wine/dlls/dxgi/factory.c
Ričardas Barkauskas 342ce213e6 dxgi: Avoid division by zero.
Based on patch by Eduard - Gabriel Munteanu.
2012-09-25 11:20:17 +02:00

370 lines
11 KiB
C

/*
* Copyright 2008 Henri Verbeet for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#include "config.h"
#include "wine/port.h"
#include "dxgi_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dxgi);
static inline struct dxgi_factory *impl_from_IWineDXGIFactory(IWineDXGIFactory *iface)
{
return CONTAINING_RECORD(iface, struct dxgi_factory, IWineDXGIFactory_iface);
}
/* IUnknown methods */
static HRESULT STDMETHODCALLTYPE dxgi_factory_QueryInterface(IWineDXGIFactory *iface, REFIID riid, void **object)
{
TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);
if (IsEqualGUID(riid, &IID_IUnknown)
|| IsEqualGUID(riid, &IID_IDXGIObject)
|| IsEqualGUID(riid, &IID_IDXGIFactory)
|| IsEqualGUID(riid, &IID_IWineDXGIFactory))
{
IUnknown_AddRef(iface);
*object = iface;
return S_OK;
}
WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
*object = NULL;
return E_NOINTERFACE;
}
static ULONG STDMETHODCALLTYPE dxgi_factory_AddRef(IWineDXGIFactory *iface)
{
struct dxgi_factory *This = impl_from_IWineDXGIFactory(iface);
ULONG refcount = InterlockedIncrement(&This->refcount);
TRACE("%p increasing refcount to %u\n", This, refcount);
return refcount;
}
static ULONG STDMETHODCALLTYPE dxgi_factory_Release(IWineDXGIFactory *iface)
{
struct dxgi_factory *This = impl_from_IWineDXGIFactory(iface);
ULONG refcount = InterlockedDecrement(&This->refcount);
TRACE("%p decreasing refcount to %u\n", This, refcount);
if (!refcount)
{
UINT i;
for (i = 0; i < This->adapter_count; ++i)
{
IDXGIAdapter_Release(This->adapters[i]);
}
HeapFree(GetProcessHeap(), 0, This->adapters);
EnterCriticalSection(&dxgi_cs);
wined3d_decref(This->wined3d);
LeaveCriticalSection(&dxgi_cs);
HeapFree(GetProcessHeap(), 0, This);
}
return refcount;
}
/* IDXGIObject methods */
static HRESULT STDMETHODCALLTYPE dxgi_factory_SetPrivateData(IWineDXGIFactory *iface,
REFGUID guid, UINT data_size, const void *data)
{
FIXME("iface %p, guid %s, data_size %u, data %p stub!\n", iface, debugstr_guid(guid), data_size, data);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE dxgi_factory_SetPrivateDataInterface(IWineDXGIFactory *iface,
REFGUID guid, const IUnknown *object)
{
FIXME("iface %p, guid %s, object %p stub!\n", iface, debugstr_guid(guid), object);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE dxgi_factory_GetPrivateData(IWineDXGIFactory *iface,
REFGUID guid, UINT *data_size, void *data)
{
FIXME("iface %p, guid %s, data_size %p, data %p stub!\n", iface, debugstr_guid(guid), data_size, data);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE dxgi_factory_GetParent(IWineDXGIFactory *iface, REFIID riid, void **parent)
{
WARN("iface %p, riid %s, parent %p.\n", iface, debugstr_guid(riid), parent);
*parent = NULL;
return E_NOINTERFACE;
}
/* IDXGIFactory methods */
static HRESULT STDMETHODCALLTYPE dxgi_factory_EnumAdapters(IWineDXGIFactory *iface,
UINT adapter_idx, IDXGIAdapter **adapter)
{
struct dxgi_factory *This = impl_from_IWineDXGIFactory(iface);
TRACE("iface %p, adapter_idx %u, adapter %p\n", iface, adapter_idx, adapter);
if (!adapter) return DXGI_ERROR_INVALID_CALL;
if (adapter_idx >= This->adapter_count)
{
*adapter = NULL;
return DXGI_ERROR_NOT_FOUND;
}
*adapter = This->adapters[adapter_idx];
IDXGIAdapter_AddRef(*adapter);
TRACE("Returning adapter %p\n", *adapter);
return S_OK;
}
static HRESULT STDMETHODCALLTYPE dxgi_factory_MakeWindowAssociation(IWineDXGIFactory *iface, HWND window, UINT flags)
{
FIXME("iface %p, window %p, flags %#x stub!\n\n", iface, window, flags);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE dxgi_factory_GetWindowAssociation(IWineDXGIFactory *iface, HWND *window)
{
FIXME("iface %p, window %p stub!\n", iface, window);
return E_NOTIMPL;
}
static UINT dxgi_rational_to_uint(const DXGI_RATIONAL *rational)
{
if (rational->Denominator)
return rational->Numerator / rational->Denominator;
else
return rational->Numerator;
}
static HRESULT STDMETHODCALLTYPE dxgi_factory_CreateSwapChain(IWineDXGIFactory *iface,
IUnknown *device, DXGI_SWAP_CHAIN_DESC *desc, IDXGISwapChain **swapchain)
{
struct wined3d_swapchain *wined3d_swapchain;
struct wined3d_swapchain_desc wined3d_desc;
struct wined3d_device *wined3d_device;
IWineDXGIDevice *dxgi_device;
UINT count;
HRESULT hr;
FIXME("iface %p, device %p, desc %p, swapchain %p partial stub!\n", iface, device, desc, swapchain);
hr = IUnknown_QueryInterface(device, &IID_IWineDXGIDevice, (void **)&dxgi_device);
if (FAILED(hr))
{
ERR("This is not the device we're looking for\n");
return hr;
}
wined3d_device = IWineDXGIDevice_get_wined3d_device(dxgi_device);
IWineDXGIDevice_Release(dxgi_device);
count = wined3d_device_get_swapchain_count(wined3d_device);
if (count)
{
FIXME("Only a single swapchain supported.\n");
wined3d_device_decref(wined3d_device);
return E_FAIL;
}
if (!desc->OutputWindow)
{
FIXME("No output window, should use factory output window\n");
}
FIXME("Ignoring SwapEffect and Flags\n");
wined3d_desc.backbuffer_width = desc->BufferDesc.Width;
wined3d_desc.backbuffer_height = desc->BufferDesc.Height;
wined3d_desc.backbuffer_format = wined3dformat_from_dxgi_format(desc->BufferDesc.Format);
wined3d_desc.backbuffer_count = desc->BufferCount;
if (desc->SampleDesc.Count > 1)
{
wined3d_desc.multisample_type = desc->SampleDesc.Count;
wined3d_desc.multisample_quality = desc->SampleDesc.Quality;
}
else
{
wined3d_desc.multisample_type = WINED3D_MULTISAMPLE_NONE;
wined3d_desc.multisample_quality = 0;
}
wined3d_desc.swap_effect = WINED3D_SWAP_EFFECT_DISCARD;
wined3d_desc.device_window = desc->OutputWindow;
wined3d_desc.windowed = desc->Windowed;
wined3d_desc.enable_auto_depth_stencil = FALSE;
wined3d_desc.auto_depth_stencil_format = 0;
wined3d_desc.flags = 0; /* WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL? */
wined3d_desc.refresh_rate = dxgi_rational_to_uint(&desc->BufferDesc.RefreshRate);
wined3d_desc.swap_interval = WINED3DPRESENT_INTERVAL_DEFAULT;
hr = wined3d_device_init_3d(wined3d_device, &wined3d_desc);
if (FAILED(hr))
{
WARN("Failed to initialize 3D, returning %#x\n", hr);
wined3d_device_decref(wined3d_device);
return hr;
}
wined3d_swapchain = wined3d_device_get_swapchain(wined3d_device, 0);
wined3d_device_decref(wined3d_device);
if (!wined3d_swapchain)
{
WARN("Failed to get swapchain.\n");
return E_FAIL;
}
*swapchain = wined3d_swapchain_get_parent(wined3d_swapchain);
/* FIXME? The swapchain is created with refcount 1 by the wined3d device,
* but the wined3d device can't hold a real reference. */
TRACE("Created IDXGISwapChain %p\n", *swapchain);
return S_OK;
}
static HRESULT STDMETHODCALLTYPE dxgi_factory_CreateSoftwareAdapter(IWineDXGIFactory *iface,
HMODULE swrast, IDXGIAdapter **adapter)
{
FIXME("iface %p, swrast %p, adapter %p stub!\n", iface, swrast, adapter);
return E_NOTIMPL;
}
/* IWineDXGIFactory methods */
static struct wined3d * STDMETHODCALLTYPE dxgi_factory_get_wined3d(IWineDXGIFactory *iface)
{
struct dxgi_factory *This = impl_from_IWineDXGIFactory(iface);
TRACE("iface %p\n", iface);
EnterCriticalSection(&dxgi_cs);
wined3d_incref(This->wined3d);
LeaveCriticalSection(&dxgi_cs);
return This->wined3d;
}
static const struct IWineDXGIFactoryVtbl dxgi_factory_vtbl =
{
/* IUnknown methods */
dxgi_factory_QueryInterface,
dxgi_factory_AddRef,
dxgi_factory_Release,
/* IDXGIObject methods */
dxgi_factory_SetPrivateData,
dxgi_factory_SetPrivateDataInterface,
dxgi_factory_GetPrivateData,
dxgi_factory_GetParent,
/* IDXGIFactory methods */
dxgi_factory_EnumAdapters,
dxgi_factory_MakeWindowAssociation,
dxgi_factory_GetWindowAssociation,
dxgi_factory_CreateSwapChain,
dxgi_factory_CreateSoftwareAdapter,
/* IWineDXGIFactory methods */
dxgi_factory_get_wined3d,
};
HRESULT dxgi_factory_init(struct dxgi_factory *factory)
{
HRESULT hr;
UINT i;
factory->IWineDXGIFactory_iface.lpVtbl = &dxgi_factory_vtbl;
factory->refcount = 1;
EnterCriticalSection(&dxgi_cs);
factory->wined3d = wined3d_create(10, 0);
if (!factory->wined3d)
{
LeaveCriticalSection(&dxgi_cs);
return DXGI_ERROR_UNSUPPORTED;
}
factory->adapter_count = wined3d_get_adapter_count(factory->wined3d);
LeaveCriticalSection(&dxgi_cs);
factory->adapters = HeapAlloc(GetProcessHeap(), 0, factory->adapter_count * sizeof(*factory->adapters));
if (!factory->adapters)
{
ERR("Failed to allocate DXGI adapter array memory.\n");
hr = E_OUTOFMEMORY;
goto fail;
}
for (i = 0; i < factory->adapter_count; ++i)
{
struct dxgi_adapter *adapter = HeapAlloc(GetProcessHeap(), 0, sizeof(*adapter));
if (!adapter)
{
UINT j;
ERR("Failed to allocate DXGI adapter memory.\n");
for (j = 0; j < i; ++j)
{
IDXGIAdapter_Release(factory->adapters[j]);
}
hr = E_OUTOFMEMORY;
goto fail;
}
hr = dxgi_adapter_init(adapter, &factory->IWineDXGIFactory_iface, i);
if (FAILED(hr))
{
UINT j;
ERR("Failed to initialize adapter, hr %#x.\n", hr);
HeapFree(GetProcessHeap(), 0, adapter);
for (j = 0; j < i; ++j)
{
IDXGIAdapter_Release(factory->adapters[j]);
}
goto fail;
}
factory->adapters[i] = (IDXGIAdapter *)adapter;
}
return S_OK;
fail:
HeapFree(GetProcessHeap(), 0, factory->adapters);
EnterCriticalSection(&dxgi_cs);
wined3d_decref(factory->wined3d);
LeaveCriticalSection(&dxgi_cs);
return hr;
}