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Xnest: replace XSetClipRectangles() by xnset_set_clip_rectangles() 

Use XCB for setting clip rectangles.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2024-08-05 15:07:30 +02:00
parent 3dda537e83
commit 9997ad9ab1
1 changed files with 57 additions and 28 deletions
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85
hw/xnest/GC.c
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@ -201,10 +201,6 @@ xnestDestroyGC(GCPtr pGC)
void void
xnestChangeClip(GCPtr pGC, int type, void *pValue, int nRects) xnestChangeClip(GCPtr pGC, int type, void *pValue, int nRects)
{ {
int i;
BoxPtr pBox;
XRectangle *pRects;
xnestDestroyClip(pGC); xnestDestroyClip(pGC);
switch (type) { switch (type) {
@ -214,19 +210,32 @@ xnestChangeClip(GCPtr pGC, int type, void *pValue, int nRects)
break; break;
case CT_REGION: case CT_REGION:
nRects = RegionNumRects((RegionPtr) pValue); {
if (!(pRects = calloc(nRects, sizeof(*pRects)))) nRects = RegionNumRects((RegionPtr) pValue);
break; xcb_rectangle_t *rects= calloc(nRects, sizeof(xcb_rectangle_t));
pBox = RegionRects((RegionPtr) pValue); if (rects == NULL) {
for (i = nRects; i-- > 0;) { ErrorF("xnestChangeClip: memory alloc failure");
pRects[i].x = pBox[i].x1; return;
pRects[i].y = pBox[i].y1; }
pRects[i].width = pBox[i].x2 - pBox[i].x1; BoxPtr pBox = RegionRects((RegionPtr) pValue);
pRects[i].height = pBox[i].y2 - pBox[i].y1; for (int i = nRects; i-- > 0;)
rects[i] = (xcb_rectangle_t) {
.x = pBox[i].x1,
.y = pBox[i].y1,
.width = pBox[i].x2 - pBox[i].x1,
.height = pBox[i].y2 - pBox[i].y1,
};
xcb_set_clip_rectangles(
xnestUpstreamInfo.conn,
XCB_CLIP_ORDERING_UNSORTED,
xnest_upstream_gc(pGC),
0,
0,
nRects,
rects);
free(rects);
} }
XSetClipRectangles(xnestDisplay, xnestGC(pGC), 0, 0,
pRects, nRects, Unsorted);
free((char *) pRects);
break; break;
case CT_PIXMAP: case CT_PIXMAP:
@ -242,27 +251,47 @@ xnestChangeClip(GCPtr pGC, int type, void *pValue, int nRects)
break; break;
case CT_UNSORTED: case CT_UNSORTED:
XSetClipRectangles(xnestDisplay, xnestGC(pGC), xcb_set_clip_rectangles(
pGC->clipOrg.x, pGC->clipOrg.y, xnestUpstreamInfo.conn,
(XRectangle *) pValue, nRects, Unsorted); XCB_CLIP_ORDERING_UNSORTED,
xnest_upstream_gc(pGC),
pGC->clipOrg.x, pGC->clipOrg.y,
nRects,
(xcb_rectangle_t*)pValue);
break; break;
case CT_YSORTED: case CT_YSORTED:
XSetClipRectangles(xnestDisplay, xnestGC(pGC), xcb_set_clip_rectangles(
pGC->clipOrg.x, pGC->clipOrg.y, xnestUpstreamInfo.conn,
(XRectangle *) pValue, nRects, YSorted); XCB_CLIP_ORDERING_Y_SORTED,
xnest_upstream_gc(pGC),
pGC->clipOrg.x,
pGC->clipOrg.y,
nRects,
(xcb_rectangle_t*)pValue);
break; break;
case CT_YXSORTED: case CT_YXSORTED:
XSetClipRectangles(xnestDisplay, xnestGC(pGC), xcb_set_clip_rectangles(
pGC->clipOrg.x, pGC->clipOrg.y, xnestUpstreamInfo.conn,
(XRectangle *) pValue, nRects, YXSorted); XCB_CLIP_ORDERING_YX_SORTED,
xnest_upstream_gc(pGC),
pGC->clipOrg.x,
pGC->clipOrg.y,
nRects,
(xcb_rectangle_t*)pValue);
break; break;
case CT_YXBANDED: case CT_YXBANDED:
XSetClipRectangles(xnestDisplay, xnestGC(pGC), xcb_set_clip_rectangles(
pGC->clipOrg.x, pGC->clipOrg.y, xnestUpstreamInfo.conn,
(XRectangle *) pValue, nRects, YXBanded); XCB_CLIP_ORDERING_YX_BANDED,
xnest_upstream_gc(pGC),
pGC->clipOrg.x,
pGC->clipOrg.y,
nRects,
(xcb_rectangle_t*)pValue);
break; break;
} }