radv: move RADV_TRACE_FILE functions to radv_debug.c

At the moment, debugging radv is not really easy because the
driver doesn't report enough information when it hangs. This
new file will be the main location for all debug tools.

Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>

1 files changed, 64 insertions, 0 deletions

diff --git a/src/amd/vulkan/radv_debug.c b/src/amd/vulkan/radv_debug.c
new file mode 100644
index 00000000000..2c3f01526f4
--- /dev/null
+++ b/src/amd/vulkan/radv_debug.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright © 2016 Red Hat.
+ * Copyright © 2016 Bas Nieuwenhuizen
+ *
+ * based in part on anv driver which is:
+ * Copyright © 2015 Intel Corporation
+ *
+ * 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
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "radv_debug.h"
+
+bool
+radv_init_trace(struct radv_device *device)
+{
+	struct radeon_winsys *ws = device->ws;
+
+	device->trace_bo = ws->buffer_create(ws, 4096, 8, RADEON_DOMAIN_VRAM,
+					     RADEON_FLAG_CPU_ACCESS);
+	if (!device->trace_bo)
+		return false;
+
+	device->trace_id_ptr = ws->buffer_map(device->trace_bo);
+	if (!device->trace_id_ptr)
+		return false;
+
+	return true;
+}
+
+void
+radv_dump_trace(struct radv_device *device, struct radeon_winsys_cs *cs)
+{
+	const char *filename = getenv("RADV_TRACE_FILE");
+	FILE *f = fopen(filename, "w");
+
+	if (!f) {
+		fprintf(stderr, "Failed to write trace dump to %s\n", filename);
+		return;
+	}
+
+	fprintf(f, "Trace ID: %x\n", *device->trace_id_ptr);
+	device->ws->cs_dump(cs, f, (const int*)device->trace_id_ptr, 2);
+	fclose(f);
+}