Introduce BorderImageMesh.

BorderImageMesh provides an optimized way to use BorderImage-type
images with ShaderEffect.

[ChangeLog][QtQuick][ShaderEffect] Add new mesh type BorderImageMesh.
BorderImageMesh provides an optimized way to use BorderImage-type
images with ShaderEffect.

Change-Id: I73bdc8318a0facba6edc2634b5f4614996b39c1b
Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

2 files changed, 4 insertions, 38 deletions

diff --git a/tests/auto/quick/scenegraph/scenegraph.pro b/tests/auto/quick/scenegraph/scenegraph.pro
index 320228bd08..40ff7750cc 100644
--- a/tests/auto/quick/scenegraph/scenegraph.pro
+++ b/tests/auto/quick/scenegraph/scenegraph.pro
@@ -3,6 +3,7 @@ TARGET = tst_scenegraph
 SOURCES += tst_scenegraph.cpp
 
 include (../../shared/util.pri)
+include (../shared/util.pri)
 
 macx:CONFIG -= app_bundle
 
diff --git a/tests/auto/quick/scenegraph/tst_scenegraph.cpp b/tests/auto/quick/scenegraph/tst_scenegraph.cpp
index 1cca56a876..28e2010906 100644
--- a/tests/auto/quick/scenegraph/tst_scenegraph.cpp
+++ b/tests/auto/quick/scenegraph/tst_scenegraph.cpp
@@ -39,6 +39,9 @@
 #include <private/qsgcontext_p.h>
 #include <private/qsgrenderloop_p.h>
 
+#include "../shared/visualtestutil.h"
+
+using namespace QQuickVisualTestUtil;
 
 class PerPixelRect : public QQuickItem
 {
@@ -188,44 +191,6 @@ bool containsSomethingOtherThanWhite(const QImage &image)
     return false;
 }
 
-// When running on native Nvidia graphics cards on linux, the
-// distance field glyph pixels have a measurable, but not visible
-// pixel error. Use a custom compare function to avoid
-//
-// This was GT-216 with the ubuntu "nvidia-319" driver package.
-// llvmpipe does not show the same issue.
-//
-bool compareImages(const QImage &ia, const QImage &ib)
-{
-    if (ia.size() != ib.size())
-        qDebug() << "images are of different size" << ia.size() << ib.size();
-    Q_ASSERT(ia.size() == ib.size());
-    Q_ASSERT(ia.format() == ib.format());
-
-    int w = ia.width();
-    int h = ia.height();
-    const int tolerance = 5;
-    for (int y=0; y<h; ++y) {
-        const uint *as= (const uint *) ia.constScanLine(y);
-        const uint *bs= (const uint *) ib.constScanLine(y);
-        for (int x=0; x<w; ++x) {
-            uint a = as[x];
-            uint b = bs[x];
-
-            // No tolerance for error in the alpha.
-            if ((a & 0xff000000) != (b & 0xff000000))
-                return false;
-            if (qAbs(qRed(a) - qRed(b)) > tolerance)
-                return false;
-            if (qAbs(qRed(a) - qRed(b)) > tolerance)
-                return false;
-            if (qAbs(qRed(a) - qRed(b)) > tolerance)
-                return false;
-        }
-    }
-    return true;
-}
-
 void tst_SceneGraph::manyWindows_data()
 {
     QTest::addColumn<QString>("file");