added _mesa_image_row_stride()

1 files changed, 6 insertions, 1 deletions

diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h
index 252363c8da..758213995d 100644
--- a/src/mesa/main/image.h
+++ b/src/mesa/main/image.h
@@ -1,4 +1,4 @@
-/* $Id: image.h,v 1.4 2000/03/13 18:31:51 brianp Exp $ */
+/* $Id: image.h,v 1.5 2000/03/21 00:48:53 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -61,6 +61,11 @@ gl_pixel_addr_in_image( const struct gl_pixelstore_attrib *packing,
                         GLint img, GLint row, GLint column );
 
 
+extern GLint
+_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
+                        GLint width, GLenum format, GLenum type );
+
+
 extern void
 _mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32],
                               const struct gl_pixelstore_attrib *unpacking );