tile spans

gm/SkLinearBitmapPipelineGM.cpp

Index: gm/SkLinearBitmapPipelineGM.cpp
diff --git a/gm/SkLinearBitmapPipelineGM.cpp b/gm/SkLinearBitmapPipelineGM.cpp
index 74068179ba74a23ffc8f7f9a882b0e8d8cf231d7..47d097c45c43332416474eb777f507efbbaf4a1a 100644
--- a/gm/SkLinearBitmapPipelineGM.cpp
+++ b/gm/SkLinearBitmapPipelineGM.cpp
@@ -61,7 +61,7 @@ static void draw_rect_orig(SkCanvas* canvas, const SkRect& r, SkColor c, const S
         info, pmsrc.addr32(), pmsrc.rowBytes())};
     SkPaint paint;
     int32_t storage[200];
-    SkShader* shader = image->newShader(SkShader::kClamp_TileMode, SkShader::kClamp_TileMode);
+    SkShader* shader = image->newShader(SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
     if (useBilerp) {
         paint.setFilterQuality(SkFilterQuality::kLow_SkFilterQuality);
     } else {
@@ -119,7 +119,7 @@ static void draw_rect_fp(SkCanvas* canvas, const SkRect& r, SkColor c, const SkM
 
     SkLinearBitmapPipeline pipeline{
             inv, filterQuality,
-            SkShader::kClamp_TileMode, SkShader::kClamp_TileMode, pmsrc};
+            SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode, pmsrc};
 
     for (int y = 0; y < ir.height(); y++) {
         pipeline.shadeSpan4f(0, y, dstBits, ir.width());
@@ -143,7 +143,7 @@ static void draw_rect_none(SkCanvas* canvas, const SkRect& r, SkColor c) {
 /*
  *  Test SkXfer4fProcs directly for src-over, comparing them to current SkColor blits.
  */
-DEF_SIMPLE_GM(linear_pipeline, canvas, 580, 1400) {
+DEF_SIMPLE_GM(linear_pipeline, canvas, 580, 2200) {
     const int IW = 50;
     const SkScalar W = IW;
     const SkScalar H = 100;
@@ -156,14 +156,20 @@ DEF_SIMPLE_GM(linear_pipeline, canvas, 580, 1400) {
     canvas->translate(20, 20);
 
     SkMatrix mi = SkMatrix::I();
+    SkMatrix mlr;
+    mlr.setScale(-1.0f, 1.0f, 20, 0.0f);
     SkMatrix mt;
     mt.setTranslate(8, 8);
+    SkMatrix mt2;
+    mt2.setTranslate(-18, -18);
     SkMatrix ms;
     ms.setScale(2.7f, 2.7f);
+    SkMatrix ms2;
+    ms2.setScale(-0.2f, 0.2f);
     SkMatrix mr;
     mr.setRotate(10);
 
-    const SkMatrix* mats[] = {nullptr, &mi, &mt, &ms, &mr};
+    const SkMatrix* mats[] = {nullptr, &mi, &mlr, &mt, &mt2, &ms, &ms2, &mr};
 
     const SkRect r = SkRect::MakeWH(W, H);
     bool useBilerp = false;