gl2.cpp revision 30a41aa1ccc47de41642308a243fa5df2bfeec06
14774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall/* 2b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** Copyright 2007, The Android Open Source Project 3b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** 44774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall ** Licensed under the Apache License, Version 2.0 (the "License"); 54774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall ** you may not use this file except in compliance with the License. 64774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall ** You may obtain a copy of the License at 7b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** 84774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall ** http://www.apache.org/licenses/LICENSE-2.0 9b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** 104774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall ** Unless required by applicable law or agreed to in writing, software 114774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall ** distributed under the License is distributed on an "AS IS" BASIS, 124774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 134774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall ** See the License for the specific language governing permissions and 14b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** limitations under the License. 15b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian */ 16b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 17b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <ctype.h> 18b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <string.h> 19b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <errno.h> 20b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 21b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <sys/ioctl.h> 22b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 234774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall#include <GLES3/gl3.h> 244774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall#include <GLES3/gl3ext.h> 25b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <GLES2/gl2ext.h> 26b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 27b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <cutils/log.h> 28b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <cutils/properties.h> 29b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 3039c24a20bbc697630d2b92c251b70c04d6f9d00cMathias Agopian#include "../hooks.h" 3139c24a20bbc697630d2b92c251b70c04d6f9d00cMathias Agopian#include "../egl_impl.h" 32b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 33b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopianusing namespace android; 34b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 35b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian// ---------------------------------------------------------------------------- 36b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian// Actual GL entry-points 37b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian// ---------------------------------------------------------------------------- 38b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 39b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef API_ENTRY 40b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef CALL_GL_API 41b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef CALL_GL_API_RETURN 42b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 4330a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall#if USE_SLOW_BINDING 4430a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall 4530a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall #define API_ENTRY(_api) _api 4630a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall 4730a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall #define CALL_GL_API(_api, ...) \ 4830a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \ 4930a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall if (_c) return _c->_api(__VA_ARGS__); 5030a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall 5130a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall#elif defined(__arm__) 5246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 53288870ebc3da8121b7a237a53280bd8b931b7a2fElliott Hughes #define GET_TLS(reg) "mrc p15, 0, " #reg ", c13, c0, 3 \n" 54673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian 55e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian #define API_ENTRY(_api) __attribute__((noinline)) _api 56b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 57b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian #define CALL_GL_API(_api, ...) \ 58b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian asm volatile( \ 59673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian GET_TLS(r12) \ 60b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian "ldr r12, [r12, %[tls]] \n" \ 61b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian "cmp r12, #0 \n" \ 62b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian "ldrne pc, [r12, %[api]] \n" \ 63b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian : \ 64b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian : [tls] "J"(TLS_SLOT_OPENGL_API*4), \ 65618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian [api] "J"(__builtin_offsetof(gl_hooks_t, gl._api)) \ 6630a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall : "r12" \ 67b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ); 68673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian 6930a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall#elif defined(__aarch64__) 7030a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall 7130a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall #define API_ENTRY(_api) __attribute__((noinline)) _api 7230a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall 7330a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall #define CALL_GL_API(_api, ...) \ 7430a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall asm volatile( \ 7530a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall "mrs x16, tpidr_el0\n" \ 7630a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall "ldr x16, [x16, %[tls]]\n" \ 7730a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall "cbz x16, 1f\n" \ 7830a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall "ldr x16, [x16, %[api]]\n" \ 7930a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall "br x16\n" \ 8030a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall "1:\n" \ 8130a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall : \ 8230a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall : [tls] "i" (TLS_SLOT_OPENGL_API * sizeof(void*)), \ 8330a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall [api] "i" (__builtin_offsetof(gl_hooks_t, gl._api)) \ 8430a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall : "x16" \ 8530a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall ); 8630a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall 8730a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall#elif defined(__i386__) 88c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz 89c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz #define API_ENTRY(_api) __attribute__((noinline)) _api 90c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz 91c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz #define CALL_GL_API(_api, ...) \ 92c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz register void** fn; \ 93c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz __asm__ volatile( \ 94c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "mov %%gs:0, %[fn]\n" \ 95c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "mov %P[tls](%[fn]), %[fn]\n" \ 96c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "test %[fn], %[fn]\n" \ 97c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "je 1f\n" \ 98c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "jmp *%P[api](%[fn])\n" \ 99c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "1:\n" \ 100c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz : [fn] "=r" (fn) \ 101c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz : [tls] "i" (TLS_SLOT_OPENGL_API*sizeof(void*)), \ 102c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz [api] "i" (__builtin_offsetof(gl_hooks_t, gl._api)) \ 103c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz : "cc" \ 104c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz ); 105c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz 10630a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall#elif defined(__x86_64__) 107c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz 108c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz #define API_ENTRY(_api) __attribute__((noinline)) _api 109c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz 110c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz #define CALL_GL_API(_api, ...) \ 111c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz register void** fn; \ 112c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz __asm__ volatile( \ 113c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "mov %%fs:0, %[fn]\n" \ 114c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "mov %P[tls](%[fn]), %[fn]\n" \ 115c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "test %[fn], %[fn]\n" \ 116c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "je 1f\n" \ 117c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "jmp *%P[api](%[fn])\n" \ 118c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz "1:\n" \ 119c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz : [fn] "=r" (fn) \ 120c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz : [tls] "i" (TLS_SLOT_OPENGL_API*sizeof(void*)), \ 121c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz [api] "i" (__builtin_offsetof(gl_hooks_t, gl._api)) \ 122c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz : "cc" \ 123c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz ); 124c80aafa61d619087a879dc1095ddf1ca2a5e69fbmwajdecz 12530a41aa1ccc47de41642308a243fa5df2bfeec06Jesse Hall#elif defined(__mips__) 12646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 12746b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #define API_ENTRY(_api) __attribute__((noinline)) _api 12846b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 12946b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #define CALL_GL_API(_api, ...) \ 130441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _t0 asm("t0"); \ 131441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _fn asm("t1"); \ 132441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _tls asm("v1"); \ 133441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _v0 asm("v0"); \ 13446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand asm volatile( \ 13546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set push\n\t" \ 13646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set noreorder\n\t" \ 13746b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set mips32r2\n\t" \ 13846b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "rdhwr %[tls], $29\n\t" \ 13946b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "lw %[t0], %[OPENGL_API](%[tls])\n\t" \ 14046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "beqz %[t0], 1f\n\t" \ 14146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand " move %[fn],$ra\n\t" \ 14246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "lw %[fn], %[API](%[t0])\n\t" \ 14346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "movz %[fn], $ra, %[fn]\n\t" \ 14446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "1:\n\t" \ 14546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "j %[fn]\n\t" \ 14646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand " move %[v0], $0\n\t" \ 14746b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set pop\n\t" \ 148441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall : [fn] "=c"(_fn), \ 149441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall [tls] "=&r"(_tls), \ 150441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall [t0] "=&r"(_t0), \ 151441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall [v0] "=&r"(_v0) \ 15246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand : [OPENGL_API] "I"(TLS_SLOT_OPENGL_API*4), \ 15346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand [API] "I"(__builtin_offsetof(gl_hooks_t, gl._api)) \ 15446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand : \ 15546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ); 15646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 157b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#endif 158b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 159e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian#define CALL_GL_API_RETURN(_api, ...) \ 160e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian CALL_GL_API(_api, __VA_ARGS__) \ 161e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian return 0; 162e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian 163e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian 164b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 165b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopianextern "C" { 1664774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall#include "gl3_api.in" 167b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include "gl2ext_api.in" 1684774338bd0ad1ebe42c311fd0c72f13786b5c800Jesse Hall#include "gl3ext_api.in" 169b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian} 170b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 171b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef API_ENTRY 172b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef CALL_GL_API 173b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef CALL_GL_API_RETURN 174b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 17548d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian/* 17648d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * glGetString() is special because we expose some extensions in the wrapper 17748d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian */ 17848d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 17948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopianextern "C" const GLubyte * __glGetString(GLenum name); 18048d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 18148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopianconst GLubyte * glGetString(GLenum name) 18248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian{ 18348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian const GLubyte * ret = egl_get_string_for_current_context(name); 18448d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian if (ret == NULL) { 185e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; 186e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian ret = _c->glGetString(name); 18748d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } 18848d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian return ret; 18948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian} 190