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Diffstat (limited to 'xorg-server/fb/fbgc.c')
-rw-r--r--xorg-server/fb/fbgc.c303
1 files changed, 146 insertions, 157 deletions
diff --git a/xorg-server/fb/fbgc.c b/xorg-server/fb/fbgc.c
index 8108c3acb..e6f8279b3 100644
--- a/xorg-server/fb/fbgc.c
+++ b/xorg-server/fb/fbgc.c
@@ -38,7 +38,7 @@ const GCFuncs fbGCFuncs = {
miCopyClip,
};
-const GCOps fbGCOps = {
+const GCOps fbGCOps = {
fbFillSpans,
fbSetSpans,
fbPutImage,
@@ -64,14 +64,14 @@ const GCOps fbGCOps = {
Bool
fbCreateGC(GCPtr pGC)
{
- pGC->ops = (GCOps *) &fbGCOps;
- pGC->funcs = (GCFuncs *) &fbGCFuncs;
+ pGC->ops = (GCOps *) & fbGCOps;
+ pGC->funcs = (GCFuncs *) & fbGCFuncs;
/* fb wants to translate before scan conversion */
pGC->miTranslate = 1;
pGC->fExpose = 1;
- fbGetGCPrivate(pGC)->bpp = BitsPerPixel (pGC->depth);
+ fbGetGCPrivate(pGC)->bpp = BitsPerPixel(pGC->depth);
return TRUE;
}
@@ -79,56 +79,53 @@ fbCreateGC(GCPtr pGC)
* Pad pixmap to FB_UNIT bits wide
*/
void
-fbPadPixmap (PixmapPtr pPixmap)
+fbPadPixmap(PixmapPtr pPixmap)
{
- int width;
- FbBits *bits;
- FbBits b;
- FbBits mask;
- int height;
- int w;
- int stride;
- int bpp;
+ int width;
+ FbBits *bits;
+ FbBits b;
+ FbBits mask;
+ int height;
+ int w;
+ int stride;
+ int bpp;
_X_UNUSED int xOff, yOff;
- fbGetDrawable (&pPixmap->drawable, bits, stride, bpp, xOff, yOff);
+ fbGetDrawable(&pPixmap->drawable, bits, stride, bpp, xOff, yOff);
width = pPixmap->drawable.width * pPixmap->drawable.bitsPerPixel;
height = pPixmap->drawable.height;
- mask = FbBitsMask (0, width);
- while (height--)
- {
- b = READ(bits) & mask;
- w = width;
- while (w < FB_UNIT)
- {
- b = b | FbScrRight(b, w);
- w <<= 1;
- }
- WRITE(bits, b);
- bits += stride;
+ mask = FbBitsMask(0, width);
+ while (height--) {
+ b = READ(bits) & mask;
+ w = width;
+ while (w < FB_UNIT) {
+ b = b | FbScrRight(b, w);
+ w <<= 1;
+ }
+ WRITE(bits, b);
+ bits += stride;
}
- fbFinishAccess (&pPixmap->drawable);
+ fbFinishAccess(&pPixmap->drawable);
}
/*
* Verify that 'bits' repeats every 'len' bits
*/
static Bool
-fbBitsRepeat (FbBits bits, int len, int width)
+fbBitsRepeat(FbBits bits, int len, int width)
{
- FbBits mask = FbBitsMask(0, len);
- FbBits orig = bits & mask;
- int i;
-
+ FbBits mask = FbBitsMask(0, len);
+ FbBits orig = bits & mask;
+ int i;
+
if (width > FB_UNIT)
- width = FB_UNIT;
- for (i = 0; i < width / len; i++)
- {
- if ((bits & mask) != orig)
- return FALSE;
- bits = FbScrLeft(bits,len);
+ width = FB_UNIT;
+ for (i = 0; i < width / len; i++) {
+ if ((bits & mask) != orig)
+ return FALSE;
+ bits = FbScrLeft(bits, len);
}
return TRUE;
}
@@ -138,17 +135,17 @@ fbBitsRepeat (FbBits bits, int len, int width)
* the first 'len' bits
*/
static Bool
-fbLineRepeat (FbBits *bits, int len, int width)
+fbLineRepeat(FbBits * bits, int len, int width)
{
- FbBits first = bits[0];
-
- if (!fbBitsRepeat (first, len, width))
- return FALSE;
- width = (width + FB_UNIT-1) >> FB_SHIFT;
+ FbBits first = bits[0];
+
+ if (!fbBitsRepeat(first, len, width))
+ return FALSE;
+ width = (width + FB_UNIT - 1) >> FB_SHIFT;
bits++;
while (--width)
- if (READ(bits) != first)
- return FALSE;
+ if (READ(bits) != first)
+ return FALSE;
return TRUE;
}
@@ -157,41 +154,41 @@ fbLineRepeat (FbBits *bits, int len, int width)
* each scanline to represent the entire stipple
*/
static Bool
-fbCanEvenStipple (PixmapPtr pStipple, int bpp)
+fbCanEvenStipple(PixmapPtr pStipple, int bpp)
{
- int len = FB_UNIT / bpp;
- FbBits *bits;
- int stride;
- int stip_bpp;
+ int len = FB_UNIT / bpp;
+ FbBits *bits;
+ int stride;
+ int stip_bpp;
_X_UNUSED int stipXoff, stipYoff;
- int h;
+ int h;
/* can't even stipple 24bpp drawables */
- if ((bpp & (bpp-1)) != 0)
- return FALSE;
+ if ((bpp & (bpp - 1)) != 0)
+ return FALSE;
/* make sure the stipple width is a multiple of the even stipple width */
if (pStipple->drawable.width % len != 0)
- return FALSE;
- fbGetDrawable (&pStipple->drawable, bits, stride, stip_bpp, stipXoff, stipYoff);
+ return FALSE;
+ fbGetDrawable(&pStipple->drawable, bits, stride, stip_bpp, stipXoff,
+ stipYoff);
h = pStipple->drawable.height;
/* check to see that the stipple repeats horizontally */
- while (h--)
- {
- if (!fbLineRepeat (bits, len, pStipple->drawable.width)) {
- fbFinishAccess (&pStipple->drawable);
- return FALSE;
- }
- bits += stride;
+ while (h--) {
+ if (!fbLineRepeat(bits, len, pStipple->drawable.width)) {
+ fbFinishAccess(&pStipple->drawable);
+ return FALSE;
+ }
+ bits += stride;
}
- fbFinishAccess (&pStipple->drawable);
+ fbFinishAccess(&pStipple->drawable);
return TRUE;
}
void
fbValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable)
{
- FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
- FbBits mask;
+ FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
+ FbBits mask;
/*
* if the client clip is different or moved OR the subwindowMode has
@@ -199,109 +196,101 @@ fbValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable)
* we need to recompute the composite clip
*/
- if ((changes & (GCClipXOrigin|GCClipYOrigin|GCClipMask|GCSubwindowMode)) ||
- (pDrawable->serialNumber != (pGC->serialNumber & DRAWABLE_SERIAL_BITS))
- )
- {
- miComputeCompositeClip (pGC, pDrawable);
+ if ((changes &
+ (GCClipXOrigin | GCClipYOrigin | GCClipMask | GCSubwindowMode)) ||
+ (pDrawable->serialNumber != (pGC->serialNumber & DRAWABLE_SERIAL_BITS))
+ ) {
+ miComputeCompositeClip(pGC, pDrawable);
}
-
- if (pPriv->bpp != pDrawable->bitsPerPixel)
- {
- changes |= GCStipple|GCForeground|GCBackground|GCPlaneMask;
- pPriv->bpp = pDrawable->bitsPerPixel;
+
+ if (pPriv->bpp != pDrawable->bitsPerPixel) {
+ changes |= GCStipple | GCForeground | GCBackground | GCPlaneMask;
+ pPriv->bpp = pDrawable->bitsPerPixel;
}
- if ((changes & GCTile) && fbGetRotatedPixmap(pGC))
- {
- (*pGC->pScreen->DestroyPixmap) (fbGetRotatedPixmap(pGC));
- fbGetRotatedPixmap(pGC) = 0;
+ if ((changes & GCTile) && fbGetRotatedPixmap(pGC)) {
+ (*pGC->pScreen->DestroyPixmap) (fbGetRotatedPixmap(pGC));
+ fbGetRotatedPixmap(pGC) = 0;
}
-
- if (pGC->fillStyle == FillTiled)
- {
- PixmapPtr pOldTile, pNewTile;
-
- pOldTile = pGC->tile.pixmap;
- if (pOldTile->drawable.bitsPerPixel != pDrawable->bitsPerPixel)
- {
- pNewTile = fbGetRotatedPixmap(pGC);
- if (!pNewTile || pNewTile ->drawable.bitsPerPixel != pDrawable->bitsPerPixel)
- {
- if (pNewTile)
- (*pGC->pScreen->DestroyPixmap) (pNewTile);
- pNewTile = fb24_32ReformatTile (pOldTile, pDrawable->bitsPerPixel);
- }
- if (pNewTile)
- {
- fbGetRotatedPixmap(pGC) = pOldTile;
- pGC->tile.pixmap = pNewTile;
- changes |= GCTile;
- }
- }
+
+ if (pGC->fillStyle == FillTiled) {
+ PixmapPtr pOldTile, pNewTile;
+
+ pOldTile = pGC->tile.pixmap;
+ if (pOldTile->drawable.bitsPerPixel != pDrawable->bitsPerPixel) {
+ pNewTile = fbGetRotatedPixmap(pGC);
+ if (!pNewTile ||
+ pNewTile->drawable.bitsPerPixel != pDrawable->bitsPerPixel) {
+ if (pNewTile)
+ (*pGC->pScreen->DestroyPixmap) (pNewTile);
+ pNewTile =
+ fb24_32ReformatTile(pOldTile, pDrawable->bitsPerPixel);
+ }
+ if (pNewTile) {
+ fbGetRotatedPixmap(pGC) = pOldTile;
+ pGC->tile.pixmap = pNewTile;
+ changes |= GCTile;
+ }
+ }
}
- if (changes & GCTile)
- {
- if (!pGC->tileIsPixel &&
- FbEvenTile (pGC->tile.pixmap->drawable.width *
- pDrawable->bitsPerPixel))
- fbPadPixmap (pGC->tile.pixmap);
+ if (changes & GCTile) {
+ if (!pGC->tileIsPixel &&
+ FbEvenTile(pGC->tile.pixmap->drawable.width *
+ pDrawable->bitsPerPixel))
+ fbPadPixmap(pGC->tile.pixmap);
}
- if (changes & GCStipple)
- {
- pPriv->evenStipple = FALSE;
+ if (changes & GCStipple) {
+ pPriv->evenStipple = FALSE;
- if (pGC->stipple) {
+ if (pGC->stipple) {
- /* can we do an even stipple ?? */
- if (FbEvenStip (pGC->stipple->drawable.width,
- pDrawable->bitsPerPixel) &&
- (fbCanEvenStipple (pGC->stipple, pDrawable->bitsPerPixel)))
- pPriv->evenStipple = TRUE;
+ /* can we do an even stipple ?? */
+ if (FbEvenStip(pGC->stipple->drawable.width,
+ pDrawable->bitsPerPixel) &&
+ (fbCanEvenStipple(pGC->stipple, pDrawable->bitsPerPixel)))
+ pPriv->evenStipple = TRUE;
- if (pGC->stipple->drawable.width * pDrawable->bitsPerPixel < FB_UNIT)
- fbPadPixmap (pGC->stipple);
- }
+ if (pGC->stipple->drawable.width * pDrawable->bitsPerPixel <
+ FB_UNIT)
+ fbPadPixmap(pGC->stipple);
+ }
}
/*
* Recompute reduced rop values
*/
- if (changes & (GCForeground|GCBackground|GCPlaneMask|GCFunction))
- {
- int s;
- FbBits depthMask;
-
- mask = FbFullMask(pDrawable->bitsPerPixel);
- depthMask = FbFullMask(pDrawable->depth);
-
- pPriv->fg = pGC->fgPixel & mask;
- pPriv->bg = pGC->bgPixel & mask;
-
- if ((pGC->planemask & depthMask) == depthMask)
- pPriv->pm = mask;
- else
- pPriv->pm = pGC->planemask & mask;
-
- s = pDrawable->bitsPerPixel;
- while (s < FB_UNIT)
- {
- pPriv->fg |= pPriv->fg << s;
- pPriv->bg |= pPriv->bg << s;
- pPriv->pm |= pPriv->pm << s;
- s <<= 1;
- }
- pPriv->and = fbAnd(pGC->alu, pPriv->fg, pPriv->pm);
- pPriv->xor = fbXor(pGC->alu, pPriv->fg, pPriv->pm);
- pPriv->bgand = fbAnd(pGC->alu, pPriv->bg, pPriv->pm);
- pPriv->bgxor = fbXor(pGC->alu, pPriv->bg, pPriv->pm);
+ if (changes & (GCForeground | GCBackground | GCPlaneMask | GCFunction)) {
+ int s;
+ FbBits depthMask;
+
+ mask = FbFullMask(pDrawable->bitsPerPixel);
+ depthMask = FbFullMask(pDrawable->depth);
+
+ pPriv->fg = pGC->fgPixel & mask;
+ pPriv->bg = pGC->bgPixel & mask;
+
+ if ((pGC->planemask & depthMask) == depthMask)
+ pPriv->pm = mask;
+ else
+ pPriv->pm = pGC->planemask & mask;
+
+ s = pDrawable->bitsPerPixel;
+ while (s < FB_UNIT) {
+ pPriv->fg |= pPriv->fg << s;
+ pPriv->bg |= pPriv->bg << s;
+ pPriv->pm |= pPriv->pm << s;
+ s <<= 1;
+ }
+ pPriv->and = fbAnd(pGC->alu, pPriv->fg, pPriv->pm);
+ pPriv->xor = fbXor(pGC->alu, pPriv->fg, pPriv->pm);
+ pPriv->bgand = fbAnd(pGC->alu, pPriv->bg, pPriv->pm);
+ pPriv->bgxor = fbXor(pGC->alu, pPriv->bg, pPriv->pm);
}
- if (changes & GCDashList)
- {
- unsigned short n = pGC->numInDashList;
- unsigned char *dash = pGC->dash;
- unsigned int dashLength = 0;
-
- while (n--)
- dashLength += (unsigned int ) *dash++;
- pPriv->dashLength = dashLength;
+ if (changes & GCDashList) {
+ unsigned short n = pGC->numInDashList;
+ unsigned char *dash = pGC->dash;
+ unsigned int dashLength = 0;
+
+ while (n--)
+ dashLength += (unsigned int) *dash++;
+ pPriv->dashLength = dashLength;
}
}
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