From a42220a035606fc916be421bec5b51445255198d Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Fri, 3 May 2019 12:27:21 +0100
Subject: [PATCH] Add helpers to set/push/pop markers on GL

---
 util/test/demos/gl/gl_test.cpp | 19 +++++++++++++++++++
 util/test/demos/gl/gl_test.h   |  4 ++++
 2 files changed, 23 insertions(+)

diff --git a/util/test/demos/gl/gl_test.cpp b/util/test/demos/gl/gl_test.cpp
index 308dcacd1..802a74399 100644
--- a/util/test/demos/gl/gl_test.cpp
+++ b/util/test/demos/gl/gl_test.cpp
@@ -212,6 +212,25 @@ GLuint OpenGLGraphicsTest::MakeFBO()
   return fbos[fbos.size() - 1];
 }
 
+void OpenGLGraphicsTest::pushMarker(const std::string &name)
+{
+  if(glPushDebugGroup)
+    glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, name.c_str());
+}
+
+void OpenGLGraphicsTest::setMarker(const std::string &name)
+{
+  if(glDebugMessageInsert)
+    glDebugMessageInsert(GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_MARKER, 0,
+                         GL_DEBUG_SEVERITY_LOW, -1, name.c_str());
+}
+
+void OpenGLGraphicsTest::popMarker()
+{
+  if(glPopDebugGroup)
+    glPopDebugGroup();
+}
+
 bool OpenGLGraphicsTest::Running()
 {
   if(!FrameLimit())
diff --git a/util/test/demos/gl/gl_test.h b/util/test/demos/gl/gl_test.h
index 293331a67..72c75af73 100644
--- a/util/test/demos/gl/gl_test.h
+++ b/util/test/demos/gl/gl_test.h
@@ -52,6 +52,10 @@ struct OpenGLGraphicsTest : public GraphicsTest
   GLuint MakeVAO();
   GLuint MakeFBO();
 
+  void pushMarker(const std::string &name);
+  void setMarker(const std::string &name);
+  void popMarker();
+
   bool Running();
   void Present(GraphicsWindow *window);
   void Present() { Present(mainWindow); }