Re: [PATCH vkd3d 2/2] vkd3d-shader: Compute XfbOffset per buffer.

[Henri Verbeet]

On Tue, 20 Jul 2021 at 16:25, Conor McCarthy  wrote:
> @@ -4066,13 +4067,15 @@ static void vkd3d_dxbc_compiler_decorate_xfb_output(struct vkd3d_dxbc_compiler *
>      const struct vkd3d_shader_transform_feedback_info *xfb_info = compiler->xfb_info;
>      const struct vkd3d_shader_transform_feedback_element *xfb_element;
>      struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
> - unsigned int offset, stride, i;
> - unsigned int buffer_offsets[D3D12_SO_BUFFER_SLOT_COUNT];
> - unsigned int stride, i;

vkd3d-shader is not limited to being used with d3d12, and the
vkd3d_shader_transform_feedback_info structure doesn't impose such a
limit on the number of output slots. But it's also unnecessary to
track offsets for all output slots; the only one we care about is
"xfb_element->output_slot".