| 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 |