[Mesa-dev] [PATCH] egl: Mention if swrast is being forced

Chris Wilson chris at chris-wilson.co.uk
Thu Oct 31 07:35:04 UTC 2019


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");
 
    best_drv = _eglMatchAndInitialize(disp);
    if (!best_drv && !disp->Options.ForceSoftware) {
-- 
2.24.0.rc1



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