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tests: Add test for overlapped buffer copies. 

Signed-off-by: Hans-Kristian Arntzen <post@arntzen-software.no>
This commit is contained in:
Hans-Kristian Arntzen 2022-01-19 12:42:54 +01:00
parent 5c492e9e6c
commit 338157eb04
2 changed files with 97 additions and 0 deletions
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96
tests/d3d12_copy.c
View File

@ -1171,3 +1171,99 @@ void test_multisample_resolve(void)
destroy_test_context(&context);
}
void test_copy_buffer_overlap(void)
{
uint32_t reference_output[4][16 * 1024] = {{0}};
ID3D12Resource *dst_buffer[4];
uint32_t src_data[16 * 1024];
struct test_context context;
struct resource_readback rb;
ID3D12Resource *src_buffer;
unsigned int i, j;
struct copy_command
{
unsigned int buf_index;
unsigned int dst_index;
unsigned int src_index;
unsigned int count;
};
static const struct copy_command commands[] =
{
/* These should be able to run without any barriers. */
{ 0, 0, 0, 8192 },
{ 0, 8192, 8192, 8192 },
{ 1, 0, 0, 8192 },
{ 1, 8192, 8192, 8192 },
{ 2, 0, 0, 8192 },
{ 2, 8192, 8192, 8192 },
{ 3, 0, 0, 8192 },
{ 3, 8192, 8192, 8192 },
/* Needs barrier. */
{ 0, 1, 0, 8192 },
/* Needs barrier. */
{ 0, 8000, 4, 1 },
{ 1, 1000, 5001, 3},
/* Needs barrier. */
{ 1, 1000, 5000, 8192 },
{ 2, 0, 0, 8192 },
/* Needs barrier. */
{ 2, 1, 0, 8192 },
/* Needs barrier. */
{ 2, 2, 0, 8192 },
/* Needs barrier. */
{ 2, 3, 0, 8192 },
};
/* Drivers are required to implicitly synchronize any overlapping copies to same destination.
* There is no Transfer barrier after all, only UAV ...
* For images we do this implicitly through image layout transitions on entry/exit,
* but for buffers, we need to explicitly inject barriers as necessary.
* Verify that reordering of copy commands does not happen. */
if (!init_compute_test_context(&context))
return;
for (i = 0; i < ARRAY_SIZE(src_data); i++)
src_data[i] = i;
src_buffer = create_upload_buffer(context.device, sizeof(src_data), src_data);
for (i = 0; i < ARRAY_SIZE(dst_buffer); i++)
{
dst_buffer[i] = create_default_buffer(context.device, sizeof(src_data),
D3D12_RESOURCE_FLAG_NONE, D3D12_RESOURCE_STATE_COPY_DEST);
}
for (i = 0; i < ARRAY_SIZE(commands); i++)
{
ID3D12GraphicsCommandList_CopyBufferRegion(context.list,
dst_buffer[commands[i].buf_index], commands[i].dst_index * sizeof(uint32_t),
src_buffer, commands[i].src_index * sizeof(uint32_t),
commands[i].count * sizeof(uint32_t));
for (j = 0; j < commands[i].count; j++)
reference_output[commands[i].buf_index][commands[i].dst_index + j] = commands[i].src_index + j;
}
for (i = 0; i < ARRAY_SIZE(dst_buffer); i++)
{
transition_resource_state(context.list, dst_buffer[i],
D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_COPY_SOURCE);
get_buffer_readback_with_command_list(dst_buffer[i], DXGI_FORMAT_R32_UINT, &rb, context.queue, context.list);
reset_command_list(context.list, context.allocator);
for (j = 0; j < ARRAY_SIZE(reference_output[i]); j++)
{
ok(get_readback_uint(&rb, j, 0, 0) == reference_output[i][j], "%u, %u: Expected %u, got %u.\n",
i, j, reference_output[i][j], get_readback_uint(&rb, j, 0, 0));
}
release_resource_readback(&rb);
}
for (i = 0; i < ARRAY_SIZE(dst_buffer); i++)
ID3D12Resource_Release(dst_buffer[i]);
ID3D12Resource_Release(src_buffer);
destroy_test_context(&context);
}

1
tests/d3d12_tests.h
View File

@ -146,6 +146,7 @@ decl_test(test_copy_texture);
decl_test(test_copy_texture_buffer);
decl_test(test_copy_buffer_texture);
decl_test(test_copy_block_compressed_texture);
decl_test(test_copy_buffer_overlap);
decl_test(test_separate_bindings);
decl_test(test_face_culling_dxbc);
decl_test(test_face_culling_dxil);