November 20, 2010

ProgrammerAtHeart3344 ProgrammerAt..
Lab Rat
39 posts

problems with trying to get D3DX9/10 to work in Qt

 

I’m trying to get D3D9/10/10…..ect to work in Qt4 but it wont create the window at all, it gives an access violation when runned the device must not b e getti ng cvreated….:-( here’s my code.

  1. header:
  2.  
  3. #ifndef CD3D10_H
  4. #define CD3D10_H
  5.  
  6. #include <QWidget>
  7. #include <D3D10.h>
  8. #include <DXGI.h>
  9. #include <D3DX10.h>
  10.  
  11.  
  12.  
  13. #pragma comment(lib,"d3d10.lib")
  14. #pragma comment(lib,"d3dx10.lib")
  15.  
  16. class CD3D10 : public QWidget
  17. {
  18. public:
  19.  CD3D10(QWidget* parent = 0);
  20.  
  21.  ~CD3D10();
  22.  
  23. protected:
  24.  bool createD3D10();
  25.  void paintEvent(QPaintEvent *);
  26.  void resizeEvent(QResizeEvent *);
  27.  
  28. private:
  29.  ID3D10Device* m_pD3D10Dev;
  30.  IDXGISwapChain* m_pD3DSwapChain;
  31.  ID3D10RenderTargetView* m_pRenderView;
  32.  DXGI_SWAP_CHAIN_DESC m_pSwapChainDesc;
  33.  ID3D10Texture2D* m_pBackBuffer;
  34.  D3D10_VIEWPORT m_pViewport;
  35.  IDXGIAdapter*  m_pAdapter;
  36. };
  37.  
  38. #endif
  39.  
  40. source:
  41.  
  42. #include "CD3D10.h"
  43.  
  44. CD3D10::CD3D10(QWidget* parent /* = 0 */)
  45. : QWidget(parent)
  46. {
  47.  this->createD3D10();
  48. }
  49.  
  50. CD3D10::~CD3D10()
  51. {
  52.  this->m_pD3D10Dev->Release();
  53.  this->m_pD3DSwapChain->Release();
  54.  
  55. }
  56.  
  57. bool CD3D10::createD3D10()
  58. {
  59.  ZeroMemory(&this->m_pSwapChainDesc,sizeof(DXGI_SWAP_CHAIN_DESC));
  60.  
  61.  m_pSwapChainDesc.BufferCount = 1;
  62.  m_pSwapChainDesc.BufferDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
  63.  m_pSwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
  64.  m_pSwapChainDesc.OutputWindow = this->winId();
  65.  m_pSwapChainDesc.SampleDesc.Count = 1;
  66.  m_pSwapChainDesc.SampleDesc.Quality = 0;
  67.  m_pSwapChainDesc.Windowed = true;
  68.  
  69. HRESULT hr = D3D10CreateDeviceAndSwapChain(NULL,
  70.   D3D10_DRIVER_TYPE_HARDWARE,
  71.   NULL,
  72.   0,D3D10_SDK_VERSION,
  73.   &this->m_pSwapChainDesc,
  74.   &m_pD3DSwapChain,
  75.   &m_pD3D10Dev
  76.   );
  77.  
  78. if(FAILED(hr))
  79. {
  80.  MessageBoxA(NULL,"Blah, Blah","",MB_OK);
  81.  return false;
  82. }
  83.  
  84.  
  85.  ID3D10Texture2D* buffer;
  86.  m_pD3DSwapChain->GetBuffer(0,__uuidof(ID3D10Texture2D),(LPVOID*)&buffer);
  87.  
  88.  
  89.  m_pD3D10Dev->CreateRenderTargetView(buffer,NULL,&this->m_pRenderView);
  90. buffer->Release();
  91.  m_pD3D10Dev->OMGetRenderTargets(1,&this->m_pRenderView,NULL);
  92.  
  93.  ZeroMemory(&m_pViewport,sizeof(D3D10_VIEWPORT));
  94.  
  95.  m_pViewport.TopLeftX = 0;
  96.  m_pViewport.TopLeftY = 0;
  97.  m_pViewport.Width    = 800;
  98.  m_pViewport.Height   = 600;
  99.  
  100.  m_pD3D10Dev->RSSetViewports(0,&this->m_pViewport);
  101.  
  102.  return true;
  103.  
  104. }
  105.  
  106. void CD3D10::paintEvent(QPaintEvent *paint)
  107. {
  108.  m_pD3D10Dev->ClearRenderTargetView(this->m_pRenderView,D3DXCOLOR(0.0f,0.0f,0.5f,0.3f));
  109.  
  110.  m_pD3DSwapChain->Present(0,0);
  111.  
  112. }
  113.  
  114. void CD3D10::resizeEvent(QResizeEvent *event)
  115. {
  116.  
  117. }

hopefully someone can help me

1 reply

December 6, 2010

Franzk Franzk
Lab Rat
830 posts

As far as I know, you should override the paint event to a null function and do your rendering from another function.

 Signature 

“Horse sense is the thing a horse has which keeps it from betting on people.”—W.C. Fields

http://www.catb.org/~esr/faqs/smart-questions.html

 
  ‹‹ How QML cycle sprites?      Detecting what is shown on the display ››

You must log in to post a reply. Not a member yet? Register here!

 
Selected by the fine Qt Content Robot based on tags and ratings.

Possibly related content

Forum posts and FAQ

© 2013 Qt Project Hosting. Qt® and the Qt logo is a registered trade mark of Digia plc and/or its subsidiaries and is used pursuant to a license from Digia plc and/or its subsidiaries.
All other trademarks are property of their respective owners. Privacy Policy
This site is hosted by Gitorious AS. Your use of this web site is governed by these terms of service.

Qt Project Hosting, P.O. Box 4332 Nydalen, 0402 Oslo, Norway. Org. Nr. 997 447 913