diff options
author | reed <reed@google.com> | 2016-02-03 09:47:46 -0800 |
---|---|---|
committer | Commit bot <commit-bot@chromium.org> | 2016-02-03 09:47:46 -0800 |
commit | ef5252e48ff6c5ed2b53b87333b7ed716c8b9035 (patch) | |
tree | 10ab03edaa080ed511ea74889850c0f1a26d561a /gm | |
parent | afb188de27d047c8327ccc7b099203e8fc2a4129 (diff) |
extend gm to test aa[] parameter on xfer4f procs
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1663643002
Review URL: https://codereview.chromium.org/1663643002
Diffstat (limited to 'gm')
-rw-r--r-- | gm/xfer4f.cpp | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/gm/xfer4f.cpp b/gm/xfer4f.cpp index b74b6e0685..14927f2d1d 100644 --- a/gm/xfer4f.cpp +++ b/gm/xfer4f.cpp @@ -10,7 +10,8 @@ #include "SkImageInfo.h" #include "SkXfermode.h" -static void draw_rect(SkCanvas* canvas, const SkRect& r, SkColor c, SkColorProfileType profile) { +static void draw_rect(SkCanvas* canvas, const SkRect& r, SkColor c, SkColorProfileType profile, + const SkAlpha aa[]) { const SkIRect ir = r.round(); SkBitmap bm; @@ -32,7 +33,7 @@ static void draw_rect(SkCanvas* canvas, const SkRect& r, SkColor c, SkColorProfi const SkPM4f src = SkColor4f::FromColor(c).premul(); auto proc1 = SkXfermode::GetPM4fProc1(SkXfermode::kSrcOver_Mode, flags); for (int y = 0; y < ir.height()/2; ++y) { - proc1(state, pm.writable_addr32(0, y), src, ir.width(), nullptr); + proc1(state, pm.writable_addr32(0, y), src, ir.width(), aa); } SkPM4f srcRow[1000]; @@ -42,7 +43,7 @@ static void draw_rect(SkCanvas* canvas, const SkRect& r, SkColor c, SkColorProfi auto procN = SkXfermode::GetPM4fProcN(SkXfermode::kSrcOver_Mode, flags); // +1 to skip a row, so we can see the boundary between proc1 and procN for (int y = ir.height()/2 + 1; y < ir.height(); ++y) { - procN(state, pm.writable_addr32(0, y), srcRow, ir.width(), nullptr); + procN(state, pm.writable_addr32(0, y), srcRow, ir.width(), aa); } canvas->drawBitmap(bm, r.left(), r.top(), nullptr); @@ -51,8 +52,9 @@ static void draw_rect(SkCanvas* canvas, const SkRect& r, SkColor c, SkColorProfi /* * Test SkXfer4fProcs directly for src-over, comparing them to current SkColor blits. */ -DEF_SIMPLE_GM(xfer4f_srcover, canvas, 580, 380) { - const SkScalar W = 50; +DEF_SIMPLE_GM(xfer4f_srcover, canvas, 580, 760) { + const int IW = 50; + const SkScalar W = IW; const SkScalar H = 100; const int profiles[] = { @@ -64,22 +66,41 @@ DEF_SIMPLE_GM(xfer4f_srcover, canvas, 580, 380) { SK_ColorBLACK, SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, 0x88000000, 0x88FF0000, 0x8800FF00, 0x880000FF }; + + uint8_t aa_scanline[IW]; + for (int i = 0; i < IW; ++i) { + aa_scanline[i] = i * 255 / (IW - 1); + } + uint8_t const* aa_table[] = { nullptr, aa_scanline }; + + SkBitmap mask; + mask.installPixels(SkImageInfo::MakeA8(IW, 1), aa_scanline, IW); + canvas->translate(20, 20); const SkRect r = SkRect::MakeWH(W, H); - for (auto profile : profiles) { + for (const uint8_t* aa : aa_table) { canvas->save(); - for (SkColor c : colors) { - if (profile < 0) { - SkPaint p; - p.setColor(c); - canvas->drawRect(r, p); - } else { - draw_rect(canvas, r, c, (SkColorProfileType)profile); + for (auto profile : profiles) { + canvas->save(); + for (SkColor c : colors) { + if (profile < 0) { + SkPaint p; + p.setColor(c); + if (aa) { + canvas->drawBitmapRect(mask, r, &p); + } else { + canvas->drawRect(r, p); + } + } else { + draw_rect(canvas, r, c, (SkColorProfileType)profile, aa); + } + canvas->translate(W + 20, 0); } - canvas->translate(W + 20, 0); + canvas->restore(); + canvas->translate(0, H + 20); } canvas->restore(); - canvas->translate(0, H + 20); + canvas->translate(0, (H + 20) * SK_ARRAY_COUNT(profiles) + 20); } } |