1 /*
2 * Copyright 2017 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "SkAndroidFrameworkUtils.h"
9 #include "SkCanvas.h"
10 #include "SkDevice.h"
11
12 #if SK_SUPPORT_GPU
13 #include "GrStyle.h"
14 #include "GrClip.h"
15 #include "GrRenderTargetContext.h"
16 #include "GrUserStencilSettings.h"
17 #include "effects/GrDisableColorXP.h"
18 #endif //SK_SUPPORT_GPU
19
20 #ifdef SK_BUILD_FOR_ANDROID
21
22 #if SK_SUPPORT_GPU
clipWithStencil(SkCanvas * canvas)23 bool SkAndroidFrameworkUtils::clipWithStencil(SkCanvas* canvas) {
24 SkRegion clipRegion;
25 canvas->temporary_internal_getRgnClip(&clipRegion);
26 if (clipRegion.isEmpty()) {
27 return false;
28 }
29 SkBaseDevice* device = canvas->getDevice();
30 if (!device) {
31 return false;
32 }
33 GrRenderTargetContext* rtc = device->accessRenderTargetContext();
34 if (!rtc) {
35 return false;
36 }
37 GrPaint grPaint;
38 grPaint.setXPFactory(GrDisableColorXPFactory::Get());
39 GrNoClip noClip;
40 static constexpr GrUserStencilSettings kDrawToStencil(
41 GrUserStencilSettings::StaticInit<
42 0x1,
43 GrUserStencilTest::kAlways,
44 0x1,
45 GrUserStencilOp::kReplace,
46 GrUserStencilOp::kReplace,
47 0x1>()
48 );
49 rtc->drawRegion(noClip, std::move(grPaint), GrAA::kNo, SkMatrix::I(), clipRegion,
50 GrStyle::SimpleFill(), &kDrawToStencil);
51 return true;
52 }
53 #endif //SK_SUPPORT_GPU
54
55 #endif // SK_BUILD_FOR_ANDROID
56
57