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d42e7319 JB |
1 | #include <ws.h> |
2 | #include "hwcomposer_window.h" | |
3 | #include <malloc.h> | |
4 | #include <assert.h> | |
5 | #include <fcntl.h> | |
6 | #include <stdio.h> | |
7 | #include <sys/stat.h> | |
8 | #include <unistd.h> | |
9 | #include <assert.h> | |
10 | extern "C" { | |
11 | #include <eglplatformcommon.h> | |
12 | }; | |
13 | ||
14 | #include "logging.h" | |
15 | ||
16 | static int inited = 0; | |
17 | static gralloc_module_t *gralloc = 0; | |
18 | static alloc_device_t *alloc = 0; | |
19 | static HWComposerNativeWindow *_nativewindow = NULL; | |
20 | ||
21 | extern "C" int hwcomposerws_IsValidDisplay(EGLNativeDisplayType display) | |
22 | { | |
23 | if (__sync_fetch_and_add(&inited,1)==0) | |
24 | { | |
25 | int err; | |
26 | err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, (const hw_module_t **) &gralloc); | |
27 | if (gralloc==NULL) { | |
28 | fprintf(stderr, "failed to get gralloc module: (%s)\n",strerror(-err)); | |
29 | assert(0); | |
30 | } | |
31 | ||
32 | err = gralloc_open((const hw_module_t *) gralloc, &alloc); | |
33 | if (err) { | |
34 | fprintf(stderr, "ERROR: failed to open gralloc: (%s)\n",strerror(-err)); | |
35 | assert(0); | |
36 | } | |
37 | TRACE("** gralloc_open %p status=%s", gralloc, strerror(-err)); | |
38 | eglplatformcommon_init(gralloc, alloc); | |
39 | } | |
40 | ||
41 | return display == EGL_DEFAULT_DISPLAY; | |
42 | } | |
43 | ||
44 | extern "C" EGLNativeWindowType hwcomposerws_CreateWindow(EGLNativeWindowType win, EGLNativeDisplayType display) | |
45 | { | |
46 | assert (inited >= 1); | |
47 | assert (_nativewindow == NULL); | |
48 | ||
49 | HWComposerNativeWindow *window = static_cast<HWComposerNativeWindow *>((ANativeWindow *) win); | |
50 | window->setup(gralloc, alloc); | |
51 | _nativewindow = window; | |
52 | _nativewindow->common.incRef(&_nativewindow->common); | |
53 | return (EGLNativeWindowType) static_cast<struct ANativeWindow *>(_nativewindow); | |
54 | } | |
55 | ||
56 | extern "C" void hwcomposerws_DestroyWindow(EGLNativeWindowType win) | |
57 | { | |
58 | assert (_nativewindow != NULL); | |
59 | assert (static_cast<HWComposerNativeWindow *>((struct ANativeWindow *)win) == _nativewindow); | |
60 | ||
61 | _nativewindow->common.decRef(&_nativewindow->common); | |
62 | /* We are done with it, refcounting will delete the window when appropriate */ | |
63 | _nativewindow = NULL; | |
64 | } | |
65 | ||
66 | extern "C" __eglMustCastToProperFunctionPointerType hwcomposerws_eglGetProcAddress(const char *procname) | |
67 | { | |
68 | return eglplatformcommon_eglGetProcAddress(procname); | |
69 | } | |
70 | ||
71 | extern "C" void hwcomposerws_passthroughImageKHR(EGLContext *ctx, EGLenum *target, EGLClientBuffer *buffer, const EGLint **attrib_list) | |
72 | { | |
73 | eglplatformcommon_passthroughImageKHR(ctx, target, buffer, attrib_list); | |
74 | } | |
75 | ||
76 | struct ws_module ws_module_info = { | |
77 | hwcomposerws_IsValidDisplay, | |
78 | hwcomposerws_CreateWindow, | |
79 | hwcomposerws_DestroyWindow, | |
80 | hwcomposerws_eglGetProcAddress, | |
81 | hwcomposerws_passthroughImageKHR, | |
82 | eglplatformcommon_eglQueryString | |
83 | }; | |
84 | ||
85 | // vim:ts=4:sw=4:noexpandtab |