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94 lines
3.8 KiB
94 lines
3.8 KiB
4 months ago
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/*
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* Copyright (C) 2010 The Android Open Source Project
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* Copyright (C) 2012-2014, The Linux Foundation. All rights reserved.
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*
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* Not a Contribution, Apache license notifications and license are retained
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* for attribution purposes only.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HWC_VIRTUAL
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#define HWC_VIRTUAL
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#include <hwc_utils.h>
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#include <virtual.h>
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namespace qhwc {
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namespace ovutils = overlay::utils;
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// Base and abstract class for VDS and V4L2 wfd design.
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class HWCVirtualBase {
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public:
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explicit HWCVirtualBase(){};
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virtual ~HWCVirtualBase(){};
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// instantiates and returns the pointer to VDS or V4L2 object.
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static HWCVirtualBase* getObject(bool isVDSEnabled);
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virtual int prepare(hwc_composer_device_1 *dev,
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hwc_display_contents_1_t* list) = 0;
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virtual int set(hwc_context_t *ctx, hwc_display_contents_1_t *list) = 0;
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virtual void init(hwc_context_t *ctx) = 0;
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virtual void destroy(hwc_context_t *ctx, size_t numDisplays,
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hwc_display_contents_1_t** displays) = 0;
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virtual void pause(hwc_context_t* ctx, int dpy) = 0;
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virtual void resume(hwc_context_t* ctx, int dpy) = 0;
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};
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class HWCVirtualVDS : public HWCVirtualBase {
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public:
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explicit HWCVirtualVDS(){};
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virtual ~HWCVirtualVDS(){};
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// Chooses composition type and configures pipe for each layer in virtual
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// display list
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virtual int prepare(hwc_composer_device_1 *dev,
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hwc_display_contents_1_t* list);
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// Queues the buffer for each layer in virtual display list and call display
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// commit.
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virtual int set(hwc_context_t *ctx, hwc_display_contents_1_t *list);
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// instantiates mdpcomp, copybit and fbupdate objects and initialize those
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// objects for virtual display during virtual display connect.
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virtual void init(hwc_context_t *ctx);
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// Destroys mdpcomp, copybit and fbupdate objects and for virtual display
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// during virtual display disconnect.
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virtual void destroy(hwc_context_t *ctx, size_t numDisplays,
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hwc_display_contents_1_t** displays);
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virtual void pause(hwc_context_t* ctx, int dpy);
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virtual void resume(hwc_context_t* ctx, int dpy);
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};
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class HWCVirtualV4L2 : public HWCVirtualBase {
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public:
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explicit HWCVirtualV4L2(){};
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virtual ~HWCVirtualV4L2(){};
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// Chooses composition type and configures pipe for each layer in virtual
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// display list
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virtual int prepare(hwc_composer_device_1 *dev,
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hwc_display_contents_1_t* list);
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// Queues the buffer for each layer in virtual display list and call
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// display commit.
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virtual int set(hwc_context_t *ctx, hwc_display_contents_1_t *list);
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// instantiates mdpcomp, copybit and fbupdate objects and initialize those
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// objects for virtual display during virtual display connect. This function
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// is no-op for V4L2 design
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virtual void init(hwc_context_t *) {};
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// Destroys mdpcomp, copybit and fbupdate objects and for virtual display
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// during virtual display disconnect. This function is no-op for V4L2 design
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virtual void destroy(hwc_context_t *, size_t ,
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hwc_display_contents_1_t** ) {};
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virtual void pause(hwc_context_t* ctx, int dpy);
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virtual void resume(hwc_context_t* ctx, int dpy);
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};
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}; //namespace
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#endif
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