29 | #define LOG_GROUP LOG_GROUP_SHARED_OPENGL
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30 | #include <VBox/log.h>
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31 | #include "gldrv.h"
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32 |
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33 | #ifdef VBOX_OGL_DEBUG_WINDOW_OUTPUT
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34 | LRESULT CALLBACK VBoxOGLWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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35 | {
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36 | switch (message)
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37 | {
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38 | case WM_CREATE:
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39 | return 0;
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40 |
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41 | case WM_CLOSE:
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42 | PostQuitMessage( 0 );
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43 | return 0;
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44 |
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45 | case WM_DESTROY:
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46 | return 0;
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47 |
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48 | default:
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49 | return DefWindowProc( hWnd, message, wParam, lParam );
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50 | }
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51 | }
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52 |
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53 | DECLCALLBACK(int) vboxWndThread(RTTHREAD ThreadSelf, void *pvUser)
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54 | {
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55 | VBOXOGLCTX *pClient = (VBOXOGLCTX *)pvUser;
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56 | HWND hwnd;
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57 |
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58 | hwnd = pClient->hwnd= CreateWindow("VBoxOGL", "VirtualBox OpenGL",
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59 | WS_CAPTION | WS_POPUPWINDOW | WS_VISIBLE,
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60 | 0, 0, 0, 0,
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61 | NULL, NULL, 0, NULL);
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62 | Assert(hwnd);
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63 | while(true)
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64 | {
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65 | MSG msg;
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66 |
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67 | if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
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68 | {
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69 | if (msg.message == WM_QUIT)
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70 | break;
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71 |
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72 | TranslateMessage(&msg);
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73 | DispatchMessage(&msg);
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74 | }
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75 | }
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76 | DestroyWindow(hwnd);
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77 | return VINF_SUCCESS;
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78 | }
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79 |
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80 | #endif
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81 |
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82 | /**
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83 | * Global init of VBox OpenGL for windows
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84 | *
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85 | * @returns VBox error code
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86 | */
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87 | int vboxglGlobalInit()
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88 | {
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89 | #ifdef VBOX_OGL_DEBUG_WINDOW_OUTPUT
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90 | WNDCLASS wc;
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91 |
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92 | wc.style = CS_OWNDC;
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93 | wc.lpfnWndProc = VBoxOGLWndProc;
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94 | wc.cbClsExtra = 0;
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95 | wc.cbWndExtra = 0;
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96 | wc.hInstance = 0;
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97 | wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
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98 | wc.hCursor = LoadCursor(NULL, IDC_ARROW);
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99 | wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
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100 | wc.lpszMenuName = NULL;
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101 | wc.lpszClassName = "VBoxOGL";
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102 | RegisterClass(&wc);
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103 | #endif
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104 |
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105 | PIXELFORMATDESCRIPTOR pfd;
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106 | int iFormat;
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107 | /** @todo should NOT use the desktop window -> crashes the Intel OpenGL driver */
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108 | HDC hdc = GetDC(0);
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109 |
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110 | ZeroMemory(&pfd, sizeof(pfd));
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111 | pfd.nSize = sizeof(pfd);
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112 | pfd.nVersion = 1;
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113 | pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
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114 | pfd.iPixelType = PFD_TYPE_RGBA;
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115 | pfd.cColorBits = 24;
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116 | pfd.cDepthBits = 16;
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117 | pfd.iLayerType = PFD_MAIN_PLANE;
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118 | iFormat = ChoosePixelFormat(hdc, &pfd);
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119 | SetPixelFormat(hdc, iFormat, &pfd);
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120 |
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121 | HGLRC hRC = wglCreateContext(hdc);
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122 | wglMakeCurrent(hdc, hRC);
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123 |
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124 | vboxInitOpenGLExtensions();
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125 |
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126 | wglMakeCurrent(NULL, NULL);
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127 | wglDeleteContext(hRC);
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128 | ReleaseDC(0, hdc);
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129 |
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130 | return VINF_SUCCESS;
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131 | }
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132 |
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133 | /**
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134 | * Global deinit of VBox OpenGL
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135 | *
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136 | * @returns VBox error code
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137 | */
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138 | int vboxglGlobalUnload()
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139 | {
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140 | Log(("vboxglGlobalUnload"));
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141 |
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142 | return VINF_SUCCESS;
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143 | }
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144 |
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145 | /**
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146 | * Enable OpenGL
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147 | *
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148 | * @returns VBox error code
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149 | * @param pClient Client context
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150 | */
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151 | int vboxglEnableOpenGL(PVBOXOGLCTX pClient)
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152 | {
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153 | PIXELFORMATDESCRIPTOR pfd;
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154 | int iFormat;
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155 |
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156 | /** @todo should NOT use the desktop window -> crashes the Intel OpenGL driver */
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157 | pClient->enable.hdc = GetDC(0);
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158 |
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159 | ZeroMemory(&pfd, sizeof(pfd));
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160 | pfd.nSize = sizeof(pfd);
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161 | pfd.nVersion = 1;
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162 | pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
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163 | pfd.iPixelType = PFD_TYPE_RGBA;
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164 | pfd.cColorBits = 24;
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165 | pfd.cDepthBits = 16;
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166 | pfd.iLayerType = PFD_MAIN_PLANE;
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167 | iFormat = ChoosePixelFormat(pClient->enable.hdc, &pfd);
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168 | SetPixelFormat(pClient->enable.hdc, iFormat, &pfd);
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169 |
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170 | pClient->enable.hglrc = wglCreateContext(pClient->enable.hdc);
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171 | wglMakeCurrent(pClient->enable.hdc, pClient->enable.hglrc);
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172 | return VINF_SUCCESS;
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173 | }
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174 |
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175 |
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176 | /**
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177 | * Disable OpenGL
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178 | *
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179 | * @returns VBox error code
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180 | * @param pClient Client context
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181 | */
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182 | int vboxglDisableOpenGL(PVBOXOGLCTX pClient)
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183 | {
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184 | wglMakeCurrent(NULL, NULL);
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185 | wglDeleteContext(pClient->enable.hglrc);
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186 | ReleaseDC(0, pClient->enable.hdc);
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187 | return VINF_SUCCESS;
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188 | }
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189 |
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190 | /**
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191 | * Client connect init
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192 | *
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193 | * @returns VBox error code
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194 | * @param pClient Client context
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195 | */
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196 | int vboxglConnect(PVBOXOGLCTX pClient)
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197 | {
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198 | Log(("vboxglConnect\n"));
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199 | return VINF_SUCCESS;
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200 | }
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201 |
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202 | /**
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203 | * Client disconnect cleanup
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204 | *
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205 | * @returns VBox error code
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206 | * @param pClient Client context
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207 | */
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208 | int vboxglDisconnect(PVBOXOGLCTX pClient)
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209 | {
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210 | Log(("vboxglDisconnect\n"));
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211 | #ifdef VBOX_OGL_DEBUG_WINDOW_OUTPUT
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212 | if (pClient->hwnd)
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213 | {
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214 | if (pClient->hdc)
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215 | ReleaseDC(pClient->hwnd, pClient->hdc);
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216 | PostMessage(pClient->hwnd, WM_CLOSE, 0, 0);
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217 | pClient->hwnd = 0;
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218 | }
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219 | #endif
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220 | return VINF_SUCCESS;
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221 | }
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222 |
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223 |
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224 | /* Driver functions */
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225 | void vboxglDrvCreateContext(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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226 | {
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227 | HGLRC glrc = 0;
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228 |
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229 | OGL_CMD(DrvCreateContext, 1);
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230 | OGL_PARAM(HDC, hdc);
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231 |
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232 | Log(("DrvCreateContext %x\n", hdc));
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233 | Assert(VBOX_OGL_GUEST_TO_HOST_HDC(hdc));
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234 | glrc = wglCreateContext(pClient->hdc);
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235 |
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236 | pClient->lastretval = (uint64_t)glrc;
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237 | pClient->fHasLastError = true;
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238 | pClient->ulLastError = GetLastError();
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239 | }
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240 |
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241 | void vboxglDrvSetContext(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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242 | {
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243 | OGL_CMD(DrvSetContext, 2);
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244 | OGL_PARAM(HDC, hdc);
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245 | OGL_PARAM(HGLRC, hglrc);
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246 |
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247 | Log(("DrvSetyContext %x %x\n", hdc, hglrc));
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248 | pClient->lastretval = wglMakeCurrent(VBOX_OGL_GUEST_TO_HOST_HDC(hdc), hglrc);
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249 | if (!pClient->lastretval)
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250 | Log(("wglMakeCurrent failed with %d\n", GetLastError()));
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251 |
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252 | pClient->fHasLastError = true;
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253 | pClient->ulLastError = GetLastError();
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254 | }
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255 |
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256 | void vboxglDrvCopyContext(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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257 | {
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258 | OGL_CMD(DrvDeleteContext, 3);
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259 | OGL_PARAM(HGLRC, hglrcSrc);
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260 | OGL_PARAM(HGLRC, hglrcDst);
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261 | OGL_PARAM(UINT, mask);
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262 | Log(("DrvCopyContext %x %x %x\n", hglrcSrc, hglrcDst, mask));
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263 | pClient->lastretval = wglCopyContext(hglrcSrc, hglrcDst, mask);
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264 | if (!pClient->lastretval)
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265 | Log(("wglCopyContext failed with %d\n", GetLastError()));
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266 |
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267 | pClient->fHasLastError = true;
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268 | pClient->ulLastError = GetLastError();
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269 | }
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270 |
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271 | void vboxglDrvReleaseContext(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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272 | {
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273 | OGL_CMD(DrvReleaseContext, 1);
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274 | OGL_PARAM(HGLRC, hglrc);
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275 |
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276 | Log(("DrvReleaseContext %x\n", hglrc));
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277 | /* clear current selection */
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278 | pClient->lastretval = wglMakeCurrent(VBOX_OGL_GUEST_TO_HOST_HDC(hdc), NULL);
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279 | if (!pClient->lastretval)
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280 | Log(("wglMakeCurrent failed with %d\n", GetLastError()));
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281 | pClient->fHasLastError = true;
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282 | pClient->ulLastError = GetLastError();
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283 | }
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284 |
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285 | void vboxglDrvDeleteContext(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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286 | {
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287 | OGL_CMD(DrvDeleteContext, 1);
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288 | OGL_PARAM(HGLRC, hglrc);
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289 |
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290 | Log(("DrvDeleteContext %x\n", hglrc));
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291 | pClient->lastretval = wglDeleteContext(hglrc);
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292 | if (!pClient->lastretval)
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293 | Log(("wglDeleteContext failed with %d\n", GetLastError()));
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294 | pClient->fHasLastError = true;
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295 | pClient->ulLastError = GetLastError();
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296 | }
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297 |
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298 | void vboxglDrvCreateLayerContext(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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299 | {
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300 | HGLRC glrc = 0;
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301 |
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302 | OGL_CMD(DrvCreateLayerContext, 2);
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303 | OGL_PARAM(HDC, hdc);
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304 | OGL_PARAM(int, iLayerPlane);
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305 |
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306 | Log(("DrvCreateLayerContext %x %d\n", hdc, iLayerPlane));
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307 | Assert(VBOX_OGL_GUEST_TO_HOST_HDC(hdc));
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308 | glrc = wglCreateLayerContext(VBOX_OGL_GUEST_TO_HOST_HDC(hdc), iLayerPlane);
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309 |
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310 | pClient->lastretval = (uint64_t)glrc;
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311 | pClient->fHasLastError = true;
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312 | pClient->ulLastError = GetLastError();
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313 | }
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314 |
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315 | void vboxglDrvShareLists(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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316 | {
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317 | OGL_CMD(DrvShareLists, 3);
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318 | OGL_PARAM(HGLRC, hglrc1);
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319 | OGL_PARAM(HGLRC, hglrc2);
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320 |
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321 | Log(("DrvShareLists %x %x\n", hglrc1, hglrc2));
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322 | pClient->lastretval = wglShareLists(hglrc1, hglrc2);
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323 | pClient->fHasLastError = true;
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324 | pClient->ulLastError = GetLastError();
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325 | }
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326 |
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327 |
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328 | void vboxglDrvRealizeLayerPalette(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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329 | {
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330 | OGL_CMD(DrvRealizeLayerPalette, 3);
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331 | OGL_PARAM(HDC, hdc);
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332 | OGL_PARAM(int, iLayerPlane);
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333 | OGL_PARAM(BOOL, bRealize);
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334 | Log(("DrvRealizeLayerPalette %x %d %d\n", hdc, iLayerPlane, bRealize));
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335 | pClient->lastretval = wglRealizeLayerPalette(VBOX_OGL_GUEST_TO_HOST_HDC(hdc), iLayerPlane, bRealize);
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336 | pClient->fHasLastError = true;
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337 | pClient->ulLastError = GetLastError();
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338 | }
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339 |
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340 | void vboxglDrvSwapLayerBuffers(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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341 | {
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342 | OGL_CMD(DrvSwapLayerBuffers, 2);
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343 | OGL_PARAM(HDC, hdc);
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344 | OGL_PARAM(UINT, fuPlanes);
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345 | Log(("DrvSwapLayerBuffers %x %d\n", hdc, fuPlanes));
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346 | pClient->lastretval = wglSwapLayerBuffers(VBOX_OGL_GUEST_TO_HOST_HDC(hdc), fuPlanes);
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347 | pClient->fHasLastError = true;
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348 | pClient->ulLastError = GetLastError();
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349 | }
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350 |
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351 | void vboxglDrvSetPixelFormat(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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352 | {
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353 | int rc;
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354 | PIXELFORMATDESCRIPTOR pfd;
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355 |
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356 | OGL_CMD(DrvSetPixelFormat, 4);
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357 | OGL_PARAM(HDC, hdc);
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358 | OGL_PARAM(int, iPixelFormat);
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359 | OGL_PARAM(uint32_t, cx);
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360 | OGL_PARAM(uint32_t, cy);
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361 |
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362 | #ifdef VBOX_OGL_DEBUG_WINDOW_OUTPUT
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363 | if (!pClient->hwnd)
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364 | {
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365 | RTThreadCreate(NULL, vboxWndThread, pClient, 0, RTTHREADTYPE_DEFAULT, 0, "OpenGLWnd");
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366 | while (!pClient->hwnd)
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367 | RTThreadSleep(100);
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368 | }
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369 | SetWindowPos(pClient->hwnd, NULL, 0, 0, cx, cy, SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOOWNERZORDER);
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370 |
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371 | pClient->hdc = GetDC(pClient->hwnd);
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372 |
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373 | rc = DescribePixelFormat(VBOX_OGL_GUEST_TO_HOST_HDC(hdc), iPixelFormat, sizeof(pfd), &pfd);
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374 | if (rc)
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375 | {
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376 | pClient->lastretval = SetPixelFormat(VBOX_OGL_GUEST_TO_HOST_HDC(hdc), iPixelFormat, &pfd);
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377 | }
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378 | else
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379 | {
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380 | Log(("DescribePixelFormat %d failed with 0 (%d)\n", iPixelFormat, GetLastError()));
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381 | pClient->lastretval = 0;
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382 | }
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383 |
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384 | #else
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385 | AssertFailed();
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386 | #endif
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387 |
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388 | Log(("DrvSetPixelFormat %x %d (%d,%d)\n", hdc, iPixelFormat, cx, cy));
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389 | pClient->fHasLastError = true;
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390 | pClient->ulLastError = GetLastError();
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391 | }
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392 |
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393 | void vboxglDrvSwapBuffers(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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394 | {
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395 | OGL_CMD(DrvSwapBuffers, 1);
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396 | OGL_PARAM(HDC, hdc);
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397 |
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398 | Log(("DrvSwapBuffers %x\n", hdc));
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399 | pClient->lastretval = SwapBuffers(VBOX_OGL_GUEST_TO_HOST_HDC(hdc));
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400 | if (!pClient->lastretval)
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401 | Log(("SwapBuffers failed with %d\n", GetLastError()));
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402 |
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403 | /** @todo sync bitmap/screen contents */
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404 | pClient->fHasLastError = true;
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405 | pClient->ulLastError = GetLastError();
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406 | }
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407 |
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408 | void vboxglDrvDescribeLayerPlane(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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409 | {
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410 | PLAYERPLANEDESCRIPTOR plpd;
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411 |
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412 | OGL_CMD(DrvDescribeLayerPlane, 4);
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413 | OGL_PARAM(HDC, hdc);
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414 | OGL_PARAM(int, iPixelFormat);
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415 | OGL_PARAM(int, iLayerPlane);
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416 | OGL_PARAM(UINT, nBytes);
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417 | Assert(pClient->cbLastParam == nBytes);
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418 | plpd = (PLAYERPLANEDESCRIPTOR)pClient->pLastParam;
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419 |
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420 | Log(("DrvDescribeLayerPlane %x %d %d %d %x\n", hdc, iPixelFormat, iLayerPlane, nBytes, plpd));
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421 | pClient->lastretval = wglDescribeLayerPlane(VBOX_OGL_GUEST_TO_HOST_HDC(hdc), iPixelFormat, iLayerPlane, nBytes, plpd);
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422 | if (!pClient->lastretval)
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423 | Log(("wglDescribeLayerPlane failed with %d\n", GetLastError()));
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424 | pClient->fHasLastError = true;
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425 | pClient->ulLastError = GetLastError();
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426 | }
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427 |
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428 | void vboxglDrvSetLayerPaletteEntries(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
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429 | {
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430 | OGL_CMD(DrvSetLayerPaletteEntries, 5);
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431 | OGL_PARAM(HDC, hdc);
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432 | OGL_PARAM(int, iLayerPlane);
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433 | OGL_PARAM(int, iStart);
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434 | OGL_PARAM(int, cEntries);
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435 | OGL_MEMPARAM(COLORREF, pcr);
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436 |
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437 | Log(("DrvSetLayerPaletteEntries %x %d %d %d %x\n", hdc, iLayerPlane, iStart, cEntries, pcr));
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438 | pClient->lastretval = wglSetLayerPaletteEntries(VBOX_OGL_GUEST_TO_HOST_HDC(hdc), iLayerPlane, iStart, cEntries, pcr);
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439 | if (!pClient->lastretval)
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440 | Log(("wglSetLayerPaletteEntries failed with %d\n", GetLastError()));
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441 | pClient->fHasLastError = true;
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442 | pClient->ulLastError = GetLastError();
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443 | }
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444 |
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445 | void vboxglDrvGetLayerPaletteEntries(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
|
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446 | {
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447 | COLORREF *pcr;
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448 |
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449 | OGL_CMD(DrvGetLayerPaletteEntries, 4);
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450 | OGL_PARAM(HDC, hdc);
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451 | OGL_PARAM(int, iLayerPlane);
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452 | OGL_PARAM(int, iStart);
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453 | OGL_PARAM(int, cEntries);
|
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454 |
|
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455 | Assert(pClient->cbLastParam == sizeof(COLORREF)*cEntries);
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456 | pcr = (COLORREF *)pClient->pLastParam;
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457 |
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458 | Log(("DrvGetLayerPaletteEntries %x %d %d %d %x\n", hdc, iLayerPlane, iStart, cEntries, pcr));
|
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459 | pClient->lastretval = wglGetLayerPaletteEntries(VBOX_OGL_GUEST_TO_HOST_HDC(hdc), iLayerPlane, iStart, cEntries, pcr);
|
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460 | if (!pClient->lastretval)
|
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461 | Log(("wglGetLayerPaletteEntries failed with %d\n", GetLastError()));
|
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462 | pClient->fHasLastError = true;
|
---|
463 | pClient->ulLastError = GetLastError();
|
---|
464 | }
|
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465 |
|
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466 | void vboxglDrvDescribePixelFormat(VBOXOGLCTX *pClient, uint8_t *pCmdBuffer)
|
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467 | {
|
---|
468 | LPPIXELFORMATDESCRIPTOR ppfd;
|
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469 |
|
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470 | OGL_CMD(DrvDescribePixelFormat, 3);
|
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471 | OGL_PARAM(HDC, hdc);
|
---|
472 | OGL_PARAM(int, iPixelFormat);
|
---|
473 | OGL_PARAM(UINT, nBytes);
|
---|
474 | Assert(pClient->cbLastParam == nBytes);
|
---|
475 | ppfd = (LPPIXELFORMATDESCRIPTOR)pClient->pLastParam;
|
---|
476 |
|
---|
477 | hdc = VBOX_OGL_GUEST_TO_HOST_HDC(hdc);
|
---|
478 | if (!hdc)
|
---|
479 | hdc = GetDC(0);
|
---|
480 |
|
---|
481 | Log(("DrvDescribePixelFormat %x %d %d %x\n", hdc, iPixelFormat, nBytes, ppfd));
|
---|
482 | pClient->lastretval = DescribePixelFormat(hdc, iPixelFormat, nBytes, ppfd);
|
---|
483 | if (!pClient->lastretval)
|
---|
484 | Log(("DescribePixelFormat failed with %d\n", GetLastError()));
|
---|
485 |
|
---|
486 | pClient->fHasLastError = true;
|
---|
487 | pClient->ulLastError = GetLastError();
|
---|
488 |
|
---|
489 | if (!VBOX_OGL_GUEST_TO_HOST_HDC(hdc))
|
---|
490 | ReleaseDC(0, pClient->hdc);
|
---|
491 | }
|
---|
492 |
|
---|
493 | RTUINTPTR vboxDrvIsExtensionAvailable(char *pszExtFunctionName)
|
---|
494 | {
|
---|
495 | RTUINTPTR pfnProc = (RTUINTPTR)wglGetProcAddress(pszExtFunctionName);
|
---|
496 |
|
---|
497 | Log(("vboxDrvIsExtensionAvailable %s -> %d\n", pszExtFunctionName, !!pfnProc));
|
---|
498 | return pfnProc;
|
---|
499 | }
|
---|