EditorViewportPass.h

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#pragma once
#include "Prerequisites.h"
#include "Texture.h"
#include "RenderTargetView.h"
#include "DepthStencilView.h"
 
class Device;
class DeviceContext;
 
class 
EditorViewportPass {
public:
  EditorViewportPass() = default;
  ~EditorViewportPass() = default;
 
  HRESULT init(Device& device, unsigned int width, unsigned int height);
  HRESULT resize(Device& device, unsigned int width, unsigned int height);
 
  void begin(DeviceContext& deviceContext, const float clearColor[4]);
  void swap(EditorViewportPass& other);
  void clearDepth(DeviceContext& deviceContext);
  void setViewport(DeviceContext& deviceContext);
  void destroy();
 
  ID3D11ShaderResourceView* getSRV() const { return m_colorSRV.m_textureFromImg; }
 
  unsigned int getWidth() const { return m_width; }
  unsigned int getHeight() const { return m_height; }
 
  bool isValid() const
  {
    return m_colorTexture.m_texture != nullptr &&
      m_colorSRV.m_textureFromImg != nullptr &&
      m_depthTexture.m_texture != nullptr;
  }
 
private:
  HRESULT createResources(Device& device, unsigned int width, unsigned int height);
 
private:
  Texture           m_colorTexture;
  Texture           m_colorSRV;
  RenderTargetView  m_rtv;
 
  Texture           m_depthTexture;
  DepthStencilView  m_dsv;
 
  unsigned int      m_width = 1;
  unsigned int      m_height = 1;
};