From 0bc4288689882e731fc1811c4de11fbc6d0c28ff Mon Sep 17 00:00:00 2001 From: Allan Sandfeld Jensen Date: Mon, 11 Jan 2016 11:32:44 +0100 Subject: Optimize OpenGL binding of ARGB32PM backing store Detect premultiplied backing store and upload it without conversion and adjust blend to not multiply alpha again. Task-number: QTBUG-50381 Change-Id: I51939c4f82fbb0c48eaca6e2475bf4cf3722bc2d Reviewed-by: Laszlo Agocs Reviewed-by: Gunnar Sletta --- src/gui/painting/qplatformbackingstore.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/gui/painting/qplatformbackingstore.h') diff --git a/src/gui/painting/qplatformbackingstore.h b/src/gui/painting/qplatformbackingstore.h index eac97e9cf6..9c8da0d1db 100644 --- a/src/gui/painting/qplatformbackingstore.h +++ b/src/gui/painting/qplatformbackingstore.h @@ -118,7 +118,8 @@ public: virtual QImage toImage() const; enum TextureFlag { TextureSwizzle = 0x01, - TextureFlip = 0x02 + TextureFlip = 0x02, + TexturePremultiplied = 0x04, }; Q_DECLARE_FLAGS(TextureFlags, TextureFlag) virtual GLuint toTexture(const QRegion &dirtyRegion, QSize *textureSize, TextureFlags *flags) const; -- cgit v1.2.3