diff options
Diffstat (limited to 'xorg-server/fb/fbimage.c')
| -rw-r--r-- | xorg-server/fb/fbimage.c | 732 |
1 files changed, 364 insertions, 368 deletions
diff --git a/xorg-server/fb/fbimage.c b/xorg-server/fb/fbimage.c index 0fcb05f7c..63978cc3b 100644 --- a/xorg-server/fb/fbimage.c +++ b/xorg-server/fb/fbimage.c @@ -1,368 +1,364 @@ -/*
- * 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 <string.h>
-
-#include "fb.h"
-
-void
-fbPutImage (DrawablePtr pDrawable,
- GCPtr pGC,
- int depth,
- int x,
- int y,
- int w,
- int h,
- int leftPad,
- int format,
- char *pImage)
-{
- FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
- unsigned long i;
- FbStride srcStride;
- FbStip *src = (FbStip *) pImage;
-
- x += pDrawable->x;
- y += pDrawable->y;
-
- switch (format)
- {
- case XYBitmap:
- srcStride = BitmapBytePad(w + leftPad) / sizeof (FbStip);
- fbPutXYImage (pDrawable,
- fbGetCompositeClip(pGC),
- pPriv->fg,
- pPriv->bg,
- pPriv->pm,
- pGC->alu,
- TRUE,
- x, y, w, h,
- src,
- srcStride,
- leftPad);
- break;
- case XYPixmap:
- srcStride = BitmapBytePad(w + leftPad) / sizeof (FbStip);
- for (i = (unsigned long)1 << (pDrawable->depth - 1); i; i >>= 1)
- {
- if (i & pGC->planemask)
- {
- fbPutXYImage (pDrawable,
- fbGetCompositeClip(pGC),
- FB_ALLONES,
- 0,
- fbReplicatePixel (i, pDrawable->bitsPerPixel),
- pGC->alu,
- TRUE,
- x, y, w, h,
- src,
- srcStride,
- leftPad);
- src += srcStride * h;
- }
- }
- break;
- case ZPixmap:
-#ifdef FB_24_32BIT
- if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
- {
- srcStride = PixmapBytePad(w, pDrawable->depth);
- fb24_32PutZImage (pDrawable,
- fbGetCompositeClip(pGC),
- pGC->alu,
- (FbBits) pGC->planemask,
- x, y, w, h,
- (CARD8 *) pImage,
- srcStride);
- }
- else
-#endif
- {
- srcStride = PixmapBytePad(w, pDrawable->depth) / sizeof (FbStip);
- fbPutZImage (pDrawable,
- fbGetCompositeClip(pGC),
- pGC->alu,
- pPriv->pm,
- x, y, w, h,
- src, srcStride);
- }
- }
-}
-
-void
-fbPutZImage (DrawablePtr pDrawable,
- RegionPtr pClip,
- int alu,
- FbBits pm,
- int x,
- int y,
- int width,
- int height,
- FbStip *src,
- FbStride srcStride)
-{
- FbStip *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- int nbox;
- BoxPtr pbox;
- int x1, y1, x2, y2;
-
- fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
- for (nbox = RegionNumRects (pClip),
- pbox = RegionRects(pClip);
- nbox--;
- pbox++)
- {
- x1 = x;
- y1 = y;
- x2 = x + width;
- y2 = y + height;
- if (x1 < pbox->x1)
- x1 = pbox->x1;
- if (y1 < pbox->y1)
- y1 = pbox->y1;
- if (x2 > pbox->x2)
- x2 = pbox->x2;
- if (y2 > pbox->y2)
- y2 = pbox->y2;
- if (x1 >= x2 || y1 >= y2)
- continue;
- fbBltStip (src + (y1 - y) * srcStride,
- srcStride,
- (x1 - x) * dstBpp,
-
- dst + (y1 + dstYoff) * dstStride,
- dstStride,
- (x1 + dstXoff) * dstBpp,
-
- (x2 - x1) * dstBpp,
- (y2 - y1),
-
- alu,
- pm,
- dstBpp);
- }
-
- fbFinishAccess (pDrawable);
-}
-
-void
-fbPutXYImage (DrawablePtr pDrawable,
- RegionPtr pClip,
- FbBits fg,
- FbBits bg,
- FbBits pm,
- int alu,
- Bool opaque,
-
- int x,
- int y,
- int width,
- int height,
-
- FbStip *src,
- FbStride srcStride,
- int srcX)
-{
- FbBits *dst;
- FbStride dstStride;
- int dstBpp;
- int dstXoff, dstYoff;
- int nbox;
- BoxPtr pbox;
- int x1, y1, x2, y2;
- FbBits fgand = 0, fgxor = 0, bgand = 0, bgxor = 0;
-
- fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
-
- if (dstBpp == 1)
- {
- if (opaque)
- alu = FbOpaqueStipple1Rop(alu,fg,bg);
- else
- alu = FbStipple1Rop(alu,fg);
- }
- else
- {
- fgand = fbAnd(alu,fg,pm);
- fgxor = fbXor(alu,fg,pm);
- if (opaque)
- {
- bgand = fbAnd(alu,bg,pm);
- bgxor = fbXor(alu,bg,pm);
- }
- else
- {
- bgand = fbAnd(GXnoop,(FbBits)0,FB_ALLONES);
- bgxor = fbXor(GXnoop,(FbBits)0,FB_ALLONES);
- }
- }
-
- for (nbox = RegionNumRects (pClip),
- pbox = RegionRects(pClip);
- nbox--;
- pbox++)
- {
- x1 = x;
- y1 = y;
- x2 = x + width;
- y2 = y + height;
- if (x1 < pbox->x1)
- x1 = pbox->x1;
- if (y1 < pbox->y1)
- y1 = pbox->y1;
- if (x2 > pbox->x2)
- x2 = pbox->x2;
- if (y2 > pbox->y2)
- y2 = pbox->y2;
- if (x1 >= x2 || y1 >= y2)
- continue;
- if (dstBpp == 1)
- {
- fbBltStip (src + (y1 - y) * srcStride,
- srcStride,
- (x1 - x) + srcX,
-
- (FbStip *) (dst + (y1 + dstYoff) * dstStride),
- FbBitsStrideToStipStride(dstStride),
- (x1 + dstXoff) * dstBpp,
-
- (x2 - x1) * dstBpp,
- (y2 - y1),
-
- alu,
- pm,
- dstBpp);
- }
- else
- {
- fbBltOne (src + (y1 - y) * srcStride,
- srcStride,
- (x1 - x) + srcX,
-
- dst + (y1 + dstYoff) * dstStride,
- dstStride,
- (x1 + dstXoff) * dstBpp,
- dstBpp,
-
- (x2 - x1) * dstBpp,
- (y2 - y1),
-
- fgand, fgxor, bgand, bgxor);
- }
- }
-
- fbFinishAccess (pDrawable);
-}
-
-void
-fbGetImage (DrawablePtr pDrawable,
- int x,
- int y,
- int w,
- int h,
- unsigned int format,
- unsigned long planeMask,
- char *d)
-{
- FbBits *src;
- FbStride srcStride;
- int srcBpp;
- int srcXoff, srcYoff;
- FbStip *dst;
- FbStride dstStride;
-
- /*
- * XFree86 DDX empties the root borderClip when the VT is
- * switched away; this checks for that case
- */
- if (!fbDrawableEnabled(pDrawable))
- return;
-
-#ifdef FB_24_32BIT
- if (format == ZPixmap &&
- pDrawable->bitsPerPixel != BitsPerPixel (pDrawable->depth))
- {
- fb24_32GetImage (pDrawable, x, y, w, h, format, planeMask, d);
- return;
- }
-#endif
-
- fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
-
- x += pDrawable->x;
- y += pDrawable->y;
-
- dst = (FbStip *) d;
- if (format == ZPixmap || srcBpp == 1)
- {
- FbBits pm;
-
- pm = fbReplicatePixel (planeMask, srcBpp);
- dstStride = PixmapBytePad(w, pDrawable->depth);
- if (pm != FB_ALLONES)
- memset (d, 0, dstStride * h);
- dstStride /= sizeof (FbStip);
- fbBltStip ((FbStip *) (src + (y + srcYoff) * srcStride),
- FbBitsStrideToStipStride(srcStride),
- (x + srcXoff) * srcBpp,
-
- dst,
- dstStride,
- 0,
-
- w * srcBpp, h,
-
- GXcopy,
- pm,
- srcBpp);
- }
- else
- {
- dstStride = BitmapBytePad(w) / sizeof (FbStip);
- fbBltPlane (src + (y + srcYoff) * srcStride,
- srcStride,
- (x + srcXoff) * srcBpp,
- srcBpp,
-
- dst,
- dstStride,
- 0,
-
- w * srcBpp, h,
-
- fbAndStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES),
- fbXorStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES),
- fbAndStip(GXcopy,0,FB_STIP_ALLONES),
- fbXorStip(GXcopy,0,FB_STIP_ALLONES),
- planeMask);
- }
-
- fbFinishAccess (pDrawable);
-}
+/* + * 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 <string.h> + +#include "fb.h" + +void +fbPutImage (DrawablePtr pDrawable, + GCPtr pGC, + int depth, + int x, + int y, + int w, + int h, + int leftPad, + int format, + char *pImage) +{ + FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); + unsigned long i; + FbStride srcStride; + FbStip *src = (FbStip *) pImage; + + x += pDrawable->x; + y += pDrawable->y; + + switch (format) + { + case XYBitmap: + srcStride = BitmapBytePad(w + leftPad) / sizeof (FbStip); + fbPutXYImage (pDrawable, + fbGetCompositeClip(pGC), + pPriv->fg, + pPriv->bg, + pPriv->pm, + pGC->alu, + TRUE, + x, y, w, h, + src, + srcStride, + leftPad); + break; + case XYPixmap: + srcStride = BitmapBytePad(w + leftPad) / sizeof (FbStip); + for (i = (unsigned long)1 << (pDrawable->depth - 1); i; i >>= 1) + { + if (i & pGC->planemask) + { + fbPutXYImage (pDrawable, + fbGetCompositeClip(pGC), + FB_ALLONES, + 0, + fbReplicatePixel (i, pDrawable->bitsPerPixel), + pGC->alu, + TRUE, + x, y, w, h, + src, + srcStride, + leftPad); + src += srcStride * h; + } + } + break; + case ZPixmap: + if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) + { + srcStride = PixmapBytePad(w, pDrawable->depth); + fb24_32PutZImage (pDrawable, + fbGetCompositeClip(pGC), + pGC->alu, + (FbBits) pGC->planemask, + x, y, w, h, + (CARD8 *) pImage, + srcStride); + } + else + { + srcStride = PixmapBytePad(w, pDrawable->depth) / sizeof (FbStip); + fbPutZImage (pDrawable, + fbGetCompositeClip(pGC), + pGC->alu, + pPriv->pm, + x, y, w, h, + src, srcStride); + } + } +} + +void +fbPutZImage (DrawablePtr pDrawable, + RegionPtr pClip, + int alu, + FbBits pm, + int x, + int y, + int width, + int height, + FbStip *src, + FbStride srcStride) +{ + FbStip *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + int nbox; + BoxPtr pbox; + int x1, y1, x2, y2; + + fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + + for (nbox = RegionNumRects (pClip), + pbox = RegionRects(pClip); + nbox--; + pbox++) + { + x1 = x; + y1 = y; + x2 = x + width; + y2 = y + height; + if (x1 < pbox->x1) + x1 = pbox->x1; + if (y1 < pbox->y1) + y1 = pbox->y1; + if (x2 > pbox->x2) + x2 = pbox->x2; + if (y2 > pbox->y2) + y2 = pbox->y2; + if (x1 >= x2 || y1 >= y2) + continue; + fbBltStip (src + (y1 - y) * srcStride, + srcStride, + (x1 - x) * dstBpp, + + dst + (y1 + dstYoff) * dstStride, + dstStride, + (x1 + dstXoff) * dstBpp, + + (x2 - x1) * dstBpp, + (y2 - y1), + + alu, + pm, + dstBpp); + } + + fbFinishAccess (pDrawable); +} + +void +fbPutXYImage (DrawablePtr pDrawable, + RegionPtr pClip, + FbBits fg, + FbBits bg, + FbBits pm, + int alu, + Bool opaque, + + int x, + int y, + int width, + int height, + + FbStip *src, + FbStride srcStride, + int srcX) +{ + FbBits *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + int nbox; + BoxPtr pbox; + int x1, y1, x2, y2; + FbBits fgand = 0, fgxor = 0, bgand = 0, bgxor = 0; + + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); + + if (dstBpp == 1) + { + if (opaque) + alu = FbOpaqueStipple1Rop(alu,fg,bg); + else + alu = FbStipple1Rop(alu,fg); + } + else + { + fgand = fbAnd(alu,fg,pm); + fgxor = fbXor(alu,fg,pm); + if (opaque) + { + bgand = fbAnd(alu,bg,pm); + bgxor = fbXor(alu,bg,pm); + } + else + { + bgand = fbAnd(GXnoop,(FbBits)0,FB_ALLONES); + bgxor = fbXor(GXnoop,(FbBits)0,FB_ALLONES); + } + } + + for (nbox = RegionNumRects (pClip), + pbox = RegionRects(pClip); + nbox--; + pbox++) + { + x1 = x; + y1 = y; + x2 = x + width; + y2 = y + height; + if (x1 < pbox->x1) + x1 = pbox->x1; + if (y1 < pbox->y1) + y1 = pbox->y1; + if (x2 > pbox->x2) + x2 = pbox->x2; + if (y2 > pbox->y2) + y2 = pbox->y2; + if (x1 >= x2 || y1 >= y2) + continue; + if (dstBpp == 1) + { + fbBltStip (src + (y1 - y) * srcStride, + srcStride, + (x1 - x) + srcX, + + (FbStip *) (dst + (y1 + dstYoff) * dstStride), + FbBitsStrideToStipStride(dstStride), + (x1 + dstXoff) * dstBpp, + + (x2 - x1) * dstBpp, + (y2 - y1), + + alu, + pm, + dstBpp); + } + else + { + fbBltOne (src + (y1 - y) * srcStride, + srcStride, + (x1 - x) + srcX, + + dst + (y1 + dstYoff) * dstStride, + dstStride, + (x1 + dstXoff) * dstBpp, + dstBpp, + + (x2 - x1) * dstBpp, + (y2 - y1), + + fgand, fgxor, bgand, bgxor); + } + } + + fbFinishAccess (pDrawable); +} + +void +fbGetImage (DrawablePtr pDrawable, + int x, + int y, + int w, + int h, + unsigned int format, + unsigned long planeMask, + char *d) +{ + FbBits *src; + FbStride srcStride; + int srcBpp; + int srcXoff, srcYoff; + FbStip *dst; + FbStride dstStride; + + /* + * XFree86 DDX empties the root borderClip when the VT is + * switched away; this checks for that case + */ + if (!fbDrawableEnabled(pDrawable)) + return; + + if (format == ZPixmap && + pDrawable->bitsPerPixel != BitsPerPixel (pDrawable->depth)) + { + fb24_32GetImage (pDrawable, x, y, w, h, format, planeMask, d); + return; + } + + fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); + + x += pDrawable->x; + y += pDrawable->y; + + dst = (FbStip *) d; + if (format == ZPixmap || srcBpp == 1) + { + FbBits pm; + + pm = fbReplicatePixel (planeMask, srcBpp); + dstStride = PixmapBytePad(w, pDrawable->depth); + if (pm != FB_ALLONES) + memset (d, 0, dstStride * h); + dstStride /= sizeof (FbStip); + fbBltStip ((FbStip *) (src + (y + srcYoff) * srcStride), + FbBitsStrideToStipStride(srcStride), + (x + srcXoff) * srcBpp, + + dst, + dstStride, + 0, + + w * srcBpp, h, + + GXcopy, + pm, + srcBpp); + } + else + { + dstStride = BitmapBytePad(w) / sizeof (FbStip); + fbBltPlane (src + (y + srcYoff) * srcStride, + srcStride, + (x + srcXoff) * srcBpp, + srcBpp, + + dst, + dstStride, + 0, + + w * srcBpp, h, + + fbAndStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES), + fbXorStip(GXcopy,FB_STIP_ALLONES,FB_STIP_ALLONES), + fbAndStip(GXcopy,0,FB_STIP_ALLONES), + fbXorStip(GXcopy,0,FB_STIP_ALLONES), + planeMask); + } + + fbFinishAccess (pDrawable); +} |