src/egl/main/eglfallbacks.c

   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 #ifdef EGL_KHR_image_base
 107    drv->API.CreateImageKHR = NULL;
 108    drv->API.DestroyImageKHR = NULL;
 109 #endif /* EGL_KHR_image_base */
 110
 111 #ifdef EGL_KHR_reusable_sync
 112    drv->API.CreateSyncKHR = NULL;
 113    drv->API.DestroySyncKHR = NULL;
 114    drv->API.ClientWaitSyncKHR = NULL;
 115    drv->API.SignalSyncKHR = NULL;
 116    drv->API.GetSyncAttribKHR = _eglGetSyncAttribKHR;
 117 #endif /* EGL_KHR_reusable_sync */
 118
 119 #ifdef EGL_MESA_drm_image
 120    drv->API.CreateDRMImageMESA = NULL;
 121    drv->API.ExportDRMImageMESA = NULL;
 122 #endif
 123
 124 #ifdef EGL_NOK_swap_region
 125    drv->API.SwapBuffersRegionNOK = NULL;
 126 #endif
 127 }