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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "RecordTestUtils.h"
#include "SkRecord.h"
#include "SkRecordOpts.h"
#include "SkRecorder.h"
#include "SkRecords.h"
#include "SkXfermode.h"
static const int W = 1920, H = 1080;
static void draw_pos_text(SkCanvas* canvas, const char* text, bool constantY) {
const size_t len = strlen(text);
SkAutoTMalloc<SkPoint> pos(len);
for (size_t i = 0; i < len; i++) {
pos[i].fX = (SkScalar)i;
pos[i].fY = constantY ? SK_Scalar1 : (SkScalar)i;
}
canvas->drawPosText(text, len, pos, SkPaint());
}
DEF_TEST(RecordOpts_StrengthReduction, r) {
SkRecord record;
SkRecorder recorder(&record, W, H);
// We can convert a drawPosText into a drawPosTextH when all the Ys are the same.
draw_pos_text(&recorder, "This will be reduced to drawPosTextH.", true);
draw_pos_text(&recorder, "This cannot be reduced to drawPosTextH.", false);
SkRecordReduceDrawPosTextStrength(&record);
assert_type<SkRecords::DrawPosTextH>(r, record, 0);
assert_type<SkRecords::DrawPosText>(r, record, 1);
}
DEF_TEST(RecordOpts_NoopDrawSaveRestore, r) {
SkRecord record;
SkRecorder recorder(&record, W, H);
// The save and restore are pointless if there's only draw commands in the middle.
recorder.save();
recorder.drawRect(SkRect::MakeWH(200, 200), SkPaint());
recorder.drawRect(SkRect::MakeWH(300, 300), SkPaint());
recorder.drawRect(SkRect::MakeWH(100, 100), SkPaint());
recorder.restore();
record.replace<SkRecords::NoOp>(2); // NoOps should be allowed.
SkRecordNoopSaveRestores(&record);
assert_type<SkRecords::NoOp>(r, record, 0);
assert_type<SkRecords::DrawRect>(r, record, 1);
assert_type<SkRecords::NoOp>(r, record, 2);
assert_type<SkRecords::DrawRect>(r, record, 3);
assert_type<SkRecords::NoOp>(r, record, 4);
}
DEF_TEST(RecordOpts_SingleNoopSaveRestore, r) {
SkRecord record;
SkRecorder recorder(&record, W, H);
recorder.save();
recorder.clipRect(SkRect::MakeWH(200, 200));
recorder.restore();
SkRecordNoopSaveRestores(&record);
for (unsigned i = 0; i < 3; i++) {
assert_type<SkRecords::NoOp>(r, record, i);
}
}
DEF_TEST(RecordOpts_NoopSaveRestores, r) {
SkRecord record;
SkRecorder recorder(&record, W, H);
// The second pass will clean up this pair after the first pass noops all the innards.
recorder.save();
// A simple pointless pair of save/restore.
recorder.save();
recorder.restore();
// As long as we don't draw in there, everything is a noop.
recorder.save();
recorder.clipRect(SkRect::MakeWH(200, 200));
recorder.clipRect(SkRect::MakeWH(100, 100));
recorder.restore();
recorder.restore();
SkRecordNoopSaveRestores(&record);
for (unsigned index = 0; index < 8; index++) {
assert_type<SkRecords::NoOp>(r, record, index);
}
}
static void assert_savelayer_restore(skiatest::Reporter* r,
SkRecord* record,
unsigned i,
bool shouldBeNoOped) {
SkRecordNoopSaveLayerDrawRestores(record);
if (shouldBeNoOped) {
assert_type<SkRecords::NoOp>(r, *record, i);
assert_type<SkRecords::NoOp>(r, *record, i+2);
} else {
assert_type<SkRecords::SaveLayer>(r, *record, i);
assert_type<SkRecords::Restore>(r, *record, i+2);
}
}
DEF_TEST(RecordOpts_NoopSaveLayerDrawRestore, r) {
SkRecord record;
SkRecorder recorder(&record, W, H);
SkRect bounds = SkRect::MakeWH(100, 200);
SkRect draw = SkRect::MakeWH(50, 60);
SkPaint goodLayerPaint, badLayerPaint, worseLayerPaint;
goodLayerPaint.setColor(0x03000000); // Only alpha.
badLayerPaint.setColor( 0x03040506); // Not only alpha.
worseLayerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); // Any effect will do.
SkPaint goodDrawPaint, badDrawPaint;
goodDrawPaint.setColor(0xFF020202); // Opaque.
badDrawPaint.setColor( 0x0F020202); // Not opaque.
// No change: optimization can't handle bounds.
recorder.saveLayer(&bounds, NULL);
recorder.drawRect(draw, goodDrawPaint);
recorder.restore();
assert_savelayer_restore(r, &record, 0, false);
// SaveLayer/Restore removed: no bounds + no paint = no point.
recorder.saveLayer(NULL, NULL);
recorder.drawRect(draw, goodDrawPaint);
recorder.restore();
assert_savelayer_restore(r, &record, 3, true);
// TODO(mtklein): test case with null draw paint
// No change: layer paint isn't alpha-only.
recorder.saveLayer(NULL, &badLayerPaint);
recorder.drawRect(draw, goodDrawPaint);
recorder.restore();
assert_savelayer_restore(r, &record, 6, false);
// No change: layer paint has an effect.
recorder.saveLayer(NULL, &worseLayerPaint);
recorder.drawRect(draw, goodDrawPaint);
recorder.restore();
assert_savelayer_restore(r, &record, 9, false);
// No change: draw paint isn't opaque.
recorder.saveLayer(NULL, &goodLayerPaint);
recorder.drawRect(draw, badDrawPaint);
recorder.restore();
assert_savelayer_restore(r, &record, 12, false);
// SaveLayer/Restore removed: we can fold in the alpha!
recorder.saveLayer(NULL, &goodLayerPaint);
recorder.drawRect(draw, goodDrawPaint);
recorder.restore();
assert_savelayer_restore(r, &record, 15, true);
const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, record, 16);
REPORTER_ASSERT(r, drawRect != NULL);
REPORTER_ASSERT(r, drawRect->paint.getColor() == 0x03020202);
}
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