libs/hwui/unit_tests/RecordingCanvasTests.cpp - platform/frameworks/base - Gitiles

 /*
  * Copyright (C) 2015 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include <gtest/gtest.h>

 #include <RecordedOp.h>
 #include <RecordingCanvas.h>
 #include <utils/TestUtils.h>

 namespace android {
 namespace uirenderer {

 static void playbackOps(const DisplayList& displayList,
         std::function<void(const RecordedOp&)> opReceiver) {
     for (auto& chunk : displayList.getChunks()) {
         for (size_t opIndex = chunk.beginOpIndex; opIndex < chunk.endOpIndex; opIndex++) {
             RecordedOp* op = displayList.getOps()[opIndex];
             opReceiver(*op);
         }
     }
 }

 TEST(RecordingCanvas, emptyPlayback) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(100, 200, [](RecordingCanvas& canvas) {
         canvas.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);
         canvas.restore();
     });
     playbackOps(*dl, [](const RecordedOp& op) { ADD_FAILURE(); });
 }

 TEST(RecordingCanvas, drawLines) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(100, 200, [](RecordingCanvas& canvas) {
         SkPaint paint;
         paint.setStrokeWidth(20);
         float points[] = { 0, 0, 20, 10, 30, 40, 90 }; // NB: only 1 valid line
         canvas.drawLines(&points[0], 7, paint);
     });

     ASSERT_EQ(1u, dl->getOps().size()) << "Must be exactly one op";
     auto op = dl->getOps()[0];
     ASSERT_EQ(RecordedOpId::LinesOp, op->opId);
     EXPECT_EQ(4, ((LinesOp*)op)->floatCount)
             << "float count must be rounded down to closest multiple of 4";
     EXPECT_EQ(Rect(-10, -10, 30, 20), op->unmappedBounds)
             << "unmapped bounds must be size of line, outset by 1/2 stroke width";
 }

 TEST(RecordingCanvas, drawRect) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(100, 200, [](RecordingCanvas& canvas) {
         canvas.drawRect(10, 20, 90, 180, SkPaint());
     });

     ASSERT_EQ(1u, dl->getOps().size()) << "Must be exactly one op";
     auto op = *(dl->getOps()[0]);
     ASSERT_EQ(RecordedOpId::RectOp, op.opId);
     EXPECT_EQ(Rect(0, 0, 100, 200), op.localClipRect);
     EXPECT_EQ(Rect(10, 20, 90, 180), op.unmappedBounds);
 }

 TEST(RecordingCanvas, drawText) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
         SkPaint paint;
         paint.setAntiAlias(true);
         paint.setTextSize(20);
         TestUtils::drawTextToCanvas(&canvas, "test text", paint, 25, 25);
     });

     int count = 0;
     playbackOps(*dl, [&count](const RecordedOp& op) {
         count++;
         ASSERT_EQ(RecordedOpId::TextOp, op.opId);
         EXPECT_EQ(Rect(0, 0, 200, 200), op.localClipRect);
         EXPECT_TRUE(op.localMatrix.isIdentity());
         EXPECT_TRUE(op.unmappedBounds.contains(25, 15, 50, 25))
                 << "Op expected to be 25+ pixels wide, 10+ pixels tall";
     });
     ASSERT_EQ(1, count);
 }

 TEST(RecordingCanvas, drawText_strikeThruAndUnderline) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
         SkPaint paint;
         paint.setAntiAlias(true);
         paint.setTextSize(20);
         for (int i = 0; i < 2; i++) {
             for (int j = 0; j < 2; j++) {
                 paint.setUnderlineText(i != 0);
                 paint.setStrikeThruText(j != 0);
                 TestUtils::drawTextToCanvas(&canvas, "test text", paint, 25, 25);
             }
         }
     });

     auto ops = dl->getOps();
     ASSERT_EQ(8u, ops.size());

     int index = 0;
     EXPECT_EQ(RecordedOpId::TextOp, ops[index++]->opId); // no underline or strikethrough

     EXPECT_EQ(RecordedOpId::TextOp, ops[index++]->opId);
     EXPECT_EQ(RecordedOpId::RectOp, ops[index++]->opId); // strikethrough only

     EXPECT_EQ(RecordedOpId::TextOp, ops[index++]->opId);
     EXPECT_EQ(RecordedOpId::RectOp, ops[index++]->opId); // underline only

     EXPECT_EQ(RecordedOpId::TextOp, ops[index++]->opId);
     EXPECT_EQ(RecordedOpId::RectOp, ops[index++]->opId); // underline
     EXPECT_EQ(RecordedOpId::RectOp, ops[index++]->opId); // strikethrough
 }

 TEST(RecordingCanvas, drawText_forceAlignLeft) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
         SkPaint paint;
         paint.setAntiAlias(true);
         paint.setTextSize(20);
         paint.setTextAlign(SkPaint::kLeft_Align);
         TestUtils::drawTextToCanvas(&canvas, "test text", paint, 25, 25);
         paint.setTextAlign(SkPaint::kCenter_Align);
         TestUtils::drawTextToCanvas(&canvas, "test text", paint, 25, 25);
         paint.setTextAlign(SkPaint::kRight_Align);
         TestUtils::drawTextToCanvas(&canvas, "test text", paint, 25, 25);
     });

     int count = 0;
     playbackOps(*dl, [&count](const RecordedOp& op) {
         count++;
         ASSERT_EQ(RecordedOpId::TextOp, op.opId);
         EXPECT_EQ(SkPaint::kLeft_Align, op.paint->getTextAlign())
                 << "recorded drawText commands must force kLeft_Align on their paint";
         EXPECT_EQ(SkPaint::kGlyphID_TextEncoding, op.paint->getTextEncoding()); // verify TestUtils
     });
     ASSERT_EQ(3, count);
 }

 TEST(RecordingCanvas, backgroundAndImage) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(100, 200, [](RecordingCanvas& canvas) {
         SkBitmap bitmap;
         bitmap.setInfo(SkImageInfo::MakeUnknown(25, 25));
         SkPaint paint;
         paint.setColor(SK_ColorBLUE);

         canvas.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);
         {
             // a background!
             canvas.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);
             canvas.drawRect(0, 0, 100, 200, paint);
             canvas.restore();
         }
         {
             // an image!
             canvas.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);
             canvas.translate(25, 25);
             canvas.scale(2, 2);
             canvas.drawBitmap(bitmap, 0, 0, nullptr);
             canvas.restore();
         }
         canvas.restore();
     });

     int count = 0;
     playbackOps(*dl, [&count](const RecordedOp& op) {
         if (count == 0) {
             ASSERT_EQ(RecordedOpId::RectOp, op.opId);
             ASSERT_NE(nullptr, op.paint);
             EXPECT_EQ(SK_ColorBLUE, op.paint->getColor());
             EXPECT_EQ(Rect(0, 0, 100, 200), op.unmappedBounds);
             EXPECT_EQ(Rect(0, 0, 100, 200), op.localClipRect);

             Matrix4 expectedMatrix;
             expectedMatrix.loadIdentity();
             EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
         } else {
             ASSERT_EQ(RecordedOpId::BitmapOp, op.opId);
             EXPECT_EQ(nullptr, op.paint);
             EXPECT_EQ(Rect(0, 0, 25, 25), op.unmappedBounds);
             EXPECT_EQ(Rect(0, 0, 100, 200), op.localClipRect);

             Matrix4 expectedMatrix;
             expectedMatrix.loadTranslate(25, 25, 0);
             expectedMatrix.scale(2, 2, 1);
             EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
         }
         count++;
     });
     ASSERT_EQ(2, count);
 }

 TEST(RecordingCanvas, saveLayer_simple) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
         canvas.saveLayerAlpha(10, 20, 190, 180, 128, SkCanvas::kARGB_ClipLayer_SaveFlag);
         canvas.drawRect(10, 20, 190, 180, SkPaint());
         canvas.restore();
     });
     int count = 0;
     playbackOps(*dl, [&count](const RecordedOp& op) {
         Matrix4 expectedMatrix;
         switch(count++) {
         case 0:
             EXPECT_EQ(RecordedOpId::BeginLayerOp, op.opId);
             EXPECT_EQ(Rect(10, 20, 190, 180), op.unmappedBounds);
             EXPECT_EQ(Rect(0, 0, 200, 200), op.localClipRect);
             EXPECT_TRUE(op.localMatrix.isIdentity());
             break;
         case 1:
             EXPECT_EQ(RecordedOpId::RectOp, op.opId);
             EXPECT_EQ(Rect(0, 0, 180, 160), op.localClipRect);
             EXPECT_EQ(Rect(10, 20, 190, 180), op.unmappedBounds);
             expectedMatrix.loadTranslate(-10, -20, 0);
             EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
             break;
         case 2:
             EXPECT_EQ(RecordedOpId::EndLayerOp, op.opId);
             // Don't bother asserting recording state data - it's not used
             break;
         default:
             ADD_FAILURE();
         }
     });
     EXPECT_EQ(3, count);
 }

 TEST(RecordingCanvas, saveLayer_viewportCrop) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
         // shouldn't matter, since saveLayer will clip to its bounds
         canvas.clipRect(-1000, -1000, 1000, 1000, SkRegion::kReplace_Op);

         canvas.saveLayerAlpha(100, 100, 300, 300, 128, SkCanvas::kARGB_ClipLayer_SaveFlag);
         canvas.drawRect(0, 0, 400, 400, SkPaint());
         canvas.restore();
     });
     int count = 0;
     playbackOps(*dl, [&count](const RecordedOp& op) {
         if (count++ == 1) {
             Matrix4 expectedMatrix;
             EXPECT_EQ(RecordedOpId::RectOp, op.opId);
             EXPECT_EQ(Rect(0, 0, 100, 100), op.localClipRect) << "Recorded clip rect should be"
                     " intersection of viewport and saveLayer bounds, in layer space";
             EXPECT_EQ(Rect(0, 0, 400, 400), op.unmappedBounds);
             expectedMatrix.loadTranslate(-100, -100, 0);
             EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
         }
     });
     EXPECT_EQ(3, count);
 }

 TEST(RecordingCanvas, saveLayer_rotateUnclipped) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
         canvas.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);
         canvas.translate(100, 100);
         canvas.rotate(45);
         canvas.translate(-50, -50);

         canvas.saveLayerAlpha(0, 0, 100, 100, 128, SkCanvas::kARGB_ClipLayer_SaveFlag);
         canvas.drawRect(0, 0, 100, 100, SkPaint());
         canvas.restore();

         canvas.restore();
     });
     int count = 0;
     playbackOps(*dl, [&count](const RecordedOp& op) {
         if (count++ == 1) {
             EXPECT_EQ(RecordedOpId::RectOp, op.opId);
             EXPECT_EQ(Rect(0, 0, 100, 100), op.localClipRect);
             EXPECT_EQ(Rect(0, 0, 100, 100), op.unmappedBounds);
             EXPECT_MATRIX_APPROX_EQ(Matrix4::identity(), op.localMatrix)
                     << "Recorded op shouldn't see any canvas transform before the saveLayer";
         }
     });
     EXPECT_EQ(3, count);
 }

 TEST(RecordingCanvas, saveLayer_rotateClipped) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
         canvas.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);
         canvas.translate(100, 100);
         canvas.rotate(45);
         canvas.translate(-200, -200);

         // area of saveLayer will be clipped to parent viewport, so we ask for 400x400...
         canvas.saveLayerAlpha(0, 0, 400, 400, 128, SkCanvas::kARGB_ClipLayer_SaveFlag);
         canvas.drawRect(0, 0, 400, 400, SkPaint());
         canvas.restore();

         canvas.restore();
     });
     int count = 0;
     playbackOps(*dl, [&count](const RecordedOp& op) {
         if (count++ == 1) {
             Matrix4 expectedMatrix;
             EXPECT_EQ(RecordedOpId::RectOp, op.opId);

             // ...and get about 58.6, 58.6, 341.4 341.4, because the bounds are clipped by
             // the parent 200x200 viewport, but prior to rotation
             EXPECT_RECT_APPROX_EQ(Rect(58.57864, 58.57864, 341.42136, 341.42136), op.localClipRect);
             EXPECT_EQ(Rect(0, 0, 400, 400), op.unmappedBounds);
             expectedMatrix.loadIdentity();
             EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
         }
     });
     EXPECT_EQ(3, count);
 }

 TEST(RecordingCanvas, insertReorderBarrier) {
     auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
         canvas.drawRect(0, 0, 400, 400, SkPaint());
         canvas.insertReorderBarrier(true);
         canvas.insertReorderBarrier(false);
         canvas.insertReorderBarrier(false);
         canvas.insertReorderBarrier(true);
         canvas.drawRect(0, 0, 400, 400, SkPaint());
         canvas.insertReorderBarrier(false);
     });

     auto chunks = dl->getChunks();
     EXPECT_EQ(0u, chunks[0].beginOpIndex);
     EXPECT_EQ(1u, chunks[0].endOpIndex);
     EXPECT_FALSE(chunks[0].reorderChildren);

     EXPECT_EQ(1u, chunks[1].beginOpIndex);
     EXPECT_EQ(2u, chunks[1].endOpIndex);
     EXPECT_TRUE(chunks[1].reorderChildren);
 }

 } // namespace uirenderer
 } // namespace android
	/*
	* Copyright (C) 2015 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include <gtest/gtest.h>

	#include <RecordedOp.h>
	#include <RecordingCanvas.h>
	#include <utils/TestUtils.h>

	namespace android {
	namespace uirenderer {

	static void playbackOps(const DisplayList& displayList,
	std::function<void(const RecordedOp&)> opReceiver) {
	for (auto& chunk : displayList.getChunks()) {
	for (size_t opIndex = chunk.beginOpIndex; opIndex < chunk.endOpIndex; opIndex++) {
	RecordedOp* op = displayList.getOps()[opIndex];
	opReceiver(*op);
	}
	}
	}

	TEST(RecordingCanvas, emptyPlayback) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(100, 200, [](RecordingCanvas& canvas) {
	canvas.save(SkCanvas::kMatrix_SaveFlag \| SkCanvas::kClip_SaveFlag);
	canvas.restore();
	});
	playbackOps(*dl, [](const RecordedOp& op) { ADD_FAILURE(); });
	}

	TEST(RecordingCanvas, drawLines) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(100, 200, [](RecordingCanvas& canvas) {
	SkPaint paint;
	paint.setStrokeWidth(20);
	float points[] = { 0, 0, 20, 10, 30, 40, 90 }; // NB: only 1 valid line
	canvas.drawLines(&points[0], 7, paint);
	});

	ASSERT_EQ(1u, dl->getOps().size()) << "Must be exactly one op";
	auto op = dl->getOps()[0];
	ASSERT_EQ(RecordedOpId::LinesOp, op->opId);
	EXPECT_EQ(4, ((LinesOp*)op)->floatCount)
	<< "float count must be rounded down to closest multiple of 4";
	EXPECT_EQ(Rect(-10, -10, 30, 20), op->unmappedBounds)
	<< "unmapped bounds must be size of line, outset by 1/2 stroke width";
	}

	TEST(RecordingCanvas, drawRect) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(100, 200, [](RecordingCanvas& canvas) {
	canvas.drawRect(10, 20, 90, 180, SkPaint());
	});

	ASSERT_EQ(1u, dl->getOps().size()) << "Must be exactly one op";
	auto op = *(dl->getOps()[0]);
	ASSERT_EQ(RecordedOpId::RectOp, op.opId);
	EXPECT_EQ(Rect(0, 0, 100, 200), op.localClipRect);
	EXPECT_EQ(Rect(10, 20, 90, 180), op.unmappedBounds);
	}

	TEST(RecordingCanvas, drawText) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
	SkPaint paint;
	paint.setAntiAlias(true);
	paint.setTextSize(20);
	TestUtils::drawTextToCanvas(&canvas, "test text", paint, 25, 25);
	});

	int count = 0;
	playbackOps(*dl, [&count](const RecordedOp& op) {
	count++;
	ASSERT_EQ(RecordedOpId::TextOp, op.opId);
	EXPECT_EQ(Rect(0, 0, 200, 200), op.localClipRect);
	EXPECT_TRUE(op.localMatrix.isIdentity());
	EXPECT_TRUE(op.unmappedBounds.contains(25, 15, 50, 25))
	<< "Op expected to be 25+ pixels wide, 10+ pixels tall";
	});
	ASSERT_EQ(1, count);
	}

	TEST(RecordingCanvas, drawText_strikeThruAndUnderline) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
	SkPaint paint;
	paint.setAntiAlias(true);
	paint.setTextSize(20);
	for (int i = 0; i < 2; i++) {
	for (int j = 0; j < 2; j++) {
	paint.setUnderlineText(i != 0);
	paint.setStrikeThruText(j != 0);
	TestUtils::drawTextToCanvas(&canvas, "test text", paint, 25, 25);
	}
	}
	});

	auto ops = dl->getOps();
	ASSERT_EQ(8u, ops.size());

	int index = 0;
	EXPECT_EQ(RecordedOpId::TextOp, ops[index++]->opId); // no underline or strikethrough

	EXPECT_EQ(RecordedOpId::TextOp, ops[index++]->opId);
	EXPECT_EQ(RecordedOpId::RectOp, ops[index++]->opId); // strikethrough only

	EXPECT_EQ(RecordedOpId::TextOp, ops[index++]->opId);
	EXPECT_EQ(RecordedOpId::RectOp, ops[index++]->opId); // underline only

	EXPECT_EQ(RecordedOpId::TextOp, ops[index++]->opId);
	EXPECT_EQ(RecordedOpId::RectOp, ops[index++]->opId); // underline
	EXPECT_EQ(RecordedOpId::RectOp, ops[index++]->opId); // strikethrough
	}

	TEST(RecordingCanvas, drawText_forceAlignLeft) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
	SkPaint paint;
	paint.setAntiAlias(true);
	paint.setTextSize(20);
	paint.setTextAlign(SkPaint::kLeft_Align);
	TestUtils::drawTextToCanvas(&canvas, "test text", paint, 25, 25);
	paint.setTextAlign(SkPaint::kCenter_Align);
	TestUtils::drawTextToCanvas(&canvas, "test text", paint, 25, 25);
	paint.setTextAlign(SkPaint::kRight_Align);
	TestUtils::drawTextToCanvas(&canvas, "test text", paint, 25, 25);
	});

	int count = 0;
	playbackOps(*dl, [&count](const RecordedOp& op) {
	count++;
	ASSERT_EQ(RecordedOpId::TextOp, op.opId);
	EXPECT_EQ(SkPaint::kLeft_Align, op.paint->getTextAlign())
	<< "recorded drawText commands must force kLeft_Align on their paint";
	EXPECT_EQ(SkPaint::kGlyphID_TextEncoding, op.paint->getTextEncoding()); // verify TestUtils
	});
	ASSERT_EQ(3, count);
	}

	TEST(RecordingCanvas, backgroundAndImage) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(100, 200, [](RecordingCanvas& canvas) {
	SkBitmap bitmap;
	bitmap.setInfo(SkImageInfo::MakeUnknown(25, 25));
	SkPaint paint;
	paint.setColor(SK_ColorBLUE);

	canvas.save(SkCanvas::kMatrix_SaveFlag \| SkCanvas::kClip_SaveFlag);
	{
	// a background!
	canvas.save(SkCanvas::kMatrix_SaveFlag \| SkCanvas::kClip_SaveFlag);
	canvas.drawRect(0, 0, 100, 200, paint);
	canvas.restore();
	}
	{
	// an image!
	canvas.save(SkCanvas::kMatrix_SaveFlag \| SkCanvas::kClip_SaveFlag);
	canvas.translate(25, 25);
	canvas.scale(2, 2);
	canvas.drawBitmap(bitmap, 0, 0, nullptr);
	canvas.restore();
	}
	canvas.restore();
	});

	int count = 0;
	playbackOps(*dl, [&count](const RecordedOp& op) {
	if (count == 0) {
	ASSERT_EQ(RecordedOpId::RectOp, op.opId);
	ASSERT_NE(nullptr, op.paint);
	EXPECT_EQ(SK_ColorBLUE, op.paint->getColor());
	EXPECT_EQ(Rect(0, 0, 100, 200), op.unmappedBounds);
	EXPECT_EQ(Rect(0, 0, 100, 200), op.localClipRect);

	Matrix4 expectedMatrix;
	expectedMatrix.loadIdentity();
	EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
	} else {
	ASSERT_EQ(RecordedOpId::BitmapOp, op.opId);
	EXPECT_EQ(nullptr, op.paint);
	EXPECT_EQ(Rect(0, 0, 25, 25), op.unmappedBounds);
	EXPECT_EQ(Rect(0, 0, 100, 200), op.localClipRect);

	Matrix4 expectedMatrix;
	expectedMatrix.loadTranslate(25, 25, 0);
	expectedMatrix.scale(2, 2, 1);
	EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
	}
	count++;
	});
	ASSERT_EQ(2, count);
	}

	TEST(RecordingCanvas, saveLayer_simple) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
	canvas.saveLayerAlpha(10, 20, 190, 180, 128, SkCanvas::kARGB_ClipLayer_SaveFlag);
	canvas.drawRect(10, 20, 190, 180, SkPaint());
	canvas.restore();
	});
	int count = 0;
	playbackOps(*dl, [&count](const RecordedOp& op) {
	Matrix4 expectedMatrix;
	switch(count++) {
	case 0:
	EXPECT_EQ(RecordedOpId::BeginLayerOp, op.opId);
	EXPECT_EQ(Rect(10, 20, 190, 180), op.unmappedBounds);
	EXPECT_EQ(Rect(0, 0, 200, 200), op.localClipRect);
	EXPECT_TRUE(op.localMatrix.isIdentity());
	break;
	case 1:
	EXPECT_EQ(RecordedOpId::RectOp, op.opId);
	EXPECT_EQ(Rect(0, 0, 180, 160), op.localClipRect);
	EXPECT_EQ(Rect(10, 20, 190, 180), op.unmappedBounds);
	expectedMatrix.loadTranslate(-10, -20, 0);
	EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
	break;
	case 2:
	EXPECT_EQ(RecordedOpId::EndLayerOp, op.opId);
	// Don't bother asserting recording state data - it's not used
	break;
	default:
	ADD_FAILURE();
	}
	});
	EXPECT_EQ(3, count);
	}

	TEST(RecordingCanvas, saveLayer_viewportCrop) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
	// shouldn't matter, since saveLayer will clip to its bounds
	canvas.clipRect(-1000, -1000, 1000, 1000, SkRegion::kReplace_Op);

	canvas.saveLayerAlpha(100, 100, 300, 300, 128, SkCanvas::kARGB_ClipLayer_SaveFlag);
	canvas.drawRect(0, 0, 400, 400, SkPaint());
	canvas.restore();
	});
	int count = 0;
	playbackOps(*dl, [&count](const RecordedOp& op) {
	if (count++ == 1) {
	Matrix4 expectedMatrix;
	EXPECT_EQ(RecordedOpId::RectOp, op.opId);
	EXPECT_EQ(Rect(0, 0, 100, 100), op.localClipRect) << "Recorded clip rect should be"
	" intersection of viewport and saveLayer bounds, in layer space";
	EXPECT_EQ(Rect(0, 0, 400, 400), op.unmappedBounds);
	expectedMatrix.loadTranslate(-100, -100, 0);
	EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
	}
	});
	EXPECT_EQ(3, count);
	}

	TEST(RecordingCanvas, saveLayer_rotateUnclipped) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
	canvas.save(SkCanvas::kMatrix_SaveFlag \| SkCanvas::kClip_SaveFlag);
	canvas.translate(100, 100);
	canvas.rotate(45);
	canvas.translate(-50, -50);

	canvas.saveLayerAlpha(0, 0, 100, 100, 128, SkCanvas::kARGB_ClipLayer_SaveFlag);
	canvas.drawRect(0, 0, 100, 100, SkPaint());
	canvas.restore();

	canvas.restore();
	});
	int count = 0;
	playbackOps(*dl, [&count](const RecordedOp& op) {
	if (count++ == 1) {
	EXPECT_EQ(RecordedOpId::RectOp, op.opId);
	EXPECT_EQ(Rect(0, 0, 100, 100), op.localClipRect);
	EXPECT_EQ(Rect(0, 0, 100, 100), op.unmappedBounds);
	EXPECT_MATRIX_APPROX_EQ(Matrix4::identity(), op.localMatrix)
	<< "Recorded op shouldn't see any canvas transform before the saveLayer";
	}
	});
	EXPECT_EQ(3, count);
	}

	TEST(RecordingCanvas, saveLayer_rotateClipped) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
	canvas.save(SkCanvas::kMatrix_SaveFlag \| SkCanvas::kClip_SaveFlag);
	canvas.translate(100, 100);
	canvas.rotate(45);
	canvas.translate(-200, -200);

	// area of saveLayer will be clipped to parent viewport, so we ask for 400x400...
	canvas.saveLayerAlpha(0, 0, 400, 400, 128, SkCanvas::kARGB_ClipLayer_SaveFlag);
	canvas.drawRect(0, 0, 400, 400, SkPaint());
	canvas.restore();

	canvas.restore();
	});
	int count = 0;
	playbackOps(*dl, [&count](const RecordedOp& op) {
	if (count++ == 1) {
	Matrix4 expectedMatrix;
	EXPECT_EQ(RecordedOpId::RectOp, op.opId);

	// ...and get about 58.6, 58.6, 341.4 341.4, because the bounds are clipped by
	// the parent 200x200 viewport, but prior to rotation
	EXPECT_RECT_APPROX_EQ(Rect(58.57864, 58.57864, 341.42136, 341.42136), op.localClipRect);
	EXPECT_EQ(Rect(0, 0, 400, 400), op.unmappedBounds);
	expectedMatrix.loadIdentity();
	EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
	}
	});
	EXPECT_EQ(3, count);
	}

	TEST(RecordingCanvas, insertReorderBarrier) {
	auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
	canvas.drawRect(0, 0, 400, 400, SkPaint());
	canvas.insertReorderBarrier(true);
	canvas.insertReorderBarrier(false);
	canvas.insertReorderBarrier(false);
	canvas.insertReorderBarrier(true);
	canvas.drawRect(0, 0, 400, 400, SkPaint());
	canvas.insertReorderBarrier(false);
	});

	auto chunks = dl->getChunks();
	EXPECT_EQ(0u, chunks[0].beginOpIndex);
	EXPECT_EQ(1u, chunks[0].endOpIndex);
	EXPECT_FALSE(chunks[0].reorderChildren);

	EXPECT_EQ(1u, chunks[1].beginOpIndex);
	EXPECT_EQ(2u, chunks[1].endOpIndex);
	EXPECT_TRUE(chunks[1].reorderChildren);
	}

	} // namespace uirenderer
	} // namespace android