michael@0: /* Copyright 2013 Mozilla Foundation and Mozilla contributors
michael@0:  *
michael@0:  * Licensed under the Apache License, Version 2.0 (the "License");
michael@0:  * you may not use this file except in compliance with the License.
michael@0:  * You may obtain a copy of the License at
michael@0:  *
michael@0:  *     http://www.apache.org/licenses/LICENSE-2.0
michael@0:  *
michael@0:  * Unless required by applicable law or agreed to in writing, software
michael@0:  * distributed under the License is distributed on an "AS IS" BASIS,
michael@0:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0:  * See the License for the specific language governing permissions and
michael@0:  * limitations under the License.
michael@0:  */
michael@0: 
michael@0: #ifndef GONKDISPLAY_H
michael@0: #define GONKDISPLAY_H
michael@0: 
michael@0: #include <system/window.h>
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: namespace layers {
michael@0: class Layer;
michael@0: }
michael@0: 
michael@0: typedef void * EGLDisplay;
michael@0: typedef void * EGLSurface;
michael@0: 
michael@0: class GonkDisplay {
michael@0: public:
michael@0:     virtual ANativeWindow* GetNativeWindow() = 0;
michael@0: 
michael@0:     virtual void SetEnabled(bool enabled) = 0;
michael@0: 
michael@0:     typedef void (*OnEnabledCallbackType)(bool enabled);
michael@0: 
michael@0:     virtual void OnEnabled(OnEnabledCallbackType callback) = 0;
michael@0: 
michael@0:     virtual void* GetHWCDevice() = 0;
michael@0: 
michael@0:     virtual void* GetFBSurface() = 0;
michael@0: 
michael@0:     virtual bool SwapBuffers(EGLDisplay dpy, EGLSurface sur) = 0;
michael@0: 
michael@0:     virtual ANativeWindowBuffer* DequeueBuffer() = 0;
michael@0: 
michael@0:     virtual bool QueueBuffer(ANativeWindowBuffer* buf) = 0;
michael@0: 
michael@0:     virtual void UpdateFBSurface(EGLDisplay dpy, EGLSurface sur) = 0;
michael@0: 
michael@0:     /**
michael@0:      * Set FramebufferSurface ReleaseFence's file descriptor.
michael@0:      * ReleaseFence will be signaled after the HWC has finished reading
michael@0:      * from a buffer.
michael@0:      */
michael@0:     virtual void SetFBReleaseFd(int fd) = 0;
michael@0: 
michael@0:     /**
michael@0:      * Get FramebufferSurface AcquireFence's file descriptor
michael@0:      * AcquireFence will be signaled when a buffer's content is available.
michael@0:      */
michael@0:     virtual int GetPrevFBAcquireFd() = 0;
michael@0: 
michael@0:     float xdpi;
michael@0:     uint32_t surfaceformat;
michael@0: };
michael@0: 
michael@0: __attribute__ ((weak))
michael@0: GonkDisplay* GetGonkDisplay();
michael@0: 
michael@0: }
michael@0: #endif /* GONKDISPLAY_H */