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mesa: Add assert to _mesa_primitive_restart_index.

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Make sure the inde_size parameter is meant to be in bytes.

Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Mathias Fröhlich <Mathias.Froehlich@web.de>
This commit is contained in:
Mathias Fröhlich 2019-03-14 05:58:43 +01:00
parent d66faa54b2
commit ebc15ecde5
1 changed files with 3 additions and 0 deletions
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3
src/mesa/main/varray.h
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@ -316,6 +316,9 @@ static inline unsigned
_mesa_primitive_restart_index(const struct gl_context *ctx, _mesa_primitive_restart_index(const struct gl_context *ctx,
unsigned index_size) unsigned index_size)
{ {
/* The index_size parameter is menat to be in bytes. */
assert(index_size == 1 || index_size == 2 || index_size == 4);
/* From the OpenGL 4.3 core specification, page 302: /* From the OpenGL 4.3 core specification, page 302:
* "If both PRIMITIVE_RESTART and PRIMITIVE_RESTART_FIXED_INDEX are * "If both PRIMITIVE_RESTART and PRIMITIVE_RESTART_FIXED_INDEX are
* enabled, the index value determined by PRIMITIVE_RESTART_FIXED_INDEX * enabled, the index value determined by PRIMITIVE_RESTART_FIXED_INDEX