diff --git a/dlls/d3d12/tests/d3d12.c b/dlls/d3d12/tests/d3d12.c index 67e72405d89..dec7cf85583 100644 --- a/dlls/d3d12/tests/d3d12.c +++ b/dlls/d3d12/tests/d3d12.c @@ -1009,6 +1009,82 @@ static void test_swapchain_size_mismatch(void) destroy_test_context(&context); } +static void test_swapchain_backbuffer_index(void) +{ + static const float green[] = {0.0f, 1.0f, 0.0f, 1.0f}; + unsigned int previous_index, expected_index, index, i; + ID3D12GraphicsCommandList *command_list; + ID3D12Resource *backbuffers[2]; + struct test_context_desc desc; + struct test_context context; + unsigned int sync_interval; + IDXGISwapChain3 *swapchain; + ID3D12CommandQueue *queue; + ID3D12Device *device; + ULONG refcount; + HWND window; + HRESULT hr; + RECT rect; + BOOL ret; + + desc.no_pipeline = TRUE; + if (!init_test_context(&context, &desc)) + return; + device = context.device; + command_list = context.list; + queue = context.queue; + + window = create_window(WS_VISIBLE); + ret = GetClientRect(window, &rect); + ok(ret, "Failed to get client rect.\n"); + swapchain = create_swapchain(queue, window, DXGI_FORMAT_B8G8R8A8_UNORM, rect.right, rect.bottom); + + for (i = 0; i < ARRAY_SIZE(backbuffers); ++i) + { + hr = IDXGISwapChain3_GetBuffer(swapchain, i, &IID_ID3D12Resource, (void **)&backbuffers[i]); + ok(hr == S_OK, "Failed to get swapchain buffer %u, hr %#x.\n", i, hr); + } + + previous_index = 1; + for (i = 0; i < 20; ++i) + { + index = IDXGISwapChain3_GetCurrentBackBufferIndex(swapchain); + ID3D12Device_CreateRenderTargetView(device, backbuffers[index], NULL, context.rtv); + + expected_index = (previous_index + 1) % 2; + ok(index == expected_index, "Test %u: Got index %u, expected %u.\n", i, index, expected_index); + + transition_sub_resource_state(command_list, backbuffers[index], 0, + D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET); + ID3D12GraphicsCommandList_ClearRenderTargetView(command_list, context.rtv, green, 0, NULL); + transition_sub_resource_state(command_list, backbuffers[index], 0, + D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT); + hr = ID3D12GraphicsCommandList_Close(command_list); + ok(hr == S_OK, "Failed to close command list, hr %#x.\n", hr); + exec_command_list(queue, command_list); + + if (i <= 4 || (8 <= i && i <= 14)) + sync_interval = 1; + else + sync_interval = 0; + + hr = IDXGISwapChain3_Present(swapchain, sync_interval, 0); + ok(hr == S_OK, "Failed to present, hr %#x.\n", hr); + + wait_queue_idle(device, queue); + reset_command_list(command_list, context.allocator); + + previous_index = index; + } + + for (i = 0; i < ARRAY_SIZE(backbuffers); ++i) + ID3D12Resource_Release(backbuffers[i]); + refcount = IDXGISwapChain3_Release(swapchain); + ok(!refcount, "Swapchain has %u references left.\n", refcount); + DestroyWindow(window); + destroy_test_context(&context); +} + START_TEST(d3d12) { BOOL enable_debug_layer = FALSE; @@ -1039,4 +1115,5 @@ START_TEST(d3d12) test_draw(); test_swapchain_draw(); test_swapchain_size_mismatch(); + test_swapchain_backbuffer_index(); }