On 31/10/2019 09:35, Chris Wilson wrote:
> The system can be disabling HW acceleration unbeknowst to the user,
> leading to a long debug session trying to work out which component is
> failing. A quick mention that it is the environment override would be
> very useful.
> ---
> src/egl/main/egldriver.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/src/egl/main/egldriver.c b/src/egl/main/egldriver.c
> index 0d8919aa0e1..132b12ab4cb 100644
> --- a/src/egl/main/egldriver.c
> +++ b/src/egl/main/egldriver.c
> @@ -92,6 +92,8 @@ _eglMatchDriver(_EGLDisplay *disp)
> /* set options */
> disp->Options.ForceSoftware =
> env_var_as_boolean("LIBGL_ALWAYS_SOFTWARE", false);
> + if (disp->Options.ForceSoftware)
> + _eglLog(_EGL_DEBUG, "Found 'LIBGL_ALWAYS_SOFTWARE' set, forcing
> swrast");
Maybe we want to remain generic rather than just saying swrast, but not
sure if LIBGL_ALWAYS_SOFTWARE would enable llvmpipe if available rather
than swrast. Maybe we can say "will use a CPU renderer".
In any case, the change is:
Acked-by: Martin Peres <martin.pe...@linux.intel.com>
Martin
>
> best_drv = _eglMatchAndInitialize(disp);
> if (!best_drv && !disp->Options.ForceSoftware) {
>
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