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xserver/hw/kdrive/src/kaa.c
Eric Anholt 6ec9ecd591 Add a set of three hooks for accelerating trapezoids, and use it for the 
RasterizeTrapezoid screen function. These hooks will be called for
    imprecise, non-sharp trapezoids with A8 destinations.
Note that the current main consumer of trapezoids, cairo, is requesting
    precise, sharp trapezoids by not changing the default Picture
    attributes, but gets non-sharp effects in software because fb bases its
    choice of sharp/non-sharp on the mask format being A8 vs A1, and cairo
    asks for A8. Follow fb's (poor?) example by ignoring the sharp setting
    and basing the choice off of the mask being A8.
2004-08-30 22:16:46 +00:00

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/*
* $RCSId: xc/programs/Xserver/hw/kdrive/kaa.c,v 1.4 2001/06/04 09:45:41 keithp Exp $
*
* Copyright © 2001 Keith Packard
*
* Partly based on code that is Copyright © The XFree86 Project Inc.
*
* 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_CONFIG_H
#include <config.h>
#endif
#include "kdrive.h"
#include "kaa.h"
#include "fontstruct.h"
#include "dixfontstr.h"
#define DEBUG_MIGRATE 0
#define DEBUG_PIXMAP 0
#if DEBUG_MIGRATE
#define DBG_MIGRATE(a) ErrorF a
#else
#define DBG_MIGRATE(a)
#endif
#if DEBUG_PIXMAP
#define DBG_PIXMAP(a) ErrorF a
#else
#define DBG_PIXMAP(a)
#endif
int kaaGeneration;
int kaaScreenPrivateIndex;
int kaaPixmapPrivateIndex;
#define KAA_PIXMAP_SCORE_MOVE_IN 10
#define KAA_PIXMAP_SCORE_MAX 20
#define KAA_PIXMAP_SCORE_MOVE_OUT -10
#define KAA_PIXMAP_SCORE_MIN -20
#define KAA_PIXMAP_SCORE_PINNED 1000
#define KAA_PIXMAP_SCORE_INIT 1001
void
kaaDrawableDirty (DrawablePtr pDrawable)
{
PixmapPtr pPixmap;
KaaPixmapPrivPtr pKaaPixmap;
if (pDrawable->type == DRAWABLE_WINDOW)
pPixmap = (*pDrawable->pScreen->GetWindowPixmap)((WindowPtr) pDrawable);
else
pPixmap = (PixmapPtr)pDrawable;
pKaaPixmap = KaaGetPixmapPriv(pPixmap);
if (pKaaPixmap != NULL)
pKaaPixmap->dirty = TRUE;
}
static void
kaaPixmapSave (ScreenPtr pScreen, KdOffscreenArea *area)
{
PixmapPtr pPixmap = area->privData;
KaaPixmapPriv(pPixmap);
int dst_pitch, src_pitch, bytes;
unsigned char *dst, *src;
int i;
DBG_MIGRATE (("Save 0x%08x (0x%x) (%dx%d)\n",
pPixmap->drawable.id,
KaaGetPixmapPriv(pPixmap)->area ?
KaaGetPixmapPriv(pPixmap)->area->offset : -1,
pPixmap->drawable.width,
pPixmap->drawable.height));
src_pitch = pPixmap->devKind;
dst_pitch = pKaaPixmap->devKind;
src = pPixmap->devPrivate.ptr;
dst = pKaaPixmap->devPrivate.ptr;
pPixmap->devKind = dst_pitch;
pPixmap->devPrivate.ptr = dst;
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pKaaPixmap->area = NULL;
#if 0
if (!pKaaPixmap->dirty)
return;
#endif
KdCheckSync (pPixmap->drawable.pScreen);
bytes = src_pitch < dst_pitch ? src_pitch : dst_pitch;
i = pPixmap->drawable.height;
while (i--) {
memcpy (dst, src, bytes);
dst += dst_pitch;
src += src_pitch;
}
}
static int
kaaLog2(int val)
{
int bits;
if (!val)
return 0;
for (bits = 0; val != 0; bits++)
val >>= 1;
return bits - 1;
}
static Bool
kaaPixmapAllocArea (PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
KaaScreenPriv (pScreen);
KaaPixmapPriv (pPixmap);
KdScreenPriv (pScreen);
int bpp = pPixmap->drawable.bitsPerPixel;
CARD16 h = pPixmap->drawable.height;
CARD16 w = pPixmap->drawable.width;
int pitch;
if (pKaaScr->info->flags & KAA_OFFSCREEN_ALIGN_POT && w != 1)
w = 1 << (kaaLog2(w - 1) + 1);
pitch = (w * bpp / 8 + pKaaScr->info->offscreenPitch - 1) &
~(pKaaScr->info->offscreenPitch - 1);
pKaaPixmap->devKind = pPixmap->devKind;
pKaaPixmap->devPrivate = pPixmap->devPrivate;
pKaaPixmap->area = KdOffscreenAlloc (pScreen, pitch * h,
pKaaScr->info->offscreenByteAlign,
FALSE,
kaaPixmapSave, (pointer) pPixmap);
if (!pKaaPixmap->area)
return FALSE;
DBG_PIXMAP(("++ 0x%08x (0x%x) (%dx%d)\n",
pPixmap->drawable.id,
KaaGetPixmapPriv(pPixmap)->area ?
KaaGetPixmapPriv(pPixmap)->area->offset : -1,
pPixmap->drawable.width,
pPixmap->drawable.height));
pPixmap->devKind = pitch;
pPixmap->devPrivate.ptr = (pointer) ((CARD8 *) pScreenPriv->screen->memory_base + pKaaPixmap->area->offset);
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
return TRUE;
}
void
kaaMoveInPixmap (PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
KaaScreenPriv (pScreen);
KaaPixmapPriv (pPixmap);
int dst_pitch, src_pitch, bytes;
unsigned char *dst, *src;
int i;
DBG_MIGRATE (("-> 0x%08x (0x%x) (%dx%d)\n",
pPixmap->drawable.id,
KaaGetPixmapPriv(pPixmap)->area ?
KaaGetPixmapPriv(pPixmap)->area->offset : -1,
pPixmap->drawable.width,
pPixmap->drawable.height));
src = pPixmap->devPrivate.ptr;
src_pitch = pPixmap->devKind;
if (!kaaPixmapAllocArea (pPixmap))
return;
pKaaPixmap->dirty = FALSE;
if (pKaaScr->info->UploadToScreen)
{
if (pKaaScr->info->UploadToScreen(pPixmap, src, src_pitch))
return;
}
dst = pPixmap->devPrivate.ptr;
dst_pitch = pPixmap->devKind;
bytes = src_pitch < dst_pitch ? src_pitch : dst_pitch;
KdCheckSync (pPixmap->drawable.pScreen);
i = pPixmap->drawable.height;
while (i--) {
memcpy (dst, src, bytes);
dst += dst_pitch;
src += src_pitch;
}
}
static void
kaaMoveOutPixmap (PixmapPtr pPixmap)
{
KaaPixmapPriv (pPixmap);
KdOffscreenArea *area = pKaaPixmap->area;
DBG_MIGRATE (("<- 0x%08x (0x%x) (%dx%d)\n",
pPixmap->drawable.id,
KaaGetPixmapPriv(pPixmap)->area ?
KaaGetPixmapPriv(pPixmap)->area->offset : -1,
pPixmap->drawable.width,
pPixmap->drawable.height));
if (area)
{
kaaPixmapSave (pPixmap->drawable.pScreen, area);
KdOffscreenFree (pPixmap->drawable.pScreen, area);
}
}
void
kaaPixmapUseScreen (PixmapPtr pPixmap)
{
KaaPixmapPriv (pPixmap);
if (pKaaPixmap->score == KAA_PIXMAP_SCORE_PINNED)
return;
if (pKaaPixmap->score == KAA_PIXMAP_SCORE_INIT) {
kaaMoveInPixmap(pPixmap);
pKaaPixmap->score = 0;
}
if (pKaaPixmap->score < KAA_PIXMAP_SCORE_MAX)
{
pKaaPixmap->score++;
if (!kaaPixmapIsOffscreen(pPixmap) &&
pKaaPixmap->score >= KAA_PIXMAP_SCORE_MOVE_IN)
kaaMoveInPixmap (pPixmap);
}
KdOffscreenMarkUsed (pPixmap);
}
void
kaaPixmapUseMemory (PixmapPtr pPixmap)
{
KaaPixmapPriv (pPixmap);
if (pKaaPixmap->score == KAA_PIXMAP_SCORE_PINNED)
return;
if (pKaaPixmap->score == KAA_PIXMAP_SCORE_INIT)
pKaaPixmap->score = 0;
if (pKaaPixmap->score > KAA_PIXMAP_SCORE_MIN)
{
pKaaPixmap->score--;
if (pKaaPixmap->area &&
pKaaPixmap->score <= KAA_PIXMAP_SCORE_MOVE_OUT)
kaaMoveOutPixmap (pPixmap);
}
}
static Bool
kaaDestroyPixmap (PixmapPtr pPixmap)
{
if (pPixmap->refcnt == 1)
{
KaaPixmapPriv (pPixmap);
if (pKaaPixmap->area)
{
DBG_PIXMAP(("-- 0x%08x (0x%x) (%dx%d)\n",
pPixmap->drawable.id,
KaaGetPixmapPriv(pPixmap)->area->offset,
pPixmap->drawable.width,
pPixmap->drawable.height));
/* Free the offscreen area */
KdOffscreenFree (pPixmap->drawable.pScreen, pKaaPixmap->area);
pPixmap->devPrivate = pKaaPixmap->devPrivate;
pPixmap->devKind = pKaaPixmap->devKind;
}
}
return fbDestroyPixmap (pPixmap);
}
static PixmapPtr
kaaCreatePixmap(ScreenPtr pScreen, int w, int h, int depth)
{
PixmapPtr pPixmap;
KaaPixmapPrivPtr pKaaPixmap;
int bpp;
bpp = BitsPerPixel (depth);
if (bpp == 32 && depth == 24)
{
int fb;
KdScreenPriv (pScreen);
for (fb = 0; fb < KD_MAX_FB && pScreenPriv->screen->fb[fb].depth; fb++)
if (pScreenPriv->screen->fb[fb].depth == 24)
{
bpp = pScreenPriv->screen->fb[fb].bitsPerPixel;
break;
}
}
pPixmap = fbCreatePixmapBpp (pScreen, w, h, depth, bpp);
if (!pPixmap)
return NULL;
pKaaPixmap = KaaGetPixmapPriv(pPixmap);
if (!w || !h)
pKaaPixmap->score = KAA_PIXMAP_SCORE_PINNED;
else
pKaaPixmap->score = KAA_PIXMAP_SCORE_INIT;
pKaaPixmap->area = NULL;
pKaaPixmap->dirty = FALSE;
return pPixmap;
}
Bool
kaaPixmapIsOffscreen(PixmapPtr p)
{
ScreenPtr pScreen = p->drawable.pScreen;
KdScreenPriv(pScreen);
return ((unsigned long) ((CARD8 *) p->devPrivate.ptr -
(CARD8 *) pScreenPriv->screen->memory_base) <
pScreenPriv->screen->memory_size);
}
PixmapPtr
kaaGetOffscreenPixmap (DrawablePtr pDrawable, int *xp, int *yp)
{
PixmapPtr pPixmap;
int x, y;
if (pDrawable->type == DRAWABLE_WINDOW) {
pPixmap = (*pDrawable->pScreen->GetWindowPixmap) ((WindowPtr) pDrawable);
#ifdef COMPOSITE
x = -pPixmap->screen_x;
y = -pPixmap->screen_y;
#else
x = 0;
y = 0;
#endif
}
else
{
pPixmap = (PixmapPtr) pDrawable;
x = 0;
y = 0;
}
*xp = x;
*yp = y;
if (kaaPixmapIsOffscreen (pPixmap))
return pPixmap;
else
return NULL;
}
Bool
kaaDrawableIsOffscreen (DrawablePtr pDrawable)
{
PixmapPtr pPixmap;
if (pDrawable->type == DRAWABLE_WINDOW)
pPixmap = (*pDrawable->pScreen->GetWindowPixmap) ((WindowPtr) pDrawable);
else
pPixmap = (PixmapPtr) pDrawable;
return kaaPixmapIsOffscreen (pPixmap);
}
static void
kaaFillSpans(DrawablePtr pDrawable, GCPtr pGC, int n,
DDXPointPtr ppt, int *pwidth, int fSorted)
{
ScreenPtr pScreen = pDrawable->pScreen;
KdScreenPriv (pScreen);
KaaScreenPriv (pScreen);
RegionPtr pClip = fbGetCompositeClip(pGC);
PixmapPtr pPixmap;
BoxPtr pextent, pbox;
int nbox;
int extentX1, extentX2, extentY1, extentY2;
int fullX1, fullX2, fullY1;
int partX1, partX2;
int off_x, off_y;
if (!pScreenPriv->enabled ||
pGC->fillStyle != FillSolid ||
!(pPixmap = kaaGetOffscreenPixmap (pDrawable, &off_x, &off_y)) ||
!(*pKaaScr->info->PrepareSolid) (pPixmap,
pGC->alu,
pGC->planemask,
pGC->fgPixel))
{
KdCheckFillSpans (pDrawable, pGC, n, ppt, pwidth, fSorted);
return;
}
pextent = REGION_EXTENTS(pGC->pScreen, pClip);
extentX1 = pextent->x1;
extentY1 = pextent->y1;
extentX2 = pextent->x2;
extentY2 = pextent->y2;
while (n--)
{
fullX1 = ppt->x;
fullY1 = ppt->y;
fullX2 = fullX1 + (int) *pwidth;
ppt++;
pwidth++;
if (fullY1 < extentY1 || extentY2 <= fullY1)
continue;
if (fullX1 < extentX1)
fullX1 = extentX1;
if (fullX2 > extentX2)
fullX2 = extentX2;
if (fullX1 >= fullX2)
continue;
nbox = REGION_NUM_RECTS (pClip);
if (nbox == 1)
{
(*pKaaScr->info->Solid) (fullX1 + off_x, fullY1 + off_y,
fullX2 + off_x, fullY1 + 1 + off_y);
}
else
{
pbox = REGION_RECTS(pClip);
while(nbox--)
{
if (pbox->y1 <= fullY1 && fullY1 < pbox->y2)
{
partX1 = pbox->x1;
if (partX1 < fullX1)
partX1 = fullX1;
partX2 = pbox->x2;
if (partX2 > fullX2)
partX2 = fullX2;
if (partX2 > partX1)
(*pKaaScr->info->Solid) (partX1 + off_x, fullY1 + off_y,
partX2 + off_x, fullY1 + 1 + off_y);
}
pbox++;
}
}
}
(*pKaaScr->info->DoneSolid) ();
kaaDrawableDirty (pDrawable);
KdMarkSync(pDrawable->pScreen);
}
void
kaaCopyNtoN (DrawablePtr pSrcDrawable,
DrawablePtr pDstDrawable,
GCPtr pGC,
BoxPtr pbox,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown,
Pixel bitplane,
void *closure)
{
KdScreenPriv (pDstDrawable->pScreen);
KaaScreenPriv (pDstDrawable->pScreen);
PixmapPtr pSrcPixmap, pDstPixmap;
int src_off_x, src_off_y;
int dst_off_x, dst_off_y;
/* Migrate pixmaps to same place as destination */
if (pScreenPriv->enabled && pSrcDrawable->type == DRAWABLE_PIXMAP) {
if (kaaDrawableIsOffscreen (pDstDrawable))
kaaPixmapUseScreen ((PixmapPtr) pSrcDrawable);
else
kaaPixmapUseMemory ((PixmapPtr) pSrcDrawable);
}
if (pScreenPriv->enabled &&
(pSrcPixmap = kaaGetOffscreenPixmap (pSrcDrawable, &src_off_x, &src_off_y)) &&
(pDstPixmap = kaaGetOffscreenPixmap (pDstDrawable, &dst_off_x, &dst_off_y)) &&
(*pKaaScr->info->PrepareCopy) (pSrcPixmap,
pDstPixmap,
dx,
dy,
pGC ? pGC->alu : GXcopy,
pGC ? pGC->planemask : FB_ALLONES))
{
while (nbox--)
{
(*pKaaScr->info->Copy) (pbox->x1 + dx + src_off_x,
pbox->y1 + dy + src_off_y,
pbox->x1 + dst_off_x, pbox->y1 + dst_off_y,
pbox->x2 - pbox->x1,
pbox->y2 - pbox->y1);
pbox++;
}
(*pKaaScr->info->DoneCopy) ();
KdMarkSync(pDstDrawable->pScreen);
}
else
{
KdCheckSync (pDstDrawable->pScreen);
fbCopyNtoN (pSrcDrawable, pDstDrawable, pGC,
pbox, nbox, dx, dy, reverse, upsidedown,
bitplane, closure);
}
kaaDrawableDirty (pDstDrawable);
}
static RegionPtr
kaaCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC,
int srcx, int srcy, int width, int height, int dstx, int dsty)
{
return fbDoCopy (pSrcDrawable, pDstDrawable, pGC,
srcx, srcy, width, height,
dstx, dsty, kaaCopyNtoN, 0, 0);
}
static void
kaaPolyFillRect(DrawablePtr pDrawable,
GCPtr pGC,
int nrect,
xRectangle *prect)
{
KdScreenPriv (pDrawable->pScreen);
KaaScreenPriv (pDrawable->pScreen);
RegionPtr pClip = fbGetCompositeClip(pGC);
PixmapPtr pPixmap;
register BoxPtr pbox;
BoxPtr pextent;
int extentX1, extentX2, extentY1, extentY2;
int fullX1, fullX2, fullY1, fullY2;
int partX1, partX2, partY1, partY2;
int xoff, yoff;
int xorg, yorg;
int n;
if (!pScreenPriv->enabled ||
pGC->fillStyle != FillSolid ||
!(pPixmap = kaaGetOffscreenPixmap (pDrawable, &xoff, &yoff)) ||
!(*pKaaScr->info->PrepareSolid) (pPixmap,
pGC->alu,
pGC->planemask,
pGC->fgPixel))
{
KdCheckPolyFillRect (pDrawable, pGC, nrect, prect);
return;
}
xorg = pDrawable->x;
yorg = pDrawable->y;
pextent = REGION_EXTENTS(pGC->pScreen, pClip);
extentX1 = pextent->x1;
extentY1 = pextent->y1;
extentX2 = pextent->x2;
extentY2 = pextent->y2;
while (nrect--)
{
fullX1 = prect->x + xorg;
fullY1 = prect->y + yorg;
fullX2 = fullX1 + (int) prect->width;
fullY2 = fullY1 + (int) prect->height;
prect++;
if (fullX1 < extentX1)
fullX1 = extentX1;
if (fullY1 < extentY1)
fullY1 = extentY1;
if (fullX2 > extentX2)
fullX2 = extentX2;
if (fullY2 > extentY2)
fullY2 = extentY2;
if ((fullX1 >= fullX2) || (fullY1 >= fullY2))
continue;
n = REGION_NUM_RECTS (pClip);
if (n == 1)
{
(*pKaaScr->info->Solid) (fullX1 + xoff, fullY1 + yoff,
fullX2 + xoff, fullY2 + yoff);
}
else
{
pbox = REGION_RECTS(pClip);
/*
* clip the rectangle to each box in the clip region
* this is logically equivalent to calling Intersect()
*/
while(n--)
{
partX1 = pbox->x1;
if (partX1 < fullX1)
partX1 = fullX1;
partY1 = pbox->y1;
if (partY1 < fullY1)
partY1 = fullY1;
partX2 = pbox->x2;
if (partX2 > fullX2)
partX2 = fullX2;
partY2 = pbox->y2;
if (partY2 > fullY2)
partY2 = fullY2;
pbox++;
if (partX1 < partX2 && partY1 < partY2)
(*pKaaScr->info->Solid) (partX1 + xoff, partY1 + yoff,
partX2 + xoff, partY2 + yoff);
}
}
}
(*pKaaScr->info->DoneSolid) ();
kaaDrawableDirty (pDrawable);
KdMarkSync(pDrawable->pScreen);
}
static void
kaaSolidBoxClipped (DrawablePtr pDrawable,
RegionPtr pClip,
FbBits pm,
FbBits fg,
int x1,
int y1,
int x2,
int y2)
{
KdScreenPriv (pDrawable->pScreen);
KaaScreenPriv (pDrawable->pScreen);
PixmapPtr pPixmap;
BoxPtr pbox;
int nbox;
int xoff, yoff;
int partX1, partX2, partY1, partY2;
if (!pScreenPriv->enabled ||
!(pPixmap = kaaGetOffscreenPixmap (pDrawable, &xoff, &yoff)) ||
!(*pKaaScr->info->PrepareSolid) (pPixmap, GXcopy, pm, fg))
{
KdCheckSync (pDrawable->pScreen);
fg = fbReplicatePixel (fg, pDrawable->bitsPerPixel);
fbSolidBoxClipped (pDrawable, pClip, x1, y1, x2, y2,
fbAnd (GXcopy, fg, pm),
fbXor (GXcopy, fg, pm));
kaaDrawableDirty (pDrawable);
return;
}
for (nbox = REGION_NUM_RECTS(pClip), pbox = REGION_RECTS(pClip);
nbox--;
pbox++)
{
partX1 = pbox->x1;
if (partX1 < x1)
partX1 = x1;
partX2 = pbox->x2;
if (partX2 > x2)
partX2 = x2;
if (partX2 <= partX1)
continue;
partY1 = pbox->y1;
if (partY1 < y1)
partY1 = y1;
partY2 = pbox->y2;
if (partY2 > y2)
partY2 = y2;
if (partY2 <= partY1)
continue;
(*pKaaScr->info->Solid) (partX1 + xoff, partY1 + yoff,
partX2 + xoff, partY2 + yoff);
}
(*pKaaScr->info->DoneSolid) ();
kaaDrawableDirty (pDrawable);
KdMarkSync(pDrawable->pScreen);
}
static void
kaaImageGlyphBlt (DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
unsigned int nglyph,
CharInfoPtr *ppciInit,
pointer pglyphBase)
{
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
CharInfoPtr *ppci;
CharInfoPtr pci;
unsigned char *pglyph; /* pointer bits in glyph */
int gWidth, gHeight; /* width and height of glyph */
FbStride gStride; /* stride of glyph */
Bool opaque;
int n;
int gx, gy;
void (*glyph) (FbBits *,
FbStride,
int,
FbStip *,
FbBits,
int,
int);
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
FbBits depthMask;
depthMask = FbFullMask(pDrawable->depth);
if ((pGC->planemask & depthMask) != depthMask)
{
KdCheckImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppciInit, pglyphBase);
return;
}
glyph = 0;
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
switch (dstBpp) {
case 8: glyph = fbGlyph8; break;
case 16: glyph = fbGlyph16; break;
case 24: glyph = fbGlyph24; break;
case 32: glyph = fbGlyph32; break;
}
x += pDrawable->x;
y += pDrawable->y;
if (TERMINALFONT (pGC->font) && !glyph)
{
opaque = TRUE;
}
else
{
int xBack, widthBack;
int yBack, heightBack;
ppci = ppciInit;
n = nglyph;
widthBack = 0;
while (n--)
widthBack += (*ppci++)->metrics.characterWidth;
xBack = x;
if (widthBack < 0)
{
xBack += widthBack;
widthBack = -widthBack;
}
yBack = y - FONTASCENT(pGC->font);
heightBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
kaaSolidBoxClipped (pDrawable,
fbGetCompositeClip(pGC),
pGC->planemask,
pGC->bgPixel,
xBack,
yBack,
xBack + widthBack,
yBack + heightBack);
opaque = FALSE;
}
KdCheckSync (pDrawable->pScreen);
kaaDrawableDirty (pDrawable);
ppci = ppciInit;
while (nglyph--)
{
pci = *ppci++;
pglyph = FONTGLYPHBITS(pglyphBase, pci);
gWidth = GLYPHWIDTHPIXELS(pci);
gHeight = GLYPHHEIGHTPIXELS(pci);
if (gWidth && gHeight)
{
gx = x + pci->metrics.leftSideBearing;
gy = y - pci->metrics.ascent;
if (glyph && gWidth <= sizeof (FbStip) * 8 &&
fbGlyphIn (fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight))
{
(*glyph) (dst + (gy + dstYoff) * dstStride,
dstStride,
dstBpp,
(FbStip *) pglyph,
pPriv->fg,
gx + dstXoff,
gHeight);
}
else
{
gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip);
fbPutXYImage (pDrawable,
fbGetCompositeClip(pGC),
pPriv->fg,
pPriv->bg,
pPriv->pm,
GXcopy,
opaque,
gx,
gy,
gWidth, gHeight,
(FbStip *) pglyph,
gStride,
0);
}
}
x += pci->metrics.characterWidth;
}
}
static const GCOps kaaOps = {
kaaFillSpans,
KdCheckSetSpans,
KdCheckPutImage,
kaaCopyArea,
KdCheckCopyPlane,
KdCheckPolyPoint,
KdCheckPolylines,
KdCheckPolySegment,
miPolyRectangle,
KdCheckPolyArc,
miFillPolygon,
kaaPolyFillRect,
miPolyFillArc,
miPolyText8,
miPolyText16,
miImageText8,
miImageText16,
kaaImageGlyphBlt,
KdCheckPolyGlyphBlt,
KdCheckPushPixels,
#ifdef NEED_LINEHELPER
,NULL
#endif
};
static void
kaaValidateGC (GCPtr pGC, Mask changes, DrawablePtr pDrawable)
{
fbValidateGC (pGC, changes, pDrawable);
if (kaaDrawableIsOffscreen (pDrawable))
pGC->ops = (GCOps *) &kaaOps;
else
pGC->ops = (GCOps *) &kdAsyncPixmapGCOps;
}
GCFuncs kaaGCFuncs = {
kaaValidateGC,
miChangeGC,
miCopyGC,
miDestroyGC,
miChangeClip,
miDestroyClip,
miCopyClip
};
static int
kaaCreateGC (GCPtr pGC)
{
if (!fbCreateGC (pGC))
return FALSE;
pGC->funcs = &kaaGCFuncs;
return TRUE;
}
static void
kaaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
RegionRec rgnDst;
int dx, dy;
PixmapPtr pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
REGION_INIT (pWin->drawable.pScreen, &rgnDst, NullBox, 0);
REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
#ifdef COMPOSITE
if (pPixmap->screen_x || pPixmap->screen_y)
REGION_TRANSLATE (pWin->drawable.pScreen, &rgnDst,
-pPixmap->screen_x, -pPixmap->screen_y);
#endif
fbCopyRegion (&pPixmap->drawable, &pPixmap->drawable,
0,
&rgnDst, dx, dy, kaaCopyNtoN, 0, 0);
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
}
static void
kaaFillRegionSolid (DrawablePtr pDrawable,
RegionPtr pRegion,
Pixel pixel)
{
KdScreenPriv(pDrawable->pScreen);
KaaScreenPriv(pDrawable->pScreen);
PixmapPtr pPixmap;
int xoff, yoff;
if (pScreenPriv->enabled &&
(pPixmap = kaaGetOffscreenPixmap (pDrawable, &xoff, &yoff)) &&
(*pKaaScr->info->PrepareSolid) (pPixmap, GXcopy, FB_ALLONES, pixel))
{
int nbox = REGION_NUM_RECTS (pRegion);
BoxPtr pBox = REGION_RECTS (pRegion);
while (nbox--)
{
(*pKaaScr->info->Solid) (pBox->x1 + xoff, pBox->y1 + yoff,
pBox->x2 + xoff, pBox->y2 + yoff);
pBox++;
}
(*pKaaScr->info->DoneSolid) ();
KdMarkSync(pDrawable->pScreen);
}
else
{
KdCheckSync (pDrawable->pScreen);
fbFillRegionSolid (pDrawable, pRegion, 0,
fbReplicatePixel (pixel, pDrawable->bitsPerPixel));
}
kaaDrawableDirty (pDrawable);
}
static void
kaaPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what)
{
if (!REGION_NUM_RECTS(pRegion))
return;
switch (what) {
case PW_BACKGROUND:
switch (pWin->backgroundState) {
case None:
return;
case ParentRelative:
do {
pWin = pWin->parent;
} while (pWin->backgroundState == ParentRelative);
(*pWin->drawable.pScreen->PaintWindowBackground)(pWin, pRegion,
what);
return;
case BackgroundPixel:
kaaFillRegionSolid((DrawablePtr)pWin, pRegion, pWin->background.pixel);
return;
}
break;
case PW_BORDER:
if (pWin->borderIsPixel)
{
kaaFillRegionSolid((DrawablePtr)pWin, pRegion, pWin->border.pixel);
return;
}
break;
}
KdCheckPaintWindow (pWin, pRegion, what);
}
Bool
kaaDrawInit (ScreenPtr pScreen,
KaaScreenInfoPtr pScreenInfo)
{
KaaScreenPrivPtr pKaaScr;
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
#ifdef RENDER
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
#endif
if (kaaGeneration != serverGeneration)
{
kaaScreenPrivateIndex = AllocateScreenPrivateIndex();
kaaPixmapPrivateIndex = AllocatePixmapPrivateIndex();
kaaGeneration = serverGeneration;
}
pKaaScr = xalloc (sizeof (KaaScreenPrivRec));
if (!pKaaScr)
return FALSE;
pKaaScr->info = pScreenInfo;
pScreen->devPrivates[kaaScreenPrivateIndex].ptr = (pointer) pKaaScr;
/*
* Hook up asynchronous drawing
*/
KdScreenInitAsync (pScreen);
/*
* Replace various fb screen functions
*/
pScreen->CreateGC = kaaCreateGC;
pScreen->CopyWindow = kaaCopyWindow;
pScreen->PaintWindowBackground = kaaPaintWindow;
pScreen->PaintWindowBorder = kaaPaintWindow;
#ifdef RENDER
if (ps) {
ps->Composite = kaaComposite;
ps->RasterizeTrapezoid = kaaRasterizeTrapezoid;
}
#endif
/*
* Hookup offscreen pixmaps
*/
if ((pKaaScr->info->flags & KAA_OFFSCREEN_PIXMAPS) &&
screen->off_screen_base < screen->memory_size)
{
if (!AllocatePixmapPrivate(pScreen, kaaPixmapPrivateIndex,
sizeof (KaaPixmapPrivRec)))
return FALSE;
pScreen->CreatePixmap = kaaCreatePixmap;
pScreen->DestroyPixmap = kaaDestroyPixmap;
}
else
{
if (!AllocatePixmapPrivate(pScreen, kaaPixmapPrivateIndex, 0))
return FALSE;
}
return TRUE;
}
void
kaaDrawFini (ScreenPtr pScreen)
{
KaaScreenPriv(pScreen);
xfree (pKaaScr);
}
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