diff options
| -rw-r--r-- | src/mesa/main/bufferobj.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c index a303401748c..99edb1adeaa 100644 --- a/src/mesa/main/bufferobj.c +++ b/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)"); |