On 16.02.2017 13:53, Marek Olšák wrote:
From: Marek Olšák <marek.ol...@amd.com>
start can only be non-zero with MultiDrawElements, which is unlikely
to occur with UNSIGNED_BYTE indices.
Do we have a test case for this?
Cheers,
Nicolai
---
src/gallium/drivers/radeonsi/si_state_draw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c
b/src/gallium/drivers/radeonsi/si_state_draw.c
index d453309..8f5dcbc 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -1045,21 +1045,21 @@ void si_draw_vbo(struct pipe_context *ctx, const struct
pipe_draw_info *info)
ib.offset = sctx->index_buffer.offset;
/* Translate or upload, if needed. */
/* 8-bit indices are supported on VI. */
if (sctx->b.chip_class <= CIK && ib.index_size == 1) {
struct pipe_resource *out_buffer = NULL;
unsigned out_offset, start, count, start_offset;
void *ptr;
si_get_draw_start_count(sctx, info, &start, &count);
- start_offset = start * ib.index_size;
+ start_offset = start * 2;
u_upload_alloc(ctx->stream_uploader, start_offset,
count * 2, 256,
&out_offset, &out_buffer, &ptr);
if (!out_buffer) {
pipe_resource_reference(&ib.buffer, NULL);
return;
}
util_shorten_ubyte_elts_to_userptr(&sctx->b.b, &ib, 0,
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