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IABSD.fr/xenocara/xserver/fb/fbfill.c
matthieu
- xserver/fb/fbfill.c
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/* * Copyright © 1998 Keith Packard * * 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_DIX_CONFIG_H #include <dix-config.h> #endif #include "fb.h" static void fbTile(FbBits * dst, FbStride dstStride, int dstX, int width, int height, FbBits * tile, FbStride tileStride, int tileWidth, int tileHeight, int alu, FbBits pm, int bpp, int xRot, int yRot) { int tileX, tileY; int widthTmp; int h, w; int x, y; modulus(-yRot, tileHeight, tileY); y = 0; while (height) { h = tileHeight - tileY; if (h > height) h = height; height -= h; widthTmp = width; x = dstX; modulus(dstX - xRot, tileWidth, tileX); while (widthTmp) { w = tileWidth - tileX; if (w > widthTmp) w = widthTmp; widthTmp -= w; fbBlt(tile + tileY * tileStride, tileStride, tileX, dst + y * dstStride, dstStride, x, w, h, alu, pm, bpp, FALSE, FALSE); x += w; tileX = 0; } y += h; tileY = 0; } } static void fbStipple(FbBits * dst, FbStride dstStride, int dstX, int dstBpp, int width, int height, FbStip * stip, FbStride stipStride, int stipWidth, int stipHeight, FbBits fgand, FbBits fgxor, FbBits bgand, FbBits bgxor, int xRot, int yRot) { int stipX, stipY, sx; int widthTmp; int h, w; int x, y; modulus(-yRot, stipHeight, stipY); modulus(dstX / dstBpp - xRot, stipWidth, stipX); y = 0; while (height) { h = stipHeight - stipY; if (h > height) h = height; height -= h; widthTmp = width; x = dstX; sx = stipX; while (widthTmp) { w = (stipWidth - sx) * dstBpp; if (w > widthTmp) w = widthTmp; widthTmp -= w; fbBltOne(stip + stipY * stipStride, stipStride, sx, dst + y * dstStride, dstStride, x, dstBpp, w, h, fgand, fgxor, bgand, bgxor); x += w; sx = 0; } y += h; stipY = 0; } } void fbFill(DrawablePtr pDrawable, GCPtr pGC, int x, int y, int width, int height) { FbBits *dst; FbStride dstStride; int dstBpp; int dstXoff, dstYoff; FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); switch (pGC->fillStyle) { case FillSolid: #ifndef FB_ACCESS_WRAPPER if (pPriv->and || !pixman_fill((uint32_t *) dst, dstStride, dstBpp, x + dstXoff, y + dstYoff, width, height, pPriv->xor)) #endif fbSolid(dst + (y + dstYoff) * dstStride, dstStride, (x + dstXoff) * dstBpp, dstBpp, width * dstBpp, height, pPriv->and, pPriv->xor); break; case FillStippled: case FillOpaqueStippled:{ PixmapPtr pStip = pGC->stipple; int stipWidth = pStip->drawable.width; int stipHeight = pStip->drawable.height; if (dstBpp == 1) { int alu; FbBits *stip; FbStride stipStride; int stipBpp; _X_UNUSED int stipXoff, stipYoff; if (pGC->fillStyle == FillStippled) alu = FbStipple1Rop(pGC->alu, pGC->fgPixel); else alu = FbOpaqueStipple1Rop(pGC->alu, pGC->fgPixel, pGC->bgPixel); fbGetDrawable(&pStip->drawable, stip, stipStride, stipBpp, stipXoff, stipYoff); fbTile(dst + (y + dstYoff) * dstStride, dstStride, x + dstXoff, width, height, stip, stipStride, stipWidth, stipHeight, alu, pPriv->pm, dstBpp, (pGC->patOrg.x + pDrawable->x + dstXoff), pGC->patOrg.y + pDrawable->y - y); fbFinishAccess(&pStip->drawable); } else { FbStip *stip; FbStride stipStride; int stipBpp; _X_UNUSED int stipXoff, stipYoff; FbBits fgand, fgxor, bgand, bgxor; fgand = pPriv->and; fgxor = pPriv->xor; if (pGC->fillStyle == FillStippled) { bgand = fbAnd(GXnoop, (FbBits) 0, FB_ALLONES); bgxor = fbXor(GXnoop, (FbBits) 0, FB_ALLONES); } else { bgand = pPriv->bgand; bgxor = pPriv->bgxor; } fbGetStipDrawable(&pStip->drawable, stip, stipStride, stipBpp, stipXoff, stipYoff); fbStipple(dst + (y + dstYoff) * dstStride, dstStride, (x + dstXoff) * dstBpp, dstBpp, width * dstBpp, height, stip, stipStride, stipWidth, stipHeight, fgand, fgxor, bgand, bgxor, pGC->patOrg.x + pDrawable->x + dstXoff, pGC->patOrg.y + pDrawable->y - y); fbFinishAccess(&pStip->drawable); } break; } case FillTiled:{ PixmapPtr pTile = pGC->tile.pixmap; FbBits *tile; FbStride tileStride; int tileBpp; int tileWidth; int tileHeight; _X_UNUSED int tileXoff, tileYoff; fbGetDrawable(&pTile->drawable, tile, tileStride, tileBpp, tileXoff, tileYoff); tileWidth = pTile->drawable.width; tileHeight = pTile->drawable.height; fbTile(dst + (y + dstYoff) * dstStride, dstStride, (x + dstXoff) * dstBpp, width * dstBpp, height, tile, tileStride, tileWidth * tileBpp, tileHeight, pGC->alu, pPriv->pm, dstBpp, (pGC->patOrg.x + pDrawable->x + dstXoff) * dstBpp, pGC->patOrg.y + pDrawable->y - y); fbFinishAccess(&pTile->drawable); break; } } fbValidateDrawable(pDrawable); fbFinishAccess(pDrawable); } void fbSolidBoxClipped(DrawablePtr pDrawable, RegionPtr pClip, int x1, int y1, int x2, int y2, FbBits and, FbBits xor) { FbBits *dst; FbStride dstStride; int dstBpp; int dstXoff, dstYoff; BoxPtr pbox; int nbox; int partX1, partX2, partY1, partY2; fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); for (nbox = RegionNumRects(pClip), pbox = RegionRects(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; #ifndef FB_ACCESS_WRAPPER if (and || !pixman_fill((uint32_t *) dst, dstStride, dstBpp, partX1 + dstXoff, partY1 + dstYoff, (partX2 - partX1), (partY2 - partY1), xor)) #endif fbSolid(dst + (partY1 + dstYoff) * dstStride, dstStride, (partX1 + dstXoff) * dstBpp, dstBpp, (partX2 - partX1) * dstBpp, (partY2 - partY1), and, xor); } fbFinishAccess(pDrawable); }