From 31b6ea58f5d832f5b6a63b0b291436ab6149009e Mon Sep 17 00:00:00 2001
From: Chuck Walbourn <chuckw@microsoft.com>
Date: Wed, 6 Nov 2024 12:51:09 -0800
Subject: [PATCH] Extra check for a null pointer

---
 DirectXTex/DirectXTexCompressGPU.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/DirectXTex/DirectXTexCompressGPU.cpp b/DirectXTex/DirectXTexCompressGPU.cpp
index 69195562..fcbf6a3d 100644
--- a/DirectXTex/DirectXTexCompressGPU.cpp
+++ b/DirectXTex/DirectXTexCompressGPU.cpp
@@ -261,6 +261,9 @@ HRESULT DirectX::CompressEx(
         || IsTypeless(srcImage.format) || IsPlanar(srcImage.format) || IsPalettized(srcImage.format))
         return HRESULT_E_NOT_SUPPORTED;
 
+    if (!srcImage.pixels)
+        return E_POINTER;
+
     // Setup GPU compressor
     std::unique_ptr<GPUCompressBC> gpubc(new (std::nothrow) GPUCompressBC);
     if (!gpubc)