SOL9 Sample: Direct3D11TexturedTriangleRotationByTimerThread

SOL9 2.0 Samples

1 Screenshot


2 Source code

/*
 * Direct3D11TexturedTriangleRotationByTimerThread.cpp 
 * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */


// 2016/01/13 
// 2017/01/18 Update display to call setShaderMatrices.
// 2017/01/28 Updated to use ModuleFileName class and caught macro.

#pragma warning(disable : 4005) 
#pragma warning(disable : 4838) 

#define DIRECTX_TEX

#define COMMONCONTROLS_V6


#include <sol/direct3d11/DirectX3D11MainView.h>
#include <sol/direct3d11/DirectX3D11View.h>
#include <sol/direct3d11/DirectX3D11TimerThread.h>

#include <sol/direct3d11/Direct3D11RenderTargetView.h>
#include <sol/direct3d11/Direct3D11ShaderResourceView.h>
#include <sol/direct3d11/Direct3D11RasterizerState.h>

#include <sol/direct3d11/Direct3D11VertexShader.h>
#include <sol/direct3d11/Direct3D11PixelShader.h>

#include <sol/direct3d11/Direct3D11Texture2D.h>

#include <sol/direct3d11/D3D11Texture2DDesc.h>

#include <sol/direct3d11/Direct3DX11TexturedTriangle.h>

#include <sol/direct3d11/Direct3D11Buffer.h>
#include <sol/direct3d11/Direct3D11Blob.h>

#include <sol/direct3d11/D3D11PosColorVertex.h>
#include <sol/direct3d11/D3D11ConstantBuffer.h>

#include <sol/direct3d11/Direct3D11Resource.h>
#include <sol/direct3dcommon/XMMath.h>

#include "resource.h"

namespace SOL {
  
class MainView :public DirectX3D11MainView {
  
private:
  //////////////////////////////////////////////  
  //Inner class starts
  class SimpleView : public DirectX3D11View {
  private: 
    SmartPtr<Direct3D11RenderTargetView>    renderTargetView;
    SmartPtr<Direct3D11ShaderResourceView>  shaderResourceView;
    SmartPtr<Direct3D11RasterizerState>     rasterizerState;

    SmartPtr<Direct3DX11TexturedTriangle>   texturedTriangle;
    
    SmartPtr<Direct3D11Blob>                vertexShaderBlob;
    SmartPtr<Direct3D11Blob>                pixelShaderBlob;
    
    SmartPtr<Direct3D11VertexShader>        vertexShader;
    SmartPtr<Direct3D11PixelShader>         pixelShader;
    
    SmartPtr<Direct3D11Buffer>              constantBuffer;

    XMMatrix                                world;
    XMMatrix                                view;
    XMMatrix                                projection;

    StringT<TCHAR>                          directory;

    float                                   angle;
    
    SmartPtr<DirectX3D11TimerThread>       timerThread;
    int                                   renderingInterval;
    CriticalSection                       criticalSection;
    
  public:
    void deleteViews()
    {
      Direct3D11ImmediateContext* d3d11ImmediateContext = getD3D11ImmediateContext();
    
      d3d11ImmediateContext ->setOMRenderTargets(0, NULL, NULL);
 
      renderTargetView = NULL;
    }

    virtual void createViews()
    {
      int width  = 0;
      int height = 0;     
      validateClientSize(width, height);

      try {
        Direct3D11Device*   d3d11Device  = getD3D11Device();
        DirectXGISwapChain* swapChain = getSwapChain();
        Direct3D11ImmediateContext* d3d11ImmediateContext = getD3D11ImmediateContext();
        
        d3d11ImmediateContext ->setOMRenderTargets(0, NULL, NULL);

        //1 Create an instance of Direct3D11RenderTargetView
        Direct3D11Texture2D renderTargetViewTexture(*swapChain);

        renderTargetView = new Direct3D11RenderTargetView(*d3d11Device, renderTargetViewTexture, NULL);
        
        ID3D11RenderTargetView* targets[1];
        targets[0] = *renderTargetView; 

        //2 Set renderTargetView and depthStencilView to id3d11Device
        
        d3d11ImmediateContext ->setOMRenderTargets(1, targets, NULL);
        
      } catch (Exception& ex) {
        caught(ex);
      }
    }

    void createVertexShader()
    {
      Direct3D11Device* d3d11Device = getD3D11Device();
      TCHAR fullpath[MAX_PATH];
      _stprintf_s(fullpath, CountOf(fullpath), _T("%s\\..\\fx\\%s"), 
                    (const TCHAR*)directory, 
                    _T("shader.fx"));
      try {
        vertexShaderBlob = new Direct3D11Blob(fullpath, "VS", "vs_4_0");
        if (vertexShaderBlob) {
          vertexShader = new Direct3D11VertexShader(*d3d11Device, *vertexShaderBlob);
        }
        
      } catch (Exception& ex) {
        caught(ex);
      }
    }
    
    void createPixelShader()
    {
      Direct3D11Device* d3d11Device = getD3D11Device();
      TCHAR fullpath[MAX_PATH];
      _stprintf_s(fullpath, CountOf(fullpath), _T("%s\\..\\fx\\%s"), 
                    (const TCHAR*)directory, 
                    _T("shader.fx"));

      try {
        pixelShaderBlob = new Direct3D11Blob(fullpath, "PS", "ps_4_0");
        if (pixelShaderBlob) {
          pixelShader = new Direct3D11PixelShader(*d3d11Device, *pixelShaderBlob);
       }
      } catch (Exception& ex) {
        caught(ex);
      }
    }

    void createTexturedTriangleBuffer()
    {
      try {
        Direct3D11Device* d3d11Device = getD3D11Device();
        Direct3D11ImmediateContext* d3d11ImmediateContext = getD3D11ImmediateContext();
        texturedTriangle = new Direct3DX11TexturedTriangle(d3d11Device, d3d11ImmediateContext, vertexShaderBlob);
        
      } catch (Exception& ex) {
        caught(ex);
      }
    }

    void createConstantBuffer()
    {
      try {
        Direct3D11Device* d3d11Device = getD3D11Device();
        Direct3D11ImmediateContext* d3d11ImmediateContext = getD3D11ImmediateContext();

        D3D11_BUFFER_DESC constantBufferDesc;
        memset(&constantBufferDesc, 0, sizeof(constantBufferDesc));
        constantBufferDesc.Usage     = D3D11_USAGE_DEFAULT;
        constantBufferDesc.ByteWidth = sizeof(D3D11ConstantBuffer); 
        constantBufferDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;

        // Create a constantBuffer from above parameters.
        constantBuffer = new Direct3D11Buffer(*d3d11Device, &constantBufferDesc, NULL);
        
      } catch (Exception& ex) {
        caught(ex);
      }
    }

    void setShaderMatrices()
    {
      int width = 0;
      int height = 0;
      getClientSize(width, height);

      try {
        
        XMVECTOR  eye = XMVectorSet(  0.0f,  0.0f, -7.0f,  0.0f );
        XMVECTOR  at  = XMVectorSet(  0.0f,  0.0f,  0.0f,  0.0f );
        XMVECTOR  up  = XMVectorSet(  0.0f,  1.0f,  0.0f,  0.0f );
        view = XMMatrix::lookAtLH( eye, at, up );

        projection = XMMatrix::perspectiveFovLH( XM_PIDIV2*0.2f, (FLOAT)width / (FLOAT)height, 0.01f, 100.0f );
       
      } catch (Exception& ex) {
        caught(ex);
      }
    }

   void createShaderResourceView()
    {
      try {
        Direct3D11Device* d3d11Device = getD3D11Device();
        TCHAR fullpath[MAX_PATH];
        _stprintf_s(fullpath, CountOf(fullpath), _T("%s\\..\\image\\%s"), 
                    (const TCHAR*)directory, 
                    _T("Nanten.png"));
        texturedTriangle -> createShaderResourceView(fullpath);
        
      } catch(Exception& ex) {
        caught(ex); 
      }
    }

    void createRasterizerState()
    {
      try {
        Direct3D11Device* d3d11Device = getD3D11Device();
        Direct3D11ImmediateContext* d3d11ImmediateContext = getD3D11ImmediateContext();

        D3D11_RASTERIZER_DESC desc;
        memset(&desc, 0, sizeof(desc));
        desc.CullMode               = D3D11_CULL_NONE;
        desc.FillMode               = D3D11_FILL_SOLID;
        desc.FrontCounterClockwise  = true;
        desc.DepthBias              = false;
        //desc.DepthBiasClamp         = 0;
        //desc.SlopeScaledDepthBias   = 0;
        desc.DepthClipEnable        = true;
        desc.ScissorEnable          = false;
        desc.MultisampleEnable      = false;
        desc.AntialiasedLineEnable  = true;

        rasterizerState = new Direct3D11RasterizerState (*d3d11Device, &desc);

        d3d11ImmediateContext->setRSState(*rasterizerState);

      } catch (Exception& ex) {
        caught(ex);
      }
    }
    
    void createSamplerState()
    {
      try {
        texturedTriangle -> createSamplerState();
      } catch (Exception& ex) {
        caught(ex);
      }
    }


    virtual void initialize()
    {
      try {
        createVertexShader();

        createPixelShader();
        
        createTexturedTriangleBuffer();

        createConstantBuffer();
        
        setShaderMatrices();

        createShaderResourceView();

        createRasterizerState();  

        createSamplerState();

        createViews();

        timerThread = new DirectX3D11TimerThread(this, renderingInterval);
        timerThread -> start();
        
      } catch (Exception& ex) {
        caught(ex);
      }
    }

    virtual void display()
    {
      criticalSection.enter();
      
      try {
        Direct3D11Device*  d3d11Device = getD3D11Device();
        DirectXGISwapChain* swapChain = getSwapChain();
        Direct3D11ImmediateContext*  d3d11ImmediateContext = getD3D11ImmediateContext();
        
        if (renderTargetView ) {
          renderTargetView -> clear(XMColor(0.0, 0.0, 0.0, 0.0));

          if (angle < 1.0f) {
            angle += 0.01f;
          } else {
            angle -= 0.01f;
          }
          //2017/01/18 
          setShaderMatrices();
          
          XMMatrix rotate = XMMatrix::rotationZ((FLOAT)XMtoRadian(angle));
          
          world *= rotate;
          
          D3D11ConstantBuffer cb;
          cb.world      = XMMatrix::transpose(world );
          cb.view       = XMMatrix::transpose(view );
          cb.projection = XMMatrix::transpose(projection );
          d3d11ImmediateContext -> updateSubresource(*constantBuffer, 0, NULL, &cb, 0, 0 );

          d3d11ImmediateContext -> setVSShader( *vertexShader, NULL, 0 );
          
          ID3D11Buffer* cbuffer =  *constantBuffer;
          d3d11ImmediateContext -> setVSConstantBuffers( 0, 1, &cbuffer );
          d3d11ImmediateContext -> setPSShader( *pixelShader, NULL, 0 );
          texturedTriangle -> setSamplers();

          texturedTriangle -> setShaderResources();
          
          texturedTriangle -> setInputLayout();
          
          texturedTriangle -> setBuffers();

          texturedTriangle -> drawIndexed();
        }
        swapChain -> present();

      } catch (Exception& ex) {
        caught(ex);
      }
      criticalSection.leave();
    }
    
  public:
    void render()
    {
      angle += 0.0001f;
      display();
    }

  public:
    // Constructor
    SimpleView(DirectX3D11MainView* parent, const TCHAR* name, Args& args)
   :DirectX3D11View(parent, name,
                 args.set(XmNstyle, (ulong)WS_CLIPCHILDREN) ),
    directory(_T("")),
    angle(0.0f),
    renderingInterval(10)
    {
      renderingInterval = (int)args.get(XmNrenderingInterval);
      
      directory = (const TCHAR*)args.get(XmNapplicationDirectory);
    }

    ~SimpleView()
    {    
    }
    
  private:
    void resize(int width, int height)
    {
      Direct3D11Device*   device = getD3D11Device();
      DirectXGISwapChain* swapChain = getSwapChain();
      if (device           == NULL && 
          swapChain        == NULL && 
          renderTargetView == NULL) {
        return ;
      }
      
      criticalSection.enter();
      
      try {
        // 1 Delete existing rendarTargetView and depthStencilView.
        deleteViews();

        // 2 ResizeBuffers swapChain(IDXGISwapChain)
        swapChain -> resizeBuffers(width, height); 
     
        // 3 Recreate rendarTargetView and depthStencilView.
        createViews();
      
        // 4 SetViewPort
        setViewPort(width, height);

      } catch (Exception& ex) {
        caught(ex);
      }
      criticalSection.leave();
    }  
  };
  //////////////////////////////////////////////
  // Inner class ends.
  
private:
  SmartPtr<SimpleView> view;

public:
  // Constructor
  MainView(Application& applet, const TCHAR* name, Args& args)
  :DirectX3D11MainView(applet, name,
                 args.set(XmNstyle, (ulong)WS_CLIPCHILDREN|WS_CLIPSIBLINGS) )
  {
    int interval = (int)args.get(XmNrenderingInterval);

    const TCHAR* directory = (const TCHAR*)args.get(XmNapplicationDirectory);
    // 1 Create a view of SimpleView.
    Args ar;
    int width  = 0;
    int height = 0;
    getClientSize(width, height);

    ar.set(XmNwidth, width);
    ar.set(XmNheight,height);
    ar.set(XmNapplicationDirectory, directory);
    ar.set(XmNrenderingInterval, interval); 

    ar.set(XmNstyle, WS_BORDER|WS_CHILD|WS_VISIBLE);
    view = new SimpleView(this, _T(""), ar);

    // 2 Post a resize request to this MainView.
    postResizeRequest();
  }
  
public:
  ~MainView()
  {
  }
  
private:
  void resize(int width, int height)
  {
    if (view != nullptr) {
      view -> reshape(0, 0, width, height);
      view -> postResizeRequest(width, height);
    }
  }
};
  
}

//////////////////////////////////////////////
//
void  Main(int argc, TCHAR** argv)
{
  ModuleFileName module(argv[0]);
  const TCHAR* directory = module.getDirectory();
  const TCHAR* appClass =  module.getAppName(); 
  
  try {
    Application applet(appClass, argc, argv);

    Args args;
    args.set(XmNapplicationDirectory, directory);
    args.set(XmNwidth,  640);
    args.set(XmNheight, 480);
    args.set(XmNrenderingInterval, 10);  //10 millisec
    MainView mainv(applet, appClass, args);
    
    mainv.realize();

    applet.run();

  } catch (Exception& ex) {
    caught(ex);
  }
}


Last modified: 1 Feb 2017

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