RasterizerState.cpp

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#include "RasterizerState.h"
#include "Device.h"
#include "DeviceContext.h"
 
HRESULT
RasterizerState::init(Device device) {
  D3D11_RASTERIZER_DESC rasterizerDesc = {};
  rasterizerDesc.FillMode = D3D11_FILL_SOLID;
  rasterizerDesc.CullMode = D3D11_CULL_BACK;
  rasterizerDesc.FrontCounterClockwise = false;
  rasterizerDesc.DepthBias = 0;
  rasterizerDesc.SlopeScaledDepthBias = 0.0f;
  rasterizerDesc.DepthBiasClamp = 0.0f;
  rasterizerDesc.DepthClipEnable = true;
  rasterizerDesc.ScissorEnable = false;
  rasterizerDesc.MultisampleEnable = false;
  rasterizerDesc.AntialiasedLineEnable = false;
 
  HRESULT hr = S_OK;
  hr = device.m_device->CreateRasterizerState(&rasterizerDesc, &m_rasterizerState);
 
  if (FAILED(hr)) {
    ERROR("Rasterizer", "init", "CHECK FOR CreateRasterizerState()");
  }
  return hr;
}
 
HRESULT 
RasterizerState::init(Device& device,
                      D3D11_FILL_MODE fill,
                      D3D11_CULL_MODE cull,
                      bool frontCCW,
                      bool depthClip) {
  D3D11_RASTERIZER_DESC desc{};
  desc.FillMode = fill;
  desc.CullMode = cull;
  desc.FrontCounterClockwise = frontCCW ? true : false;
  desc.DepthClipEnable = depthClip ? true : false;
 
  HRESULT hr = S_OK;
  hr = device.m_device->CreateRasterizerState(&desc, &m_rasterizerState);
 
  if (FAILED(hr)) {
    ERROR("Rasterizer", "init", "CHECK FOR CreateRasterizerState()");
  }
  return hr;
}
 
void
RasterizerState::update() {
}
 
void
RasterizerState::render(DeviceContext& deviceContext) {
  if (!m_rasterizerState)
  {
    ERROR("RasterizerState", "render", "RasterizerState is nullptr (init failed or not called)");
    return;
  }
  deviceContext.RSSetState(m_rasterizerState);
}
 
void
RasterizerState::destroy() {
  SAFE_RELEASE(m_rasterizerState);
}