diff options
| -rw-r--r-- | fb/fb.h | 44 | ||||
| -rw-r--r-- | fb/fbbltone.c | 2 | ||||
| -rw-r--r-- | fb/fbstipple.c | 2 |
3 files changed, 30 insertions, 18 deletions
@@ -487,22 +487,34 @@ extern _X_EXPORT void fbSetBits (FbStip *bits, int stride, FbStip data); * The term "lane" comes from the hardware term "byte-lane" which */ -#define FbLaneCase1(n,a,o) ((n) == 0x01 ? (void) \ - WRITE((CARD8 *) ((a)+FbPatternOffset(o,CARD8)), \ - fgxor) : (void) 0) -#define FbLaneCase2(n,a,o) ((n) == 0x03 ? (void) \ - WRITE((CARD16 *) ((a)+FbPatternOffset(o,CARD16)), \ - fgxor) : \ - ((void)FbLaneCase1((n)&1,a,o), \ - FbLaneCase1((n)>>1,a,(o)+1))) -#define FbLaneCase4(n,a,o) ((n) == 0x0f ? (void) \ - WRITE((CARD32 *) ((a)+FbPatternOffset(o,CARD32)), \ - fgxor) : \ - ((void)FbLaneCase2((n)&3,a,o), \ - FbLaneCase2((n)>>2,a,(o)+2))) -#define FbLaneCase8(n,a,o) ((n) == 0x0ff ? (void) (*(FbBits *) ((a)+(o)) = fgxor) : \ - ((void)FbLaneCase4((n)&15,a,o), \ - FbLaneCase4((n)>>4,a,(o)+4))) +#define FbLaneCase1(n,a,o) \ + if ((n) == 0x01) { \ + WRITE((CARD8 *) ((a)+FbPatternOffset(o,CARD8)), fgxor); \ + } + +#define FbLaneCase2(n,a,o) \ + if ((n) == 0x03) { \ + WRITE((CARD16 *) ((a)+FbPatternOffset(o,CARD16)), fgxor); \ + } else { \ + FbLaneCase1((n)&1,a,o) \ + FbLaneCase1((n)>>1,a,(o)+1) \ + } + +#define FbLaneCase4(n,a,o) \ + if ((n) == 0x0f) { \ + WRITE((CARD32 *) ((a)+FbPatternOffset(o,CARD32)), fgxor); \ + } else { \ + FbLaneCase2((n)&3,a,o) \ + FbLaneCase2((n)>>2,a,(o)+2) \ + } + +#define FbLaneCase8(n,a,o) \ + if ((n) == 0x0ff) { \ + *(FbBits *) ((a)+(o)) = fgxor; \ + } else { \ + FbLaneCase4((n)&15,a,o) \ + FbLaneCase4((n)>>4,a,(o)+4) \ + } #if FB_SHIFT == 6 #define FbLaneCase(n,a) FbLaneCase8(n,(CARD8 *) (a),0) diff --git a/fb/fbbltone.c b/fb/fbbltone.c index ffe69775a..5d5d2e6bf 100644 --- a/fb/fbbltone.c +++ b/fb/fbbltone.c @@ -59,7 +59,7 @@ #ifndef FBNOPIXADDR -#define LaneCases1(n,a) case n: (void)FbLaneCase(n,a); break +#define LaneCases1(n,a) case n: FbLaneCase(n,a); break #define LaneCases2(n,a) LaneCases1(n,a); LaneCases1(n+1,a) #define LaneCases4(n,a) LaneCases2(n,a); LaneCases2(n+2,a) #define LaneCases8(n,a) LaneCases4(n,a); LaneCases4(n+4,a) diff --git a/fb/fbstipple.c b/fb/fbstipple.c index 7d1326367..bc25e462f 100644 --- a/fb/fbstipple.c +++ b/fb/fbstipple.c @@ -33,7 +33,7 @@ * transparent stipple */ #define LaneCases1(c,a) case c: \ - while (n--) { (void)FbLaneCase(c,a); a++; } \ + while (n--) { FbLaneCase(c,a); a++; } \ break #define LaneCases2(c,a) LaneCases1(c,a); LaneCases1(c+1,a) #define LaneCases4(c,a) LaneCases2(c,a); LaneCases2(c+2,a) |