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egl: Mention if swrast is being forced 

The system can be disabling HW acceleration unbeknown 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.

v2: Use more generic "CPU renderer" and so try to avoid jargon.

Reviewed-By: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
Acked-by: Martin Peres <martin.peres@linux.intel.com>
This commit is contained in:
Chris Wilson 2019-10-31 07:29:55 +00:00
parent 9e440b8d0b
commit 863872e141
1 changed files with 2 additions and 0 deletions
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2
src/egl/main/egldriver.c
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@ -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, will use a CPU renderer");
best_drv = _eglMatchAndInitialize(disp);
if (!best_drv && !disp->Options.ForceSoftware) {