From 4aaa3512258c343e61a4f7afa54485089234e1ce Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Mon, 29 Jan 2018 17:04:07 +0100
Subject: [PATCH] [d3d11] Fixed query-related logging

Log messages in GetData did not take into account that
writing back data is actually optional.
---
 src/d3d11/d3d11_context.cpp | 4 ++--
 src/d3d11/d3d11_query.cpp   | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/d3d11/d3d11_context.cpp b/src/d3d11/d3d11_context.cpp
index d79bcf27..bdbd6ab1 100644
--- a/src/d3d11/d3d11_context.cpp
+++ b/src/d3d11/d3d11_context.cpp
@@ -164,8 +164,8 @@ namespace dxvk {
           void*                             pData,
           UINT                              DataSize,
           UINT                              GetDataFlags) {
-    if (pAsync->GetDataSize() != DataSize) {
-      Logger::err("D3D11DeviceContext: GetData: Data size mismatch");
+    if (pData != nullptr && pAsync->GetDataSize() != DataSize) {
+      Logger::err(str::format("D3D11DeviceContext: GetData: Data size mismatch: ", pAsync->GetDataSize(), ",", DataSize));
       return E_INVALIDARG;
     }
     
diff --git a/src/d3d11/d3d11_query.cpp b/src/d3d11/d3d11_query.cpp
index eebfbf63..7f08fbdb 100644
--- a/src/d3d11/d3d11_query.cpp
+++ b/src/d3d11/d3d11_query.cpp
@@ -16,7 +16,9 @@ namespace dxvk {
         break;
 
       default:
-        Logger::warn(str::format("D3D11Query: Unsupported query type ", desc.Query));
+        static bool errorShown = false;
+        if (!std::exchange(errorShown, true))
+          Logger::warn(str::format("D3D11Query: Unsupported query type ", desc.Query));
     }
   }