1 /************************************************************************** 2 * 3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 /** 29 * @file 30 * 31 * Fake WGL API implementation. 32 * 33 * These functions implement the WGL API, on top of the ICD DDI, so that the 34 * resulting DLL can be used as a drop-in replacement for the system's 35 * opengl32.dll. 36 * 37 * These functions never get called for ICD drivers, which use exclusively the 38 * ICD DDI, i.e., the Drv* entrypoints. 39 */ 40 41 #include <windows.h> 42 43 #include "util/u_debug.h" 44 #include "stw_icd.h" 45 #include "stw_context.h" 46 #include "stw_pixelformat.h" 47 #include "stw_wgl.h" 48 49 50 WINGDIAPI BOOL APIENTRY 51 wglCopyContext( 52 HGLRC hglrcSrc, 53 HGLRC hglrcDst, 54 UINT mask ) 55 { 56 return DrvCopyContext( (DHGLRC)(UINT_PTR)hglrcSrc, 57 (DHGLRC)(UINT_PTR)hglrcDst, 58 mask ); 59 } 60 61 WINGDIAPI HGLRC APIENTRY 62 wglCreateContext( 63 HDC hdc ) 64 { 65 return (HGLRC) DrvCreateContext(hdc); 66 } 67 68 WINGDIAPI HGLRC APIENTRY 69 wglCreateLayerContext( 70 HDC hdc, 71 int iLayerPlane ) 72 { 73 return (HGLRC) DrvCreateLayerContext( hdc, iLayerPlane ); 74 } 75 76 WINGDIAPI BOOL APIENTRY 77 wglDeleteContext( 78 HGLRC hglrc ) 79 { 80 return DrvDeleteContext((DHGLRC)(UINT_PTR)hglrc ); 81 } 82 83 84 WINGDIAPI HGLRC APIENTRY 85 wglGetCurrentContext( VOID ) 86 { 87 return (HGLRC)(UINT_PTR)stw_get_current_context(); 88 } 89 90 WINGDIAPI HDC APIENTRY 91 wglGetCurrentDC( VOID ) 92 { 93 return stw_get_current_dc(); 94 } 95 96 WINGDIAPI BOOL APIENTRY 97 wglMakeCurrent( 98 HDC hdc, 99 HGLRC hglrc ) 100 { 101 return DrvSetContext( hdc, (DHGLRC)(UINT_PTR)hglrc, NULL ) ? TRUE : FALSE; 102 } 103 104 105 WINGDIAPI BOOL APIENTRY 106 wglSwapBuffers( 107 HDC hdc ) 108 { 109 return DrvSwapBuffers( hdc ); 110 } 111 112 113 WINGDIAPI DWORD WINAPI 114 wglSwapMultipleBuffers(UINT n, 115 CONST WGLSWAP *ps) 116 { 117 UINT i; 118 119 for (i =0; i < n; ++i) 120 wglSwapBuffers(ps->hdc); 121 122 return 0; 123 } 124 125 126 WINGDIAPI BOOL APIENTRY 127 wglSwapLayerBuffers( 128 HDC hdc, 129 UINT fuPlanes ) 130 { 131 return DrvSwapLayerBuffers( hdc, fuPlanes ); 132 } 133 134 WINGDIAPI PROC APIENTRY 135 wglGetProcAddress( 136 LPCSTR lpszProc ) 137 { 138 return DrvGetProcAddress( lpszProc ); 139 } 140 141 142 WINGDIAPI int APIENTRY 143 wglChoosePixelFormat( 144 HDC hdc, 145 CONST PIXELFORMATDESCRIPTOR *ppfd ) 146 { 147 if (ppfd->nSize != sizeof( PIXELFORMATDESCRIPTOR ) || ppfd->nVersion != 1) 148 return 0; 149 if (ppfd->iPixelType != PFD_TYPE_RGBA) 150 return 0; 151 if (!(ppfd->dwFlags & PFD_DRAW_TO_WINDOW)) 152 return 0; 153 if (!(ppfd->dwFlags & PFD_SUPPORT_OPENGL)) 154 return 0; 155 if (ppfd->dwFlags & PFD_DRAW_TO_BITMAP) 156 return 0; 157 if (ppfd->dwFlags & PFD_SUPPORT_GDI) 158 return 0; 159 if (!(ppfd->dwFlags & PFD_STEREO_DONTCARE) && (ppfd->dwFlags & PFD_STEREO)) 160 return 0; 161 162 return stw_pixelformat_choose( hdc, ppfd ); 163 } 164 165 WINGDIAPI int APIENTRY 166 wglDescribePixelFormat( 167 HDC hdc, 168 int iPixelFormat, 169 UINT nBytes, 170 LPPIXELFORMATDESCRIPTOR ppfd ) 171 { 172 return DrvDescribePixelFormat( hdc, iPixelFormat, nBytes, ppfd ); 173 } 174 175 WINGDIAPI int APIENTRY 176 wglGetPixelFormat( 177 HDC hdc ) 178 { 179 return stw_pixelformat_get( hdc ); 180 } 181 182 WINGDIAPI BOOL APIENTRY 183 wglSetPixelFormat( 184 HDC hdc, 185 int iPixelFormat, 186 const PIXELFORMATDESCRIPTOR *ppfd ) 187 { 188 /* SetPixelFormat (hence wglSetPixelFormat) must not touch ppfd, per 189 * http://msdn.microsoft.com/en-us/library/dd369049(v=vs.85).aspx 190 */ 191 (void) ppfd; 192 193 return DrvSetPixelFormat( hdc, iPixelFormat ); 194 } 195 196 197 WINGDIAPI BOOL APIENTRY 198 wglUseFontBitmapsA( 199 HDC hdc, 200 DWORD first, 201 DWORD count, 202 DWORD listBase ) 203 { 204 (void) hdc; 205 (void) first; 206 (void) count; 207 (void) listBase; 208 209 assert( 0 ); 210 211 return FALSE; 212 } 213 214 WINGDIAPI BOOL APIENTRY 215 wglShareLists( 216 HGLRC hglrc1, 217 HGLRC hglrc2 ) 218 { 219 return DrvShareLists((DHGLRC)(UINT_PTR)hglrc1, 220 (DHGLRC)(UINT_PTR)hglrc2); 221 } 222 223 WINGDIAPI BOOL APIENTRY 224 wglUseFontBitmapsW( 225 HDC hdc, 226 DWORD first, 227 DWORD count, 228 DWORD listBase ) 229 { 230 (void) hdc; 231 (void) first; 232 (void) count; 233 (void) listBase; 234 235 assert( 0 ); 236 237 return FALSE; 238 } 239 240 WINGDIAPI BOOL APIENTRY 241 wglUseFontOutlinesA( 242 HDC hdc, 243 DWORD first, 244 DWORD count, 245 DWORD listBase, 246 FLOAT deviation, 247 FLOAT extrusion, 248 int format, 249 LPGLYPHMETRICSFLOAT lpgmf ) 250 { 251 (void) hdc; 252 (void) first; 253 (void) count; 254 (void) listBase; 255 (void) deviation; 256 (void) extrusion; 257 (void) format; 258 (void) lpgmf; 259 260 assert( 0 ); 261 262 return FALSE; 263 } 264 265 WINGDIAPI BOOL APIENTRY 266 wglUseFontOutlinesW( 267 HDC hdc, 268 DWORD first, 269 DWORD count, 270 DWORD listBase, 271 FLOAT deviation, 272 FLOAT extrusion, 273 int format, 274 LPGLYPHMETRICSFLOAT lpgmf ) 275 { 276 (void) hdc; 277 (void) first; 278 (void) count; 279 (void) listBase; 280 (void) deviation; 281 (void) extrusion; 282 (void) format; 283 (void) lpgmf; 284 285 assert( 0 ); 286 287 return FALSE; 288 } 289 290 WINGDIAPI BOOL APIENTRY 291 wglDescribeLayerPlane( 292 HDC hdc, 293 int iPixelFormat, 294 int iLayerPlane, 295 UINT nBytes, 296 LPLAYERPLANEDESCRIPTOR plpd ) 297 { 298 return DrvDescribeLayerPlane(hdc, iPixelFormat, iLayerPlane, nBytes, plpd); 299 } 300 301 WINGDIAPI int APIENTRY 302 wglSetLayerPaletteEntries( 303 HDC hdc, 304 int iLayerPlane, 305 int iStart, 306 int cEntries, 307 CONST COLORREF *pcr ) 308 { 309 return DrvSetLayerPaletteEntries(hdc, iLayerPlane, iStart, cEntries, pcr); 310 } 311 312 WINGDIAPI int APIENTRY 313 wglGetLayerPaletteEntries( 314 HDC hdc, 315 int iLayerPlane, 316 int iStart, 317 int cEntries, 318 COLORREF *pcr ) 319 { 320 return DrvGetLayerPaletteEntries(hdc, iLayerPlane, iStart, cEntries, pcr); 321 } 322 323 WINGDIAPI BOOL APIENTRY 324 wglRealizeLayerPalette( 325 HDC hdc, 326 int iLayerPlane, 327 BOOL bRealize ) 328 { 329 (void) hdc; 330 (void) iLayerPlane; 331 (void) bRealize; 332 333 assert( 0 ); 334 335 return FALSE; 336 } 337
