skia2/include/gpu/effects/GrXfermodeFragmentProcessor.h
Mike Reed 7d954ad797 remove xfermode from public api
BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4020

CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Change-Id: I19cd056f2af778f10e8c6c2b7b2735593b43dbac
Reviewed-on: https://skia-review.googlesource.com/4020
Reviewed-by: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Reed <reed@google.com>
2016-10-28 20:06:17 +00:00

36 lines
1.4 KiB
C++

/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrXfermodeFragmentProcessor_DEFINED
#define GrXfermodeFragmentProcessor_DEFINED
#include "SkRefCnt.h"
#include "SkBlendMode.h"
class GrFragmentProcessor;
namespace GrXfermodeFragmentProcessor {
/** The color input to the returned processor is treated as the src and the passed in processor
is the dst. */
sk_sp<GrFragmentProcessor> MakeFromDstProcessor(sk_sp<GrFragmentProcessor> dst,
SkBlendMode mode);
/** The color input to the returned processor is treated as the dst and the passed in processor
is the src. */
sk_sp<GrFragmentProcessor> MakeFromSrcProcessor(sk_sp<GrFragmentProcessor> src,
SkBlendMode mode);
/** Takes the input color, which is assumed to be unpremultiplied, passes it as an opaque color
to both src and dst. The outputs of a src and dst are blended using mode and the original
input's alpha is applied to the blended color to produce a premul output. */
sk_sp<GrFragmentProcessor> MakeFromTwoProcessors(sk_sp<GrFragmentProcessor> src,
sk_sp<GrFragmentProcessor> dst,
SkBlendMode mode);
};
#endif