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d3d9: Set the FPU control word on device creation.

This commit is contained in:
Henri Verbeet 2010-05-26 09:41:38 +02:00 committed by Alexandre Julliard
parent 7d5666e084
commit e6611e22fb
2 changed files with 96 additions and 0 deletions
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15
dlls/d3d9/device.c
View File

@ -2822,6 +2822,19 @@ static const IWineD3DDeviceParentVtbl d3d9_wined3d_device_parent_vtbl =
device_parent_CreateSwapChain,
};
static void setup_fpu(void)
{
WORD cw;
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
__asm__ volatile ("fnstcw %0" : "=m" (cw));
cw = (cw & ~0xf3f) | 0x3f;
__asm__ volatile ("fldcw %0" : : "m" (cw));
#else
FIXME("FPU setup not implemented for this platform.\n");
#endif
}
HRESULT device_init(IDirect3DDevice9Impl *device, IWineD3D *wined3d, UINT adapter, D3DDEVTYPE device_type,
HWND focus_window, DWORD flags, D3DPRESENT_PARAMETERS *parameters)
{
@ -2833,6 +2846,8 @@ HRESULT device_init(IDirect3DDevice9Impl *device, IWineD3D *wined3d, UINT adapte
device->device_parent_vtbl = &d3d9_wined3d_device_parent_vtbl;
device->ref = 1;
if (!(flags & D3DCREATE_FPU_PRESERVE)) setup_fpu();
wined3d_mutex_lock();
hr = IWineD3D_CreateDevice(wined3d, adapter, device_type, focus_window, flags, (IUnknown *)device,
(IWineD3DDeviceParent *)&device->device_parent_vtbl, &device->WineD3DDevice);

81
dlls/d3d9/tests/device.c
View File

@ -2641,6 +2641,84 @@ done:
UnregisterClassA("d3d9_test_wndproc_wc", GetModuleHandleA(NULL));
}
static inline void set_fpu_cw(WORD cw)
{
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
__asm__ volatile ("fnclex");
__asm__ volatile ("fldcw %0" : : "m" (cw));
#endif
}
static inline WORD get_fpu_cw(void)
{
WORD cw = 0;
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
__asm__ volatile ("fnstcw %0" : "=m" (cw));
#endif
return cw;
}
static void test_fpu_setup(void)
{
D3DPRESENT_PARAMETERS present_parameters;
IDirect3DDevice9 *device;
HWND window = NULL;
IDirect3D9 *d3d9;
HRESULT hr;
WORD cw;
d3d9 = pDirect3DCreate9(D3D_SDK_VERSION);
ok(!!d3d9, "Failed to create a d3d9 object.\n");
if (!d3d9) return;
window = CreateWindowA("static", "d3d9_test", WS_CAPTION, 0, 0, 640, 480, 0, 0, 0, 0);
ok(!!window, "Failed to create a window.\n");
if (!window) goto done;
memset(&present_parameters, 0, sizeof(present_parameters));
present_parameters.Windowed = TRUE;
present_parameters.hDeviceWindow = window;
present_parameters.SwapEffect = D3DSWAPEFFECT_DISCARD;
set_fpu_cw(0xf60);
cw = get_fpu_cw();
ok(cw == 0xf60, "cw is %#x, expected 0xf60.\n", cw);
hr = IDirect3D9_CreateDevice(d3d9, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, window,
D3DCREATE_HARDWARE_VERTEXPROCESSING, &present_parameters, &device);
if (FAILED(hr))
{
skip("Failed to create a device, hr %#x.\n", hr);
set_fpu_cw(0x37f);
goto done;
}
cw = get_fpu_cw();
ok(cw == 0x7f, "cw is %#x, expected 0x7f.\n", cw);
IDirect3DDevice9_Release(device);
cw = get_fpu_cw();
ok(cw == 0x7f, "cw is %#x, expected 0x7f.\n", cw);
set_fpu_cw(0xf60);
cw = get_fpu_cw();
ok(cw == 0xf60, "cw is %#x, expected 0xf60.\n", cw);
hr = IDirect3D9_CreateDevice(d3d9, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, window,
D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_FPU_PRESERVE, &present_parameters, &device);
ok(SUCCEEDED(hr), "CreateDevice failed, hr %#x.\n", hr);
cw = get_fpu_cw();
ok(cw == 0xf60, "cw is %#x, expected 0xf60.\n", cw);
set_fpu_cw(0x37f);
IDirect3DDevice9_Release(device);
done:
if (window) DestroyWindow(window);
if (d3d9) IDirect3D9_Release(d3d9);
}
START_TEST(device)
{
HMODULE d3d9_handle = LoadLibraryA( "d3d9.dll" );
@ -2662,6 +2740,9 @@ START_TEST(device)
}
IDirect3D9_Release(d3d9);
#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
test_fpu_setup();
#endif
test_multi_device();
test_display_formats();
test_display_modes();