d2d1: Implement d2d_d3d_render_target_CreateLayer().

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/d2d1/Makefile.in

@@ -11,6 +11,7 @@ C_SRCS = \
 	factory.c \
 	geometry.c \
 	hwnd_render_target.c \
+	layer.c \
 	mesh.c \
 	render_target.c \
 	state_block.c \

dlls/d2d1/d2d1_private.h

@@ -236,6 +236,16 @@ struct d2d_stroke_style
 HRESULT d2d_stroke_style_init(struct d2d_stroke_style *style, ID2D1Factory *factory,
         const D2D1_STROKE_STYLE_PROPERTIES *desc, const float *dashes, UINT32 dash_count) DECLSPEC_HIDDEN;
 
+struct d2d_layer
+{
+    ID2D1Layer ID2D1Layer_iface;
+    LONG refcount;
+
+    ID2D1Factory *factory;
+};
+
+HRESULT d2d_layer_create(ID2D1Factory *factory, struct d2d_layer **layer) DECLSPEC_HIDDEN;
+
 struct d2d_mesh
 {
     ID2D1Mesh ID2D1Mesh_iface;

dlls/d2d1/layer.c

@@ -0,0 +1,115 @@
+/*
+ * Copyright 2017 Henri Verbeet for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include "config.h"
+#include "wine/port.h"
+
+#include "d2d1_private.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(d2d);
+
+static inline struct d2d_layer *impl_from_ID2D1Layer(ID2D1Layer *iface)
+{
+    return CONTAINING_RECORD(iface, struct d2d_layer, ID2D1Layer_iface);
+}
+
+static HRESULT STDMETHODCALLTYPE d2d_layer_QueryInterface(ID2D1Layer *iface, REFIID iid, void **out)
+{
+    TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
+
+    if (IsEqualGUID(iid, &IID_ID2D1Layer)
+            || IsEqualGUID(iid, &IID_ID2D1Resource)
+            || IsEqualGUID(iid, &IID_IUnknown))
+    {
+        ID2D1Layer_AddRef(iface);
+        *out = iface;
+        return S_OK;
+    }
+
+    WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
+
+    *out = NULL;
+    return E_NOINTERFACE;
+}
+
+static ULONG STDMETHODCALLTYPE d2d_layer_AddRef(ID2D1Layer *iface)
+{
+    struct d2d_layer *layer = impl_from_ID2D1Layer(iface);
+    ULONG refcount = InterlockedIncrement(&layer->refcount);
+
+    TRACE("%p increasing refcount to %u.\n", iface, refcount);
+
+    return refcount;
+}
+
+static ULONG STDMETHODCALLTYPE d2d_layer_Release(ID2D1Layer *iface)
+{
+    struct d2d_layer *layer = impl_from_ID2D1Layer(iface);
+    ULONG refcount = InterlockedDecrement(&layer->refcount);
+
+    TRACE("%p decreasing refcount to %u.\n", iface, refcount);
+
+    if (!refcount)
+    {
+        ID2D1Factory_Release(layer->factory);
+        HeapFree(GetProcessHeap(), 0, layer);
+    }
+
+    return refcount;
+}
+
+static void STDMETHODCALLTYPE d2d_layer_GetFactory(ID2D1Layer *iface, ID2D1Factory **factory)
+{
+    struct d2d_layer *layer = impl_from_ID2D1Layer(iface);
+
+    TRACE("iface %p, factory %p.\n", iface, factory);
+
+    ID2D1Factory_AddRef(*factory = layer->factory);
+}
+
+static D2D1_SIZE_F * STDMETHODCALLTYPE d2d_layer_GetSize(ID2D1Layer *iface, D2D1_SIZE_F *size)
+{
+    FIXME("iface %p, size %p stub!\n", iface, size);
+
+    size->width = 0;
+    size->height = 0;
+    return size;
+}
+
+static const struct ID2D1LayerVtbl d2d_layer_vtbl =
+{
+    d2d_layer_QueryInterface,
+    d2d_layer_AddRef,
+    d2d_layer_Release,
+    d2d_layer_GetFactory,
+    d2d_layer_GetSize,
+};
+
+HRESULT d2d_layer_create(ID2D1Factory *factory, struct d2d_layer **layer)
+{
+    if (!(*layer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(**layer))))
+        return E_OUTOFMEMORY;
+
+    (*layer)->ID2D1Layer_iface.lpVtbl = &d2d_layer_vtbl;
+    (*layer)->refcount = 1;
+    ID2D1Factory_AddRef((*layer)->factory = factory);
+
+    TRACE("Created layer %p.\n", *layer);
+
+    return S_OK;
+}

dlls/d2d1/render_target.c

@@ -458,9 +458,16 @@ static HRESULT STDMETHODCALLTYPE d2d_d3d_render_target_CreateCompatibleRenderTar
 static HRESULT STDMETHODCALLTYPE d2d_d3d_render_target_CreateLayer(ID2D1RenderTarget *iface,
         const D2D1_SIZE_F *size, ID2D1Layer **layer)
 {
-    FIXME("iface %p, size %p, layer %p stub!\n", iface, size, layer);
+    struct d2d_d3d_render_target *render_target = impl_from_ID2D1RenderTarget(iface);
+    struct d2d_layer *object;
+    HRESULT hr;
 
-    return E_NOTIMPL;
+    TRACE("iface %p, size %p, layer %p.\n", iface, size, layer);
+
+    if (SUCCEEDED(hr = d2d_layer_create(render_target->factory, &object)))
+        *layer = &object->ID2D1Layer_iface;
+
+    return hr;
 }
 
 static HRESULT STDMETHODCALLTYPE d2d_d3d_render_target_CreateMesh(ID2D1RenderTarget *iface, ID2D1Mesh **mesh)

dlls/d2d1/tests/d2d1.c

@@ -4528,6 +4528,50 @@ todo_wine
     ID2D1Factory_Release(factory);
 }
 
+static void test_layer(void)
+{
+    ID2D1Factory *factory, *layer_factory;
+    IDXGISwapChain *swapchain;
+    ID2D1RenderTarget *rt;
+    ID3D10Device1 *device;
+    IDXGISurface *surface;
+    ID2D1Layer *layer;
+    ULONG refcount;
+    HWND window;
+    HRESULT hr;
+
+    if (!(device = create_device()))
+    {
+        skip("Failed to create device, skipping tests.\n");
+        return;
+    }
+    window = create_window();
+    swapchain = create_swapchain(device, window, TRUE);
+    hr = IDXGISwapChain_GetBuffer(swapchain, 0, &IID_IDXGISurface, (void **)&surface);
+    ok(SUCCEEDED(hr), "Failed to get buffer, hr %#x.\n", hr);
+    rt = create_render_target(surface);
+    ok(!!rt, "Failed to create render target.\n");
+    ID2D1RenderTarget_GetFactory(rt, &factory);
+
+    ID2D1RenderTarget_SetDpi(rt, 192.0f, 48.0f);
+    ID2D1RenderTarget_SetAntialiasMode(rt, D2D1_ANTIALIAS_MODE_ALIASED);
+
+    hr = ID2D1RenderTarget_CreateLayer(rt, NULL, &layer);
+    ok(SUCCEEDED(hr), "Failed to create layer, hr %#x.\n", hr);
+    ID2D1Layer_GetFactory(layer, &layer_factory);
+    ok(layer_factory == factory, "Got unexpected layer factory %p, expected %p.\n", layer_factory, factory);
+    ID2D1Factory_Release(layer_factory);
+    ID2D1Layer_Release(layer);
+
+    ID2D1RenderTarget_Release(rt);
+    refcount = ID2D1Factory_Release(factory);
+    ok(!refcount, "Factory has %u references left.\n", refcount);
+    IDXGISurface_Release(surface);
+    IDXGISwapChain_Release(swapchain);
+    ID3D10Device1_Release(device);
+    DestroyWindow(window);
+}
+
 START_TEST(d2d1)
 {
     test_clip();
@@ -4552,4 +4596,5 @@ START_TEST(d2d1)
     test_gradient();
     test_draw_geometry();
     test_gdi_interop();
+    test_layer();
 }