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radeonsi: don't call VBO prefetch with size=0

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Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
This commit is contained in:
Marek Olšák 2018-08-28 17:45:00 -04:00
parent 1119fe5c25
commit 986d6f12fb
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/radeonsi/si_cp_dma.c
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@ -555,7 +555,7 @@ static void cik_prefetch_shader_async(struct si_context *sctx,
static void cik_prefetch_VBO_descriptors(struct si_context *sctx)
{
if (!sctx->vertex_elements)
if (!sctx->vertex_elements || !sctx->vertex_elements->desc_list_byte_size)
return;
cik_prefetch_TC_L2_async(sctx, &sctx->vb_descriptors_buffer->b.b,