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glamor_utils: Added debug function to dump depth 15/16 pixmap. 

Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
This commit is contained in:
Zhigang Gong 2012-04-05 20:27:35 +08:00 committed by Eric Anholt
parent 57e29ebdc1
commit 55fdc7b196
1 changed files with 27 additions and 1 deletions
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28
glamor/glamor_utils.h
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@ -658,6 +658,24 @@ static inline void _glamor_dump_pixmap_byte(PixmapPtr pixmap, int x, int y, int
}
}
static inline void _glamor_dump_pixmap_sword(PixmapPtr pixmap, int x, int y, int w, int h)
{
int i,j;
unsigned short * p = pixmap->devPrivate.ptr;
int stride = pixmap->devKind / 2;
p = p + y * stride + x;
for (i = 0; i < h; i++)
{
ErrorF("line %3d: ", i);
for(j = 0; j < w; j++)
ErrorF("%2x ", p[j]);
p += stride;
ErrorF("\n");
}
}
static inline void _glamor_dump_pixmap_word(PixmapPtr pixmap, int x, int y, int w, int h)
{
int i,j;
@ -678,17 +696,25 @@ static inline void _glamor_dump_pixmap_word(PixmapPtr pixmap, int x, int y, int
static inline void glamor_dump_pixmap(PixmapPtr pixmap, int x, int y, int w, int h)
{
w = ((x + w) > pixmap->drawable.width) ? (pixmap->drawable.width - x) : w;
h = ((y + h) > pixmap->drawable.height) ? (pixmap->drawable.height - y) : h;
glamor_prepare_access(&pixmap->drawable, GLAMOR_ACCESS_RO);
switch (pixmap->drawable.depth) {
case 8:
_glamor_dump_pixmap_byte(pixmap, x, y, w, h);
break;
case 15:
case 16:
_glamor_dump_pixmap_sword(pixmap, x, y, w, h);
break;
case 24:
case 32:
_glamor_dump_pixmap_word(pixmap, x, y, w, h);
break;
default:
assert(0);
ErrorF("dump depth %d, not implemented.\n", pixmap->drawable.depth);
}
glamor_finish_access(&pixmap->drawable, GLAMOR_ACCESS_RO);
}