From 0470a59df89ab453bdbe0fc2f820278cfffdc61c Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 20 Sep 2011 08:40:57 +0200 Subject: libX11 libxtrans mesa git update 20 sep 2011 --- mesalib/src/mesa/main/bufferobj.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'mesalib/src/mesa/main/bufferobj.c') diff --git a/mesalib/src/mesa/main/bufferobj.c b/mesalib/src/mesa/main/bufferobj.c index a30340174..99edb1ade 100644 --- a/mesalib/src/mesa/main/bufferobj.c +++ b/mesalib/src/mesa/main/bufferobj.c @@ -1376,6 +1376,17 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, return NULL; } + if (access & ~(GL_MAP_READ_BIT | + GL_MAP_WRITE_BIT | + GL_MAP_INVALIDATE_RANGE_BIT | + GL_MAP_INVALIDATE_BUFFER_BIT | + GL_MAP_FLUSH_EXPLICIT_BIT | + GL_MAP_UNSYNCHRONIZED_BIT)) { + /* generate an error if any undefind bit is set */ + _mesa_error(ctx, GL_INVALID_VALUE, "glMapBufferRange(access)"); + return NULL; + } + if ((access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == 0) { _mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferRange(access indicates neither read or write)"); -- cgit v1.2.3