1 /*
2 * Copyright 2015 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 "src/gpu/GrDrawOpTest.h"
9
10 #include "include/core/SkTypes.h"
11 #include "include/private/GrContext_Base.h"
12 #include "include/utils/SkRandom.h"
13 #include "src/gpu/GrBaseContextPriv.h"
14 #include "src/gpu/GrCaps.h"
15 #include "src/gpu/GrUserStencilSettings.h"
16
17 #if GR_TEST_UTILS
18
GrGetRandomStencil(SkRandom * random,GrContext_Base * context)19 const GrUserStencilSettings* GrGetRandomStencil(SkRandom* random, GrContext_Base* context) {
20 if (context->priv().caps()->avoidStencilBuffers()) {
21 return &GrUserStencilSettings::kUnused;
22 }
23 static constexpr GrUserStencilSettings kReads(
24 GrUserStencilSettings::StaticInit<
25 0x8080,
26 GrUserStencilTest::kLess,
27 0xffff,
28 GrUserStencilOp::kKeep,
29 GrUserStencilOp::kKeep,
30 0xffff>()
31 );
32 static constexpr GrUserStencilSettings kWrites(
33 GrUserStencilSettings::StaticInit<
34 0xffff,
35 GrUserStencilTest::kAlways,
36 0xffff,
37 GrUserStencilOp::kReplace,
38 GrUserStencilOp::kReplace,
39 0xffff>()
40 );
41 static constexpr GrUserStencilSettings kReadsAndWrites(
42 GrUserStencilSettings::StaticInit<
43 0x8000,
44 GrUserStencilTest::kEqual,
45 0x6000,
46 GrUserStencilOp::kIncWrap,
47 GrUserStencilOp::kInvert,
48 0x77ff>()
49 );
50
51 static const GrUserStencilSettings* kStencilSettings[] = {
52 &GrUserStencilSettings::kUnused,
53 &kReads,
54 &kWrites,
55 &kReadsAndWrites,
56 };
57 return kStencilSettings[random->nextULessThan(SK_ARRAY_COUNT(kStencilSettings))];
58 }
59
60 #endif
61