libs/hwui/renderthread/IRenderPipeline.h

/*
 * Copyright (C) 2016 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.
 */

#pragma once

#include "FrameInfoVisualizer.h"
#include "EglManager.h"

#include <SkRect.h>
#include <utils/RefBase.h>

namespace android {

class Surface;

namespace uirenderer {

class DeferredLayerUpdater;

namespace renderthread {

enum class SwapBehavior {
    kSwap_default,
    kSwap_discardBuffer,
};

enum class MakeCurrentResult {
    AlreadyCurrent,
    Failed,
    Succeeded
};

class IRenderPipeline {
public:
    virtual MakeCurrentResult makeCurrent() = 0;
    virtual Frame getFrame() = 0;
    virtual bool draw(const Frame& frame, const SkRect& screenDirty, const SkRect& dirty,
            const FrameBuilder::LightGeometry& lightGeometry,
            LayerUpdateQueue* layerUpdateQueue,
            const Rect& contentDrawBounds, bool opaque,
            const BakedOpRenderer::LightInfo& lightInfo,
            const std::vector< sp<RenderNode> >& renderNodes,
            FrameInfoVisualizer* profiler) = 0;
    virtual bool swapBuffers(const Frame& frame, bool drew, const SkRect& screenDirty,
            FrameInfo* currentFrameInfo, bool* requireSwap) = 0;
    virtual bool copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) = 0;
    virtual DeferredLayerUpdater* createTextureLayer() = 0;
    virtual bool setSurface(Surface* window, SwapBehavior swapBehavior) = 0;
    virtual void onStop() = 0;
    virtual bool isSurfaceReady() = 0;
    virtual bool isContextReady() = 0;
    virtual void onDestroyHardwareResources() = 0;
    virtual void renderLayers(const FrameBuilder::LightGeometry& lightGeometry,
            LayerUpdateQueue* layerUpdateQueue, bool opaque,
            const BakedOpRenderer::LightInfo& lightInfo) = 0;
    virtual TaskManager* getTaskManager() = 0;
    virtual bool createOrUpdateLayer(RenderNode* node,
            const DamageAccumulator& damageAccumulator) = 0;

    virtual ~IRenderPipeline() {}
};

} /* namespace renderthread */
} /* namespace uirenderer */
} /* namespace android */