egl+glx: turn LIBGL_ALWAYS_SOFTWARE into a boolean

[mesa.git] / src / glx / apple / apple_visual.c

diff --git a/src/glx/apple/apple_visual.c b/src/glx/apple/apple_visual.c
index d665cd7e01c271d6368c7f8577e1c3c1dd20be2d..a4918239178189f1aa80363742cf18c2b35f6146 100644 (file)
--- a/src/glx/apple/apple_visual.c
+++ b/src/glx/apple/apple_visual.c
@@ -90,7 +90,7 @@ apple_visual_create_pfobj(CGLPixelFormatObj * pfobj, const struct glx_config * m
 
       attr[numattr++] = kCGLPFAOffScreen;
    }
-   else if (getenv("LIBGL_ALWAYS_SOFTWARE") != NULL) {
+   else if (env_var_as_boolean("LIBGL_ALWAYS_SOFTWARE", false)) {
       apple_glx_diagnostic
          ("Software rendering requested.  Using kCGLRendererGenericFloatID.\n");
       attr[numattr++] = kCGLPFARendererID;