Eccelerators.Video

src/PixelBypass.lvt

namespace Eccelerators.Video

/**
 * Zero-storage, zero-edge-latency pixel connection in one context.
 * Payload inputs are borrowed signals; upstreamReady must drive the source's ready.
 * The composition owner connects all payload fields and returns readiness
 * in the same clock domain.
 */
component PixelBypass : IPixelStream
{
	// Borrowed source payload and coherent markers.
	inputData: logic[16]
	inputValid: bool
	inputStart: bool
	inputLineEnd: bool
	inputEnd: bool
	inputId: uint

	// Acceptance signal returned to the upstream producer.
	public upstreamReady: out bool

	/**
	 * Binds the source's live token signals; caller connects upstreamReady to source.ready.
	 */
	new(data: logic[16], valid: bool, frameStart: bool, lineEnd: bool, frameEnd: bool, frameId: uint)
	{
		this.inputData = data
		this.inputValid = valid
		this.inputStart = frameStart
		this.inputLineEnd = lineEnd
		this.inputEnd = frameEnd
		this.inputId = frameId
	}

	/**
	 * Passes the complete token and readiness without storage or scheduled calls.
	 */
	process Wire[]()
	{
		this.data = this.inputData
		this.valid = this.inputValid
		this.frameStart = this.inputStart
		this.lineEnd = this.inputLineEnd
		this.frameEnd = this.inputEnd
		this.frameId = this.inputId
		this.upstreamReady = this.ready
	}
}