1 /* Copyright (C) 2011 The Android Open Source Project 2 ** 3 ** This software is licensed under the terms of the GNU General Public 4 ** License version 2, as published by the Free Software Foundation, and 5 ** may be copied, distributed, and modified under those terms. 6 ** 7 ** This program is distributed in the hope that it will be useful, 8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 ** GNU General Public License for more details. 11 */ 12 #ifndef ANDROID_OPENGLES_H 13 #define ANDROID_OPENGLES_H 14 15 #include <stddef.h> 16 17 /* Call this function to initialize the hardware opengles emulation. 18 * This function will abort if we can't find the corresponding host 19 * libraries through dlopen() or equivalent. 20 */ 21 int android_initOpenglesEmulation(void); 22 23 /* Tries to start the renderer process. Returns 0 on success, -1 on error. 24 * At the moment, this must be done before the VM starts. The onPost callback 25 * may be NULL. 26 */ 27 int android_startOpenglesRenderer(int width, int height); 28 29 /* See the description in render_api.h. */ 30 typedef void (*OnPostFunc)(void* context, int width, int height, int ydir, 31 int format, int type, unsigned char* pixels); 32 void android_setPostCallback(OnPostFunc onPost, void* onPostContext); 33 34 /* Retrieve the Vendor/Renderer/Version strings describing the underlying GL 35 * implementation. The call only works while the renderer is started. 36 * 37 * Each string is copied into the corresponding buffer. If the original string 38 * (including NUL terminator) is more than xxBufSize bytes, it will be 39 * truncated. In all cases, including failure, the buffer will be NUL- 40 * terminated when this function returns. 41 */ 42 void android_getOpenglesHardwareStrings(char* vendor, size_t vendorBufSize, 43 char* renderer, size_t rendererBufSize, 44 char* version, size_t versionBufSize); 45 46 int android_showOpenglesWindow(void* window, int x, int y, int width, int height, float rotation); 47 48 int android_hideOpenglesWindow(void); 49 50 void android_redrawOpenglesWindow(void); 51 52 /* Stop the renderer process */ 53 void android_stopOpenglesRenderer(void); 54 55 /* set to TRUE if you want to use fast GLES pipes, 0 if you want to 56 * fallback to local TCP ones 57 */ 58 extern int android_gles_fast_pipes; 59 60 /* Get the address of the socket that clients should connect to to access GLES. 61 * For TCP this is just the port number (as a string) on the loopback address. 62 * For UNIX and Win32 pipes it is the full pathname of the pipe. 63 */ 64 void android_gles_server_path(char* buff, size_t buffsize); 65 66 #endif /* ANDROID_OPENGLES_H */ 67
