From 1689cacc47e7b026fc9517f49767c55ac89f2c3b Mon Sep 17 00:00:00 2001
From: WinterSnowfall <WinterSnowfall@users.noreply.github.com>
Date: Sun, 6 Oct 2024 00:59:17 +0300
Subject: [PATCH] [d3d8] Stub ValidatePixelShader and ValidateVertexShader

---
 src/d3d8/d3d8.def      |  3 +++
 src/d3d8/d3d8.sym      |  2 ++
 src/d3d8/d3d8_main.cpp | 41 ++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/src/d3d8/d3d8.def b/src/d3d8/d3d8.def
index 62aca0c9b..8627b3b2b 100644
--- a/src/d3d8/d3d8.def
+++ b/src/d3d8/d3d8.def
@@ -1,3 +1,6 @@
 LIBRARY D3D8.DLL
 EXPORTS
+  ValidatePixelShader @ 2
+  ValidateVertexShader @ 3
+
   Direct3DCreate8 @ 5
diff --git a/src/d3d8/d3d8.sym b/src/d3d8/d3d8.sym
index 357113c3c..33951d0e6 100644
--- a/src/d3d8/d3d8.sym
+++ b/src/d3d8/d3d8.sym
@@ -1,5 +1,7 @@
 {
   global:
+    ValidatePixelShader;
+    ValidateVertexShader;
     Direct3DCreate8;
 
   local:
diff --git a/src/d3d8/d3d8_main.cpp b/src/d3d8/d3d8_main.cpp
index 265a5baab..ce8512b3f 100644
--- a/src/d3d8/d3d8_main.cpp
+++ b/src/d3d8/d3d8_main.cpp
@@ -12,7 +12,45 @@ namespace dxvk {
   }
 }
 
-extern "C" {  
+extern "C" {
+
+  DLLEXPORT HRESULT __stdcall ValidatePixelShader(
+      const DWORD*     pixelshader,
+      const D3DCAPS8*  caps,
+      BOOL             boolValue,
+      char**           errorString) {
+    dxvk::Logger::warn("D3D8: ValidatePixelShader: Stub");
+
+    if (unlikely(pixelshader == nullptr))
+      return E_FAIL;
+
+    if (likely(errorString != nullptr)) {
+      const char* errorMessage = "";
+      *errorString = (char *) errorMessage;
+    }
+
+    return S_OK;
+  }
+
+  DLLEXPORT HRESULT __stdcall ValidateVertexShader(
+      const DWORD*     vertexShader,
+      const DWORD*     vertexDecl,
+      const D3DCAPS8*  caps,
+      BOOL             boolValue,
+      char**           errorString) {
+    dxvk::Logger::warn("D3D8: ValidateVertexShader: Stub");
+
+    if (unlikely(vertexShader == nullptr))
+      return E_FAIL;
+
+    if (likely(errorString != nullptr)) {
+      const char* errorMessage = "";
+      *errorString = (char *) errorMessage;
+    }
+
+    return S_OK;
+  }
+
   DLLEXPORT IDirect3D8* __stdcall Direct3DCreate8(UINT nSDKVersion) {
     dxvk::Logger::trace("Direct3DCreate8 called");
 
@@ -21,4 +59,5 @@ extern "C" {
 
     return pDirect3D;
   }
+
 }