59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
/*
|
|
* Copyright (C) 2015 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#ifndef RENDERSTATE_BLEND_H
|
|
#define RENDERSTATE_BLEND_H
|
|
|
|
#include "Vertex.h"
|
|
|
|
#include <GLES2/gl2.h>
|
|
#include <GLES2/gl2ext.h>
|
|
#include <SkXfermode.h>
|
|
#include <memory>
|
|
|
|
namespace android {
|
|
namespace uirenderer {
|
|
|
|
class Blend {
|
|
friend class RenderState;
|
|
public:
|
|
// dictates whether to swap src/dst
|
|
enum class ModeOrderSwap {
|
|
NoSwap,
|
|
Swap,
|
|
};
|
|
|
|
void enable(SkXfermode::Mode mode, ModeOrderSwap modeUsage);
|
|
void disable();
|
|
void syncEnabled();
|
|
|
|
static void getFactors(SkXfermode::Mode mode, ModeOrderSwap modeUsage,
|
|
GLenum* outSrc, GLenum* outDst);
|
|
void setFactors(GLenum src, GLenum dst);
|
|
|
|
void dump();
|
|
private:
|
|
Blend();
|
|
void invalidate();
|
|
bool mEnabled;
|
|
GLenum mSrcMode;
|
|
GLenum mDstMode;
|
|
};
|
|
|
|
} /* namespace uirenderer */
|
|
} /* namespace android */
|
|
|
|
#endif // RENDERSTATE_BLEND_H
|