1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* 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());
}
|
