dlls/ddraw/dsurface/dga2.c

   1 /*              DirectDrawSurface XF86DGA implementation
   2  *
   3  * DGA2's specific DirectDrawSurface routines
   4  */
   5 #include "config.h"
   6 #include "winerror.h"
   7
   8 #include <unistd.h>
   9 #include <assert.h>
  10 #include <fcntl.h>
  11 #include <string.h>
  12 #include <stdlib.h>
  13 #include <stdio.h>
  14
  15 #include "debugtools.h"
  16 #include "dga2_private.h"
  17 #include "bitmap.h"
  18
  19 DEFAULT_DEBUG_CHANNEL(ddraw);
  20
  21 #define DDPRIVATE(x) dga2_dd_private *ddpriv = ((dga2_dd_private*)(x)->d->private)
  22 #define DPPRIVATE(x) dga2_dp_private *dppriv = ((dga2_dp_private*)(x)->private)
  23 #define DSPRIVATE(x) dga2_ds_private *dspriv = ((dga2_ds_private*)(x)->private)
  24
  25 static BYTE DGA2_TouchSurface(LPDIRECTDRAWSURFACE4 iface)
  26 {
  27     ICOM_THIS(IDirectDrawSurface4Impl,iface);
  28     /* if the DIB section is in GdiMod state, we must
  29      * touch the surface to get any updates from the DIB */
  30     return *(BYTE*)(This->s.surface_desc.u1.lpSurface);
  31 }
  32
  33 HRESULT WINAPI DGA2_IDirectDrawSurface4Impl_Flip(
  34     LPDIRECTDRAWSURFACE4 iface,LPDIRECTDRAWSURFACE4 flipto,DWORD dwFlags
  35 ) {
  36     ICOM_THIS(IDirectDrawSurface4Impl,iface);
  37     IDirectDrawSurface4Impl* iflipto=(IDirectDrawSurface4Impl*)flipto;
  38     DWORD       xheight;
  39     DSPRIVATE(This);
  40     dga_ds_private      *fspriv;
  41     LPBYTE      surf;
  42
  43     TRACE("(%p)->Flip(%p,%08lx)\n",This,iflipto,dwFlags);
  44
  45     DGA2_TouchSurface(iface);
  46     iflipto = _common_find_flipto(This,iflipto);
  47
  48     /* and flip! */
  49     fspriv = (dga_ds_private*)iflipto->private;
  50     TSXDGASetViewport(display,DefaultScreen(display),0,fspriv->fb_height, XDGAFlipRetrace);
  51     TSXDGASync(display,DefaultScreen(display));
  52     TSXFlush(display);
  53     if (iflipto->s.palette) {
  54         DPPRIVATE(iflipto->s.palette);
  55         if (dppriv->cm)
  56             TSXDGAInstallColormap(display,DefaultScreen(display),dppriv->cm);
  57     }
  58
  59     /* We need to switch the lowlevel surfaces, for DGA this is: */
  60     /* The height within the framebuffer */
  61     xheight             = dspriv->fb_height;
  62     dspriv->fb_height   = fspriv->fb_height;
  63     fspriv->fb_height   = xheight;
  64
  65     /* And the assciated surface pointer */
  66     surf                                 = This->s.surface_desc.u1.lpSurface;
  67     This->s.surface_desc.u1.lpSurface    = iflipto->s.surface_desc.u1.lpSurface;
  68     iflipto->s.surface_desc.u1.lpSurface = surf;
  69
  70     return DD_OK;
  71 }
  72
  73 HRESULT WINAPI DGA2_IDirectDrawSurface4Impl_SetPalette(
  74     LPDIRECTDRAWSURFACE4 iface,LPDIRECTDRAWPALETTE pal
  75 ) {
  76     ICOM_THIS(IDirectDrawSurface4Impl,iface);
  77     DDPRIVATE(This->s.ddraw);
  78     IDirectDrawPaletteImpl* ipal=(IDirectDrawPaletteImpl*)pal;
  79
  80     TRACE("(%p)->(%p)\n",This,ipal);
  81
  82     /* According to spec, we are only supposed to
  83      * AddRef if this is not the same palette.
  84      */
  85     if( This->s.palette != ipal ) {
  86         dga_dp_private  *fppriv;
  87         if( ipal != NULL )
  88             IDirectDrawPalette_AddRef( (IDirectDrawPalette*)ipal );
  89         if( This->s.palette != NULL )
  90             IDirectDrawPalette_Release( (IDirectDrawPalette*)This->s.palette );
  91         This->s.palette = ipal;
  92         fppriv = (dga_dp_private*)This->s.palette->private;
  93
  94         if (!fppriv->cm &&
  95             (This->s.ddraw->d->screen_pixelformat.u.dwRGBBitCount<=8) ) {
  96           int i;
  97
  98           /* Delayed palette creation */
  99           fppriv->cm = TSXDGACreateColormap(display,DefaultScreen(display), ddpriv->dev, AllocAll);
 100
 101           for (i=0;i<256;i++) {
 102             XColor xc;
 103
 104             xc.red              = ipal->palents[i].peRed<<8;
 105             xc.blue             = ipal->palents[i].peBlue<<8;
 106             xc.green    = ipal->palents[i].peGreen<<8;
 107             xc.flags    = DoRed|DoBlue|DoGreen;
 108             xc.pixel    = i;
 109             TSXStoreColor(display,fppriv->cm,&xc);
 110           }
 111         }
 112
 113         TSXDGAInstallColormap(display,DefaultScreen(display),fppriv->cm);
 114
 115         if (This->s.hdc != 0) {
 116             /* hack: set the DIBsection color map */
 117             BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr(This->s.DIBsection, BITMAP_MAGIC);
 118             X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *)bmp->dib;
 119             dib->colorMap = This->s.palette ? This->s.palette->screen_palents : NULL;
 120             GDI_ReleaseObj(This->s.DIBsection);
 121         }
 122         TSXFlush(display);
 123     }
 124     return DD_OK;
 125 }
 126
 127
 128 ICOM_VTABLE(IDirectDrawSurface4) dga2_dds4vt =
 129 {
 130     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 131     IDirectDrawSurface4Impl_QueryInterface,
 132     IDirectDrawSurface4Impl_AddRef,
 133     DGA_IDirectDrawSurface4Impl_Release,
 134     IDirectDrawSurface4Impl_AddAttachedSurface,
 135     IDirectDrawSurface4Impl_AddOverlayDirtyRect,
 136     IDirectDrawSurface4Impl_Blt,
 137     IDirectDrawSurface4Impl_BltBatch,
 138     IDirectDrawSurface4Impl_BltFast,
 139     IDirectDrawSurface4Impl_DeleteAttachedSurface,
 140     IDirectDrawSurface4Impl_EnumAttachedSurfaces,
 141     IDirectDrawSurface4Impl_EnumOverlayZOrders,
 142     DGA2_IDirectDrawSurface4Impl_Flip,
 143     IDirectDrawSurface4Impl_GetAttachedSurface,
 144     IDirectDrawSurface4Impl_GetBltStatus,
 145     IDirectDrawSurface4Impl_GetCaps,
 146     IDirectDrawSurface4Impl_GetClipper,
 147     IDirectDrawSurface4Impl_GetColorKey,
 148     DGA_IDirectDrawSurface4Impl_GetDC,
 149     IDirectDrawSurface4Impl_GetFlipStatus,
 150     IDirectDrawSurface4Impl_GetOverlayPosition,
 151     IDirectDrawSurface4Impl_GetPalette,
 152     IDirectDrawSurface4Impl_GetPixelFormat,
 153     IDirectDrawSurface4Impl_GetSurfaceDesc,
 154     IDirectDrawSurface4Impl_Initialize,
 155     IDirectDrawSurface4Impl_IsLost,
 156     IDirectDrawSurface4Impl_Lock,
 157     IDirectDrawSurface4Impl_ReleaseDC,
 158     IDirectDrawSurface4Impl_Restore,
 159     IDirectDrawSurface4Impl_SetClipper,
 160     IDirectDrawSurface4Impl_SetColorKey,
 161     IDirectDrawSurface4Impl_SetOverlayPosition,
 162     DGA2_IDirectDrawSurface4Impl_SetPalette,
 163     DGA_IDirectDrawSurface4Impl_Unlock,
 164     IDirectDrawSurface4Impl_UpdateOverlay,
 165     IDirectDrawSurface4Impl_UpdateOverlayDisplay,
 166     IDirectDrawSurface4Impl_UpdateOverlayZOrder,
 167     IDirectDrawSurface4Impl_GetDDInterface,
 168     IDirectDrawSurface4Impl_PageLock,
 169     IDirectDrawSurface4Impl_PageUnlock,
 170     IDirectDrawSurface4Impl_SetSurfaceDesc,
 171     IDirectDrawSurface4Impl_SetPrivateData,
 172     IDirectDrawSurface4Impl_GetPrivateData,
 173     IDirectDrawSurface4Impl_FreePrivateData,
 174     IDirectDrawSurface4Impl_GetUniquenessValue,
 175     IDirectDrawSurface4Impl_ChangeUniquenessValue
 176 };