src/egl/main/eglfallbacks.c

   1 #include <string.h>
   2 #include "egltypedefs.h"
   3 #include "egldriver.h"
   4 #include "eglconfig.h"
   5 #include "eglcontext.h"
   6 #include "eglsurface.h"
   7 #include "eglmisc.h"
   8 #include "eglscreen.h"
   9 #include "eglmode.h"
  10 #include "eglsync.h"
  11
  12
  13 static EGLBoolean
  14 _eglReturnFalse(void)
  15 {
  16    return EGL_FALSE;
  17 }
  18
  19
  20 /**
  21  * Plug all the available fallback routines into the given driver's
  22  * dispatch table.
  23  */
  24 void
  25 _eglInitDriverFallbacks(_EGLDriver *drv)
  26 {
  27    memset(&drv->API, 0, sizeof(drv->API));
  28
  29    /* the driver has to implement these */
  30    drv->API.Initialize = NULL;
  31    drv->API.Terminate = NULL;
  32
  33    drv->API.GetConfigs = _eglGetConfigs;
  34    drv->API.ChooseConfig = _eglChooseConfig;
  35    drv->API.GetConfigAttrib = _eglGetConfigAttrib;
  36
  37    drv->API.CreateContext = (CreateContext_t) _eglReturnFalse;
  38    drv->API.DestroyContext = (DestroyContext_t) _eglReturnFalse;
  39    drv->API.MakeCurrent = (MakeCurrent_t) _eglReturnFalse;
  40    drv->API.QueryContext = _eglQueryContext;
  41
  42    drv->API.CreateWindowSurface = (CreateWindowSurface_t) _eglReturnFalse;
  43    drv->API.CreatePixmapSurface = (CreatePixmapSurface_t) _eglReturnFalse;
  44    drv->API.CreatePbufferSurface = (CreatePbufferSurface_t) _eglReturnFalse;
  45    drv->API.CreatePbufferFromClientBuffer =
  46       (CreatePbufferFromClientBuffer_t) _eglReturnFalse;
  47    drv->API.DestroySurface = (DestroySurface_t) _eglReturnFalse;
  48    drv->API.QuerySurface = _eglQuerySurface;
  49    drv->API.SurfaceAttrib = _eglSurfaceAttrib;
  50
  51    drv->API.BindTexImage = (BindTexImage_t) _eglReturnFalse;
  52    drv->API.ReleaseTexImage = (ReleaseTexImage_t) _eglReturnFalse;
  53    drv->API.CopyBuffers = (CopyBuffers_t) _eglReturnFalse;
  54    drv->API.SwapBuffers = (SwapBuffers_t) _eglReturnFalse;
  55    drv->API.SwapInterval = _eglSwapInterval;
  56
  57    drv->API.WaitClient = (WaitClient_t) _eglReturnFalse;
  58    drv->API.WaitNative = (WaitNative_t) _eglReturnFalse;
  59    drv->API.GetProcAddress = (GetProcAddress_t) _eglReturnFalse;
  60    drv->API.QueryString = _eglQueryString;
  61
  62 #ifdef EGL_MESA_screen_surface
  63    drv->API.CopyContextMESA = (CopyContextMESA_t) _eglReturnFalse;
  64    drv->API.CreateScreenSurfaceMESA =
  65       (CreateScreenSurfaceMESA_t) _eglReturnFalse;
  66    drv->API.ShowScreenSurfaceMESA = (ShowScreenSurfaceMESA_t) _eglReturnFalse;
  67    drv->API.ChooseModeMESA = _eglChooseModeMESA;
  68    drv->API.GetModesMESA = _eglGetModesMESA;
  69    drv->API.GetModeAttribMESA = _eglGetModeAttribMESA;
  70    drv->API.GetScreensMESA = _eglGetScreensMESA;
  71    drv->API.ScreenPositionMESA = _eglScreenPositionMESA;
  72    drv->API.QueryScreenMESA = _eglQueryScreenMESA;
  73    drv->API.QueryScreenSurfaceMESA = _eglQueryScreenSurfaceMESA;
  74    drv->API.QueryScreenModeMESA = _eglQueryScreenModeMESA;
  75    drv->API.QueryModeStringMESA = _eglQueryModeStringMESA;
  76 #endif /* EGL_MESA_screen_surface */
  77
  78 #ifdef EGL_KHR_image_base
  79    drv->API.CreateImageKHR = NULL;
  80    drv->API.DestroyImageKHR = NULL;
  81 #endif /* EGL_KHR_image_base */
  82
  83 #ifdef EGL_KHR_reusable_sync
  84    drv->API.CreateSyncKHR = NULL;
  85    drv->API.DestroySyncKHR = NULL;
  86    drv->API.ClientWaitSyncKHR = NULL;
  87    drv->API.SignalSyncKHR = NULL;
  88    drv->API.GetSyncAttribKHR = _eglGetSyncAttribKHR;
  89 #endif /* EGL_KHR_reusable_sync */
  90
  91 #ifdef EGL_MESA_drm_image
  92    drv->API.CreateDRMImageMESA = NULL;
  93    drv->API.ExportDRMImageMESA = NULL;
  94 #endif
  95
  96 #ifdef EGL_NOK_swap_region
  97    drv->API.SwapBuffersRegionNOK = NULL;
  98 #endif
  99 }