Source code

/******************************************************************************
 *
 * Copyright (c) 2016 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer.
 *  
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 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
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 *
 *  Direct3DX12TexturedTriangle.h
 *
 *****************************************************************************/

//2016/10/20


#pragma once

#include <math.h>
#include <sol/direct3d12/Direct3DX12Shape.h>


namespace SOL {

class Direct3DX12TexturedTriangle : public Direct3DX12Shape {
public:
  Direct3DX12TexturedTriangle(
        __in ID3D12Device* device, 
        __in float             width  = 1.0f, 
        __in float             height = 1.0f)
  :Direct3DX12Shape(device)
  {
    if (device == NULL) {
      throw IException("Invalid device.");
    }
   
    if (width < 0.0f || height < 0.0f) {
      throw IException("Invalid parameter"); 
    }
    // Create a vertexBuffer and an indexBuffer
    createTexturedTriangle( width, height );    
  }

  
  virtual const D3D12_INPUT_ELEMENT_DESC* getInputElementDesc(size_t& count)
  {
    return D3D12InputElements::getPosTexCoordDesc(count); 
  }
  
  void createTexturedTriangle( float width, float height )
  { 
    try {
      //Direct3D12Device* d3d12Device = getD3D12Device();
        
      D3D12PosTexCoordVertex  vertices[] ={
          {XMFLOAT3( 0.0f * width,  1.0f * height, 0.0f),  XMFLOAT2( 0.0f, 0.0f ) }, 
          {XMFLOAT3( 1.0f * width, -1.0f * height, 0.0f),  XMFLOAT2( 1.0f, 0.0f ) }, 
          {XMFLOAT3(-1.0f * width, -1.0f * height, 0.0f),  XMFLOAT2( 0.0f, 1.0f ) }, 
      };
      //2016/11/15
      uint16_t indices[] = {
          0,1,2,
      };

      createVertexBuffer(vertices, sizeof(vertices), sizeof(D3D12PosTexCoordVertex), _countof(vertices));
      createIndexBuffer(indices, sizeof(indices), _countof(indices));
    } catch (Exception& ex) {
        ex.display();
    }
  }


  ~Direct3DX12TexturedTriangle()
  {
  }
};

}