From 269db0ff6fc71aeca8179e173ad3e9e042f1da6c Mon Sep 17 00:00:00 2001
From: Sam Gateau <sam@highfidelity.io>
Date: Wed, 29 Jul 2015 16:08:16 -0700
Subject: [PATCH] fixing the stars rendering that was vilently broken durign
 the hunt for GPUCOnfig.h includes

---
 interface/src/Stars.cpp                  | 6 +-----
 libraries/gpu/src/gpu/GLBackendState.cpp | 6 ++++++
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/interface/src/Stars.cpp b/interface/src/Stars.cpp
index 7b612acb68..68e0001996 100644
--- a/interface/src/Stars.cpp
+++ b/interface/src/Stars.cpp
@@ -141,6 +141,7 @@ void Stars::render(RenderArgs* renderArgs, float alpha) {
             auto state = gpu::StatePointer(new gpu::State());
             // enable decal blend
             state->setDepthTest(gpu::State::DepthTest(false));
+            state->setAntialiasedLineEnable(true); // line smoothing also smooth points
             state->setBlendFunction(true, gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA);
             _gridPipeline.reset(gpu::Pipeline::create(program, state));
         }
@@ -205,8 +206,6 @@ void Stars::render(RenderArgs* renderArgs, float alpha) {
     batch._glUniform1f(_timeSlot, secs);
     geometryCache->renderUnitCube(batch);
 
-    //glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
-    
     static const size_t VERTEX_STRIDE = sizeof(StarVertex);
     size_t offset = offsetof(StarVertex, position);
     gpu::BufferView posView(vertexBuffer, offset, vertexBuffer->getSize(), VERTEX_STRIDE, positionElement);
@@ -215,9 +214,6 @@ void Stars::render(RenderArgs* renderArgs, float alpha) {
     
     // Render the stars
     batch.setPipeline(_starsPipeline);
-    //batch._glEnable(GL_PROGRAM_POINT_SIZE_EXT);
-    //batch._glEnable(GL_VERTEX_PROGRAM_POINT_SIZE);
-    //batch._glEnable(GL_POINT_SMOOTH);
 
     batch.setInputFormat(streamFormat);
     batch.setInputBuffer(VERTICES_SLOT, posView);
diff --git a/libraries/gpu/src/gpu/GLBackendState.cpp b/libraries/gpu/src/gpu/GLBackendState.cpp
index 18fc9ddd3c..e9dcd3aad3 100644
--- a/libraries/gpu/src/gpu/GLBackendState.cpp
+++ b/libraries/gpu/src/gpu/GLBackendState.cpp
@@ -482,6 +482,12 @@ void GLBackend::syncPipelineStateCache() {
     State::Data state;
 
     glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
+    
+    // Point size is always on
+    glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
+    glEnable(GL_PROGRAM_POINT_SIZE_EXT);
+    glEnable(GL_VERTEX_PROGRAM_POINT_SIZE);
+
     getCurrentGLState(state);
     State::Signature signature = State::evalSignature(state);