diff --git a/azure-test-template.yml b/azure-test-template.yml
index 8a68317b..496ec10b 100644
--- a/azure-test-template.yml
+++ b/azure-test-template.yml
@@ -43,6 +43,23 @@ jobs:
       height: '1080'
     condition: eq(variables['agent.os'], 'Windows_NT' )
 
+  - script: |
+      curl -LJO https://github.com/pal1000/mesa-dist-win/releases/download/19.1.0/mesa3d-19.1.0-release-msvc.exe
+      7z x mesa3d-19.1.0-release-msvc.exe
+      cd x64
+      xcopy opengl32.dll C:\windows\system32\mesadrv.dll*
+      xcopy opengl32.dll C:\windows\syswow64\mesadrv.dll*
+      REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\OpenGLDrivers\MSOGL" /v DLL /t REG_SZ /d "mesadrv.dll" /f
+      REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\OpenGLDrivers\MSOGL" /v DriverVersion /t REG_DWORD /d 1 /f
+      REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\OpenGLDrivers\MSOGL" /v Flags /t REG_DWORD /d 1 /f
+      REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\OpenGLDrivers\MSOGL" /v Version /t REG_DWORD /d 2 /f
+      REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\OpenGLDrivers\MSOGL" /v DLL /t REG_SZ /d "mesadrv.dll" /f
+      REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\OpenGLDrivers\MSOGL" /v DriverVersion /t REG_DWORD /d 1 /f
+      REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\OpenGLDrivers\MSOGL" /v Flags /t REG_DWORD /d 1 /f 
+      REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\OpenGLDrivers\MSOGL" /v Version /t REG_DWORD /d 2 /f 
+    displayName: "Install Windows-Mesa OpenGL DLL"
+    condition: eq(variables['agent.os'], 'Windows_NT')
+
   - task: UsePythonVersion@0
     inputs:
       versionSpec: $(python.version)
@@ -76,7 +93,7 @@ jobs:
       if [ $(install.method) == "conda" ]
       then
         source activate test-environment-$(python.version)
-        conda install -c conda-forge $(qt.bindings) numpy scipy pyopengl pytest flake8 six coverage --yes
+        conda install -c conda-forge $(qt.bindings) numpy scipy pyopengl pytest flake8 six coverage --yes --quiet
       else
         pip install $(qt.bindings) numpy scipy pyopengl pytest flake8 six coverage
       fi
@@ -114,9 +131,9 @@ jobs:
         source activate test-environment-$(python.version)
       fi
       pip install pytest-xvfb
-    displayName: "Linux Virtual Display Setup"
+    displayName: "Virtual Display Setup"
     condition: eq(variables['agent.os'], 'Linux' )
-  
+
   - bash: |
       if [ $(install.method) == "conda" ]
       then
@@ -133,10 +150,12 @@ jobs:
       if [ $(agent.os) == 'Linux' ]
       then
         export DISPLAY=:99.0
-        Xvfb :99 -screen 0 1920x1080x24 &
+        Xvfb :99 -screen 0 1920x1200x24 -ac +extension GLX +render -noreset &
         sleep 3
       fi
       python -m pyqtgraph.util.get_resolution
+      echo openGL information
+      python -c "from pyqtgraph.opengl.glInfo import GLTest"
     displayName: 'Debug Info'
     continueOnError: false
 
diff --git a/pyqtgraph/opengl/glInfo.py b/pyqtgraph/opengl/glInfo.py
index 84346d81..0c3e758a 100644
--- a/pyqtgraph/opengl/glInfo.py
+++ b/pyqtgraph/opengl/glInfo.py
@@ -6,10 +6,10 @@ class GLTest(QtOpenGL.QGLWidget):
     def __init__(self):
         QtOpenGL.QGLWidget.__init__(self)
         self.makeCurrent()
-        print("GL version:" + glGetString(GL_VERSION))
+        print("GL version:" + glGetString(GL_VERSION).decode("utf-8"))
         print("MAX_TEXTURE_SIZE: %d" % glGetIntegerv(GL_MAX_TEXTURE_SIZE))
         print("MAX_3D_TEXTURE_SIZE: %d" % glGetIntegerv(GL_MAX_3D_TEXTURE_SIZE))
-        print("Extensions: " + glGetString(GL_EXTENSIONS))
+        print("Extensions: " + glGetString(GL_EXTENSIONS).decode("utf-8").replace(" ", "\n"))
 
 GLTest()
 
diff --git a/pytest.ini b/pytest.ini
index 7d27b7a2..fa664793 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -3,6 +3,7 @@ xvfb_width = 1920
 xvfb_height = 1080
 # use this due to some issues with ndarray reshape errors on CI systems
 xvfb_colordepth = 24
+xvfb_args=-ac +extension GLX +render
 addopts = --faulthandler-timeout=15
 
 filterwarnings =