wined3d: Disable MAG filters on formats that do not support them.

dlls/wined3d/basetexture.c

@@ -434,7 +434,7 @@ void WINAPI IWineD3DBaseTextureImpl_ApplyStateChanges(IWineD3DBaseTexture *iface
         if (state < WINED3DTEXF_NONE || state > WINED3DTEXF_ANISOTROPIC) {
             FIXME("Unrecognized or unsupported MAGFILTER* value %d\n", state);
         }
-        glValue = magLookup[state - WINED3DTEXF_NONE];
+        glValue = (*This->baseTexture.magLookup)[state - WINED3DTEXF_NONE];
         TRACE("ValueMAG=%d setting MAGFILTER to %x\n", state, glValue);
         glTexParameteri(textureDimensions, GL_TEXTURE_MAG_FILTER, glValue);
         /* We need to reset the Anisotropic filtering state when we change the mag filter to WINED3DTEXF_ANISOTROPIC (this seems a bit weird, check the documentation to see how it should be switched off. */

dlls/wined3d/device.c

@@ -792,8 +792,10 @@ static HRESULT  WINAPI IWineD3DDeviceImpl_CreateTexture(IWineD3DDevice *iface, U
 
     if(glDesc->Flags & WINED3DFMT_FLAG_FILTERING) {
         object->baseTexture.minMipLookup = &minMipLookup;
+        object->baseTexture.magLookup    = &magLookup;
     } else {
         object->baseTexture.minMipLookup = &minMipLookup_noFilter;
+        object->baseTexture.magLookup    = &magLookup_noFilter;
     }
 
     /** Non-power2 support **/
@@ -942,8 +944,10 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreateVolumeTexture(IWineD3DDevice *ifa
 
     if(glDesc->Flags & WINED3DFMT_FLAG_FILTERING) {
         object->baseTexture.minMipLookup = &minMipLookup;
+        object->baseTexture.magLookup    = &magLookup;
     } else {
         object->baseTexture.minMipLookup = &minMipLookup_noFilter;
+        object->baseTexture.magLookup    = &magLookup_noFilter;
     }
 
     /* Calculate levels for mip mapping */
@@ -1095,8 +1099,10 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreateCubeTexture(IWineD3DDevice *iface
 
     if(glDesc->Flags & WINED3DFMT_FLAG_FILTERING) {
         object->baseTexture.minMipLookup = &minMipLookup;
+        object->baseTexture.magLookup    = &magLookup;
     } else {
         object->baseTexture.minMipLookup = &minMipLookup_noFilter;
+        object->baseTexture.magLookup    = &magLookup_noFilter;
     }
 
     /* Calculate levels for mip mapping */

dlls/wined3d/directx.c

@@ -163,6 +163,9 @@ DWORD minMipLookup_noFilter[WINED3DTEXF_ANISOTROPIC + 1][WINED3DTEXF_LINEAR + 1]
 };
 
 DWORD magLookup[WINED3DTEXF_ANISOTROPIC + 1];
+DWORD magLookup_noFilter[WINED3DTEXF_ANISOTROPIC + 1] = {
+    GL_NEAREST, GL_NEAREST, GL_NEAREST, GL_NEAREST
+};
 
 /* drawStridedSlow attributes */
 glAttribFunc position_funcs[WINED3DDECLTYPE_UNUSED];

dlls/wined3d/wined3d_private.h

@@ -113,6 +113,7 @@ extern DWORD *stateLookup[MAX_LOOKUPS];
 
 typedef DWORD magLookup_t[WINED3DTEXF_ANISOTROPIC + 1];
 extern magLookup_t magLookup;
+extern magLookup_t magLookup_noFilter;
 
 typedef DWORD minMipLookup_t[WINED3DTEXF_ANISOTROPIC + 1][WINED3DTEXF_LINEAR + 1];
 extern minMipLookup_t minMipLookup;
@@ -1095,6 +1096,7 @@ typedef struct IWineD3DBaseTextureClass
     WINED3DFORMAT           shader_conversion_group;
     float                   pow2Matrix[16];
     minMipLookup_t          *minMipLookup;
+    magLookup_t             *magLookup;
 } IWineD3DBaseTextureClass;
 
 typedef struct IWineD3DBaseTextureImpl