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d3d8: Set the FPU control word on device creation.
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7d5666e084
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@ -2764,6 +2764,19 @@ static const IWineD3DDeviceParentVtbl d3d8_wined3d_device_parent_vtbl =
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device_parent_CreateSwapChain,
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};
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static void setup_fpu(void)
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{
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WORD cw;
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#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
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__asm__ volatile ("fnstcw %0" : "=m" (cw));
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cw = (cw & ~0xf3f) | 0x3f;
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__asm__ volatile ("fldcw %0" : : "m" (cw));
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#else
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FIXME("FPU setup not implemented for this platform.\n");
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#endif
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}
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HRESULT device_init(IDirect3DDevice8Impl *device, IWineD3D *wined3d, UINT adapter,
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D3DDEVTYPE device_type, HWND focus_window, DWORD flags, D3DPRESENT_PARAMETERS *parameters)
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{
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@ -2782,6 +2795,8 @@ HRESULT device_init(IDirect3DDevice8Impl *device, IWineD3D *wined3d, UINT adapte
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}
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device->handle_table.table_size = D3D8_INITIAL_HANDLE_TABLE_SIZE;
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if (!(flags & D3DCREATE_FPU_PRESERVE)) setup_fpu();
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wined3d_mutex_lock();
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hr = IWineD3D_CreateDevice(wined3d, adapter, device_type, focus_window, flags, (IUnknown *)device,
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(IWineD3DDeviceParent *)&device->device_parent_vtbl, &device->WineD3DDevice);
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@ -1797,6 +1797,89 @@ done:
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UnregisterClassA("d3d8_test_wndproc_wc", GetModuleHandleA(NULL));
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}
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static inline void set_fpu_cw(WORD cw)
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{
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#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
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__asm__ volatile ("fnclex");
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__asm__ volatile ("fldcw %0" : : "m" (cw));
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#endif
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}
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static inline WORD get_fpu_cw(void)
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{
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WORD cw = 0;
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#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
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__asm__ volatile ("fnstcw %0" : "=m" (cw));
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#endif
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return cw;
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}
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static void test_fpu_setup(void)
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{
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D3DPRESENT_PARAMETERS present_parameters;
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IDirect3DDevice8 *device;
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D3DDISPLAYMODE d3ddm;
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HWND window = NULL;
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IDirect3D8 *d3d8;
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HRESULT hr;
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WORD cw;
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d3d8 = pDirect3DCreate8(D3D_SDK_VERSION);
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ok(!!d3d8, "Failed to create a d3d8 object.\n");
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if (!d3d8) return;
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window = CreateWindowA("static", "d3d8_test", WS_CAPTION, 0, 0, 640, 480, 0, 0, 0, 0);
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ok(!!window, "Failed to create a window.\n");
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if (!window) goto done;
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hr = IDirect3D8_GetAdapterDisplayMode(d3d8, D3DADAPTER_DEFAULT, &d3ddm);
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ok(SUCCEEDED(hr), "GetAdapterDisplayMode failed, hr %#x.\n", hr);
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memset(&present_parameters, 0, sizeof(present_parameters));
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present_parameters.Windowed = TRUE;
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present_parameters.hDeviceWindow = window;
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present_parameters.SwapEffect = D3DSWAPEFFECT_DISCARD;
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present_parameters.BackBufferFormat = d3ddm.Format;
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set_fpu_cw(0xf60);
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cw = get_fpu_cw();
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ok(cw == 0xf60, "cw is %#x, expected 0xf60.\n", cw);
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hr = IDirect3D8_CreateDevice(d3d8, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, window,
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D3DCREATE_HARDWARE_VERTEXPROCESSING, &present_parameters, &device);
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if (FAILED(hr))
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{
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skip("Failed to create a device, hr %#x.\n", hr);
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set_fpu_cw(0x37f);
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goto done;
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}
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cw = get_fpu_cw();
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ok(cw == 0x7f, "cw is %#x, expected 0x7f.\n", cw);
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IDirect3DDevice8_Release(device);
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cw = get_fpu_cw();
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ok(cw == 0x7f, "cw is %#x, expected 0x7f.\n", cw);
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set_fpu_cw(0xf60);
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cw = get_fpu_cw();
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ok(cw == 0xf60, "cw is %#x, expected 0xf60.\n", cw);
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hr = IDirect3D8_CreateDevice(d3d8, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, window,
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D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_FPU_PRESERVE, &present_parameters, &device);
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ok(SUCCEEDED(hr), "CreateDevice failed, hr %#x.\n", hr);
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cw = get_fpu_cw();
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ok(cw == 0xf60, "cw is %#x, expected 0xf60.\n", cw);
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set_fpu_cw(0x37f);
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IDirect3DDevice8_Release(device);
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done:
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if (window) DestroyWindow(window);
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if (d3d8) IDirect3D8_Release(d3d8);
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}
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START_TEST(device)
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{
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HMODULE d3d8_handle = LoadLibraryA( "d3d8.dll" );
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@ -1819,6 +1902,9 @@ START_TEST(device)
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}
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IDirect3D8_Release(d3d8);
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#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
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test_fpu_setup();
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#endif
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test_display_modes();
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test_shader_versions();
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test_swapchain();
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