Solid and gradients in high color accuracy

This patch updates the internal color precisions of solids and
gradients to 16bit per color. This makes it possible to render
at higher precision on non-premultiplied ARGB32, the RGB30
formats and any other hi-color formats if more are added.

[ChangeLog][QtGui][Painting] Internal precision of solids and gradients
is now up to 16bit per color.

Change-Id: Ieae5468bd6de1f56adfa4cb9fa966faf2ed824fd
Reviewed-by: Gunnar Sletta <[email protected]>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/gui/opengl/qopenglgradientcache_p.h b/src/gui/opengl/qopenglgradientcache_p.h
index bcdf3f4fcfd..d368f4bcfc2 100644
--- a/src/gui/opengl/qopenglgradientcache_p.h
+++ b/src/gui/opengl/qopenglgradientcache_p.h
@@ -50,6 +50,7 @@
 #include <private/qopenglcontext_p.h>
 #include <QtCore/qmutex.h>
 #include <QGradient>
+#include <qrgba64.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -83,7 +84,7 @@ public:
 private:
     inline int maxCacheSize() const { return 60; }
     inline void generateGradientColorTable(const QGradient& gradient,
-                                           uint *colorTable,
+                                           QRgba64 *colorTable,
                                            int size, qreal opacity) const;
     GLuint addCacheElement(quint64 hash_val, const QGradient &gradient, qreal opacity);
     void cleanCache();