From 57da499d7ba074128e8c97b8076805e403a2b9c4 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Thu, 15 Oct 2009 11:08:48 +0800 Subject: egl: Rework eglSwapInterval. This adds error checking to eglSwapInterval and clamps the swap interval. Signed-off-by: Chia-I Wu --- src/egl/main/eglapi.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'src/egl/main/eglapi.c') diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c index 366901889f..5ce0469351 100644 --- a/src/egl/main/eglapi.c +++ b/src/egl/main/eglapi.c @@ -520,8 +520,18 @@ eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer) EGLBoolean EGLAPIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval) { + _EGLContext *ctx = _eglGetCurrentContext(); + _EGLSurface *surf; _EGL_DECLARE_DD(dpy); - return drv->API.SwapInterval(drv, disp, interval); + + if (!ctx || !_eglIsContextLinked(ctx) || ctx->Display != disp) + return _eglError(EGL_BAD_CONTEXT, __FUNCTION__); + + surf = ctx->DrawSurface; + if (!_eglIsSurfaceLinked(surf)) + return _eglError(EGL_BAD_SURFACE, __FUNCTION__); + + return drv->API.SwapInterval(drv, disp, surf, interval); } -- cgit v1.2.3