Fix PSO init to release old data on recreation

Source/Engine/GraphicsDevice/DirectX/DX11/GPUPipelineStateDX11.cpp

@@ -31,7 +31,8 @@ bool GPUPipelineStateDX11::IsValid() const
 
 bool GPUPipelineStateDX11::Init(const Description& desc)
 {
-    ASSERT(!IsValid());
+    if (IsValid())
+        OnReleaseGPU();
 
     // Cache shaders
     VS = (GPUShaderProgramVSDX11*)desc.VS;

Source/Engine/GraphicsDevice/DirectX/DX12/GPUPipelineStateDX12.cpp

@@ -135,7 +135,8 @@ void GPUPipelineStateDX12::OnReleaseGPU()
 
 bool GPUPipelineStateDX12::Init(const Description& desc)
 {
-    ASSERT(!IsValid());
+    if (IsValid())
+        OnReleaseGPU();
 
     // Create description
     D3D12_GRAPHICS_PIPELINE_STATE_DESC psDesc;

Source/Engine/GraphicsDevice/Vulkan/GPUPipelineStateVulkan.cpp

@@ -355,7 +355,8 @@ bool GPUPipelineStateVulkan::IsValid() const
 
 bool GPUPipelineStateVulkan::Init(const Description& desc)
 {
-    ASSERT(!IsValid());
+    if (IsValid())
+        OnReleaseGPU();
 
     // Reset description
     RenderToolsVulkan::ZeroStruct(_desc, VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO);