gallium: expose a debug message callback settable by context owner

This will allow gallium drivers to send messages to KHR_debug endpoints

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

2 files changed, 34 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/util/u_debug.c b/src/gallium/auxiliary/util/u_debug.c
index 7388a499c74..702953673ba 100644
--- a/src/gallium/auxiliary/util/u_debug.c
+++ b/src/gallium/auxiliary/util/u_debug.c
@@ -70,6 +70,20 @@ void _debug_vprintf(const char *format, va_list ap)
 #endif
 }
 
+void
+_pipe_debug_message(
+   struct pipe_debug_callback *cb,
+   unsigned *id,
+   enum pipe_debug_type type,
+   const char *fmt, ...)
+{
+   va_list args;
+   va_start(args, fmt);
+   if (cb && cb->debug_message)
+      cb->debug_message(cb->data, id, type, fmt, args);
+   va_end(args);
+}
+
 
 void
 debug_disable_error_message_boxes(void)
diff --git a/src/gallium/auxiliary/util/u_debug.h b/src/gallium/auxiliary/util/u_debug.h
index 926063a1918..aaf223c6f68 100644
--- a/src/gallium/auxiliary/util/u_debug.h
+++ b/src/gallium/auxiliary/util/u_debug.h
@@ -42,6 +42,7 @@
 #include "os/os_misc.h"
 
 #include "pipe/p_format.h"
+#include "pipe/p_defines.h"
 
 
 #ifdef	__cplusplus
@@ -262,6 +263,25 @@ void _debug_assert_fail(const char *expr,
    _debug_printf("error: %s\n", __msg)
 #endif
 
+/**
+ * Output a debug log message to the debug info callback.
+ */
+#define pipe_debug_message(cb, type, fmt, ...) do { \
+   static unsigned id = 0; \
+   _pipe_debug_message(cb, &id, \
+                       PIPE_DEBUG_TYPE_ ## type, \
+                       fmt, __VA_ARGS__); \
+} while (0)
+
+struct pipe_debug_callback;
+
+void
+_pipe_debug_message(
+   struct pipe_debug_callback *cb,
+   unsigned *id,
+   enum pipe_debug_type type,
+   const char *fmt, ...) _util_printf_format(4, 5);
+
 
 /**
  * Used by debug_dump_enum and debug_dump_flags to describe symbols.