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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrDrawOpTest.h"
#include "GrCaps.h"
#include "GrContext.h"
#include "GrUserStencilSettings.h"
#include "SkRandom.h"
#include "SkTypes.h"
#if GR_TEST_UTILS
const GrUserStencilSettings* GrGetRandomStencil(SkRandom* random, GrContext* context) {
if (context->caps()->avoidStencilBuffers()) {
return &GrUserStencilSettings::kUnused;
}
static constexpr GrUserStencilSettings kReads(
GrUserStencilSettings::StaticInit<
0x8080,
GrUserStencilTest::kLess,
0xffff,
GrUserStencilOp::kKeep,
GrUserStencilOp::kKeep,
0xffff>()
);
static constexpr GrUserStencilSettings kWrites(
GrUserStencilSettings::StaticInit<
0xffff,
GrUserStencilTest::kAlways,
0xffff,
GrUserStencilOp::kReplace,
GrUserStencilOp::kReplace,
0xffff>()
);
static constexpr GrUserStencilSettings kReadsAndWrites(
GrUserStencilSettings::StaticInit<
0x8000,
GrUserStencilTest::kEqual,
0x6000,
GrUserStencilOp::kIncWrap,
GrUserStencilOp::kInvert,
0x77ff>()
);
static const GrUserStencilSettings* kStencilSettings[] = {
&GrUserStencilSettings::kUnused,
&kReads,
&kWrites,
&kReadsAndWrites,
};
return kStencilSettings[random->nextULessThan(SK_ARRAY_COUNT(kStencilSettings))];
}
#endif
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