d3d10core: Implement d3d10_blend_state_GetDesc().

dlls/d3d10core/d3d10core_private.h

@@ -216,9 +216,11 @@ struct d3d10_blend_state
 {
     ID3D10BlendState ID3D10BlendState_iface;
     LONG refcount;
+
+    D3D10_BLEND_DESC desc;
 };
 
-HRESULT d3d10_blend_state_init(struct d3d10_blend_state *state) DECLSPEC_HIDDEN;
+HRESULT d3d10_blend_state_init(struct d3d10_blend_state *state, const D3D10_BLEND_DESC *desc) DECLSPEC_HIDDEN;
 struct d3d10_blend_state *unsafe_impl_from_ID3D10BlendState(ID3D10BlendState *iface) DECLSPEC_HIDDEN;
 
 /* ID3D10DepthStencilState */

dlls/d3d10core/device.c

@@ -1390,6 +1390,9 @@ static HRESULT STDMETHODCALLTYPE d3d10_device_CreateBlendState(ID3D10Device *ifa
 
     TRACE("iface %p, desc %p, blend_state %p.\n", iface, desc, blend_state);
 
+    if (!desc)
+        return E_INVALIDARG;
+
     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
     if (!object)
     {
@@ -1397,8 +1400,7 @@ static HRESULT STDMETHODCALLTYPE d3d10_device_CreateBlendState(ID3D10Device *ifa
         return E_OUTOFMEMORY;
     }
 
-    hr = d3d10_blend_state_init(object);
-    if (FAILED(hr))
+    if (FAILED(hr = d3d10_blend_state_init(object, desc)))
     {
         WARN("Failed to initialize blend state, hr %#x.\n", hr);
         HeapFree(GetProcessHeap(), 0, object);

dlls/d3d10core/state.c

@@ -114,7 +114,11 @@ static HRESULT STDMETHODCALLTYPE d3d10_blend_state_SetPrivateDataInterface(ID3D1
 static void STDMETHODCALLTYPE d3d10_blend_state_GetDesc(ID3D10BlendState *iface,
         D3D10_BLEND_DESC *desc)
 {
-    FIXME("iface %p, desc %p stub!\n", iface, desc);
+    struct d3d10_blend_state *state = impl_from_ID3D10BlendState(iface);
+
+    TRACE("iface %p, desc %p.\n", iface, desc);
+
+    *desc = state->desc;
 }
 
 static const struct ID3D10BlendStateVtbl d3d10_blend_state_vtbl =
@@ -132,10 +136,11 @@ static const struct ID3D10BlendStateVtbl d3d10_blend_state_vtbl =
     d3d10_blend_state_GetDesc,
 };
 
-HRESULT d3d10_blend_state_init(struct d3d10_blend_state *state)
+HRESULT d3d10_blend_state_init(struct d3d10_blend_state *state, const D3D10_BLEND_DESC *desc)
 {
     state->ID3D10BlendState_iface.lpVtbl = &d3d10_blend_state_vtbl;
     state->refcount = 1;
+    state->desc = *desc;
 
     return S_OK;
 }