diff options
| author | Eric Anholt <[email protected]> | 2015-07-22 12:14:40 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2015-07-27 22:48:20 -0700 |
| commit | 7850774f2118ae87c7e6a4f6c17751e405edfb34 (patch) | |
| tree | 7ef8157708e879373d1a7eade39c22a080edd154 /src/gallium/drivers/vc4/vc4_draw.c | |
| parent | 98a4b111fbb9e3ae45e907ddd4d2407e5ab669ec (diff) | |
vc4: Add support for ARB_draw_elements_base_vertex.
Gallium exposes it unconditionally, so do our best to support it. It
fails on the negative index cases, but those seem unlikely to be used in
the wild.
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_draw.c')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_draw.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gallium/drivers/vc4/vc4_draw.c b/src/gallium/drivers/vc4/vc4_draw.c index fc3c2321abb..1c7f3b16be3 100644 --- a/src/gallium/drivers/vc4/vc4_draw.c +++ b/src/gallium/drivers/vc4/vc4_draw.c @@ -201,7 +201,9 @@ vc4_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info) struct pipe_vertex_buffer *vb = &vertexbuf->vb[elem->vertex_buffer_index]; struct vc4_resource *rsc = vc4_resource(vb->buffer); - uint32_t offset = vb->buffer_offset + elem->src_offset; + uint32_t offset = (vb->buffer_offset + + elem->src_offset + + vb->stride * info->index_bias); uint32_t vb_size = rsc->bo->size - offset; uint32_t elem_size = util_format_get_blocksize(elem->src_format); |