Files
Lawnchair/systemUI/anim/src/com/android/systemui/surfaceeffects/RenderEffectDrawCallback.kt
T

40 lines
1.4 KiB
Kotlin

/*
* Copyright (C) 2024 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.
*/
package com.android.systemui.surfaceeffects
import android.graphics.RenderEffect
/**
* A callback with a [RenderEffect] object that contains shader info, which is triggered every frame
* while animation is playing. Note that the [RenderEffect] instance is different each time to
* update shader uniforms.
*
* The usage of this callback is as follows:
* <pre>{@code
* private val xEffectDrawingCallback = RenderEffectDrawCallback() {
* val myOtherRenderEffect = createOtherRenderEffect()
* val chainEffect = RenderEffect.createChainEffect(renderEffect, myOtherRenderEffect)
* myView.setRenderEffect(chainEffect)
* }
*
* private val xEffect = XEffect(config, xEffectDrawingCallback)
* }</pre>
*/
interface RenderEffectDrawCallback {
fun onDraw(renderEffect: RenderEffect)
}