wined3d: Add registry key for overriding the pci vendor id.

dlls/wined3d/directx.c

@@ -1675,6 +1675,12 @@ static HRESULT WINAPI IWineD3DImpl_GetAdapterIdentifier(IWineD3D *iface, UINT Ad
         *(pIdentifier->DeviceId) = wined3d_settings.pci_device_id;
     }
 
+    if(wined3d_settings.pci_vendor_id != PCI_VENDOR_NONE)
+    {
+        TRACE_(d3d_caps)("Overriding pci vendor id with: %x\n", wined3d_settings.pci_vendor_id);
+        *(pIdentifier->VendorId) = wined3d_settings.pci_vendor_id;
+    }
+
     if (Flags & WINED3DENUM_NO_WHQL_LEVEL) {
         *(pIdentifier->WHQLLevel) = 0;
     } else {

dlls/wined3d/wined3d_main.c

@@ -43,6 +43,7 @@ wined3d_settings_t wined3d_settings =
     TRUE,           /* Use of GLSL enabled by default */
     ORM_BACKBUFFER, /* Use the backbuffer to do offscreen rendering */
     RTL_AUTO,       /* Automatically determine best locking method */
+    PCI_VENDOR_NONE,/* PCI Vendor ID */
     PCI_DEVICE_NONE,/* PCI Device ID */
     0,              /* The default of memory is set in FillGLCaps */
     NULL,           /* No wine logo by default */
@@ -263,6 +264,21 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
                     wined3d_settings.pci_device_id = pci_device_id;
                 }
             }
+            if ( !get_config_key_dword( hkey, appkey, "VideoPciVendorID", &tmpvalue) )
+            {
+                int pci_vendor_id = tmpvalue;
+
+                /* A pci device id is 16-bit */
+                if(pci_vendor_id > 0xffff)
+                {
+                    ERR("Invalid value for VideoPciVendorID. The value should be smaller or equal to 65535 or 0xffff\n");
+                }
+                else
+                {
+                    TRACE("Using PCI Vendor ID %04x\n", pci_vendor_id);
+                    wined3d_settings.pci_vendor_id = pci_vendor_id;
+                }
+            }
             if ( !get_config_key( hkey, appkey, "VideoMemorySize", buffer, size) )
             {
                 int TmpVideoMemorySize = atoi(buffer);

dlls/wined3d/wined3d_private.h

@@ -185,6 +185,7 @@ static inline float float_16_to_32(const unsigned short *in) {
 #define RTL_TEXDRAW    3
 #define RTL_TEXTEX     4
 
+#define PCI_VENDOR_NONE 0xffff /* e.g. 0x8086 for Intel and 0x10de for Nvidia */
 #define PCI_DEVICE_NONE 0xffff /* e.g. 0x14f for a Geforce6200 */
 
 /* NOTE: When adding fields to this structure, make sure to update the default
@@ -200,6 +201,7 @@ typedef struct wined3d_settings_s {
   BOOL glslRequested;
   int offscreen_rendering_mode;
   int rendertargetlock_mode;
+  unsigned short pci_vendor_id;
   unsigned short pci_device_id;
 /* Memory tracking and object counting */
   unsigned int emulated_textureram;