skia2/tests/RecordDrawTest.cpp
commit-bot@chromium.org 2e0c32af05 Start using type traits in src/record instead of macros.
Simplified skip logic by always running clip commands.  No performance difference on bot or silk SKPs.

BUG=skia:2378
R=bungeman@google.com, fmalita@chromium.org, mtklein@google.com

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/258693006

git-svn-id: http://skia.googlecode.com/svn/trunk@14410 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-04-28 16:19:45 +00:00

72 lines
2.5 KiB
C++

/*
* 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 "SkDebugCanvas.h"
#include "SkRecord.h"
#include "SkRecordOpts.h"
#include "SkRecordDraw.h"
#include "SkRecorder.h"
#include "SkRecords.h"
static const int W = 1920, H = 1080;
DEF_TEST(RecordDraw_Culling, r) {
// Record these 7 drawing commands verbatim.
SkRecord record;
SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H);
recorder.pushCull(SkRect::MakeWH(100, 100));
recorder.drawRect(SkRect::MakeWH(10, 10), SkPaint());
recorder.drawRect(SkRect::MakeWH(30, 30), SkPaint());
recorder.pushCull(SkRect::MakeWH(5, 5));
recorder.drawRect(SkRect::MakeWH(1, 1), SkPaint());
recorder.popCull();
recorder.popCull();
// Take a pass over to match up pushCulls and popCulls.
SkRecordAnnotateCullingPairs(&record);
// Rerecord into another SkRecord using full SkCanvas semantics,
// tracking clips and allowing SkRecordDraw's quickReject() calls to work.
SkRecord rerecord;
SkRecorder rerecorder(SkRecorder::kReadWrite_Mode, &rerecord, W, H);
// This clip intersects the outer cull, but allows us to quick reject the inner one.
rerecorder.clipRect(SkRect::MakeLTRB(20, 20, 200, 200));
SkRecordDraw(record, &rerecorder);
// We'll keep the clipRect call from above, and the outer two drawRects, and the push/pop pair.
// If culling weren't working, we'd see 8 commands recorded here.
REPORTER_ASSERT(r, 5 == rerecord.count());
}
DEF_TEST(RecordDraw_Clipping, r) {
SkRecord record;
SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H);
// 8 draw commands.
recorder.save();
recorder.clipRect(SkRect::MakeLTRB(0, 0, 100, 100));
recorder.drawRect(SkRect::MakeLTRB(20, 20, 40, 40), SkPaint());
recorder.save();
// This clipRect makes the clip empty, so the next command does nothing.
recorder.clipRect(SkRect::MakeLTRB(200, 200, 300, 300));
recorder.drawRect(SkRect::MakeLTRB(220, 220, 240, 240), SkPaint()); // Skipped
recorder.restore();
recorder.restore();
// Same deal as above: we need full SkCanvas semantics for clip skipping to work.
SkRecord rerecord;
SkRecorder rerecorder(SkRecorder::kReadWrite_Mode, &rerecord, W, H);
SkRecordDraw(record, &rerecorder);
// All commands except the one marked // Skipped will be preserved.
REPORTER_ASSERT(r, 7 == rerecord.count());
}