eryn/metaballs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Rearrange render pass encoding so that presentation and commit() are outside the encoder if block

Browse source
This commit is contained in:
Eryn Wells 2018-10-11 11:15:10 -07:00
parent 81e90f3349
commit 80d4e6f043
1 changed files with 8 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

12
MetaballsKit/Renderer.swift
View file

@ -115,8 +115,11 @@ public class Renderer: NSObject, MTKViewDelegate {
if let buffer = commandQueue.makeCommandBuffer() {
buffer.label = "Render"
var didEncode = false
if let renderPass = view.currentRenderPassDescriptor, let renderPipelineState = renderPipelineState, let encoder = buffer.makeRenderCommandEncoder(descriptor: renderPass) {
if let renderPass = view.currentRenderPassDescriptor,
let renderPipelineState = renderPipelineState,
let encoder = buffer.makeRenderCommandEncoder(descriptor: renderPass) {
encoder.label = "Render Pass"
encoder.setViewport(MTLViewport(originX: 0.0, originY: 0.0, width: Double(view.drawableSize.width), height: Double(view.drawableSize.height), znear: -1.0, zfar: 1.0))
encoder.setRenderPipelineState(renderPipelineState)
@ -125,10 +128,11 @@ public class Renderer: NSObject, MTKViewDelegate {
encoder.setFragmentBuffer(field.ballBuffer, offset: 0, index: 1)
encoder.drawPrimitives(type: .triangle, vertexStart: 0, vertexCount: 6)
encoder.endEncoding()
didEncode = true
}
if let drawable = view.currentDrawable {
buffer.present(drawable)
}
if didEncode, let drawable = view.currentDrawable {
buffer.present(drawable)
}
buffer.commit()
}