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Avoids a redundant clear.

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Thomas Harte 2020-08-17 22:09:15 -04:00
parent 59c4c8233f
commit 11dec6fc0f
1 changed files with 3 additions and 0 deletions
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3
OSBindings/Mac/Clock Signal/ScanTarget/CSScanTarget.mm
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@ -448,6 +448,9 @@ using BufferingScanTarget = Outputs::Display::BufferingScanTarget;
- (void)drawInMTKView:(nonnull MTKView *)view {
// Schedule a copy from the current framebuffer to the view; blitting is unavailable as the target is a framebuffer texture.
id<MTLCommandBuffer> commandBuffer = [_commandQueue commandBuffer];
// Every pixel will be drawn, so don't clear or reload.
view.currentRenderPassDescriptor.colorAttachments[0].loadAction = MTLLoadActionDontCare;
id<MTLRenderCommandEncoder> encoder = [commandBuffer renderCommandEncoderWithDescriptor:view.currentRenderPassDescriptor];
[encoder setRenderPipelineState:_copyPipeline];