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Pass:line copies tables of vectors to vertices better; 

Using vec3_init writes 4 floats which can, extremely rarely, go past the
end of the vertex buffer.
This commit is contained in:
bjorn 2022-12-04 17:59:22 -08:00
parent 7bd3546aa9
commit bb46fa5745
1 changed files with 3 additions and 2 deletions
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5
src/api/l_graphics_pass.c
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@ -558,9 +558,10 @@ static void luax_readvertices(lua_State* L, int index, float* vertices, uint32_t
} else if (innerType == LUA_TUSERDATA || innerType == LUA_TLIGHTUSERDATA) {
for (uint32_t i = 0; i < count; i++) {
lua_rawgeti(L, index, i + 1);
vec3_init(vertices, luax_checkvector(L, -1, V_VEC3, NULL));
lua_pop(L, 1);
float* v = luax_checkvector(L, -1, V_VEC3, NULL);
memcpy(vertices, v, 3 * sizeof(float));
vertices += 3;
lua_pop(L, 1);
}
}
break;