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Check that ActiveTextureARB doesn't overflow MaxTextureUnits

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This commit is contained in:
Alan Hourihane 2002-12-30 19:24:05 +00:00
parent 0070285b32
commit 95249b2d18
1 changed files with 3 additions and 2 deletions
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5
src/mesa/main/texstate.c
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@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.89 2002/12/18 15:01:26 brianp Exp $ */
/* $Id: texstate.c,v 1.90 2002/12/30 19:24:05 alanh Exp $ */
/*
* Mesa 3-D graphics library
@ -2427,7 +2427,8 @@ _mesa_ActiveTextureARB( GLenum target )
_mesa_debug(ctx, "glActiveTexture %s\n",
_mesa_lookup_enum_by_nr(target));
if (texUnit > ctx->Const.MaxTextureUnits) {
/* Cater for texture unit 0 is first, therefore use >= */
if (texUnit >= ctx->Const.MaxTextureUnits) {
_mesa_error(ctx, GL_INVALID_ENUM, "glActiveTextureARB(target)");
return;
}