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 "eglsync.h"
  36
  37
  38 static EGLBoolean
  39 _eglReturnFalse(void)
  40 {
  41    return EGL_FALSE;
  42 }
  43
  44
  45 /**
  46  * Plug all the available fallback routines into the given driver's
  47  * dispatch table.
  48  */
  49 void
  50 _eglInitDriverFallbacks(_EGLDriver *drv)
  51 {
  52    memset(&drv->API, 0, sizeof(drv->API));
  53
  54    /* the driver has to implement these */
  55    drv->API.Initialize = NULL;
  56    drv->API.Terminate = NULL;
  57
  58    drv->API.GetConfigs = _eglGetConfigs;
  59    drv->API.ChooseConfig = _eglChooseConfig;
  60    drv->API.GetConfigAttrib = _eglGetConfigAttrib;
  61
  62    drv->API.CreateContext = (CreateContext_t) _eglReturnFalse;
  63    drv->API.DestroyContext = (DestroyContext_t) _eglReturnFalse;
  64    drv->API.MakeCurrent = (MakeCurrent_t) _eglReturnFalse;
  65    drv->API.QueryContext = _eglQueryContext;
  66
  67    drv->API.CreateWindowSurface = (CreateWindowSurface_t) _eglReturnFalse;
  68    drv->API.CreatePixmapSurface = (CreatePixmapSurface_t) _eglReturnFalse;
  69    drv->API.CreatePbufferSurface = (CreatePbufferSurface_t) _eglReturnFalse;
  70    drv->API.CreatePbufferFromClientBuffer =
  71       (CreatePbufferFromClientBuffer_t) _eglReturnFalse;
  72    drv->API.DestroySurface = (DestroySurface_t) _eglReturnFalse;
  73    drv->API.QuerySurface = _eglQuerySurface;
  74    drv->API.SurfaceAttrib = _eglSurfaceAttrib;
  75
  76    drv->API.BindTexImage = (BindTexImage_t) _eglReturnFalse;
  77    drv->API.ReleaseTexImage = (ReleaseTexImage_t) _eglReturnFalse;
  78    drv->API.CopyBuffers = (CopyBuffers_t) _eglReturnFalse;
  79    drv->API.SwapBuffers = (SwapBuffers_t) _eglReturnFalse;
  80    drv->API.SwapInterval = _eglSwapInterval;
  81
  82    drv->API.WaitClient = (WaitClient_t) _eglReturnFalse;
  83    drv->API.WaitNative = (WaitNative_t) _eglReturnFalse;
  84    drv->API.GetProcAddress = (GetProcAddress_t) _eglReturnFalse;
  85
  86    drv->API.CreateImageKHR = NULL;
  87    drv->API.DestroyImageKHR = NULL;
  88
  89    drv->API.CreateSyncKHR = NULL;
  90    drv->API.DestroySyncKHR = NULL;
  91    drv->API.ClientWaitSyncKHR = NULL;
  92    drv->API.WaitSyncKHR = NULL;
  93    drv->API.SignalSyncKHR = NULL;
  94    drv->API.GetSyncAttribKHR = _eglGetSyncAttribKHR;
  95
  96 #ifdef EGL_MESA_drm_image
  97    drv->API.CreateDRMImageMESA = NULL;
  98    drv->API.ExportDRMImageMESA = NULL;
  99 #endif
 100
 101 #ifdef EGL_NOK_swap_region
 102    drv->API.SwapBuffersRegionNOK = NULL;
 103 #endif
 104
 105 #ifdef EGL_MESA_dma_buf_image_export
 106    drv->API.ExportDMABUFImageQueryMESA = NULL;
 107    drv->API.ExportDMABUFImageMESA = NULL;
 108 #endif
 109 }