From a2d3b7c99165cb5c4be6f0dd83a967e1119cf732 Mon Sep 17 00:00:00 2001
From: Jorgen Lind <jorgen.lind@digia.com>
Date: Thu, 28 Nov 2013 11:06:29 +0100
Subject: Move the glxfbconfig configtest to qpa and rename it to glx

We require glx version 1.3 which is where fbconfig is first defined.
Also make use of the configure test and report the glx status.
GLX support should always take precedence when compiling the
xcb backend

Change-Id: Ie46834210bf5cd2ac4006ff08379e0d3434ffa2b
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
---
 configure | 59 +++++++++++++++++++++++++++++++++++------------------------
 1 file changed, 35 insertions(+), 24 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index a20fdaa0bc..3879f6674c 100755
--- a/configure
+++ b/configure
@@ -611,6 +611,7 @@ CFG_OPENVG_LC_INCLUDES=no
 CFG_OPENVG_SHIVA=auto
 CFG_OPENVG_ON_OPENGL=auto
 CFG_EGL=auto
+CFG_GLX=auto
 CFG_SSE=auto
 CFG_FONTCONFIG=auto
 CFG_FREETYPE=auto
@@ -1480,6 +1481,13 @@ while [ "$#" -gt 0 ]; do
             UNKNOWN_OPT=yes
         fi
         ;;
+    glx)
+        if [ "$VAL" = "yes" ] || [ "$VAL" = "no" ]; then
+            CFG_GLX="$VAL"
+        else
+            UNKNOWN_OPT=yes
+        fi
+        ;;
     pch)
         if [ "$VAL" = "yes" ] || [ "$VAL" = "no" ]; then
             CFG_PRECOMPILE="$VAL"
@@ -4902,19 +4910,6 @@ if [ "$XPLATFORM_MINGW" = "yes" ]; then
             fi
             CFG_OPENGL=no
         fi
-        case "$PLATFORM" in
-        hpux*)
-            # HP-UX have buggy glx headers; check if we really need to define the GLXFBConfig struct.
-            if [ "$CFG_OPENGL" = "desktop" ]; then
-                compileTest x11/glxfbconfig "OpenGL"
-                if [ $? != "0" ]; then
-                    QMakeVar add DEFINES QT_DEFINE_GLXFBCONFIG_STRUCT
-                fi
-            fi
-            ;;
-        *)
-            ;;
-        esac
     elif [ "$CFG_OPENGL" = "es2" ]; then
         #OpenGL ES 2.x
         compileTest unix/opengles2 "OpenGL ES 2.x"
@@ -4935,17 +4930,6 @@ if [ "$XPLATFORM_MINGW" = "yes" ]; then
             echo " ${XQMAKESPEC}."
             exit 1
         fi
-        case "$PLATFORM" in
-        hpux*)
-            # HP-UX have buggy glx headers; check if we really need to define the GLXFBConfig struct.
-            compileTest x11/glxfbconfig "OpenGL"
-            if [ $? != "0" ]; then
-                QMakeVar add DEFINES QT_DEFINE_GLXFBCONFIG_STRUCT
-            fi
-            ;;
-        *)
-            ;;
-        esac
     fi
 fi # X11/MINGW OpenGL
 
@@ -5307,6 +5291,24 @@ if [ "$CFG_EGL" != "no" ]; then
     fi
 fi
 
+# GLX Support
+if [ "$CFG_GLX" != "no" ]; then
+    if  [ "$CFG_GLX" = "yes" ] && [ "$CFG_OPENGL" = "no" ]; then
+        echo "GLX support was requested but OpenGL support is disabled."
+        echo "Either disable GLX support or enable OpenGL support."
+        exit 101
+    fi
+    if compileTest qpa/glx "GLX"; then
+        CFG_GLX=yes
+    elif [ "$CFG_GLX" = "yes" ]; then
+        echo " The GLX functionality test failed; GLX is required by the xcb plugin to manage contexts & surfaces."
+        exit 1
+    else
+        CFG_GLX=no
+    fi
+fi
+
+
 if [ "$CFG_EGLFS" != "no" ]; then
     if [ "$XPLATFORM_QNX" = "no" ]; then
         CFG_EGLFS="$CFG_EGL"
@@ -5668,6 +5670,13 @@ else
     QCONFIG_FLAGS="$QCONFIG_FLAGS QT_NO_EGL"
 fi
 
+# enable glx
+if [ "$CFG_GLX" = "yes" ]; then
+    QT_CONFIG="$QT_CONFIG glx"
+else
+    QCONFIG_FLAGS="$QCONFIG_FLAGS QT_NO_GLX"
+fi
+
 # enable eglfs
 if [ "$CFG_EGLFS" = "yes" ]; then
     QT_CONFIG="$QT_CONFIG eglfs"
@@ -6699,6 +6708,8 @@ else
     report_support "  pkg-config ............. no"
 fi
 report_support "  PulseAudio ............." "$CFG_PULSEAUDIO"
+report_support "  EGL ...................." "$CFG_EGL"
+report_support "  GLX ...................." "$CFG_GLX"
 report_support "  QPA backends:"
 report_support "    DirectFB ............." "$CFG_DIRECTFB"
 report_support "    EGLFS ................" "$CFG_EGLFS"
-- 
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