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added missing <type> error checking in read_index_pixels()

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Brian Paul 2003-11-18 03:42:17 +00:00
parent 7eb3e9b964
commit 10b09212e8
1 changed files with 13 additions and 3 deletions
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16
src/mesa/swrast/s_readpix.c
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@ -1,9 +1,8 @@
/*
* Mesa 3-D graphics library
* Version: 4.1
* Version: 5.1
*
* Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2003 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"),
@ -61,6 +60,17 @@ read_index_pixels( GLcontext *ctx,
return;
}
if (type != GL_BYTE &&
type != GL_UNSIGNED_BYTE &&
type != GL_SHORT &&
type != GL_UNSIGNED_SHORT &&
type != GL_INT &&
type != GL_UNSIGNED_INT &&
type != GL_FLOAT) {
_mesa_error( ctx, GL_INVALID_OPERATION, "glReadPixels(index type)");
return;
}
_swrast_use_read_buffer(ctx);
readWidth = (width > MAX_WIDTH) ? MAX_WIDTH : width;