From 3e3bc0aaed8e979f4e14708b6b450fce0d631b28 Mon Sep 17 00:00:00 2001
From: Jan Svabenik <jan@svabi.ch>
Date: Thu, 19 Mar 2026 08:41:19 +0100
Subject: [PATCH] feat: activate validated GPU pipeline stages

---
 internal/demod/gpudemod/build/kernels.obj | Bin 81894 -> 81894 bytes
 internal/demod/gpudemod/gpudemod.go       |  19 +++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/internal/demod/gpudemod/build/kernels.obj b/internal/demod/gpudemod/build/kernels.obj
index 22daf7a2f23fc935da5716db02e05cdd48dac60f..3c8f2fdc1719f91cb02d4e5ebe7f20a52d3cb105 100644
GIT binary patch
delta 20
ccmaF%pXJ$q7PgeO=M1eY8rin8F+Q*d0Bws2IRF3v

delta 20
ccmaF%pXJ$q7PgeO=L}z#H?nPIV|-u_0C8#wrvLx|

diff --git a/internal/demod/gpudemod/gpudemod.go b/internal/demod/gpudemod/gpudemod.go
index 6703784..506ad93 100644
--- a/internal/demod/gpudemod/gpudemod.go
+++ b/internal/demod/gpudemod/gpudemod.go
@@ -289,24 +289,43 @@ func (e *Engine) Demod(iq []complex64, offsetHz float64, bw float64, mode DemodT
 	e.lastDecimUsedGPU = false
 	inputRate := e.sampleRate / decim
 
+	e.lastDemodUsedGPU = false
 	switch mode {
 	case DemodNFM:
 		if gpuAudio, ok := e.tryCUDAFMDiscrim(dec); ok {
+			e.lastDemodUsedGPU = true
 			return gpuAudio, inputRate, nil
 		}
 		return demod.NFM{}.Demod(dec, inputRate), inputRate, nil
 	case DemodWFM:
 		if gpuAudio, ok := e.tryCUDAFMDiscrim(dec); ok {
+			e.lastDemodUsedGPU = true
 			return gpuAudio, inputRate, nil
 		}
 		return demod.WFM{}.Demod(dec, inputRate), inputRate, nil
 	case DemodAM:
+		if gpuAudio, ok := e.tryCUDAAMEnvelope(dec); ok {
+			e.lastDemodUsedGPU = true
+			return gpuAudio, inputRate, nil
+		}
 		return demod.AM{}.Demod(dec, inputRate), inputRate, nil
 	case DemodUSB:
+		if gpuAudio, ok := e.tryCUDASSBProduct(dec, 700.0); ok {
+			e.lastDemodUsedGPU = true
+			return gpuAudio, inputRate, nil
+		}
 		return demod.USB{}.Demod(dec, inputRate), inputRate, nil
 	case DemodLSB:
+		if gpuAudio, ok := e.tryCUDASSBProduct(dec, -700.0); ok {
+			e.lastDemodUsedGPU = true
+			return gpuAudio, inputRate, nil
+		}
 		return demod.LSB{}.Demod(dec, inputRate), inputRate, nil
 	case DemodCW:
+		if gpuAudio, ok := e.tryCUDASSBProduct(dec, 700.0); ok {
+			e.lastDemodUsedGPU = true
+			return gpuAudio, inputRate, nil
+		}
 		return demod.CW{}.Demod(dec, inputRate), inputRate, nil
 	default:
 		return nil, 0, errors.New("unsupported demod type")