1 files changed, 60 insertions, 0 deletions
diff --git a/ports/openvdb/UseGLEWOnWindowsForViewer.patch b/ports/openvdb/UseGLEWOnWindowsForViewer.patch
new file mode 100644
index 000000000..bfa29c46c
--- /dev/null
+++ b/ports/openvdb/UseGLEWOnWindowsForViewer.patch
@@ -0,0 +1,60 @@
+diff --git a/openvdb/viewer/ClipBox.h b/openvdb/viewer/ClipBox.h
+index b792491..d2f50cc 100644
+--- a/openvdb/viewer/ClipBox.h
++++ b/openvdb/viewer/ClipBox.h
+@@ -36,6 +36,8 @@
+ #if defined(__APPLE__) || defined(MACOSX)
+ #include <OpenGL/gl.h>
+ #include <OpenGL/glu.h>
++#elif defined(WIN32)
++#include <GL/glew.h>
+ #else
+ #include <GL/gl.h>
+ #include <GL/glu.h>
+diff --git a/openvdb/viewer/Font.h b/openvdb/viewer/Font.h
+index 6e79704..566cfbd 100644
+--- a/openvdb/viewer/Font.h
++++ b/openvdb/viewer/Font.h
+@@ -36,6 +36,8 @@
+ #if defined(__APPLE__) || defined(MACOSX)
+ #include <OpenGL/gl.h>
+ #include <OpenGL/glu.h>
++#elif defined(WIN32)
++#include <GL/glew.h>
+ #else
+ #include <GL/gl.h>
+ #include <GL/glu.h>
+diff --git a/openvdb/viewer/RenderModules.h b/openvdb/viewer/RenderModules.h
+index f4745d9..339dfc3 100644
+--- a/openvdb/viewer/RenderModules.h
++++ b/openvdb/viewer/RenderModules.h
+@@ -43,6 +43,8 @@
+ #if defined(__APPLE__) || defined(MACOSX)
+ #include <OpenGL/gl.h>
+ #include <OpenGL/glu.h>
++#elif defined(WIN32)
++#include <GL/glew.h>
+ #else
+ #include <GL/gl.h>
+ #include <GL/glu.h>
+diff --git a/openvdb/viewer/Viewer.cc b/openvdb/viewer/Viewer.cc
+index 307aa2b..8b79358 100644
+--- a/openvdb/viewer/Viewer.cc
++++ b/openvdb/viewer/Viewer.cc
+@@ -540,7 +540,15 @@ ViewerImpl::open(int width, int height)
+             std::shared_ptr<GLFWwindow> curWindow(
+                 glfwGetCurrentContext(), glfwMakeContextCurrent);
+             glfwMakeContextCurrent(mWindow);
+-            BitmapFont13::initialize();
++            BitmapFont13::initialize();            
++#ifdef WIN32
++            if (glewInit() == GLEW_OK) {
++                OPENVDB_LOG_DEBUG_RUNTIME("initialized GLEW from thread "
++                    << boost::this_thread::get_id());
++            } else {
++                OPENVDB_LOG_ERROR("GLEW initialization failed");
++            }
++#endif
+         }
+     }
+     mCamera->setWindow(mWindow);