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authorMarek Olšák <marek.olsak@amd.com>2017-02-15 17:24:38 +0100
committerEmil Velikov <emil.l.velikov@gmail.com>2017-03-01 13:34:40 +0000
commit9c80a8133f8e75d95bad54bae92402fa7a7252e0 (patch)
treebb6eb40074ec73af3b5d045a9e5a0b2334e81b2b
parente1ba82d559a23e0653dda4186c3242c359a03eb2 (diff)
radeonsi: fix UNSIGNED_BYTE index buffer fallback with non-zero start (v2)
start can only be non-zero with MultiDrawElements, which is unlikely to occur with UNSIGNED_BYTE indices. v2: Also fix the util_shorten_ubyte_elts_to_userptr call. Tested with the new piglit. Cc: mesa-stable@lists.freedesktop.org Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com> (cherry picked from commit a264fee6245856340fab9024e1a428626e966335) [Emil Velikov: resolve trivial conflicts] Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Conflicts: src/gallium/drivers/radeonsi/si_state_draw.c
-rw-r--r--src/gallium/drivers/radeonsi/si_state_draw.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index d296874a23b..4bd087c8965 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -1060,7 +1060,7 @@ void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
void *ptr;
si_get_draw_start_count(sctx, info, &start, &count);
- start_offset = start * ib.index_size;
+ start_offset = start * 2;
u_upload_alloc(sctx->b.uploader, start_offset, count * 2, 256,
&out_offset, &out_buffer, &ptr);
@@ -1070,7 +1070,7 @@ void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
}
util_shorten_ubyte_elts_to_userptr(&sctx->b.b, &ib, 0,
- ib.offset + start_offset,
+ ib.offset + start,
count, ptr);
pipe_resource_reference(&ib.buffer, NULL);