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-rw-r--r--src/intel/vulkan/tests/block_pool_grow_first.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/intel/vulkan/tests/block_pool_grow_first.c b/src/intel/vulkan/tests/block_pool_grow_first.c
new file mode 100644
index 00000000000..aea12b29de8
--- /dev/null
+++ b/src/intel/vulkan/tests/block_pool_grow_first.c
@@ -0,0 +1,63 @@
+/*
+ * 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.
+ */
+
+#undef NDEBUG
+
+#include "anv_private.h"
+
+int main(int argc, char **argv)
+{
+ struct anv_instance instance;
+ struct anv_device device = {
+ .instance = &instance,
+ };
+ struct anv_block_pool pool;
+
+ /* Create a pool with initial size smaller than the block allocated, so
+ * that it must grow in the first allocation.
+ */
+ const uint32_t block_size = 16 * 1024;
+ const uint32_t initial_size = block_size / 2;
+
+ anv_block_pool_init(&pool, &device, 4096, initial_size, EXEC_OBJECT_PINNED);
+ assert(pool.size == initial_size);
+
+ uint32_t padding;
+ int32_t offset = anv_block_pool_alloc(&pool, block_size, &padding);
+
+ /* Pool will have grown at least space to fit the new allocation. */
+ assert(pool.size > initial_size);
+ assert(pool.size >= initial_size + block_size);
+
+ /* The whole initial size is considered padding and the allocation should be
+ * right next to it.
+ */
+ assert(padding == initial_size);
+ assert(offset == initial_size);
+
+ /* Use the memory to ensure it is valid. */
+ void *map = anv_block_pool_map(&pool, offset);
+ memset(map, 22, block_size);
+
+ anv_block_pool_finish(&pool);
+}