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
41static 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 */
52void
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