added metal2

README.md

@@ -26,3 +26,4 @@ Repository to accompany the following blog posts:
 - [Ambient Occlusion in Metal](http://metalkit.org/2017/03/22/ambient-occlusion-in-metal.html)
 - [Working with memory in Metal](http://metalkit.org/2017/04/30/working-with-memory-in-metal.html)
 - [Working with memory in Metal part 2](http://metalkit.org/2017/05/26/working-with-memory-in-metal-part-2.html)
+- [Introducing Metal 2](http://metalkit.org/2017/06/30/introducing-metal-2.html)

metal2/metal2.playground/Contents.swift

@@ -0,0 +1,22 @@
+
+import Metal
+
+let devices = MTLCopyAllDevices()
+
+devices[0].name!
+devices[0].areRasterOrderGroupsSupported
+devices[0].isDepth24Stencil8PixelFormatSupported
+devices[0].isLowPower
+devices[0].maxThreadsPerThreadgroup.depth
+devices[0].maxThreadgroupMemoryLength
+devices[0].supportsFeatureSet(MTLFeatureSet.macOS_GPUFamily1_v3)
+devices[0].supportsFeatureSet(MTLFeatureSet.macOS_ReadWriteTextureTier2)
+
+devices[1].name!
+devices[1].areRasterOrderGroupsSupported
+devices[1].isDepth24Stencil8PixelFormatSupported
+devices[1].isLowPower
+devices[1].maxThreadsPerThreadgroup.depth
+devices[1].maxThreadgroupMemoryLength
+devices[1].supportsFeatureSet(MTLFeatureSet.macOS_GPUFamily1_v3)
+devices[1].supportsFeatureSet(MTLFeatureSet.macOS_ReadWriteTextureTier2)

metal2/metal2.playground/contents.xcplayground

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='macos' executeOnSourceChanges='false'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>

metal2/metal2.playground/playground.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:../metal2.playground">
+   </FileRef>
+</Workspace>

metal2/metal2.playground/timeline.xctimeline

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Timeline
+   version = "3.0">
+   <TimelineItems>
+      <LoggerValueHistoryTimelineItem
+         documentLocation = "file:///Users/marius/Desktop/metal2.playground#CharacterRangeLen=0&amp;CharacterRangeLoc=0&amp;EndingColumnNumber=0&amp;EndingLineNumber=0&amp;StartingColumnNumber=0&amp;StartingLineNumber=0&amp;Timestamp=520575694.983919"
+         selectedRepresentationIndex = "0"
+         shouldTrackSuperviewWidth = "NO">
+      </LoggerValueHistoryTimelineItem>
+   </TimelineItems>
+</Timeline>