From c1a1ff3915bb8704878d3507ce59090beefb3005 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Wed, 21 Mar 2018 04:58:31 +0100
Subject: [PATCH] [d3d11] Implement remaining D3D11.1 feature queries

---
 src/d3d11/d3d11_device.cpp | 24 +++++++++++++++++++++++-
 src/d3d11/d3d11_include.h  |  7 +++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/src/d3d11/d3d11_device.cpp b/src/d3d11/d3d11_device.cpp
index 6859723f8..bd6fddc74 100644
--- a/src/d3d11/d3d11_device.cpp
+++ b/src/d3d11/d3d11_device.cpp
@@ -1364,6 +1364,9 @@ namespace dxvk {
         if (FeatureSupportDataSize != sizeof(D3D11_FEATURE_DATA_THREADING))
           return E_INVALIDARG;
         
+        // We report native support for command lists here so that we do not actually
+        // have to re-implement the UpdateSubresource bug from the D3D11 runtime, see
+        // https://msdn.microsoft.com/en-us/library/windows/desktop/ff476486(v=vs.85).aspx)
         auto info = static_cast<D3D11_FEATURE_DATA_THREADING*>(pFeatureSupportData);
         info->DriverConcurrentCreates = TRUE;
         info->DriverCommandLists      = TRUE;
@@ -1421,8 +1424,27 @@ namespace dxvk {
           return E_INVALIDARG;
 
         auto info = static_cast<D3D11_FEATURE_DATA_ARCHITECTURE_INFO*>(pFeatureSupportData);
-        info->TileBasedDeferredRenderer = false;
+        info->TileBasedDeferredRenderer = FALSE;
       } return S_OK;
+      
+      case D3D11_FEATURE_SHADER_MIN_PRECISION_SUPPORT: {
+        if (FeatureSupportDataSize != sizeof(D3D11_FEATURE_DATA_SHADER_MIN_PRECISION_SUPPORT))
+          return E_INVALIDARG;
+        
+        // Report that we only support full 32-bit operations
+        auto info = static_cast<D3D11_FEATURE_DATA_SHADER_MIN_PRECISION_SUPPORT*>(pFeatureSupportData);
+        info->PixelShaderMinPrecision          = 0;
+        info->AllOtherShaderStagesMinPrecision = 0;
+      } return S_OK;
+      
+      case D3D11_FEATURE_D3D9_SHADOW_SUPPORT: {
+        if (FeatureSupportDataSize != sizeof(D3D11_FEATURE_DATA_D3D9_SHADOW_SUPPORT))
+          return E_INVALIDARG;
+        
+        auto info = static_cast<D3D11_FEATURE_DATA_D3D9_SHADOW_SUPPORT*>(pFeatureSupportData);
+        info->SupportsDepthAsTextureWithLessEqualComparisonFilter = TRUE;
+        return S_OK;
+      } break;
 
       default:
         Logger::err(str::format(
diff --git a/src/d3d11/d3d11_include.h b/src/d3d11/d3d11_include.h
index 3937df5a9..b173220d0 100644
--- a/src/d3d11/d3d11_include.h
+++ b/src/d3d11/d3d11_include.h
@@ -63,4 +63,11 @@ typedef struct D3D11_QUERY_DATA_PIPELINE_STATISTICS {
 typedef struct D3D11_FEATURE_DATA_ARCHITECTURE_INFO {
   BOOL TileBasedDeferredRenderer;
 } D3D11_FEATURE_DATA_ARCHITECTURE_INFO;
+typedef struct D3D11_FEATURE_DATA_SHADER_MIN_PRECISION_SUPPORT {
+  UINT PixelShaderMinPrecision;
+  UINT AllOtherShaderStagesMinPrecision;
+} D3D11_FEATURE_DATA_SHADER_MIN_PRECISION_SUPPORT;
+typedef struct D3D11_FEATURE_DATA_D3D9_SHADOW_SUPPORT {
+  BOOL SupportsDepthAsTextureWithLessEqualComparisonFilter;
+} D3D11_FEATURE_DATA_D3D9_SHADOW_SUPPORT;
 #endif
\ No newline at end of file