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 typedef _EGLDriver *(*_EGLMain_t)(const char *args);
  10
  11
  12 /**
  13  * Base class for device drivers.
  14  */
  15 struct _egl_driver
  16 {
  17    void *LibHandle; /**< dlopen handle */
  18    const char *Path;  /**< path to this driver */
  19    const char *Args;  /**< args to load this driver */
  20
  21    const char *Name;  /**< name of this driver */
  22
  23    /**
  24     * Probe a display and return a score.
  25     *
  26     * Roughly,
  27     *  50 means the driver supports the display;
  28     *  90 means the driver can accelerate the display;
  29     * 100 means a perfect match.
  30     */
  31    EGLint (*Probe)(_EGLDriver *drv, _EGLDisplay *dpy);
  32
  33    /**
  34     * Release the driver resource.
  35     *
  36     * It is called before dlclose().
  37     */
  38    void (*Unload)(_EGLDriver *drv);
  39
  40    _EGLAPI API;  /**< EGL API dispatch table */
  41 };
  42
  43
  44 PUBLIC _EGLDriver *
  45 _eglMain(const char *args);
  46
  47
  48 extern _EGLDriver *
  49 _eglMatchDriver(_EGLDisplay *dpy);
  50
  51
  52 extern EGLBoolean
  53 _eglPreloadDrivers(void);
  54
  55
  56 extern void
  57 _eglUnloadDrivers(void);
  58
  59
  60 PUBLIC void
  61 _eglInitDriverFallbacks(_EGLDriver *drv);
  62
  63
  64 PUBLIC void
  65 _eglSetProbeCache(EGLint key, const void *val);
  66
  67
  68 PUBLIC const void *
  69 _eglGetProbeCache(EGLint key);
  70
  71
  72 #endif /* EGLDRIVER_INCLUDED */