dlls/ddraw/dsurface/dga.c

   1 /*              DirectDrawSurface XF86DGA implementation
   2  *
   3  * Copyright 1997-2000 Marcus Meissner
   4  * Copyright 1998-2000 Lionel Ulmer (most of Direct3D stuff)
   5  */
   6 #include "config.h"
   7 #include "winerror.h"
   8
   9 #include <unistd.h>
  10 #include <assert.h>
  11 #include <fcntl.h>
  12 #include <string.h>
  13 #include <stdlib.h>
  14 #include <stdio.h>
  15
  16 #include "debugtools.h"
  17 #include "dga_private.h"
  18 #include "bitmap.h"
  19
  20 DEFAULT_DEBUG_CHANNEL(ddraw);
  21
  22 #define DDPRIVATE(x) dga_dd_private *ddpriv = ((dga_dd_private*)(x)->d->private)
  23 #define DPPRIVATE(x) dga_dp_private *dppriv = ((dga_dp_private*)(x)->private)
  24 #define DSPRIVATE(x) dga_ds_private *dspriv = ((dga_ds_private*)(x)->private)
  25
  26 static BYTE DGA_TouchSurface(LPDIRECTDRAWSURFACE4 iface)
  27 {
  28     ICOM_THIS(IDirectDrawSurface4Impl,iface);
  29     /* if the DIB section is in GdiMod state, we must
  30      * touch the surface to get any updates from the DIB */
  31     return *(BYTE*)(This->s.surface_desc.u1.lpSurface);
  32 }
  33
  34 /******************************************************************************
  35  *              IDirectDrawSurface methods
  36  *
  37  * Since DDS3 and DDS2 are supersets of DDS, we implement DDS3 and let
  38  * DDS and DDS2 use those functions. (Function calls did not change (except
  39  * using different DirectDrawSurfaceX version), just added flags and functions)
  40  */
  41
  42 HRESULT WINAPI DGA_IDirectDrawSurface4Impl_Flip(
  43     LPDIRECTDRAWSURFACE4 iface,LPDIRECTDRAWSURFACE4 flipto,DWORD dwFlags
  44 ) {
  45     ICOM_THIS(IDirectDrawSurface4Impl,iface);
  46     DSPRIVATE(This);
  47     dga_ds_private      *fspriv;
  48     IDirectDrawSurface4Impl* iflipto=(IDirectDrawSurface4Impl*)flipto;
  49     DWORD               xheight;
  50     LPBYTE              surf;
  51
  52     TRACE("(%p)->Flip(%p,%08lx)\n",This,iflipto,dwFlags);
  53
  54     DGA_TouchSurface(iface);
  55     iflipto = _common_find_flipto(This,iflipto);
  56
  57     /* and flip! */
  58     fspriv = (dga_ds_private*)iflipto->private;
  59     TSXF86DGASetViewPort(display,DefaultScreen(display),0,fspriv->fb_height);
  60     if (iflipto->s.palette) {
  61         DPPRIVATE(iflipto);
  62
  63         if (dppriv->cm)
  64             TSXF86DGAInstallColormap(display,DefaultScreen(display),dppriv->cm);
  65     }
  66     while (!TSXF86DGAViewPortChanged(display,DefaultScreen(display),2)) {
  67         /* EMPTY */
  68     }
  69     /* We need to switch the lowlevel surfaces, for DGA this is: */
  70
  71     /* The height within the framebuffer */
  72     xheight             = dspriv->fb_height;
  73     dspriv->fb_height   = fspriv->fb_height;
  74     fspriv->fb_height   = xheight;
  75
  76     /* And the assciated surface pointer */
  77     surf                                = This->s.surface_desc.u1.lpSurface;
  78     This->s.surface_desc.u1.lpSurface   = iflipto->s.surface_desc.u1.lpSurface;
  79     iflipto->s.surface_desc.u1.lpSurface= surf;
  80     return DD_OK;
  81 }
  82
  83 HRESULT WINAPI DGA_IDirectDrawSurface4Impl_SetPalette(
  84     LPDIRECTDRAWSURFACE4 iface,LPDIRECTDRAWPALETTE pal
  85 ) {
  86     ICOM_THIS(IDirectDrawSurface4Impl,iface);
  87     IDirectDrawPaletteImpl* ipal=(IDirectDrawPaletteImpl*)pal;
  88
  89     TRACE("(%p)->(%p)\n",This,ipal);
  90
  91     /* According to spec, we are only supposed to
  92      * AddRef if this is not the same palette.
  93      */
  94     if( This->s.palette != ipal ) {
  95         dga_dp_private  *fppriv;
  96         if( ipal != NULL )
  97             IDirectDrawPalette_AddRef( (IDirectDrawPalette*)ipal );
  98         if( This->s.palette != NULL )
  99             IDirectDrawPalette_Release( (IDirectDrawPalette*)This->s.palette );
 100         This->s.palette = ipal;
 101         fppriv = (dga_dp_private*)This->s.palette->private;
 102
 103         if (!fppriv->cm &&
 104             (This->s.ddraw->d->screen_pixelformat.u.dwRGBBitCount<=8) ) {
 105           int i;
 106
 107           /* Delayed palette creation */
 108           fppriv->cm = TSXCreateColormap(display,DefaultRootWindow(display),
 109                                          DefaultVisualOfScreen(X11DRV_GetXScreen()),AllocAll);
 110
 111           for (i=0;i<256;i++) {
 112             XColor xc;
 113
 114             xc.red              = ipal->palents[i].peRed<<8;
 115             xc.blue             = ipal->palents[i].peBlue<<8;
 116             xc.green    = ipal->palents[i].peGreen<<8;
 117             xc.flags    = DoRed|DoBlue|DoGreen;
 118             xc.pixel    = i;
 119             TSXStoreColor(display,fppriv->cm,&xc);
 120           }
 121         }
 122
 123         TSXF86DGAInstallColormap(display,DefaultScreen(display),fppriv->cm);
 124
 125         if (This->s.hdc != 0) {
 126             /* hack: set the DIBsection color map */
 127             BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr(This->s.DIBsection, BITMAP_MAGIC);
 128             X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *)bmp->dib;
 129             dib->colorMap = This->s.palette ? This->s.palette->screen_palents : NULL;
 130             GDI_ReleaseObj(This->s.DIBsection);
 131         }
 132         TSXFlush(display);
 133     }
 134     return DD_OK;
 135 }
 136
 137 ULONG WINAPI DGA_IDirectDrawSurface4Impl_Release(LPDIRECTDRAWSURFACE4 iface) {
 138     ICOM_THIS(IDirectDrawSurface4Impl,iface);
 139     DDPRIVATE(This->s.ddraw);
 140     DSPRIVATE(This);
 141
 142     TRACE("(%p)->() decrementing from %lu.\n", This, This->ref );
 143
 144     if (--(This->ref))
 145         return This->ref;
 146
 147     IDirectDraw2_Release((IDirectDraw2*)This->s.ddraw);
 148     /* clear out of surface list */
 149     if (ddpriv->fb_height == -1)
 150         VirtualFree(This->s.surface_desc.u1.lpSurface, 0, MEM_RELEASE);
 151     else
 152         ddpriv->vpmask &= ~(1<<(dspriv->fb_height/ddpriv->fb_height));
 153
 154     /* Free the DIBSection (if any) */
 155     if (This->s.hdc != 0) {
 156         /* hack: restore the original DIBsection color map */
 157         BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr(This->s.DIBsection, BITMAP_MAGIC);
 158         X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *)bmp->dib;
 159         dib->colorMap = dspriv->oldDIBmap;
 160         GDI_ReleaseObj(This->s.DIBsection);
 161
 162         SelectObject(This->s.hdc, This->s.holdbitmap);
 163         DeleteDC(This->s.hdc);
 164         DeleteObject(This->s.DIBsection);
 165     }
 166     /* Free the clipper if attached to this surface */
 167     if( This->s.lpClipper )
 168         IDirectDrawClipper_Release(This->s.lpClipper);
 169     HeapFree(GetProcessHeap(),0,This);
 170     return S_OK;
 171 }
 172
 173 HRESULT WINAPI DGA_IDirectDrawSurface4Impl_Unlock(
 174     LPDIRECTDRAWSURFACE4 iface,LPVOID surface
 175 ) {
 176     ICOM_THIS(IDirectDrawSurface4Impl,iface);
 177     TRACE("(%p)->Unlock(%p)\n",This,surface);
 178
 179     /* in case this was called from ReleaseDC */
 180     DGA_TouchSurface(iface);
 181
 182     return DD_OK;
 183 }
 184
 185 HRESULT WINAPI DGA_IDirectDrawSurface4Impl_GetDC(LPDIRECTDRAWSURFACE4 iface,HDC* lphdc) {
 186     ICOM_THIS(IDirectDrawSurface4Impl,iface);
 187     DSPRIVATE(This);
 188     int was_ok = This->s.hdc != 0;
 189     HRESULT result = IDirectDrawSurface4Impl_GetDC(iface,lphdc);
 190     if (This->s.hdc && !was_ok) {
 191         /* hack: take over the DIBsection color map */
 192         BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr(This->s.DIBsection, BITMAP_MAGIC);
 193         X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *)bmp->dib;
 194         dspriv->oldDIBmap = dib->colorMap;
 195         dib->colorMap = This->s.palette ? This->s.palette->screen_palents : NULL;
 196         GDI_ReleaseObj(This->s.DIBsection);
 197     }
 198     return result;
 199 }
 200
 201 ICOM_VTABLE(IDirectDrawSurface4) dga_dds4vt =
 202 {
 203     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 204     IDirectDrawSurface4Impl_QueryInterface,
 205     IDirectDrawSurface4Impl_AddRef,
 206     DGA_IDirectDrawSurface4Impl_Release,
 207     IDirectDrawSurface4Impl_AddAttachedSurface,
 208     IDirectDrawSurface4Impl_AddOverlayDirtyRect,
 209     IDirectDrawSurface4Impl_Blt,
 210     IDirectDrawSurface4Impl_BltBatch,
 211     IDirectDrawSurface4Impl_BltFast,
 212     IDirectDrawSurface4Impl_DeleteAttachedSurface,
 213     IDirectDrawSurface4Impl_EnumAttachedSurfaces,
 214     IDirectDrawSurface4Impl_EnumOverlayZOrders,
 215     DGA_IDirectDrawSurface4Impl_Flip,
 216     IDirectDrawSurface4Impl_GetAttachedSurface,
 217     IDirectDrawSurface4Impl_GetBltStatus,
 218     IDirectDrawSurface4Impl_GetCaps,
 219     IDirectDrawSurface4Impl_GetClipper,
 220     IDirectDrawSurface4Impl_GetColorKey,
 221     DGA_IDirectDrawSurface4Impl_GetDC,
 222     IDirectDrawSurface4Impl_GetFlipStatus,
 223     IDirectDrawSurface4Impl_GetOverlayPosition,
 224     IDirectDrawSurface4Impl_GetPalette,
 225     IDirectDrawSurface4Impl_GetPixelFormat,
 226     IDirectDrawSurface4Impl_GetSurfaceDesc,
 227     IDirectDrawSurface4Impl_Initialize,
 228     IDirectDrawSurface4Impl_IsLost,
 229     IDirectDrawSurface4Impl_Lock,
 230     IDirectDrawSurface4Impl_ReleaseDC,
 231     IDirectDrawSurface4Impl_Restore,
 232     IDirectDrawSurface4Impl_SetClipper,
 233     IDirectDrawSurface4Impl_SetColorKey,
 234     IDirectDrawSurface4Impl_SetOverlayPosition,
 235     DGA_IDirectDrawSurface4Impl_SetPalette,
 236     DGA_IDirectDrawSurface4Impl_Unlock,
 237     IDirectDrawSurface4Impl_UpdateOverlay,
 238     IDirectDrawSurface4Impl_UpdateOverlayDisplay,
 239     IDirectDrawSurface4Impl_UpdateOverlayZOrder,
 240     IDirectDrawSurface4Impl_GetDDInterface,
 241     IDirectDrawSurface4Impl_PageLock,
 242     IDirectDrawSurface4Impl_PageUnlock,
 243     IDirectDrawSurface4Impl_SetSurfaceDesc,
 244     IDirectDrawSurface4Impl_SetPrivateData,
 245     IDirectDrawSurface4Impl_GetPrivateData,
 246     IDirectDrawSurface4Impl_FreePrivateData,
 247     IDirectDrawSurface4Impl_GetUniquenessValue,
 248     IDirectDrawSurface4Impl_ChangeUniquenessValue
 249 };