diff --git a/base/vulkanMeshLoader.hpp b/base/vulkanMeshLoader.hpp
index baca16be..7eb490fb 100644
--- a/base/vulkanMeshLoader.hpp
+++ b/base/vulkanMeshLoader.hpp
@@ -571,7 +571,7 @@ public:
 			// Create device local target buffers
 			// Vertex buffer
 			vulkanDevice->createBuffer(
-				VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
+				VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
 				VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
 				meshBuffer->vertices.size,
 				&meshBuffer->vertices.buf,
@@ -579,7 +579,7 @@ public:
 
 			// Index buffer
 			vulkanDevice->createBuffer(
-				VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
+				VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
 				VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
 				meshBuffer->indices.size,
 				&meshBuffer->indices.buf,
diff --git a/data/shaders/multithreading/starsphere.frag b/data/shaders/multithreading/starsphere.frag
index 07e35d3f..e0b3f64f 100644
--- a/data/shaders/multithreading/starsphere.frag
+++ b/data/shaders/multithreading/starsphere.frag
@@ -14,11 +14,11 @@ layout (location = 0) out vec4 outFragColor;
 float hash33(vec3 p3)
 {
 	p3 = fract(p3 * HASHSCALE3);
-    p3 += dot(p3, p3.yxz+19.19);
-    return fract(vec3((p3.x + p3.y)*p3.z + (p3.x+p3.z)*p3.y + (p3.y+p3.z)*p3.x));
+    p3 += dot(p3, p3.yxz+vec3(19.19));
+    return fract((p3.x + p3.y)*p3.z + (p3.x+p3.z)*p3.y + (p3.y+p3.z)*p3.x);
 }
 
-float starField(vec3 pos)
+vec3 starField(vec3 pos)
 {
 	vec3 color = vec3(0.0);
     float threshhold = (1.0 - STARFREQUENCY);
diff --git a/data/shaders/multithreading/starsphere.frag.spv b/data/shaders/multithreading/starsphere.frag.spv
index 9d590a2e..7fbc1cc3 100644
Binary files a/data/shaders/multithreading/starsphere.frag.spv and b/data/shaders/multithreading/starsphere.frag.spv differ