[PATCH 2/2] d3d9: Set the FPU control word on device creation.
Henri Verbeet
hverbeet at codeweavers.com
Wed May 26 02:41:38 CDT 2010
---
dlls/d3d9/device.c | 15 ++++++++
dlls/d3d9/tests/device.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 96 insertions(+), 0 deletions(-)
diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index 68516cc..b9f539e 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -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);
diff --git a/dlls/d3d9/tests/device.c b/dlls/d3d9/tests/device.c
index e21f8ad..2119995 100644
--- a/dlls/d3d9/tests/device.c
+++ b/dlls/d3d9/tests/device.c
@@ -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();
--
1.6.4.4
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