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/*
* Copyright (C) 2010 The Android Open Source Project
* Copyright (C) 2012-2014, The Linux Foundation. All rights reserved.
*
* Not a Contribution, Apache license notifications and license are retained
* for attribution purposes only.
*
* 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 HWC_VIRTUAL
#define HWC_VIRTUAL
#include <hwc_utils.h>
namespace qhwc {
class HWCVirtualVDS {
public:
HWCVirtualVDS(){};
~HWCVirtualVDS(){};
// Chooses composition type and configures pipe for each layer in virtual
// display list
int prepare(hwc_composer_device_1 *dev,
hwc_display_contents_1_t* list);
// Queues the buffer for each layer in virtual display list and call display
// commit.
int set(hwc_context_t *ctx, hwc_display_contents_1_t *list);
// instantiates mdpcomp, copybit and fbupdate objects and initialize those
// objects for virtual display during virtual display connect.
void init(hwc_context_t *ctx);
// Destroys mdpcomp, copybit and fbupdate objects and for virtual display
// during virtual display disconnect.
void destroy(hwc_context_t *ctx, size_t numDisplays,
hwc_display_contents_1_t** displays);
int getScalingHeight() const { return mScalingHeight; };
int getScalingWidth() const { return mScalingWidth; };
// We can dump the frame buffer and WB
// output buffer by dynamically enabling
// dumping via a binder call:
// adb shell service call display.qservice 15 i32 3 i32 1
static bool sVDDumpEnabled;
static void dynamicDebug(bool enable) {sVDDumpEnabled = enable;};
private:
// These variables store the resolution that WB is being configured to
// in the current draw cycle.
int mScalingWidth, mScalingHeight;
void setMDPScalingMode(hwc_context_t* ctx,
private_handle_t* ohnd, int dpy);
};
}; //namespace
#endif
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