sydney/q3-sydney-qvm
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Only allow model meshes to have SHADER_MAX_VERTEXES - 1 vertexes

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The last index is used to check for buffer overflows. See RB_CheckOverflow and RB_EndSurface.
This commit is contained in:
Zack Middleton committed 2013-06-18 17:02:47 -05:00
1 parent 00c1831edb
commit cb2fa48d65
4 files changed
+32 -32
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code/renderergl2/tr_model_iqm.c
+4 -4
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@@ -318,17 +318,17 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
}
// check ioq3 limits
if ( mesh->num_vertexes > SHADER_MAX_VERTEXES )
if ( mesh->num_vertexes >= SHADER_MAX_VERTEXES )
{
ri.Printf(PRINT_WARNING, "R_LoadIQM: %s has more than %i verts on %s (%i).\n",
mod_name, SHADER_MAX_VERTEXES, meshName[0] ? meshName : "a surface",
mod_name, SHADER_MAX_VERTEXES - 1, meshName[0] ? meshName : "a surface",
mesh->num_vertexes );
return qfalse;
}
if ( mesh->num_triangles*3 > SHADER_MAX_INDEXES )
if ( mesh->num_triangles*3 >= SHADER_MAX_INDEXES )
{
ri.Printf(PRINT_WARNING, "R_LoadIQM: %s has more than %i triangles on %s (%i).\n",
mod_name, SHADER_MAX_INDEXES / 3, meshName[0] ? meshName : "a surface",
mod_name, ( SHADER_MAX_INDEXES / 3 ) - 1, meshName[0] ? meshName : "a surface",
mesh->num_triangles );
return qfalse;
}