RenderTargetView.cpp

Ir a la documentación de este archivo.

 
#include "RenderTargetView.h"
#include "Device.h"
#include "Texture.h"
#include "DeviceContext.h"
#include "DepthStencilView.h"
 
HRESULT
RenderTargetView::init(Device& device, Texture& backBuffer, DXGI_FORMAT Format) {
  if (!device.m_device) {
    ERROR("RenderTargetView", "init", "Device is nullptr.");
    return E_POINTER;
  }
  if (!backBuffer.m_texture) {
    ERROR("RenderTargetView", "init", "Texture is nullptr.");
    return E_POINTER;
  }
  if (Format == DXGI_FORMAT_UNKNOWN) {
    ERROR("RenderTargetView", "init", "Format is DXGI_FORMAT_UNKNOWN.");
    return E_INVALIDARG;
  }
 
  // Config the description for the render target view
  D3D11_RENDER_TARGET_VIEW_DESC desc;
  memset(&desc, 0, sizeof(desc));
  desc.Format = Format;
  desc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2DMS;
 
  // Create the render target view
  HRESULT hr = device.m_device->CreateRenderTargetView(backBuffer.m_texture, 
                                                       &desc, 
                                                       &m_renderTargetView);
  if (FAILED(hr)) {
    ERROR("RenderTargetView", "init", 
      ("Failed to create render target view. HRESULT: " + std::to_string(hr)).c_str());
    return hr;
  }
 
  return S_OK;
}
 
HRESULT 
RenderTargetView::init(Device& device, 
                      Texture& inTex, 
                      D3D11_RTV_DIMENSION ViewDimension, 
                      DXGI_FORMAT Format) {
  if (!device.m_device) {
    ERROR("RenderTargetView", "init", "Device is nullptr.");
    return E_POINTER;
  }
  if (!inTex.m_texture) {
    ERROR("RenderTargetView", "init", "Texture is nullptr.");
    return E_POINTER;
  }
  if (Format == DXGI_FORMAT_UNKNOWN) {
    ERROR("RenderTargetView", "init", "Format is DXGI_FORMAT_UNKNOWN.");
    return E_INVALIDARG;
  }
 
  // Config the description for the render target view
  D3D11_RENDER_TARGET_VIEW_DESC desc;
  memset(&desc, 0, sizeof(desc));
  desc.Format = Format;
  desc.ViewDimension = ViewDimension;
 
  // Create the render target view
  HRESULT hr = device.m_device->CreateRenderTargetView(inTex.m_texture, 
                                                       &desc, 
                                                       &m_renderTargetView);
 
  if (FAILED(hr)) {
    ERROR("RenderTargetView", "init", 
      ("Failed to create render target view. HRESULT: " + std::to_string(hr)).c_str());
    return hr;
  }
 
  return S_OK;
}
 
void 
RenderTargetView::render(DeviceContext& deviceContext, 
                         DepthStencilView& depthStencilView, 
                         unsigned int numViews, 
                         const float ClearColor[4]) {
  if (!deviceContext.m_deviceContext) {
    ERROR("RenderTargetView", "render", "DeviceContext is nullptr.");
    return;
  }
  if (!m_renderTargetView) {
    ERROR("RenderTargetView", "render", "RenderTargetView is nullptr.");
    return;
  }
 
  // Clear the render target view
  deviceContext.m_deviceContext->ClearRenderTargetView(m_renderTargetView, ClearColor);
 
  // Config render target view and depth stencil view
  deviceContext.m_deviceContext->OMSetRenderTargets(numViews,
                                                    &m_renderTargetView,
                                                    depthStencilView.m_depthStencilView);
}
 
void 
RenderTargetView::render(DeviceContext& deviceContext, unsigned int numViews) {
  if (!deviceContext.m_deviceContext) {
    ERROR("RenderTargetView", "render", "DeviceContext is nullptr.");
    return;
  }
  if (!m_renderTargetView) {
    ERROR("RenderTargetView", "render", "RenderTargetView is nullptr.");
    return;
  }
  // Config render target view
  deviceContext.m_deviceContext->OMSetRenderTargets(numViews, 
                                                    &m_renderTargetView, 
                                                    nullptr);
}
 
void RenderTargetView::destroy() {
  SAFE_RELEASE(m_renderTargetView);
}