[igt-dev] [PATCH i-g-t 24/35] tests/api_intel_bb: Add simple intel-bb which uses allocator

["Zbigniew Kempczyński" <zbigniew.kempczynski@intel.com>]

A simple test which uses allocator and can be easily copy-paste
when intel-bb is used for batchbuffer creation.

Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/i915/api_intel_bb.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/tests/i915/api_intel_bb.c b/tests/i915/api_intel_bb.c
index bf886ca3c..e45705726 100644
--- a/tests/i915/api_intel_bb.c
+++ b/tests/i915/api_intel_bb.c
@@ -209,6 +209,34 @@ static void simple_bb(struct buf_ops *bops, bool use_context)
 	intel_bb_destroy(ibb);
 }
 
+static void bb_with_allocator(struct buf_ops *bops)
+{
+	int i915 = buf_ops_get_fd(bops);
+	struct intel_bb *ibb;
+	struct intel_buf *src, *dst;
+	uint32_t ctx = 0;
+
+	igt_require(gem_uses_full_ppgtt(i915));
+
+	ibb = intel_bb_create_with_allocator(i915, ctx, PAGE_SIZE,
+					     INTEL_ALLOCATOR_SIMPLE);
+	if (debug_bb)
+		intel_bb_set_debug(ibb, true);
+
+	src = intel_buf_create(bops, 4096/32, 32, 8, 0, I915_TILING_NONE,
+			       I915_COMPRESSION_NONE);
+	dst = intel_buf_create(bops, 4096/32, 32, 8, 0, I915_TILING_NONE,
+			       I915_COMPRESSION_NONE);
+
+	intel_bb_add_intel_buf(ibb, src, false);
+	intel_bb_add_intel_buf(ibb, dst, true);
+	intel_bb_copy_intel_buf(ibb, dst, src, 4096);
+	intel_bb_remove_intel_buf(ibb, src);
+	intel_bb_remove_intel_buf(ibb, dst);
+
+	intel_bb_destroy(ibb);
+}
+
 /*
  * Make sure we lead to realloc in the intel_bb.
  */
@@ -1494,6 +1522,9 @@ igt_main_args("dpib", NULL, help_str, opt_handler, NULL)
 	igt_subtest("simple-bb-ctx")
 		simple_bb(bops, true);
 
+	igt_subtest("bb-with-allocator")
+		bb_with_allocator(bops);
+
 	igt_subtest("lot-of-buffers")
 		lot_of_buffers(bops);
 
-- 
2.26.0

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