Bump to OPENRNDR 0.3.44-rc.3, add SSBO demo

build.gradle

@@ -14,7 +14,7 @@ buildscript {
 apply plugin: 'org.jetbrains.dokka'
 
 project.ext {
-    openrndrVersion = "0.3.44-rc.2"
+    openrndrVersion = "0.3.44-rc.3"
     kotlinVersion = "1.3.72"
     spekVersion = "2.0.11"
     libfreenectVersion = "0.5.7-1.5.3"

openrndr-demos/src/demo/kotlin/DemoShaderStorageBuffer01.kt

@@ -0,0 +1,39 @@
+import org.openrndr.application
+import org.openrndr.draw.VertexElementType
+import org.openrndr.draw.shadeStyle
+import org.openrndr.draw.shaderStorageBuffer
+import org.openrndr.draw.shaderStorageFormat
+import java.nio.ByteBuffer
+import java.nio.ByteOrder
+
+fun main() = application {
+    program {
+
+        val ssb = shaderStorageBuffer(shaderStorageFormat {
+            attribute("foo", VertexElementType.FLOAT32, 1000)
+
+        })
+        val ss = shadeStyle {
+            buffer("someBuffer", ssb)
+            fragmentTransform = "float a = b_someBuffer.foo[0]; b_someBuffer.foo[1] += 2.0;"
+        }
+
+        val bb = ByteBuffer.allocateDirect(ssb.format.size)
+        bb.order(ByteOrder.nativeOrder())
+
+        extend {
+            ssb.clear()
+
+            drawer.shadeStyle = ss
+            drawer.circle(100.0, 100.0, 200.0)
+            bb.rewind()
+            ssb.read(bb)
+            bb.rewind()
+            val f0 = bb.float
+            val f1 = bb.float
+            println(f1)
+
+        }
+
+    }
+}