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
_eglReturnFalse(void)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
_eglInitDriverFallbacks(_EGLDriver * drv)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