widget/gonk/libdisplay/GonkDisplay.h
author Carsten "Tomcat" Book <cbook@mozilla.com>
Fri, 17 Apr 2015 12:04:55 +0200
changeset 239712 a75dd40cf3fc43f12fe911314a7348d8c1a42cea
parent 239680 abe6234be8a3dc97ac5136041b6c462c3430790a
child 239764 e3c19212d8d03ac45a038da4bec55e50602431d5
permissions -rw-r--r--
Backed out changeset abe6234be8a3 (bug 1152135) for Android 4 opt/debug perma failure

/* Copyright 2013 Mozilla Foundation and Mozilla contributors
 *
 * 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 GONKDISPLAY_H
#define GONKDISPLAY_H

#include <system/window.h>
#include "mozilla/Types.h"

namespace mozilla {

namespace layers {
class Layer;
}

typedef void * EGLDisplay;
typedef void * EGLSurface;

class MOZ_EXPORT GonkDisplay {
public:
    virtual ANativeWindow* GetNativeWindow() = 0;

    virtual void SetEnabled(bool enabled) = 0;

    typedef void (*OnEnabledCallbackType)(bool enabled);

    virtual void OnEnabled(OnEnabledCallbackType callback) = 0;

    virtual void* GetHWCDevice() = 0;

    virtual void* GetFBSurface() = 0;

    virtual bool SwapBuffers(EGLDisplay dpy, EGLSurface sur) = 0;

    virtual ANativeWindowBuffer* DequeueBuffer() = 0;

    virtual bool QueueBuffer(ANativeWindowBuffer* buf) = 0;

    virtual void UpdateFBSurface(EGLDisplay dpy, EGLSurface sur) = 0;

    /**
     * Set FramebufferSurface ReleaseFence's file descriptor.
     * ReleaseFence will be signaled after the HWC has finished reading
     * from a buffer.
     */
    virtual void SetFBReleaseFd(int fd) = 0;

    /**
     * Get FramebufferSurface AcquireFence's file descriptor
     * AcquireFence will be signaled when a buffer's content is available.
     */
    virtual int GetPrevFBAcquireFd() = 0;

    float xdpi;
    int32_t surfaceformat;
};

MOZ_EXPORT __attribute__ ((weak))
GonkDisplay* GetGonkDisplay();

}
#endif /* GONKDISPLAY_H */