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/* Copyright (C) 2010 The Android Open Source Project
**
** This software is licensed under the terms of the GNU General Public
** License version 2, as published by the Free Software Foundation, and
** may be copied, distributed, and modified under those terms.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
*/
/*
* Contains core-side framebuffer service that sends framebuffer updates
* to the UI connected to the core.
*/
#ifndef _ANDROID_PROTOCOL_FB_UPDATES_PROXY_H
#define _ANDROID_PROTOCOL_FB_UPDATES_PROXY_H
/* Descriptor for a framebuffer core service instance */
typedef struct ProxyFramebuffer ProxyFramebuffer;
/*
* Creates framebuffer service.
* Param:
* sock - Socket descriptor for the service
* protocol - Defines protocol to use when sending FB updates to the UI. The
* supported values ar:
* -raw Transfers the updating rectangle buffer over the socket.
* -shared Used a shared memory to transfer the updating rectangle buffer.
* fb - Framebuffer descriptor for this service.
* Return:
* Framebuffer service descriptor.
*/
ProxyFramebuffer* proxyFb_create(int sock, const char* protocol, struct QFrameBuffer* fb);
/*
* Destroys framebuffer service created with proxyFb_create.
* Param:
* core_fb - Framebuffer service descriptor created with proxyFb_create
*/
void proxyFb_destroy(ProxyFramebuffer* core_fb);
/*
* Notifies framebuffer client about changes in framebuffer.
* Param:
* core_fb - Framebuffer service descriptor created with proxyFb_create
* fb Framebuffer containing pixels.
* x, y, w, and h identify the rectangle that has benn changed.
*/
void proxyFb_update(ProxyFramebuffer* core_fb, struct QFrameBuffer* fb,
int x, int y, int w, int h);
/*
* Gets number of bits used to encode a single pixel.
* Param:
* core_fb - Framebuffer service descriptor created with proxyFb_create
* Return:
* Number of bits used to encode a single pixel.
*/
int proxyFb_get_bits_per_pixel(ProxyFramebuffer* core_fb);
#endif /* _ANDROID_PROTOCOL_FB_UPDATES_PROXY_H */
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