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/* Copyright (C) 2011 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.
*/
#ifndef ANDROID_OPENGLES_H
#define ANDROID_OPENGLES_H
#include <stddef.h>
/* Call this function to initialize the hardware opengles emulation.
* This function will abort if we can't find the corresponding host
* libraries through dlopen() or equivalent.
*/
int android_initOpenglesEmulation(void);
/* Tries to start the renderer process. Returns 0 on success, -1 on error.
* At the moment, this must be done before the VM starts. The onPost callback
* may be NULL.
*/
int android_startOpenglesRenderer(int width, int height);
/* See the description in render_api.h. */
typedef void (*OnPostFunc)(void* context, int width, int height, int ydir,
int format, int type, unsigned char* pixels);
void android_setPostCallback(OnPostFunc onPost, void* onPostContext);
/* Retrieve the Vendor/Renderer/Version strings describing the underlying GL
* implementation. The call only works while the renderer is started.
*
* Each string is copied into the corresponding buffer. If the original string
* (including NUL terminator) is more than xxBufSize bytes, it will be
* truncated. In all cases, including failure, the buffer will be NUL-
* terminated when this function returns.
*/
void android_getOpenglesHardwareStrings(char* vendor, size_t vendorBufSize,
char* renderer, size_t rendererBufSize,
char* version, size_t versionBufSize);
int android_showOpenglesWindow(void* window, int x, int y, int width, int height, float rotation);
int android_hideOpenglesWindow(void);
void android_redrawOpenglesWindow(void);
/* Stop the renderer process */
void android_stopOpenglesRenderer(void);
/* set to TRUE if you want to use fast GLES pipes, 0 if you want to
* fallback to local TCP ones
*/
extern int android_gles_fast_pipes;
/* Get the address of the socket that clients should connect to to access GLES.
* For TCP this is just the port number (as a string) on the loopback address.
* For UNIX and Win32 pipes it is the full pathname of the pipe.
*/
void android_gles_server_path(char* buff, size_t buffsize);
#endif /* ANDROID_OPENGLES_H */
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