Re: [PATCH v7 0/7] MR443: tests: Add some tests for effects groups syntax.

[Zebediah Figura (＠zfigura)]

Zebediah Figura (@zfigura) commented about libs/vkd3d-shader/fx.c:
> +{
> - struct fx_context fx_ctx = { .raw_section_size = 4 };
> - struct vkd3d_bytecode_buffer buffer = { 0 };
> -
> - fx_foreach_technique(ctx->globals, fx_technique_collect_stats, &fx_ctx, &buffer);
> - fx_ctx.raw_section_size = align(fx_ctx.raw_section_size, 4);
> -
> - put_u32(&buffer, ctx->profile->minor_version == 0 ? 0xfeff1001 : 0xfeff1011); /* Version. */
> - put_u32(&buffer, 0); /* Buffer count. */
> - put_u32(&buffer, 0); /* Variable count. */
> - put_u32(&buffer, 0); /* Object count. */
> - put_u32(&buffer, 0); /* Pool buffer count. */
> - put_u32(&buffer, 0); /* Pool variable count. */
> - put_u32(&buffer, 0); /* Pool object count. */
> - put_u32(&buffer, fx_ctx.technique_count);
> - put_u32(&buffer, fx_ctx.raw_section_size);

The point of set_u32() is that you can set these offsets after writing them, instead of needing to do two passes over the same data.