From f1f022dbb103947b0edf5ae984fcff00f6a8e539 Mon Sep 17 00:00:00 2001
From: "Xiang, Haihao" <haihao.xiang@intel.com>
Date: Tue, 6 Jan 2009 15:37:45 +0800
Subject: mesa: Fix the size per pixel for packed pixel format data type.

---
 src/mesa/main/image.c  | 2 +-
 src/mesa/main/image.h  | 3 +++
 src/mesa/main/mipmap.c | 6 +++++-
 3 files changed, 9 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index c205b4b766..4d86c54777 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -61,7 +61,7 @@
 /**
  * \return GL_TRUE if type is packed pixel type, GL_FALSE otherwise.
  */
-static GLboolean
+GLboolean
 _mesa_type_is_packed(GLenum type)
 {
    switch (type) {
diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h
index 38e1374c20..0e0bbd96d8 100644
--- a/src/mesa/main/image.h
+++ b/src/mesa/main/image.h
@@ -36,6 +36,9 @@ _mesa_swap2( GLushort *p, GLuint n );
 extern void
 _mesa_swap4( GLuint *p, GLuint n );
 
+extern GLboolean
+_mesa_type_is_packed(GLenum type);
+
 extern GLint
 _mesa_sizeof_type( GLenum type );
 
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index 9e051ace25..3dd4b3391b 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -41,7 +41,11 @@ bytes_per_pixel(GLenum datatype, GLuint comps)
 {
    GLint b = _mesa_sizeof_packed_type(datatype);
    assert(b >= 0);
-   return b * comps;
+
+   if (_mesa_type_is_packed(datatype))
+       return b;
+   else
+       return b * comps;
 }
 
 
-- 
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