| 1 | /* |
| 2 | * Copyright (C) 2013 libhybris |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <ws.h> |
| 18 | #include <stdlib.h> |
| 19 | #include <dlfcn.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <assert.h> |
| 22 | #include <stdio.h> |
| 23 | |
| 24 | static struct ws_module *ws = NULL; |
| 25 | |
| 26 | static void _init_ws() |
| 27 | { |
| 28 | if (ws == NULL) |
| 29 | { |
| 30 | char ws_name[2048]; |
| 31 | char *egl_platform; |
| 32 | |
| 33 | // Mesa uses EGL_PLATFORM for its own purposes. |
| 34 | // Add HYBRIS_EGLPLATFORM to avoid the conflicts |
| 35 | egl_platform=getenv("HYBRIS_EGLPLATFORM"); |
| 36 | |
| 37 | if (egl_platform == NULL) |
| 38 | egl_platform=getenv("EGL_PLATFORM"); |
| 39 | |
| 40 | if (egl_platform == NULL) |
| 41 | egl_platform = DEFAULT_EGL_PLATFORM; |
| 42 | |
| 43 | snprintf(ws_name, 2048, PKGLIBDIR "eglplatform_%s.so", egl_platform); |
| 44 | |
| 45 | void *wsmod = (void *) dlopen(ws_name, RTLD_LAZY); |
| 46 | if (wsmod==NULL) |
| 47 | { |
| 48 | fprintf(stderr, "ERROR: %s\n\t%s\n", ws_name, dlerror()); |
| 49 | assert(0); |
| 50 | } |
| 51 | ws = dlsym(wsmod, "ws_module_info"); |
| 52 | assert(ws != NULL); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | |
| 57 | int ws_IsValidDisplay(EGLNativeDisplayType display) |
| 58 | { |
| 59 | _init_ws(); |
| 60 | return ws->IsValidDisplay(display); |
| 61 | } |
| 62 | |
| 63 | EGLNativeWindowType ws_CreateWindow(EGLNativeWindowType win, EGLNativeDisplayType display) |
| 64 | { |
| 65 | _init_ws(); |
| 66 | return ws->CreateWindow(win, display); |
| 67 | } |
| 68 | |
| 69 | void ws_DestroyWindow(EGLNativeWindowType win) |
| 70 | { |
| 71 | _init_ws(); |
| 72 | return ws->DestroyWindow(win); |
| 73 | } |
| 74 | |
| 75 | __eglMustCastToProperFunctionPointerType ws_eglGetProcAddress(const char *procname) |
| 76 | { |
| 77 | _init_ws(); |
| 78 | return ws->eglGetProcAddress(procname); |
| 79 | } |
| 80 | |
| 81 | void ws_passthroughImageKHR(EGLContext *ctx, EGLenum *target, EGLClientBuffer *buffer, const EGLint **attrib_list) |
| 82 | { |
| 83 | _init_ws(); |
| 84 | return ws->passthroughImageKHR(ctx, target, buffer, attrib_list); |
| 85 | } |
| 86 | |
| 87 | const char *ws_eglQueryString(EGLDisplay dpy, EGLint name, const char *(*real_eglQueryString)(EGLDisplay dpy, EGLint name)) |
| 88 | { |
| 89 | _init_ws(); |
| 90 | return ws->eglQueryString(dpy, name, real_eglQueryString); |
| 91 | } |
| 92 | |
| 93 | // vim:ts=4:sw=4:noexpandtab |