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path: root/xorg-server/hw/xfree86/xf8_32bpp/cfbimage.c
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Diffstat (limited to 'xorg-server/hw/xfree86/xf8_32bpp/cfbimage.c')
-rw-r--r--xorg-server/hw/xfree86/xf8_32bpp/cfbimage.c174
1 files changed, 174 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/xf8_32bpp/cfbimage.c b/xorg-server/hw/xfree86/xf8_32bpp/cfbimage.c
new file mode 100644
index 000000000..01a5a5eb6
--- /dev/null
+++ b/xorg-server/hw/xfree86/xf8_32bpp/cfbimage.c
@@ -0,0 +1,174 @@
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <X11/X.h>
+#include "windowstr.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+#include "gcstruct.h"
+#define PSZ 8
+#include "cfb.h"
+#undef PSZ
+#include "cfb32.h"
+#include "cfb8_32.h"
+#include "servermd.h"
+#include "mi.h"
+
+
+void
+cfb8_32GetImage (
+ DrawablePtr pDraw,
+ int sx, int sy, int w, int h,
+ unsigned int format,
+ unsigned long planemask,
+ char *pdstLine
+){
+ if(!w || !h) return;
+
+ if (!cfbDrawableEnabled (pDraw))
+ return;
+
+ if(pDraw->depth == 24){
+ cfb32GetImage(pDraw, sx, sy, w, h, format, planemask, pdstLine);
+ return;
+ }
+
+ if((pDraw->bitsPerPixel == 8) || (pDraw->bitsPerPixel == 1)){
+ cfbGetImage(pDraw, sx, sy, w, h, format, planemask, pdstLine);
+ return;
+ }
+
+ /* source is depth 8, 32 bpp */
+ if(format != ZPixmap) {
+ miGetImage(pDraw, sx, sy, w, h, format, planemask, pdstLine);
+ return;
+ } else {
+ BoxRec box;
+ DDXPointRec ptSrc;
+ RegionRec rgnDst;
+ ScreenPtr pScreen;
+ PixmapPtr pPixmap;
+
+ pScreen = pDraw->pScreen;
+ pPixmap = GetScratchPixmapHeader(pScreen, w, h, 8, 8,
+ PixmapBytePad(w,8), (pointer)pdstLine);
+ if (!pPixmap)
+ return;
+ if ((planemask & 0xff) != 0xff)
+ memset((char *)pdstLine, 0, pPixmap->devKind * h);
+ ptSrc.x = sx + pDraw->x;
+ ptSrc.y = sy + pDraw->y;
+ box.x1 = 0;
+ box.y1 = 0;
+ box.x2 = w;
+ box.y2 = h;
+ REGION_INIT(pScreen, &rgnDst, &box, 1);
+ cfbDoBitblt32To8(pDraw, (DrawablePtr)pPixmap, GXcopy, &rgnDst,
+ &ptSrc, planemask);
+ REGION_UNINIT(pScreen, &rgnDst);
+ FreeScratchPixmapHeader(pPixmap);
+ }
+}
+
+void
+cfb8_32PutImage (
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int depth,
+ int x, int y, int w, int h,
+ int leftPad,
+ int format,
+ char *pImage
+){
+ if(!w || !h) return;
+
+ if((pDraw->bitsPerPixel == 8) || (format != XYPixmap)){
+ cfbPutImage(pDraw, pGC, depth, x, y, w, h, leftPad, format, pImage);
+ return;
+ } else { /* moving an 8bpp XYPixmap to a 32bpp screen */
+ unsigned long oldFg, oldBg;
+ XID gcv[3];
+ unsigned long oldPlanemask;
+ unsigned long i;
+ long bytesPer;
+
+ oldPlanemask = pGC->planemask;
+ oldFg = pGC->fgPixel;
+ oldBg = pGC->bgPixel;
+ gcv[0] = ~0L;
+ gcv[1] = 0;
+ DoChangeGC(pGC, GCForeground | GCBackground, gcv, 0);
+ bytesPer = (long)h * BitmapBytePad(w + leftPad);
+
+ for (i = 0x80000000; i & 0xff000000; i >>= 1, pImage += bytesPer)
+ {
+ if (i & oldPlanemask)
+ {
+ gcv[0] = i;
+ DoChangeGC(pGC, GCPlaneMask, gcv, 0);
+ ValidateGC(pDraw, pGC);
+ (*pGC->ops->PutImage)(pDraw, pGC, 1, x, y, w, h, leftPad,
+ XYBitmap, pImage);
+ }
+ }
+ gcv[0] = oldPlanemask;
+ gcv[1] = oldFg;
+ gcv[2] = oldBg;
+ DoChangeGC(pGC, GCPlaneMask | GCForeground | GCBackground, gcv, 0);
+ ValidateGC(pDraw, pGC);
+ }
+}
+
+
+
+
+void
+cfb8_32GetSpans(
+ DrawablePtr pDraw,
+ int wMax,
+ DDXPointPtr ppt,
+ int *pwidth,
+ int nspans,
+ char *pDst
+){
+ int pitch, i;
+ CARD8 *ptr, *ptrBase;
+
+ if (!cfbDrawableEnabled (pDraw))
+ return;
+
+ if(pDraw->bitsPerPixel == 1) {
+ mfbGetSpans(pDraw, wMax, ppt, pwidth, nspans, pDst);
+ return;
+ }
+
+ if(pDraw->depth == 24) {
+ cfb32GetSpans(pDraw, wMax, ppt, pwidth, nspans, pDst);
+ return;
+ } else if(pDraw->bitsPerPixel == 8) {
+ cfbGetSpans(pDraw, wMax, ppt, pwidth, nspans, pDst);
+ return;
+ }
+
+ /* gotta get spans from a depth 8 window */
+ cfbGetByteWidthAndPointer(pDraw, pitch, ptrBase);
+ ptrBase += 3; /* point to top byte */
+
+ while(nspans--) {
+ ptr = ptrBase + (ppt->y * pitch) + (ppt->x << 2);
+
+ for(i = *pwidth; i--; ptr += 4)
+ *(pDst++) = *ptr;
+
+ pDst = (char*)((long)(pDst + 3) & ~3L);
+
+ ppt++; pwidth++;
+ }
+}
+
+