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Diffstat (limited to 'mesalib/src/mesa/drivers/dri/common/utils.c')
-rw-r--r--mesalib/src/mesa/drivers/dri/common/utils.c28
1 files changed, 24 insertions, 4 deletions
diff --git a/mesalib/src/mesa/drivers/dri/common/utils.c b/mesalib/src/mesa/drivers/dri/common/utils.c
index b85b364c5..0dd879abc 100644
--- a/mesalib/src/mesa/drivers/dri/common/utils.c
+++ b/mesalib/src/mesa/drivers/dri/common/utils.c
@@ -37,6 +37,29 @@
#include "utils.h"
+/**
+ * Print message to \c stderr if the \c LIBGL_DEBUG environment variable
+ * is set.
+ *
+ * Is called from the drivers.
+ *
+ * \param f \c printf like format string.
+ */
+void
+__driUtilMessage(const char *f, ...)
+{
+ va_list args;
+
+ if (getenv("LIBGL_DEBUG")) {
+ fprintf(stderr, "libGL: ");
+ va_start(args, f);
+ vfprintf(stderr, f, args);
+ va_end(args);
+ fprintf(stderr, "\n");
+ }
+}
+
+
unsigned
driParseDebugString( const char * debug,
const struct dri_debug_control * control )
@@ -230,9 +253,6 @@ void driInitSingleExtension( GLcontext * ctx,
/**
* Utility function used by drivers to test the verions of other components.
*
- * If one of the version requirements is not met, a message is logged using
- * \c __driUtilMessage.
- *
* \param driver_name Name of the driver. Used in error messages.
* \param driActual Actual DRI version supplied __driCreateNewScreen.
* \param driExpected Minimum DRI version required by the driver.
@@ -244,7 +264,7 @@ void driInitSingleExtension( GLcontext * ctx,
* \returns \c GL_TRUE if all version requirements are met. Otherwise,
* \c GL_FALSE is returned.
*
- * \sa __driCreateNewScreen, driCheckDriDdxDrmVersions2, __driUtilMessage
+ * \sa __driCreateNewScreen, driCheckDriDdxDrmVersions2
*
* \todo
* Now that the old \c driCheckDriDdxDrmVersions function is gone, this