Józef Kucia : libs/vkd3d: Add simple format support restrictions.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: b0aa4ed434d9cbcb8b4bf1fce96e48914603d186
URL:    https://source.winehq.org/git/vkd3d.git/?a=commit;h=b0aa4ed434d9cbcb8b4bf1fc...

Author: Józef Kucia <jkucia(a)codeweavers.com>
Date:   Wed Jan 17 12:48:08 2018 +0100

libs/vkd3d: Add simple format support restrictions.

In the long term, we may need more complex format support filtering.

Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 libs/vkd3d/device.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/libs/vkd3d/device.c b/libs/vkd3d/device.c
index 5cf2ecf..d84c579 100644
--- a/libs/vkd3d/device.c
+++ b/libs/vkd3d/device.c
@@ -1230,6 +1230,30 @@ static HRESULT STDMETHODCALLTYPE d3d12_device_CreateCommandList(ID3D12Device *if
             &IID_ID3D12GraphicsCommandList, riid, command_list);
 }
 
+/* Direct3D feature levels restrict which formats can be optionally supported. */
+static void vkd3d_restrict_format_support_for_feature_level(
+        D3D12_FEATURE_DATA_FORMAT_SUPPORT *format_support, const struct vkd3d_format *format)
+{
+    static const D3D12_FEATURE_DATA_FORMAT_SUPPORT blacklisted_format_features[] =
+    {
+        {DXGI_FORMAT_B8G8R8A8_TYPELESS, D3D12_FORMAT_SUPPORT1_TYPED_UNORDERED_ACCESS_VIEW,
+                D3D12_FORMAT_SUPPORT2_UAV_TYPED_LOAD | D3D12_FORMAT_SUPPORT2_UAV_TYPED_STORE},
+        {DXGI_FORMAT_B8G8R8A8_UNORM,    D3D12_FORMAT_SUPPORT1_TYPED_UNORDERED_ACCESS_VIEW,
+                D3D12_FORMAT_SUPPORT2_UAV_TYPED_LOAD | D3D12_FORMAT_SUPPORT2_UAV_TYPED_STORE},
+    };
+    unsigned int i;
+
+    for (i = 0; i < ARRAY_SIZE(blacklisted_format_features); ++i)
+    {
+        if (blacklisted_format_features[i].Format == format->dxgi_format)
+        {
+            format_support->Support1 &= ~blacklisted_format_features[i].Support1;
+            format_support->Support2 &= ~blacklisted_format_features[i].Support2;
+            break;
+        }
+    }
+}
+
 static HRESULT STDMETHODCALLTYPE d3d12_device_CheckFeatureSupport(ID3D12Device *iface,
         D3D12_FEATURE feature, void *feature_data, UINT feature_data_size)
 {
@@ -1378,6 +1402,8 @@ static HRESULT STDMETHODCALLTYPE d3d12_device_CheckFeatureSupport(ID3D12Device *
                         | D3D12_FORMAT_SUPPORT2_UAV_ATOMIC_SIGNED_MIN_OR_MAX
                         | D3D12_FORMAT_SUPPORT2_UAV_ATOMIC_UNSIGNED_MIN_OR_MAX;
 
+            vkd3d_restrict_format_support_for_feature_level(data, format);
+
             return S_OK;
         }