vl: Add some basic debug output for XvMC.
Set the XVMC_DEBUG env var to:
0 for no extra output
1 for error output
2 for warning output
3 for tracing output
diff --git a/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h b/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
index 6e1b863..96fe7a9 100644
--- a/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
+++ b/src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
@@ -30,6 +30,7 @@
#include <X11/Xlib.h>
#include <X11/extensions/XvMClib.h>
+#include <util/u_debug.h>
#define BLOCK_SIZE_SAMPLES 64
#define BLOCK_SIZE_BYTES (BLOCK_SIZE_SAMPLES * 2)
@@ -63,4 +64,26 @@
XvMCContext *context;
} XvMCSubPicturePrivate;
+#define XVMC_OUT 0
+#define XVMC_ERR 1
+#define XVMC_WARN 2
+#define XVMC_TRACE 3
+static INLINE void XVMC_MSG(unsigned int level, const char *fmt, ...)
+{
+ static boolean check_dbg_level = TRUE;
+ static unsigned int debug_level;
+
+ if (check_dbg_level) {
+ debug_level = debug_get_num_option("XVMC_DEBUG", 0);
+ check_dbg_level = FALSE;
+ }
+
+ if (level <= debug_level) {
+ va_list ap;
+ va_start(ap, fmt);
+ _debug_vprintf(fmt, ap);
+ va_end(ap);
+ }
+}
+
#endif /* xvmc_private_h */