v3d: disable GL_NV_conditional_render

This feature is supported, but enabling it accidentally enables
OpenGL 3.0 & 3.1, which are not supported.

The feature is enabled in main and discussion to fix the issue is
underway, but we're disabling it in releases until we find a better

Signed-off-by: Eric Engestrom <eric@igalia.com>
Reviewed-by: Juan A. Suarez <jasuarez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22260>
3 files changed