From 394f6b58d80faec1797d59e78a4e15e4572fa21e Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Wed, 9 Dec 2020 20:18:53 -0500
Subject: [PATCH] Ensure `_finalisedLineTexture` really is cleared.

---
 OSBindings/Mac/Clock Signal/ScanTarget/CSScanTarget.mm  | 1 +
 OSBindings/Mac/Clock Signal/ScanTarget/ScanTarget.metal | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/OSBindings/Mac/Clock Signal/ScanTarget/CSScanTarget.mm b/OSBindings/Mac/Clock Signal/ScanTarget/CSScanTarget.mm
index 90a87e55a..8a0a865ff 100644
--- a/OSBindings/Mac/Clock Signal/ScanTarget/CSScanTarget.mm	
+++ b/OSBindings/Mac/Clock Signal/ScanTarget/CSScanTarget.mm	
@@ -499,6 +499,7 @@ using BufferingScanTarget = Outputs::Display::BufferingScanTarget;
 		id<MTLCommandBuffer> commandBuffer = [_commandQueue commandBuffer];
 		id<MTLComputeCommandEncoder> computeEncoder = [commandBuffer computeCommandEncoder];
 
+		[computeEncoder setTexture:_finalisedLineTexture atIndex:0];
 		[self dispatchComputeCommandEncoder:computeEncoder pipelineState:clearPipeline width:lineTextureDescriptor.width height:lineTextureDescriptor.height offsetBuffer:[self bufferForOffset:0]];
 
 		[computeEncoder endEncoding];
diff --git a/OSBindings/Mac/Clock Signal/ScanTarget/ScanTarget.metal b/OSBindings/Mac/Clock Signal/ScanTarget/ScanTarget.metal
index 40ed7da0b..7fa69016e 100644
--- a/OSBindings/Mac/Clock Signal/ScanTarget/ScanTarget.metal	
+++ b/OSBindings/Mac/Clock Signal/ScanTarget/ScanTarget.metal	
@@ -582,7 +582,7 @@ kernel void separateLumaKernel5(	texture2d<half, access::read> inTexture [[textu
 	return setSeparatedLumaChroma(luminance, centreSample, outTexture, gid, offset);
 }
 
-kernel void clearKernel(	texture2d<half, access::write> outTexture [[texture(1)]],
+kernel void clearKernel(	texture2d<half, access::write> outTexture [[texture(0)]],
 							uint2 gid [[thread_position_in_grid]]) {
 	outTexture.write(half4(0.0f, 0.0f, 0.0f, 1.0f), gid);
 }