[PATCH 1/2] dxcore: Add support for DriverDescription property.

[Nikolay Sivov]

From: Nikolay Sivov

Signed-off-by: Nikolay Sivov 
---
 dlls/dxcore/dxcore.c       | 47 ++++++++++++++++++++++++++------------
 dlls/dxcore/tests/dxcore.c | 22 ++++++++++++++++++
 2 files changed, 55 insertions(+), 14 deletions(-)

diff --git a/dlls/dxcore/dxcore.c b/dlls/dxcore/dxcore.c
index 83f9f33a5d4..37a85ac65f0 100644
--- a/dlls/dxcore/dxcore.c
+++ b/dlls/dxcore/dxcore.c
@@ -35,6 +35,7 @@ struct dxcore_adapter
     LONG refcount;

struct wined3d_adapter_identifier identifier;
+    char driver_description[128];
 };

static inline struct dxcore_adapter *impl_from_IDXCoreAdapter(IDXCoreAdapter *iface)
@@ -119,6 +120,9 @@ static HRESULT dxcore_adapter_get_property_size(struct dxcore_adapter *adapter,
         case IsHardware:
             *size = property_sizes[property];
             return S_OK;
+        case DriverDescription:
+            *size = strlen(adapter->driver_description) + 1;
+            return S_OK;

default:
             FIXME("Property %u not implemented.\n", property);
@@ -141,6 +145,9 @@ static HRESULT STDMETHODCALLTYPE dxcore_adapter_GetProperty(IDXCoreAdapter *ifac
     if (FAILED(hr = dxcore_adapter_get_property_size(adapter, property, &size)))
         return hr;

+    if (property == DriverDescription && buffer)
+        *(char *)buffer = 0;
+
     if (buffer_size < size)
         return E_INVALIDARG;

@@ -166,6 +173,12 @@ static HRESULT STDMETHODCALLTYPE dxcore_adapter_GetProperty(IDXCoreAdapter *ifac
             *(BYTE *)buffer = 1;
             break;

+        case DriverDescription:
+        {
+            memcpy(buffer, adapter->identifier.description, size);
+            break;
+        }
+
         default:
             break;
     }
@@ -430,17 +443,25 @@ static ULONG STDMETHODCALLTYPE dxcore_adapter_factory_Release(IDXCoreAdapterFact
     return refcount;
 }

-static HRESULT dxcore_adapter_create(const struct wined3d_adapter_identifier *adapter_id,
+static HRESULT dxcore_adapter_create(const struct wined3d_adapter *wined3d_adapter,
         struct dxcore_adapter **ret_adapter)
 {
     struct dxcore_adapter *adapter;
+    HRESULT hr;

if (!(adapter = calloc(1, sizeof(*adapter))))
         return E_OUTOFMEMORY;

adapter->IDXCoreAdapter_iface.lpVtbl = &dxcore_adapter_vtbl;
     adapter->refcount = 1;
-    adapter->identifier = *adapter_id;
+
+    adapter->identifier.description_size = sizeof(adapter->driver_description);
+    adapter->identifier.description = adapter->driver_description;
+    if (FAILED(hr = wined3d_adapter_get_identifier(wined3d_adapter, 0, &adapter->identifier)))
+    {
+        free(adapter);
+        return hr;
+    }

TRACE("Created adapter %p.\n", adapter);
     *ret_adapter = adapter;
@@ -466,12 +487,7 @@ static HRESULT get_adapters(struct dxcore_adapter_list *list)

for (UINT i = 0; i < list->adapter_count; i++)
     {
-        struct wined3d_adapter_identifier adapter_id = {0};
-
-        if (FAILED(hr = wined3d_adapter_get_identifier(wined3d_get_adapter(wined3d, i), 0, &adapter_id)))
-            goto done;
-
-        if (FAILED(hr = dxcore_adapter_create(&adapter_id, &list->adapters[i])))
+        if (FAILED(hr = dxcore_adapter_create(wined3d_get_adapter(wined3d, i), &list->adapters[i])))
             goto done;
     }

@@ -531,18 +547,21 @@ static HRESULT STDMETHODCALLTYPE dxcore_adapter_factory_GetAdapterByLuid(IDXCore
     for (uint32_t i = 0; i < count; ++i)
     {
         struct wined3d_adapter_identifier adapter_id = {0};
+        struct wined3d_adapter *wined3d_adapter;

-        wined3d_adapter_get_identifier(wined3d_get_adapter(wined3d, i), 0, &adapter_id);
+        wined3d_adapter = wined3d_get_adapter(wined3d, i);
+        wined3d_adapter_get_identifier(wined3d_adapter, 0, &adapter_id);

if (!memcmp(adapter_luid, &adapter_id.adapter_luid, sizeof(LUID)))
         {
+            hr = dxcore_adapter_create(wined3d_adapter, &adapter);
             wined3d_decref(wined3d);

-            if (FAILED(hr = dxcore_adapter_create(&adapter_id, &adapter)))
-                return hr;
-
-            hr = IDXCoreAdapter_QueryInterface(&adapter->IDXCoreAdapter_iface, riid, out);
-            IDXCoreAdapter_Release(&adapter->IDXCoreAdapter_iface);
+            if (SUCCEEDED(hr))
+            {
+                hr = IDXCoreAdapter_QueryInterface(&adapter->IDXCoreAdapter_iface, riid, out);
+                IDXCoreAdapter_Release(&adapter->IDXCoreAdapter_iface);
+            }
             return hr;
         }
     }
diff --git a/dlls/dxcore/tests/dxcore.c b/dlls/dxcore/tests/dxcore.c
index 018c86cf3ec..cb29ea247e6 100644
--- a/dlls/dxcore/tests/dxcore.c
+++ b/dlls/dxcore/tests/dxcore.c
@@ -159,6 +159,7 @@ static void test_GetProperty(void)
     LUID luid[2];
     size_t size;
     HRESULT hr;
+    char *str;

if (FAILED(pDXCoreCreateAdapterFactory(&IID_IDXCoreAdapterFactory, (void **)&factory)))
         return;
@@ -250,6 +251,27 @@ static void test_GetProperty(void)
         ok(hr == S_OK, "Got hr %#lx.\n", hr);
         ok(dummy == is_hardware, "Got value %#x.\n", dummy);

+        /* DriverDescription */
+        size = 0;
+        hr = IDXCoreAdapter_GetPropertySize(adapter, DriverDescription, &size);
+        ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+        ok(!!size, "Unexpected property size.\n");
+
+        str = malloc(size);
+
+        hr = IDXCoreAdapter_GetProperty(adapter, DriverDescription, size, str);
+        ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+
+        hr = IDXCoreAdapter_GetProperty(adapter, DriverDescription, size, NULL);
+        ok(hr == E_POINTER, "Unexpected hr %#lx.\n", hr);
+
+        *str = 0x1;
+        hr = IDXCoreAdapter_GetProperty(adapter, DriverDescription, size - 1, str);
+        ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr);
+        ok(!*str, "Unexpected buffer contents %s.\n", wine_dbgstr_a(str));
+
+        free(str);
+
         IDXCoreAdapter_Release(adapter);
     }