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winex11.drv: Add support for XShm pixmaps. 

Most of this is "Copyright 2004 Huw Davies for CodeWeavers", I just did a
little bit of integration.
This commit is contained in:
Henri Verbeet 2009-08-06 08:12:22 +02:00 committed by Alexandre Julliard
parent 4c1b3de936
commit 9fd29492c1
2 changed files with 193 additions and 101 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

126
dlls/winex11.drv/dib.c
View File

@ -84,9 +84,10 @@ typedef struct
DWORD rMask;
DWORD gMask;
DWORD bMask;
BOOL useShm;
enum x11drv_shm_mode shm_mode;
int dibpitch;
DWORD sizeImage;
X_PHYSBITMAP *physBitmap;
} X11DRV_DIB_IMAGEBITS_DESCR;
@ -3532,6 +3533,7 @@ static void X11DRV_DIB_SetImageBits_GetSubImage(
static int X11DRV_DIB_SetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
{
int lines = descr->lines >= 0 ? descr->lines : -descr->lines;
void *old_data = NULL;
XImage *bmpImage;
wine_tsx11_lock();
@ -3556,6 +3558,22 @@ static int X11DRV_DIB_SetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
bmpImage->depth,bmpImage->bits_per_pixel,
bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask);
#ifdef HAVE_LIBXXSHM
if (descr->shm_mode == X11DRV_SHM_PIXMAP
&& descr->xSrc == 0 && descr->ySrc == 0
&& descr->xDest == 0 && descr->yDest == 0)
{
TRACE("Using the shared pixmap data.\n");
wine_tsx11_lock();
XSync( gdi_display, False );
wine_tsx11_unlock();
old_data = descr->image->data;
descr->image->data = descr->physBitmap->shminfo.shmaddr;
}
#endif
/* Transfer the pixels */
__TRY
{
@ -3635,7 +3653,13 @@ static int X11DRV_DIB_SetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
if (lines)
{
#ifdef HAVE_LIBXXSHM
if (descr->image && descr->useShm)
if (descr->shm_mode == X11DRV_SHM_PIXMAP
&& descr->xSrc == 0 && descr->ySrc == 0
&& descr->xDest == 0 && descr->yDest == 0)
{
XSync( gdi_display, False );
}
else if (descr->shm_mode == X11DRV_SHM_IMAGE && descr->image)
{
XShmPutImage( gdi_display, descr->drawable, descr->gc, bmpImage,
descr->xSrc, descr->ySrc, descr->xDest, descr->yDest,
@ -3644,10 +3668,15 @@ static int X11DRV_DIB_SetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
}
else
#endif
{
XPutImage( gdi_display, descr->drawable, descr->gc, bmpImage,
descr->xSrc, descr->ySrc, descr->xDest, descr->yDest,
descr->width, descr->height );
}
}
if (old_data) descr->image->data = old_data;
if (!descr->image) X11DRV_DIB_DestroyXImage( bmpImage );
wine_tsx11_unlock();
return lines;
@ -3661,6 +3690,7 @@ static int X11DRV_DIB_SetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
static int X11DRV_DIB_GetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
{
int lines = descr->lines >= 0 ? descr->lines : -descr->lines;
void *old_data = NULL;
XImage *bmpImage;
wine_tsx11_lock();
@ -3682,8 +3712,20 @@ static int X11DRV_DIB_GetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
/* We must not call XShmGetImage() with a bitmap which is bigger than the available area.
If we do, XShmGetImage() will fail (X exception), as it checks for this internally. */
if((descr->image && descr->useShm) && (bmpImage->width <= (descr->width - descr->xSrc))
&& (bmpImage->height <= (descr->height - descr->ySrc)))
if (descr->shm_mode == X11DRV_SHM_PIXMAP && descr->image
&& descr->xSrc == 0 && descr->ySrc == 0
&& descr->xDest == 0 && descr->yDest == 0
&& bmpImage->width <= (descr->width - descr->xSrc)
&& bmpImage->height <= (descr->height - descr->ySrc))
{
XSync( gdi_display, False );
old_data = bmpImage->data;
bmpImage->data = descr->physBitmap->shminfo.shmaddr;
TRACE("Using shared pixmap data.\n");
}
else if (descr->shm_mode == X11DRV_SHM_IMAGE && descr->image
&& bmpImage->width <= (descr->width - descr->xSrc)
&& bmpImage->height <= (descr->height - descr->ySrc))
{
int saveRed, saveGreen, saveBlue;
@ -3786,6 +3828,7 @@ static int X11DRV_DIB_GetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
break;
}
if (old_data) bmpImage->data = old_data;
if (!descr->image) X11DRV_DIB_DestroyXImage( bmpImage );
return lines;
}
@ -3903,8 +3946,9 @@ INT CDECL X11DRV_SetDIBitsToDevice( X11DRV_PDEVICE *physDev, INT xDest, INT yDes
descr.yDest = physDev->dc_rect.top + pt.y;
descr.width = cx;
descr.height = cy;
descr.useShm = FALSE;
descr.shm_mode = X11DRV_SHM_NONE;
descr.dibpitch = ((width * descr.infoBpp + 31) &~31) / 8;
descr.physBitmap = NULL;
result = X11DRV_DIB_SetImageBits( &descr );
@ -3991,8 +4035,9 @@ INT CDECL X11DRV_SetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT start
descr.yDest = height - startscan - lines;
descr.width = ds.dsBm.bmWidth;
descr.height = lines;
descr.useShm = FALSE;
descr.shm_mode = X11DRV_SHM_NONE;
descr.dibpitch = ((descr.infoWidth * descr.infoBpp + 31) &~31) / 8;
descr.physBitmap = NULL;
X11DRV_DIB_Lock( physBitmap, DIB_Status_GdiMod );
result = X11DRV_DIB_SetImageBits( &descr );
@ -4145,6 +4190,7 @@ INT CDECL X11DRV_GetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT start
descr.yDest = 0;
descr.xSrc = 0;
descr.sizeImage = core_header ? 0 : info->bmiHeader.biSizeImage;
descr.physBitmap = physBitmap;
if (descr.lines > 0)
{
@ -4154,11 +4200,7 @@ INT CDECL X11DRV_GetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT start
{
descr.ySrc = startscan;
}
#ifdef HAVE_LIBXXSHM
descr.useShm = (obj_size == sizeof(DIBSECTION)) && (physBitmap->shminfo.shmid != -1);
#else
descr.useShm = FALSE;
#endif
descr.shm_mode = physBitmap->shm_mode;
descr.dibpitch = (obj_size == sizeof(DIBSECTION)) ? dib.dsBm.bmWidthBytes
: (((descr.infoWidth * descr.infoBpp + 31) &~31) / 8);
@ -4216,6 +4258,7 @@ static void X11DRV_DIB_DoCopyDIBSection(X_PHYSBITMAP *physBitmap, BOOL toDIB,
descr.bits = dibSection.dsBm.bmBits;
descr.depth = physBitmap->pixmap_depth;
descr.compression = dibSection.dsBmih.biCompression;
descr.physBitmap = physBitmap;
if(descr.infoBpp == 1)
descr.colorMap = (void*)identity;
@ -4253,10 +4296,12 @@ static void X11DRV_DIB_DoCopyDIBSection(X_PHYSBITMAP *physBitmap, BOOL toDIB,
descr.height = height;
descr.sizeImage = 0;
descr.shm_mode = physBitmap->shm_mode;
#ifdef HAVE_LIBXXSHM
descr.useShm = (physBitmap->shminfo.shmid != -1);
#else
descr.useShm = FALSE;
if (physBitmap->shm_mode == X11DRV_SHM_PIXMAP && physBitmap->pixmap != dest)
{
descr.shm_mode = X11DRV_SHM_IMAGE;
}
#endif
descr.dibpitch = dibSection.dsBm.bmWidthBytes;
@ -4645,7 +4690,7 @@ static XImage *X11DRV_XShmCreateImage( int width, int height, int bpp,
IPC_CREAT|0700);
if( shminfo->shmid != -1 )
{
shminfo->shmaddr = image->data = shmat(shminfo->shmid, 0, 0);
shminfo->shmaddr = shmat( shminfo->shmid, 0, 0 );
if( shminfo->shmaddr != (char*)-1 )
{
BOOL ok;
@ -4683,6 +4728,10 @@ HBITMAP CDECL X11DRV_CreateDIBSection( X11DRV_PDEVICE *physDev, HBITMAP hbitmap,
{
X_PHYSBITMAP *physBitmap;
DIBSECTION dib;
#ifdef HAVE_LIBXXSHM
int major, minor;
Bool pixmaps;
#endif
if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return 0;
physBitmap->status = DIB_Status_None;
@ -4700,16 +4749,49 @@ HBITMAP CDECL X11DRV_CreateDIBSection( X11DRV_PDEVICE *physDev, HBITMAP hbitmap,
/* create pixmap and X image */
wine_tsx11_lock();
physBitmap->pixmap_depth = (dib.dsBm.bmBitsPixel == 1) ? 1 : screen_depth;
physBitmap->pixmap = XCreatePixmap( gdi_display, root_window, dib.dsBm.bmWidth,
dib.dsBm.bmHeight, physBitmap->pixmap_depth );
#ifdef HAVE_LIBXXSHM
physBitmap->shminfo.shmid = -1;
if (!XShmQueryExtension(gdi_display) ||
!(physBitmap->image = X11DRV_XShmCreateImage( dib.dsBm.bmWidth, dib.dsBm.bmHeight,
physBitmap->pixmap_depth, &physBitmap->shminfo )) )
if (XShmQueryVersion( gdi_display, &major, &minor, &pixmaps )
&& (physBitmap->image = X11DRV_XShmCreateImage( dib.dsBm.bmWidth, dib.dsBm.bmHeight,
physBitmap->pixmap_depth, &physBitmap->shminfo )))
{
if (pixmaps)
{
physBitmap->shm_mode = X11DRV_SHM_PIXMAP;
physBitmap->image->data = HeapAlloc( GetProcessHeap(), 0,
dib.dsBm.bmHeight * physBitmap->image->bytes_per_line );
}
else
{
physBitmap->shm_mode = X11DRV_SHM_IMAGE;
physBitmap->image->data = physBitmap->shminfo.shmaddr;
}
}
else
#endif
{
physBitmap->shm_mode = X11DRV_SHM_NONE;
physBitmap->image = X11DRV_DIB_CreateXImage( dib.dsBm.bmWidth, dib.dsBm.bmHeight,
physBitmap->pixmap_depth );
}
#ifdef HAVE_LIBXXSHM
if (physBitmap->shm_mode == X11DRV_SHM_PIXMAP)
{
TRACE("Creating shared pixmap for bmp %p.\n", physBitmap->hbitmap);
physBitmap->pixmap = XShmCreatePixmap( gdi_display, root_window,
physBitmap->shminfo.shmaddr, &physBitmap->shminfo,
dib.dsBm.bmWidth, dib.dsBm.bmHeight,
physBitmap->pixmap_depth );
}
else
#endif
{
physBitmap->pixmap = XCreatePixmap( gdi_display, root_window, dib.dsBm.bmWidth,
dib.dsBm.bmHeight, physBitmap->pixmap_depth );
}
wine_tsx11_unlock();
if (!physBitmap->pixmap || !physBitmap->image) return 0;
@ -4760,9 +4842,11 @@ void X11DRV_DIB_DeleteDIBSection(X_PHYSBITMAP *physBitmap, DIBSECTION *dib)
if (physBitmap->shminfo.shmid != -1)
{
XShmDetach( gdi_display, &(physBitmap->shminfo) );
XDestroyImage( physBitmap->image );
if (physBitmap->shm_mode == X11DRV_SHM_PIXMAP) X11DRV_DIB_DestroyXImage( physBitmap->image );
else XDestroyImage( physBitmap->image );
shmdt( physBitmap->shminfo.shmaddr );
physBitmap->shminfo.shmid = -1;
physBitmap->shm_mode = X11DRV_SHM_NONE;
}
else
#endif

8
dlls/winex11.drv/x11drv.h
View File

@ -92,6 +92,13 @@ typedef struct
Pixmap pixmap;
} X_PHYSBRUSH;
enum x11drv_shm_mode
{
X11DRV_SHM_NONE = 0,
X11DRV_SHM_PIXMAP,
X11DRV_SHM_IMAGE,
};
/* X physical bitmap */
typedef struct
{
@ -105,6 +112,7 @@ typedef struct
int *colorMap; /* color map info */
int nColorMap;
CRITICAL_SECTION lock; /* GDI access lock */
enum x11drv_shm_mode shm_mode;
#ifdef HAVE_LIBXXSHM
XShmSegmentInfo shminfo; /* shared memory segment info */
#endif