reactos/lib/ddraw/soft/ddraw_hel.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:            See COPYING in the top level directory
   4  * PROJECT:              ReactOS
   5  * FILE:                 lib/ddraw/soft/ddraw.c
   6  * PURPOSE:              DirectDraw Software Implementation
   7  * PROGRAMMER:           Magnus Olsen, Maarten Bosma
   8  *
   9  */
  10
  11 #include "rosdraw.h"
  12
  13
  14 HRESULT Hel_DirectDraw_Initialize (LPDIRECTDRAW7 iface)
  15 {
  16         return DD_OK;
  17 }
  18
  19 HRESULT Hel_DirectDraw_SetCooperativeLevel (LPDIRECTDRAW7 iface)
  20 {
  21         return DD_OK;
  22 }
  23
  24 VOID Hel_DirectDraw_Release (LPDIRECTDRAW7 iface)
  25 {
  26 }
  27
  28
  29 HRESULT Hel_DirectDraw_GetAvailableVidMem(LPDIRECTDRAW7 iface, LPDDSCAPS2 ddscaps,
  30                                    LPDWORD total, LPDWORD free)
  31 {
  32         DX_STUB;
  33 }
  34
  35
  36 HRESULT Hel_DirectDraw_WaitForVerticalBlank(LPDIRECTDRAW7 iface, DWORD dwFlags,HANDLE h)
  37 {
  38         DX_STUB;
  39 }
  40
  41 HRESULT Hel_DirectDraw_GetScanLine(LPDIRECTDRAW7 iface, LPDWORD lpdwScanLine)
  42 {
  43         DX_STUB;
  44 }
  45
  46 HRESULT Hel_DirectDraw_FlipToGDISurface(LPDIRECTDRAW7 iface)
  47 {
  48         DX_STUB;
  49 }
  50
  51 HRESULT Hel_DirectDraw_SetDisplayMode (LPDIRECTDRAW7 iface, DWORD dwWidth, DWORD dwHeight,
  52                                                                                                         DWORD dwBPP, DWORD dwRefreshRate, DWORD dwFlags)
  53 {
  54     IDirectDrawImpl* This = (IDirectDrawImpl*)iface;
  55
  56         // this only for exclusive mode
  57         if(!(This->cooperative_level & DDSCL_EXCLUSIVE))
  58                 return DDERR_NOEXCLUSIVEMODE;
  59
  60         // change the resolution using normal WinAPI function
  61         DEVMODE mode;
  62         mode.dmSize = sizeof(mode);
  63         mode.dmPelsWidth = dwWidth;
  64         mode.dmPelsHeight = dwHeight;
  65         mode.dmBitsPerPel = dwBPP;
  66         mode.dmDisplayFrequency = dwRefreshRate;
  67         mode.dmFields = 0;
  68
  69         if(dwWidth)
  70                 mode.dmFields |= DM_PELSWIDTH;
  71         if(dwHeight)
  72                 mode.dmFields |= DM_PELSHEIGHT;
  73         if(dwBPP)
  74                 mode.dmFields |= DM_BITSPERPEL;
  75         if(dwRefreshRate)
  76                 mode.dmFields |= DM_DISPLAYFREQUENCY;
  77
  78         if (ChangeDisplaySettings(&mode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
  79                 return DDERR_UNSUPPORTEDMODE;
  80
  81         // TODO: reactivate ddraw object, maximize window, set it in foreground
  82         // and set excluive mode (if implemented by the driver)
  83
  84         /* FIXME fill the DirectDrawGlobal right the modeindex old and new */
  85
  86         if(dwWidth)
  87                 This->Height = dwWidth;
  88         if(dwHeight)
  89                 This->Width = dwHeight;
  90         if(dwBPP)
  91                 This->Bpp = dwBPP;
  92
  93         return DD_OK;
  94 }
  95
  96