gl.cpp revision 7d21a745ac7d272400af599c20e2043f22bce28d
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); 50d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian} 51d373c6348a91595dd4c0b83ad256dbf30870fa5dMathias Agopian 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glColorPointerBounds(GLint size, GLenum type, GLsizei stride, 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const GLvoid *ptr, GLsizei count) { 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glColorPointer(size, type, stride, ptr); 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glNormalPointerBounds(GLenum type, GLsizei stride, 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const GLvoid *pointer, GLsizei count) { 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glNormalPointer(type, stride, pointer); 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glTexCoordPointerBounds(GLint size, GLenum type, 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project GLsizei stride, const GLvoid *pointer, GLsizei count) { 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexCoordPointer(size, type, stride, pointer); 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid glVertexPointerBounds(GLint size, GLenum type, 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project GLsizei stride, const GLvoid *pointer, GLsizei count) { 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glVertexPointer(size, type, stride, pointer); 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// Actual GL entry-points 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// ---------------------------------------------------------------------------- 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef API_ENTRY 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API 75edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API_RETURN 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 777d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian#if USE_FAST_TLS_KEY && !CHECK_FOR_GL_ERRORS 78edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define API_ENTRY(_api) __attribute__((naked)) _api 80edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API(_api, ...) \ 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project asm volatile( \ 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "mov r12, #0xFFFF0FFF \n" \ 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "ldr r12, [r12, #-15] \n" \ 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "ldr r12, [r12, %[tls]] \n" \ 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "cmp r12, #0 \n" \ 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "ldrne pc, [r12, %[api]] \n" \ 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project "bx lr \n" \ 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : \ 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : [tls] "J"(TLS_SLOT_OPENGL_API*4), \ 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project [api] "J"(__builtin_offsetof(gl_hooks_t, gl._api)) \ 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : \ 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ); 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API_RETURN(_api, ...) \ 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project CALL_GL_API(_api, __VA_ARGS__) \ 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return 0; // placate gcc's warnings. never reached. 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#else 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1017d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #if CHECK_FOR_GL_ERRORS 1027d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1037d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #define CHECK_GL_ERRORS(_api) \ 1047d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian do { GLint err = glGetError(); \ 1057d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian LOGE_IF(err != GL_NO_ERROR, "%s failed (0x%04X)", #_api, err); \ 1067d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian } while(false); 1077d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1087d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #else 1097d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1107d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #define CHECK_GL_ERRORS(_api) do { } while(false); 1117d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1127d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian #endif 1137d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 1147d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define API_ENTRY(_api) _api 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API(_api, ...) \ 118edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \ 1197d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian _c->_api(__VA_ARGS__); \ 1207d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian CHECK_GL_ERRORS(_api) 1217d21a745ac7d272400af599c20e2043f22bce28dMathias Agopian 122edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project #define CALL_GL_API_RETURN(_api, ...) \ 123edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \ 124edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return _c->_api(__VA_ARGS__) 125edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 126edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#endif 127edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 128076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 129edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectextern "C" { 130edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "gl_api.in" 131b519abb606c819c446a408f422530268b21a100bMathias Agopian#include "glext_api.in" 132edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 133edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 134edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef API_ENTRY 135edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API 136edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#undef CALL_GL_API_RETURN 137edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 138076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 139076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian/* 140076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian * These GL calls are special because they need to EGL to retrieve some 141076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian * informations before they can execute. 142076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian */ 143076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 144076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianextern "C" void __glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image); 145076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianextern "C" void __glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image); 146076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 147076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 148076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianvoid glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image) 149076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 150076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian GLeglImageOES implImage = 151076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian (GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image); 152076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian __glEGLImageTargetTexture2DOES(target, implImage); 153076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 154076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 155076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopianvoid glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image) 156076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian{ 157076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian GLeglImageOES implImage = 158076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian (GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image); 159076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian __glEGLImageTargetRenderbufferStorageOES(target, image); 160076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian} 161076b1cc3a9b90aa5b381a1ed268ca0b548444c9bMathias Agopian 162