1 /************************************************************************** 2 * 3 * Copyright 2010 LunarG, Inc. 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 OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 24 * DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 29 #include <string.h> 30 #include "egltypedefs.h" 31 #include "egldriver.h" 32 #include "eglconfig.h" 33 #include "eglcontext.h" 34 #include "eglsurface.h" 35 #include "eglmisc.h" 36 #include "eglscreen.h" 37 #include "eglmode.h" 38 #include "eglsync.h" 39 40 41 static EGLBoolean 42 _eglReturnFalse(void) 43 { 44 return EGL_FALSE; 45 } 46 47 48 /** 49 * Plug all the available fallback routines into the given driver's 50 * dispatch table. 51 */ 52 void 53 _eglInitDriverFallbacks(_EGLDriver *drv) 54 { 55 memset(&drv->API, 0, sizeof(drv->API)); 56 57 /* the driver has to implement these */ 58 drv->API.Initialize = NULL; 59 drv->API.Terminate = NULL; 60 61 drv->API.GetConfigs = _eglGetConfigs; 62 drv->API.ChooseConfig = _eglChooseConfig; 63 drv->API.GetConfigAttrib = _eglGetConfigAttrib; 64 65 drv->API.CreateContext = (CreateContext_t) _eglReturnFalse; 66 drv->API.DestroyContext = (DestroyContext_t) _eglReturnFalse; 67 drv->API.MakeCurrent = (MakeCurrent_t) _eglReturnFalse; 68 drv->API.QueryContext = _eglQueryContext; 69 70 drv->API.CreateWindowSurface = (CreateWindowSurface_t) _eglReturnFalse; 71 drv->API.CreatePixmapSurface = (CreatePixmapSurface_t) _eglReturnFalse; 72 drv->API.CreatePbufferSurface = (CreatePbufferSurface_t) _eglReturnFalse; 73 drv->API.CreatePbufferFromClientBuffer = 74 (CreatePbufferFromClientBuffer_t) _eglReturnFalse; 75 drv->API.DestroySurface = (DestroySurface_t) _eglReturnFalse; 76 drv->API.QuerySurface = _eglQuerySurface; 77 drv->API.SurfaceAttrib = _eglSurfaceAttrib; 78 79 drv->API.BindTexImage = (BindTexImage_t) _eglReturnFalse; 80 drv->API.ReleaseTexImage = (ReleaseTexImage_t) _eglReturnFalse; 81 drv->API.CopyBuffers = (CopyBuffers_t) _eglReturnFalse; 82 drv->API.SwapBuffers = (SwapBuffers_t) _eglReturnFalse; 83 drv->API.SwapInterval = _eglSwapInterval; 84 85 drv->API.WaitClient = (WaitClient_t) _eglReturnFalse; 86 drv->API.WaitNative = (WaitNative_t) _eglReturnFalse; 87 drv->API.GetProcAddress = (GetProcAddress_t) _eglReturnFalse; 88 drv->API.QueryString = _eglQueryString; 89 90 #ifdef EGL_MESA_screen_surface 91 drv->API.CopyContextMESA = (CopyContextMESA_t) _eglReturnFalse; 92 drv->API.CreateScreenSurfaceMESA = 93 (CreateScreenSurfaceMESA_t) _eglReturnFalse; 94 drv->API.ShowScreenSurfaceMESA = (ShowScreenSurfaceMESA_t) _eglReturnFalse; 95 drv->API.ChooseModeMESA = _eglChooseModeMESA; 96 drv->API.GetModesMESA = _eglGetModesMESA; 97 drv->API.GetModeAttribMESA = _eglGetModeAttribMESA; 98 drv->API.GetScreensMESA = _eglGetScreensMESA; 99 drv->API.ScreenPositionMESA = _eglScreenPositionMESA; 100 drv->API.QueryScreenMESA = _eglQueryScreenMESA; 101 drv->API.QueryScreenSurfaceMESA = _eglQueryScreenSurfaceMESA; 102 drv->API.QueryScreenModeMESA = _eglQueryScreenModeMESA; 103 drv->API.QueryModeStringMESA = _eglQueryModeStringMESA; 104 #endif /* EGL_MESA_screen_surface */ 105 106 drv->API.CreateImageKHR = NULL; 107 drv->API.DestroyImageKHR = NULL; 108 109 drv->API.CreateSyncKHR = NULL; 110 drv->API.DestroySyncKHR = NULL; 111 drv->API.ClientWaitSyncKHR = NULL; 112 drv->API.SignalSyncKHR = NULL; 113 drv->API.GetSyncAttribKHR = _eglGetSyncAttribKHR; 114 115 #ifdef EGL_MESA_drm_image 116 drv->API.CreateDRMImageMESA = NULL; 117 drv->API.ExportDRMImageMESA = NULL; 118 #endif 119 120 #ifdef EGL_NOK_swap_region 121 drv->API.SwapBuffersRegionNOK = NULL; 122 #endif 123 } 124