Port suitableForGpuRasterization to SkRecord

tests/PictureTest.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBBoxHierarchy.h"
 #include "SkBlurImageFilter.h"
 #include "SkCanvas.h"
@@ skipping 560 matching lines @@
                 if (!found) {
                     SkData* data = SkPictureUtils::GatherPixelRefs(pic, r);
                     size_t dataSize = data ? data->size() : 0;
                 }
 #endif
             }
         }
     }
 }
 
+#define GENERATE_CANVAS(recorder, x) \
+    (x) ? recorder.EXPERIMENTAL_beginRecording(100, 100) \
+        : recorder.beginRecording(100,100);
+
+/* Hit a few SkPicture::Analysis cases not handled elsewhere. */
+static void test_analysis(skiatest::Reporter* reporter, bool useNewPath) {
+    SkPictureRecorder recorder;
+
+    SkCanvas* canvas = GENERATE_CANVAS(recorder, useNewPath);
+    {
+        canvas->drawRect(SkRect::MakeWH(10, 10), SkPaint ());
+    }
+    SkAutoTUnref<SkPicture> picture(recorder.endRecording());
+    REPORTER_ASSERT(reporter, !picture->willPlayBackBitmaps());
+
+    canvas = GENERATE_CANVAS(recorder, useNewPath);
+    {
+        SkPaint paint;
+        // CreateBitmapShader is too smart for us; an empty (or 1x1) bitmap shader
+        // gets optimized into a non-bitmap form, so we create a 2x2 bitmap here.
+        SkBitmap bitmap;
+        bitmap.allocPixels(SkImageInfo::MakeN32Premul(2, 2));
+        bitmap.eraseColor(SK_ColorBLUE);
+        *(bitmap.getAddr32(0, 0)) = SK_ColorGREEN;
+        SkShader* shader = SkShader::CreateBitmapShader(bitmap, SkShader::kClamp_TileMode,
+                                                        SkShader::kClamp_TileMode);
+        paint.setShader(shader)->unref();
+        REPORTER_ASSERT(reporter,
+                        shader->asABitmap(NULL, NULL, NULL) == SkShader::kDefault_BitmapType);
+
+        canvas->drawRect(SkRect::MakeWH(10, 10), paint);
+    }
+    picture.reset(recorder.endRecording());
+    REPORTER_ASSERT(reporter, picture->willPlayBackBitmaps());
+}
+
+#undef GENERATE_CANVAS
+
 static void test_gatherpixelrefsandrects(skiatest::Reporter* reporter) {
     const int IW = 32;
     const int IH = IW;
     const SkScalar W = SkIntToScalar(IW);
     const SkScalar H = W;
 
     static const int N = 4;
     SkBitmap bm[2*N];
     SkPixelRef* refs[2*N];
     SkTDArray<SkPixelRef*> analytic[N];
@@ skipping 107 matching lines @@
         canvas->restore();
     } else if (unit <= 0.9) {
 //        SkDebugf("clip\n");
         canvas->clipRect(rect);
     } else {
 //        SkDebugf("draw\n");
         canvas->drawPaint(paint);
     }
 }
 
 #if SK_SUPPORT_GPU

[robertphillips, 2014/08/19 12:27:59]

Can we just define this once and move the first #undef further down the file ?

-static void test_gpu_veto(skiatest::Reporter* reporter) {
+#define GENERATE_CANVAS(recorder, x) \
+    (x) ? recorder.EXPERIMENTAL_beginRecording(100, 100) \
+        : recorder.beginRecording(100,100);
+

[robertphillips, 2014/08/19 12:27:59]

All on 1 line ?

+static void test_gpu_veto(skiatest::Reporter* reporter,
+                          bool useNewPath) {
 
     SkPictureRecorder recorder;
 
-    SkCanvas* canvas = recorder.beginRecording(100, 100);
+    SkCanvas* canvas = GENERATE_CANVAS(recorder, useNewPath);
     {
         SkPath path;
         path.moveTo(0, 0);
         path.lineTo(50, 50);
 
         SkScalar intervals[] = { 1.0f, 1.0f };
         SkAutoTUnref<SkDashPathEffect> dash(SkDashPathEffect::Create(intervals, 2, 0));
 
         SkPaint paint;
         paint.setStyle(SkPaint::kStroke_Style);
         paint.setPathEffect(dash);
 
         canvas->drawPath(path, paint);
     }
     SkAutoTUnref<SkPicture> picture(recorder.endRecording());
     // path effects currently render an SkPicture undesireable for GPU rendering
 
     const char *reason = NULL;
     REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL, &reason));
     REPORTER_ASSERT(reporter, NULL != reason);
 
-    canvas = recorder.beginRecording(100, 100);
+    canvas = GENERATE_CANVAS(recorder, useNewPath);
     {
         SkPath path;
 
         path.moveTo(0, 0);
         path.lineTo(0, 50);
         path.lineTo(25, 25);
         path.lineTo(50, 50);
         path.lineTo(50, 0);
         path.close();
         REPORTER_ASSERT(reporter, !path.isConvex());
 
         SkPaint paint;
         paint.setAntiAlias(true);
         for (int i = 0; i < 50; ++i) {
             canvas->drawPath(path, paint);
         }
     }
     picture.reset(recorder.endRecording());
     // A lot of AA concave paths currently render an SkPicture undesireable for GPU rendering
     REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL));
 
-    canvas = recorder.beginRecording(100, 100);
+    canvas = GENERATE_CANVAS(recorder, useNewPath);
     {
         SkPath path;
 
         path.moveTo(0, 0);
         path.lineTo(0, 50);
         path.lineTo(25, 25);
         path.lineTo(50, 50);
         path.lineTo(50, 0);
         path.close();
         REPORTER_ASSERT(reporter, !path.isConvex());
 
         SkPaint paint;
         paint.setAntiAlias(true);
         paint.setStyle(SkPaint::kStroke_Style);
         paint.setStrokeWidth(0);
         for (int i = 0; i < 50; ++i) {
             canvas->drawPath(path, paint);
         }
     }
     picture.reset(recorder.endRecording());
     // hairline stroked AA concave paths are fine for GPU rendering
     REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL));
+
+    canvas = GENERATE_CANVAS(recorder, useNewPath);
+    {
+        SkPaint paint;
+        SkScalar intervals [] = { 10, 20 };
+        SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25);
+        paint.setPathEffect(pe)->unref();
+
+        SkPoint points [2] = { { 0, 0 }, { 100, 0 } };
+        canvas->drawPoints(SkCanvas::kLines_PointMode, 2, points, paint);
+    }
+    picture.reset(recorder.endRecording());
+    // fast-path dashed effects are fine for GPU rendering ...
+    REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL));
+
+    canvas = GENERATE_CANVAS(recorder, useNewPath);
+    {
+        SkPaint paint;
+        SkScalar intervals [] = { 10, 20 };
+        SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25);
+        paint.setPathEffect(pe)->unref();
+
+        canvas->drawRect(SkRect::MakeWH(10, 10), paint);
+    }
+    picture.reset(recorder.endRecording());
+    // ... but only when applied to drawPoint() calls
+    REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL));
 }
 
+#undef GENERATE_CANVAS
+
 static void test_gpu_picture_optimization(skiatest::Reporter* reporter,
                                           GrContextFactory* factory) {
     for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
         GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
 
         if (!GrContextFactory::IsRenderingGLContext(glCtxType)) {
             continue;
         }
 
         GrContext* context = factory->get(glCtxType);
@@ skipping 818 matching lines @@
 DEF_TEST(Picture, reporter) {
 #ifdef SK_DEBUG
     test_deleting_empty_picture();
     test_serializing_empty_picture();
 #else
     test_bad_bitmap();
 #endif
     test_unbalanced_save_restores(reporter);
     test_peephole();
 #if SK_SUPPORT_GPU
-    test_gpu_veto(reporter);
+    test_gpu_veto(reporter, false);
+    test_gpu_veto(reporter, true);
 #endif
     test_has_text(reporter);
+    test_analysis(reporter, false);
+    test_analysis(reporter, true);
     test_gatherpixelrefs(reporter);
     test_gatherpixelrefsandrects(reporter);
     test_bitmap_with_encoded_data(reporter);
     test_draw_empty(reporter);
     test_clip_bound_opt(reporter);
     test_clip_expansion(reporter);
     test_hierarchical(reporter);
     test_gen_id(reporter);
 }
 
@@ skipping 123 matching lines @@
     SkAutoTUnref<const SkPicture> picture(recorder.endRecording());
 
     SkCanvas big(640, 480), small(300, 200);
 
     picture->draw(&big);
     REPORTER_ASSERT(r, bbh.searchCalls == 0);
 
     picture->draw(&small);
     REPORTER_ASSERT(r, bbh.searchCalls == 1);
 }