mirror of
https://gitlab.freedesktop.org/xorg/xserver.git
synced 2026-05-05 00:38:00 +02:00
Add alternative window support to dmxGetImage.
This commit is contained in:
David Reveman
parent
fc99433dbd
commit
2fa16f2e29
1 changed files with 127 additions and 81 deletions
|
|
@ -545,39 +545,67 @@ void dmxPushPixels(GCPtr pGC, PixmapPtr pBitmap, DrawablePtr pDst,
|
|||
* Miscellaneous drawing commands
|
||||
*/
|
||||
|
||||
/** When Xinerama is active, the client pixmaps are always obtained from
|
||||
* screen 0. When screen 0 is detached, the pixmaps must be obtained
|
||||
* from any other screen that is not detached. Usually, this is screen
|
||||
* 1. */
|
||||
static DMXScreenInfo *dmxFindAlternatePixmap(DrawablePtr pDrawable, XID *draw)
|
||||
static DMXScreenInfo *
|
||||
dmxGetAlternateWindow (DrawablePtr pDrawable,
|
||||
int i,
|
||||
XID *draw)
|
||||
{
|
||||
#ifdef PANORAMIX
|
||||
PanoramiXRes *pXinPix;
|
||||
int i;
|
||||
DMXScreenInfo *dmxScreen;
|
||||
|
||||
if (noPanoramiXExtension) return NULL;
|
||||
if (pDrawable->type != DRAWABLE_PIXMAP) return NULL;
|
||||
|
||||
if (!(pXinPix = (PanoramiXRes *)LookupIDByType(pDrawable->id, XRT_PIXMAP)))
|
||||
return NULL;
|
||||
|
||||
for (i = 1; i < PanoramiXNumScreens; i++) {
|
||||
dmxScreen = &dmxScreens[i];
|
||||
if (dmxScreen->beDisplay) {
|
||||
PixmapPtr pSrc;
|
||||
dmxPixPrivPtr pSrcPriv;
|
||||
#ifdef PANORAMIX
|
||||
PanoramiXRes *pXinWin;
|
||||
DMXScreenInfo *dmxScreen = &dmxScreens[i];
|
||||
|
||||
pSrc = (PixmapPtr)LookupIDByType(pXinPix->info[i].id,
|
||||
RT_PIXMAP);
|
||||
pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc);
|
||||
if (pSrcPriv->pixmap) {
|
||||
*draw = pSrcPriv->pixmap;
|
||||
return dmxScreen;
|
||||
}
|
||||
}
|
||||
if (noPanoramiXExtension) return NULL;
|
||||
if (!dmxScreen->beDisplay) return NULL;
|
||||
|
||||
if ((pXinWin = (PanoramiXRes *) LookupIDByType (pDrawable->id,
|
||||
XRT_WINDOW)))
|
||||
{
|
||||
WindowPtr pSrc;
|
||||
dmxWinPrivPtr pSrcPriv;
|
||||
|
||||
pSrc = (WindowPtr) LookupIDByType (pXinWin->info[i].id, RT_WINDOW);
|
||||
pSrcPriv = DMX_GET_WINDOW_PRIV (pSrc);
|
||||
if (pSrcPriv->window)
|
||||
{
|
||||
*draw = pSrcPriv->window;
|
||||
return dmxScreen;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static DMXScreenInfo *
|
||||
dmxGetAlternatePixmap (DrawablePtr pDrawable,
|
||||
int i,
|
||||
XID *draw)
|
||||
{
|
||||
|
||||
#ifdef PANORAMIX
|
||||
PanoramiXRes *pXinPix;
|
||||
DMXScreenInfo *dmxScreen = &dmxScreens[i];
|
||||
|
||||
if (noPanoramiXExtension) return NULL;
|
||||
if (!dmxScreen->beDisplay) return NULL;
|
||||
|
||||
if ((pXinPix = (PanoramiXRes *) LookupIDByType (pDrawable->id,
|
||||
XRT_PIXMAP)))
|
||||
{
|
||||
PixmapPtr pSrc;
|
||||
dmxPixPrivPtr pSrcPriv;
|
||||
|
||||
pSrc = (PixmapPtr) LookupIDByType (pXinPix->info[i].id, RT_PIXMAP);
|
||||
pSrcPriv = DMX_GET_PIXMAP_PRIV (pSrc);
|
||||
if (pSrcPriv->pixmap)
|
||||
{
|
||||
*draw = pSrcPriv->pixmap;
|
||||
return dmxScreen;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
|
@ -589,9 +617,9 @@ static DMXScreenInfo *dmxFindAlternatePixmap(DrawablePtr pDrawable, XID *draw)
|
|||
void dmxGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
|
||||
unsigned int format, unsigned long planeMask, char *pdstLine)
|
||||
{
|
||||
DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
|
||||
Drawable draw;
|
||||
xcb_get_image_reply_t *reply;
|
||||
DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
|
||||
Drawable draw;
|
||||
int i = 0;
|
||||
|
||||
/* Cannot get image from unviewable window */
|
||||
if (pDrawable->type == DRAWABLE_WINDOW) {
|
||||
|
|
@ -606,72 +634,90 @@ void dmxGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
|
|||
return;
|
||||
}
|
||||
}
|
||||
DMX_GCOPS_SET_DRAWABLE(&pWindow->drawable, draw);
|
||||
DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
|
||||
if (DMX_GCOPS_OFFSCREEN(&pWindow->drawable))
|
||||
return;
|
||||
draw = None;
|
||||
} else {
|
||||
DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
|
||||
if (DMX_GCOPS_OFFSCREEN(pDrawable)) {
|
||||
/* Try to find the pixmap on a non-detached Xinerama screen */
|
||||
dmxScreen = dmxFindAlternatePixmap(pDrawable, &draw);
|
||||
if (!dmxScreen) return;
|
||||
}
|
||||
if (DMX_GCOPS_OFFSCREEN(pDrawable))
|
||||
draw = None;
|
||||
}
|
||||
|
||||
reply = xcb_get_image_reply (dmxScreen->connection,
|
||||
xcb_get_image (dmxScreen->connection,
|
||||
format,
|
||||
draw,
|
||||
sx, sy, w, h,
|
||||
planeMask),
|
||||
NULL);
|
||||
if (reply)
|
||||
|
||||
while (i < dmxNumScreens)
|
||||
{
|
||||
const xcb_setup_t *setup = xcb_get_setup (dmxScreen->connection);
|
||||
uint32_t bytes = xcb_get_image_data_length (reply);
|
||||
uint8_t *data = xcb_get_image_data (reply);
|
||||
xcb_get_image_reply_t *reply;
|
||||
|
||||
/* based on code in xcb_image.c, Copyright (C) 2007 Bart Massey */
|
||||
switch (format) {
|
||||
case XCB_IMAGE_FORMAT_XY_PIXMAP:
|
||||
planeMask &= xcb_mask (reply->depth);
|
||||
if (planeMask != xcb_mask (reply->depth))
|
||||
{
|
||||
uint32_t rpm = planeMask;
|
||||
uint8_t *src_plane = data;
|
||||
uint8_t *dst_plane = (uint8_t *) pdstLine;
|
||||
uint32_t scanline_pad = setup->bitmap_format_scanline_pad;
|
||||
uint32_t stride = xcb_roundup (w, scanline_pad) >> 3;
|
||||
uint32_t size = h * stride;
|
||||
int i;
|
||||
if (!draw)
|
||||
{
|
||||
if (pDrawable->type == DRAWABLE_WINDOW)
|
||||
dmxScreen = dmxGetAlternateWindow (pDrawable, i++, &draw);
|
||||
else
|
||||
dmxScreen = dmxGetAlternatePixmap (pDrawable, i++, &draw);
|
||||
|
||||
if (setup->image_byte_order == XCB_IMAGE_ORDER_MSB_FIRST)
|
||||
rpm = xcb_bit_reverse (planeMask, reply->depth);
|
||||
if (!dmxScreen) continue;
|
||||
}
|
||||
|
||||
for (i = 0; i < reply->depth; i++)
|
||||
reply = xcb_get_image_reply (dmxScreen->connection,
|
||||
xcb_get_image (dmxScreen->connection,
|
||||
format,
|
||||
draw,
|
||||
sx, sy, w, h,
|
||||
planeMask),
|
||||
NULL);
|
||||
if (reply)
|
||||
{
|
||||
const xcb_setup_t *setup = xcb_get_setup (dmxScreen->connection);
|
||||
uint32_t bytes = xcb_get_image_data_length (reply);
|
||||
uint8_t *data = xcb_get_image_data (reply);
|
||||
|
||||
/* based on code in xcb_image.c, Copyright (C) 2007 Bart Massey */
|
||||
switch (format) {
|
||||
case XCB_IMAGE_FORMAT_XY_PIXMAP:
|
||||
planeMask &= xcb_mask (reply->depth);
|
||||
if (planeMask != xcb_mask (reply->depth))
|
||||
{
|
||||
if (rpm & 1)
|
||||
{
|
||||
memcpy (dst_plane, src_plane, size);
|
||||
src_plane += size;
|
||||
}
|
||||
else
|
||||
{
|
||||
memset (dst_plane, 0, size);
|
||||
}
|
||||
uint32_t rpm = planeMask;
|
||||
uint8_t *src_plane = data;
|
||||
uint8_t *dst_plane = (uint8_t *) pdstLine;
|
||||
uint32_t scanline_pad = setup->bitmap_format_scanline_pad;
|
||||
uint32_t stride = xcb_roundup (w, scanline_pad) >> 3;
|
||||
uint32_t size = h * stride;
|
||||
int i;
|
||||
|
||||
dst_plane += size;
|
||||
if (setup->image_byte_order == XCB_IMAGE_ORDER_MSB_FIRST)
|
||||
rpm = xcb_bit_reverse (planeMask, reply->depth);
|
||||
|
||||
for (i = 0; i < reply->depth; i++)
|
||||
{
|
||||
if (rpm & 1)
|
||||
{
|
||||
memcpy (dst_plane, src_plane, size);
|
||||
src_plane += size;
|
||||
}
|
||||
else
|
||||
{
|
||||
memset (dst_plane, 0, size);
|
||||
}
|
||||
|
||||
dst_plane += size;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/* fall through */
|
||||
case XCB_IMAGE_FORMAT_Z_PIXMAP:
|
||||
memmove (pdstLine, data, bytes);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
/* fall through */
|
||||
case XCB_IMAGE_FORMAT_Z_PIXMAP:
|
||||
memmove (pdstLine, data, bytes);
|
||||
default:
|
||||
free (reply);
|
||||
break;
|
||||
}
|
||||
|
||||
free (reply);
|
||||
if (pDrawable->type != DRAWABLE_WINDOW)
|
||||
break;
|
||||
|
||||
draw = None;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue