diff options
| -rw-r--r-- | src/mesa/drivers/osmesa/osmesa.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c index 8462ab6627d..356ba71ea83 100644 --- a/src/mesa/drivers/osmesa/osmesa.c +++ b/src/mesa/drivers/osmesa/osmesa.c @@ -966,6 +966,9 @@ OSMesaDestroyContext( OSMesaContext osmesa ) * If the context's viewport hasn't been initialized yet, it will now be * initialized to (0,0,width,height). * + * If both the context and the buffer are null, the current context will be + * unbound. + * * Input: osmesa - the rendering context * buffer - the image buffer memory * type - data type for pixel components @@ -983,6 +986,10 @@ GLAPI GLboolean GLAPIENTRY OSMesaMakeCurrent( OSMesaContext osmesa, void *buffer, GLenum type, GLsizei width, GLsizei height ) { + if (!osmesa && !buffer) { + return _mesa_make_current(NULL, NULL, NULL); + } + if (!osmesa || !buffer || width < 1 || height < 1 || width > SWRAST_MAX_WIDTH || height > SWRAST_MAX_HEIGHT) { |