EGLFS: Integrate building into configure.

With the move to the QPA architecture EGL is now only required by
individual platform plugins and the configure script has been adjusted to
reflect this.

Change-Id: Ieadacef0b970f29752d9e3e36a007e5cbb005b0d
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
Reviewed-by: Girish Ramakrishnan <girish.1.ramakrishnan@nokia.com>

13 files changed, 76 insertions, 91 deletions

diff --git a/config.tests/unix/egl/egl.cpp b/config.tests/qpa/egl/egl.cpp
index d196a457a5..d196a457a5 100644
--- a/config.tests/unix/egl/egl.cpp
+++ b/config.tests/qpa/egl/egl.cpp
diff --git a/config.tests/unix/egl/egl.pro b/config.tests/qpa/egl/egl.pro
index f04d053543..f04d053543 100644
--- a/config.tests/unix/egl/egl.pro
+++ b/config.tests/qpa/egl/egl.pro
diff --git a/configure b/configure
index 0ec2d92133..70979a398f 100755
--- a/configure
+++ b/configure
@@ -679,8 +679,7 @@ CFG_OPENVG=auto
 CFG_OPENVG_LC_INCLUDES=no
 CFG_OPENVG_SHIVA=auto
 CFG_OPENVG_ON_OPENGL=auto
-CFG_EGL=no
-CFG_EGL_GLES_INCLUDES=no
+CFG_EGL=auto
 CFG_SSE=auto
 CFG_FONTCONFIG=auto
 CFG_LIBFREETYPE=auto
@@ -708,6 +707,7 @@ CFG_XINPUT=runtime
 CFG_XKB=auto
 CFG_XCB=auto
 CFG_XCB_LIMITED=yes
+CFG_EGLFS=auto
 CFG_LIBUDEV=auto
 CFG_OBSOLETE_WAYLAND=no
 CFG_EVDEV=auto
@@ -893,7 +893,7 @@ while [ "$#" -gt 0 ]; do
         VAL=no
         ;;
     #Qt style yes options
-    -profile|-shared|-static|-sm|-xinerama|-xshape|-xsync|-xinput|-xinput2|-egl|-reduce-exports|-pch|-separate-debug-info|-stl|-freetype|-xcursor|-xfixes|-xrandr|-xrender|-mitshm|-fontconfig|-xkb|-xcb|-nis|-dbus|-dbus-linked|-glib|-gstreamer|-gtkstyle|-cups|-iconv|-largefile|-h|-help|-v|-verbose|-debug|-release|-fast|-accessibility|-confirm-license|-gnumake|-framework|-debug-and-release|-exceptions|-harfbuzz|-prefix-install|-silent|-optimized-qmake|-dwarf2|-reduce-relocations|-sse|-openssl|-openssl-linked|-phonon-backend|-audio-backend|-declarative-debug|-javascript-jit|-rpath|-force-pkg-config|-icu|-force-asserts|-testcocoon)
+    -profile|-shared|-static|-sm|-xinerama|-xshape|-xsync|-xinput|-xinput2|-egl|-reduce-exports|-pch|-separate-debug-info|-stl|-freetype|-xcursor|-xfixes|-xrandr|-xrender|-mitshm|-fontconfig|-xkb|-xcb|-eglfs|-nis|-dbus|-dbus-linked|-glib|-gstreamer|-gtkstyle|-cups|-iconv|-largefile|-h|-help|-v|-verbose|-debug|-release|-fast|-accessibility|-confirm-license|-gnumake|-framework|-debug-and-release|-exceptions|-harfbuzz|-prefix-install|-silent|-optimized-qmake|-dwarf2|-reduce-relocations|-sse|-openssl|-openssl-linked|-phonon-backend|-audio-backend|-declarative-debug|-javascript-jit|-rpath|-force-pkg-config|-icu|-force-asserts|-testcocoon)
         VAR=`echo $1 | sed "s,^-\(.*\),\1,"`
         VAL=yes
         ;;
@@ -1165,9 +1165,6 @@ while [ "$#" -gt 0 ]; do
             [ "$VAL" = "yes" ] || [ "$VAL" = "no" ] ||
             [ "$VAL" = "es2" ]; then
             CFG_OPENGL="$VAL"
-            if  [ "$VAL" = "es2" ]; then
-                CFG_EGL="yes"
-            fi
         else
             UNKNOWN_OPT=yes
         fi
@@ -1175,9 +1172,6 @@ while [ "$#" -gt 0 ]; do
     openvg)
         if [ "$VAL" = "auto" ] || [ "$VAL" = "yes" ] || [ "$VAL" = "no" ]; then
             CFG_OPENVG="$VAL"
-            if [ "$CFG_EGL" = "no" ] && [ "$VAL" != "no" ]; then
-                CFG_EGL=auto
-            fi
         else
             UNKNOWN_OPT=yes
         fi
@@ -1654,6 +1648,13 @@ while [ "$#" -gt 0 ]; do
     wayland)
         CFG_OBSOLETE_WAYLAND=yes
         ;;
+    eglfs)
+        if [ "$VAL" = "yes" ] || [ "$VAL" = "no" ]; then
+            CFG_EGLFS="$VAL"
+        else
+            UNKNOWN_OPT=yes
+        fi
+        ;;
     libudev)
         if [ "$VAL" = "yes" ] || [ "$VAL" = "no" ]; then
             CFG_LIBUDEV="$VAL"
@@ -2869,6 +2870,14 @@ if [ "$OPT_HELP" = "yes" ]; then
         XCBN=" "
     fi
 
+    if [ "$CFG_EGLFS" = "no" ]; then
+        EGLFSY=" "
+        EGLFSN="*"
+    else
+        EGLFSY="*"
+        EGLFSN=" "
+    fi
+
     if [ "$CFG_XINPUT2" = "no" ]; then
         X2Y=" "
         X2N="*"
@@ -3191,6 +3200,9 @@ if [ "$PLATFORM_X11" = "yes" -o "$PLATFORM_QPA" = "yes" ]; then
  $XCBN  -no-xcb ............ Do not compile Xcb (X protocol C-language Binding) support.
  $XCBY  -xcb ............... Compile Xcb support.
 
+ $EGLFSN  -no-eglfs .......... Do not compile EGLFS (EGL Full Screen/Single Surface) support.
+ $EGLFSY  -eglfs ............. Compile EGLFS support.
+
 EOF
 
 fi # X11
@@ -3309,12 +3321,6 @@ Qt/X11 only:
     -system-nas-sound .. Use NAS libaudio from the operating system.
                          See http://radscan.com/nas.html
 
-    -egl ............... Use EGL instead of GLX to manage contexts.
-                         When building for desktop OpenGL, this option will
-                         make Qt use EGL to manage contexts rather than the
-                         GLX, which is the default. Note: For OpenGL ES, EGL
-                         is always used.
-
     -no-opengl ......... Do not support OpenGL.
  +  -opengl <api> ...... Enable OpenGL support.
                          With no parameter, this will auto-detect the "best"
@@ -4103,6 +4109,14 @@ if [ "$CFG_ACCESSIBILITY" = "auto" ]; then
     CFG_ACCESSIBILITY=yes
 fi
 
+if [ "$CFG_EGLFS" = "yes" ]; then
+    if [ "$CFG_EGL" = "no" ]; then
+        echo "The EGLFS plugin requires EGL support and cannot be built"
+        exit 101
+    fi
+    CFG_EGL=yes
+fi
+
 # auto-detect SQL-modules support
 for _SQLDR in $CFG_SQL_AVAILABLE; do
         case $_SQLDR in
@@ -4570,9 +4584,6 @@ if [ "$PLATFORM_X11" = "yes" -o "$XPLATFORM_MINGW" = "yes" ]; then
             CFG_OPENGL=desktop
         elif "$unixtests/compile.test" "$XQMAKESPEC" "$QMAKE_CONFIG" $OPT_VERBOSE "$relpath" "$outpath" config.tests/unix/opengles2 "OpenGL ES 2.x" $L_FLAGS $I_FLAGS $l_FLAGS; then
             CFG_OPENGL=es2
-            if [ "$CFG_EGL" = "no" ]; then
-                CFG_EGL=auto
-            fi
         else
             if [ "$CFG_OPENGL" = "yes" ]; then
                 echo "All the OpenGL functionality tests failed!"
@@ -4914,7 +4925,6 @@ if [ "$BUILD_ON_MAC" = "yes" ]; then
     fi
 fi
 
-
 if [ "$PLATFORM_QPA" = "yes" ]; then
     # auto-detect OpenGL support (es2 = OpenGL ES 2.x)
     if [ "$CFG_OPENGL" = "auto" ] || [ "$CFG_OPENGL" = "yes" ]; then
@@ -4984,6 +4994,7 @@ if [ "$PLATFORM_QPA" = "yes" ]; then
 
     # Save these for a check later
     ORIG_CFG_XCB="$CFG_XCB"
+    ORIG_CFG_EGLFS="$CFG_EGLFS"
 
     if [ "$CFG_LIBUDEV" != "no" ]; then
        if [ -n "$PKG_CONFIG" ] && $PKG_CONFIG --exists libudev 2>/dev/null; then
@@ -5101,6 +5112,31 @@ if [ "$PLATFORM_QPA" = "yes" ]; then
         QMAKE_DEFINES_XCB=QT_NO_XCB_XKB
     fi
 
+    # EGL Support
+    if [ "$CFG_EGL" != "no" ]; then
+        if [ -n "$PKG_CONFIG" ] && $PKG_CONFIG --exists egl 2>/dev/null; then
+            QMAKE_INCDIR_EGL=`$PKG_CONFIG --cflags-only-I egl 2>/dev/null | sed -e 's,^-I,,g' -e 's, -I, ,g'`
+            QMAKE_LIBS_EGL=`$PKG_CONFIG --libs egl 2>/dev/null`
+            QMAKE_CFLAGS_EGL=`$PKG_CONFIG --cflags egl 2>/dev/null`
+            QMakeVar set QMAKE_INCDIR_EGL "$QMAKE_INCDIR_EGL"
+            QMakeVar set QMAKE_LIBS_EGL "$QMAKE_LIBS_EGL"
+        fi       # detect EGL support
+        if "$unixtests/compile.test" "$XQMAKESPEC" "$QMAKE_CONFIG" $OPT_VERBOSE "$relpath" "$outpath" "config.tests/qpa/egl" "EGL" $L_FLAGS $I_FLAGS $l_FLAGS $QMAKE_CFLAGS_EGL $QMAKE_LIBS_EGL; then
+            CFG_EGL=yes
+        elif [ "$CFG_EGL" = "yes" ]; then
+            echo " The EGL functionality test failed; EGL is required by some QPA plugins to manage contexts & surfaces."
+            echo " You might need to modify the include and library search paths by editing"
+            echo " QMAKE_INCDIR_EGL, QMAKE_LIBDIR_EGL and QMAKE_LIBS_EGL in ${XQMAKESPEC}."
+            exit 1
+        else
+            CFG_EGL=no
+        fi
+    fi
+
+    if [ "$CFG_EGLFS" != "no" ]; then
+        CFG_EGLFS="$CFG_EGL"
+    fi
+
     if [ -n "$QMAKE_CFLAGS_XCB" ] || [ -n "$QMAKE_LIBS_XCB" ]; then
         QMakeVar set QMAKE_CFLAGS_XCB "$QMAKE_CFLAGS_XCB"
         QMakeVar set QMAKE_LIBS_XCB "$QMAKE_LIBS_XCB"
@@ -5116,13 +5152,13 @@ if [ "$PLATFORM_QPA" = "yes" ]; then
     fi
 
     if [ "$PLATFORM_QPA" = "yes" ] && [ "$BUILD_ON_MAC" = "no" ] && [ "$XPLATFORM_MINGW" = "no" ]; then
-        if [ "$CFG_XCB" = "no" ]; then
+        if [ "$CFG_XCB" = "no" ] && [ "$CFG_EGLFS" = "no" ]; then
             if [ "$QPA_PLATFORM_GUARD" = "yes" ] &&
-                 ( [ "$ORIG_CFG_XCB" = "auto" ] ); then
+                 ( [ "$ORIG_CFG_XCB" = "auto" ] || [ "$ORIG_CFG_EGLFS" = "auto" ] ); then
                 echo "No QPA platform plugin enabled!"
                 echo " If you really want to build without a QPA platform plugin you must pass"
-                echo " -no-xcb. Doing this will produce a Qt that"
-                echo " cannot run GUI applications."
+                echo " -no-xcb and -no-eglfs to configure. Doing this will"
+                echo " produce a Qt that cannot run GUI applications."
                 echo " The dependencies needed for xcb to build are listed in"
                 echo " src/plugins/platforms/xcb/README"
                 exit 1
@@ -5132,35 +5168,6 @@ if [ "$PLATFORM_QPA" = "yes" ]; then
 
 fi
 
-EGL_VARIANT=none
-# EGL Support
-if [ "$PLATFORM_X11" = "yes" ]; then
-    if [ "$CFG_EGL" != "no" ]; then
-        # detect EGL support
-        if "$unixtests/compile.test" "$XQMAKESPEC" "$QMAKE_CONFIG" $OPT_VERBOSE "$relpath" "$outpath" "config.tests/unix/egl" "EGL (EGL/egl.h)" $L_FLAGS $I_FLAGS $l_FLAGS; then
-            # EGL specified by QMAKE_*_EGL, included with <EGL/egl.h>
-            EGL_VARIANT=regular
-            CFG_EGL=yes
-        fi
-
-        if [ "$EGL_VARIANT" = "none" ]; then
-            if [ "$CFG_EGL" = "yes" ]; then
-                echo "The EGL functionality test failed!"
-                echo " EGL is required for OpenGL ES to manage contexts & surfaces."
-                echo " You might need to modify the include and library search paths by editing"
-                echo " QMAKE_INCDIR_EGL, QMAKE_LIBDIR_EGL and QMAKE_LIBS_EGL in"
-                echo " ${XQMAKESPEC}."
-                exit 1
-            fi
-            CFG_EGL=no
-            # If QtOpenGL would be built against OpenGL ES, disable it as we can't to that if EGL is missing
-            if [ "$CFG_OPENGL" = "es2" ]; then
-                CFG_OPENGL=no
-            fi
-        fi
-    fi
-fi
-
 [ "$XPLATFORM_MINGW" = "yes" ] && [ "$CFG_PHONON" != "no" ] && CFG_PHONON="yes"
 
 # freetype support
@@ -5448,19 +5455,18 @@ else
     QT_CONFIG="$QT_CONFIG accessibility"
 fi
 
-# egl stuff does not belong in lighthouse, but rather in plugins
-if [ "$PLATFORM_QPA" = "yes" ]; then
-    CFG_EGL="no"
-fi
-
 # enable egl
-if [ "$CFG_EGL" = "no" ]; then
+if [ "$CFG_EGL" = "yes" ]; then
+    QT_CONFIG="$QT_CONFIG egl"
+else
     QCONFIG_FLAGS="$QCONFIG_FLAGS QT_NO_EGL"
+fi
+
+# enable eglfs
+if [ "$CFG_EGLFS" = "yes" ]; then
+    QT_CONFIG="$QT_CONFIG eglfs"
 else
-    QT_CONFIG="$QT_CONFIG egl"
-    if [ "$CFG_EGL_GLES_INCLUDES" = "yes" ]; then
-        QCONFIG_FLAGS="$QCONFIG_FLAGS QT_GLES_EGL"
-    fi
+    QCONFIG_FLAGS="$QCONFIG_FLAGS QT_NO_EGLFS"
 fi
 
 # enable openvg
@@ -6552,13 +6558,7 @@ elif [ "$CFG_OPENGL" = "es2" ]; then
 else
     echo "OpenGL support ......... no"
 fi
-if [ "$CFG_EGL" != "no" ]; then
-    if [ "$CFG_EGL_GLES_INCLUDES" = "yes" ]; then
-        echo "EGL support ............ yes <GLES/egl.h>"
-    else
-        echo "EGL support ............ yes <EGL/egl.h>"
-    fi
-fi
+
 if [ "$CFG_OPENVG" ]; then
     if [ "$CFG_OPENVG_SHIVA" = "yes" ]; then
         echo "OpenVG support ......... ShivaVG"
@@ -6614,6 +6614,7 @@ echo "Xrender support ........ $CFG_XRENDER"
 if [ "$XPLATFORM_MAEMO" = "yes" ] && [ "$CFG_XCB" = "yes" ]; then
     echo "XInput2 support ........ $CFG_XINPUT2"
 fi
+echo "EGLFS support .......... $CFG_EGLFS"
 echo
 
 # complain about not being able to use dynamic plugins if we are using a static build
diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index df3371b236..fe1c93ea29 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -512,6 +512,8 @@ static void init_platform(const QString &pluginArgument, const QString &platform
         const QString defaultPlatform = QLatin1String("xcb");
 #elif !defined (QT_NO_WAYLAND)
         const QString defaultPlatform = QLatin1String("wayland");
+#elif !defined (QT_NO_EGLFS)
+        const QString defaultPlatform = QLatin1String("eglfs");
 #else
         const QString defaultPlatform = QLatin1String("minimal");
 #endif
diff --git a/src/opengl/opengl.pro b/src/opengl/opengl.pro
index 89f8d0a3c2..b2b3790b29 100644
--- a/src/opengl/opengl.pro
+++ b/src/opengl/opengl.pro
@@ -72,6 +72,4 @@ SOURCES +=  qglshaderprogram.cpp \
 SOURCES +=  qgl_qpa.cpp \
             qglpixelbuffer_stub.cpp
 
-DEFINES += QT_NO_EGL
-
 INCLUDEPATH += ../3rdparty/harfbuzz/src
diff --git a/src/plugins/platforms/platforms.pro b/src/plugins/platforms/platforms.pro
index c97c1def0c..692332291c 100644
--- a/src/plugins/platforms/platforms.pro
+++ b/src/plugins/platforms/platforms.pro
@@ -15,3 +15,7 @@ win32: SUBDIRS += windows
 qnx-*-qcc {
     SUBDIRS += qnx
 }
+
+contains(QT_CONFIG, eglfs) {
+    SUBDIRS += eglfs
+}
diff --git a/src/tools/qdoc/doc/config/qt-defines.qdocconf b/src/tools/qdoc/doc/config/qt-defines.qdocconf
index 50a355f04c..e11b32dc4c 100644
--- a/src/tools/qdoc/doc/config/qt-defines.qdocconf
+++ b/src/tools/qdoc/doc/config/qt-defines.qdocconf
@@ -3,7 +3,6 @@ defines                 = Q_QDOC \
                           QT_.*_LIB \
                           QT_COMPAT \
                           QT_KEYPAD_NAVIGATION \
-                          QT_NO_EGL \
                           QT3_SUPPORT \
                           Q_WS_.* \
                           Q_OS_.* \
diff --git a/tests/auto/opengl/qgl/qgl.pro b/tests/auto/opengl/qgl/qgl.pro
index 963b2d7e55..db82d9a256 100644
--- a/tests/auto/opengl/qgl/qgl.pro
+++ b/tests/auto/opengl/qgl/qgl.pro
@@ -7,9 +7,6 @@ TARGET = tst_qgl
 requires(contains(QT_CONFIG,opengl))
 QT += widgets widgets-private opengl-private gui-private core-private testlib
 
-contains(QT_CONFIG,egl):DEFINES += QGL_EGL
-win32:!wince*: DEFINES += QT_NO_EGL
-
 SOURCES   += tst_qgl.cpp
 RESOURCES  = qgl.qrc
 
diff --git a/tests/auto/opengl/qgl/tst_qgl.cpp b/tests/auto/opengl/qgl/tst_qgl.cpp
index f741fb9248..051e26f4af 100644
--- a/tests/auto/opengl/qgl/tst_qgl.cpp
+++ b/tests/auto/opengl/qgl/tst_qgl.cpp
@@ -1396,10 +1396,6 @@ void tst_QGL::glWidgetRenderPixmap()
     QImage reference(fb.size(), QImage::Format_RGB32);
     reference.fill(0xffff0000);
 
-#if defined(QGL_EGL) && !defined(Q_WS_X11)
-    QSKIP("renderPixmap() not yet supported under EGL on your platform");
-#endif
-
     QFUZZY_COMPARE_IMAGES(fb, reference);
 }
 
diff --git a/tests/auto/opengl/qglbuffer/qglbuffer.pro b/tests/auto/opengl/qglbuffer/qglbuffer.pro
index 537f3c122a..f766cb8944 100644
--- a/tests/auto/opengl/qglbuffer/qglbuffer.pro
+++ b/tests/auto/opengl/qglbuffer/qglbuffer.pro
@@ -7,6 +7,4 @@ TARGET = tst_qglbuffer
 requires(contains(QT_CONFIG,opengl))
 QT += opengl widgets testlib
 
-win32:!wince*: DEFINES += QT_NO_EGL
-
 SOURCES += tst_qglbuffer.cpp
diff --git a/tests/auto/opengl/qglfunctions/qglfunctions.pro b/tests/auto/opengl/qglfunctions/qglfunctions.pro
index 4b7c8758a9..0113068f1d 100644
--- a/tests/auto/opengl/qglfunctions/qglfunctions.pro
+++ b/tests/auto/opengl/qglfunctions/qglfunctions.pro
@@ -3,6 +3,4 @@ TARGET = tst_qglfunctions
 requires(contains(QT_CONFIG,opengl))
 QT += opengl widgets testlib
 
-win32:!wince*: DEFINES += QT_NO_EGL
-
 SOURCES += tst_qglfunctions.cpp
diff --git a/tests/auto/opengl/qglthreads/qglthreads.pro b/tests/auto/opengl/qglthreads/qglthreads.pro
index 9d3e86a03e..1534472ef6 100644
--- a/tests/auto/opengl/qglthreads/qglthreads.pro
+++ b/tests/auto/opengl/qglthreads/qglthreads.pro
@@ -3,8 +3,6 @@ TARGET = tst_qglthreads
 requires(contains(QT_CONFIG,opengl))
 QT += opengl widgets testlib
 
-win32:!wince*: DEFINES += QT_NO_EGL
-
 HEADERS += tst_qglthreads.h
 SOURCES += tst_qglthreads.cpp
 
diff --git a/tools/configure/configureapp.cpp b/tools/configure/configureapp.cpp
index 5a6a04aee0..0c9907f6d5 100644
--- a/tools/configure/configureapp.cpp
+++ b/tools/configure/configureapp.cpp
@@ -1544,8 +1544,6 @@ bool Configure::displayHelp()
 
         desc("OPENVG", "no","-no-openvg",               "Disables OpenVG functionality\n");
         desc("OPENVG", "yes","-openvg",                 "Enables OpenVG functionality");
-        desc(                   "",                     "Requires EGL support, typically supplied by an OpenGL", false, ' ');
-        desc(                   "",                     "or other graphics implementation\n", false, ' ');
         desc(                   "-force-asserts",       "Activate asserts in release mode.\n");
 #endif
         desc(                   "-platform <spec>",     "The operating system and compiler you are building on.\n(default %QMAKESPEC%)\n");
@@ -2850,10 +2848,6 @@ void Configure::generateConfigfiles()
         if (dictionary["FREETYPE"] == "no")          qconfigList += "QT_NO_FREETYPE";
         if (dictionary["NATIVE_GESTURES"] == "no")   qconfigList += "QT_NO_NATIVE_GESTURES";
 
-        if (dictionary["OPENGL_ES_CM"] == "no" &&
-           dictionary["OPENGL_ES_2"]  == "no" &&
-           dictionary["OPENVG"]       == "no")      qconfigList += "QT_NO_EGL";
-
         if (dictionary["OPENGL_ES_CM"] == "yes" ||
            dictionary["OPENGL_ES_2"]  == "yes")     qconfigList += "QT_OPENGL_ES";