gl.cpp revision 48d438d05f14c2f4bd83ae89f520368cd49122df
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 29edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "hooks.h" 30076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias 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 100673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian #ifdef HAVE_ARM_TLS_REGISTER 101673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian #define GET_TLS(reg) \ 102673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian "mrc p15, 0, " #reg ", c13, c0, 3 \n" 103673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian #else 104673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian #define GET_TLS(reg) \ 105673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian "mov " #reg ", #0xFFFF0FFF \n" \ 106673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian "ldr " #reg ", [" #reg ", #-15] \n" 107673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian #endif 108673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define API_ENTRY(_api) __attribute__((naked)) _api 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API(_api, ...) \ 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project asm volatile( \ 113673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian GET_TLS(r12) \ 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "ldr r12, [r12, %[tls]] \n" \ 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "cmp r12, #0 \n" \ 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "ldrne pc, [r12, %[api]] \n" \ 1176f0871222f04dfeb479d37fe9753d491e3150e42Mathias Agopian "mov r0, #0 \n" \ 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "bx lr \n" \ 119edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : \ 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : [tls] "J"(TLS_SLOT_OPENGL_API*4), \ 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project [api] "J"(__builtin_offsetof(gl_hooks_t, gl._api)) \ 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : \ 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ); 124673d2dbaae647abc58b08de873fd364f0b2fa3f5Mathias Agopian 125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API_RETURN(_api, ...) \ 126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project CALL_GL_API(_api, __VA_ARGS__) \ 127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return 0; // placate gcc's warnings. never reached. 128edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 129edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1317d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #if CHECK_FOR_GL_ERRORS 1327d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1337d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #define CHECK_GL_ERRORS(_api) \ 1347d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian do { GLint err = glGetError(); \ 135e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE_IF(err != GL_NO_ERROR, "%s failed (0x%04X)", #_api, err); \ 1367d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian } while(false); 1377d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1387d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #else 1397d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1407d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #define CHECK_GL_ERRORS(_api) do { } while(false); 1417d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1427d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #endif 1437d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1447d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 145edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define API_ENTRY(_api) _api 146edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 147edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API(_api, ...) \ 148edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \ 1497d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian _c->_api(__VA_ARGS__); \ 1507d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian CHECK_GL_ERRORS(_api) 1517d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 152edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API_RETURN(_api, ...) \ 153edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \ 154edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return _c->_api(__VA_ARGS__) 155edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 156edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 157edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 158076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 159edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectextern "C" { 160edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "gl_api.in" 161b519abb606c819c446a408f422530268b21a100bMathias Agopian#include "glext_api.in" 162edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 163edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 164edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef API_ENTRY 165edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API 166edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API_RETURN 167edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 16848d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian/* 16948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * glGetString() is special because we expose some extensions in the wrapper 17048d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian */ 17148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 17248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopianextern "C" const GLubyte * __glGetString(GLenum name); 17348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 17448d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopianconst GLubyte * glGetString(GLenum name) 17548d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian{ 17648d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian const GLubyte * ret = egl_get_string_for_current_context(name); 17748d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian if (ret == NULL) { 17848d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian ret = __glGetString(name); 17948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } 18048d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian return ret; 18148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian} 182076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 183076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian/* 184076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian * These GL calls are special because they need to EGL to retrieve some 185076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian * informations before they can execute. 186076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian */ 187076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 188076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianextern "C" void __glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image); 189076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianextern "C" void __glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image); 190076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 191076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 192076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianvoid glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image) 193076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 194076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian GLeglImageOES implImage = 195076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian (GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image); 196076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian __glEGLImageTargetTexture2DOES(target, implImage); 197076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 198076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 199076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianvoid glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image) 200076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 201076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian GLeglImageOES implImage = 202076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian (GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image); 2038fb47ec10e7f4dad630fcac4ed47d243d4f33375Mathias Agopian __glEGLImageTargetRenderbufferStorageOES(target, implImage); 204076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 205076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 206