diff options
Diffstat (limited to 'hw/xwin/winengine.c')
-rw-r--r-- | hw/xwin/winengine.c | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/hw/xwin/winengine.c b/hw/xwin/winengine.c deleted file mode 100644 index f0bc671e2..000000000 --- a/hw/xwin/winengine.c +++ /dev/null @@ -1,336 +0,0 @@ -/* - *Copyright (C) 2001-2004 Harold L Hunt II All Rights Reserved. - * - *Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - *"Software"), to deal in the Software without restriction, including - *without limitation the rights to use, copy, modify, merge, publish, - *distribute, sublicense, and/or sell copies of the Software, and to - *permit persons to whom the Software is furnished to do so, subject to - *the following conditions: - * - *The above copyright notice and this permission notice shall be - *included in all copies or substantial portions of the Software. - * - *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR - *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - *Except as contained in this notice, the name of Harold L Hunt II - *shall not be used in advertising or otherwise to promote the sale, use - *or other dealings in this Software without prior written authorization - *from Harold L Hunt II. - * - * Authors: Harold L Hunt II - */ - -#ifdef HAVE_XWIN_CONFIG_H -#include <xwin-config.h> -#endif -#include "win.h" -#include "winmsg.h" - - -/* - * External global variables - */ - -extern const GUID _IID_IDirectDraw4; - - -/* - * Detect engines supported by current Windows version - * DirectDraw version and hardware - */ - -void -winDetectSupportedEngines () -{ - OSVERSIONINFO osvi; - - /* Initialize the engine support flags */ - g_dwEnginesSupported = WIN_SERVER_SHADOW_GDI; - -#ifdef XWIN_NATIVEGDI - g_dwEnginesSupported |= WIN_SERVER_NATIVE_GDI; -#endif - - /* Get operating system version information */ - ZeroMemory (&osvi, sizeof (osvi)); - osvi.dwOSVersionInfoSize = sizeof (osvi); - GetVersionEx (&osvi); - - /* Branch on platform ID */ - switch (osvi.dwPlatformId) - { - case VER_PLATFORM_WIN32_NT: - /* Engine 4 is supported on NT only */ - winErrorFVerb (2, "winDetectSupportedEngines - Windows NT/2000/XP\n"); - break; - - case VER_PLATFORM_WIN32_WINDOWS: - /* Engine 4 is supported on NT only */ - winErrorFVerb (2, "winDetectSupportedEngines - Windows 95/98/Me\n"); - break; - } - - /* Do we have DirectDraw? */ - if (g_hmodDirectDraw != NULL) - { - LPDIRECTDRAW lpdd = NULL; - LPDIRECTDRAW4 lpdd4 = NULL; - HRESULT ddrval; - - /* Was the DirectDrawCreate function found? */ - if (g_fpDirectDrawCreate == NULL) - { - /* No DirectDraw support */ - return; - } - - /* DirectDrawCreate exists, try to call it */ - /* Create a DirectDraw object, store the address at lpdd */ - ddrval = (*g_fpDirectDrawCreate) (NULL, - (void**) &lpdd, - NULL); - if (FAILED (ddrval)) - { - /* No DirectDraw support */ - winErrorFVerb (2, "winDetectSupportedEngines - DirectDraw not installed\n"); - return; - } - else - { - /* We have DirectDraw */ - winErrorFVerb (2, "winDetectSupportedEngines - DirectDraw installed\n"); - g_dwEnginesSupported |= WIN_SERVER_SHADOW_DD; - -#ifdef XWIN_PRIMARYFB - /* Allow PrimaryDD engine if NT */ - if (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) - { - g_dwEnginesSupported |= WIN_SERVER_PRIMARY_DD; - winErrorFVerb (2, "winDetectSupportedEngines - Allowing PrimaryDD\n"); - } -#endif - } - - /* Try to query for DirectDraw4 interface */ - ddrval = IDirectDraw_QueryInterface (lpdd, - &IID_IDirectDraw4, - (LPVOID*) &lpdd4); - if (SUCCEEDED (ddrval)) - { - /* We have DirectDraw4 */ - winErrorFVerb (2, "winDetectSupportedEngines - DirectDraw4 installed\n"); - g_dwEnginesSupported |= WIN_SERVER_SHADOW_DDNL; - } - - /* Cleanup DirectDraw interfaces */ - if (lpdd4 != NULL) - IDirectDraw_Release (lpdd4); - if (lpdd != NULL) - IDirectDraw_Release (lpdd); - } - - winErrorFVerb (2, "winDetectSupportedEngines - Returning, supported engines %08x\n", - (unsigned int) g_dwEnginesSupported); -} - - -/* - * Set the engine type, depending on the engines - * supported for this screen, and whether the user - * suggested an engine type - */ - -Bool -winSetEngine (ScreenPtr pScreen) -{ - winScreenPriv(pScreen); - winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; - HDC hdc; - DWORD dwBPP; - - /* Get a DC */ - hdc = GetDC (NULL); - if (hdc == NULL) - { - ErrorF ("winSetEngine - Couldn't get an HDC\n"); - return FALSE; - } - - /* - * pScreenInfo->dwBPP may be 0 to indicate that the current screen - * depth is to be used. Thus, we must query for the current display - * depth here. - */ - dwBPP = GetDeviceCaps (hdc, BITSPIXEL); - - /* Release the DC */ - ReleaseDC (NULL, hdc); - hdc = NULL; - - /* ShadowGDI is the only engine that supports windowed PseudoColor */ - if (dwBPP == 8 && !pScreenInfo->fFullScreen) - { - winErrorFVerb (2, "winSetEngine - Windowed && PseudoColor => ShadowGDI\n"); - pScreenInfo->dwEngine = WIN_SERVER_SHADOW_GDI; - - /* Set engine function pointers */ - winSetEngineFunctionsShadowGDI (pScreen); - return TRUE; - } - - /* ShadowGDI is the only engine that supports Multi Window Mode */ - if ( -#ifdef XWIN_MULTIWINDOWEXTWM - pScreenInfo->fMWExtWM -#else - FALSE -#endif -#ifdef XWIN_MULTIWINDOW - || pScreenInfo->fMultiWindow -#else - || FALSE -#endif - ) - { - winErrorFVerb (2, "winSetEngine - Multi Window or Rootless => ShadowGDI\n"); - pScreenInfo->dwEngine = WIN_SERVER_SHADOW_GDI; - - /* Set engine function pointers */ - winSetEngineFunctionsShadowGDI (pScreen); - return TRUE; - } - - /* If the user's choice is supported, we'll use that */ - if (g_dwEnginesSupported & pScreenInfo->dwEnginePreferred) - { - winErrorFVerb (2, "winSetEngine - Using user's preference: %d\n", - (int) pScreenInfo->dwEnginePreferred); - pScreenInfo->dwEngine = pScreenInfo->dwEnginePreferred; - - /* Setup engine function pointers */ - switch (pScreenInfo->dwEngine) - { - case WIN_SERVER_SHADOW_GDI: - winSetEngineFunctionsShadowGDI (pScreen); - break; - case WIN_SERVER_SHADOW_DD: - winSetEngineFunctionsShadowDD (pScreen); - break; - case WIN_SERVER_SHADOW_DDNL: - winSetEngineFunctionsShadowDDNL (pScreen); - break; -#ifdef XWIN_PRIMARYFB - case WIN_SERVER_PRIMARY_DD: - winSetEngineFunctionsPrimaryDD (pScreen); - break; -#endif -#ifdef XWIN_NATIVEGDI - case WIN_SERVER_NATIVE_GDI: - winSetEngineFunctionsNativeGDI (pScreen); - break; -#endif - default: - FatalError ("winSetEngine - Invalid engine type\n"); - } - return TRUE; - } - - /* ShadowDDNL has good performance, so why not */ - if (g_dwEnginesSupported & WIN_SERVER_SHADOW_DDNL) - { - winErrorFVerb (2, "winSetEngine - Using Shadow DirectDraw NonLocking\n"); - pScreenInfo->dwEngine = WIN_SERVER_SHADOW_DDNL; - - /* Set engine function pointers */ - winSetEngineFunctionsShadowDDNL (pScreen); - return TRUE; - } - - /* ShadowDD is next in line */ - if (g_dwEnginesSupported & WIN_SERVER_SHADOW_DD) - { - winErrorFVerb (2, "winSetEngine - Using Shadow DirectDraw\n"); - pScreenInfo->dwEngine = WIN_SERVER_SHADOW_DD; - - /* Set engine function pointers */ - winSetEngineFunctionsShadowDD (pScreen); - return TRUE; - } - - /* ShadowGDI is next in line */ - if (g_dwEnginesSupported & WIN_SERVER_SHADOW_GDI) - { - winErrorFVerb (2, "winSetEngine - Using Shadow GDI DIB\n"); - pScreenInfo->dwEngine = WIN_SERVER_SHADOW_GDI; - - /* Set engine function pointers */ - winSetEngineFunctionsShadowGDI (pScreen); - return TRUE; - } - - return TRUE; -} - - -/* - * Get procedure addresses for DirectDrawCreate and DirectDrawCreateClipper - */ - -Bool -winGetDDProcAddresses () -{ - Bool fReturn = TRUE; - - /* Load the DirectDraw library */ - g_hmodDirectDraw = LoadLibraryEx ("ddraw.dll", NULL, 0); - if (g_hmodDirectDraw == NULL) - { - ErrorF ("winGetDDProcAddresses - Could not load ddraw.dll\n"); - fReturn = TRUE; - goto winGetDDProcAddresses_Exit; - } - - /* Try to get the DirectDrawCreate address */ - g_fpDirectDrawCreate = GetProcAddress (g_hmodDirectDraw, - "DirectDrawCreate"); - if (g_fpDirectDrawCreate == NULL) - { - ErrorF ("winGetDDProcAddresses - Could not get DirectDrawCreate " - "address\n"); - fReturn = TRUE; - goto winGetDDProcAddresses_Exit; - } - - /* Try to get the DirectDrawCreateClipper address */ - g_fpDirectDrawCreateClipper = GetProcAddress (g_hmodDirectDraw, - "DirectDrawCreateClipper"); - if (g_fpDirectDrawCreateClipper == NULL) - { - ErrorF ("winGetDDProcAddresses - Could not get " - "DirectDrawCreateClipper address\n"); - fReturn = FALSE; - goto winGetDDProcAddresses_Exit; - } - - /* - * Note: Do not unload ddraw.dll here. Do it in GiveUp - */ - - winGetDDProcAddresses_Exit: - /* Unload the DirectDraw library if we failed to initialize */ - if (!fReturn && g_hmodDirectDraw != NULL) - { - FreeLibrary (g_hmodDirectDraw); - g_hmodDirectDraw = NULL; - } - - return fReturn; -} |