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added a glClear() error check

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This commit is contained in:
Brian Paul 2002-02-15 16:25:16 +00:00
parent 4ba35633d6
commit 70b8d304bb
1 changed files with 12 additions and 3 deletions
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15
src/mesa/main/buffers.c
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@ -1,10 +1,10 @@
/* $Id: buffers.c,v 1.31 2001/09/14 21:36:43 brianp Exp $ */
/* $Id: buffers.c,v 1.32 2002/02/15 16:25:16 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
* Version: 4.1
*
* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@ -99,6 +99,15 @@ _mesa_Clear( GLbitfield mask )
if (MESA_VERBOSE & VERBOSE_API)
fprintf(stderr, "glClear 0x%x\n", mask);
if (mask & ~(GL_COLOR_BUFFER_BIT |
GL_DEPTH_BUFFER_BIT |
GL_STENCIL_BUFFER_BIT |
GL_ACCUM_BUFFER_BIT)) {
/* invalid bit set */
_mesa_error( ctx, GL_INVALID_VALUE, "glClear(mask)");
return;
}
if (ctx->NewState) {
_mesa_update_state( ctx ); /* update _Xmin, etc */
}