Better detection for OpenVG engines that run on top of OpenGL

ShivaVG runs on top of OpenGL.  Include the QMAKE_*_OPENGL flags
on the link line if it is needed by the OpenVG engine.

Reviewed-by: trustme

7 files changed, 46 insertions, 0 deletions

diff --git a/config.tests/unix/openvg/openvg.pro b/config.tests/unix/openvg/openvg.pro
index 8dd227b..4bbde99 100644
--- a/config.tests/unix/openvg/openvg.pro
+++ b/config.tests/unix/openvg/openvg.pro
@@ -4,6 +4,14 @@ SOURCES += openvg.cpp
 !isEmpty(QMAKE_LIBDIR_OPENVG): LIBS += -L$$QMAKE_LIBDIR_OPENVG
 !isEmpty(QMAKE_LIBS_OPENVG): LIBS += $$QMAKE_LIBS_OPENVG
 
+# Some OpenVG engines (e.g. ShivaVG) are implemented on top of OpenGL.
+# Add the extra includes and libraries for that case.
+openvg_on_opengl {
+    !isEmpty(QMAKE_INCDIR_OPENGL): INCLUDEPATH += $$QMAKE_INCDIR_OPENGL
+    !isEmpty(QMAKE_LIBDIR_OPENGL): LIBS += -L$$QMAKE_LIBDIR_OPENGL
+    !isEmpty(QMAKE_LIBS_OPENGL): LIBS += $$QMAKE_LIBS_OPENGL
+}
+
 lower_case_includes {
     DEFINES += QT_LOWER_CASE_VG_INCLUDES
 }
diff --git a/config.tests/unix/shivavg/shivavg.pro b/config.tests/unix/shivavg/shivavg.pro
index 0c1bd07..39d7bcc 100644
--- a/config.tests/unix/shivavg/shivavg.pro
+++ b/config.tests/unix/shivavg/shivavg.pro
@@ -4,4 +4,8 @@ SOURCES += shivavg.cpp
 !isEmpty(QMAKE_LIBDIR_OPENVG): LIBS += -L$$QMAKE_LIBDIR_OPENVG
 !isEmpty(QMAKE_LIBS_OPENVG): LIBS += $$QMAKE_LIBS_OPENVG
 
+!isEmpty(QMAKE_INCDIR_OPENGL): INCLUDEPATH += $$QMAKE_INCDIR_OPENGL
+!isEmpty(QMAKE_LIBDIR_OPENGL): LIBS += -L$$QMAKE_LIBDIR_OPENGL
+!isEmpty(QMAKE_LIBS_OPENGL): LIBS += $$QMAKE_LIBS_OPENGL
+
 CONFIG -= qt
diff --git a/configure b/configure
index 473deef..d82c51a 100755
--- a/configure
+++ b/configure
@@ -591,6 +591,7 @@ CFG_OPENGL=auto
 CFG_OPENVG=no
 CFG_OPENVG_LC_INCLUDES=no
 CFG_OPENVG_SHIVA=no
+CFG_OPENVG_ON_OPENGL=no
 CFG_EGL=no
 CFG_EGL_GLES_INCLUDES=no
 CFG_SSE=auto
@@ -5550,11 +5551,22 @@ if [ "$CFG_OPENVG" != "no" ]; then
         if [ "$CFG_OPENVG" = "auto" ]; then
             CFG_OPENVG=yes
         fi
+    elif "$unixtests/compile.test" "$XQMAKESPEC" "$QMAKE_CONFIG openvg_on_opengl" $OPT_VERBOSE "$relpath" "$outpath" "config.tests/unix/openvg" "OpenVG" $L_FLAGS $I_FLAGS $l_FLAGS $CONFIG_ARG; then
+        if [ "$CFG_OPENVG" = "auto" ]; then
+            CFG_OPENVG=yes
+        fi
+        CFG_OPENVG_ON_OPENGL=yes
     elif "$unixtests/compile.test" "$XQMAKESPEC" "$QMAKE_CONFIG lower_case_includes" $OPT_VERBOSE "$relpath" "$outpath" "config.tests/unix/openvg" "OpenVG (lc includes)" $L_FLAGS $I_FLAGS $l_FLAGS $CONFIG_ARG; then
         if [ "$CFG_OPENVG" = "auto" ]; then
             CFG_OPENVG=yes
         fi
         CFG_OPENVG_LC_INCLUDES=yes
+    elif "$unixtests/compile.test" "$XQMAKESPEC" "$QMAKE_CONFIG openvg_on_opengl lower_case_includes" $OPT_VERBOSE "$relpath" "$outpath" "config.tests/unix/openvg" "OpenVG (lc includes)" $L_FLAGS $I_FLAGS $l_FLAGS $CONFIG_ARG; then
+        if [ "$CFG_OPENVG" = "auto" ]; then
+            CFG_OPENVG=yes
+        fi
+        CFG_OPENVG_LC_INCLUDES=yes
+        CFG_OPENVG_ON_OPENGL=yes
     else
         if [ "$CFG_OPENVG" != "auto" ] && [ "$CFG_CONFIGURE_EXIT_ON_ERROR" = "yes" ]; then
             echo "$CFG_OPENVG was specified for OpenVG but cannot be enabled due to functionality tests!"
@@ -5714,6 +5726,9 @@ else
     if [ "$CFG_OPENVG_LC_INCLUDES" = "yes" ]; then
         QCONFIG_FLAGS="$QCONFIG_FLAGS QT_LOWER_CASE_VG_INCLUDES"
     fi
+    if [ "$CFG_OPENVG_ON_OPENGL" = "yes" ]; then
+        QT_CONFIG="$QT_CONFIG openvg_on_opengl"
+    fi
     if [ "$CFG_OPENVG_SHIVA" = "yes" ]; then
         QT_CONFIG="$QT_CONFIG shivavg"
         QCONFIG_FLAGS="$QCONFIG_FLAGS QT_SHIVAVG"
diff --git a/mkspecs/common/linux.conf b/mkspecs/common/linux.conf
index fa84841..cc5c38b 100644
--- a/mkspecs/common/linux.conf
+++ b/mkspecs/common/linux.conf
@@ -15,6 +15,8 @@ QMAKE_INCDIR_OPENGL   = /usr/X11R6/include
 QMAKE_LIBDIR_OPENGL   = /usr/X11R6/lib
 QMAKE_INCDIR_EGL      = 
 QMAKE_LIBDIR_EGL      =
+QMAKE_INCDIR_OPENVG   = 
+QMAKE_LIBDIR_OPENVG   =
 
 QMAKE_LIBS            =
 QMAKE_LIBS_DYNLOAD    = -ldl
@@ -24,6 +26,7 @@ QMAKE_LIBS_NIS        = -lnsl
 QMAKE_LIBS_EGL        = -lEGL
 QMAKE_LIBS_OPENGL     = -lGLU -lGL
 QMAKE_LIBS_OPENGL_QT  = -lGL
+QMAKE_LIBS_OPENVG     = -lOpenVG
 QMAKE_LIBS_THREAD     = -lpthread
 
 QMAKE_MOC             = $$[QT_INSTALL_BINS]/moc
diff --git a/mkspecs/features/unix/openvg.prf b/mkspecs/features/unix/openvg.prf
index 7bd7fbe..a21d1ca 100644
--- a/mkspecs/features/unix/openvg.prf
+++ b/mkspecs/features/unix/openvg.prf
@@ -1,3 +1,9 @@
 !isEmpty(QMAKE_INCDIR_OPENVG): INCLUDEPATH += $$QMAKE_INCDIR_OPENVG
 !isEmpty(QMAKE_LIBDIR_OPENVG): QMAKE_LIBDIR += -L$$QMAKE_LIBDIR_OPENVG
 !isEmpty(QMAKE_LIBS_OPENVG): LIBS += $QMAKE_LIBS_OPENVG
+
+contains(QT_CONFIG, openvg_on_opengl) {
+    !isEmpty(QMAKE_INCDIR_OPENGL): INCLUDEPATH += $$QMAKE_INCDIR_OPENGL
+    !isEmpty(QMAKE_LIBDIR_OPENGL): QMAKE_LIBDIR += -L$$QMAKE_LIBDIR_OPENGL
+    !isEmpty(QMAKE_LIBS_OPENGL): LIBS += $QMAKE_LIBS_OPENGL
+}
diff --git a/mkspecs/features/win32/openvg.prf b/mkspecs/features/win32/openvg.prf
index d4aa296..0df5b66 100644
--- a/mkspecs/features/win32/openvg.prf
+++ b/mkspecs/features/win32/openvg.prf
@@ -1,3 +1,7 @@
 QMAKE_LIBS += $$QMAKE_LIBS_OPENVG
 QMAKE_LFLAGS += $$QMAKE_LFLAGS_OPENVG
 
+contains(QT_CONFIG, openvg_on_opengl) {
+    QMAKE_LIBS += $$QMAKE_LIBS_OPENGL
+    QMAKE_LFLAGS += $$QMAKE_LFLAGS_OPENGL
+}
diff --git a/src/openvg/openvg.pro b/src/openvg/openvg.pro
index 4d499ef..240bf13 100644
--- a/src/openvg/openvg.pro
+++ b/src/openvg/openvg.pro
@@ -45,4 +45,10 @@ contains(QT_CONFIG, egl) {
     !isEmpty(QMAKE_LIBS_EGL): LIBS += $$QMAKE_LIBS_EGL
 }
 
+contains(QT_CONFIG, openvg_on_opengl) {
+    !isEmpty(QMAKE_INCDIR_OPENGL): INCLUDEPATH += $$QMAKE_INCDIR_OPENGL
+    !isEmpty(QMAKE_LIBDIR_OPENGL): LIBS += -L$$QMAKE_LIBDIR_OPENGL
+    !isEmpty(QMAKE_LIBS_OPENGL): LIBS += $$QMAKE_LIBS_OPENGL
+}
+
 INCLUDEPATH += ../3rdparty/harfbuzz/src