diff options
Diffstat (limited to 'cfb/cfbbresd.c')
| -rw-r--r-- | cfb/cfbbresd.c | 152 |
1 files changed, 148 insertions, 4 deletions
diff --git a/cfb/cfbbresd.c b/cfb/cfbbresd.c index 6612803ae..7fe71fa2f 100644 --- a/cfb/cfbbresd.c +++ b/cfb/cfbbresd.c @@ -1,3 +1,4 @@ +/* $XFree86: xc/programs/Xserver/cfb/cfbbresd.c,v 3.6 2001/12/14 19:59:22 dawes Exp $ */ /*********************************************************** Copyright 1987, 1998 The Open Group @@ -64,7 +65,7 @@ cfbBresD(rrops, int numInDashList; /* total length of dash list */ int *pdashOffset; /* offset into current dash */ int isDoubleDash; - unsigned long *addrl; /* pointer to base of bitmap */ + CfbBits *addrl; /* pointer to base of bitmap */ int nlwidth; /* width in longwords of bitmap */ int signdx, signdy; /* signs of directions */ int axis; /* major axis (Y_AXIS or X_AXIS) */ @@ -81,17 +82,41 @@ cfbBresD(rrops, int dashIndex; int dashOffset; int dashRemaining; - unsigned long xorFg, andFg, xorBg, andBg; + CfbBits xorFg, andFg, xorBg, andBg; Bool isCopy; int thisDash; +#if PSZ == 24 + CfbBits xorPiQxlFg[3], andPiQxlFg[3], xorPiQxlBg[3], andPiQxlBg[3]; + char *addrb; + int signdx3, signdy3; +#endif dashOffset = *pdashOffset; dashIndex = *pdashIndex; isCopy = (rrops[0].rop == GXcopy && rrops[1].rop == GXcopy); +#if PSZ == 24 + xorFg = rrops[0].xor & 0xffffff; + andFg = rrops[0].and & 0xffffff; + xorBg = rrops[1].xor & 0xffffff; + andBg = rrops[1].and & 0xffffff; + xorPiQxlFg[0] = xorFg | (xorFg << 24); + xorPiQxlFg[1] = (xorFg >> 8) | (xorFg << 16); + xorPiQxlFg[2] = (xorFg >> 16) | (xorFg << 8); + andPiQxlFg[0] = andFg | (andFg << 24); + andPiQxlFg[1] = (andFg >> 8) | (andFg << 16); + andPiQxlFg[2] = (andFg >> 16) | (andFg << 8); + xorPiQxlBg[0] = xorBg | (xorBg << 24); + xorPiQxlBg[1] = (xorBg >> 8) | (xorBg << 16); + xorPiQxlBg[2] = (xorBg >> 16) | (xorBg << 8); + andPiQxlBg[0] = andBg | (andBg << 24); + andPiQxlBg[1] = (andBg >> 8) | (andBg << 16); + andPiQxlBg[2] = (andFg >> 16) | (andBg << 8); +#else xorFg = rrops[0].xor; andFg = rrops[0].and; xorBg = rrops[1].xor; andBg = rrops[1].and; +#endif dashRemaining = pDash[dashIndex] - dashOffset; if ((thisDash = dashRemaining) >= len) { @@ -116,6 +141,17 @@ cfbBresD(rrops, #ifdef PIXEL_ADDR +#if PSZ == 24 +#define Loop(store) while (thisDash--) {\ + store; \ + BresStep(addrb+=signdy3,addrb+=signdx3) \ + } + /* point to first point */ + nlwidth <<= PWSH; + addrp = (PixelType *)(addrl) + (y1 * nlwidth); + addrb = (char *)addrp + x1 * 3; + +#else #define Loop(store) while (thisDash--) {\ store; \ BresStep(addrp+=signdy,addrp+=signdx) \ @@ -123,7 +159,12 @@ cfbBresD(rrops, /* point to first point */ nlwidth <<= PWSH; addrp = (PixelType *)(addrl) + (y1 * nlwidth) + x1; +#endif signdy *= nlwidth; +#if PSZ == 24 + signdx3 = signdx * 3; + signdy3 = signdy * sizeof (CfbBits); +#endif if (axis == Y_AXIS) { int t; @@ -131,61 +172,136 @@ cfbBresD(rrops, t = signdx; signdx = signdy; signdy = t; +#if PSZ == 24 + t = signdx3; + signdx3 = signdy3; + signdy3 = t; +#endif } if (isCopy) { +#if PSZ == 24 +#define body_copy(pix) { \ + addrp = (PixelType *)((unsigned long)addrb & ~0x03); \ + switch((unsigned long)addrb & 3){ \ + case 0: \ + *addrp = (*addrp & 0xFF000000)|((pix)[0] & 0xFFFFFF); \ + break; \ + case 1: \ + *addrp = (*addrp & 0xFF)|((pix)[2] & 0xFFFFFF00); \ + break; \ + case 3: \ + *addrp = (*addrp & 0xFFFFFF)|((pix)[0] & 0xFF000000); \ + *(addrp+1) = (*(addrp+1) & 0xFFFF0000)|((pix)[1] & 0xFFFF); \ + break; \ + case 2: \ + *addrp = (*addrp & 0xFFFF)|((pix)[1] & 0xFFFF0000); \ + *(addrp+1) = (*(addrp+1) & 0xFFFFFF00)|((pix)[2] & 0xFF); \ + break; \ + } \ +} +#endif /* PSZ == 24 */ + for (;;) { len -= thisDash; if (dashIndex & 1) { if (isDoubleDash) { +#if PSZ == 24 + Loop(body_copy(xorPiQxlBg)) +#else Loop(*addrp = xorBg) +#endif } else { Loop(;) } } else { +#if PSZ == 24 + Loop(body_copy(xorPiQxlFg)) +#else Loop(*addrp = xorFg) +#endif } if (!len) break; NextDash } +#undef body_copy } else { +#define body_set(and, xor) { \ + addrp = (PixelType *)((unsigned long)addrb & ~0x03); \ + switch((unsigned long)addrb & 3){ \ + case 0: \ + *addrp = (*addrp & ((and)[0]|0xFF000000)) ^ ((xor)[0] & 0xFFFFFF); \ + break; \ + case 1: \ + *addrp = (*addrp & ((and)[2]|0xFF)) ^ ((xor)[2] & 0xFFFFFF00); \ + break; \ + case 3: \ + *addrp = (*addrp & ((and)[0]|0xFFFFFF)) ^ ((xor)[0] & 0xFF000000); \ + *(addrp+1)=(*(addrp+1)&((and)[1]|0xFFFF0000)) ^ ((xor)[1]&0xFFFF); \ + break; \ + case 2: \ + *addrp = (*addrp & ((and)[1]|0xFFFF)) ^ ((xor)[1] & 0xFFFF0000); \ + *(addrp+1)=(*(addrp+1)&((and)[2]|0xFFFFFF00)) ^ ((xor)[2] & 0xFF); \ + break; \ + } \ +} + for (;;) { len -= thisDash; if (dashIndex & 1) { if (isDoubleDash) { +#if PSZ == 24 + Loop(body_set(andPiQxlBg, xorPiQxlBg)) +#else Loop(*addrp = DoRRop(*addrp,andBg, xorBg)) +#endif } else { Loop(;) } } else { +#if PSZ == 24 + Loop(body_set(andPiQxlFg, xorPiQxlFg)) +#else Loop(*addrp = DoRRop(*addrp,andFg, xorFg)) +#endif } if (!len) break; NextDash } +#undef body_set } #else /* !PIXEL_ADDR */ { - register unsigned long tmp; - unsigned long startbit, bit; + register CfbBits tmp; + CfbBits startbit, bit; /* point to longword containing first point */ +#if PSZ == 24 + addrl = (addrl + (y1 * nlwidth) + ((x1*3) >> 2); +#else addrl = (addrl + (y1 * nlwidth) + (x1 >> PWSH)); +#endif signdy = signdy * nlwidth; if (signdx > 0) startbit = cfbmask[0]; else +#if PSZ == 24 + startbit = cfbmask[(PPW-1)<<1]; + bit = cfbmask[(x1 & 3)<<1]; +#else startbit = cfbmask[PPW-1]; bit = cfbmask[x1 & PIM]; +#endif +#if PSZ == 24 #define X_Loop(store) while(thisDash--) {\ store; \ BresStep(addrl += signdy, \ @@ -212,6 +328,34 @@ cfbBresD(rrops, }, \ addrl += signdy) \ } +#else +#define X_Loop(store) while(thisDash--) {\ + store; \ + BresStep(addrl += signdy, \ + if (signdx > 0) \ + bit = SCRRIGHT(bit,1); \ + else \ + bit = SCRLEFT(bit,1); \ + if (!bit) \ + { \ + bit = startbit; \ + addrl += signdx; \ + }) \ + } +#define Y_Loop(store) while(thisDash--) {\ + store; \ + BresStep(if (signdx > 0) \ + bit = SCRRIGHT(bit,1); \ + else \ + bit = SCRLEFT(bit,1); \ + if (!bit) \ + { \ + bit = startbit; \ + addrl += signdx; \ + }, \ + addrl += signdy) \ + } +#endif if (axis == X_AXIS) { |