Files
xserver_xsdl/hw/xfree86/xaa/xaaImage.c
Paulo Cesar Pereira de Andrade 31285d063e Make visible symbols required by xorg modules.
This patch exports all symbols required by the compilable
(in a x86 linux computer) xorg/driver/* modules.
  Still missing symbols worth mentioning are:

sunleo
	miFindMaxBand no longer available

intel	(uxa/uxa-accel.c)
	fbShmPutImage no longer available (and should have been static)

mga
	MGAGetClientPointer (should come from matrox's libhal)

  This is not a definitive "visibility" patch, as all it does is to
export missing symbols, but the modules that current don't compile,
may require more symbols once fixed, and third party drivers should
also require more symbols exported.
  A "definitive" patch should export symbols defined in the sdk.
2008-11-28 01:55:11 -02:00

522 lines
13 KiB
C

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include "misc.h"
#include "xf86.h"
#include "xf86_OSproc.h"
#include "servermd.h"
#include <X11/X.h>
#include "scrnintstr.h"
#include "mi.h"
#include "pixmapstr.h"
#include "xf86str.h"
#include "xaa.h"
#include "xaalocal.h"
void XAAMoveDWORDS_FixedBase(
register CARD32* dest,
register CARD32* src,
register int dwords )
{
while(dwords & ~0x03) {
*dest = *src;
*dest = *(src + 1);
*dest = *(src + 2);
*dest = *(src + 3);
dwords -= 4;
src += 4;
}
if(!dwords) return;
*dest = *src;
if(dwords == 1) return;
*dest = *(src + 1);
if(dwords == 2) return;
*dest = *(src + 2);
}
_X_EXPORT void XAAMoveDWORDS(
register CARD32* dest,
register CARD32* src,
register int dwords )
{
while(dwords & ~0x03) {
*dest = *src;
*(dest + 1) = *(src + 1);
*(dest + 2) = *(src + 2);
*(dest + 3) = *(src + 3);
src += 4;
dest += 4;
dwords -= 4;
}
if(!dwords) return;
*dest = *src;
if(dwords == 1) return;
*(dest + 1) = *(src + 1);
if(dwords == 2) return;
*(dest + 2) = *(src + 2);
}
void XAAMoveDWORDS_FixedSrc(
register CARD32* dest,
register CARD32* src,
register int dwords )
{
while(dwords & ~0x03) {
*dest = *src;
*(dest + 1) = *src;
*(dest + 2) = *src;
*(dest + 3) = *src;
dest += 4;
dwords -= 4;
}
if(!dwords) return;
*dest = *src;
if(dwords == 1) return;
*(dest + 1) = *src;
if(dwords == 2) return;
*(dest + 2) = *src;
}
static void
XAAWritePixmap32To24(
ScrnInfoPtr pScrn,
int x, int y, int w, int h,
unsigned char *srcInit,
int srcwidth, /* bytes */
int rop,
unsigned int planemask,
int trans
){
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
int count, dwords = ((w * 3) + 3) >> 2;
CARD32 *src, *dst;
Bool PlusOne = FALSE;
if((infoRec->ImageWriteFlags & CPU_TRANSFER_PAD_QWORD) &&
((dwords * h) & 0x01)) {
PlusOne = TRUE;
}
(*infoRec->SetupForImageWrite)(pScrn, rop, planemask, trans, 24, 24);
(*infoRec->SubsequentImageWriteRect)(pScrn, x, y, w, h, 0);
if(dwords > infoRec->ImageWriteRange) {
dst = (CARD32*)infoRec->ImageWriteBase;
while(h--) {
src = (CARD32*)srcInit;
count = w;
while(count >= 4) {
*dst = (src[0] & 0x00ffffff) | (src[1] << 24);
*dst = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16);
*dst = ((src[2] >> 16) & 0x000000ff) | (src[3] << 8);
src += 4;
count -= 4;
}
switch(count) {
case 0: break;
case 1: *dst = src[0];
break;
case 2: *dst = (src[0] & 0x00ffffff) | (src[1] << 24);
*dst = src[1] >> 8;
break;
default: *dst = (src[0] & 0x00ffffff) | (src[1] << 24);
*dst = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16);
*dst = src[2] >> 16;
break;
}
srcInit += srcwidth;
}
} else {
while(h--) {
dst = (CARD32*)infoRec->ImageWriteBase;
src = (CARD32*)srcInit;
count = w;
while(count >= 4) {
dst[0] = (src[0] & 0x00ffffff) | (src[1] << 24);
dst[1] = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16);
dst[2] = ((src[2] >> 16) & 0x000000ff) | (src[3] << 8);
dst += 3;
src += 4;
count -= 4;
}
switch(count) {
case 0: break;
case 1: dst[0] = src[0];
break;
case 2: dst[0] = (src[0] & 0x00ffffff) | (src[1] << 24);
dst[1] = src[1] >> 8;
break;
default: dst[0] = (src[0] & 0x00ffffff) | (src[1] << 24);
dst[1] = ((src[1] >> 8) & 0x0000ffff) | (src[2] << 16);
dst[2] = src[2] >> 16;
break;
}
srcInit += srcwidth;
}
}
if(PlusOne) {
CARD32* base = (CARD32*)infoRec->ImageWriteBase;
*base = 0x00000000;
}
if(infoRec->ImageWriteFlags & SYNC_AFTER_IMAGE_WRITE)
(*infoRec->Sync)(pScrn);
else SET_SYNC_FLAG(infoRec);
}
void
XAAWritePixmap (
ScrnInfoPtr pScrn,
int x, int y, int w, int h,
unsigned char *src,
int srcwidth, /* bytes */
int rop,
unsigned int planemask,
int trans,
int bpp, int depth
){
XAAInfoRecPtr infoRec;
int dwords, skipleft, Bpp;
Bool beCareful, PlusOne;
if((bpp == 32) && (pScrn->bitsPerPixel == 24)) {
XAAWritePixmap32To24(pScrn, x, y, w, h, src, srcwidth,
rop, planemask, trans);
return;
}
infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
beCareful = PlusOne = FALSE;
Bpp = bpp >> 3;
if((skipleft = (long)src & 0x03L)) {
if(!(infoRec->ImageWriteFlags & LEFT_EDGE_CLIPPING)) {
skipleft = 0;
beCareful = TRUE;
goto BAD_ALIGNMENT;
}
if(Bpp == 3)
skipleft = 4 - skipleft;
else
skipleft /= Bpp;
if((x < skipleft) && !(infoRec->ImageWriteFlags &
LEFT_EDGE_CLIPPING_NEGATIVE_X)) {
skipleft = 0;
beCareful = TRUE;
goto BAD_ALIGNMENT;
}
x -= skipleft;
w += skipleft;
if(Bpp == 3)
src -= 3 * skipleft;
else /* is this Alpha friendly ? */
src = (unsigned char*)((long)src & ~0x03L);
}
BAD_ALIGNMENT:
dwords = ((w * Bpp) + 3) >> 2;
if((infoRec->ImageWriteFlags & CPU_TRANSFER_PAD_QWORD) &&
((dwords * h) & 0x01)) {
PlusOne = TRUE;
}
(*infoRec->SetupForImageWrite)(pScrn, rop, planemask, trans, bpp, depth);
(*infoRec->SubsequentImageWriteRect)(pScrn, x, y, w, h, skipleft);
if(beCareful) {
/* in cases with bad alignment we have to be careful not
to read beyond the end of the source */
if(((x * Bpp) + (dwords << 2)) > srcwidth) h--;
else beCareful = FALSE;
}
if(dwords > infoRec->ImageWriteRange) {
while(h--) {
XAAMoveDWORDS_FixedBase((CARD32*)infoRec->ImageWriteBase,
(CARD32*)src, dwords);
src += srcwidth;
}
if(beCareful) {
int shift = ((long)src & 0x03L) << 3;
if(--dwords)
XAAMoveDWORDS_FixedBase((CARD32*)infoRec->ImageWriteBase,
(CARD32*)src, dwords);
src = (unsigned char*)((long)(src + (dwords << 2)) & ~0x03L);
*((CARD32*)infoRec->ImageWriteBase) = *((CARD32*)src) >> shift;
}
} else {
if(srcwidth == (dwords << 2)) {
int decrement = infoRec->ImageWriteRange/dwords;
while(h > decrement) {
XAAMoveDWORDS((CARD32*)infoRec->ImageWriteBase,
(CARD32*)src, dwords * decrement);
src += (srcwidth * decrement);
h -= decrement;
}
if(h) {
XAAMoveDWORDS((CARD32*)infoRec->ImageWriteBase,
(CARD32*)src, dwords * h);
if(beCareful) src += (srcwidth * h);
}
} else {
while(h--) {
XAAMoveDWORDS((CARD32*)infoRec->ImageWriteBase,
(CARD32*)src, dwords);
src += srcwidth;
}
}
if(beCareful) {
int shift = ((long)src & 0x03L) << 3;
if(--dwords)
XAAMoveDWORDS((CARD32*)infoRec->ImageWriteBase,
(CARD32*)src, dwords);
src = (unsigned char*)((long)(src + (dwords << 2)) & ~0x03L);
((CARD32*)infoRec->ImageWriteBase)[dwords] =
*((CARD32*)src) >> shift;
}
}
if(PlusOne) {
CARD32* base = (CARD32*)infoRec->ImageWriteBase;
*base = 0x00000000;
}
if(infoRec->ImageWriteFlags & SYNC_AFTER_IMAGE_WRITE)
(*infoRec->Sync)(pScrn);
else SET_SYNC_FLAG(infoRec);
}
void
XAAWritePixmapScanline (
ScrnInfoPtr pScrn,
int x, int y, int w, int h,
unsigned char *src,
int srcwidth, /* bytes */
int rop,
unsigned int planemask,
int trans,
int bpp, int depth
){
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
int dwords, skipleft, bufferNo = 0, Bpp = bpp >> 3;
Bool beCareful = FALSE;
CARD32* base;
if((skipleft = (long)src & 0x03L)) {
if(!(infoRec->ScanlineImageWriteFlags & LEFT_EDGE_CLIPPING)) {
skipleft = 0;
beCareful = TRUE;
goto BAD_ALIGNMENT;
}
if(Bpp == 3)
skipleft = 4 - skipleft;
else
skipleft /= Bpp;
if((x < skipleft) && !(infoRec->ScanlineImageWriteFlags &
LEFT_EDGE_CLIPPING_NEGATIVE_X)) {
skipleft = 0;
beCareful = TRUE;
goto BAD_ALIGNMENT;
}
x -= skipleft;
w += skipleft;
if(Bpp == 3)
src -= 3 * skipleft;
else
src = (unsigned char*)((long)src & ~0x03L);
}
BAD_ALIGNMENT:
dwords = ((w * Bpp) + 3) >> 2;
(*infoRec->SetupForScanlineImageWrite)(
pScrn, rop, planemask, trans, bpp, depth);
(*infoRec->SubsequentScanlineImageWriteRect)(pScrn, x, y, w, h, skipleft);
if(beCareful) {
/* in cases with bad alignment we have to be careful not
to read beyond the end of the source */
if(((x * Bpp) + (dwords << 2)) > srcwidth) h--;
else beCareful = FALSE;
}
while(h--) {
base = (CARD32*)infoRec->ScanlineImageWriteBuffers[bufferNo];
XAAMoveDWORDS(base, (CARD32*)src, dwords);
(*infoRec->SubsequentImageWriteScanline)(pScrn, bufferNo++);
src += srcwidth;
if(bufferNo >= infoRec->NumScanlineImageWriteBuffers)
bufferNo = 0;
}
if(beCareful) {
int shift = ((long)src & 0x03L) << 3;
base = (CARD32*)infoRec->ScanlineImageWriteBuffers[bufferNo];
if(--dwords)
XAAMoveDWORDS(base,(CARD32*)src, dwords);
src = (unsigned char*)((long)(src + (dwords << 2)) & ~0x03L);
base[dwords] = *((CARD32*)src) >> shift;
(*infoRec->SubsequentImageWriteScanline)(pScrn, bufferNo);
}
SET_SYNC_FLAG(infoRec);
}
void
XAAPutImage(
DrawablePtr pDraw,
GCPtr pGC,
int depth,
int x,
int y,
int w,
int h,
int leftPad,
int format,
char *pImage
){
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
int bpp = BitsPerPixel(depth);
Bool depthBug = FALSE;
if(!w || !h) return;
if(!REGION_NUM_RECTS(pGC->pCompositeClip))
return;
depthBug = XAA_DEPTH_BUG(pGC);
if(((format == ZPixmap) && infoRec->WritePixmap &&
((pDraw->bitsPerPixel == bpp) ||
((pDraw->bitsPerPixel == 24) && (bpp == 32) &&
(infoRec->WritePixmapFlags & CONVERT_32BPP_TO_24BPP))) &&
CHECK_ROP(pGC,infoRec->WritePixmapFlags) &&
CHECK_ROPSRC(pGC,infoRec->WritePixmapFlags) &&
CHECK_PLANEMASK(pGC,infoRec->WritePixmapFlags) &&
CHECK_NO_GXCOPY(pGC,infoRec->WritePixmapFlags)) ||
((format == XYBitmap) && !depthBug && infoRec->WriteBitmap &&
CHECK_ROP(pGC,infoRec->WriteBitmapFlags) &&
CHECK_ROPSRC(pGC,infoRec->WriteBitmapFlags) &&
CHECK_PLANEMASK(pGC,infoRec->WriteBitmapFlags) &&
CHECK_COLORS(pGC,infoRec->WriteBitmapFlags) &&
!(infoRec->WriteBitmapFlags & TRANSPARENCY_ONLY)) ||
((format == XYPixmap) && !depthBug && infoRec->WriteBitmap &&
CHECK_ROP(pGC,infoRec->WriteBitmapFlags) &&
CHECK_ROPSRC(pGC,infoRec->WriteBitmapFlags) &&
!(infoRec->WriteBitmapFlags & NO_PLANEMASK) &&
!(infoRec->WriteBitmapFlags & TRANSPARENCY_ONLY))){
int MaxBoxes = REGION_NUM_RECTS(pGC->pCompositeClip);
BoxPtr pbox, pClipBoxes;
int nboxes, srcx, srcy, srcwidth;
xRectangle TheRect;
TheRect.x = pDraw->x + x;
TheRect.y = pDraw->y + y;
TheRect.width = w;
TheRect.height = h;
if(MaxBoxes > (infoRec->PreAllocSize/sizeof(BoxRec))) {
pClipBoxes = xalloc(MaxBoxes * sizeof(BoxRec));
if(!pClipBoxes) return;
} else pClipBoxes = (BoxPtr)infoRec->PreAllocMem;
nboxes = XAAGetRectClipBoxes(pGC, pClipBoxes, 1, &TheRect);
pbox = pClipBoxes;
if(format == XYBitmap) {
srcwidth = BitmapBytePad(leftPad + w);
while(nboxes--) {
srcx = pbox->x1 - TheRect.x + leftPad;
srcy = pbox->y1 - TheRect.y;
(*infoRec->WriteBitmap)(infoRec->pScrn, pbox->x1, pbox->y1,
pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,
(unsigned char*)pImage +
(srcwidth * srcy) + ((srcx >> 5) << 2),
srcwidth, srcx & 31, pGC->fgPixel, pGC->bgPixel,
pGC->alu, pGC->planemask);
pbox++;
}
} else if(format == ZPixmap) {
int Bpp = bpp >> 3;
srcwidth = PixmapBytePad(leftPad + w, depth);
while(nboxes--) {
srcx = pbox->x1 - TheRect.x + leftPad;
srcy = pbox->y1 - TheRect.y;
(*infoRec->WritePixmap)(infoRec->pScrn, pbox->x1, pbox->y1,
pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,
(unsigned char*)pImage +
(srcwidth * srcy) + (srcx * Bpp),
srcwidth, pGC->alu, pGC->planemask, -1,
Bpp << 3, depth);
pbox++;
}
} else { /* XYPixmap */
int depth = pGC->depth;
int numBox, increment;
unsigned long i, mask;
BoxPtr pntBox;
srcwidth = BitmapBytePad(w + leftPad);
increment = h * srcwidth;
i = 1 << (depth - 1);
mask = ~0;
if((infoRec->pScrn->overlayFlags & OVERLAY_8_32_PLANAR) &&
(pGC->depth == 8)){
i = 0x80000000; mask = 0xff000000;
}
for(; i & mask; i >>= 1, pImage += increment) {
if(i & pGC->planemask) {
pntBox = pbox;
numBox = nboxes;
while(numBox--) {
srcx = pntBox->x1 - TheRect.x + leftPad;
srcy = pntBox->y1 - TheRect.y;
(*infoRec->WriteBitmap)(infoRec->pScrn,
pntBox->x1, pntBox->y1,
pntBox->x2 - pntBox->x1,
pntBox->y2 - pntBox->y1,
(unsigned char*)pImage +
(srcwidth * srcy) + ((srcx >> 5) << 2),
srcwidth, srcx & 31, ~0, 0, pGC->alu, i);
pntBox++;
}
}
}
}
if(pClipBoxes != (BoxPtr)infoRec->PreAllocMem)
xfree(pClipBoxes);
} else
XAAFallbackOps.PutImage(pDraw, pGC, depth, x, y, w, h, leftPad,
format, pImage);
}