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gallium/swr: Fix array stride problem.

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Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4405>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4405>
This commit is contained in:
Krzysztof Raszkowski
2020-04-01 16:57:20 +02:00
committed by Marge Bot
parent c1e7e83d52
commit 37b8130bf9
1 changed files with 3 additions and 2 deletions
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src/gallium/drivers/swr/swr_state.cpp
+3 -2
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@@ -1106,16 +1106,17 @@ swr_user_vbuf_range(const struct pipe_draw_info *info,
{
/* FIXME: The size is too large - we don't access the full extra stride. */
unsigned elems;
unsigned elem_pitch = vb->stride + velems->stream_pitch[i];
if (velems->instanced_bufs & (1U << i)) {
elems = info->instance_count / velems->min_instance_div[i] + 1;
*totelems = info->start_instance + elems;
*base = info->start_instance * vb->stride;
*size = elems * vb->stride;
*size = elems * elem_pitch;
} else if (vb->stride) {
elems = info->max_index - info->min_index + 1;
*totelems = (info->max_index + info->index_bias) + 1;
*base = (info->min_index + info->index_bias) * vb->stride;
*size = elems * vb->stride;
*size = elems * elem_pitch;
} else {
*totelems = 1;
*base = 0;