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, 11 insertions, 4 deletions

diff --git a/src/plugins/platforms/windows/windows.pro b/src/plugins/platforms/windows/windows.pro
index 0b474ce24e..3f9eddbcbf 100644
--- a/src/plugins/platforms/windows/windows.pro
+++ b/src/plugins/platforms/windows/windows.pro
@@ -11,7 +11,9 @@ QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/platforms
 # Note: OpenGL32 must precede Gdi32 as it overwrites some functions.
 LIBS *= -lole32
 !wince*:LIBS *= -lgdi32 -luser32 -lwinspool -limm32 -lwinmm  -loleaut32
-contains(QT_CONFIG, opengl):LIBS *= -lopengl32
+
+contains(QT_CONFIG, opengl):!contains(QT_CONFIG, opengles2):LIBS *= -lopengl32
+
 win32-g++*: LIBS *= -luuid
 # For the dialog helpers:
 !wince*:LIBS *= -lshlwapi -lshell32
@@ -76,9 +78,14 @@ HEADERS += \
     qwindowsservices.h \
     qplatformfunctions_wince.h
 
-contains(QT_CONFIG, opengl) {
-    SOURCES += qwindowsglcontext.cpp
-    HEADERS += qwindowsglcontext.h
+contains(QT_CONFIG, opengles2) {
+    SOURCES += qwindowseglcontext.cpp
+    HEADERS += qwindowseglcontext.h
+} else {
+    contains(QT_CONFIG, opengl) {
+        SOURCES += qwindowsglcontext.cpp
+        HEADERS += qwindowsglcontext.h
+   }
 }
 
 !contains( DEFINES, QT_NO_CLIPBOARD ) {