Windows: Add ANGLE support.

- Add QWindowsEGLContext usable for ANGLE and Windows CE.
- Add QWindowsEGLStaticContext containing the display
  for resource cleanup.
- Add EGLSurface to QWindowsWindow.
- Add a -angle option specifying the path to the external
  ANGLE installation to configure, add libraries to
  the mkspecs.

Initial-patch-by: Jabot Corentin <corentinjabot@gmail.com>

Task-number: QTBUG-24207

Change-Id: I5f80b1efb6996da7c5d70aa3720f7801c9e4c6af
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
Reviewed-by: Girish Ramakrishnan <girish.1.ramakrishnan@nokia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp
index e73e63f6a3..1d87f57c44 100644
--- a/src/opengl/qglshaderprogram.cpp
+++ b/src/opengl/qglshaderprogram.cpp
@@ -237,7 +237,8 @@ bool QGLShaderPrivate::create()
         else
             shader = glCreateShader(GL_FRAGMENT_SHADER);
         if (!shader) {
-            qWarning() << "QGLShader: could not create shader";
+            qWarning("%s: Could not create shader of type %d.",
+                     Q_FUNC_INFO, int(shaderType));
             return false;
         }
         shaderGuard = createSharedResourceGuard(context, shader, freeShaderFunc);