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draw: don't assume fixed offset for data in struct vertex_info

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Otherwise, if struct vertex_info is changed, you're in for some surprises...

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
This commit is contained in:
Roland Scheidegger 2015-12-11 04:53:21 +01:00
parent 583a5778f4
commit 6c2c1e0ffe
1 changed files with 3 additions and 5 deletions
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8
src/gallium/auxiliary/draw/draw_pt_fetch.c
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@ -71,12 +71,10 @@ draw_pt_fetch_prepare(struct pt_fetch *fetch,
fetch->vertex_size = vertex_size;
/* Leave the clipmask/edgeflags/pad/vertex_id untouched
/* Leave the clipmask/edgeflags/pad/vertex_id,
* clip[] and whatever else in the header untouched.
*/
dst_offset += 1 * sizeof(float);
/* Just leave the clip[] and pre_clip_pos[] array untouched.
*/
dst_offset += 8 * sizeof(float);
dst_offset = offsetof(struct vertex_header, data);
if (instance_id_index != ~0) {
num_extra_inputs++;