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 = (void*) _eglReturnFalse;
63    drv->API.DestroyContext = (void*) _eglReturnFalse;
64    drv->API.MakeCurrent = (void*) _eglReturnFalse;
65    drv->API.QueryContext = _eglQueryContext;
66 
67    drv->API.CreateWindowSurface = (void*) _eglReturnFalse;
68    drv->API.CreatePixmapSurface = (void*) _eglReturnFalse;
69    drv->API.CreatePbufferSurface = (void*) _eglReturnFalse;
70    drv->API.CreatePbufferFromClientBuffer =
71       (void*) _eglReturnFalse;
72    drv->API.DestroySurface = (void*) _eglReturnFalse;
73    drv->API.QuerySurface = _eglQuerySurface;
74    drv->API.SurfaceAttrib = _eglSurfaceAttrib;
75 
76    drv->API.BindTexImage = (void*) _eglReturnFalse;
77    drv->API.ReleaseTexImage = (void*) _eglReturnFalse;
78    drv->API.CopyBuffers = (void*) _eglReturnFalse;
79    drv->API.SwapBuffers = (void*) _eglReturnFalse;
80    drv->API.SwapInterval = _eglSwapInterval;
81 
82    drv->API.WaitClient = (void*) _eglReturnFalse;
83    drv->API.WaitNative = (void*) _eglReturnFalse;
84    drv->API.GetProcAddress = (void*) _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.GetSyncAttrib = _eglGetSyncAttrib;
95    drv->API.DupNativeFenceFDANDROID = NULL;
96 
97    drv->API.CreateDRMImageMESA = NULL;
98    drv->API.ExportDRMImageMESA = NULL;
99 
100    drv->API.SwapBuffersRegionNOK = NULL;
101 
102    drv->API.ExportDMABUFImageQueryMESA = NULL;
103    drv->API.ExportDMABUFImageMESA = NULL;
104 }
105