gecko/widget/gonk/libdisplay/GonkDisplay.h
2015-04-23 06:49:40 -07:00

74 lines
2.0 KiB
C++

/* 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 {
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* GetDispSurface() = 0;
/**
* Only GonkDisplayICS uses arguments.
*/
virtual bool SwapBuffers(EGLDisplay dpy, EGLSurface sur) = 0;
virtual ANativeWindowBuffer* DequeueBuffer() = 0;
virtual bool QueueBuffer(ANativeWindowBuffer* buf) = 0;
virtual void UpdateDispSurface(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 SetDispReleaseFd(int fd) = 0;
/**
* Get FramebufferSurface AcquireFence's file descriptor
* AcquireFence will be signaled when a buffer's content is available.
*/
virtual int GetPrevDispAcquireFd() = 0;
float xdpi;
int32_t surfaceformat;
};
MOZ_EXPORT __attribute__ ((weak))
GonkDisplay* GetGonkDisplay();
}
#endif /* GONKDISPLAY_H */