diff options
| author | Brian Paul <[email protected]> | 2008-09-18 15:29:57 -0600 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2008-09-18 15:29:57 -0600 |
| commit | 58dce864e659da3d1f9761154e622a45e420c229 (patch) | |
| tree | 7336dd1c2146ed2179de055442f79eabef445a23 | |
| parent | ecadb51bbcb972a79f3ed79e65a7986b9396e757 (diff) | |
mesa: fix null ptr deref bug in _tnl_InvalidateState(), bug 15834
| -rw-r--r-- | src/mesa/tnl/t_context.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/mesa/tnl/t_context.c b/src/mesa/tnl/t_context.c index e772a06eda8..00f43b553bd 100644 --- a/src/mesa/tnl/t_context.c +++ b/src/mesa/tnl/t_context.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.5.2 + * Version: 7.2 * - * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2008 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"), @@ -137,11 +137,19 @@ _tnl_InvalidateState( GLcontext *ctx, GLuint new_state ) RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR_INDEX ); } - if (ctx->Fog.Enabled || - ((ctx->FragmentProgram._Active || ctx->FragmentProgram._Current) && - (ctx->FragmentProgram._Current->FogOption != GL_NONE || - (ctx->FragmentProgram._Current->Base.InputsRead & FRAG_BIT_FOGC)))) + if (ctx->Fog.Enabled) { + /* fixed-function fog */ RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_FOG ); + } + else if (ctx->FragmentProgram._Active || ctx->FragmentProgram._Current) { + struct gl_fragment_program *fp = ctx->FragmentProgram._Current; + if (fp) { + if (fp->FogOption != GL_NONE || (fp->Base.InputsRead & FRAG_BIT_FOGC)) { + /* fragment program needs fog coord */ + RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_FOG ); + } + } + } if (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL) |