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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrPathStencilSettings_DEFINED
#define GrPathStencilSettings_DEFINED
#include "GrUserStencilSettings.h"
////////////////////////////////////////////////////////////////////////////////
// Stencil rules for paths
////// Even/Odd
static constexpr GrUserStencilSettings gEOStencilPass(
GrUserStencilSettings::StaticInit<
0xffff,
GrUserStencilTest::kAlwaysIfInClip,
0xffff,
GrUserStencilOp::kInvert,
GrUserStencilOp::kKeep,
0xffff>()
);
// ok not to check clip b/c stencil pass only wrote inside clip
static constexpr GrUserStencilSettings gEOColorPass(
GrUserStencilSettings::StaticInit<
0x0000,
GrUserStencilTest::kNotEqual,
0xffff,
GrUserStencilOp::kZero,
GrUserStencilOp::kZero,
0xffff>()
);
// have to check clip b/c outside clip will always be zero.
static constexpr GrUserStencilSettings gInvEOColorPass(
GrUserStencilSettings::StaticInit<
0x0000,
GrUserStencilTest::kEqualIfInClip,
0xffff,
GrUserStencilOp::kZero,
GrUserStencilOp::kZero,
0xffff>()
);
////// Winding
static constexpr GrUserStencilSettings gWindStencilPass (
GrUserStencilSettings::StaticInitSeparate<
0xffff, 0xffff,
GrUserStencilTest::kAlwaysIfInClip, GrUserStencilTest::kAlwaysIfInClip,
0xffff, 0xffff,
GrUserStencilOp::kIncWrap, GrUserStencilOp::kDecWrap,
GrUserStencilOp::kKeep, GrUserStencilOp::kKeep,
0xffff, 0xffff>()
);
static constexpr GrUserStencilSettings gWindColorPass(
GrUserStencilSettings::StaticInit<
0x0000,
GrUserStencilTest::kLessIfInClip, // "0 < stencil" is equivalent to "0 != stencil".
0xffff,
GrUserStencilOp::kZero,
GrUserStencilOp::kZero,
0xffff>()
);
static constexpr GrUserStencilSettings gInvWindColorPass(
GrUserStencilSettings::StaticInit<
0x0000,
GrUserStencilTest::kEqualIfInClip,
0xffff,
GrUserStencilOp::kZero,
GrUserStencilOp::kZero,
0xffff>()
);
////// Normal render to stencil
// Sometimes the default path renderer can draw a path directly to the stencil
// buffer without having to first resolve the interior / exterior.
static constexpr GrUserStencilSettings gDirectToStencil(
GrUserStencilSettings::StaticInit<
0x0000,
GrUserStencilTest::kAlwaysIfInClip,
0xffff,
GrUserStencilOp::kZero,
GrUserStencilOp::kIncMaybeClamp,
0xffff>()
);
#endif
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