From 999f1cd5c6fc59b7e522dd12077ba1b6fe322242 Mon Sep 17 00:00:00 2001 From: George Kyriazis Date: Thu, 14 Dec 2017 12:01:53 -0600 Subject: [PATCH] swr: Account for index_bias in offsets When calculating buffer offsets for client buffers account for info.index_bias. Fixes the follow piglit tests: arb_draw_elements_base_vertex-drawelements-user_varrays arb_draw_elements_base_vertex-negative-index-user_varrays Reviewed-By: Bruce Cherniak --- src/gallium/drivers/swr/swr_state.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/gallium/drivers/swr/swr_state.cpp b/src/gallium/drivers/swr/swr_state.cpp index 4530d37..d320c90 100644 --- a/src/gallium/drivers/swr/swr_state.cpp +++ b/src/gallium/drivers/swr/swr_state.cpp @@ -1012,8 +1012,8 @@ swr_user_vbuf_range(const struct pipe_draw_info *info, *size = elems * vb->stride; } else if (vb->stride) { elems = info->max_index - info->min_index + 1; - *totelems = info->max_index + 1; - *base = info->min_index * vb->stride; + *totelems = (info->max_index + info->index_bias) + 1; + *base = (info->min_index + info->index_bias) * vb->stride; *size = elems * vb->stride; } else { *totelems = 1; @@ -1304,7 +1304,7 @@ swr_update_derived(struct pipe_context *pipe, uint32_t base; swr_user_vbuf_range(&info, ctx->velems, vb, i, &elems, &base, &size); partial_inbounds = 0; - min_vertex_index = info.min_index; + min_vertex_index = info.min_index + info.index_bias; size = AlignUp(size, 4); /* If size of client memory copy is too large, don't copy. The -- 2.7.4