Mesa (master): mesa: add a few comments for the z unpacking functions

Brian Paul brianp at kemper.freedesktop.org
Fri Dec 16 15:45:31 UTC 2011


Module: Mesa
Branch: master
Commit: 89da5a14153299adacec7f74047cf7e014b47b70
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=89da5a14153299adacec7f74047cf7e014b47b70

Author: Brian Paul <brianp at vmware.com>
Date:   Fri Dec 16 08:44:42 2011 -0700

mesa: add a few comments for the z unpacking functions

---

 src/mesa/main/format_unpack.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/format_unpack.c b/src/mesa/main/format_unpack.c
index 4f23f3d..32d198c 100644
--- a/src/mesa/main/format_unpack.c
+++ b/src/mesa/main/format_unpack.c
@@ -1822,6 +1822,10 @@ unpack_float_z_Z32X24S8(GLuint n, const void *src, GLfloat *dst)
 
 
 
+/**
+ * Unpack Z values.
+ * The returned values will always be in the range [0.0, 1.0].
+ */
 void
 _mesa_unpack_float_z_row(gl_format format, GLuint n,
                          const void *src, GLfloat *dst)
@@ -1901,6 +1905,10 @@ unpack_uint_z_Z32(const void *src, GLuint *dst, GLuint n)
 }
 
 
+/**
+ * Unpack Z values.
+ * The returned values will always be in the range [0, 0xffffffff].
+ */
 void
 _mesa_unpack_uint_z_row(gl_format format, GLuint n,
                         const void *src, GLuint *dst)




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