275 lines
8.6 KiB
C
275 lines
8.6 KiB
C
/*
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* Copyright © 1998 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "fb.h"
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static void
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fbTile(FbBits * dst, FbStride dstStride, int dstX, int width, int height,
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FbBits * tile, FbStride tileStride, int tileWidth, int tileHeight,
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int alu, FbBits pm, int bpp, int xRot, int yRot)
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{
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int tileX, tileY;
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int widthTmp;
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int h, w;
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int x, y;
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modulus(-yRot, tileHeight, tileY);
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y = 0;
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while (height) {
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h = tileHeight - tileY;
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if (h > height)
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h = height;
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height -= h;
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widthTmp = width;
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x = dstX;
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modulus(dstX - xRot, tileWidth, tileX);
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while (widthTmp) {
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w = tileWidth - tileX;
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if (w > widthTmp)
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w = widthTmp;
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widthTmp -= w;
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fbBlt(tile + tileY * tileStride,
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tileStride,
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tileX,
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dst + y * dstStride,
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dstStride, x, w, h, alu, pm, bpp, FALSE, FALSE);
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x += w;
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tileX = 0;
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}
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y += h;
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tileY = 0;
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}
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}
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static void
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fbStipple(FbBits * dst, FbStride dstStride,
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int dstX, int dstBpp,
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int width, int height,
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FbStip * stip, FbStride stipStride,
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int stipWidth, int stipHeight,
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FbBits fgand, FbBits fgxor,
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FbBits bgand, FbBits bgxor,
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int xRot, int yRot)
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{
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int stipX, stipY, sx;
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int widthTmp;
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int h, w;
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int x, y;
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modulus(-yRot, stipHeight, stipY);
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modulus(dstX / dstBpp - xRot, stipWidth, stipX);
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y = 0;
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while (height) {
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h = stipHeight - stipY;
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if (h > height)
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h = height;
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height -= h;
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widthTmp = width;
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x = dstX;
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sx = stipX;
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while (widthTmp) {
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w = (stipWidth - sx) * dstBpp;
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if (w > widthTmp)
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w = widthTmp;
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widthTmp -= w;
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fbBltOne(stip + stipY * stipStride,
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stipStride,
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sx,
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dst + y * dstStride,
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dstStride, x, dstBpp, w, h, fgand, fgxor, bgand, bgxor);
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x += w;
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sx = 0;
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}
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y += h;
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stipY = 0;
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}
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}
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void
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fbFill(DrawablePtr pDrawable, GCPtr pGC, int x, int y, int width, int height)
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{
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FbBits *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
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fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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switch (pGC->fillStyle) {
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case FillSolid:
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#ifndef FB_ACCESS_WRAPPER
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if (pPriv->and || !pixman_fill((uint32_t *) dst, dstStride, dstBpp,
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x + dstXoff, y + dstYoff,
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width, height, pPriv->xor))
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#endif
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fbSolid(dst + (y + dstYoff) * dstStride,
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dstStride,
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(x + dstXoff) * dstBpp,
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dstBpp, width * dstBpp, height, pPriv->and, pPriv->xor);
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break;
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case FillStippled:
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case FillOpaqueStippled:{
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PixmapPtr pStip = pGC->stipple;
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int stipWidth = pStip->drawable.width;
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int stipHeight = pStip->drawable.height;
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if (dstBpp == 1) {
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int alu;
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FbBits *stip;
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FbStride stipStride;
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int stipBpp;
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_X_UNUSED int stipXoff, stipYoff;
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if (pGC->fillStyle == FillStippled)
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alu = FbStipple1Rop(pGC->alu, pGC->fgPixel);
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else
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alu = FbOpaqueStipple1Rop(pGC->alu, pGC->fgPixel, pGC->bgPixel);
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fbGetDrawable(&pStip->drawable, stip, stipStride, stipBpp, stipXoff,
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stipYoff);
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fbTile(dst + (y + dstYoff) * dstStride, dstStride, x + dstXoff,
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width, height, stip, stipStride, stipWidth, stipHeight, alu,
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pPriv->pm, dstBpp, (pGC->patOrg.x + pDrawable->x + dstXoff),
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pGC->patOrg.y + pDrawable->y - y);
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fbFinishAccess(&pStip->drawable);
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}
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else {
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FbStip *stip;
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FbStride stipStride;
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int stipBpp;
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_X_UNUSED int stipXoff, stipYoff;
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FbBits fgand, fgxor, bgand, bgxor;
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fgand = pPriv->and;
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fgxor = pPriv->xor;
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if (pGC->fillStyle == FillStippled) {
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bgand = fbAnd(GXnoop, (FbBits) 0, FB_ALLONES);
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bgxor = fbXor(GXnoop, (FbBits) 0, FB_ALLONES);
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}
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else {
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bgand = pPriv->bgand;
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bgxor = pPriv->bgxor;
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}
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fbGetStipDrawable(&pStip->drawable, stip, stipStride, stipBpp,
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stipXoff, stipYoff);
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fbStipple(dst + (y + dstYoff) * dstStride, dstStride,
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(x + dstXoff) * dstBpp, dstBpp, width * dstBpp, height,
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stip, stipStride, stipWidth, stipHeight,
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fgand, fgxor, bgand, bgxor,
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pGC->patOrg.x + pDrawable->x + dstXoff,
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pGC->patOrg.y + pDrawable->y - y);
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fbFinishAccess(&pStip->drawable);
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}
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break;
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}
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case FillTiled:{
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PixmapPtr pTile = pGC->tile.pixmap;
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FbBits *tile;
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FbStride tileStride;
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int tileBpp;
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int tileWidth;
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int tileHeight;
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_X_UNUSED int tileXoff, tileYoff;
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fbGetDrawable(&pTile->drawable, tile, tileStride, tileBpp, tileXoff,
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tileYoff);
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tileWidth = pTile->drawable.width;
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tileHeight = pTile->drawable.height;
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fbTile(dst + (y + dstYoff) * dstStride,
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dstStride,
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(x + dstXoff) * dstBpp,
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width * dstBpp, height,
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tile,
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tileStride,
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tileWidth * tileBpp,
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tileHeight,
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pGC->alu,
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pPriv->pm,
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dstBpp,
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(pGC->patOrg.x + pDrawable->x + dstXoff) * dstBpp,
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pGC->patOrg.y + pDrawable->y - y);
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fbFinishAccess(&pTile->drawable);
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break;
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}
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}
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fbValidateDrawable(pDrawable);
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fbFinishAccess(pDrawable);
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}
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void
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fbSolidBoxClipped(DrawablePtr pDrawable,
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RegionPtr pClip,
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int x1, int y1, int x2, int y2, FbBits and, FbBits xor)
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{
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FbBits *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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BoxPtr pbox;
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int nbox;
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int partX1, partX2, partY1, partY2;
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fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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for (nbox = RegionNumRects(pClip), pbox = RegionRects(pClip);
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nbox--; pbox++) {
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partX1 = pbox->x1;
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if (partX1 < x1)
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partX1 = x1;
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partX2 = pbox->x2;
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if (partX2 > x2)
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partX2 = x2;
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if (partX2 <= partX1)
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continue;
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partY1 = pbox->y1;
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if (partY1 < y1)
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partY1 = y1;
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partY2 = pbox->y2;
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if (partY2 > y2)
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partY2 = y2;
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if (partY2 <= partY1)
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continue;
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#ifndef FB_ACCESS_WRAPPER
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if (and || !pixman_fill((uint32_t *) dst, dstStride, dstBpp,
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partX1 + dstXoff, partY1 + dstYoff,
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(partX2 - partX1), (partY2 - partY1), xor))
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#endif
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fbSolid(dst + (partY1 + dstYoff) * dstStride,
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dstStride,
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(partX1 + dstXoff) * dstBpp,
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dstBpp,
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(partX2 - partX1) * dstBpp, (partY2 - partY1), and, xor);
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}
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fbFinishAccess(pDrawable);
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}
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