Mesa (mesa_7_5_branch): gallium: Shorthand functions for computing stride and sizes for a rect.

[Jose Fonseca]

Module: Mesa
Branch: mesa_7_5_branch
Commit: 8bfbb7ec8b978d4b56ad6be7dca0290a96e91e6a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8bfbb7ec8b978d4b56ad6be7dca0290a96e91e6a

Author: José Fonseca <jfonseca at vmware.com>
Date:   Wed Jun 10 15:31:12 2009 +0100

gallium: Shorthand functions for computing stride and sizes for a rect.

---

 src/gallium/include/pipe/p_format.h |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h
index a279eef..187377f 100644
--- a/src/gallium/include/pipe/p_format.h
+++ b/src/gallium/include/pipe/p_format.h
@@ -536,6 +536,18 @@ pf_get_nblocks(const struct pipe_format_block *block, unsigned width, unsigned h
    return pf_get_nblocksx(block, width)*pf_get_nblocksy(block, height);
 }
 
+static INLINE size_t
+pf_get_stride(const struct pipe_format_block *block, unsigned width)
+{
+   return pf_get_nblocksx(block, width)*block->size;
+}
+
+static INLINE size_t
+pf_get_2d_size(const struct pipe_format_block *block, size_t stride, unsigned height)
+{
+   return pf_get_nblocksy(block, height)*stride;
+}
+
 static INLINE boolean 
 pf_is_depth_stencil( enum pipe_format format )
 {