From 0d2914bbe8eb57b6c18528420c5ef25f1fda31f1 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Thu, 30 Jul 2020 01:58:08 +0200
Subject: [PATCH] Display thumbnail of current frame image in connection popup.

---
 server/TracyView.cpp | 23 +++++++++++++++++++++++
 server/TracyView.hpp |  3 +++
 2 files changed, 26 insertions(+)

diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index 35845ae2..dbb5c2af 100644
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -1115,6 +1115,29 @@ bool View::DrawConnection()
         }
     }
 
+    const auto& fis = m_worker.GetFrameImages();
+    if( !fis.empty() )
+    {
+        const auto scale = ImGui::GetTextLineHeight() / 15.f * 0.5f;
+        const auto& fi = fis.back();
+        if( fi != m_frameTextureConnPtr )
+        {
+            if( !m_frameTextureConn ) m_frameTextureConn = MakeTexture();
+            UpdateTexture( m_frameTextureConn, m_worker.UnpackFrameImage( *fi ), fi->w, fi->h );
+            m_frameTextureConnPtr = fi;
+        }
+        ImGui::Separator();
+        if( fi->flip )
+        {
+            ImGui::Image( m_frameTextureConn, ImVec2( fi->w * scale, fi->h * scale ), ImVec2( 0, 1 ), ImVec2( 1, 0 ) );
+        }
+        else
+        {
+            ImGui::Image( m_frameTextureConn, ImVec2( fi->w * scale, fi->h * scale ) );
+        }
+    }
+
+    ImGui::Separator();
     if( ImGui::Button( ICON_FA_SAVE " Save trace" ) && m_saveThreadState.load( std::memory_order_relaxed ) == SaveThreadState::Inert )
     {
 #ifndef TRACY_NO_FILESELECTOR
diff --git a/server/TracyView.hpp b/server/TracyView.hpp
index 2290335a..8febe3bc 100644
--- a/server/TracyView.hpp
+++ b/server/TracyView.hpp
@@ -454,6 +454,9 @@ private:
     void* m_frameTexture = nullptr;
     const void* m_frameTexturePtr = nullptr;
 
+    void* m_frameTextureConn = nullptr;
+    const void* m_frameTextureConnPtr = nullptr;
+
     std::vector<std::unique_ptr<Annotation>> m_annotations;
     UserData m_userData;