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mesa: add an assertion in _mesa_enable_vertex_array_attrib()

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Some of the enable/disable vertex array functions take a zero-based
generic index, while others take a VERT_ATTRIB_GENERIC0-based value.
Add an assertion to clarify that in one place.

Reviewed-by: Gert Wollny <gw.fossdev@gmail.com>
This commit is contained in:
Brian Paul 2018-01-26 11:03:57 -07:00
parent 7f12791cc6
commit 4ab7e03e1f
1 changed files with 1 additions and 0 deletions
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src/mesa/main/varray.c
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@ -1064,6 +1064,7 @@ _mesa_enable_vertex_array_attrib(struct gl_context *ctx,
struct gl_vertex_array_object *vao,
unsigned attrib)
{
assert(attrib >= VERT_ATTRIB_GENERIC0);
assert(attrib < ARRAY_SIZE(vao->VertexAttrib));
if (!vao->VertexAttrib[attrib].Enabled) {