1 c66b5250 2006-06-25 devnull #include <u.h>
2 c66b5250 2006-06-25 devnull #include "x11-inc.h"
3 c66b5250 2006-06-25 devnull #include <libc.h>
4 c66b5250 2006-06-25 devnull #include <draw.h>
5 c66b5250 2006-06-25 devnull #include <memdraw.h>
6 c66b5250 2006-06-25 devnull #include "x11-memdraw.h"
8 c66b5250 2006-06-25 devnull static int xdraw(Memdrawparam*);
11 c66b5250 2006-06-25 devnull * The X acceleration doesn't fit into the standard hwaccel
12 c66b5250 2006-06-25 devnull * model because we have the extra steps of pulling the image
13 c66b5250 2006-06-25 devnull * data off the server and putting it back when we're done.
16 c66b5250 2006-06-25 devnull memimagedraw(Memimage *dst, Rectangle r, Memimage *src, Point sp,
17 c66b5250 2006-06-25 devnull Memimage *mask, Point mp, int op)
19 c66b5250 2006-06-25 devnull Memdrawparam *par;
21 c66b5250 2006-06-25 devnull if((par = _memimagedrawsetup(dst, r, src, sp, mask, mp, op)) == nil)
24 c66b5250 2006-06-25 devnull /* only fetch dst data if we need it */
25 c66b5250 2006-06-25 devnull if((par->state&(Simplemask|Fullmask)) != (Simplemask|Fullmask))
26 c66b5250 2006-06-25 devnull _xgetxdata(par->dst, par->r);
28 c66b5250 2006-06-25 devnull /* always fetch source and mask */
29 c66b5250 2006-06-25 devnull _xgetxdata(par->src, par->sr);
30 c66b5250 2006-06-25 devnull _xgetxdata(par->mask, par->mr);
32 c66b5250 2006-06-25 devnull /* now can run memimagedraw on the in-memory bits */
33 c66b5250 2006-06-25 devnull _memimagedraw(par);
35 c66b5250 2006-06-25 devnull if(xdraw(par))
38 c66b5250 2006-06-25 devnull /* put bits back on x server */
39 c66b5250 2006-06-25 devnull _xputxdata(par->dst, par->r);
42 c66b5250 2006-06-25 devnull static int
43 c66b5250 2006-06-25 devnull xdraw(Memdrawparam *par)
45 c66b5250 2006-06-25 devnull u32int sdval;
46 c66b5250 2006-06-25 devnull uint m, state;
47 c66b5250 2006-06-25 devnull Memimage *src, *dst, *mask;
48 c66b5250 2006-06-25 devnull Point dp, mp, sp;
49 c66b5250 2006-06-25 devnull Rectangle r;
50 c66b5250 2006-06-25 devnull Xmem *xdst, *xmask, *xsrc;
53 c66b5250 2006-06-25 devnull if(par->dst->X == nil)
54 c66b5250 2006-06-25 devnull return 0;
56 c66b5250 2006-06-25 devnull dst = par->dst;
57 c66b5250 2006-06-25 devnull mask = par->mask;
58 c66b5250 2006-06-25 devnull r = par->r;
59 c66b5250 2006-06-25 devnull src = par->src;
60 c66b5250 2006-06-25 devnull state = par->state;
63 c66b5250 2006-06-25 devnull * If we have an opaque mask and source is one opaque pixel,
64 c66b5250 2006-06-25 devnull * we can convert to the destination format and just XFillRectangle.
66 c66b5250 2006-06-25 devnull m = Simplesrc|Fullsrc|Simplemask|Fullmask;
67 c66b5250 2006-06-25 devnull if((state&m) == m){
68 c66b5250 2006-06-25 devnull _xfillcolor(dst, r, par->sdval);
69 c66b5250 2006-06-25 devnull /* xdirtyxdata(dst, r); */
70 c66b5250 2006-06-25 devnull return 1;
74 c66b5250 2006-06-25 devnull * If no source alpha and an opaque mask, we can just copy
75 c66b5250 2006-06-25 devnull * the source onto the destination. If the channels are the
76 c66b5250 2006-06-25 devnull * same and the source is not replicated, XCopyArea works.
78 c66b5250 2006-06-25 devnull m = Simplemask|Fullmask;
79 c66b5250 2006-06-25 devnull if((state&(m|Replsrc))==m && src->chan==dst->chan && src->X){
80 c66b5250 2006-06-25 devnull xdst = dst->X;
81 c66b5250 2006-06-25 devnull xsrc = src->X;
82 c66b5250 2006-06-25 devnull dp = subpt(r.min, dst->r.min);
83 c66b5250 2006-06-25 devnull sp = subpt(par->sr.min, src->r.min);
84 c66b5250 2006-06-25 devnull gc = dst->chan==GREY1 ? _x.gccopy0 : _x.gccopy;
86 c66b5250 2006-06-25 devnull XCopyArea(_x.display, xsrc->pixmap, xdst->pixmap, gc,
87 c66b5250 2006-06-25 devnull sp.x, sp.y, Dx(r), Dy(r), dp.x, dp.y);
88 c66b5250 2006-06-25 devnull /* xdirtyxdata(dst, r); */
89 c66b5250 2006-06-25 devnull return 1;
93 c66b5250 2006-06-25 devnull * If no source alpha, a 1-bit mask, and a simple source,
94 c66b5250 2006-06-25 devnull * we can copy through the mask onto the destination.
96 c66b5250 2006-06-25 devnull if(dst->X && mask->X && !(mask->flags&Frepl)
97 c66b5250 2006-06-25 devnull && mask->chan==GREY1 && (state&Simplesrc)){
98 c66b5250 2006-06-25 devnull xdst = dst->X;
99 c66b5250 2006-06-25 devnull xmask = mask->X;
100 c66b5250 2006-06-25 devnull sdval = par->sdval;
102 c66b5250 2006-06-25 devnull dp = subpt(r.min, dst->r.min);
103 c66b5250 2006-06-25 devnull mp = subpt(r.min, subpt(par->mr.min, mask->r.min));
105 c66b5250 2006-06-25 devnull if(dst->chan == GREY1){
106 c66b5250 2006-06-25 devnull gc = _x.gcsimplesrc0;
107 c66b5250 2006-06-25 devnull if(_x.gcsimplesrc0color != sdval){
108 c66b5250 2006-06-25 devnull XSetForeground(_x.display, gc, sdval);
109 c66b5250 2006-06-25 devnull _x.gcsimplesrc0color = sdval;
111 c66b5250 2006-06-25 devnull if(_x.gcsimplesrc0pixmap != xmask->pixmap){
112 c66b5250 2006-06-25 devnull XSetStipple(_x.display, gc, xmask->pixmap);
113 c66b5250 2006-06-25 devnull _x.gcsimplesrc0pixmap = xmask->pixmap;
116 c66b5250 2006-06-25 devnull /* this doesn't work on rob's mac? */
117 c66b5250 2006-06-25 devnull return 0;
118 c66b5250 2006-06-25 devnull /* gc = _x.gcsimplesrc;
119 c66b5250 2006-06-25 devnull if(dst->chan == CMAP8 && _x.usetable)
120 c66b5250 2006-06-25 devnull sdval = _x.tox11[sdval];
122 c66b5250 2006-06-25 devnull if(_x.gcsimplesrccolor != sdval){
123 c66b5250 2006-06-25 devnull XSetForeground(_x.display, gc, sdval);
124 c66b5250 2006-06-25 devnull _x.gcsimplesrccolor = sdval;
126 c66b5250 2006-06-25 devnull if(_x.gcsimplesrcpixmap != xmask->pixmap){
127 c66b5250 2006-06-25 devnull XSetStipple(_x.display, gc, xmask->pixmap);
128 c66b5250 2006-06-25 devnull _x.gcsimplesrcpixmap = xmask->pixmap;
132 c66b5250 2006-06-25 devnull XSetTSOrigin(_x.display, gc, mp.x, mp.y);
133 c66b5250 2006-06-25 devnull XFillRectangle(_x.display, xdst->pixmap, gc, dp.x, dp.y,
134 c66b5250 2006-06-25 devnull Dx(r), Dy(r));
135 c66b5250 2006-06-25 devnull /* xdirtyxdata(dst, r); */
136 c66b5250 2006-06-25 devnull return 1;
140 c66b5250 2006-06-25 devnull * Can't accelerate.
142 c66b5250 2006-06-25 devnull return 0;
