Implement a fast path for solid color lattice rectangle

Add a flag that hints, which lattice rectangles are solid colors.
Draw solid rectangles and 1x1 rectangles with drawRect.

Test: Measured performance of a ninepatch drawn by HWUI
Bug: b/69796044
Change-Id: Ib3b00ca608da42fa9f2d2038cc126a978421ec7c
Reviewed-on: https://skia-review.googlesource.com/79821
Commit-Queue: Stan Iliev <stani@google.com>
Reviewed-by: Derek Sollenberger <djsollen@google.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/src/pipe/SkPipeCanvas.cpp b/src/pipe/SkPipeCanvas.cpp
index b9fcd2d4b5..d53e40d83c 100644
--- a/src/pipe/SkPipeCanvas.cpp
+++ b/src/pipe/SkPipeCanvas.cpp
@@ -556,7 +556,7 @@ void SkPipeCanvas::onDrawImageLattice(const SkImage* image, const Lattice& latti
     if (paint) {
         extra |= kHasPaint_DrawImageLatticeMask;
     }
-    if (lattice.fFlags) {
+    if (lattice.fRectTypes) {
         extra |= kHasFlags_DrawImageLatticeMask;
     }
     if (lattice.fXCount >= kCount_DrawImageLatticeMask) {
@@ -583,10 +583,11 @@ void SkPipeCanvas::onDrawImageLattice(const SkImage* image, const Lattice& latti
     // so we can store them smaller.
     writer.write(lattice.fXDivs, lattice.fXCount * sizeof(int32_t));
     writer.write(lattice.fYDivs, lattice.fYCount * sizeof(int32_t));
-    if (lattice.fFlags) {
+    if (lattice.fRectTypes) {
         int32_t count = (lattice.fXCount + 1) * (lattice.fYCount + 1);
         SkASSERT(count > 0);
-        write_pad(&writer, lattice.fFlags, count);
+        write_pad(&writer, lattice.fRectTypes, count);
+        write_pad(&writer, lattice.fColors, count*sizeof(SkColor));
     }
     SkASSERT(lattice.fBounds);
     writer.write(&lattice.fBounds, sizeof(*lattice.fBounds));