diff options
Diffstat (limited to 'xorg-server/miext/shadow/shrotpack.h')
| -rw-r--r-- | xorg-server/miext/shadow/shrotpack.h | 374 |
1 files changed, 187 insertions, 187 deletions
diff --git a/xorg-server/miext/shadow/shrotpack.h b/xorg-server/miext/shadow/shrotpack.h index 015a98595..1a8af6200 100644 --- a/xorg-server/miext/shadow/shrotpack.h +++ b/xorg-server/miext/shadow/shrotpack.h @@ -1,187 +1,187 @@ -/* - * - * Copyright © 2000 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. - */ - -/* - * Thanks to Daniel Chemko <dchemko@intrinsyc.com> for making the 90 and 180 - * orientations work. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <stdlib.h> - -#include <X11/X.h> -#include "scrnintstr.h" -#include "windowstr.h" -#include <X11/fonts/font.h> -#include "dixfontstr.h" -#include <X11/fonts/fontstruct.h> -#include "mi.h" -#include "regionstr.h" -#include "globals.h" -#include "gcstruct.h" -#include "shadow.h" -#include "fb.h" - -#define DANDEBUG 0 - -#if ROTATE == 270 - -#define SCRLEFT(x,y,w,h) (pScreen->height - ((y) + (h))) -#define SCRY(x,y,w,h) (x) -#define SCRWIDTH(x,y,w,h) (h) -#define FIRSTSHA(x,y,w,h) (((y) + (h) - 1) * shaStride + (x)) -#define STEPDOWN(x,y,w,h) ((w)--) -#define NEXTY(x,y,w,h) ((x)++) -#define SHASTEPX(stride) -(stride) -#define SHASTEPY(stride) (1) - -#elif ROTATE == 90 - -#define SCRLEFT(x,y,w,h) (y) -#define SCRY(x,y,w,h) (pScreen->width - ((x) + (w)) - 1) -#define SCRWIDTH(x,y,w,h) (h) -#define FIRSTSHA(x,y,w,h) ((y) * shaStride + (x + w - 1)) -#define STEPDOWN(x,y,w,h) ((w)--) -#define NEXTY(x,y,w,h) ((void)(x)) -#define SHASTEPX(stride) (stride) -#define SHASTEPY(stride) (-1) - -#elif ROTATE == 180 - -#define SCRLEFT(x,y,w,h) (pScreen->width - ((x) + (w))) -#define SCRY(x,y,w,h) (pScreen->height - ((y) + (h)) - 1) -#define SCRWIDTH(x,y,w,h) (w) -#define FIRSTSHA(x,y,w,h) ((y + h - 1) * shaStride + (x + w - 1)) -#define STEPDOWN(x,y,w,h) ((h)--) -#define NEXTY(x,y,w,h) ((void)(y)) -#define SHASTEPX(stride) (-1) -#define SHASTEPY(stride) -(stride) - -#else - -#define SCRLEFT(x,y,w,h) (x) -#define SCRY(x,y,w,h) (y) -#define SCRWIDTH(x,y,w,h) (w) -#define FIRSTSHA(x,y,w,h) ((y) * shaStride + (x)) -#define STEPDOWN(x,y,w,h) ((h)--) -#define NEXTY(x,y,w,h) ((y)++) -#define SHASTEPX(stride) (1) -#define SHASTEPY(stride) (stride) - -#endif - -void -FUNC (ScreenPtr pScreen, - shadowBufPtr pBuf) -{ - RegionPtr damage = shadowDamage (pBuf); - PixmapPtr pShadow = pBuf->pPixmap; - int nbox = REGION_NUM_RECTS (damage); - BoxPtr pbox = REGION_RECTS (damage); - FbBits *shaBits; - Data *shaBase, *shaLine, *sha; - FbStride shaStride; - int scrBase, scrLine, scr; - int shaBpp; - int shaXoff, shaYoff; /* XXX assumed to be zero */ - int x, y, w, h, width; - int i; - Data *winBase = NULL, *win; - CARD32 winSize; - - fbGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp, shaXoff, shaYoff); - shaBase = (Data *) shaBits; - shaStride = shaStride * sizeof (FbBits) / sizeof (Data); -#if (DANDEBUG > 1) - ErrorF ("-> Entering Shadow Update:\r\n |- Origins: pShadow=%x, pScreen=%x, damage=%x\r\n |- Metrics: shaStride=%d, shaBase=%x, shaBpp=%d\r\n | \n", pShadow, pScreen, damage, shaStride, shaBase, shaBpp); -#endif - while (nbox--) - { - x = pbox->x1; - y = pbox->y1; - w = (pbox->x2 - pbox->x1); - h = pbox->y2 - pbox->y1; - -#if (DANDEBUG > 2) - ErrorF (" |-> Redrawing box - Metrics: X=%d, Y=%d, Width=%d, Height=%d\n", x, y, w, h); -#endif - scrLine = SCRLEFT(x,y,w,h); - shaLine = shaBase + FIRSTSHA(x,y,w,h); - - while (STEPDOWN(x,y,w,h)) - { - winSize = 0; - scrBase = 0; - width = SCRWIDTH(x,y,w,h); - scr = scrLine; - sha = shaLine; -#if (DANDEBUG > 3) - ErrorF (" | |-> StepDown - Metrics: width=%d, scr=%x, sha=%x\n", width, scr, sha); -#endif - while (width) - { - /* how much remains in this window */ - i = scrBase + winSize - scr; - if (i <= 0 || scr < scrBase) - { - winBase = (Data *) (*pBuf->window) (pScreen, - SCRY(x,y,w,h), - scr * sizeof (Data), - SHADOW_WINDOW_WRITE, - &winSize, - pBuf->closure); - if(!winBase) - return; - scrBase = scr; - winSize /= sizeof (Data); - i = winSize; -#if(DANDEBUG > 4) - ErrorF (" | | |-> Starting New Line - Metrics: winBase=%x, scrBase=%x, winSize=%d\r\n | | | Xstride=%d, Ystride=%d, w=%d h=%d\n", winBase, scrBase, winSize, SHASTEPX(shaStride), SHASTEPY(shaStride), w, h); -#endif - } - win = winBase + (scr - scrBase); - if (i > width) - i = width; - width -= i; - scr += i; -#if(DANDEBUG > 5) - ErrorF (" | | |-> Writing Line - Metrics: win=%x, sha=%x\n", win, sha); -#endif - while (i--) - { -#if(DANDEBUG > 6) - ErrorF (" | | |-> Writing Pixel - Metrics: win=%x, sha=%d, remaining=%d\n", win, sha, i); -#endif - *win++ = *sha; - sha += SHASTEPX(shaStride); - } /* i */ - } /* width */ - shaLine += SHASTEPY(shaStride); - NEXTY(x,y,w,h); - } /* STEPDOWN */ - pbox++; - } /* nbox */ -} +/*
+ *
+ * Copyright © 2000 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.
+ */
+
+/*
+ * Thanks to Daniel Chemko <dchemko@intrinsyc.com> for making the 90 and 180
+ * orientations work.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include <X11/X.h>
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include <X11/fonts/font.h>
+#include "dixfontstr.h"
+#include <X11/fonts/fontstruct.h>
+#include "mi.h"
+#include "regionstr.h"
+#include "globals.h"
+#include "gcstruct.h"
+#include "shadow.h"
+#include "fb.h"
+
+#define DANDEBUG 0
+
+#if ROTATE == 270
+
+#define SCRLEFT(x,y,w,h) (pScreen->height - ((y) + (h)))
+#define SCRY(x,y,w,h) (x)
+#define SCRWIDTH(x,y,w,h) (h)
+#define FIRSTSHA(x,y,w,h) (((y) + (h) - 1) * shaStride + (x))
+#define STEPDOWN(x,y,w,h) ((w)--)
+#define NEXTY(x,y,w,h) ((x)++)
+#define SHASTEPX(stride) -(stride)
+#define SHASTEPY(stride) (1)
+
+#elif ROTATE == 90
+
+#define SCRLEFT(x,y,w,h) (y)
+#define SCRY(x,y,w,h) (pScreen->width - ((x) + (w)) - 1)
+#define SCRWIDTH(x,y,w,h) (h)
+#define FIRSTSHA(x,y,w,h) ((y) * shaStride + (x + w - 1))
+#define STEPDOWN(x,y,w,h) ((w)--)
+#define NEXTY(x,y,w,h) ((void)(x))
+#define SHASTEPX(stride) (stride)
+#define SHASTEPY(stride) (-1)
+
+#elif ROTATE == 180
+
+#define SCRLEFT(x,y,w,h) (pScreen->width - ((x) + (w)))
+#define SCRY(x,y,w,h) (pScreen->height - ((y) + (h)) - 1)
+#define SCRWIDTH(x,y,w,h) (w)
+#define FIRSTSHA(x,y,w,h) ((y + h - 1) * shaStride + (x + w - 1))
+#define STEPDOWN(x,y,w,h) ((h)--)
+#define NEXTY(x,y,w,h) ((void)(y))
+#define SHASTEPX(stride) (-1)
+#define SHASTEPY(stride) -(stride)
+
+#else
+
+#define SCRLEFT(x,y,w,h) (x)
+#define SCRY(x,y,w,h) (y)
+#define SCRWIDTH(x,y,w,h) (w)
+#define FIRSTSHA(x,y,w,h) ((y) * shaStride + (x))
+#define STEPDOWN(x,y,w,h) ((h)--)
+#define NEXTY(x,y,w,h) ((y)++)
+#define SHASTEPX(stride) (1)
+#define SHASTEPY(stride) (stride)
+
+#endif
+
+void
+FUNC (ScreenPtr pScreen,
+ shadowBufPtr pBuf)
+{
+ RegionPtr damage = shadowDamage (pBuf);
+ PixmapPtr pShadow = pBuf->pPixmap;
+ int nbox = RegionNumRects (damage);
+ BoxPtr pbox = RegionRects (damage);
+ FbBits *shaBits;
+ Data *shaBase, *shaLine, *sha;
+ FbStride shaStride;
+ int scrBase, scrLine, scr;
+ int shaBpp;
+ int shaXoff, shaYoff; /* XXX assumed to be zero */
+ int x, y, w, h, width;
+ int i;
+ Data *winBase = NULL, *win;
+ CARD32 winSize;
+
+ fbGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp, shaXoff, shaYoff);
+ shaBase = (Data *) shaBits;
+ shaStride = shaStride * sizeof (FbBits) / sizeof (Data);
+#if (DANDEBUG > 1)
+ ErrorF ("-> Entering Shadow Update:\r\n |- Origins: pShadow=%x, pScreen=%x, damage=%x\r\n |- Metrics: shaStride=%d, shaBase=%x, shaBpp=%d\r\n | \n", pShadow, pScreen, damage, shaStride, shaBase, shaBpp);
+#endif
+ while (nbox--)
+ {
+ x = pbox->x1;
+ y = pbox->y1;
+ w = (pbox->x2 - pbox->x1);
+ h = pbox->y2 - pbox->y1;
+
+#if (DANDEBUG > 2)
+ ErrorF (" |-> Redrawing box - Metrics: X=%d, Y=%d, Width=%d, Height=%d\n", x, y, w, h);
+#endif
+ scrLine = SCRLEFT(x,y,w,h);
+ shaLine = shaBase + FIRSTSHA(x,y,w,h);
+
+ while (STEPDOWN(x,y,w,h))
+ {
+ winSize = 0;
+ scrBase = 0;
+ width = SCRWIDTH(x,y,w,h);
+ scr = scrLine;
+ sha = shaLine;
+#if (DANDEBUG > 3)
+ ErrorF (" | |-> StepDown - Metrics: width=%d, scr=%x, sha=%x\n", width, scr, sha);
+#endif
+ while (width)
+ {
+ /* how much remains in this window */
+ i = scrBase + winSize - scr;
+ if (i <= 0 || scr < scrBase)
+ {
+ winBase = (Data *) (*pBuf->window) (pScreen,
+ SCRY(x,y,w,h),
+ scr * sizeof (Data),
+ SHADOW_WINDOW_WRITE,
+ &winSize,
+ pBuf->closure);
+ if(!winBase)
+ return;
+ scrBase = scr;
+ winSize /= sizeof (Data);
+ i = winSize;
+#if(DANDEBUG > 4)
+ ErrorF (" | | |-> Starting New Line - Metrics: winBase=%x, scrBase=%x, winSize=%d\r\n | | | Xstride=%d, Ystride=%d, w=%d h=%d\n", winBase, scrBase, winSize, SHASTEPX(shaStride), SHASTEPY(shaStride), w, h);
+#endif
+ }
+ win = winBase + (scr - scrBase);
+ if (i > width)
+ i = width;
+ width -= i;
+ scr += i;
+#if(DANDEBUG > 5)
+ ErrorF (" | | |-> Writing Line - Metrics: win=%x, sha=%x\n", win, sha);
+#endif
+ while (i--)
+ {
+#if(DANDEBUG > 6)
+ ErrorF (" | | |-> Writing Pixel - Metrics: win=%x, sha=%d, remaining=%d\n", win, sha, i);
+#endif
+ *win++ = *sha;
+ sha += SHASTEPX(shaStride);
+ } /* i */
+ } /* width */
+ shaLine += SHASTEPY(shaStride);
+ NEXTY(x,y,w,h);
+ } /* STEPDOWN */
+ pbox++;
+ } /* nbox */
+}
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