/* * Copyright 2020 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "gm/gm.h" #include "include/core/SkCanvas.h" #include "include/core/SkPath.h" #include "include/core/SkPoint.h" #include "include/gpu/GrContextOptions.h" #include "include/gpu/GrDirectContext.h" #include "include/utils/SkRandom.h" #include "src/gpu/ganesh/GrCaps.h" #include "src/gpu/ganesh/GrDirectContextPriv.h" #include "src/gpu/ganesh/GrDrawingManager.h" #include "src/gpu/ganesh/GrRecordingContextPriv.h" #include "src/gpu/ganesh/ops/TessellationPathRenderer.h" static constexpr float kStrokeWidth = 100; static constexpr int kTestWidth = 120 * 4; static constexpr int kTestHeight = 120 * 3 + 140; static void draw_strokes(SkCanvas* canvas, SkRandom* rand, const SkPath& path, const SkPath& cubic) { SkPaint strokePaint; strokePaint.setAntiAlias(true); strokePaint.setStrokeWidth(kStrokeWidth); strokePaint.setStyle(SkPaint::kStroke_Style); SkAutoCanvasRestore arc(canvas, true); strokePaint.setStrokeJoin(SkPaint::kBevel_Join); strokePaint.setColor(rand->nextU() | 0xff808080); canvas->drawPath(path, strokePaint); canvas->translate(120, 0); strokePaint.setStrokeJoin(SkPaint::kRound_Join); strokePaint.setColor(rand->nextU() | 0xff808080); canvas->drawPath(path, strokePaint); canvas->translate(120, 0); strokePaint.setStrokeJoin(SkPaint::kMiter_Join); strokePaint.setColor(rand->nextU() | 0xff808080); canvas->drawPath(path, strokePaint); canvas->translate(120, 0); strokePaint.setColor(rand->nextU() | 0xff808080); canvas->drawPath(cubic, strokePaint); } static void draw_test(SkCanvas* canvas) { SkRandom rand; if (canvas->recordingContext() && canvas->recordingContext()->priv().caps()->shaderCaps()->tessellationSupport() && canvas->recordingContext()->priv().caps()->shaderCaps()->maxTessellationSegments() == 5) { // The caller successfully overrode the max tessellation segments to 5. Indicate this in the // background color. canvas->clear(SkColorSetARGB(255, 64, 0, 0)); } else { canvas->clear(SK_ColorBLACK); } SkAutoCanvasRestore arc(canvas, true); canvas->translate(60, 60); draw_strokes(canvas, &rand, SkPath().lineTo(10,0).lineTo(10,10), SkPath().cubicTo(10,0, 10,0, 10,10)); canvas->translate(0, 120); draw_strokes(canvas, &rand, SkPath().lineTo(0,-10).lineTo(0,10), SkPath().cubicTo(0,-10, 0,-10, 0,10)); canvas->translate(0, 120); draw_strokes(canvas, &rand, SkPath().lineTo(0,-10).lineTo(10,-10).lineTo(10,10).lineTo(0,10), SkPath().cubicTo(0,-10, 10,10, 0,10)); canvas->translate(0, 140); draw_strokes(canvas, &rand, SkPath().lineTo(0,-10).lineTo(10,-10).lineTo(10,0).lineTo(0,0), SkPath().cubicTo(0,-10, 10,0, 0,0)); canvas->translate(0, 120); } DEF_SIMPLE_GM(widebuttcaps, canvas, kTestWidth, kTestHeight) { canvas->clear(SK_ColorBLACK); draw_test(canvas); }