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d42e7319 JB |
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 |