DepthStencilState.cpp

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#include "DepthStencilState.h"
#include "Device.h"
#include "DeviceContext.h"
 
HRESULT
DepthStencilState::init(Device& device,
                        bool depthEnable,
                        D3D11_DEPTH_WRITE_MASK writeMask,
                        D3D11_COMPARISON_FUNC depthFunc) {
  if (!device.m_device) {
    ERROR("ShaderProgram", "init", "Device is null.");
    return E_POINTER;
  }
  D3D11_DEPTH_STENCIL_DESC desc{};
  desc.DepthEnable = depthEnable;
  desc.DepthWriteMask = writeMask;
  desc.DepthFunc = depthFunc;
  desc.StencilEnable = false;
 
  HRESULT hr = device.m_device->CreateDepthStencilState(&desc, &m_depthStencilState);
  if (FAILED(hr)) {
    ERROR("DepthStencilState", "init", "Failed to create DepthStencilState");
    return hr;
  }
  return hr;
}
 
void
DepthStencilState::update() {
 
}
 
void
DepthStencilState::render(DeviceContext& deviceContext,
  unsigned int stencilRef,
  bool reset) {
  if (!deviceContext.m_deviceContext) {
    ERROR("RenderTargetView", "render", "DeviceContext is nullptr.");
    return;
  }
  if (!m_depthStencilState) {
    ERROR("DepthStencilState", "render", "DepthStencilState is nullptr");
    return;
  }
 
  if (!reset) {
    deviceContext.m_deviceContext->OMSetDepthStencilState(m_depthStencilState, stencilRef);
  }
  else {
    deviceContext.m_deviceContext->OMSetDepthStencilState(nullptr, stencilRef);
  }
}
 
void
DepthStencilState::destroy() {
  SAFE_RELEASE(m_depthStencilState);
}