27 lines
920 B
Diff
27 lines
920 B
Diff
diff -ur glxgears.orig/glxgears.c glxgears/glxgears.c
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--- glxgears.orig/glxgears.c 2005-04-15 10:37:23.000000000 +0200
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+++ glxgears/glxgears.c 2009-01-20 17:57:12.000000000 +0100
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@@ -42,6 +42,7 @@
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*
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*/
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+#define _GNU_SOURCE
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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@@ -862,6 +863,14 @@
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printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
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}
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+ if (! glXIsDirect(dpy, ctx))
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+ printf ("\n***\n*** WARNING: Direct Rendering is NOT enabled\n***\n");
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+ else if (strcasestr ((char *) glGetString(GL_RENDERER), "software"))
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+ printf ("\n***\n*** WARNING: Hardware acceleration is NOT active\n***\n");
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+ printf ("\n*** NOTE: Don't use glxgears as a benchmark.\n"
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+ " OpenGL implementations are not optimized for frame rates >> 60fps,\n"
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+ " thus these numbers are meaningless when compared between vendors.\n\n");
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+
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init();
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#ifdef BUILD_PRINTSUPPORT
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