Cleanup gradient blending

Moving it to a separate routine like blendTexture, so DrawHelper only
has solid color routines, and generalizing the vertical gradient
optimization.

Change-Id: I54bd59eba7e95247b9a365a3738d02c4f8cc2631
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>

1 files changed, 2 insertions, 7 deletions

diff --git a/src/gui/painting/qdrawhelper_p.h b/src/gui/painting/qdrawhelper_p.h
index a2cf36f20e..e9a1e48e5f 100644
--- a/src/gui/painting/qdrawhelper_p.h
+++ b/src/gui/painting/qdrawhelper_p.h
@@ -146,7 +146,6 @@ typedef void (*MemRotateFunc)(const uchar *srcPixels, int w, int h, int sbpl, uc
 
 struct DrawHelper {
     ProcessSpans blendColor;
-    ProcessSpans blendGradient;
     BitmapBlitFunc bitmapBlit;
     AlphamapBlitFunc alphamapBlit;
     AlphaRGBBlitFunc alphaRGBBlit;
@@ -159,6 +158,7 @@ extern SrcOverTransformFunc qTransformFunctions[QImage::NImageFormats][QImage::N
 
 extern DrawHelper qDrawHelper[QImage::NImageFormats];
 
+void qBlendGradient(int count, const QSpan *spans, void *userData);
 void qBlendTexture(int count, const QSpan *spans, void *userData);
 extern void qt_memfill64(quint64 *dest, quint64 value, qsizetype count);
 extern void qt_memfill32(quint32 *dest, quint32 value, qsizetype count);
@@ -219,11 +219,6 @@ struct Operator
 
 class QRasterPaintEngine;
 
-struct QSolidData
-{
-    QRgba64 color;
-};
-
 struct QLinearGradientData
 {
     struct {
@@ -328,8 +323,8 @@ struct QSpanData
     int fast_matrix : 1;
     bool bilinear;
     QImage *tempImage;
+    QRgba64 solidColor;
     union {
-        QSolidData solid;
         QGradientData gradient;
         QTextureData texture;
     };