From 3c1755eba71064ee0331f39b8e1ac9851b778da7 Mon Sep 17 00:00:00 2001
From: assiduous <assiduous@diligentgraphics.com>
Date: Sun, 12 Nov 2023 14:36:43 -0800
Subject: [PATCH] TextureBaseGL::CopyData: fixed issue with binding texture to
 0 target

---
 Graphics/GraphicsEngineOpenGL/src/GLContextState.cpp | 2 ++
 Graphics/GraphicsEngineOpenGL/src/TextureBaseGL.cpp  | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Graphics/GraphicsEngineOpenGL/src/GLContextState.cpp b/Graphics/GraphicsEngineOpenGL/src/GLContextState.cpp
index f210f0d70..30a7bd96a 100644
--- a/Graphics/GraphicsEngineOpenGL/src/GLContextState.cpp
+++ b/Graphics/GraphicsEngineOpenGL/src/GLContextState.cpp
@@ -213,6 +213,8 @@ void GLContextState::SetActiveTexture(Int32 Index)
 
 void GLContextState::BindTexture(Int32 Index, GLenum BindTarget, const GLObjectWrappers::GLTextureObj& TexObj)
 {
+    VERIFY_EXPR(BindTarget != 0);
+
     if (Index < 0)
     {
         Index += m_Caps.MaxCombinedTexUnits;
diff --git a/Graphics/GraphicsEngineOpenGL/src/TextureBaseGL.cpp b/Graphics/GraphicsEngineOpenGL/src/TextureBaseGL.cpp
index b064afd01..1f96c17b7 100644
--- a/Graphics/GraphicsEngineOpenGL/src/TextureBaseGL.cpp
+++ b/Graphics/GraphicsEngineOpenGL/src/TextureBaseGL.cpp
@@ -728,7 +728,9 @@ void TextureBaseGL::CopyData(DeviceContextGLImpl* pDeviceCtxGL,
         // Invalidate FBO as we used glBindFramebuffer directly
         GLState.InvalidateFBO();
 
-        GLState.BindTexture(-1, GetBindTarget(), GLObjectWrappers::GLTextureObj::Null());
+        if (!UseBlitFramebuffer)
+            GLState.BindTexture(-1, GetBindTarget(), GLObjectWrappers::GLTextureObj::Null());
+
         pDeviceCtxGL->CommitRenderTargets();
     }
 }