blob: 76f349f58cd2c650d3b81cab9a08ef4e1c90f6ac [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 GrPorterDuffXferProcessor_DEFINED
#define GrPorterDuffXferProcessor_DEFINED
#include "include/core/SkBlendMode.h"
#include "include/gpu/GrTypes.h"
#include "src/gpu/GrXferProcessor.h"
// See the comment above GrXPFactory's definition about this warning suppression.
#if defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
class GrPorterDuffXPFactory : public GrXPFactory {
static const GrXPFactory* Get(SkBlendMode blendMode);
/** Because src-over is so common we special case it for performance reasons. If this returns
null then the SimpleSrcOverXP() below should be used. */
static sk_sp<const GrXferProcessor> MakeSrcOverXferProcessor(const GrProcessorAnalysisColor&,
const GrCaps&);
/** Returns a simple non-LCD porter duff blend XP with no optimizations or coverage. */
static sk_sp<const GrXferProcessor> MakeNoCoverageXP(SkBlendMode);
/** This XP implements non-LCD src-over using hw blend with no optimizations. It is returned
by reference because it is global and its ref-cnting methods are not thread safe. */
static const GrXferProcessor& SimpleSrcOverXP();
static AnalysisProperties SrcOverAnalysisProperties(const GrProcessorAnalysisColor&,
const GrProcessorAnalysisCoverage&,
const GrCaps&,
constexpr GrPorterDuffXPFactory(SkBlendMode);
sk_sp<const GrXferProcessor> makeXferProcessor(const GrProcessorAnalysisColor&,
const GrCaps&,
GrClampType) const override;
AnalysisProperties analysisProperties(const GrProcessorAnalysisColor&,
const GrProcessorAnalysisCoverage&,
const GrCaps&,
GrClampType) const override;
static void TestGetXPOutputTypes(const GrXferProcessor*, int* outPrimary, int* outSecondary);
SkBlendMode fBlendMode;
friend class GrPorterDuffTest; // for TestGetXPOutputTypes()
using INHERITED = GrXPFactory;
#if defined(__GNUC__)
#pragma GCC diagnostic pop
#if defined(__clang__)
#pragma clang diagnostic pop