[PATCH 3/5] wined3d: Introduce wined3d_adapter_get_output_count().

[Zhiyi Zhang]

Signed-off-by: Zhiyi Zhang <zzhang(a)codeweavers.com>
---
 dlls/dxgi/adapter.c       |  4 +++-
 dlls/wined3d/directx.c    | 12 ++++++++++++
 dlls/wined3d/wined3d.spec |  2 ++
 include/wine/wined3d.h    |  2 ++
 4 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/dlls/dxgi/adapter.c b/dlls/dxgi/adapter.c
index d2fc629c84..477f19f3f4 100644
--- a/dlls/dxgi/adapter.c
+++ b/dlls/dxgi/adapter.c
@@ -124,11 +124,13 @@ static HRESULT STDMETHODCALLTYPE dxgi_adapter_EnumOutputs(IWineDXGIAdapter *ifac
 {
     struct dxgi_adapter *adapter = impl_from_IWineDXGIAdapter(iface);
     struct dxgi_output *output_object;
+    UINT output_count;
     HRESULT hr;
 
     TRACE("iface %p, output_idx %u, output %p.\n", iface, output_idx, output);
 
-    if (output_idx > 0)
+    hr = wined3d_adapter_get_output_count(adapter->factory->wined3d, adapter->ordinal, &output_count);
+    if (FAILED(hr) || output_idx >= output_count)
     {
         *output = NULL;
         return DXGI_ERROR_NOT_FOUND;
diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index e6abd139d0..10bbfa4c54 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -899,6 +899,18 @@ UINT CDECL wined3d_get_output_count(const struct wined3d *wined3d)
     return wined3d->output_count;
 }
 
+HRESULT CDECL wined3d_adapter_get_output_count(const struct wined3d *wined3d, UINT adapter_idx, UINT *count)
+{
+    TRACE("wined3d %p, adapter_idx %u, count %p.\n", wined3d, adapter_idx, count);
+
+    if (adapter_idx >= wined3d->adapter_count)
+        return WINED3DERR_INVALIDCALL;
+
+    *count = wined3d->adapters[adapter_idx]->output_count;
+    TRACE("reporting %u outputs for adapter %u.\n", *count, adapter_idx);
+    return WINED3D_OK;
+}
+
 HRESULT CDECL wined3d_register_software_device(struct wined3d *wined3d, void *init_function)
 {
     FIXME("wined3d %p, init_function %p stub!\n", wined3d, init_function);
diff --git a/dlls/wined3d/wined3d.spec b/dlls/wined3d/wined3d.spec
index 2cd66ec215..7e13e19891 100644
--- a/dlls/wined3d/wined3d.spec
+++ b/dlls/wined3d/wined3d.spec
@@ -26,6 +26,8 @@
 @ cdecl wined3d_set_adapter_display_mode(ptr long ptr)
 @ cdecl wined3d_unregister_windows(ptr)
 
+@ cdecl wined3d_adapter_get_output_count(ptr long ptr)
+
 @ cdecl wined3d_blend_state_create(ptr ptr ptr ptr ptr)
 @ cdecl wined3d_blend_state_decref(ptr)
 @ cdecl wined3d_blend_state_get_parent(ptr)
diff --git a/include/wine/wined3d.h b/include/wine/wined3d.h
index 925d4111d9..f676871b25 100644
--- a/include/wine/wined3d.h
+++ b/include/wine/wined3d.h
@@ -2283,6 +2283,8 @@ HRESULT __cdecl wined3d_set_adapter_display_mode(struct wined3d *wined3d,
         UINT adapter_idx, const struct wined3d_display_mode *mode);
 void __cdecl wined3d_unregister_windows(struct wined3d *wined3d);
 
+HRESULT __cdecl wined3d_adapter_get_output_count(const struct wined3d *wined3d, UINT adapter_idx, UINT *count);
+
 HRESULT __cdecl wined3d_buffer_create(struct wined3d_device *device, const struct wined3d_buffer_desc *desc,
         const struct wined3d_sub_resource_data *data, void *parent, const struct wined3d_parent_ops *parent_ops,
         struct wined3d_buffer **buffer);
-- 
2.20.1