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Merge "Additional parameter validation for EGL functions"

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This commit is contained in:
Jean-Baptiste Queru 2013-06-25 22:31:13 +00:00 committed by Gerrit Code Review
commit 0ecf0b8db7
1 changed files with 11 additions and 6 deletions
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13
opengl/libs/EGL/eglApi.cpp
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@ -439,8 +439,11 @@ EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config,
egl_connection_t* cnx = NULL;
const egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (dpy) {
if (dp) {
if (share_list != EGL_NO_CONTEXT) {
if (!ContextRef(dp.get(), share_list).get()) {
return setError(EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
}
egl_context_t* const c = get_context(share_list);
share_list = c->context;
}
@ -524,7 +527,7 @@ EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
// validate the context (if not EGL_NO_CONTEXT)
if ((ctx != EGL_NO_CONTEXT) && !_c.get()) {
// EGL_NO_CONTEXT is valid
return EGL_FALSE;
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
}
// these are the underlying implementation's object
@ -545,12 +548,12 @@ EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
impl_ctx = c->context;
} else {
// no context given, use the implementation of the current context
if (cur_c == NULL) {
// no current context
if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) {
// calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT);
return setError(EGL_BAD_MATCH, EGL_FALSE);
}
if (cur_c == NULL) {
// no current context
// not an error, there is just no current context.
return EGL_TRUE;
}
@ -558,12 +561,14 @@ EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
// retrieve the underlying implementation's draw EGLSurface
if (draw != EGL_NO_SURFACE) {
if (!_d.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
d = get_surface(draw);
impl_draw = d->surface;
}
// retrieve the underlying implementation's read EGLSurface
if (read != EGL_NO_SURFACE) {
if (!_r.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
r = get_surface(read);
impl_read = r->surface;
}