[host] added format converter class

host/TextureConverter.h

@@ -0,0 +1,73 @@
+/*
+Looking Glass - KVM FrameRelay (KVMFR) Client
+Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; either version 2 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#pragma once
+
+#include "Com.h"
+
+#include <DirectXMath.h>
+
+class TextureConverter
+{
+public:
+  TextureConverter();
+  ~TextureConverter();
+
+  bool Initialize(
+    ID3D11DeviceContextPtr deviceContext,
+    ID3D11DevicePtr        device,
+    const unsigned int     width,
+    const unsigned int     height,
+    DXGI_FORMAT            format
+  );
+
+  void DeInitialize();
+
+  bool Convert(ID3D11Texture2DPtr &texture);
+
+private:
+  struct VS_INPUT
+  {
+    DirectX::XMFLOAT3 pos;
+    DirectX::XMFLOAT2 tex;
+  };
+
+  bool IntializeBuffers();
+
+  ID3D11DeviceContextPtr m_deviceContext;
+  ID3D11DevicePtr        m_device;
+  unsigned int           m_width, m_height;
+  DXGI_FORMAT            m_format;
+
+  ID3D11Texture2DPtr          m_targetTexture;
+  ID3D11Texture2DPtr          m_depthTexture;
+  ID3D11DepthStencilViewPtr   m_depthView;
+  ID3D11RenderTargetViewPtr   m_renderView;
+  ID3D11ShaderResourceViewPtr m_shaderView;
+  ID3D11InputLayoutPtr        m_layout;
+  ID3D11VertexShaderPtr       m_vertexShader;
+  ID3D11PixelShaderPtr        m_pixelShader;
+  ID3D11SamplerStatePtr       m_samplerState;
+
+  ID3D11BufferPtr             m_vertexBuffer;
+  unsigned int                m_vertexCount;
+  ID3D11BufferPtr             m_indexBuffer;
+  unsigned int                m_indexCount;
+};
+