From c9655a6749434bb463d615754cbb910c7183c49e Mon Sep 17 00:00:00 2001
From: Egor Yusov <egor.yusov@gmail.com>
Date: Sun, 5 May 2019 10:15:10 -0700
Subject: Added safe check that same PSO is being bound

---
 Graphics/GraphicsEngineVulkan/src/DeviceContextVkImpl.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'Graphics/GraphicsEngineVulkan')

diff --git a/Graphics/GraphicsEngineVulkan/src/DeviceContextVkImpl.cpp b/Graphics/GraphicsEngineVulkan/src/DeviceContextVkImpl.cpp
index 865d4177..583feb6f 100644
--- a/Graphics/GraphicsEngineVulkan/src/DeviceContextVkImpl.cpp
+++ b/Graphics/GraphicsEngineVulkan/src/DeviceContextVkImpl.cpp
@@ -207,16 +207,19 @@ namespace Diligent
     }
 
 
-    void DeviceContextVkImpl::SetPipelineState(IPipelineState *pPipelineState)
+    void DeviceContextVkImpl::SetPipelineState(IPipelineState* pPipelineState)
     {
+        auto* pPipelineStateVk = ValidatedCast<PipelineStateVkImpl>(pPipelineState);
+        if (PipelineStateVkImpl::IsSameObject(m_pPipelineState, pPipelineStateVk))
+            return;
+
         // Never flush deferred context!
         if (!m_bIsDeferred && m_State.NumCommands >= m_NumCommandsToFlush)
         {
             Flush();
         }
 
-        auto* pPipelineStateVk = ValidatedCast<PipelineStateVkImpl>(pPipelineState);
-        const auto& PSODesc = pPipelineStateVk->GetDesc();
+                const auto& PSODesc = pPipelineStateVk->GetDesc();
 
         bool CommitStates = false;
         bool CommitScissor = false;
-- 
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