src/egl/main/egldriver.h

   1 #ifndef EGLDRIVER_INCLUDED
   2 #define EGLDRIVER_INCLUDED
   3
   4
   5 #include "egltypedefs.h"
   6 #include "eglapi.h"
   7 #include "egldefines.h"
   8
   9
  10 /**
  11  * Optional EGL extensions info.
  12  */
  13 struct _egl_extensions
  14 {
  15    EGLBoolean MESA_screen_surface;
  16    EGLBoolean MESA_copy_context;
  17
  18    char String[_EGL_MAX_EXTENSIONS_LEN];
  19 };
  20
  21
  22 /**
  23  * Base class for device drivers.
  24  */
  25 struct _egl_driver
  26 {
  27    EGLBoolean Initialized; /**< set by driver after initialized */
  28
  29    void *LibHandle; /**< dlopen handle */
  30    const char *Path;  /**< path to this driver */
  31    const char *Args;  /**< args to load this driver */
  32
  33    const char *Name;  /**< name of this driver */
  34    /**< probe a display to see if it is supported */
  35    EGLBoolean (*Probe)(_EGLDriver *drv, _EGLDisplay *dpy);
  36    /**< called before dlclose to release this driver */
  37    void (*Unload)(_EGLDriver *drv);
  38
  39    int APImajor, APIminor; /**< as returned by eglInitialize() */
  40    char Version[1000];       /**< initialized from APImajor/minor, Name */
  41
  42    /** Bitmask of supported APIs (EGL_xx_BIT) set by the driver during init */
  43    EGLint ClientAPIsMask;
  44
  45    _EGLAPI API;  /**< EGL API dispatch table */
  46
  47    _EGLExtensions Extensions;
  48
  49    int LargestPbuffer;
  50 };
  51
  52
  53 extern _EGLDriver *_eglMain(_EGLDisplay *dpy, const char *args);
  54
  55
  56 extern const char *
  57 _eglChooseDRMDriver(int card);
  58
  59
  60 extern const char *
  61 _eglPreloadDriver(_EGLDisplay *dpy);
  62
  63
  64 extern _EGLDriver *
  65 _eglOpenDriver(_EGLDisplay *dpy);
  66
  67
  68 extern EGLBoolean
  69 _eglCloseDriver(_EGLDriver *drv, _EGLDisplay *dpy);
  70
  71
  72 void
  73 _eglUnloadDrivers(void);
  74
  75
  76 extern _EGLDriver *
  77 _eglLookupDriver(EGLDisplay d);
  78
  79
  80 extern void
  81 _eglInitDriverFallbacks(_EGLDriver *drv);
  82
  83
  84 extern EGLint
  85 _eglFindAPIs(void);
  86
  87
  88 #endif /* EGLDRIVER_INCLUDED */