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wined3d: Only use a single allocation for each struct private_data.

This commit is contained in:
Henri Verbeet 2014-03-13 12:51:15 +01:00 committed by Alexandre Julliard
parent 3679619909
commit 64dd435e2a
1 changed files with 16 additions and 34 deletions
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48
dlls/wined3d/resource.c
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@ -33,14 +33,12 @@ struct private_data
GUID tag;
DWORD flags; /* DDSPD_* */
DWORD size;
union
{
void *data;
BYTE data[1];
IUnknown *object;
} ptr;
DWORD size;
};
static DWORD resource_access_from_pool(enum wined3d_pool pool)
@ -207,40 +205,32 @@ HRESULT CDECL wined3d_resource_set_private_data(struct wined3d_resource *resourc
const void *data, DWORD data_size, DWORD flags)
{
struct private_data *d;
const void *ptr = data;
TRACE("resource %p, riid %s, data %p, data_size %u, flags %#x.\n",
resource, debugstr_guid(guid), data, data_size, flags);
if (flags & WINED3DSPD_IUNKNOWN && data_size != sizeof(IUnknown *))
if (flags & WINED3DSPD_IUNKNOWN)
{
if (data_size != sizeof(IUnknown *))
{
WARN("IUnknown data with size %u, returning WINED3DERR_INVALIDCALL.\n", data_size);
return WINED3DERR_INVALIDCALL;
}
ptr = &data;
}
d = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*d));
if (!d) return E_OUTOFMEMORY;
if (!(d = HeapAlloc(GetProcessHeap(), 0, FIELD_OFFSET(struct private_data, ptr.data[data_size]))))
return E_OUTOFMEMORY;
wined3d_resource_free_private_data(resource, guid);
d->tag = *guid;
d->flags = flags;
if (flags & WINED3DSPD_IUNKNOWN)
{
d->ptr.object = (IUnknown *)data;
d->size = sizeof(IUnknown *);
IUnknown_AddRef(d->ptr.object);
}
else
{
d->ptr.data = HeapAlloc(GetProcessHeap(), 0, data_size);
if (!d->ptr.data)
{
HeapFree(GetProcessHeap(), 0, d);
return E_OUTOFMEMORY;
}
d->size = data_size;
memcpy(d->ptr.data, data, data_size);
}
wined3d_resource_free_private_data(resource, guid);
memcpy(d->ptr.data, ptr, data_size);
if (flags & WINED3DSPD_IUNKNOWN)
IUnknown_AddRef(d->ptr.object);
list_add_tail(&resource->privateData, &d->entry);
return WINED3D_OK;
@ -294,16 +284,8 @@ HRESULT CDECL wined3d_resource_free_private_data(struct wined3d_resource *resour
if (!data) return WINED3DERR_NOTFOUND;
if (data->flags & WINED3DSPD_IUNKNOWN)
{
if (data->ptr.object)
IUnknown_Release(data->ptr.object);
}
else
{
HeapFree(GetProcessHeap(), 0, data->ptr.data);
}
list_remove(&data->entry);
HeapFree(GetProcessHeap(), 0, data);
return WINED3D_OK;