gl.cpp revision 39c24a20bbc697630d2b92c251b70c04d6f9d00c
1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** Copyright 2007, The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ** limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <ctype.h> 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <string.h> 19edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <errno.h> 20edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 21edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/ioctl.h> 22edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <GLES/gl.h> 24edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <GLES/glext.h> 25edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <cutils/log.h> 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <cutils/properties.h> 28edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 2939c24a20bbc697630d2b92c251b70c04d6f9d00cMathias Agopian#include "../hooks.h" 3039c24a20bbc697630d2b92c251b70c04d6f9d00cMathias Agopian#include "../egl_impl.h" 31edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectusing namespace android; 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 347d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian// set this to 1 for crude GL debugging 357d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian#define CHECK_FOR_GL_ERRORS 0 367d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// extensions for the framework 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 41d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopianextern "C" { 42d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias AgopianGL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride, 43d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian const GLvoid *ptr, GLsizei count); 44d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias AgopianGL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride, 45d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian const GLvoid *pointer, GLsizei count); 46d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias AgopianGL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type, 47d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian GLsizei stride, const GLvoid *pointer, GLsizei count); 48d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias AgopianGL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type, 49d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian GLsizei stride, const GLvoid *pointer, GLsizei count); 5066089a33ea4efda711a3a5180f0b001bdac48dcfJack PalevichGL_API void GL_APIENTRY glPointSizePointerOESBounds(GLenum type, 5166089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count); 5266089a33ea4efda711a3a5180f0b001bdac48dcfJack PalevichGL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type, 5366089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count); 5466089a33ea4efda711a3a5180f0b001bdac48dcfJack PalevichGL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type, 5566089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count); 56d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian} 57d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glColorPointerBounds(GLint size, GLenum type, GLsizei stride, 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const GLvoid *ptr, GLsizei count) { 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glColorPointer(size, type, stride, ptr); 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glNormalPointerBounds(GLenum type, GLsizei stride, 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const GLvoid *pointer, GLsizei count) { 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glNormalPointer(type, stride, pointer); 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glTexCoordPointerBounds(GLint size, GLenum type, 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project GLsizei stride, const GLvoid *pointer, GLsizei count) { 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexCoordPointer(size, type, stride, pointer); 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glVertexPointerBounds(GLint size, GLenum type, 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project GLsizei stride, const GLvoid *pointer, GLsizei count) { 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glVertexPointer(size, type, stride, pointer); 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 7566089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevichvoid GL_APIENTRY glPointSizePointerOESBounds(GLenum type, 7666089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count) { 7766089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich glPointSizePointerOES(type, stride, pointer); 7866089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich} 7966089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich 8066089a33ea4efda711a3a5180f0b001bdac48dcfJack PalevichGL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type, 8166089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count) { 8266089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich glMatrixIndexPointerOES(size, type, stride, pointer); 8366089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich} 8466089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich 8566089a33ea4efda711a3a5180f0b001bdac48dcfJack PalevichGL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type, 8666089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count) { 8766089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich glWeightPointerOES(size, type, stride, pointer); 8866089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich} 8966089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// Actual GL entry-points 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef API_ENTRY 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API_RETURN 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 987d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian#if USE_FAST_TLS_KEY && !CHECK_FOR_GL_ERRORS 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 10046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #if defined(__arm__) 10146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 102288870ebc3da8121b7a237a53280bd8b931b7a2fElliott Hughes #define GET_TLS(reg) "mrc p15, 0, " #reg ", c13, c0, 3 \n" 103673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define API_ENTRY(_api) __attribute__((naked)) _api 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API(_api, ...) \ 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project asm volatile( \ 108673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian GET_TLS(r12) \ 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "ldr r12, [r12, %[tls]] \n" \ 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "cmp r12, #0 \n" \ 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "ldrne pc, [r12, %[api]] \n" \ 1126f0871222f04dfeb479d37fe9753d491e3150e42Mathias Agopian "mov r0, #0 \n" \ 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "bx lr \n" \ 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : \ 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : [tls] "J"(TLS_SLOT_OPENGL_API*4), \ 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project [api] "J"(__builtin_offsetof(gl_hooks_t, gl._api)) \ 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : \ 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ); 119673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian 12046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #elif defined(__mips__) 12146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 12246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #define API_ENTRY(_api) __attribute__((noinline)) _api 12346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 12446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #define CALL_GL_API(_api, ...) \ 125441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _t0 asm("t0"); \ 126441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _fn asm("t1"); \ 127441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _tls asm("v1"); \ 128441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _v0 asm("v0"); \ 12946b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand asm volatile( \ 13046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set push\n\t" \ 13146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set noreorder\n\t" \ 13246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set mips32r2\n\t" \ 13346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "rdhwr %[tls], $29\n\t" \ 13446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "lw %[t0], %[OPENGL_API](%[tls])\n\t" \ 13546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "beqz %[t0], 1f\n\t" \ 13646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand " move %[fn], $ra\n\t" \ 13746b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "lw %[fn], %[API](%[t0])\n\t" \ 13846b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "movz %[fn], $ra, %[fn]\n\t" \ 13946b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "1:\n\t" \ 14046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "j %[fn]\n\t" \ 14146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand " move %[v0], $0\n\t" \ 14246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set pop\n\t" \ 143441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall : [fn] "=c"(_fn), \ 144441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall [tls] "=&r"(_tls), \ 145441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall [t0] "=&r"(_t0), \ 146441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall [v0] "=&r"(_v0) \ 14746b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand : [OPENGL_API] "I"(TLS_SLOT_OPENGL_API*4), \ 14846b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand [API] "I"(__builtin_offsetof(gl_hooks_t, gl._api)) \ 14946b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand : \ 15046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ); 15146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 15246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #else 15346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #error Unsupported architecture 15446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #endif 15546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API_RETURN(_api, ...) \ 157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project CALL_GL_API(_api, __VA_ARGS__) \ 158edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return 0; // placate gcc's warnings. never reached. 159edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 161edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1627d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #if CHECK_FOR_GL_ERRORS 1637d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1647d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #define CHECK_GL_ERRORS(_api) \ 1657d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian do { GLint err = glGetError(); \ 166e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE_IF(err != GL_NO_ERROR, "%s failed (0x%04X)", #_api, err); \ 1677d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian } while(false); 1687d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1697d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #else 1707d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1717d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #define CHECK_GL_ERRORS(_api) do { } while(false); 1727d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1737d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #endif 1747d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1757d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 176edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define API_ENTRY(_api) _api 177edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 178edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API(_api, ...) \ 179edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \ 1807d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian _c->_api(__VA_ARGS__); \ 1817d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian CHECK_GL_ERRORS(_api) 1827d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 183edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API_RETURN(_api, ...) \ 184edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \ 185edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return _c->_api(__VA_ARGS__) 186edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 187edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 188edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 189076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 190edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectextern "C" { 191edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "gl_api.in" 192b519abb606c819c446a408f422530268b21a100bMathias Agopian#include "glext_api.in" 193edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 194edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 195edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef API_ENTRY 196edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API 197edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API_RETURN 198edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 19948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian/* 20048d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * glGetString() is special because we expose some extensions in the wrapper 20148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian */ 20248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 20348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopianextern "C" const GLubyte * __glGetString(GLenum name); 20448d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 20548d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopianconst GLubyte * glGetString(GLenum name) 20648d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian{ 20748d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian const GLubyte * ret = egl_get_string_for_current_context(name); 20848d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian if (ret == NULL) { 20948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian ret = __glGetString(name); 21048d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } 21148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian return ret; 21248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian} 213