blob: 062d9dddd16fca770e3dbba0cdc57b8cf43a737c [file] [log] [blame]
* Copyright 2014 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef GrCoverageSetOpXP_DEFINED
#define GrCoverageSetOpXP_DEFINED
#include "GrTypes.h"
#include "GrXferProcessor.h"
#include "SkRegion.h"
// See the comment above GrXPFactory's definition about this warning suppression.
#if defined(__GNUC__) || defined(__clang)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
* This xfer processor directly blends the the src coverage with the dst using a set operator. It is
* useful for rendering coverage masks using CSG. It can optionally invert the src coverage before
* applying the set operator.
class GrCoverageSetOpXPFactory : public GrXPFactory {
static const GrXPFactory* Get(SkRegion::Op regionOp, bool invertCoverage = false);
constexpr GrCoverageSetOpXPFactory(SkRegion::Op regionOp, bool invertCoverage);
sk_sp<const GrXferProcessor> makeXferProcessor(const GrProcessorAnalysisColor&,
bool hasMixedSamples,
const GrCaps&) const override;
AnalysisProperties analysisProperties(const GrProcessorAnalysisColor&,
const GrProcessorAnalysisCoverage&,
const GrCaps&) const override {
return AnalysisProperties::kIgnoresInputColor;
SkRegion::Op fRegionOp;
bool fInvertCoverage;
typedef GrXPFactory INHERITED;
#if defined(__GNUC__) || defined(__clang)
#pragma GCC diagnostic pop