gl2.cpp revision b1a39d67be99fe6c4545b25e10ac82a5dd1df634
1b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian/* 2b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** Copyright 2007, The Android Open Source Project 3b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** 4b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** Licensed under the Apache License, Version 2.0 (the "License"); 5b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** you may not use this file except in compliance with the License. 6b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** You may obtain a copy of the License at 7b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** 8b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** http://www.apache.org/licenses/LICENSE-2.0 9b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** 10b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** Unless required by applicable law or agreed to in writing, software 11b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** distributed under the License is distributed on an "AS IS" BASIS, 12b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ** 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 23b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <GLES2/gl2.h> 24b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <GLES2/gl2ext.h> 25b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 26b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <cutils/log.h> 27b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include <cutils/properties.h> 28b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 29b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include "hooks.h" 30b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include "egl_impl.h" 31b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 32b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopianusing namespace android; 33b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 34b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian// ---------------------------------------------------------------------------- 35b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian// Actual GL entry-points 36b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian// ---------------------------------------------------------------------------- 37b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 38b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef API_ENTRY 39b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef CALL_GL_API 40b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef CALL_GL_API_RETURN 41b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 42b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#if USE_FAST_TLS_KEY 43b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 44b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian #define API_ENTRY(_api) __attribute__((naked)) _api 45b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 46b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian #define CALL_GL_API(_api, ...) \ 47b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian asm volatile( \ 48b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian "mov r12, #0xFFFF0FFF \n" \ 49b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian "ldr r12, [r12, #-15] \n" \ 50b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian "ldr r12, [r12, %[tls]] \n" \ 51b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian "cmp r12, #0 \n" \ 52b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian "ldrne pc, [r12, %[api]] \n" \ 53b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian "bx lr \n" \ 54b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian : \ 55b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian : [tls] "J"(TLS_SLOT_OPENGL_API*4), \ 56b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian [api] "J"(__builtin_offsetof(gl_hooks_t, gl2._api)) \ 57b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian : \ 58b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian ); 59b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 60b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian #define CALL_GL_API_RETURN(_api, ...) \ 61b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian CALL_GL_API(_api, __VA_ARGS__) \ 62b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian return 0; // placate gcc's warnings. never reached. 63b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 64b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#else 65b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 66b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian #define API_ENTRY(_api) _api 67b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 68b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian #define CALL_GL_API(_api, ...) \ 69b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian gl_hooks_t::gl2_t const * const _c = &getGlThreadSpecific()->gl2; \ 70b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian _c->_api(__VA_ARGS__) 71b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 72b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian #define CALL_GL_API_RETURN(_api, ...) \ 73b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian gl_hooks_t::gl2_t const * const _c = &getGlThreadSpecific()->gl2; \ 74b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian return _c->_api(__VA_ARGS__) 75b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 76b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#endif 77b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 78b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 79b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopianextern "C" { 80b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include "gl2_api.in" 81b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#include "gl2ext_api.in" 82b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian} 83b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 84b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef API_ENTRY 85b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef CALL_GL_API 86b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian#undef CALL_GL_API_RETURN 87b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 88b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 89b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian/* 90b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian * These GL calls are special because they need to EGL to retrieve some 91b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian * informations before they can execute. 92b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian */ 93b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 94b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopianextern "C" void __glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image); 95b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopianextern "C" void __glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image); 96b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 97b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 98b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopianvoid glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image) 99b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian{ 100b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian GLeglImageOES implImage = 101b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian (GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image); 102b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian __glEGLImageTargetTexture2DOES(target, implImage); 103b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian} 104b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 105b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopianvoid glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image) 106b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian{ 107b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian GLeglImageOES implImage = 108b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian (GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image); 109b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian __glEGLImageTargetRenderbufferStorageOES(target, image); 110b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian} 111b1a39d67be99fe6c4545b25e10ac82a5dd1df634Mathias Agopian 112