Marek Olšák <mar...@gmail.com> writes:
> From: Marek Olšák <marek.ol...@amd.com>
>
> v2: need to do MAX{start+count} instead of MAX{count}
> added piglit tests
> v3: use malloc
> ---
> src/gallium/auxiliary/util/u_vbuf.c | 204 ++++++++++++++++++++++++----
> 1 file changed, 180 insertions(+), 24 deletions(-)
>
> diff --git a/src/gallium/auxiliary/util/u_vbuf.c
> b/src/gallium/auxiliary/util/u_vbuf.c
> index 746ff1085ce..a7a8a3be21b 100644
> --- a/src/gallium/auxiliary/util/u_vbuf.c
> +++ b/src/gallium/auxiliary/util/u_vbuf.c> - new_info.count = data[0]; > - new_info.instance_count = data[1]; > - new_info.start = data[2]; > - pipe_buffer_unmap(pipe, transfer); > - new_info.indirect = NULL; > - > - if (!new_info.count) > + if (!draw_count) > return; > + > + unsigned data_size = (draw_count - 1) * indirect->stride + > + (new_info.index_size ? 20 : 16); > + unsigned *data = malloc(data_size); > + if (!data) > + return; /* report an error? */ I think you can just _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels"); and then return. With that, r-b.
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