gl.cpp revision bbbddb83bbd3ca2032294b55c91b1023acc927ac
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 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// extensions for the framework 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 38d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopianextern "C" { 39d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias AgopianGL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride, 40d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian const GLvoid *ptr, GLsizei count); 41d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias AgopianGL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride, 42d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian const GLvoid *pointer, GLsizei count); 43d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias AgopianGL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type, 44d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian GLsizei stride, const GLvoid *pointer, GLsizei count); 45d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias AgopianGL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type, 46d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian GLsizei stride, const GLvoid *pointer, GLsizei count); 4766089a33ea4efda711a3a5180f0b001bdac48dcfJack PalevichGL_API void GL_APIENTRY glPointSizePointerOESBounds(GLenum type, 4866089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count); 4966089a33ea4efda711a3a5180f0b001bdac48dcfJack PalevichGL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type, 5066089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count); 5166089a33ea4efda711a3a5180f0b001bdac48dcfJack PalevichGL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type, 5266089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich GLsizei stride, const GLvoid *pointer, GLsizei count); 53d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian} 54d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glColorPointerBounds(GLint size, GLenum type, GLsizei stride, 5692dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn const GLvoid *ptr, GLsizei /*count*/) { 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glColorPointer(size, type, stride, ptr); 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glNormalPointerBounds(GLenum type, GLsizei stride, 6092dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn const GLvoid *pointer, GLsizei /*count*/) { 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glNormalPointer(type, stride, pointer); 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glTexCoordPointerBounds(GLint size, GLenum type, 6492dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn GLsizei stride, const GLvoid *pointer, GLsizei /*count*/) { 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexCoordPointer(size, type, stride, pointer); 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glVertexPointerBounds(GLint size, GLenum type, 6892dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn GLsizei stride, const GLvoid *pointer, GLsizei /*count*/) { 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glVertexPointer(size, type, stride, pointer); 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 7266089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevichvoid GL_APIENTRY glPointSizePointerOESBounds(GLenum type, 7392dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn GLsizei stride, const GLvoid *pointer, GLsizei /*count*/) { 7466089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich glPointSizePointerOES(type, stride, pointer); 7566089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich} 7666089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich 7766089a33ea4efda711a3a5180f0b001bdac48dcfJack PalevichGL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type, 7892dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn GLsizei stride, const GLvoid *pointer, GLsizei /*count*/) { 7966089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich glMatrixIndexPointerOES(size, type, stride, pointer); 8066089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich} 8166089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich 8266089a33ea4efda711a3a5180f0b001bdac48dcfJack PalevichGL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type, 8392dc3fc52cf097bd105460cf377779bdcf146d62Mark Salyzyn GLsizei stride, const GLvoid *pointer, GLsizei /*count*/) { 8466089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich glWeightPointerOES(size, type, stride, pointer); 8566089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich} 8666089a33ea4efda711a3a5180f0b001bdac48dcfJack Palevich 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// Actual GL entry-points 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef API_ENTRY 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API_RETURN 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 95e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian#if defined(__arm__) && !USE_SLOW_BINDING 9646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 97288870ebc3da8121b7a237a53280bd8b931b7a2fElliott Hughes #define GET_TLS(reg) "mrc p15, 0, " #reg ", c13, c0, 3 \n" 98673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian 99e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian #define API_ENTRY(_api) __attribute__((noinline)) _api 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API(_api, ...) \ 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project asm volatile( \ 103673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian GET_TLS(r12) \ 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "ldr r12, [r12, %[tls]] \n" \ 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "cmp r12, #0 \n" \ 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "ldrne pc, [r12, %[api]] \n" \ 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : \ 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : [tls] "J"(TLS_SLOT_OPENGL_API*4), \ 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project [api] "J"(__builtin_offsetof(gl_hooks_t, gl._api)) \ 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : \ 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ); 112673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian 113e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian#elif defined(__mips__) && !USE_SLOW_BINDING 11446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 11546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #define API_ENTRY(_api) __attribute__((noinline)) _api 11646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 11746b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand #define CALL_GL_API(_api, ...) \ 118441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _t0 asm("t0"); \ 119441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _fn asm("t1"); \ 120441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _tls asm("v1"); \ 121441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall register unsigned int _v0 asm("v0"); \ 12246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand asm volatile( \ 12346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set push\n\t" \ 12446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set noreorder\n\t" \ 12546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set mips32r2\n\t" \ 12646b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "rdhwr %[tls], $29\n\t" \ 12746b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "lw %[t0], %[OPENGL_API](%[tls])\n\t" \ 12846b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "beqz %[t0], 1f\n\t" \ 12946b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand " move %[fn], $ra\n\t" \ 13046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "lw %[fn], %[API](%[t0])\n\t" \ 13146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "movz %[fn], $ra, %[fn]\n\t" \ 13246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "1:\n\t" \ 13346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand "j %[fn]\n\t" \ 13446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand " move %[v0], $0\n\t" \ 13546b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ".set pop\n\t" \ 136441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall : [fn] "=c"(_fn), \ 137441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall [tls] "=&r"(_tls), \ 138441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall [t0] "=&r"(_t0), \ 139441f69463ec595ad42fdaad1bbfbb0f7a932437cJesse Hall [v0] "=&r"(_v0) \ 14046b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand : [OPENGL_API] "I"(TLS_SLOT_OPENGL_API*4), \ 14146b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand [API] "I"(__builtin_offsetof(gl_hooks_t, gl._api)) \ 14246b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand : \ 14346b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand ); 14446b4253b760916ea8f64c8c32a51ae85ec3b050eDuane Sand 145edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 146edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define API_ENTRY(_api) _api 148edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 149e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian #define CALL_GL_API(_api, ...) \ 150e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \ 151e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian if (_c) return _c->_api(__VA_ARGS__); 152edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 153edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 155e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian#define CALL_GL_API_RETURN(_api, ...) \ 156e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian CALL_GL_API(_api, __VA_ARGS__) \ 157e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian return 0; 158e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian 159076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectextern "C" { 161bbbddb83bbd3ca2032294b55c91b1023acc927acJesse Hall#pragma GCC diagnostic ignored "-Wunused-parameter" 162edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "gl_api.in" 163b519abb606c819c446a408f422530268b21a100bMathias Agopian#include "glext_api.in" 164bbbddb83bbd3ca2032294b55c91b1023acc927acJesse Hall#pragma GCC diagnostic warning "-Wunused-parameter" 165edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 166edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 167edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef API_ENTRY 168edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API 169edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API_RETURN 170edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian/* 17248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * glGetString() is special because we expose some extensions in the wrapper 17348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian */ 17448d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 17548d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopianextern "C" const GLubyte * __glGetString(GLenum name); 17648d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 177e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopianconst GLubyte * glGetString(GLenum name) { 17848d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian const GLubyte * ret = egl_get_string_for_current_context(name); 17948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian if (ret == NULL) { 180e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; 181e0ea89ceef3b0fc5f3efc5d709a8156f0628c6c8Mathias Agopian ret = _c->glGetString(name); 18248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } 18348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian return ret; 18448d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian} 185