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-rw-r--r--fb/fbbltone.c964
1 files changed, 452 insertions, 512 deletions
diff --git a/fb/fbbltone.c b/fb/fbbltone.c
index 67e7853c6..eb7cf9483 100644
--- a/fb/fbbltone.c
+++ b/fb/fbbltone.c
@@ -61,8 +61,7 @@
} else \
bits = (src < srcEnd ? READ(src++) : 0); \
}
-
-
+
#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)
@@ -72,111 +71,112 @@
#define LaneCases64(n,a) LaneCases32(n,a); LaneCases32(n+32,a)
#define LaneCases128(n,a) LaneCases64(n,a); LaneCases64(n+64,a)
#define LaneCases256(n,a) LaneCases128(n,a); LaneCases128(n+128,a)
-
+
#if FB_SHIFT == 6
#define LaneCases(a) LaneCases256(0,a)
#endif
-
+
#if FB_SHIFT == 5
#define LaneCases(a) LaneCases16(0,a)
#endif
-
+
#if FB_SHIFT == 6
-CARD8 fb8Lane[256] = {
-0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
-22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
-41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
-60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78,
-79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97,
-98, 99, 100, 101, 102,103,104,105,106,107,108,109,110,111,112,113,114,115,
-116, 117, 118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,
-134, 135, 136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,
-152, 153, 154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,
-170, 171, 172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,
-188, 189, 190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,
-206, 207, 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
-224, 225, 226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,
-242, 243, 244,245,246,247,248,249,250,251,252,253,254,255,
+CARD8 fb8Lane[256] = {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
+ 21,
+ 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+ 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+ 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78,
+ 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97,
+ 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112,
+ 113, 114, 115,
+ 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130,
+ 131, 132, 133,
+ 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148,
+ 149, 150, 151,
+ 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166,
+ 167, 168, 169,
+ 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184,
+ 185, 186, 187,
+ 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202,
+ 203, 204, 205,
+ 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220,
+ 221, 222, 223,
+ 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238,
+ 239, 240, 241,
+ 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255,
};
-CARD8 fb16Lane[256] = {
+CARD8 fb16Lane[256] = {
0x00, 0x03, 0x0c, 0x0f,
0x30, 0x33, 0x3c, 0x3f,
0xc0, 0xc3, 0xcc, 0xcf,
0xf0, 0xf3, 0xfc, 0xff,
};
-CARD8 fb32Lane[16] = {
+CARD8 fb32Lane[16] = {
0x00, 0x0f, 0xf0, 0xff,
};
#endif
#if FB_SHIFT == 5
-CARD8 fb8Lane[16] = {
+CARD8 fb8Lane[16] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
};
-CARD8 fb16Lane[16] = {
- 0, 3, 12, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+CARD8 fb16Lane[16] = {
+ 0, 3, 12, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
-CARD8 fb32Lane[16] = {
- 0, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+CARD8 fb32Lane[16] = {
+ 0, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
#endif
-CARD8 *fbLaneTable[33] = {
+CARD8 *fbLaneTable[33] = {
0, 0, 0, 0, 0, 0, 0, 0,
- fb8Lane, 0, 0, 0, 0, 0, 0, 0,
+ fb8Lane, 0, 0, 0, 0, 0, 0, 0,
fb16Lane, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
fb32Lane
};
void
-fbBltOne (FbStip *src,
- FbStride srcStride, /* FbStip units per scanline */
- int srcX, /* bit position of source */
- FbBits *dst,
- FbStride dstStride, /* FbBits units per scanline */
- int dstX, /* bit position of dest */
- int dstBpp, /* bits per destination unit */
-
- int width, /* width in bits of destination */
- int height, /* height in scanlines */
-
- FbBits fgand, /* rrop values */
- FbBits fgxor,
- FbBits bgand,
- FbBits bgxor)
+fbBltOne(FbStip * src, FbStride srcStride, /* FbStip units per scanline */
+ int srcX, /* bit position of source */
+ FbBits * dst, FbStride dstStride, /* FbBits units per scanline */
+ int dstX, /* bit position of dest */
+ int dstBpp, /* bits per destination unit */
+ int width, /* width in bits of destination */
+ int height, /* height in scanlines */
+ FbBits fgand, /* rrop values */
+ FbBits fgxor, FbBits bgand, FbBits bgxor)
{
- const FbBits *fbBits;
- FbBits *srcEnd;
- int pixelsPerDst; /* dst pixels per FbBits */
- int unitsPerSrc; /* src patterns per FbStip */
- int leftShift, rightShift; /* align source with dest */
- FbBits startmask, endmask; /* dest scanline masks */
- FbStip bits=0, bitsLeft, bitsRight;/* source bits */
- FbStip left;
- FbBits mask;
- int nDst; /* dest longwords (w.o. end) */
- int w;
- int n, nmiddle;
- int dstS; /* stipple-relative dst X coordinate */
- Bool copy; /* accelerate dest-invariant */
- Bool transparent; /* accelerate 0 nop */
- int srcinc; /* source units consumed */
- Bool endNeedsLoad = FALSE; /* need load for endmask */
- CARD8 *fbLane;
- int startbyte, endbyte;
-
- if (dstBpp == 24)
- {
- fbBltOne24 (src, srcStride, srcX,
- dst, dstStride, dstX, dstBpp,
- width, height,
- fgand, fgxor, bgand, bgxor);
- return;
+ const FbBits *fbBits;
+ FbBits *srcEnd;
+ int pixelsPerDst; /* dst pixels per FbBits */
+ int unitsPerSrc; /* src patterns per FbStip */
+ int leftShift, rightShift; /* align source with dest */
+ FbBits startmask, endmask; /* dest scanline masks */
+ FbStip bits = 0, bitsLeft, bitsRight; /* source bits */
+ FbStip left;
+ FbBits mask;
+ int nDst; /* dest longwords (w.o. end) */
+ int w;
+ int n, nmiddle;
+ int dstS; /* stipple-relative dst X coordinate */
+ Bool copy; /* accelerate dest-invariant */
+ Bool transparent; /* accelerate 0 nop */
+ int srcinc; /* source units consumed */
+ Bool endNeedsLoad = FALSE; /* need load for endmask */
+ CARD8 *fbLane;
+ int startbyte, endbyte;
+
+ if (dstBpp == 24) {
+ fbBltOne24(src, srcStride, srcX,
+ dst, dstStride, dstX, dstBpp,
+ width, height, fgand, fgxor, bgand, bgxor);
+ return;
}
/*
@@ -194,13 +194,13 @@ fbBltOne (FbStip *src,
* Number of source stipple patterns in FbStip
*/
unitsPerSrc = FB_STIP_UNIT / pixelsPerDst;
-
+
copy = FALSE;
transparent = FALSE;
if (bgand == 0 && fgand == 0)
- copy = TRUE;
+ copy = TRUE;
else if (bgand == FB_ALLONES && bgxor == 0)
- transparent = TRUE;
+ transparent = TRUE;
/*
* Adjust source and dest to nearest FbBits boundary
@@ -210,8 +210,8 @@ fbBltOne (FbStip *src,
srcX &= FB_STIP_MASK;
dstX &= FB_MASK;
- FbMaskBitsBytes(dstX, width, copy,
- startmask, startbyte, nmiddle, endmask, endbyte);
+ FbMaskBitsBytes(dstX, width, copy,
+ startmask, startbyte, nmiddle, endmask, endbyte);
/*
* Compute effective dest alignment requirement for
@@ -221,196 +221,175 @@ fbBltOne (FbStip *src,
/*
* Compute shift constants for effective alignement
*/
- if (srcX >= dstS)
- {
- leftShift = srcX - dstS;
- rightShift = FB_STIP_UNIT - leftShift;
+ if (srcX >= dstS) {
+ leftShift = srcX - dstS;
+ rightShift = FB_STIP_UNIT - leftShift;
}
- else
- {
- rightShift = dstS - srcX;
- leftShift = FB_STIP_UNIT - rightShift;
+ else {
+ rightShift = dstS - srcX;
+ leftShift = FB_STIP_UNIT - rightShift;
}
/*
* Get pointer to stipple mask array for this depth
*/
- fbBits = 0; /* unused */
+ fbBits = 0; /* unused */
if (pixelsPerDst <= 8)
- fbBits = fbStippleTable[pixelsPerDst];
+ fbBits = fbStippleTable[pixelsPerDst];
fbLane = 0;
if (transparent && fgand == 0 && dstBpp >= 8)
- fbLane = fbLaneTable[dstBpp];
-
+ fbLane = fbLaneTable[dstBpp];
+
/*
* Compute total number of destination words written, but
* don't count endmask
*/
nDst = nmiddle;
if (startmask)
- nDst++;
-
+ nDst++;
+
dstStride -= nDst;
/*
* Compute total number of source words consumed
*/
-
+
srcinc = (nDst + unitsPerSrc - 1) / unitsPerSrc;
-
+
if (srcX > dstS)
- srcinc++;
- if (endmask)
- {
- endNeedsLoad = nDst % unitsPerSrc == 0;
- if (endNeedsLoad)
- srcinc++;
+ srcinc++;
+ if (endmask) {
+ endNeedsLoad = nDst % unitsPerSrc == 0;
+ if (endNeedsLoad)
+ srcinc++;
}
srcStride -= srcinc;
-
+
/*
* Copy rectangle
*/
- while (height--)
- {
- w = nDst; /* total units across scanline */
- n = unitsPerSrc; /* units avail in single stipple */
- if (n > w)
- n = w;
-
- bitsLeft = 0;
- if (srcX > dstS)
- bitsLeft = READ(src++);
- if (n)
- {
- /*
- * Load first set of stipple bits
- */
- LoadBits;
-
- /*
- * Consume stipple bits for startmask
- */
- if (startmask)
- {
+ while (height--) {
+ w = nDst; /* total units across scanline */
+ n = unitsPerSrc; /* units avail in single stipple */
+ if (n > w)
+ n = w;
+
+ bitsLeft = 0;
+ if (srcX > dstS)
+ bitsLeft = READ(src++);
+ if (n) {
+ /*
+ * Load first set of stipple bits
+ */
+ LoadBits;
+
+ /*
+ * Consume stipple bits for startmask
+ */
+ if (startmask) {
#if FB_UNIT > 32
- if (pixelsPerDst == 16)
- mask = FbStipple16Bits(FbLeftStipBits(bits,16));
- else
+ if (pixelsPerDst == 16)
+ mask = FbStipple16Bits(FbLeftStipBits(bits, 16));
+ else
#endif
- mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)];
- if (fbLane)
- {
- fbTransparentSpan (dst, mask & startmask, fgxor, 1);
- }
- else
- {
- if (mask || !transparent)
- FbDoLeftMaskByteStippleRRop (dst, mask,
- fgand, fgxor, bgand, bgxor,
- startbyte, startmask);
- }
- bits = FbStipLeft (bits, pixelsPerDst);
- dst++;
- n--;
- w--;
- }
- /*
- * Consume stipple bits across scanline
- */
- for (;;)
- {
- w -= n;
- if (copy)
- {
- while (n--)
- {
+ mask = fbBits[FbLeftStipBits(bits, pixelsPerDst)];
+ if (fbLane) {
+ fbTransparentSpan(dst, mask & startmask, fgxor, 1);
+ }
+ else {
+ if (mask || !transparent)
+ FbDoLeftMaskByteStippleRRop(dst, mask,
+ fgand, fgxor, bgand, bgxor,
+ startbyte, startmask);
+ }
+ bits = FbStipLeft(bits, pixelsPerDst);
+ dst++;
+ n--;
+ w--;
+ }
+ /*
+ * Consume stipple bits across scanline
+ */
+ for (;;) {
+ w -= n;
+ if (copy) {
+ while (n--) {
#if FB_UNIT > 32
- if (pixelsPerDst == 16)
- mask = FbStipple16Bits(FbLeftStipBits(bits,16));
- else
+ if (pixelsPerDst == 16)
+ mask = FbStipple16Bits(FbLeftStipBits(bits, 16));
+ else
#endif
- mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)];
- WRITE(dst, FbOpaqueStipple (mask, fgxor, bgxor));
- dst++;
- bits = FbStipLeft(bits, pixelsPerDst);
- }
- }
- else
- {
- if (fbLane)
- {
- while (bits && n)
- {
- switch (fbLane[FbLeftStipBits(bits,pixelsPerDst)]) {
- LaneCases((CARD8 *) dst);
- }
- bits = FbStipLeft(bits,pixelsPerDst);
- dst++;
- n--;
- }
- dst += n;
- }
- else
- {
- while (n--)
- {
- left = FbLeftStipBits(bits,pixelsPerDst);
- if (left || !transparent)
- {
- mask = fbBits[left];
- WRITE(dst, FbStippleRRop (READ(dst), mask,
- fgand, fgxor, bgand, bgxor));
- }
- dst++;
- bits = FbStipLeft(bits, pixelsPerDst);
- }
- }
- }
- if (!w)
- break;
- /*
- * Load another set and reset number of available units
- */
- LoadBits;
- n = unitsPerSrc;
- if (n > w)
- n = w;
- }
- }
- /*
- * Consume stipple bits for endmask
- */
- if (endmask)
- {
- if (endNeedsLoad)
- {
- LoadBits;
- }
+ mask = fbBits[FbLeftStipBits(bits, pixelsPerDst)];
+ WRITE(dst, FbOpaqueStipple(mask, fgxor, bgxor));
+ dst++;
+ bits = FbStipLeft(bits, pixelsPerDst);
+ }
+ }
+ else {
+ if (fbLane) {
+ while (bits && n) {
+ switch (fbLane[FbLeftStipBits(bits, pixelsPerDst)]) {
+ LaneCases((CARD8 *) dst);
+ }
+ bits = FbStipLeft(bits, pixelsPerDst);
+ dst++;
+ n--;
+ }
+ dst += n;
+ }
+ else {
+ while (n--) {
+ left = FbLeftStipBits(bits, pixelsPerDst);
+ if (left || !transparent) {
+ mask = fbBits[left];
+ WRITE(dst, FbStippleRRop(READ(dst), mask,
+ fgand, fgxor, bgand,
+ bgxor));
+ }
+ dst++;
+ bits = FbStipLeft(bits, pixelsPerDst);
+ }
+ }
+ }
+ if (!w)
+ break;
+ /*
+ * Load another set and reset number of available units
+ */
+ LoadBits;
+ n = unitsPerSrc;
+ if (n > w)
+ n = w;
+ }
+ }
+ /*
+ * Consume stipple bits for endmask
+ */
+ if (endmask) {
+ if (endNeedsLoad) {
+ LoadBits;
+ }
#if FB_UNIT > 32
- if (pixelsPerDst == 16)
- mask = FbStipple16Bits(FbLeftStipBits(bits,16));
- else
+ if (pixelsPerDst == 16)
+ mask = FbStipple16Bits(FbLeftStipBits(bits, 16));
+ else
#endif
- mask = fbBits[FbLeftStipBits(bits,pixelsPerDst)];
- if (fbLane)
- {
- fbTransparentSpan (dst, mask & endmask, fgxor, 1);
- }
- else
- {
- if (mask || !transparent)
- FbDoRightMaskByteStippleRRop (dst, mask,
- fgand, fgxor, bgand, bgxor,
- endbyte, endmask);
- }
- }
- dst += dstStride;
- src += srcStride;
+ mask = fbBits[FbLeftStipBits(bits, pixelsPerDst)];
+ if (fbLane) {
+ fbTransparentSpan(dst, mask & endmask, fgxor, 1);
+ }
+ else {
+ if (mask || !transparent)
+ FbDoRightMaskByteStippleRRop(dst, mask,
+ fgand, fgxor, bgand, bgxor,
+ endbyte, endmask);
+ }
+ }
+ dst += dstStride;
+ src += srcStride;
}
}
-
/*
* Crufty macros to initialize the mask array, most of this
* is to avoid compile-time warnings about shift overflow
@@ -447,28 +426,28 @@ fbBltOne (FbStip *src,
#define FbStip24New(rot) (2 + (rot != 0))
#define FbStip24Len 4
-const FbBits fbStipple24Bits[3][1 << FbStip24Len] = {
+const FbBits fbStipple24Bits[3][1 << FbStip24Len] = {
/* rotate 0 */
{
- C4_24( 0, 0), C4_24( 1, 0), C4_24( 2, 0), C4_24( 3, 0),
- C4_24( 4, 0), C4_24( 5, 0), C4_24( 6, 0), C4_24( 7, 0),
- C4_24( 8, 0), C4_24( 9, 0), C4_24(10, 0), C4_24(11, 0),
- C4_24(12, 0), C4_24(13, 0), C4_24(14, 0), C4_24(15, 0),
- },
+ C4_24(0, 0), C4_24(1, 0), C4_24(2, 0), C4_24(3, 0),
+ C4_24(4, 0), C4_24(5, 0), C4_24(6, 0), C4_24(7, 0),
+ C4_24(8, 0), C4_24(9, 0), C4_24(10, 0), C4_24(11, 0),
+ C4_24(12, 0), C4_24(13, 0), C4_24(14, 0), C4_24(15, 0),
+ },
/* rotate 8 */
{
- C4_24( 0, 8), C4_24( 1, 8), C4_24( 2, 8), C4_24( 3, 8),
- C4_24( 4, 8), C4_24( 5, 8), C4_24( 6, 8), C4_24( 7, 8),
- C4_24( 8, 8), C4_24( 9, 8), C4_24(10, 8), C4_24(11, 8),
- C4_24(12, 8), C4_24(13, 8), C4_24(14, 8), C4_24(15, 8),
- },
+ C4_24(0, 8), C4_24(1, 8), C4_24(2, 8), C4_24(3, 8),
+ C4_24(4, 8), C4_24(5, 8), C4_24(6, 8), C4_24(7, 8),
+ C4_24(8, 8), C4_24(9, 8), C4_24(10, 8), C4_24(11, 8),
+ C4_24(12, 8), C4_24(13, 8), C4_24(14, 8), C4_24(15, 8),
+ },
/* rotate 16 */
{
- C4_24( 0,16), C4_24( 1,16), C4_24( 2,16), C4_24( 3,16),
- C4_24( 4,16), C4_24( 5,16), C4_24( 6,16), C4_24( 7,16),
- C4_24( 8,16), C4_24( 9,16), C4_24(10,16), C4_24(11,16),
- C4_24(12,16), C4_24(13,16), C4_24(14,16), C4_24(15,16),
- }
+ C4_24(0, 16), C4_24(1, 16), C4_24(2, 16), C4_24(3, 16),
+ C4_24(4, 16), C4_24(5, 16), C4_24(6, 16), C4_24(7, 16),
+ C4_24(8, 16), C4_24(9, 16), C4_24(10, 16), C4_24(11, 16),
+ C4_24(12, 16), C4_24(13, 16), C4_24(14, 16), C4_24(15, 16),
+ }
};
#endif
@@ -485,19 +464,19 @@ const FbBits fbStipple24Bits[3][1 << FbStip24Len] = {
#define FbStip24New(rot) (1 + (rot == 8))
#endif
-const FbBits fbStipple24Bits[3][1 << FbStip24Len] = {
+const FbBits fbStipple24Bits[3][1 << FbStip24Len] = {
/* rotate 0 */
{
- C2_24( 0, 0), C2_24 ( 1, 0), C2_24 ( 2, 0), C2_24 ( 3, 0),
- },
+ C2_24(0, 0), C2_24(1, 0), C2_24(2, 0), C2_24(3, 0),
+ },
/* rotate 8 */
{
- C2_24( 0, 8), C2_24 ( 1, 8), C2_24 ( 2, 8), C2_24 ( 3, 8),
- },
+ C2_24(0, 8), C2_24(1, 8), C2_24(2, 8), C2_24(3, 8),
+ },
/* rotate 16 */
{
- C2_24( 0,16), C2_24 ( 1,16), C2_24 ( 2,16), C2_24 ( 3,16),
- }
+ C2_24(0, 16), C2_24(1, 16), C2_24(2, 16), C2_24(3, 16),
+ }
};
#endif
@@ -541,7 +520,7 @@ const FbBits fbStipple24Bits[3][1 << FbStip24Len] = {
fbFirstStipBits(len,stip); \
stip = FbMergeStip24Bits (0, stip, len); \
}
-
+
#define fbNextStipBits(rot,stip) {\
int __new = FbStip24New(rot); \
FbStip __right; \
@@ -560,32 +539,26 @@ const FbBits fbStipple24Bits[3][1 << FbStip24Len] = {
* and text
*/
void
-fbBltOne24 (FbStip *srcLine,
- FbStride srcStride, /* FbStip units per scanline */
- int srcX, /* bit position of source */
- FbBits *dst,
- FbStride dstStride, /* FbBits units per scanline */
- int dstX, /* bit position of dest */
- int dstBpp, /* bits per destination unit */
-
- int width, /* width in bits of destination */
- int height, /* height in scanlines */
-
- FbBits fgand, /* rrop values */
- FbBits fgxor,
- FbBits bgand,
- FbBits bgxor)
+fbBltOne24(FbStip * srcLine, FbStride srcStride, /* FbStip units per scanline */
+ int srcX, /* bit position of source */
+ FbBits * dst, FbStride dstStride, /* FbBits units per scanline */
+ int dstX, /* bit position of dest */
+ int dstBpp, /* bits per destination unit */
+ int width, /* width in bits of destination */
+ int height, /* height in scanlines */
+ FbBits fgand, /* rrop values */
+ FbBits fgxor, FbBits bgand, FbBits bgxor)
{
- FbStip *src, *srcEnd;
- FbBits leftMask, rightMask, mask;
- int nlMiddle, nl;
- FbStip stip, bits;
- int remain;
- int dstS;
- int firstlen;
- int rot0, rot;
- int nDst;
-
+ FbStip *src, *srcEnd;
+ FbBits leftMask, rightMask, mask;
+ int nlMiddle, nl;
+ FbStip stip, bits;
+ int remain;
+ int dstS;
+ int firstlen;
+ int rot0, rot;
+ int nDst;
+
/*
* Do not read past the end of the buffer!
*/
@@ -595,146 +568,127 @@ fbBltOne24 (FbStip *srcLine,
dst += dstX >> FB_SHIFT;
srcX &= FB_STIP_MASK;
dstX &= FB_MASK;
- rot0 = FbFirst24Rot (dstX);
-
- FbMaskBits (dstX, width, leftMask, nlMiddle, rightMask);
-
+ rot0 = FbFirst24Rot(dstX);
+
+ FbMaskBits(dstX, width, leftMask, nlMiddle, rightMask);
+
dstS = (dstX + 23) / 24;
firstlen = FbStip24Len - dstS;
-
+
nDst = nlMiddle;
if (leftMask)
- nDst++;
+ nDst++;
dstStride -= nDst;
-
+
/* opaque copy */
- if (bgand == 0 && fgand == 0)
- {
- while (height--)
- {
- rot = rot0;
- src = srcLine;
- srcLine += srcStride;
- fbInitStipBits (srcX,firstlen, stip);
- if (leftMask)
- {
- mask = fbStipple24Bits[rot >> 3][stip];
- WRITE(dst, (READ(dst) & ~leftMask) |
- (FbOpaqueStipple (mask,
- FbRot24(fgxor, rot),
- FbRot24(bgxor, rot))
- & leftMask));
- dst++;
- fbNextStipBits(rot,stip);
- }
- nl = nlMiddle;
- while (nl--)
- {
- mask = fbStipple24Bits[rot>>3][stip];
- WRITE(dst, FbOpaqueStipple (mask,
- FbRot24(fgxor, rot),
- FbRot24(bgxor, rot)));
- dst++;
- fbNextStipBits(rot,stip);
- }
- if (rightMask)
- {
- mask = fbStipple24Bits[rot >> 3][stip];
- WRITE(dst, (READ(dst) & ~rightMask) |
- (FbOpaqueStipple (mask,
- FbRot24(fgxor, rot),
- FbRot24(bgxor, rot))
- & rightMask));
- }
- dst += dstStride;
- src += srcStride;
- }
+ if (bgand == 0 && fgand == 0) {
+ while (height--) {
+ rot = rot0;
+ src = srcLine;
+ srcLine += srcStride;
+ fbInitStipBits(srcX, firstlen, stip);
+ if (leftMask) {
+ mask = fbStipple24Bits[rot >> 3][stip];
+ WRITE(dst, (READ(dst) & ~leftMask) |
+ (FbOpaqueStipple(mask,
+ FbRot24(fgxor, rot), FbRot24(bgxor, rot))
+ & leftMask));
+ dst++;
+ fbNextStipBits(rot, stip);
+ }
+ nl = nlMiddle;
+ while (nl--) {
+ mask = fbStipple24Bits[rot >> 3][stip];
+ WRITE(dst, FbOpaqueStipple(mask,
+ FbRot24(fgxor, rot),
+ FbRot24(bgxor, rot)));
+ dst++;
+ fbNextStipBits(rot, stip);
+ }
+ if (rightMask) {
+ mask = fbStipple24Bits[rot >> 3][stip];
+ WRITE(dst, (READ(dst) & ~rightMask) |
+ (FbOpaqueStipple(mask,
+ FbRot24(fgxor, rot), FbRot24(bgxor, rot))
+ & rightMask));
+ }
+ dst += dstStride;
+ src += srcStride;
+ }
}
/* transparent copy */
- else if (bgand == FB_ALLONES && bgxor == 0 && fgand == 0)
- {
- while (height--)
- {
- rot = rot0;
- src = srcLine;
- srcLine += srcStride;
- fbInitStipBits (srcX, firstlen, stip);
- if (leftMask)
- {
- if (stip)
- {
- mask = fbStipple24Bits[rot >> 3][stip] & leftMask;
- WRITE(dst, (READ(dst) & ~mask) | (FbRot24(fgxor, rot) & mask));
- }
- dst++;
- fbNextStipBits (rot, stip);
- }
- nl = nlMiddle;
- while (nl--)
- {
- if (stip)
- {
- mask = fbStipple24Bits[rot>>3][stip];
- WRITE(dst, (READ(dst) & ~mask) | (FbRot24(fgxor,rot) & mask));
- }
- dst++;
- fbNextStipBits (rot, stip);
- }
- if (rightMask)
- {
- if (stip)
- {
- mask = fbStipple24Bits[rot >> 3][stip] & rightMask;
- WRITE(dst, (READ(dst) & ~mask) | (FbRot24(fgxor, rot) & mask));
- }
- }
- dst += dstStride;
- }
+ else if (bgand == FB_ALLONES && bgxor == 0 && fgand == 0) {
+ while (height--) {
+ rot = rot0;
+ src = srcLine;
+ srcLine += srcStride;
+ fbInitStipBits(srcX, firstlen, stip);
+ if (leftMask) {
+ if (stip) {
+ mask = fbStipple24Bits[rot >> 3][stip] & leftMask;
+ WRITE(dst,
+ (READ(dst) & ~mask) | (FbRot24(fgxor, rot) & mask));
+ }
+ dst++;
+ fbNextStipBits(rot, stip);
+ }
+ nl = nlMiddle;
+ while (nl--) {
+ if (stip) {
+ mask = fbStipple24Bits[rot >> 3][stip];
+ WRITE(dst,
+ (READ(dst) & ~mask) | (FbRot24(fgxor, rot) & mask));
+ }
+ dst++;
+ fbNextStipBits(rot, stip);
+ }
+ if (rightMask) {
+ if (stip) {
+ mask = fbStipple24Bits[rot >> 3][stip] & rightMask;
+ WRITE(dst,
+ (READ(dst) & ~mask) | (FbRot24(fgxor, rot) & mask));
+ }
+ }
+ dst += dstStride;
+ }
}
- else
- {
- while (height--)
- {
- rot = rot0;
- src = srcLine;
- srcLine += srcStride;
- fbInitStipBits (srcX, firstlen, stip);
- if (leftMask)
- {
- mask = fbStipple24Bits[rot >> 3][stip];
- WRITE(dst, FbStippleRRopMask (READ(dst), mask,
- FbRot24(fgand, rot),
- FbRot24(fgxor, rot),
- FbRot24(bgand, rot),
- FbRot24(bgxor, rot),
- leftMask));
- dst++;
- fbNextStipBits(rot,stip);
- }
- nl = nlMiddle;
- while (nl--)
- {
- mask = fbStipple24Bits[rot >> 3][stip];
- WRITE(dst, FbStippleRRop (READ(dst), mask,
- FbRot24(fgand, rot),
- FbRot24(fgxor, rot),
- FbRot24(bgand, rot),
- FbRot24(bgxor, rot)));
- dst++;
- fbNextStipBits(rot,stip);
- }
- if (rightMask)
- {
- mask = fbStipple24Bits[rot >> 3][stip];
- WRITE(dst, FbStippleRRopMask (READ(dst), mask,
- FbRot24(fgand, rot),
- FbRot24(fgxor, rot),
- FbRot24(bgand, rot),
- FbRot24(bgxor, rot),
- rightMask));
- }
- dst += dstStride;
- }
+ else {
+ while (height--) {
+ rot = rot0;
+ src = srcLine;
+ srcLine += srcStride;
+ fbInitStipBits(srcX, firstlen, stip);
+ if (leftMask) {
+ mask = fbStipple24Bits[rot >> 3][stip];
+ WRITE(dst, FbStippleRRopMask(READ(dst), mask,
+ FbRot24(fgand, rot),
+ FbRot24(fgxor, rot),
+ FbRot24(bgand, rot),
+ FbRot24(bgxor, rot), leftMask));
+ dst++;
+ fbNextStipBits(rot, stip);
+ }
+ nl = nlMiddle;
+ while (nl--) {
+ mask = fbStipple24Bits[rot >> 3][stip];
+ WRITE(dst, FbStippleRRop(READ(dst), mask,
+ FbRot24(fgand, rot),
+ FbRot24(fgxor, rot),
+ FbRot24(bgand, rot),
+ FbRot24(bgxor, rot)));
+ dst++;
+ fbNextStipBits(rot, stip);
+ }
+ if (rightMask) {
+ mask = fbStipple24Bits[rot >> 3][stip];
+ WRITE(dst, FbStippleRRopMask(READ(dst), mask,
+ FbRot24(fgand, rot),
+ FbRot24(fgxor, rot),
+ FbRot24(bgand, rot),
+ FbRot24(bgxor, rot), rightMask));
+ }
+ dst += dstStride;
+ }
}
}
@@ -742,121 +696,107 @@ fbBltOne24 (FbStip *srcLine,
* Not very efficient, but simple -- copy a single plane
* from an N bit image to a 1 bit image
*/
-
+
void
-fbBltPlane (FbBits *src,
- FbStride srcStride,
- int srcX,
- int srcBpp,
-
- FbStip *dst,
- FbStride dstStride,
- int dstX,
-
- int width,
- int height,
-
- FbStip fgand,
- FbStip fgxor,
- FbStip bgand,
- FbStip bgxor,
- Pixel planeMask)
+fbBltPlane(FbBits * src,
+ FbStride srcStride,
+ int srcX,
+ int srcBpp,
+ FbStip * dst,
+ FbStride dstStride,
+ int dstX,
+ int width,
+ int height,
+ FbStip fgand,
+ FbStip fgxor, FbStip bgand, FbStip bgxor, Pixel planeMask)
{
- FbBits *s;
- FbBits pm;
- FbBits srcMask;
- FbBits srcMaskFirst;
- FbBits srcMask0 = 0;
- FbBits srcBits;
-
- FbStip dstBits;
- FbStip *d;
- FbStip dstMask;
- FbStip dstMaskFirst;
- FbStip dstUnion;
- int w;
- int wt;
- int rot0;
+ FbBits *s;
+ FbBits pm;
+ FbBits srcMask;
+ FbBits srcMaskFirst;
+ FbBits srcMask0 = 0;
+ FbBits srcBits;
+
+ FbStip dstBits;
+ FbStip *d;
+ FbStip dstMask;
+ FbStip dstMaskFirst;
+ FbStip dstUnion;
+ int w;
+ int wt;
+ int rot0;
if (!width)
- return;
-
+ return;
+
src += srcX >> FB_SHIFT;
srcX &= FB_MASK;
dst += dstX >> FB_STIP_SHIFT;
dstX &= FB_STIP_MASK;
-
+
w = width / srcBpp;
- pm = fbReplicatePixel (planeMask, srcBpp);
- if (srcBpp == 24)
- {
- int w = 24;
+ pm = fbReplicatePixel(planeMask, srcBpp);
+ if (srcBpp == 24) {
+ int w = 24;
- rot0 = FbFirst24Rot (srcX);
- if (srcX + w > FB_UNIT)
- w = FB_UNIT - srcX;
- srcMaskFirst = FbRot24(pm,rot0) & FbBitsMask(srcX,w);
+ rot0 = FbFirst24Rot(srcX);
+ if (srcX + w > FB_UNIT)
+ w = FB_UNIT - srcX;
+ srcMaskFirst = FbRot24(pm, rot0) & FbBitsMask(srcX, w);
}
- else
- {
- rot0 = 0;
- srcMaskFirst = pm & FbBitsMask(srcX, srcBpp);
- srcMask0 = pm & FbBitsMask(0, srcBpp);
+ else {
+ rot0 = 0;
+ srcMaskFirst = pm & FbBitsMask(srcX, srcBpp);
+ srcMask0 = pm & FbBitsMask(0, srcBpp);
}
-
- dstMaskFirst = FbStipMask(dstX,1);
- while (height--)
- {
- d = dst;
- dst += dstStride;
- s = src;
- src += srcStride;
-
- srcMask = srcMaskFirst;
- if (srcBpp == 24)
- srcMask0 = FbRot24(pm,rot0) & FbBitsMask(0, srcBpp);
- srcBits = READ(s++);
-
- dstMask = dstMaskFirst;
- dstUnion = 0;
- dstBits = 0;
-
- wt = w;
-
- while (wt--)
- {
- if (!srcMask)
- {
- srcBits = READ(s++);
- if (srcBpp == 24)
- srcMask0 = FbNext24Pix(srcMask0) & FbBitsMask(0,24);
- srcMask = srcMask0;
- }
- if (!dstMask)
- {
- WRITE(d, FbStippleRRopMask(READ(d), dstBits,
- fgand, fgxor, bgand, bgxor,
- dstUnion));
- d++;
- dstMask = FbStipMask(0,1);
- dstUnion = 0;
- dstBits = 0;
- }
- if (srcBits & srcMask)
- dstBits |= dstMask;
- dstUnion |= dstMask;
- if (srcBpp == FB_UNIT)
- srcMask = 0;
- else
- srcMask = FbScrRight(srcMask,srcBpp);
- dstMask = FbStipRight(dstMask,1);
- }
- if (dstUnion)
- WRITE(d, FbStippleRRopMask(READ(d),dstBits,
- fgand, fgxor, bgand, bgxor,
- dstUnion));
+
+ dstMaskFirst = FbStipMask(dstX, 1);
+ while (height--) {
+ d = dst;
+ dst += dstStride;
+ s = src;
+ src += srcStride;
+
+ srcMask = srcMaskFirst;
+ if (srcBpp == 24)
+ srcMask0 = FbRot24(pm, rot0) & FbBitsMask(0, srcBpp);
+ srcBits = READ(s++);
+
+ dstMask = dstMaskFirst;
+ dstUnion = 0;
+ dstBits = 0;
+
+ wt = w;
+
+ while (wt--) {
+ if (!srcMask) {
+ srcBits = READ(s++);
+ if (srcBpp == 24)
+ srcMask0 = FbNext24Pix(srcMask0) & FbBitsMask(0, 24);
+ srcMask = srcMask0;
+ }
+ if (!dstMask) {
+ WRITE(d, FbStippleRRopMask(READ(d), dstBits,
+ fgand, fgxor, bgand, bgxor,
+ dstUnion));
+ d++;
+ dstMask = FbStipMask(0, 1);
+ dstUnion = 0;
+ dstBits = 0;
+ }
+ if (srcBits & srcMask)
+ dstBits |= dstMask;
+ dstUnion |= dstMask;
+ if (srcBpp == FB_UNIT)
+ srcMask = 0;
+ else
+ srcMask = FbScrRight(srcMask, srcBpp);
+ dstMask = FbStipRight(dstMask, 1);
+ }
+ if (dstUnion)
+ WRITE(d, FbStippleRRopMask(READ(d), dstBits,
+ fgand, fgxor, bgand, bgxor, dstUnion));
}
}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-25 00:25:17 +0000