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xserver/hw/xfree86/xf8_32bpp/cfbcpyarea.c

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/* $XFree86: xc/programs/Xserver/hw/xfree86/xf8_32bpp/cfbcpyarea.c,v 1.6 2003/07/16 01:38:50 dawes Exp $ */
#include "X.h"
#include "Xmd.h"
#include "servermd.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "resource.h"
#include "colormap.h"
#include "colormapst.h"
#define PSZ 8
#include "cfb.h"
#undef PSZ
#include "cfb32.h"
#include "cfb8_32.h"
#include "mi.h"
#include "mistruct.h"
#include "dix.h"
#include "mibstore.h"
RegionPtr
cfb8_32CopyArea(
DrawablePtr pSrcDraw,
DrawablePtr pDstDraw,
GC *pGC,
int srcx, int srcy,
int width, int height,
int dstx, int dsty
){
if(pSrcDraw->bitsPerPixel == 32) {
if(pDstDraw->bitsPerPixel == 32) {
if((pGC->alu == GXcopy) && (pGC->planemask == 0xff000000)) {
return cfb32BitBlt (pSrcDraw, pDstDraw,
pGC, srcx, srcy, width, height, dstx, dsty,
cfbDoBitblt8To8GXcopy, 0L);
}
return(cfb32CopyArea(pSrcDraw, pDstDraw, pGC, srcx, srcy,
width, height, dstx, dsty));
} else {
/* have to translate 32 -> 8 copies */
return cfb32BitBlt (pSrcDraw, pDstDraw,
pGC, srcx, srcy, width, height, dstx, dsty,
cfbDoBitblt32To8, 0L);
}
} else {
if(pDstDraw->bitsPerPixel == 32) {
/* have to translate 8 -> 32 copies */
return cfb32BitBlt (pSrcDraw, pDstDraw,
pGC, srcx, srcy, width, height, dstx, dsty,
cfbDoBitblt8To32, 0L);
} else {
return(cfbCopyArea(pSrcDraw, pDstDraw, pGC, srcx, srcy,
width, height, dstx, dsty));
}
}
}
void
cfbDoBitblt8To32(
DrawablePtr pSrc,
DrawablePtr pDst,
int rop,
RegionPtr prgnDst,
DDXPointPtr pptSrc,
unsigned long pm
){
BoxPtr pbox = REGION_RECTS(prgnDst);
int nbox = REGION_NUM_RECTS(prgnDst);
unsigned char *ptr8, *ptr32;
unsigned char *data8, *data32;
int pitch8, pitch32;
int height, width, i;
cfbGetByteWidthAndPointer(pSrc, pitch8, ptr8);
cfbGetByteWidthAndPointer(pDst, pitch32, ptr32);
ptr32 += 3; /* point to the top byte */
pm >>= 24;
if((pm == 0xff) && (rop == GXcopy)) {
for(;nbox; pbox++, pptSrc++, nbox--) {
data8 = ptr8 + (pptSrc->y * pitch8) + pptSrc->x;
data32 = ptr32 + (pbox->y1 * pitch32) + (pbox->x1 << 2);
width = pbox->x2 - pbox->x1;
height = pbox->y2 - pbox->y1;
while(height--) {
for(i = 0; i < width; i++)
data32[i << 2] = data8[i];
data8 += pitch8;
data32 += pitch32;
}
}
} else { /* it ain't pretty, but hey */
for(;nbox; pbox++, pptSrc++, nbox--) {
data8 = ptr8 + (pptSrc->y * pitch8) + pptSrc->x;
data32 = ptr32 + (pbox->y1 * pitch32) + (pbox->x1 << 2);
width = pbox->x2 - pbox->x1;
height = pbox->y2 - pbox->y1;
while(height--) {
switch(rop) {
case GXcopy:
for(i = 0; i < width; i++)
data32[i<<2] = (data8[i] & pm) | (data32[i<<2] & ~pm);
break;
case GXor:
for(i = 0; i < width; i++)
data32[i<<2] |= data8[i] & pm;
break;
case GXclear:
for(i = 0; i < width; i++)
data32[i<<2] &= ~pm;
break;
case GXand:
for(i = 0; i < width; i++)
data32[i<<2] &= data8[i] | ~pm;
break;
case GXandReverse:
for(i = 0; i < width; i++)
data32[i<<2] = ~data32[i<<2] & (data8[i] | ~pm);
break;
case GXandInverted:
for(i = 0; i < width; i++)
data32[i<<2] &= ~data8[i] | ~pm;
break;
case GXnoop:
return;
case GXxor:
for(i = 0; i < width; i++)
data32[i<<2] ^= data8[i] & pm;
break;
case GXnor:
for(i = 0; i < width; i++)
data32[i<<2] = ~(data32[i<<2] | (data8[i] & pm));
break;
case GXequiv:
for(i = 0; i < width; i++)
data32[i<<2] = ~(data32[i<<2] ^ (data8[i] & pm));
break;
case GXinvert:
for(i = 0; i < width; i++)
data32[i<<2] ^= pm;
break;
case GXorReverse:
for(i = 0; i < width; i++)
data32[i<<2] = ~data32[i<<2] | (data8[i] & pm);
break;
case GXcopyInverted:
for(i = 0; i < width; i++)
data32[i<<2] = (~data8[i] & pm) | (data32[i<<2] & ~pm);
break;
case GXorInverted:
for(i = 0; i < width; i++)
data32[i<<2] |= ~data8[i] & pm;
break;
case GXnand:
for(i = 0; i < width; i++)
data32[i<<2] = ~(data32[i<<2] & (data8[i] | ~pm));
break;
case GXset:
for(i = 0; i < width; i++)
data32[i<<2] |= pm;
break;
}
data8 += pitch8;
data32 += pitch32;
}
}
}
}
void
cfbDoBitblt32To8(
DrawablePtr pSrc,
DrawablePtr pDst,
int rop,
RegionPtr prgnDst,
DDXPointPtr pptSrc,
unsigned long pm
){
BoxPtr pbox = REGION_RECTS(prgnDst);
int nbox = REGION_NUM_RECTS(prgnDst);
unsigned char *ptr8, *ptr32;
unsigned char *data8, *data32;
int pitch8, pitch32;
int height, width, i;
cfbGetByteWidthAndPointer(pDst, pitch8, ptr8);
cfbGetByteWidthAndPointer(pSrc, pitch32, ptr32);
ptr32 += 3; /* point to the top byte */
if(((pm & 0xff) == 0xff) && (rop == GXcopy)) {
for(;nbox; pbox++, pptSrc++, nbox--) {
data8 = ptr8 + (pbox->y1 * pitch8) + pbox->x1;
data32 = ptr32 + (pptSrc->y * pitch32) + (pptSrc->x << 2);
width = pbox->x2 - pbox->x1;
height = pbox->y2 - pbox->y1;
while(height--) {
for(i = 0; i < width; i++)
data8[i] = data32[i << 2];
data8 += pitch8;
data32 += pitch32;
}
}
} else {
for(;nbox; pbox++, pptSrc++, nbox--) {
data8 = ptr8 + (pbox->y1 * pitch8) + pbox->x1;
data32 = ptr32 + (pptSrc->y * pitch32) + (pptSrc->x << 2);
width = pbox->x2 - pbox->x1;
height = pbox->y2 - pbox->y1;
while(height--) {
switch(rop) {
case GXcopy:
for(i = 0; i < width; i++)
data8[i] = (data32[i<<2] & pm) | (data8[i] & ~pm);
break;
case GXor:
for(i = 0; i < width; i++)
data8[i] |= data32[i<<2] & pm;
break;
case GXclear:
for(i = 0; i < width; i++)
data8[i] &= ~pm;
break;
case GXand:
for(i = 0; i < width; i++)
data8[i] &= data32[i<<2] | ~pm;
break;
case GXandReverse:
for(i = 0; i < width; i++)
data8[i] = ~data8[i] & (data32[i<<2] | ~pm);
break;
case GXandInverted:
for(i = 0; i < width; i++)
data8[i] &= ~data32[i<<2] | ~pm;
break;
case GXnoop:
return;
case GXxor:
for(i = 0; i < width; i++)
data8[i] ^= data32[i<<2] & pm;
break;
case GXnor:
for(i = 0; i < width; i++)
data8[i] = ~(data8[i] | (data32[i<<2] & pm));
break;
case GXequiv:
for(i = 0; i < width; i++)
data8[i] = ~(data8[i] ^ (data32[i<<2] & pm));
break;
case GXinvert:
for(i = 0; i < width; i++)
data8[i] ^= pm;
break;
case GXorReverse:
for(i = 0; i < width; i++)
data8[i] = ~data8[i] | (data32[i<<2] & pm);
break;
case GXcopyInverted:
for(i = 0; i < width; i++)
data8[i] = (~data32[i<<2] & pm) | (data8[i] & ~pm);
break;
case GXorInverted:
for(i = 0; i < width; i++)
data8[i] |= ~data32[i<<2] & pm;
break;
case GXnand:
for(i = 0; i < width; i++)
data8[i] = ~(data8[i] & (data32[i<<2] | ~pm));
break;
case GXset:
for(i = 0; i < width; i++)
data8[i] |= pm;
break;
}
data8 += pitch8;
data32 += pitch32;
}
}
}
}
static void
Do8To8Blt(
unsigned char *SrcPtr,
int SrcPitch,
unsigned char *DstPtr,
int DstPitch,
int nbox,
DDXPointPtr pptSrc,
BoxPtr pbox,
int xdir, int ydir
){
int i, j, width, height, ydir2;
CARD8 *src, *dst;
SrcPtr += 3;
DstPtr += 3;
xdir *= 4;
ydir2 = ydir * DstPitch;
ydir *= SrcPitch;
for(;nbox; pbox++, pptSrc++, nbox--) {
src = SrcPtr + (pptSrc->y * SrcPitch) + (pptSrc->x << 2);
dst = DstPtr + (pbox->y1 * DstPitch) + (pbox->x1 << 2);
width = pbox->x2 - pbox->x1;
height = pbox->y2 - pbox->y1;
if(ydir < 0) {
src += (height - 1) * SrcPitch;
dst += (height - 1) * DstPitch;
}
if(xdir < 0) {
register int tmp = (width - 1) << 2;
src += tmp;
dst += tmp;
}
while(height--) {
for(i = width, j = 0; i--; j+=xdir)
dst[j] = src[j];
src += ydir;
dst += ydir2;
}
}
}
static void
Do24To24Blt(
unsigned char *SrcPtr,
int SrcPitch,
unsigned char *DstPtr,
int DstPitch,
int nbox,
DDXPointPtr pptSrc,
BoxPtr pbox,
int xdir, int ydir
){
int i, j, width, height, ydir2;
CARD8 *src, *dst;
xdir *= 4;
ydir2 = ydir * DstPitch;
ydir *= SrcPitch;
for(;nbox; pbox++, pptSrc++, nbox--) {
src = SrcPtr + (pptSrc->y * SrcPitch) + (pptSrc->x << 2);
dst = DstPtr + (pbox->y1 * DstPitch) + (pbox->x1 << 2);
width = pbox->x2 - pbox->x1;
height = pbox->y2 - pbox->y1;
if(ydir < 0) {
src += (height - 1) * SrcPitch;
dst += (height - 1) * DstPitch;
}
if(xdir < 0) {
register int tmp = (width - 1) << 2;
src += tmp;
dst += tmp;
}
while(height--) {
for(i = width, j = 0; i--; j+=xdir) {
*((CARD16*)(dst + j)) = *((CARD32*)(src + j));
dst[j + 2] = src[j + 2];
}
src += ydir;
dst += ydir2;
}
}
}
static void
cfb8_32DoBitBlt(
DrawablePtr pSrc,
DrawablePtr pDst,
RegionPtr prgnDst,
DDXPointPtr pptSrc,
void (*DoBlt)(
unsigned char *SrcPtr,
int SrcPitch,
unsigned char *DstPtr,
int DstPitch,
int nbox,
DDXPointPtr pptSrc,
BoxPtr pbox,
int xdir, int ydir)
){
int nbox, careful, SrcPitch, DstPitch;
BoxPtr pbox, pboxTmp, pboxNext, pboxBase, pboxNew1, pboxNew2;
DDXPointPtr pptTmp, pptNew1, pptNew2;
int xdir, ydir;
unsigned char *SrcPtr, *DstPtr;
/* XXX we have to err on the side of safety when both are windows,
* because we don't know if IncludeInferiors is being used.
*/
careful = ((pSrc == pDst) ||
((pSrc->type == DRAWABLE_WINDOW) &&
(pDst->type == DRAWABLE_WINDOW)));
pbox = REGION_RECTS(prgnDst);
nbox = REGION_NUM_RECTS(prgnDst);
pboxNew1 = NULL;
pptNew1 = NULL;
pboxNew2 = NULL;
pptNew2 = NULL;
if (careful && (pptSrc->y < pbox->y1)) {
/* walk source botttom to top */
ydir = -1;
if (nbox > 1) {
/* keep ordering in each band, reverse order of bands */
pboxNew1 = (BoxPtr)ALLOCATE_LOCAL(sizeof(BoxRec) * nbox);
if(!pboxNew1)
return;
pptNew1 = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec) * nbox);
if(!pptNew1) {
DEALLOCATE_LOCAL(pboxNew1);
return;
}
pboxBase = pboxNext = pbox+nbox-1;
while (pboxBase >= pbox) {
while ((pboxNext >= pbox) &&
(pboxBase->y1 == pboxNext->y1))
pboxNext--;
pboxTmp = pboxNext+1;
pptTmp = pptSrc + (pboxTmp - pbox);
while (pboxTmp <= pboxBase) {
*pboxNew1++ = *pboxTmp++;
*pptNew1++ = *pptTmp++;
}
pboxBase = pboxNext;
}
pboxNew1 -= nbox;
pbox = pboxNew1;
pptNew1 -= nbox;
pptSrc = pptNew1;
}
} else {
/* walk source top to bottom */
ydir = 1;
}
if (careful && (pptSrc->x < pbox->x1)) {
/* walk source right to left */
xdir = -1;
if (nbox > 1) {
/* reverse order of rects in each band */
pboxNew2 = (BoxPtr)ALLOCATE_LOCAL(sizeof(BoxRec) * nbox);
pptNew2 = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec) * nbox);
if(!pboxNew2 || !pptNew2) {
if (pptNew2) DEALLOCATE_LOCAL(pptNew2);
if (pboxNew2) DEALLOCATE_LOCAL(pboxNew2);
if (pboxNew1) {
DEALLOCATE_LOCAL(pptNew1);
DEALLOCATE_LOCAL(pboxNew1);
}
return;
}
pboxBase = pboxNext = pbox;
while (pboxBase < pbox+nbox) {
while ((pboxNext < pbox+nbox) &&
(pboxNext->y1 == pboxBase->y1))
pboxNext++;
pboxTmp = pboxNext;
pptTmp = pptSrc + (pboxTmp - pbox);
while (pboxTmp != pboxBase) {
*pboxNew2++ = *--pboxTmp;
*pptNew2++ = *--pptTmp;
}
pboxBase = pboxNext;
}
pboxNew2 -= nbox;
pbox = pboxNew2;
pptNew2 -= nbox;
pptSrc = pptNew2;
}
} else {
/* walk source left to right */
xdir = 1;
}
cfbGetByteWidthAndPointer(pSrc, SrcPitch, SrcPtr);
cfbGetByteWidthAndPointer(pDst, DstPitch, DstPtr);
(*DoBlt)(SrcPtr,SrcPitch,DstPtr,DstPitch,nbox,pptSrc,pbox,xdir,ydir);
if (pboxNew2) {
DEALLOCATE_LOCAL(pptNew2);
DEALLOCATE_LOCAL(pboxNew2);
}
if (pboxNew1) {
DEALLOCATE_LOCAL(pptNew1);
DEALLOCATE_LOCAL(pboxNew1);
}
}
/* A couple routines to speed up full planemask copies */
void
cfbDoBitblt8To8GXcopy(
DrawablePtr pSrc,
DrawablePtr pDst,
int rop,
RegionPtr prgnDst,
DDXPointPtr pptSrc,
unsigned long pm
){
cfb8_32DoBitBlt(pSrc, pDst, prgnDst, pptSrc, Do8To8Blt);
}
void
cfbDoBitblt24To24GXcopy(
DrawablePtr pSrc,
DrawablePtr pDst,
int rop,
RegionPtr prgnDst,
DDXPointPtr pptSrc,
unsigned long pm
){
cfb8_32DoBitBlt(pSrc, pDst, prgnDst, pptSrc, Do24To24Blt);
}
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