diff options
| -rw-r--r-- | src/egl/main/eglapi.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c index 1d370db471..366901889f 100644 --- a/src/egl/main/eglapi.c +++ b/src/egl/main/eglapi.c @@ -31,6 +31,15 @@ * * is generated. * + * Some of the entry points use current display, context, or surface + * implicitly. For such entry points, the implicit objects are also + * checked before calling the driver function. Other than the + * errors listed above, + * + * EGL_BAD_CURRENT_SURFACE + * + * may also be generated. + * * Notes on naming conventions: * * eglFooBar - public EGL function @@ -519,7 +528,13 @@ eglSwapInterval(EGLDisplay dpy, EGLint interval) EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) { + _EGLContext *ctx = _eglGetCurrentContext(); _EGL_DECLARE_DD_AND_SURFACE(dpy, surface); + + /* surface must be bound to current context in EGL 1.4 */ + if (!ctx || !_eglIsContextLinked(ctx) || surf != ctx->DrawSurface) + return _eglError(EGL_BAD_SURFACE, __FUNCTION__); + return drv->API.SwapBuffers(drv, disp, surf); } |