From df6a316b684e2f2214e0b987f735c3e20a1d3418 Mon Sep 17 00:00:00 2001
From: assiduous <assiduous@diligentgraphics.com>
Date: Wed, 25 Dec 2019 15:11:48 -0800
Subject: Added ScreenCapture::HasCapture method

---
 Graphics/GraphicsTools/include/ScreenCapture.h |  1 +
 Graphics/GraphicsTools/src/ScreenCapture.cpp   | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

(limited to 'Graphics/GraphicsTools')

diff --git a/Graphics/GraphicsTools/include/ScreenCapture.h b/Graphics/GraphicsTools/include/ScreenCapture.h
index b49eedab..019bfa2a 100644
--- a/Graphics/GraphicsTools/include/ScreenCapture.h
+++ b/Graphics/GraphicsTools/include/ScreenCapture.h
@@ -54,6 +54,7 @@ public:
     };
 
     CaptureInfo GetCapture();
+    bool        HasCapture();
 
     void RecycleStagingTexture(RefCntAutoPtr<ITexture>&& pTexture);
 
diff --git a/Graphics/GraphicsTools/src/ScreenCapture.cpp b/Graphics/GraphicsTools/src/ScreenCapture.cpp
index bcd87495..10455531 100644
--- a/Graphics/GraphicsTools/src/ScreenCapture.cpp
+++ b/Graphics/GraphicsTools/src/ScreenCapture.cpp
@@ -104,6 +104,21 @@ ScreenCapture::CaptureInfo ScreenCapture::GetCapture()
     return Capture;
 }
 
+bool ScreenCapture::HasCapture()
+{
+    std::lock_guard<std::mutex> Lock{m_PendingTexturesMtx};
+    if (!m_PendingTextures.empty())
+    {
+        const auto& OldestCapture       = m_PendingTextures.front();
+        auto        CompletedFenceValue = m_pFence->GetCompletedValue();
+        return OldestCapture.Fence <= CompletedFenceValue;
+    }
+    else
+    {
+        return false;
+    }
+}
+
 void ScreenCapture::RecycleStagingTexture(RefCntAutoPtr<ITexture>&& pTexture)
 {
     std::lock_guard<std::mutex> Lock{m_AvailableTexturesMtx};
-- 
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