getProcAddress.cpp revision 46b4253b760916ea8f64c8c32a51ae85ec3b050e
124035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian/* 224035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** Copyright 2009, The Android Open Source Project 324035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** 424035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** Licensed under the Apache License, Version 2.0 (the "License"); 524035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** you may not use this file except in compliance with the License. 624035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** You may obtain a copy of the License at 724035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** 824035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** http://www.apache.org/licenses/LICENSE-2.0 924035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** 1024035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** Unless required by applicable law or agreed to in writing, software 1124035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** distributed under the License is distributed on an "AS IS" BASIS, 1224035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1324035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** See the License for the specific language governing permissions and 1424035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ** limitations under the License. 1524035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian */ 1624035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 1724035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#include <ctype.h> 1824035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#include <stdlib.h> 1924035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#include <errno.h> 2024035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 2124035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#include <cutils/log.h> 2224035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 231cadb25da1ed875bdd078270e642966724a0c39aMathias Agopian#include "egldefs.h" 2424035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#include "hooks.h" 2524035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 2624035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian// ---------------------------------------------------------------------------- 2724035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopiannamespace android { 2824035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian// ---------------------------------------------------------------------------- 2924035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 3024035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#undef API_ENTRY 317f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian#undef CALL_GL_EXTENSION_API 3224035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#undef GL_EXTENSION 3324035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#undef GL_EXTENSION_NAME 347f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian#undef GL_EXTENSION_ARRAY 357f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian#undef GL_EXTENSION_LIST 367f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian#undef GET_TLS 3724035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 381cadb25da1ed875bdd078270e642966724a0c39aMathias Agopian#if USE_FAST_TLS_KEY 3924035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 4046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #if defined(__arm__) 4146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 42288870ebc3da8121b7a237a53280bd8b931b7a2fElliott Hughes #define GET_TLS(reg) "mrc p15, 0, " #reg ", c13, c0, 3 \n" 4324035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 4424035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian #define API_ENTRY(_api) __attribute__((naked)) _api 4524035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 4624035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian #define CALL_GL_EXTENSION_API(_api) \ 4724035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian asm volatile( \ 4824035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian GET_TLS(r12) \ 4924035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian "ldr r12, [r12, %[tls]] \n" \ 5024035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian "cmp r12, #0 \n" \ 5124035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian "ldrne r12, [r12, %[api]] \n" \ 5224035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian "cmpne r12, #0 \n" \ 5324035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian "bxne r12 \n" \ 5424035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian "bx lr \n" \ 5524035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian : \ 5624035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian : [tls] "J"(TLS_SLOT_OPENGL_API*4), \ 5724035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian [api] "J"(__builtin_offsetof(gl_hooks_t, \ 5824035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ext.extensions[_api])) \ 5924035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian : \ 6024035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian ); 6124035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 6246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #elif defined(__mips__) 6346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 6446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #define API_ENTRY(_api) __attribute__((noinline)) _api 6546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 6646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #define CALL_GL_EXTENSION_API(_api, ...) \ 6746b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand register unsigned int t0 asm("t0"); \ 6846b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand register unsigned int fn asm("t1"); \ 6946b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand register unsigned int tls asm("v1"); \ 7046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand asm volatile( \ 7146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set push\n\t" \ 7246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set noreorder\n\t" \ 7346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set mips32r2\n\t" \ 7446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "rdhwr %[tls], $29\n\t" \ 7546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "lw %[t0], %[OPENGL_API](%[tls])\n\t" \ 7646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "beqz %[t0], 1f\n\t" \ 7746b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand " move %[fn], $ra\n\t" \ 7846b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "lw %[fn], %[API](%[t0])\n\t" \ 7946b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "movz %[fn], $ra, %[fn]\n\t" \ 8046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "1:\n\t" \ 8146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "j %[fn]\n\t" \ 8246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand " nop\n\t" \ 8346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set pop\n\t" \ 8446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand : [fn] "=c"(fn), \ 8546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand [tls] "=&r"(tls), \ 8646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand [t0] "=&r"(t0) \ 8746b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand : [OPENGL_API] "I"(TLS_SLOT_OPENGL_API*4), \ 8846b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand [API] "I"(__builtin_offsetof(gl_hooks_t, \ 8946b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ext.extensions[_api])) \ 9046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand : \ 9146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ); 9246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 9346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #else 9446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #error Unsupported architecture 9546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #endif 9646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 977f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian #define GL_EXTENSION_NAME(_n) __glExtFwd##_n 9824035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 9924035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian #define GL_EXTENSION(_n) \ 10024035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian void API_ENTRY(GL_EXTENSION_NAME(_n))() { \ 10124035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian CALL_GL_EXTENSION_API(_n); \ 10224035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian } 10324035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 10424035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 10524035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#else 10624035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 10724035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian #define GL_EXTENSION_NAME(_n) NULL 10824035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 10924035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian #define GL_EXTENSION(_n) 11024035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 1111cadb25da1ed875bdd078270e642966724a0c39aMathias Agopian #warning "eglGetProcAddress() partially supported" 11224035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 11324035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#endif 11424035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 115a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian 1167f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian#define GL_EXTENSION_LIST(name) \ 117a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(0) name(1) name(2) name(3) name(4) name(5) name(6) name(7) \ 118a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(8) name(9) name(10) name(11) name(12) name(13) name(14) name(15) \ 119a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(16) name(17) name(18) name(19) name(20) name(21) name(22) name(23) \ 120a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(24) name(25) name(26) name(27) name(28) name(29) name(30) name(31) \ 121a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(32) name(33) name(34) name(35) name(36) name(37) name(38) name(39) \ 122a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(40) name(41) name(42) name(43) name(44) name(45) name(46) name(47) \ 123a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(48) name(49) name(50) name(51) name(52) name(53) name(54) name(55) \ 124a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(56) name(57) name(58) name(59) name(60) name(61) name(62) name(63) \ 125a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(64) name(65) name(66) name(67) name(68) name(69) name(70) name(71) \ 126a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(72) name(73) name(74) name(75) name(76) name(77) name(78) name(79) \ 127a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(80) name(81) name(82) name(83) name(84) name(85) name(86) name(87) \ 128a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(88) name(89) name(90) name(91) name(92) name(93) name(94) name(95) \ 129a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(96) name(97) name(98) name(99) \ 130a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(100) name(101) name(102) name(103) name(104) name(105) name(106) name(107) \ 131a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(108) name(109) name(110) name(111) name(112) name(113) name(114) name(115) \ 132a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(116) name(117) name(118) name(119) name(120) name(121) name(122) name(123) \ 133a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(124) name(125) name(126) name(127) name(128) name(129) name(130) name(131) \ 134a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(132) name(133) name(134) name(135) name(136) name(137) name(138) name(139) \ 135a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(140) name(141) name(142) name(143) name(144) name(145) name(146) name(147) \ 136a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(148) name(149) name(150) name(151) name(152) name(153) name(154) name(155) \ 137a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(156) name(157) name(158) name(159) name(160) name(161) name(162) name(163) \ 138a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(164) name(165) name(166) name(167) name(168) name(169) name(170) name(171) \ 139a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(172) name(173) name(174) name(175) name(176) name(177) name(178) name(179) \ 140a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(180) name(181) name(182) name(183) name(184) name(185) name(186) name(187) \ 141a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(188) name(189) name(190) name(191) name(192) name(193) name(194) name(195) \ 142a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(196) name(197) name(198) name(199) \ 143a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(200) name(201) name(202) name(203) name(204) name(205) name(206) name(207) \ 144a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(208) name(209) name(210) name(211) name(212) name(213) name(214) name(215) \ 145a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(216) name(217) name(218) name(219) name(220) name(221) name(222) name(223) \ 146a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(224) name(225) name(226) name(227) name(228) name(229) name(230) name(231) \ 147a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(232) name(233) name(234) name(235) name(236) name(237) name(238) name(239) \ 148a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(240) name(241) name(242) name(243) name(244) name(245) name(246) name(247) \ 149a6d86e5ea748a7bcde4ff30b0b1f882dca36a8f3Mathias Agopian name(248) name(249) name(250) name(251) name(252) name(253) name(254) name(255) 1507f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian 1517f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian 1527f781d155221c4067c93f85b4153c204423f49f2Mathias AgopianGL_EXTENSION_LIST( GL_EXTENSION ) 1537f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian 1547f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian#define GL_EXTENSION_ARRAY(_n) GL_EXTENSION_NAME(_n), 15524035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 15624035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopianextern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS] = { 1577f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian GL_EXTENSION_LIST( GL_EXTENSION_ARRAY ) 15824035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian }; 15924035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 1607f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian#undef GET_TLS 1617f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian#undef GL_EXTENSION_LIST 1627f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian#undef GL_EXTENSION_ARRAY 16324035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#undef GL_EXTENSION_NAME 16424035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#undef GL_EXTENSION 16524035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian#undef API_ENTRY 1667f781d155221c4067c93f85b4153c204423f49f2Mathias Agopian#undef CALL_GL_EXTENSION_API 16724035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 16824035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian// ---------------------------------------------------------------------------- 16924035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian}; // namespace android 17024035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian// ---------------------------------------------------------------------------- 17124035338ed6329e4d85fb00cf99a91e2cdd55ba5Mathias Agopian 172