diff options
Diffstat (limited to 'xorg-server/hw/kdrive/src/kaa.c')
| -rw-r--r-- | xorg-server/hw/kdrive/src/kaa.c | 1081 |
1 files changed, 1081 insertions, 0 deletions
diff --git a/xorg-server/hw/kdrive/src/kaa.c b/xorg-server/hw/kdrive/src/kaa.c new file mode 100644 index 000000000..db09e9dba --- /dev/null +++ b/xorg-server/hw/kdrive/src/kaa.c @@ -0,0 +1,1081 @@ +/* + * 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 <kdrive-config.h> +#endif +#include "kdrive.h" +#include "kaa.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 + +DevPrivateKey kaaScreenPrivateKey = &kaaScreenPrivateKey; +DevPrivateKey kaaPixmapPrivateKey = &kaaPixmapPrivateKey; + +#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 + + kaaWaitSync (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->pitchAlign - 1) & + ~(pKaaScr->info->pitchAlign - 1); + + pKaaPixmap->devKind = pPixmap->devKind; + pKaaPixmap->devPrivate = pPixmap->devPrivate; + pKaaPixmap->area = KdOffscreenAlloc (pScreen, pitch * h, + pKaaScr->info->offsetAlign, + 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, (char *) src, src_pitch)) + return; + } + + dst = pPixmap->devPrivate.ptr; + dst_pitch = pPixmap->devKind; + + bytes = src_pitch < dst_pitch ? src_pitch : dst_pitch; + + kaaWaitSync (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, unsigned usage_hint) +{ + 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, usage_hint); + 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); +} + +#if 0 +static void +kaaFillTiled(int dst_x, + int dst_y, + int width, + int height, + int src_x, + int src_y, + int src_width, + int src_height, + void (*Copy) (int srcX, + int srcY, + int dstX, + int dstY, + int width, + int height)) +{ + modulus (src_x, src_width, src_x); + modulus (src_y, src_height, src_y); + + while (height) + { + int dst_x_tmp = dst_x; + int src_x_tmp = src_x; + int width_tmp = width; + int height_left = src_height - src_y; + int height_this = min (height, height_left); + + while (width_tmp) + { + int width_left = src_width - src_x_tmp; + int width_this = min (width_tmp, width_left); + + (*Copy) (src_x_tmp, src_y, + dst_x_tmp, dst_y, + width_this, height_this); + + width_tmp -= width_this; + dst_x_tmp += width_this; + } + height -= height_this; + dst_y += height_this; + src_y = 0; + } +} +#endif + +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); + kaaMarkSync (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) (); + kaaMarkSync (pDstDrawable->pScreen); + } + else + { + kaaWaitSync (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); + kaaMarkSync (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)) + { + kaaWaitSync (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); + kaaMarkSync (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; + } + + kaaWaitSync (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, +}; + +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) (); + kaaMarkSync (pDrawable->pScreen); + } + else + { + kaaWaitSync (pDrawable->pScreen); + fbFillRegionSolid (pDrawable, pRegion, 0, + fbReplicatePixel (pixel, pDrawable->bitsPerPixel)); + } + kaaDrawableDirty (pDrawable); +} + +Bool +kaaDrawInit (ScreenPtr pScreen, + KaaScreenInfoPtr pScreenInfo) +{ + KaaScreenPrivPtr pKaaScr; + KdScreenPriv(pScreen); + KdScreenInfo *screen = pScreenPriv->screen; +#ifdef RENDER + PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); +#endif + + pKaaScr = xalloc (sizeof (KaaScreenPrivRec)); + + if (!pKaaScr) + return FALSE; + + pKaaScr->info = pScreenInfo; + + dixSetPrivate(&pScreen->devPrivates, kaaScreenPrivateKey, pKaaScr); + + /* + * Hook up asynchronous drawing + */ + KdScreenInitAsync (pScreen); + /* + * Replace various fb screen functions + */ + pScreen->CreateGC = kaaCreateGC; + pScreen->CopyWindow = kaaCopyWindow; +#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 (!dixRequestPrivate(kaaPixmapPrivateKey, sizeof (KaaPixmapPrivRec))) + return FALSE; + pScreen->CreatePixmap = kaaCreatePixmap; + pScreen->DestroyPixmap = kaaDestroyPixmap; + } + + return TRUE; +} + +void +kaaDrawFini (ScreenPtr pScreen) +{ + KaaScreenPriv(pScreen); + + xfree (pKaaScr); +} + +void +kaaMarkSync (ScreenPtr pScreen) +{ + KdScreenPriv(pScreen); + KaaScreenPriv(pScreen); + + pScreenPriv->card->needSync = TRUE; + if (pKaaScr->info->markSync != NULL) { + pScreenPriv->card->lastMarker = (*pKaaScr->info->markSync) (pScreen); + } +} + +void +kaaWaitSync (ScreenPtr pScreen) +{ + KdScreenPriv(pScreen); + KaaScreenPriv(pScreen); + KdCardInfo *card = pScreenPriv->card; + + if (card->needSync) { + (*pKaaScr->info->waitMarker) (pScreen, card->lastMarker); + card->needSync = FALSE; + } +} |