From 022bf1d134d035c5d0efed321400c314a1ad8eb9 Mon Sep 17 00:00:00 2001
From: Alpyne <alpyne.dreams@gmail.com>
Date: Mon, 19 Jun 2023 23:54:48 +0100
Subject: [PATCH] [d3d9] Allow changing API name for d3d8

---
 src/d3d9/d3d9_bridge.cpp    |  4 ++++
 src/d3d9/d3d9_bridge.h      | 10 ++++++++++
 src/d3d9/d3d9_swapchain.cpp | 12 ++++++++++--
 src/d3d9/d3d9_swapchain.h   |  4 ++++
 4 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/src/d3d9/d3d9_bridge.cpp b/src/d3d9/d3d9_bridge.cpp
index d5248e53..88448ba9 100644
--- a/src/d3d9/d3d9_bridge.cpp
+++ b/src/d3d9/d3d9_bridge.cpp
@@ -28,6 +28,10 @@ namespace dxvk {
     return m_device->QueryInterface(riid, ppvObject);
   }
 
+  void DxvkD3D8Bridge::SetAPIName(const char* name) {
+    m_device->m_implicitSwapchain->SetApiName(name);
+  }
+
   HRESULT DxvkD3D8Bridge::UpdateTextureFromBuffer(
         IDirect3DSurface9*  pDestSurface,
         IDirect3DSurface9*  pSrcSurface,
diff --git a/src/d3d9/d3d9_bridge.h b/src/d3d9/d3d9_bridge.h
index 99c53031..f1c12104 100644
--- a/src/d3d9/d3d9_bridge.h
+++ b/src/d3d9/d3d9_bridge.h
@@ -23,6 +23,13 @@ IDxvkD3D8Bridge : public IUnknown {
     using IDirect3DSurface9 = d3d9::IDirect3DSurface9;
   #endif
 
+  /**
+   * \brief Changes the API name displayed on the HUD
+   * 
+   * \param [in] name The new API name 
+   */
+  virtual void SetAPIName(const char* name) = 0;
+
   /**
    * \brief Updates a D3D9 surface from a D3D9 buffer
    * 
@@ -45,6 +52,7 @@ MIDL_INTERFACE("D3D9D3D8-A407-773E-18E9-CAFEBEEF3000")
 IDxvkD3D8InterfaceBridge : public IUnknown {
   /**
    * \brief Retrieves the DXVK configuration
+   * 
    * \returns The DXVK Config object
    */
   virtual const dxvk::Config* GetConfig() const = 0;
@@ -74,6 +82,8 @@ namespace dxvk {
             REFIID  riid,
             void** ppvObject);
 
+    void SetAPIName(const char* name);
+
     HRESULT UpdateTextureFromBuffer(
         IDirect3DSurface9*        pDestSurface,
         IDirect3DSurface9*        pSrcSurface,
diff --git a/src/d3d9/d3d9_swapchain.cpp b/src/d3d9/d3d9_swapchain.cpp
index 90fb35b0..3807af03 100644
--- a/src/d3d9/d3d9_swapchain.cpp
+++ b/src/d3d9/d3d9_swapchain.cpp
@@ -1066,9 +1066,13 @@ namespace dxvk {
   void D3D9SwapChainEx::SyncFrameLatency() {
     // Wait for the sync event so that we respect the maximum frame latency
     m_frameLatencySignal->wait(m_frameId - GetActualFrameLatency());
+  }
+
+  void D3D9SwapChainEx::SetApiName(const char* name) {
+    m_apiName = name;
+    CreateHud();
   }
 
-
   uint32_t D3D9SwapChainEx::GetActualFrameLatency() {
     uint32_t maxFrameLatency = m_parent->GetFrameLatency();
 
@@ -1298,7 +1302,11 @@ namespace dxvk {
 
 
   std::string D3D9SwapChainEx::GetApiName() {
-    return this->GetParent()->IsExtended() ? "D3D9Ex" : "D3D9";
+    if (m_apiName == nullptr) {
+      return this->GetParent()->IsExtended() ? "D3D9Ex" : "D3D9";
+    } else {
+      return m_apiName;
+    }
   }
 
   D3D9VkExtSwapchain::D3D9VkExtSwapchain(D3D9SwapChainEx *pSwapChain)
diff --git a/src/d3d9/d3d9_swapchain.h b/src/d3d9/d3d9_swapchain.h
index 5d925227..662e4664 100644
--- a/src/d3d9/d3d9_swapchain.h
+++ b/src/d3d9/d3d9_swapchain.h
@@ -122,6 +122,8 @@ namespace dxvk {
 
     void DestroyBackBuffers();
 
+    void SetApiName(const char* name);
+
   private:
 
     enum BindingIds : uint32_t {
@@ -167,6 +169,8 @@ namespace dxvk {
 
     double                    m_displayRefreshRate = 0.0;
 
+    const char*               m_apiName  = nullptr;
+
     bool                      m_warnedAboutGDIFallback = false;
 
     VkColorSpaceKHR           m_colorspace = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR;