Conor McCarthy : vkd3d: Implement support for D3D12_FEATURE_SHADER_CACHE.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 16882d1a5012c15eadf121c329be67c3671a1268
URL:    https://source.winehq.org/git/vkd3d.git/?a=commit;h=16882d1a5012c15eadf121c329be67c3671a1268

Author: Conor McCarthy <conor.mccarthy.444 at gmail.com>
Date:   Fri May 22 16:45:17 2020 +0430

vkd3d: Implement support for D3D12_FEATURE_SHADER_CACHE.

Signed-off-by: Conor McCarthy <conor.mccarthy.444 at gmail.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 include/vkd3d_d3d12.idl | 14 ++++++++++++++
 libs/vkd3d/device.c     | 20 ++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/include/vkd3d_d3d12.idl b/include/vkd3d_d3d12.idl
index 01d104f..d48a42b 100644
--- a/include/vkd3d_d3d12.idl
+++ b/include/vkd3d_d3d12.idl
@@ -191,6 +191,15 @@ typedef enum D3D12_PROGRAMMABLE_SAMPLE_POSITIONS_TIER
     D3D12_PROGRAMMABLE_SAMPLE_POSITIONS_TIER_2 = 0x2,
 }  D3D12_PROGRAMMABLE_SAMPLE_POSITIONS_TIER;
 
+typedef enum D3D12_SHADER_CACHE_SUPPORT_FLAGS
+{
+    D3D12_SHADER_CACHE_SUPPORT_NONE = 0x0,
+    D3D12_SHADER_CACHE_SUPPORT_SINGLE_PSO = 0x1,
+    D3D12_SHADER_CACHE_SUPPORT_LIBRARY = 0x2,
+    D3D12_SHADER_CACHE_SUPPORT_AUTOMATIC_INPROC_CACHE = 0x4,
+    D3D12_SHADER_CACHE_SUPPORT_AUTOMATIC_DISK_CACHE = 0x8,
+}  D3D12_SHADER_CACHE_SUPPORT_FLAGS;
+
 interface ID3D12Fence;
 interface ID3D12RootSignature;
 interface ID3D12Heap;
@@ -1647,6 +1656,11 @@ typedef struct D3D12_FEATURE_DATA_D3D12_OPTIONS2
     D3D12_PROGRAMMABLE_SAMPLE_POSITIONS_TIER ProgrammableSamplePositionsTier;
 }  D3D12_FEATURE_DATA_D3D12_OPTIONS2;
 
+typedef struct D3D12_FEATURE_DATA_SHADER_CACHE
+{
+    D3D12_SHADER_CACHE_SUPPORT_FLAGS SupportFlags;
+}  D3D12_FEATURE_DATA_SHADER_CACHE;
+
 typedef enum D3D12_FEATURE
 {
     D3D12_FEATURE_D3D12_OPTIONS = 0,
diff --git a/libs/vkd3d/device.c b/libs/vkd3d/device.c
index 74b70ce..5edcca3 100644
--- a/libs/vkd3d/device.c
+++ b/libs/vkd3d/device.c
@@ -2768,6 +2768,26 @@ static HRESULT STDMETHODCALLTYPE d3d12_device_CheckFeatureSupport(ID3D12Device *
             return S_OK;
         }
 
+        case D3D12_FEATURE_SHADER_CACHE:
+        {
+            D3D12_FEATURE_DATA_SHADER_CACHE *data = feature_data;
+
+            if (feature_data_size != sizeof(*data))
+            {
+                WARN("Invalid size %u.\n", feature_data_size);
+                return E_INVALIDARG;
+            }
+
+            /* FIXME: The d3d12 documentation states that
+             * D3D12_SHADER_CACHE_SUPPORT_SINGLE_PSO is always supported, but
+             * the CachedPSO field of D3D12_GRAPHICS_PIPELINE_STATE_DESC is
+             * ignored and GetCachedBlob() is a stub. */
+            data->SupportFlags = D3D12_SHADER_CACHE_SUPPORT_NONE;
+
+            TRACE("Shader cache support %#x.\n", data->SupportFlags);
+            return S_OK;
+        }
+
         default:
             FIXME("Unhandled feature %#x.\n", feature);
             return E_NOTIMPL;