add 'a8' config for nanobench, specialize blitV for raster-pipeline
Motivated by wanting to speed-up A8 blits in general (and at the moment, aarect blits). More to come in these areas.
Bug: skia:
Change-Id: I45e8ef951b8e89a825af72b1918049be10920137
Reviewed-on: https://skia-review.googlesource.com/39401
Reviewed-by: Yuqian Li <liyuqian@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/src/core/SkRasterPipelineBlitter.cpp b/src/core/SkRasterPipelineBlitter.cpp
index 4c484a0..863fb92 100644
--- a/src/core/SkRasterPipelineBlitter.cpp
+++ b/src/core/SkRasterPipelineBlitter.cpp
@@ -44,6 +44,7 @@
void blitAntiH2(int x, int y, U8CPU a0, U8CPU a1) override;
void blitMask (const SkMask&, const SkIRect& clip) override;
void blitRect (int x, int y, int width, int height) override;
+ void blitV (int x, int y, int height, SkAlpha alpha) override;
// TODO: The default implementations of the other blits look fine,
// but some of them like blitV could probably benefit from custom
@@ -389,6 +390,18 @@
this->blitMask(mask, clip);
}
+void SkRasterPipelineBlitter::blitV(int x, int y, int height, SkAlpha alpha) {
+ SkIRect clip = {x,y, x+1,y+height};
+
+ SkMask mask;
+ mask.fImage = α
+ mask.fBounds = clip;
+ mask.fRowBytes = 0; // so we reuse the 1 "row" for all of height
+ mask.fFormat = SkMask::kA8_Format;
+
+ this->blitMask(mask, clip);
+}
+
void SkRasterPipelineBlitter::blitMask(const SkMask& mask, const SkIRect& clip) {
if (mask.fFormat == SkMask::kBW_Format) {
// TODO: native BW masks?