diff options
| -rw-r--r-- | src/mesa/swrast/swrast.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/mesa/swrast/swrast.h b/src/mesa/swrast/swrast.h index a6f7995ff1c..55c1593246a 100644 --- a/src/mesa/swrast/swrast.h +++ b/src/mesa/swrast/swrast.h @@ -1,8 +1,8 @@ -/* $Id: swrast.h,v 1.32 2002/10/29 20:29:00 brianp Exp $ */ +/* $Id: swrast.h,v 1.33 2002/11/13 16:47:18 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 4.1 + * Version: 5.1 * * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. * @@ -458,6 +458,8 @@ struct swrast_device_driver { void (*WriteMonoRGBASpan)( const GLcontext *ctx, GLuint n, GLint x, GLint y, const GLchan color[4], const GLubyte mask[] ); /* Write a horizontal run of RGBA pixels all with the same color. + * If mask is NULL, draw all pixels. + * If mask is not null, only draw pixel [i] when mask [i] is true. */ void (*WriteRGBAPixels)( const GLcontext *ctx, @@ -479,12 +481,16 @@ struct swrast_device_driver { /* Write a horizontal run of CI pixels. One function is for 32bpp * indexes and the other for 8bpp pixels (the common case). You mus * implement both for color index mode. + * If mask is NULL, draw all pixels. + * If mask is not null, only draw pixel [i] when mask [i] is true. */ void (*WriteMonoCISpan)( const GLcontext *ctx, GLuint n, GLint x, GLint y, GLuint colorIndex, const GLubyte mask[] ); /* Write a horizontal run of color index pixels using the color index * last specified by the Index() function. + * If mask is NULL, draw all pixels. + * If mask is not null, only draw pixel [i] when mask [i] is true. */ void (*WriteCI32Pixels)( const GLcontext *ctx, |