src/egl/main/egldriver.h

   1 #ifndef EGLDRIVER_INCLUDED
   2 #define EGLDRIVER_INCLUDED
   3
   4
   5 #include "egltypedefs.h"
   6 #include "eglapi.h"
   7
   8
   9 /**
  10  * Base class for device drivers.
  11  */
  12 struct _egl_driver
  13 {
  14    void *LibHandle; /**< dlopen handle */
  15    const char *Path;  /**< path to this driver */
  16    const char *Args;  /**< args to load this driver */
  17
  18    const char *Name;  /**< name of this driver */
  19
  20    /**
  21     * Probe a display and return a score.
  22     *
  23     * Roughly,
  24     *  50 means the driver supports the display;
  25     *  90 means the driver can accelerate the display;
  26     * 100 means a perfect match.
  27     */
  28    EGLint (*Probe)(_EGLDriver *drv, _EGLDisplay *dpy);
  29
  30    /**
  31     * Release the driver resource.
  32     *
  33     * It is called before dlclose().
  34     */
  35    void (*Unload)(_EGLDriver *drv);
  36
  37    _EGLAPI API;  /**< EGL API dispatch table */
  38 };
  39
  40
  41 PUBLIC _EGLDriver *
  42 _eglMain(const char *args);
  43
  44
  45 extern _EGLDriver *
  46 _eglOpenDriver(_EGLDisplay *dpy);
  47
  48
  49 extern EGLBoolean
  50 _eglCloseDriver(_EGLDriver *drv, _EGLDisplay *dpy);
  51
  52
  53 extern EGLBoolean
  54 _eglPreloadDrivers(void);
  55
  56
  57 extern void
  58 _eglUnloadDrivers(void);
  59
  60
  61 PUBLIC void
  62 _eglInitDriverFallbacks(_EGLDriver *drv);
  63
  64
  65 PUBLIC EGLint
  66 _eglFindAPIs(void);
  67
  68
  69 #endif /* EGLDRIVER_INCLUDED */