diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_fbo.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c index 637f7ee9897..eca04b89b5a 100644 --- a/src/mesa/state_tracker/st_cb_fbo.c +++ b/src/mesa/state_tracker/st_cb_fbo.c @@ -700,7 +700,8 @@ st_ReadBuffer(struct gl_context *ctx, GLenum buffer) (void) buffer; /* add the renderbuffer on demand */ - st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex); + if (fb->_ColorReadBufferIndex >= 0) + st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex); } |