From 09cf2cd11ea71cf5b7b443ef4ec9f3f077aafb96 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Tue, 4 May 2021 17:42:41 +0200
Subject: [PATCH] [d3d11] Add ID3D11VideoProcessor stub

---
 src/d3d11/d3d11_device.cpp | 10 +++++++--
 src/d3d11/d3d11_video.cpp  | 45 ++++++++++++++++++++++++++++++++++++++
 src/d3d11/d3d11_video.h    | 30 +++++++++++++++++++++++++
 3 files changed, 83 insertions(+), 2 deletions(-)

diff --git a/src/d3d11/d3d11_device.cpp b/src/d3d11/d3d11_device.cpp
index ebba24bb1..2f8a62b54 100644
--- a/src/d3d11/d3d11_device.cpp
+++ b/src/d3d11/d3d11_device.cpp
@@ -2436,8 +2436,14 @@ namespace dxvk {
           ID3D11VideoProcessorEnumerator*               pEnum,
           UINT                                          RateConversionIndex,
           ID3D11VideoProcessor**                        ppVideoProcessor) {
-    Logger::err("D3D11VideoDevice::CreateVideoProcessor: Stub");
-    return E_NOTIMPL;
+    try {
+      auto enumerator = static_cast<D3D11VideoProcessorEnumerator*>(pEnum);
+      *ppVideoProcessor = ref(new D3D11VideoProcessor(m_device, enumerator, RateConversionIndex));
+      return S_OK;
+    } catch (const DxvkError& e) {
+      Logger::err(e.message());
+      return E_FAIL;
+    }
   }
 
 
diff --git a/src/d3d11/d3d11_video.cpp b/src/d3d11/d3d11_video.cpp
index e523a6075..afd5aaa85 100644
--- a/src/d3d11/d3d11_video.cpp
+++ b/src/d3d11/d3d11_video.cpp
@@ -79,4 +79,49 @@ namespace dxvk {
     return E_NOTIMPL;
   }
 
+
+
+
+  D3D11VideoProcessor::D3D11VideoProcessor(
+          D3D11Device*                    pDevice,
+          D3D11VideoProcessorEnumerator*  pEnumerator,
+          UINT                            RateConversionIndex)
+  : D3D11DeviceChild<ID3D11VideoProcessor>(pDevice),
+    m_enumerator(pEnumerator), m_rateConversionIndex(RateConversionIndex) {
+
+  }
+
+
+  D3D11VideoProcessor::~D3D11VideoProcessor() {
+
+  }
+
+
+  HRESULT STDMETHODCALLTYPE D3D11VideoProcessor::QueryInterface(
+          REFIID                  riid,
+          void**                  ppvObject) {
+    if (riid == __uuidof(IUnknown)
+     || riid == __uuidof(ID3D11DeviceChild)
+     || riid == __uuidof(ID3D11VideoProcessor)) {
+      *ppvObject = ref(this);
+      return S_OK;
+    }
+
+    Logger::warn("D3D11VideoProcessor::QueryInterface: Unknown interface query");
+    Logger::warn(str::format(riid));
+    return E_NOINTERFACE;
+  }
+
+
+  void STDMETHODCALLTYPE D3D11VideoProcessor::GetContentDesc(
+          D3D11_VIDEO_PROCESSOR_CONTENT_DESC *pDesc) {
+    m_enumerator->GetVideoProcessorContentDesc(pDesc);
+  }
+
+
+  void STDMETHODCALLTYPE D3D11VideoProcessor::GetRateConversionCaps(
+          D3D11_VIDEO_PROCESSOR_RATE_CONVERSION_CAPS *pCaps) {
+    m_enumerator->GetVideoProcessorRateConversionCaps(m_rateConversionIndex, pCaps);
+  }
+
 }
diff --git a/src/d3d11/d3d11_video.h b/src/d3d11/d3d11_video.h
index 688d7b8dc..e4f96d918 100644
--- a/src/d3d11/d3d11_video.h
+++ b/src/d3d11/d3d11_video.h
@@ -47,4 +47,34 @@ namespace dxvk {
 
   };
 
+
+
+  class D3D11VideoProcessor : public D3D11DeviceChild<ID3D11VideoProcessor> {
+
+  public:
+
+    D3D11VideoProcessor(
+            D3D11Device*                    pDevice,
+            D3D11VideoProcessorEnumerator*  pEnumerator,
+            UINT                            RateConversionIndex);
+
+    ~D3D11VideoProcessor();
+
+    HRESULT STDMETHODCALLTYPE QueryInterface(
+            REFIID                  riid,
+            void**                  ppvObject);
+
+    void STDMETHODCALLTYPE GetContentDesc(
+            D3D11_VIDEO_PROCESSOR_CONTENT_DESC *pDesc);
+
+    void STDMETHODCALLTYPE GetRateConversionCaps(
+            D3D11_VIDEO_PROCESSOR_RATE_CONVERSION_CAPS *pCaps);
+
+  private:
+
+    D3D11VideoProcessorEnumerator* m_enumerator;
+    uint32_t                       m_rateConversionIndex;
+
+  };
+
 }