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93 lines
3.8 KiB
93 lines
3.8 KiB
/* |
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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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