void
ExaCheckCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
DrawablePtr pDrawable = &pWin->drawable;
ScreenPtr pScreen = pDrawable->pScreen;
EXA_PRE_FALLBACK(pScreen);
EXA_FALLBACK(("from %p\n", pWin));
/* Only need the source bits, the destination region will be overwritten */
if (pExaScr->prepare_access_reg) {
PixmapPtr pPixmap = pScreen->GetWindowPixmap(pWin);
int xoff, yoff;
exaGetDrawableDeltas(&pWin->drawable, pPixmap, &xoff, &yoff);
RegionTranslate(prgnSrc, xoff, yoff);
pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, prgnSrc);
RegionTranslate(prgnSrc, -xoff, -yoff);
}
else
exaPrepareAccess(pDrawable, EXA_PREPARE_SRC);
swap(pExaScr, pScreen, CopyWindow);
pScreen->CopyWindow(pWin, ptOldOrg, prgnSrc);
swap(pExaScr, pScreen, CopyWindow);
exaFinishAccess(pDrawable, EXA_PREPARE_SRC);
EXA_POST_FALLBACK(pScreen);
}
void
glWinCopyWindow(WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
ScreenPtr pScreen = pWindow->drawable.pScreen;
glWinScreenRec *screenPriv = &glWinScreens[pScreen->myNum];
__GLXdrawablePrivate *glxPriv;
/* Check if the window is attached and discard any drawing request */
glxPriv = __glXFindDrawablePrivate(pWindow->drawable.id);
if (glxPriv) {
__GLXcontext *gx;
/* GL contexts bound to this window for drawing */
for (gx = glxPriv->drawGlxc; gx != NULL; gx = gx->next) {
/*
GLWIN_DEBUG_MSG("glWinCopyWindow - calling glDrawBuffer\n");
glDrawBuffer(GL_FRONT);
*/
return;
}
/* GL contexts bound to this window for reading */
for (gx = glxPriv->readGlxc; gx != NULL; gx = gx->next) {
return;
}
}
GLWIN_DEBUG_MSG("glWinCopyWindow - passing to hw layer\n");
pScreen->CopyWindow = screenPriv->CopyWindow;
pScreen->CopyWindow(pWindow, ptOldOrg, prgnSrc);
pScreen->CopyWindow = glWinCopyWindow;
}
void
rdpCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr pOldRegion)
{
RegionRec reg;
RegionRec clip;
int dx;
int dy;
int i;
int j;
int num_clip_rects;
int num_reg_rects;
BoxRec box1;
BoxRec box2;
DEBUG_OUT_OPS(("in rdpCopyWindow\n"));
RegionInit(®, NullBox, 0);
RegionCopy(®, pOldRegion);
g_pScreen->CopyWindow = g_rdpScreen.CopyWindow;
g_pScreen->CopyWindow(pWin, ptOldOrg, pOldRegion);
RegionInit(&clip, NullBox, 0);
RegionCopy(&clip, &pWin->borderClip);
dx = pWin->drawable.x - ptOldOrg.x;
dy = pWin->drawable.y - ptOldOrg.y;
rdpup_begin_update();
num_clip_rects = REGION_NUM_RECTS(&clip);
num_reg_rects = REGION_NUM_RECTS(®);
/* should maybe sort the rects instead of checking dy < 0 */
/* If we can depend on the rects going from top to bottom, left
to right we are ok */
if (dy < 0 || (dy == 0 && dx < 0))
{
for (j = 0; j < num_clip_rects; j++)
{
box1 = REGION_RECTS(&clip)[j];
rdpup_set_clip(box1.x1, box1.y1, box1.x2 - box1.x1, box1.y2 - box1.y1);
for (i = 0; i < num_reg_rects; i++)
{
box2 = REGION_RECTS(®)[i];
rdpup_screen_blt(box2.x1 + dx, box2.y1 + dy, box2.x2 - box2.x1,
box2.y2 - box2.y1, box2.x1, box2.y1);
}
}
}
else
{
for (j = num_clip_rects - 1; j >= 0; j--)
{
box1 = REGION_RECTS(&clip)[j];
rdpup_set_clip(box1.x1, box1.y1, box1.x2 - box1.x1, box1.y2 - box1.y1);
for (i = num_reg_rects - 1; i >= 0; i--)
{
box2 = REGION_RECTS(®)[i];
rdpup_screen_blt(box2.x1 + dx, box2.y1 + dy, box2.x2 - box2.x1,
box2.y2 - box2.y1, box2.x1, box2.y1);
}
}
}
rdpup_reset_clip();
rdpup_end_update();
RegionUninit(®);
RegionUninit(&clip);
g_pScreen->CopyWindow = rdpCopyWindow;
}