[Glamor] [PATCH 3/3] glamor_dump_pixmap: Add helper routine to dump pixmap.
zhigang.gong at linux.intel.com
zhigang.gong at linux.intel.com
Thu Feb 2 20:00:18 PST 2012
From: Zhigang Gong <zhigang.gong at linux.intel.com>
For debug purpose only to dump the pixmap's content.
As this function will call glamor_prepare_access/glamor_finish_access
internally. Please use it carefully.
Signed-off-by: Zhigang Gong <zhigang.gong at linux.intel.com>
---
src/glamor_utils.h | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 53 insertions(+), 0 deletions(-)
diff --git a/src/glamor_utils.h b/src/glamor_utils.h
index a60b146..74ce6cd 100644
--- a/src/glamor_utils.h
+++ b/src/glamor_utils.h
@@ -610,4 +610,57 @@ inline static Bool glamor_tex_format_is_readable(GLenum format)
}
+static inline void _glamor_dump_pixmap_byte(PixmapPtr pixmap, int x, int y, int w, int h)
+{
+ int i,j;
+ unsigned char * p = pixmap->devPrivate.ptr;
+ int stride = pixmap->devKind;
+
+ p = p + y * stride + x;
+ ErrorF("devKind %d, x %d y %d w %d h %d width %d height %d\n", stride, x, y, w, h, pixmap->drawable.width, pixmap->drawable.height);
+
+ 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;
+ unsigned int * p = pixmap->devPrivate.ptr;
+ int stride = pixmap->devKind / 4;
+
+ 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(PixmapPtr pixmap, int x, int y, int w, int 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 24:
+ case 32:
+ _glamor_dump_pixmap_word(pixmap, x, y, w, h);
+ break;
+ default:
+ assert(0);
+ }
+ glamor_finish_access(&pixmap->drawable, GLAMOR_ACCESS_RO);
+}
#endif
--
1.7.4.4
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