gallium: Add u_default_set_debug_callback

Drivers that don't use compile queues can use a common implementation. Drivers
that do can tail call into the common implementation.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18351>

diff --git a/src/gallium/auxiliary/meson.build b/src/gallium/auxiliary/meson.build
index 437b98e..0ef46d7 100644 (file)
--- a/src/gallium/auxiliary/meson.build
+++ b/src/gallium/auxiliary/meson.build
@@ -230,6 +230,7 @@ files_libgallium = files(
   'util/u_cache.h',
   'util/u_compute.c',
   'util/u_compute.h',
+  'util/u_debug_cb.h',
   'util/u_debug_flush.c',
   'util/u_debug_flush.h',
   'util/u_debug_image.c',

diff --git a/src/gallium/auxiliary/util/u_debug_cb.h b/src/gallium/auxiliary/util/u_debug_cb.h
new file mode 100644 (file)
index 0000000..5253772
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_debug_cb.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2022 Collabora, Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef U_DEBUG_H
+#define U_DEBUG_H
+
+#include "util/u_debug.h"
+#include "pipe/p_context.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static inline void
+u_default_set_debug_callback(struct pipe_context *ctx,
+                             const struct util_debug_callback *cb)
+{
+   if (cb)
+      ctx->debug = *cb;
+   else
+      memset(&ctx->debug, 0, sizeof(ctx->debug));
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* U_LOG_H */

diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h
index 75e30da..c4471a3 100644 (file)
--- a/src/gallium/include/pipe/p_context.h
+++ b/src/gallium/include/pipe/p_context.h
@@ -32,6 +32,7 @@
 #include "p_format.h"
 #include "p_video_enums.h"
 #include "p_defines.h"
+#include "util/u_debug.h"
 #include <stdio.h>
 
 #ifdef __cplusplus
@@ -104,6 +105,12 @@ struct pipe_context {
    struct u_upload_mgr *stream_uploader; /* everything but shader constants */
    struct u_upload_mgr *const_uploader;  /* shader constants only */
 
+   /**
+    * Debug callback set by u_default_set_debug_callback. Frontends should use
+    * set_debug_callback in case drivers need to flush compiler queues.
+    */
+   struct util_debug_callback debug;
+
    void (*destroy)( struct pipe_context * );
 
    /**