[PATCH 1/2] d3d11: Advertise support for shader model 4 compute shaders if compute shaders are supported.

[Henri Verbeet]

I.e., if we support shader model 5 compute shaders for feature level 11.0, we
also support shader model 4 compute shaders for feature level 10.x.

Signed-off-by: Henri Verbeet 
---
 dlls/d3d11/device.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/dlls/d3d11/device.c b/dlls/d3d11/device.c
index 87bdd594d812..b0041c858816 100644
--- a/dlls/d3d11/device.c
+++ b/dlls/d3d11/device.c
@@ -3779,7 +3779,17 @@ static HRESULT STDMETHODCALLTYPE d3d11_device_CheckFeatureSupport(ID3D11Device2
                 return E_INVALIDARG;
             }

-            options->ComputeShaders_Plus_RawAndStructuredBuffers_Via_Shader_4_x = FALSE;
+            wined3d_mutex_lock();
+            hr = wined3d_device_get_device_caps(device->wined3d_device, &wined3d_caps);
+            wined3d_mutex_unlock();
+            if (FAILED(hr))
+            {
+                WARN("Failed to get device caps, hr %#x.\n", hr);
+                return hr;
+            }
+
+            options->ComputeShaders_Plus_RawAndStructuredBuffers_Via_Shader_4_x
+                    = wined3d_caps.max_feature_level >= WINED3D_FEATURE_LEVEL_11;
             return S_OK;
         }