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author | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-04-09 23:30:28 +0000 |
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committer | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-04-09 23:30:28 +0000 |
commit | d9ce2be6b24b1c89d13c2edb63c3462b0f5c6aa3 (patch) | |
tree | 954fa0a55c4e6c74a5670eb2d8eb2a47148c0dc8 /tests | |
parent | d6e9b88468e0bdc8f46ceaba1d97ba00253fc941 (diff) |
SkRecordDraw: skip draw ops when the clip is empty
- Adds tests for SkRecordDraw's two main features: cull- and clip- based skipping.
- Adds full SkCanvas semantic mode to SkRecorder, so it can be used as a target for SkRecordDraw.
BUG=skia:2378
R=fmalita@chromium.org, mtklein@google.com
Author: mtklein@chromium.org
Review URL: https://codereview.chromium.org/231653002
git-svn-id: http://skia.googlecode.com/svn/trunk@14124 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'tests')
-rw-r--r-- | tests/RecordCullingTest.cpp | 2 | ||||
-rw-r--r-- | tests/RecordDrawTest.cpp | 64 | ||||
-rw-r--r-- | tests/RecorderTest.cpp | 2 |
3 files changed, 66 insertions, 2 deletions
diff --git a/tests/RecordCullingTest.cpp b/tests/RecordCullingTest.cpp index c6711c6f67..c6fe10e07b 100644 --- a/tests/RecordCullingTest.cpp +++ b/tests/RecordCullingTest.cpp @@ -18,7 +18,7 @@ template <> void PushCullScanner::operator()(const SkRecords::PushCull& record) DEF_TEST(RecordCulling, r) { SkRecord record; - SkRecorder recorder(&record, 1920, 1080); + SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, 1920, 1080); recorder.drawRect(SkRect::MakeWH(1000, 10000), SkPaint()); diff --git a/tests/RecordDrawTest.cpp b/tests/RecordDrawTest.cpp new file mode 100644 index 0000000000..6468e72c9d --- /dev/null +++ b/tests/RecordDrawTest.cpp @@ -0,0 +1,64 @@ +#include "Test.h" + +#include "SkDebugCanvas.h" +#include "SkRecord.h" +#include "SkRecordCulling.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. + // The inner clipRect makes the clip empty, so the inner drawRect does nothing. + recorder.save(); + recorder.clipRect(SkRect::MakeLTRB(0, 0, 100, 100)); + recorder.drawRect(SkRect::MakeLTRB(20, 20, 40, 40), SkPaint()); + recorder.save(); + recorder.clipRect(SkRect::MakeLTRB(200, 200, 300, 300)); + recorder.drawRect(SkRect::MakeLTRB(220, 220, 240, 240), SkPaint()); + 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 drawRect will be preserved. + REPORTER_ASSERT(r, 7 == rerecord.count()); +} diff --git a/tests/RecorderTest.cpp b/tests/RecorderTest.cpp index 3c7b0082b1..1c116beb12 100644 --- a/tests/RecorderTest.cpp +++ b/tests/RecorderTest.cpp @@ -25,7 +25,7 @@ private: DEF_TEST(Recorder, r) { SkRecord record; - SkRecorder recorder(&record, 1920, 1080); + SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, 1920, 1080); recorder.drawRect(SkRect::MakeWH(10, 10), SkPaint()); |