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From: James S. <jsi...@us...> - 2002-03-12 20:33:25
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Update of /cvsroot/linuxconsole/ruby/linux/drivers/video
In directory usw-pr-cvs1:/tmp/cvs-serv13048
Modified Files:
cfbcopyarea.c cfbfillrect.c
Log Message:
tabbing cleanups.
Index: cfbcopyarea.c
===================================================================
RCS file: /cvsroot/linuxconsole/ruby/linux/drivers/video/cfbcopyarea.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -d -r1.4 -r1.5
--- cfbcopyarea.c 5 Mar 2002 17:14:28 -0000 1.4
+++ cfbcopyarea.c 12 Mar 2002 20:33:19 -0000 1.5
@@ -30,186 +30,188 @@
void cfb_copyarea(struct fb_info *p, struct fb_copyarea *area)
{
- unsigned long start_index, end_index, start_mask, end_mask, last,tmp, height;
- int x2, y2, n, j, lineincr, shift, shift_right, shift_left, old_dx,old_dy;
- int linesize = p->fix.line_length, bpl = sizeof(unsigned long);
- unsigned long *dst = NULL, *src = NULL;
- char *src1,*dst1;
+ unsigned long start_index, end_index, start_mask, end_mask, last, tmp, height;
+ int x2, y2, n, j, lineincr, shift, shift_right, shift_left, old_dx, old_dy;
+ int linesize = p->fix.line_length, bpl = sizeof(unsigned long);
+ unsigned long *dst = NULL, *src = NULL;
+ char *src1,*dst1;
- /* clip the destination */
- old_dx = area->dx;
- old_dy = area->dy;
+ /* clip the destination */
+ old_dx = area->dx;
+ old_dy = area->dy;
- /* We could use hardware clipping but on many cards you get around hardware
- clipping by writing to framebuffer directly. */
- x2 = area->dx + area->width;
- y2 = area->dy + area->height;
- area->dx = area->dx > 0 ? area->dx : 0;
- area->dy = area->dy > 0 ? area->dy : 0;
- x2 = x2 < p->var.xres_virtual ? x2 : p->var.xres_virtual;
- y2 = y2 < p->var.yres_virtual ? y2 : p->var.yres_virtual;
- area->width = x2 - area->dx;
- area->height = y2 - area->dy;
+ /*
+ * We could use hardware clipping but on many cards you get around
+ * hardware clipping by writing to framebuffer directly.
+ */
+ x2 = area->dx + area->width;
+ y2 = area->dy + area->height;
+ area->dx = area->dx > 0 ? area->dx : 0;
+ area->dy = area->dy > 0 ? area->dy : 0;
+ x2 = x2 < p->var.xres_virtual ? x2 : p->var.xres_virtual;
+ y2 = y2 < p->var.yres_virtual ? y2 : p->var.yres_virtual;
+ area->width = x2 - area->dx;
+ area->height = y2 - area->dy;
- /* update sx1,sy1 */
- area->sx += (area->dx - old_dx);
- area->sy += (area->dy - old_dy);
+ /* update sx1,sy1 */
+ area->sx += (area->dx - old_dx);
+ area->sy += (area->dy - old_dy);
- height = area->height;
+ height = area->height;
- /* the source must be completely inside the virtual screen */
- if (area->sx < 0 || area->sy < 0 || (area->sx + area->width) > p->var.xres_virtual ||
- (area->sy + area->height) > p->var.yres_virtual) return;
+ /* the source must be completely inside the virtual screen */
+ if (area->sx < 0 || area->sy < 0 ||
+ (area->sx + area->width) > p->var.xres_virtual ||
+ (area->sy + area->height) > p->var.yres_virtual)
+ return;
- if (area->dy < area->sy || (area->dy == area->sy && area->dx < area->sx)) {
- /* start at the top */
- src1 = p->screen_base + area->sy * linesize +
- ((area->sx * p->var.bits_per_pixel) >> 3);
- dst1 = p->screen_base + area->dy * linesize +
- ((area->dx * p->var.bits_per_pixel) >> 3);
- lineincr = linesize;
- } else {
- /* start at the bottom */
- src1 = p->screen_base + (area->sy + area->height - 1) * linesize +
- (((area->sx + area->width - 1) * p->var.bits_per_pixel) >> 3);
- dst1 = p->screen_base + (area->dy + area->height - 1) * linesize +
- (((area->dx + area->width - 1) * p->var.bits_per_pixel) >> 3);
- lineincr = -linesize;
- }
+ if (area->dy < area->sy || (area->dy == area->sy && area->dx < area->sx)) {
+ /* start at the top */
+ src1 = p->screen_base + area->sy * linesize +
+ ((area->sx * p->var.bits_per_pixel) >> 3);
+ dst1 = p->screen_base + area->dy * linesize +
+ ((area->dx * p->var.bits_per_pixel) >> 3);
+ lineincr = linesize;
+ } else {
+ /* start at the bottom */
+ src1 = p->screen_base + (area->sy + area->height-1)*linesize +
+ (((area->sx + area->width - 1) * p->var.bits_per_pixel) >> 3);
+ dst1 = p->screen_base + (area->dy + area->height-1)*linesize +
+ (((area->dx + area->width - 1) * p->var.bits_per_pixel) >> 3);
+ lineincr = -linesize;
+ }
- if ((BITS_PER_LONG % p->var.bits_per_pixel) == 0) {
- int ppw = BITS_PER_LONG/p->var.bits_per_pixel;
- int n = ((area->width * p->var.bits_per_pixel) >> 3);
+ if ((BITS_PER_LONG % p->var.bits_per_pixel) == 0) {
+ int ppw = BITS_PER_LONG/p->var.bits_per_pixel;
+ int n = ((area->width * p->var.bits_per_pixel) >> 3);
- start_index = ((unsigned long) src1 & (bpl-1));
- end_index = ((unsigned long) (src1 + n) & (bpl-1));
- shift = ((unsigned long)dst1 & (bpl-1)) - ((unsigned long) src1 & (bpl-1));
- start_mask = end_mask = 0;
+ start_index = ((unsigned long) src1 & (bpl-1));
+ end_index = ((unsigned long) (src1 + n) & (bpl-1));
+ shift = ((unsigned long)dst1 & (bpl-1)) - ((unsigned long) src1 & (bpl-1));
+ start_mask = end_mask = 0;
- if (start_index) {
- start_mask = -1 >> (start_index << 3);
- n -= (bpl - start_index);
- }
+ if (start_index) {
+ start_mask = -1 >> (start_index << 3);
+ n -= (bpl - start_index);
+ }
- if (end_index) {
- end_mask = -1 << ((bpl - end_index) << 3);
- n -= end_index;
- }
- n = n/bpl;
+ if (end_index) {
+ end_mask = -1 << ((bpl - end_index) << 3);
+ n -= end_index;
+ }
+ n = n/bpl;
- if (n <= 0) {
- if (start_mask) {
- if (end_mask)
- end_mask &= start_mask;
- else
- end_mask = start_mask;
- start_mask = 0;
- }
- n = 0;
- }
+ if (n <= 0) {
+ if (start_mask) {
+ if (end_mask)
+ end_mask &= start_mask;
+ else
+ end_mask = start_mask;
+ start_mask = 0;
+ }
+ n = 0;
+ }
- if (shift) {
- if (shift > 0) {
- /* dest is over to right more */
- shift_right= shift * p->var.bits_per_pixel;
- shift_left= (ppw - shift) * p->var.bits_per_pixel;
- } else {
- /* source is to the right more */
- shift_right= (ppw + shift) * p->var.bits_per_pixel;
- shift_left= -shift * p->var.bits_per_pixel;
- }
- /* general case, positive increment */
- if (lineincr > 0) {
- if (shift < 0)
- n++;
- do {
- dst = (unsigned long *)dst1;
- src = (unsigned long *)src1;
+ if (shift) {
+ if (shift > 0) {
+ /* dest is over to right more */
+ shift_right = shift * p->var.bits_per_pixel;
+ shift_left = (ppw - shift) * p->var.bits_per_pixel;
+ } else {
+ /* source is to the right more */
+ shift_right = (ppw + shift) * p->var.bits_per_pixel;
+ shift_left = -shift * p->var.bits_per_pixel;
+ }
+ /* general case, positive increment */
+ if (lineincr > 0) {
+ if (shift < 0)
+ n++;
+ do {
+ dst = (unsigned long *) dst1;
+ src = (unsigned long *) src1;
- last = (fb_readl(src) & start_mask);
+ last = (fb_readl(src) & start_mask);
- if (shift > 0)
- fb_writel(fb_readl(dst) | (last >> shift_right), dst);
- for (j = 0; j<n; j++) {
- dst++;
- tmp = fb_readl(src);
- src++;
- fb_writel((last << shift_left) |
- (tmp >> shift_right),dst);
- last = tmp;
- src++;
- }
- fb_writel(fb_readl(dst) | (last << shift_left),
- dst);
- src1 += lineincr;
- dst1 += lineincr;
- } while (--height);
- } else {
- /* general case, negative increment */
- if (shift > 0)
- n++;
- do {
- dst = (unsigned long *)dst1;
- src = (unsigned long *)src1;
+ if (shift > 0)
+ fb_writel(fb_readl(dst) | (last >> shift_right), dst);
+ for (j = 0; j < n; j++) {
+ dst++;
+ tmp = fb_readl(src);
+ src++;
+ fb_writel((last << shift_left) |
+ (tmp >> shift_right),dst);
+ last = tmp;
+ src++;
+ }
+ fb_writel(fb_readl(dst) | (last << shift_left), dst);
+ src1 += lineincr;
+ dst1 += lineincr;
+ } while (--height);
+ } else {
+ /* general case, negative increment */
+ if (shift > 0)
+ n++;
+ do {
+ dst = (unsigned long *) dst1;
+ src = (unsigned long *) src1;
- last = (fb_readl(src) & end_mask);
+ last = (fb_readl(src) & end_mask);
- if (shift < 0)
+ if (shift < 0)
+ fb_writel(fb_readl(dst) | (last >> shift_right), dst);
+ for (j = 0; j < n; j++) {
+ dst--;
+ tmp = fb_readl(src);
+ src--;
+ fb_writel((tmp << shift_left) |
+ (last >> shift_right),dst);
+ last = tmp;
+ src--;
+ }
fb_writel(fb_readl(dst) | (last >> shift_right), dst);
- for ( j=0; j<n; j++) {
- dst--;
- tmp = fb_readl(src);
- src--;
- fb_writel((tmp << shift_left) |
- (last >> shift_right),dst);
- last = tmp;
- src--;
- }
- fb_writel(fb_readl(dst) | (last >> shift_right),
- dst);
- src1 += lineincr;
- dst1 += lineincr;
- } while (--height);
- }
- } else {
- /* no shift needed */
- if (lineincr > 0) {
- /* positive increment */
- do {
- dst = (unsigned long *) (dst1 - start_index);
- src = (unsigned long *) (src1 - start_index);
-
- if (start_mask)
- fb_writel(fb_readl(src) | start_mask, dst);
+ src1 += lineincr;
+ dst1 += lineincr;
+ } while (--height);
+ }
+ } else {
+ /* no shift needed */
+ if (lineincr > 0) {
+ /* positive increment */
+ do {
+ dst = (unsigned long *) (dst1 - start_index);
+ src = (unsigned long *) (src1 - start_index);
+
+ if (start_mask)
+ fb_writel(fb_readl(src) | start_mask, dst);
- for (j = 0; j < n; j++) {
- fb_writel(fb_readl(src), dst);
- dst++;
- src++;
- }
+ for (j = 0; j < n; j++) {
+ fb_writel(fb_readl(src), dst);
+ dst++;
+ src++;
+ }
- if (end_mask)
- fb_writel(fb_readl(src) | end_mask,dst);
- src1 += lineincr;
- dst1 += lineincr;
- } while (--height);
- } else {
- /* negative increment */
- do {
- dst = (unsigned long *)dst1;
- src = (unsigned long *)src1;
+ if (end_mask)
+ fb_writel(fb_readl(src) | end_mask,dst);
+ src1 += lineincr;
+ dst1 += lineincr;
+ } while (--height);
+ } else {
+ /* negative increment */
+ do {
+ dst = (unsigned long *) dst1;
+ src = (unsigned long *) src1;
- if (start_mask)
- fb_writel(fb_readl(src) | start_mask, dst);
- for (j = 0; j < n; j++) {
- fb_writel(fb_readl(src), dst);
- dst--;
- src--;
- }
- src1 += lineincr;
- dst1 += lineincr;
- } while (--height);
+ if (start_mask)
+ fb_writel(fb_readl(src) | start_mask, dst);
+ for (j = 0; j < n; j++) {
+ fb_writel(fb_readl(src), dst);
+ dst--;
+ src--;
+ }
+ src1 += lineincr;
+ dst1 += lineincr;
+ } while (--height);
+ }
}
- }
- }
+ }
}
Index: cfbfillrect.c
===================================================================
RCS file: /cvsroot/linuxconsole/ruby/linux/drivers/video/cfbfillrect.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -d -r1.7 -r1.8
--- cfbfillrect.c 6 Mar 2002 23:05:56 -0000 1.7
+++ cfbfillrect.c 12 Mar 2002 20:33:19 -0000 1.8
@@ -24,175 +24,166 @@
void cfb_fillrect(struct fb_info *p, struct fb_fillrect *rect)
{
- unsigned long start_index, end_index, start_mask = 0, end_mask = 0;
- unsigned long height, ppw, fg, fgcolor;
- int i, n, x2, y2, linesize = p->fix.line_length;
- int bpl = sizeof(unsigned long);
- unsigned long *dst;
- char *dst1;
+ unsigned long start_index, end_index, start_mask = 0, end_mask = 0;
+ unsigned long height, ppw, fg, fgcolor;
+ int i, n, x2, y2, linesize = p->fix.line_length;
+ int bpl = sizeof(unsigned long);
+ unsigned long *dst;
+ char *dst1;
- if (!rect->width || !rect->height) return;
+ if (!rect->width || !rect->height) return;
- /* We could use hardware clipping but on many cards you get around hardware
- clipping by writing to framebuffer directly. */
- x2 = rect->dx + rect->width;
- y2 = rect->dy + rect->height;
- x2 = x2 < p->var.xres_virtual ? x2 : p->var.xres_virtual;
- y2 = y2 < p->var.yres_virtual ? y2 : p->var.yres_virtual;
- rect->width = x2 - rect->dx;
- height = y2 - rect->dy;
-
- /* Size of the scanline in bytes */
- n = ((rect->width * p->var.bits_per_pixel) >> 3);
- ppw = BITS_PER_LONG/p->var.bits_per_pixel;
+ /* We could use hardware clipping but on many cards you get around
+ * hardware clipping by writing to framebuffer directly. */
+ x2 = rect->dx + rect->width;
+ y2 = rect->dy + rect->height;
+ x2 = x2 < p->var.xres_virtual ? x2 : p->var.xres_virtual;
+ y2 = y2 < p->var.yres_virtual ? y2 : p->var.yres_virtual;
+ rect->width = x2 - rect->dx;
+ height = y2 - rect->dy;
- dst1 = p->screen_base + rect->dy * linesize + ((rect->dx * p->var.bits_per_pixel) >> 3);
- start_index = ((unsigned long) dst1 & (bpl-1));
- end_index = ((unsigned long)(dst1 + n) & (bpl-1));
+ /* Size of the scanline in bytes */
+ n = ((rect->width * p->var.bits_per_pixel) >> 3);
+ ppw = BITS_PER_LONG/p->var.bits_per_pixel;
- // printk("start_index is %ld\n", start_index);
- // printk("end_index is %ld\n", end_index);
- // printk("width is %d\n", width);
+ dst1 = p->screen_base + rect->dy * linesize + ((rect->dx * p->var.bits_per_pixel) >> 3);
+ start_index = ((unsigned long) dst1 & (bpl-1));
+ end_index = ((unsigned long)(dst1 + n) & (bpl-1));
- if (p->fix.visual == FB_VISUAL_TRUECOLOR)
- fg = fgcolor = ((u32 *)(p->pseudo_palette))[rect->color];
- else
- fg = fgcolor = rect->color;
+ if (p->fix.visual == FB_VISUAL_TRUECOLOR)
+ fg = fgcolor = ((u32 *)(p->pseudo_palette))[rect->color];
+ else
+ fg = fgcolor = rect->color;
- for (i = 0; i < ppw-1; i++) {
- fg <<= p->var.bits_per_pixel;
- fg |= fgcolor;
- }
+ for (i = 0; i < ppw-1; i++) {
+ fg <<= p->var.bits_per_pixel;
+ fg |= fgcolor;
+ }
- if (start_index) {
- start_mask = fg << (start_index << 3);
- n -= (bpl - start_index);
- }
+ if (start_index) {
+ start_mask = fg << (start_index << 3);
+ n -= (bpl - start_index);
+ }
- if (end_index) {
- end_mask = fg >> ((bpl - end_index) << 3);
- n -= end_index;
- }
-
- n = n/bpl;
+ if (end_index) {
+ end_mask = fg >> ((bpl - end_index) << 3);
+ n -= end_index;
+ }
- if (n <= 0) {
- if (start_mask) {
- if (end_mask)
- end_mask &= start_mask;
- else
- end_mask = start_mask;
- start_mask = 0;
- }
- n = 0;
- }
+ n = n/bpl;
- // printk("start_mask is %ld\n", start_mask);
-// printk("end_mask is %ld\n", end_mask);
-// printk("n is %d\n", n);
+ if (n <= 0) {
+ if (start_mask) {
+ if (end_mask)
+ end_mask &= start_mask;
+ else
+ end_mask = start_mask;
+ start_mask = 0;
+ }
+ n = 0;
+ }
- if ((BITS_PER_LONG % p->var.bits_per_pixel) == 0) {
- switch (rect->rop) {
- case ROP_COPY:
- do {
- /* Word align to increases performace :-) */
- dst = (unsigned long *) (dst1 - start_index);
+ if ((BITS_PER_LONG % p->var.bits_per_pixel) == 0) {
+ switch (rect->rop) {
+ case ROP_COPY:
+ do {
+ /* Word align to increases performace :-) */
+ dst = (unsigned long *) (dst1 - start_index);
- if (start_mask) {
+ if (start_mask) {
#if BITS_PER_LONG == 32
- fb_writel(fb_readl(dst) | start_mask, dst);
+ fb_writel(fb_readl(dst) | start_mask, dst);
#else
- fb_writeq(fb_readq(dst) | start_mask, dst);
+ fb_writeq(fb_readq(dst) | start_mask, dst);
#endif
- dst++;
- }
+ dst++;
+ }
- for(i=0;i<n;i++) {
+ for ( i=0; i < n; i++) {
#if BITS_PER_LONG == 32
- fb_writel(fg, dst);
+ fb_writel(fg, dst);
#else
- fb_writeq(fg, dst);
+ fb_writeq(fg, dst);
#endif
- dst++;
- }
+ dst++;
+ }
- if (end_mask)
+ if (end_mask)
#if BITS_PER_LONG == 32
- fb_writel(fb_readl(dst) | end_mask, dst);
+ fb_writel(fb_readl(dst) | end_mask, dst);
#else
- fb_writeq(fb_readq(dst) | end_mask, dst);
+ fb_writeq(fb_readq(dst) | end_mask, dst);
#endif
- dst1+=linesize;
- } while (--height);
- break;
- case ROP_XOR:
- do {
- dst = (unsigned long *) (dst1 - start_index);
-
+ dst1+=linesize;
+ } while (--height);
+ break;
+ case ROP_XOR:
+ do {
+ dst = (unsigned long *) (dst1 - start_index);
#if BITS_PER_LONG == 32
- fb_writel(fb_readl(dst) ^ start_mask, dst);
+ fb_writel(fb_readl(dst) ^ start_mask, dst);
#else
- fb_writeq(fb_readq(dst) ^ start_mask, dst);
+ fb_writeq(fb_readq(dst) ^ start_mask, dst);
#endif
- for(i=0;i<n;i++) {
- dst++;
+ for( i=0; i < n; i++) {
+ dst++;
#if BITS_PER_LONG == 32
- fb_writel(fb_readl(dst) ^ fg, dst);
+ fb_writel(fb_readl(dst) ^ fg, dst);
#else
- fb_writeq(fb_readq(dst) ^ fg, dst);
+ fb_writeq(fb_readq(dst) ^ fg, dst);
#endif
- }
+ }
- if (end_mask) {
- dst++;
+ if (end_mask) {
+ dst++;
#if BITS_PER_LONG == 32
- fb_writel(fb_readl(dst) ^ end_mask, dst);
+ fb_writel(fb_readl(dst) ^ end_mask, dst);
#else
- fb_writeq(fb_readq(dst) ^ end_mask, dst);
+ fb_writeq(fb_readq(dst) ^ end_mask, dst);
#endif
- }
- dst1+=linesize;
- } while (--height);
- break;
- }
- } else {
- /* Odd modes like 24 or 80 bits per pixel */
- start_mask = fg >> (start_index * p->var.bits_per_pixel);
- end_mask = fg << (end_index * p->var.bits_per_pixel);
- /* start_mask =& PFILL24(x1,fg);
- end_mask_or = end_mask & PFILL24(x1+width-1,fg); */
+ }
+ dst1+=linesize;
+ } while (--height);
+ break;
+ }
+ } else {
+ /* Odd modes like 24 or 80 bits per pixel */
+ start_mask = fg >> (start_index * p->var.bits_per_pixel);
+ end_mask = fg << (end_index * p->var.bits_per_pixel);
+ /* start_mask =& PFILL24(x1,fg);
+ end_mask_or = end_mask & PFILL24(x1+width-1,fg); */
- n = (rect->width - start_index - end_index)/ppw;
+ n = (rect->width - start_index - end_index)/ppw;
- switch (rect->rop) {
- case ROP_COPY:
- do {
- dst = (unsigned long *)dst1;
- if (start_mask) *dst |= start_mask;
- if ((start_index + rect->width) > ppw) dst++;
+ switch (rect->rop) {
+ case ROP_COPY:
+ do {
+ dst = (unsigned long *)dst1;
+ if (start_mask) *dst |= start_mask;
+ if ((start_index + rect->width) > ppw) dst++;
- /* XXX: slow */
- for(i=0;i<n;i++) {
- *dst++ = fg;
- }
- if (end_mask) *dst |= end_mask;
- dst1+=linesize;
- } while (--height);
- break;
- case ROP_XOR:
- do {
- dst = (unsigned long *)dst1;
- if (start_mask) *dst ^= start_mask;
- if ((start_mask + rect->width) > ppw) dst++;
+ /* XXX: slow */
+ for (i = 0;i < n; i++) {
+ *dst++ = fg;
+ }
+ if (end_mask) *dst |= end_mask;
+ dst1+=linesize;
+ } while (--height);
+ break;
+ case ROP_XOR:
+ do {
+ dst = (unsigned long *)dst1;
+ if (start_mask) *dst ^= start_mask;
+ if ((start_mask + rect->width) > ppw) dst++;
- for(i=0;i<n;i++) {
- *dst++ ^= fg; /* PFILL24(fg,x1+i); */
+ for( i = 0; i < n; i++) {
+ *dst++ ^= fg; /* PFILL24(fg,x1+i); */
+ }
+ if (end_mask) *dst ^= end_mask;
+ dst1+=linesize;
+ } while (--height);
+ break;
+ }
}
- if (end_mask) *dst ^= end_mask;
- dst1+=linesize;
- } while (--height);
- break;
- }
- }
- return;
+ return;
}
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