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replicant-frameworks_native/opengl/libs/EGL/getProcAddress.cpp

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fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
/*
** Copyright 2009, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include <ctype.h>
#include <stdlib.h>
#include <errno.h>
#include <cutils/log.h>
fix x86 build Change-Id: I03cfbfeaeb8b13842248856b14b4a23711036e10
2011-05-24 00:26:14 +00:00
#include "egldefs.h"
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
// ----------------------------------------------------------------------------
namespace android {
// ----------------------------------------------------------------------------
#undef API_ENTRY
improve a bit the implementation of eglGetProcAddress Change-Id: Ie07f33ae2162830df1e4f3d3b5e00fcfb8c350d6
2010-08-10 01:35:43 +00:00
#undef CALL_GL_EXTENSION_API
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
#undef GL_EXTENSION
#undef GL_EXTENSION_NAME
improve a bit the implementation of eglGetProcAddress Change-Id: Ie07f33ae2162830df1e4f3d3b5e00fcfb8c350d6
2010-08-10 01:35:43 +00:00
#undef GL_EXTENSION_ARRAY
#undef GL_EXTENSION_LIST
#undef GET_TLS
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
improve GLES jumptables in the common case this saves one instructions per jump (which will help with the i-cache). this change also gets rid of the "use slow tls" option, which was useless. So at least now architectures that don't have assembly bindings will perform much better. Change-Id: I31be6c06ad2136b50ef3a1ac14682d7812ad40d2
2013-06-15 02:08:36 +00:00
#if defined(__arm__)
[MIPS] Add MIPS architecture support to opengl framework Change-Id: Id7704d35bed14d96a85dc1f29db0566cd03872b5
2013-03-27 17:58:06 +00:00
Simplify OpenGL TLS access on ARM. bionic now assumes the TLS register is available, so OpenGL can too. Change-Id: If2b56a4c08de9f887759b78f70022026a181dc47
2013-02-14 01:30:54 +00:00
#define GET_TLS(reg) "mrc p15, 0, " #reg ", c13, c0, 3 \n"
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
#define API_ENTRY(_api) __attribute__((naked)) _api
#define CALL_GL_EXTENSION_API(_api) \
asm volatile( \
GET_TLS(r12) \
"ldr r12, [r12, %[tls]] \n" \
"cmp r12, #0 \n" \
"ldrne r12, [r12, %[api]] \n" \
"cmpne r12, #0 \n" \
"bxne r12 \n" \
"bx lr \n" \
: \
: [tls] "J"(TLS_SLOT_OPENGL_API*4), \
[api] "J"(__builtin_offsetof(gl_hooks_t, \
ext.extensions[_api])) \
Add aarch64 EGL/GLES trampolines Change-Id: Ia90e18d26ff3bdb7e643aff8d77cbaddd2ac2a03
2014-05-31 06:32:12 +00:00
: "r12" \
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
);
Add aarch64 EGL/GLES trampolines Change-Id: Ia90e18d26ff3bdb7e643aff8d77cbaddd2ac2a03
2014-05-31 06:32:12 +00:00
#elif defined(__aarch64__)
#define API_ENTRY(_api) __attribute__((noinline)) _api
#define CALL_GL_EXTENSION_API(_api) \
asm volatile( \
"mrs x16, tpidr_el0\n" \
"ldr x16, [x16, %[tls]]\n" \
"cbz x16, 1f\n" \
"ldr x16, [x16, %[api]]\n" \
"cbz x16, 1f\n" \
"br x16\n" \
"1:\n" \
: \
: [tls] "i" (TLS_SLOT_OPENGL_API * sizeof(void*)), \
[api] "i" (__builtin_offsetof(gl_hooks_t, \
ext.extensions[_api])) \
: "x16" \
);
EGL: add x86/64 assembly code for EGL/GLES wrappers There was no explicit support for x86/64 architecture in EGL/GLES wrappers. This resulted either in failures or sub-optimal implementation of the wrapper functions. Change-Id: I20d99d7372fbf642ee4b94a05c8cb971cba29988 Signed-off-by: Wajdeczko, Michal <michal.wajdeczko@intel.com>
2014-05-26 11:56:37 +00:00
#elif defined(__i386__)
#define API_ENTRY(_api) __attribute__((noinline)) _api
#define CALL_GL_EXTENSION_API(_api) \
register void** fn; \
__asm__ volatile( \
"mov %%gs:0, %[fn]\n" \
"mov %P[tls](%[fn]), %[fn]\n" \
"test %[fn], %[fn]\n" \
"cmovne %P[api](%[fn]), %[fn]\n" \
"test %[fn], %[fn]\n" \
"je 1f\n" \
"jmp *%[fn]\n" \
"1:\n" \
: [fn] "=r" (fn) \
: [tls] "i" (TLS_SLOT_OPENGL_API*sizeof(void*)), \
[api] "i" (__builtin_offsetof(gl_hooks_t, \
ext.extensions[_api])) \
: "cc" \
);
#elif defined(__x86_64__)
#define API_ENTRY(_api) __attribute__((noinline)) _api
#define CALL_GL_EXTENSION_API(_api) \
register void** fn; \
__asm__ volatile( \
"mov %%fs:0, %[fn]\n" \
"mov %P[tls](%[fn]), %[fn]\n" \
"test %[fn], %[fn]\n" \
"cmovne %P[api](%[fn]), %[fn]\n" \
"test %[fn], %[fn]\n" \
"je 1f\n" \
"jmp *%[fn]\n" \
"1:\n" \
: [fn] "=r" (fn) \
: [tls] "i" (TLS_SLOT_OPENGL_API*sizeof(void*)), \
[api] "i" (__builtin_offsetof(gl_hooks_t, \
ext.extensions[_api])) \
: "cc" \
);
improve GLES jumptables in the common case this saves one instructions per jump (which will help with the i-cache). this change also gets rid of the "use slow tls" option, which was useless. So at least now architectures that don't have assembly bindings will perform much better. Change-Id: I31be6c06ad2136b50ef3a1ac14682d7812ad40d2
2013-06-15 02:08:36 +00:00
#elif defined(__mips__)
[MIPS] Add MIPS architecture support to opengl framework Change-Id: Id7704d35bed14d96a85dc1f29db0566cd03872b5
2013-03-27 17:58:06 +00:00
#define API_ENTRY(_api) __attribute__((noinline)) _api
#define CALL_GL_EXTENSION_API(_api, ...) \
Fix MIPS assembly variable names to not conflict with GL API parameter names Change-Id: I8e93fb55018de53a596cb176d48dbfdf1fd396e4
2013-03-31 06:22:19 +00:00
register unsigned int _t0 asm("t0"); \
register unsigned int _fn asm("t1"); \
register unsigned int _tls asm("v1"); \
[MIPS] Add MIPS architecture support to opengl framework Change-Id: Id7704d35bed14d96a85dc1f29db0566cd03872b5
2013-03-27 17:58:06 +00:00
asm volatile( \
".set push\n\t" \
".set noreorder\n\t" \
".set mips32r2\n\t" \
"rdhwr %[tls], $29\n\t" \
"lw %[t0], %[OPENGL_API](%[tls])\n\t" \
"beqz %[t0], 1f\n\t" \
" move %[fn], $ra\n\t" \
"lw %[fn], %[API](%[t0])\n\t" \
"movz %[fn], $ra, %[fn]\n\t" \
"1:\n\t" \
"j %[fn]\n\t" \
" nop\n\t" \
".set pop\n\t" \
Fix MIPS assembly variable names to not conflict with GL API parameter names Change-Id: I8e93fb55018de53a596cb176d48dbfdf1fd396e4
2013-03-31 06:22:19 +00:00
: [fn] "=c"(_fn), \
[tls] "=&r"(_tls), \
[t0] "=&r"(_t0) \
[MIPS] Add MIPS architecture support to opengl framework Change-Id: Id7704d35bed14d96a85dc1f29db0566cd03872b5
2013-03-27 17:58:06 +00:00
: [OPENGL_API] "I"(TLS_SLOT_OPENGL_API*4), \
[API] "I"(__builtin_offsetof(gl_hooks_t, \
ext.extensions[_api])) \
: \
);
EGL: add x86/64 assembly code for EGL/GLES wrappers There was no explicit support for x86/64 architecture in EGL/GLES wrappers. This resulted either in failures or sub-optimal implementation of the wrapper functions. Change-Id: I20d99d7372fbf642ee4b94a05c8cb971cba29988 Signed-off-by: Wajdeczko, Michal <michal.wajdeczko@intel.com>
2014-05-26 11:56:37 +00:00
improve GLES jumptables in the common case this saves one instructions per jump (which will help with the i-cache). this change also gets rid of the "use slow tls" option, which was useless. So at least now architectures that don't have assembly bindings will perform much better. Change-Id: I31be6c06ad2136b50ef3a1ac14682d7812ad40d2
2013-06-15 02:08:36 +00:00
#endif
[MIPS] Add MIPS architecture support to opengl framework Change-Id: Id7704d35bed14d96a85dc1f29db0566cd03872b5
2013-03-27 17:58:06 +00:00
improve GLES jumptables in the common case this saves one instructions per jump (which will help with the i-cache). this change also gets rid of the "use slow tls" option, which was useless. So at least now architectures that don't have assembly bindings will perform much better. Change-Id: I31be6c06ad2136b50ef3a1ac14682d7812ad40d2
2013-06-15 02:08:36 +00:00
#if defined(CALL_GL_EXTENSION_API)
improve a bit the implementation of eglGetProcAddress Change-Id: Ie07f33ae2162830df1e4f3d3b5e00fcfb8c350d6
2010-08-10 01:35:43 +00:00
#define GL_EXTENSION_NAME(_n) __glExtFwd##_n
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
#define GL_EXTENSION(_n) \
void API_ENTRY(GL_EXTENSION_NAME(_n))() { \
CALL_GL_EXTENSION_API(_n); \
}
#else
improve GLES jumptables in the common case this saves one instructions per jump (which will help with the i-cache). this change also gets rid of the "use slow tls" option, which was useless. So at least now architectures that don't have assembly bindings will perform much better. Change-Id: I31be6c06ad2136b50ef3a1ac14682d7812ad40d2
2013-06-15 02:08:36 +00:00
#define GL_EXTENSION_NAME(_n) NULL
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
improve GLES jumptables in the common case this saves one instructions per jump (which will help with the i-cache). this change also gets rid of the "use slow tls" option, which was useless. So at least now architectures that don't have assembly bindings will perform much better. Change-Id: I31be6c06ad2136b50ef3a1ac14682d7812ad40d2
2013-06-15 02:08:36 +00:00
#define GL_EXTENSION(_n)
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
improve GLES jumptables in the common case this saves one instructions per jump (which will help with the i-cache). this change also gets rid of the "use slow tls" option, which was useless. So at least now architectures that don't have assembly bindings will perform much better. Change-Id: I31be6c06ad2136b50ef3a1ac14682d7812ad40d2
2013-06-15 02:08:36 +00:00
#warning "eglGetProcAddress() partially supported"
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
#endif
add all needed GL extension wrappers when increasing MAX_NUMBER_OF_GL_EXTENSIONS to 256 we also needed to create all the corresponding wrappers. Change-Id: I90edaaf0885ccdfab48e7a1396bcf88e039cfb25
2012-01-31 01:40:29 +00:00
improve a bit the implementation of eglGetProcAddress Change-Id: Ie07f33ae2162830df1e4f3d3b5e00fcfb8c350d6
2010-08-10 01:35:43 +00:00
#define GL_EXTENSION_LIST(name) \
add all needed GL extension wrappers when increasing MAX_NUMBER_OF_GL_EXTENSIONS to 256 we also needed to create all the corresponding wrappers. Change-Id: I90edaaf0885ccdfab48e7a1396bcf88e039cfb25
2012-01-31 01:40:29 +00:00
name(0) name(1) name(2) name(3) name(4) name(5) name(6) name(7) \
name(8) name(9) name(10) name(11) name(12) name(13) name(14) name(15) \
name(16) name(17) name(18) name(19) name(20) name(21) name(22) name(23) \
name(24) name(25) name(26) name(27) name(28) name(29) name(30) name(31) \
name(32) name(33) name(34) name(35) name(36) name(37) name(38) name(39) \
name(40) name(41) name(42) name(43) name(44) name(45) name(46) name(47) \
name(48) name(49) name(50) name(51) name(52) name(53) name(54) name(55) \
name(56) name(57) name(58) name(59) name(60) name(61) name(62) name(63) \
name(64) name(65) name(66) name(67) name(68) name(69) name(70) name(71) \
name(72) name(73) name(74) name(75) name(76) name(77) name(78) name(79) \
name(80) name(81) name(82) name(83) name(84) name(85) name(86) name(87) \
name(88) name(89) name(90) name(91) name(92) name(93) name(94) name(95) \
name(96) name(97) name(98) name(99) \
name(100) name(101) name(102) name(103) name(104) name(105) name(106) name(107) \
name(108) name(109) name(110) name(111) name(112) name(113) name(114) name(115) \
name(116) name(117) name(118) name(119) name(120) name(121) name(122) name(123) \
name(124) name(125) name(126) name(127) name(128) name(129) name(130) name(131) \
name(132) name(133) name(134) name(135) name(136) name(137) name(138) name(139) \
name(140) name(141) name(142) name(143) name(144) name(145) name(146) name(147) \
name(148) name(149) name(150) name(151) name(152) name(153) name(154) name(155) \
name(156) name(157) name(158) name(159) name(160) name(161) name(162) name(163) \
name(164) name(165) name(166) name(167) name(168) name(169) name(170) name(171) \
name(172) name(173) name(174) name(175) name(176) name(177) name(178) name(179) \
name(180) name(181) name(182) name(183) name(184) name(185) name(186) name(187) \
name(188) name(189) name(190) name(191) name(192) name(193) name(194) name(195) \
name(196) name(197) name(198) name(199) \
name(200) name(201) name(202) name(203) name(204) name(205) name(206) name(207) \
name(208) name(209) name(210) name(211) name(212) name(213) name(214) name(215) \
name(216) name(217) name(218) name(219) name(220) name(221) name(222) name(223) \
name(224) name(225) name(226) name(227) name(228) name(229) name(230) name(231) \
name(232) name(233) name(234) name(235) name(236) name(237) name(238) name(239) \
name(240) name(241) name(242) name(243) name(244) name(245) name(246) name(247) \
name(248) name(249) name(250) name(251) name(252) name(253) name(254) name(255)
improve a bit the implementation of eglGetProcAddress Change-Id: Ie07f33ae2162830df1e4f3d3b5e00fcfb8c350d6
2010-08-10 01:35:43 +00:00
GL_EXTENSION_LIST( GL_EXTENSION )
#define GL_EXTENSION_ARRAY(_n) GL_EXTENSION_NAME(_n),
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
extern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS] = {
improve a bit the implementation of eglGetProcAddress Change-Id: Ie07f33ae2162830df1e4f3d3b5e00fcfb8c350d6
2010-08-10 01:35:43 +00:00
GL_EXTENSION_LIST( GL_EXTENSION_ARRAY )
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
};
improve a bit the implementation of eglGetProcAddress Change-Id: Ie07f33ae2162830df1e4f3d3b5e00fcfb8c350d6
2010-08-10 01:35:43 +00:00
#undef GET_TLS
#undef GL_EXTENSION_LIST
#undef GL_EXTENSION_ARRAY
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
#undef GL_EXTENSION_NAME
#undef GL_EXTENSION
#undef API_ENTRY
improve a bit the implementation of eglGetProcAddress Change-Id: Ie07f33ae2162830df1e4f3d3b5e00fcfb8c350d6
2010-08-10 01:35:43 +00:00
#undef CALL_GL_EXTENSION_API
fix [2421247] implement eglGetProcAddress(), needed in the ndk Change-Id: I5027a27b43c0dd449a404024087853ca05bb8e4e
2010-08-03 00:34:32 +00:00
// ----------------------------------------------------------------------------
}; // namespace android
// ----------------------------------------------------------------------------
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