git.cworth.org Git - apitrace/blob - d3d9/idirect3d_swapchain9.cpp

   1 #include "StdAfx.h"
   2
   3 TraceDirect3DSwapChain9::TraceDirect3DSwapChain9(IDirect3DSwapChain9* pOriginal, IDirect3DDevice9* pDevice) {
   4     m_pIDirect3DSwapChain9 = pOriginal; // store the pointer to original object
   5     m_pIDirect3DDevice9 = pDevice;
   6 }
   7
   8 TraceDirect3DSwapChain9::~TraceDirect3DSwapChain9(void) {
   9     m_pIDirect3DSwapChain9 = NULL;
  10 }
  11
  12 HRESULT TraceDirect3DSwapChain9::QueryInterface(REFIID riid, void** ppvObj) {
  13     // check if original dll can provide interface. then send *our* address
  14     *ppvObj = NULL;
  15
  16     HRESULT hRes = m_pIDirect3DSwapChain9->QueryInterface(riid, ppvObj);
  17
  18     if (hRes == NOERROR) {
  19         *ppvObj = this;
  20     }
  21
  22     return hRes;
  23 }
  24
  25 ULONG TraceDirect3DSwapChain9::AddRef(void) {
  26     return (m_pIDirect3DSwapChain9->AddRef());
  27 }
  28
  29 ULONG TraceDirect3DSwapChain9::Release(void) {
  30     // ATTENTION: This is a booby-trap ! Watch out !
  31     // If we create our own sprites, surfaces, etc. (thus increasing the ref counter
  32     // by external action), we need to delete that objects before calling the original
  33     // Release function
  34
  35     // global var
  36     extern TraceDirect3DSwapChain9* gl_pmyIDirect3DSwapChain9;
  37
  38     // release/delete own objects
  39     // .....
  40
  41     // Calling original function now
  42     ULONG count = m_pIDirect3DSwapChain9->Release();
  43
  44     if (count == 0) {
  45         // now, the Original Object has deleted itself, so do we here
  46         gl_pmyIDirect3DSwapChain9 = NULL;
  47         delete (this); // destructor will be called automatically
  48     }
  49
  50     return (count);
  51 }
  52
  53 HRESULT TraceDirect3DSwapChain9::Present(CONST RECT* pSourceRect,CONST RECT* pDestRect,HWND hDestWindowOverride,CONST RGNDATA* pDirtyRegion,DWORD dwFlags)
  54 {
  55     // Some games use this one for presenting. They ignore the Device's present routine
  56
  57     // we may want to draw own things here before flipping surfaces
  58     // ... draw own stuff ...
  59     this->ShowWeAreHere();
  60
  61     // call original routine
  62     HRESULT hres = m_pIDirect3DSwapChain9->Present(pSourceRect,pDestRect,hDestWindowOverride,pDirtyRegion,dwFlags);
  63
  64     return (hres);
  65 }
  66
  67 HRESULT TraceDirect3DSwapChain9::GetFrontBufferData(IDirect3DSurface9* pDestSurface) {
  68     return (m_pIDirect3DSwapChain9->GetFrontBufferData(pDestSurface));
  69 }
  70
  71 HRESULT TraceDirect3DSwapChain9::GetBackBuffer(UINT iBackBuffer, D3DBACKBUFFER_TYPE Type, IDirect3DSurface9** ppBackBuffer) {
  72     return (m_pIDirect3DSwapChain9->GetBackBuffer(iBackBuffer, Type, ppBackBuffer));
  73 }
  74
  75 HRESULT TraceDirect3DSwapChain9::GetRasterStatus(D3DRASTER_STATUS* pRasterStatus) {
  76     return (m_pIDirect3DSwapChain9->GetRasterStatus(pRasterStatus));
  77 }
  78
  79 HRESULT TraceDirect3DSwapChain9::GetDisplayMode(D3DDISPLAYMODE* pMode) {
  80     return (m_pIDirect3DSwapChain9->GetDisplayMode(pMode));
  81 }
  82
  83 HRESULT TraceDirect3DSwapChain9::GetDevice(IDirect3DDevice9** ppDevice) {
  84     return (m_pIDirect3DSwapChain9->GetDevice(ppDevice));
  85 }
  86
  87 HRESULT TraceDirect3DSwapChain9::GetPresentParameters(D3DPRESENT_PARAMETERS* pPresentationParameters) {
  88     return (m_pIDirect3DSwapChain9->GetPresentParameters(pPresentationParameters));
  89 }
  90
  91 // This is our test function
  92 void TraceDirect3DSwapChain9::ShowWeAreHere(void) {
  93     D3DRECT rec = { 100, 1, 150, 50 };
  94     m_pIDirect3DDevice9->Clear(1, &rec, D3DCLEAR_TARGET, D3DCOLOR_ARGB(255, 255, 255, 0), 0, 0);
  95 }
  96