From 5b65e558cfa4c4762395ecef16d43b52f0358f4a Mon Sep 17 00:00:00 2001
From: marcel303 <marcel303@gmail.com>
Date: Thu, 1 Sep 2022 10:35:41 +0100
Subject: [PATCH] vfxgraph-webcam: Compile fix when SSE is not available.

---
 vfxGraph/vfxNodes/macWebcam.mm | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/vfxGraph/vfxNodes/macWebcam.mm b/vfxGraph/vfxNodes/macWebcam.mm
index 4b68b01f5..db9e40abf 100644
--- a/vfxGraph/vfxNodes/macWebcam.mm
+++ b/vfxGraph/vfxNodes/macWebcam.mm
@@ -35,6 +35,12 @@
 #import <AVFoundation/AVFoundation.h>
 #include <SDL2/SDL.h>
 
+#ifdef __SSE2__
+    #define USE_SSE 1
+#else
+    #define USE_SSE 0
+#endif
+
 @interface MacWebcamImpl : NSObject <AVCaptureVideoDataOutputSampleBufferDelegate>
 	@property (assign) AVCaptureSession * session;
 	@property (assign) AVCaptureDevice * device;
@@ -242,6 +248,8 @@ - (void)shutContext
     }
 }
 
+#if USE_SSE == 1
+
 static __m128i swizzle(const __m128i src)
 {
 	__m128i srcL = _mm_unpacklo_epi8(src, _mm_setzero_si128());
@@ -256,6 +264,8 @@ static __m128i swizzle(const __m128i src)
 	return _mm_packus_epi16(srcL, srcH);
 }
 
+#endif
+
 - (void)captureOutput:(AVCaptureOutput *)captureOutput
      didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
      fromConnection:(AVCaptureConnection *)connection
@@ -284,7 +294,7 @@ - (void)captureOutput:(AVCaptureOutput *)captureOutput
 	
 	uint64_t t1 = g_TimerRT.TimeUS_get();
 	
-#if 1
+#if USE_SSE == 1
 	for (int y = 0; y < sy; ++y)
 	{
 		const uint8_t * __restrict srcPtr = baseAddress + y * bytesPerRow;
@@ -383,12 +393,20 @@ - (void)captureOutput:(AVCaptureOutput *)captureOutput
 	, pitch(0)
 	, data(nullptr)
 {
+#if USE_SSE == 1
 	data = (uint8_t*)_mm_malloc(sx * sy * 4, 16);
+#else
+    data = (uint8_t*)malloc(sx * sy * 4);
+#endif
 }
 
 MacWebcamImage::~MacWebcamImage()
 {
+#if USE_SSE == 1
 	_mm_free(data);
+#else
+    free(data);
+#endif
 	data = nullptr;
 }