| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef libEGL_hpp |
| #define libEGL_hpp |
| |
| #include <EGL/egl.h> |
| #include <EGL/eglext.h> |
| |
| #include "Common/SharedLibrary.hpp" |
| |
| class LibEGLexports |
| { |
| public: |
| LibEGLexports(); |
| |
| EGLint (*eglGetError)(void); |
| EGLDisplay (*eglGetDisplay)(EGLNativeDisplayType display_id); |
| EGLBoolean (*eglInitialize)(EGLDisplay dpy, EGLint *major, EGLint *minor); |
| EGLBoolean (*eglTerminate)(EGLDisplay dpy); |
| const char *(*eglQueryString)(EGLDisplay dpy, EGLint name); |
| EGLBoolean (*eglGetConfigs)(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config); |
| EGLBoolean (*eglChooseConfig)(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config); |
| EGLBoolean (*eglGetConfigAttrib)(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value); |
| EGLSurface (*eglCreateWindowSurface)(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType window, const EGLint *attrib_list); |
| EGLSurface (*eglCreatePbufferSurface)(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list); |
| EGLSurface (*eglCreatePixmapSurface)(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list); |
| EGLBoolean (*eglDestroySurface)(EGLDisplay dpy, EGLSurface surface); |
| EGLBoolean (*eglQuerySurface)(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value); |
| EGLBoolean (*eglBindAPI)(EGLenum api); |
| EGLenum (*eglQueryAPI)(void); |
| EGLBoolean (*eglWaitClient)(void); |
| EGLBoolean (*eglReleaseThread)(void); |
| EGLSurface (*eglCreatePbufferFromClientBuffer)(EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list); |
| EGLBoolean (*eglSurfaceAttrib)(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value); |
| EGLBoolean (*eglBindTexImage)(EGLDisplay dpy, EGLSurface surface, EGLint buffer); |
| EGLBoolean (*eglReleaseTexImage)(EGLDisplay dpy, EGLSurface surface, EGLint buffer); |
| EGLBoolean (*eglSwapInterval)(EGLDisplay dpy, EGLint interval); |
| EGLContext (*eglCreateContext)(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list); |
| EGLBoolean (*eglDestroyContext)(EGLDisplay dpy, EGLContext ctx); |
| EGLBoolean (*eglMakeCurrent)(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx); |
| EGLContext (*eglGetCurrentContext)(void); |
| EGLSurface (*eglGetCurrentSurface)(EGLint readdraw); |
| EGLDisplay (*eglGetCurrentDisplay)(void); |
| EGLBoolean (*eglQueryContext)(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value); |
| EGLBoolean (*eglWaitGL)(void); |
| EGLBoolean (*eglWaitNative)(EGLint engine); |
| EGLBoolean (*eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface); |
| EGLBoolean (*eglCopyBuffers)(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target); |
| EGLImageKHR (*eglCreateImageKHR)(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list); |
| EGLBoolean (*eglDestroyImageKHR)(EGLDisplay dpy, EGLImageKHR image); |
| __eglMustCastToProperFunctionPointerType (*eglGetProcAddress)(const char*); |
| EGLSyncKHR (*eglCreateSyncKHR)(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list); |
| EGLBoolean (*eglDestroySyncKHR)(EGLDisplay dpy, EGLSyncKHR sync); |
| EGLint (*eglClientWaitSyncKHR)(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout); |
| EGLBoolean (*eglGetSyncAttribKHR)(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value); |
| |
| // Functions that don't change the error code, for use by client APIs |
| egl::Context *(*clientGetCurrentContext)(); |
| }; |
| |
| class LibEGL |
| { |
| public: |
| LibEGL() |
| { |
| libEGL = nullptr; |
| libEGLexports = nullptr; |
| } |
| |
| ~LibEGL() |
| { |
| freeLibrary(libEGL); |
| } |
| |
| LibEGLexports *operator->() |
| { |
| return loadExports(); |
| } |
| |
| private: |
| LibEGLexports *loadExports() |
| { |
| if(!libEGL) |
| { |
| #if defined(_WIN32) |
| #if defined(__LP64__) |
| const char *libEGL_lib[] = {"libEGL.dll", "lib64EGL_translator.dll"}; |
| #else |
| const char *libEGL_lib[] = {"libEGL.dll", "libEGL_translator.dll"}; |
| #endif |
| #elif defined(__ANDROID__) |
| #if defined(__LP64__) |
| const char *libEGL_lib[] = {"/vendor/lib64/egl/libEGL_swiftshader.so"}; |
| #else |
| const char *libEGL_lib[] = {"/vendor/lib/egl/libEGL_swiftshader.so"}; |
| #endif |
| #elif defined(__linux__) |
| #if defined(__LP64__) |
| const char *libEGL_lib[] = {"lib64EGL_translator.so", "libEGL.so.1", "libEGL.so"}; |
| #else |
| const char *libEGL_lib[] = {"libEGL_translator.so", "libEGL.so.1", "libEGL.so"}; |
| #endif |
| #elif defined(__APPLE__) |
| #if defined(__LP64__) |
| const char *libEGL_lib[] = {"lib64EGL_translator.dylib", "libEGL.so", "libEGL.dylib"}; |
| #else |
| const char *libEGL_lib[] = {"libEGL_translator.dylib", "libEGL.so", "libEGL.dylib"}; |
| #endif |
| #else |
| #error "libEGL::loadExports unimplemented for this platform" |
| #endif |
| |
| libEGL = loadLibrary(libEGL_lib, "libEGL_swiftshader"); |
| |
| if(libEGL) |
| { |
| auto libEGL_swiftshader = (LibEGLexports *(*)())getProcAddress(libEGL, "libEGL_swiftshader"); |
| libEGLexports = libEGL_swiftshader(); |
| } |
| } |
| |
| return libEGLexports; |
| } |
| |
| void *libEGL; |
| LibEGLexports *libEGLexports; |
| }; |
| |
| #endif // libEGL_hpp |