Implement EGL API for MESA_query_driver

Signed-off-by: Veluri Mithun <velurimithun38@gmail.com>

Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

Acked-by: Eric Engestrom <eric.engestrom@intel.com>

src/egl/main/eglapi.c

       _eglAppendExtension(&exts, "EGL_MESA_configless_context");
    _EGL_CHECK_EXTENSION(MESA_drm_image);
    _EGL_CHECK_EXTENSION(MESA_image_dma_buf_export);
+   _EGL_CHECK_EXTENSION(MESA_query_driver);
 
    _EGL_CHECK_EXTENSION(NOK_swap_region);
    _EGL_CHECK_EXTENSION(NOK_texture_from_pixmap);
    RETURN_EGL_SUCCESS(disp, EGL_TRUE);
 }
 
+char * EGLAPIENTRY
+eglGetDisplayDriverConfig(EGLDisplay dpy)
+{
+    _EGLDisplay *disp = _eglLockDisplay(dpy);
+    _EGLDriver *drv;
+    char *ret;
+
+    _EGL_FUNC_START(disp, EGL_NONE, NULL, NULL);
+    _EGL_CHECK_DISPLAY(disp, NULL, drv);
+
+    assert(disp->Extensions.MESA_query_driver);
+
+    ret = drv->API.QueryDriverConfig(disp);
+    RETURN_EGL_EVAL(disp, ret);
+}
+
+const char * EGLAPIENTRY
+eglGetDisplayDriverName(EGLDisplay dpy)
+{
+    _EGLDisplay *disp = _eglLockDisplay(dpy);
+    _EGLDriver *drv;
+    const char *ret;
+
+    _EGL_FUNC_START(disp, EGL_NONE, NULL, NULL);
+    _EGL_CHECK_DISPLAY(disp, NULL, drv);
+
+    assert(disp->Extensions.MESA_query_driver);
+
+    ret = drv->API.QueryDriverName(disp);
+    RETURN_EGL_EVAL(disp, ret);
+}
+
 __eglMustCastToProperFunctionPointerType EGLAPIENTRY
 eglGetProcAddress(const char *procname)
 {

src/egl/main/eglapi.h

    /* driver funcs */
    EGLBoolean (*Initialize)(_EGLDriver *, _EGLDisplay *dpy);
    EGLBoolean (*Terminate)(_EGLDriver *, _EGLDisplay *dpy);
+   const char *(*QueryDriverName)(_EGLDisplay *dpy);
+   char *(*QueryDriverConfig)(_EGLDisplay *dpy);
 
    /* config funcs */
    EGLBoolean (*GetConfigs)(_EGLDriver *drv, _EGLDisplay *dpy,

src/egl/main/egldisplay.h

 
    EGLBoolean MESA_drm_image;
    EGLBoolean MESA_image_dma_buf_export;
+   EGLBoolean MESA_query_driver;
 
    EGLBoolean NOK_swap_region;
    EGLBoolean NOK_texture_from_pixmap;

src/egl/main/eglentrypoint.h

 EGL_ENTRYPOINT(eglGetCurrentDisplay)
 EGL_ENTRYPOINT(eglGetCurrentSurface)
 EGL_ENTRYPOINT(eglGetDisplay)
+EGL_ENTRYPOINT(eglGetDisplayDriverConfig)
+EGL_ENTRYPOINT(eglGetDisplayDriverName)
 EGL_ENTRYPOINT(eglGetError)
 EGL_ENTRYPOINT(eglGetPlatformDisplay)
 EGL_ENTRYPOINT(eglGetPlatformDisplayEXT)