sync code with last improvements from OpenBSD

2023-08-28 05:57:34 +00:00 · 2023-08-28 05:57:34 +00:00 · 88965415ff
commit 88965415ff
26235 changed files with 29195616 additions and 0 deletions
--- a/xserver/fb/fbwindow.c
+++ b/xserver/fb/fbwindow.c
@ -0,0 +1,195 @@
+/*
+ * Copyright © 1998 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include "fb.h"
+
+Bool
+fbCreateWindow(WindowPtr pWin)
+{
+    dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(pWin),
+                  fbGetScreenPixmap(pWin->drawable.pScreen));
+    return TRUE;
+}
+
+Bool
+fbDestroyWindow(WindowPtr pWin)
+{
+    return TRUE;
+}
+
+Bool
+fbRealizeWindow(WindowPtr pWindow)
+{
+    return TRUE;
+}
+
+Bool
+fbPositionWindow(WindowPtr pWin, int x, int y)
+{
+    return TRUE;
+}
+
+Bool
+fbUnrealizeWindow(WindowPtr pWindow)
+{
+    return TRUE;
+}
+
+void
+fbCopyWindowProc(DrawablePtr pSrcDrawable,
+                 DrawablePtr pDstDrawable,
+                 GCPtr pGC,
+                 BoxPtr pbox,
+                 int nbox,
+                 int dx,
+                 int dy,
+                 Bool reverse, Bool upsidedown, Pixel bitplane, void *closure)
+{
+    FbBits *src;
+    FbStride srcStride;
+    int srcBpp;
+    int srcXoff, srcYoff;
+    FbBits *dst;
+    FbStride dstStride;
+    int dstBpp;
+    int dstXoff, dstYoff;
+
+    fbGetDrawable(pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
+    fbGetDrawable(pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
+
+    while (nbox--) {
+        fbBlt(src + (pbox->y1 + dy + srcYoff) * srcStride,
+              srcStride,
+              (pbox->x1 + dx + srcXoff) * srcBpp,
+              dst + (pbox->y1 + dstYoff) * dstStride,
+              dstStride,
+              (pbox->x1 + dstXoff) * dstBpp,
+              (pbox->x2 - pbox->x1) * dstBpp,
+              (pbox->y2 - pbox->y1),
+              GXcopy, FB_ALLONES, dstBpp, reverse, upsidedown);
+        pbox++;
+    }
+
+    fbFinishAccess(pDstDrawable);
+    fbFinishAccess(pSrcDrawable);
+}
+
+void
+fbCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+    RegionRec rgnDst;
+    int dx, dy;
+
+    PixmapPtr pPixmap = fbGetWindowPixmap(pWin);
+    DrawablePtr pDrawable = &pPixmap->drawable;
+
+    dx = ptOldOrg.x - pWin->drawable.x;
+    dy = ptOldOrg.y - pWin->drawable.y;
+    RegionTranslate(prgnSrc, -dx, -dy);
+
+    RegionNull(&rgnDst);
+
+    RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
+
+#ifdef COMPOSITE
+    if (pPixmap->screen_x || pPixmap->screen_y)
+        RegionTranslate(&rgnDst, -pPixmap->screen_x, -pPixmap->screen_y);
+#endif
+
+    miCopyRegion(pDrawable, pDrawable,
+                 0, &rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
+
+    RegionUninit(&rgnDst);
+    fbValidateDrawable(&pWin->drawable);
+}
+
+static void
+fbFixupWindowPixmap(DrawablePtr pDrawable, PixmapPtr *ppPixmap)
+{
+    PixmapPtr pPixmap = *ppPixmap;
+
+    if (FbEvenTile(pPixmap->drawable.width * pPixmap->drawable.bitsPerPixel))
+        fbPadPixmap(pPixmap);
+}
+
+Bool
+fbChangeWindowAttributes(WindowPtr pWin, unsigned long mask)
+{
+    if (mask & CWBackPixmap) {
+        if (pWin->backgroundState == BackgroundPixmap)
+            fbFixupWindowPixmap(&pWin->drawable, &pWin->background.pixmap);
+    }
+    if (mask & CWBorderPixmap) {
+        if (pWin->borderIsPixel == FALSE)
+            fbFixupWindowPixmap(&pWin->drawable, &pWin->border.pixmap);
+    }
+    return TRUE;
+}
+
+void
+fbFillRegionSolid(DrawablePtr pDrawable,
+                  RegionPtr pRegion, FbBits and, FbBits xor)
+{
+    FbBits *dst;
+    FbStride dstStride;
+    int dstBpp;
+    int dstXoff, dstYoff;
+    int n = RegionNumRects(pRegion);
+    BoxPtr pbox = RegionRects(pRegion);
+
+#ifndef FB_ACCESS_WRAPPER
+    int try_mmx = 0;
+
+    if (!and)
+        try_mmx = 1;
+#endif
+
+    fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
+
+    while (n--) {
+#ifndef FB_ACCESS_WRAPPER
+        if (!try_mmx || !pixman_fill((uint32_t *) dst, dstStride, dstBpp,
+                                     pbox->x1 + dstXoff, pbox->y1 + dstYoff,
+                                     (pbox->x2 - pbox->x1),
+                                     (pbox->y2 - pbox->y1), xor)) {
+#endif
+            fbSolid(dst + (pbox->y1 + dstYoff) * dstStride,
+                    dstStride,
+                    (pbox->x1 + dstXoff) * dstBpp,
+                    dstBpp,
+                    (pbox->x2 - pbox->x1) * dstBpp,
+                    pbox->y2 - pbox->y1, and, xor);
+#ifndef FB_ACCESS_WRAPPER
+        }
+#endif
+        fbValidateDrawable(pDrawable);
+        pbox++;
+    }
+
+    fbFinishAccess(pDrawable);
+}