diff --git a/include/render/egl.h b/include/render/egl.h index 0765cce7..103ab57d 100644 --- a/include/render/egl.h +++ b/include/render/egl.h @@ -38,6 +38,10 @@ struct wlr_egl { PFNEGLQUERYDISPLAYATTRIBEXTPROC eglQueryDisplayAttribEXT; PFNEGLQUERYDEVICESTRINGEXTPROC eglQueryDeviceStringEXT; PFNEGLQUERYDEVICESEXTPROC eglQueryDevicesEXT; + PFNEGLCREATESYNCKHRPROC eglCreateSyncKHR; + PFNEGLDESTROYSYNCKHRPROC eglDestroySyncKHR; + PFNEGLDUPNATIVEFENCEFDANDROIDPROC eglDupNativeFenceFDANDROID; + PFNEGLWAITSYNCKHRPROC eglWaitSyncKHR; } procs; bool has_modifiers; @@ -105,4 +109,12 @@ bool wlr_egl_make_current(struct wlr_egl *egl, struct wlr_egl_context *save_cont bool wlr_egl_unset_current(struct wlr_egl *egl); +EGLSyncKHR wlr_egl_create_sync(struct wlr_egl *egl, int fence_fd); + +void wlr_egl_destroy_sync(struct wlr_egl *egl, EGLSyncKHR sync); + +int wlr_egl_dup_fence_fd(struct wlr_egl *egl, EGLSyncKHR sync); + +bool wlr_egl_wait_sync(struct wlr_egl *egl, EGLSyncKHR sync); + #endif diff --git a/render/egl.c b/render/egl.c index 19868ca8..ce0c95d9 100644 --- a/render/egl.c +++ b/render/egl.c @@ -348,6 +348,18 @@ static bool egl_init_display(struct wlr_egl *egl, EGLDisplay display) { return false; } + if (check_egl_ext(display_exts_str, "EGL_KHR_fence_sync") && + check_egl_ext(display_exts_str, "EGL_ANDROID_native_fence_sync")) { + load_egl_proc(&egl->procs.eglCreateSyncKHR, "eglCreateSyncKHR"); + load_egl_proc(&egl->procs.eglDestroySyncKHR, "eglDestroySyncKHR"); + load_egl_proc(&egl->procs.eglDupNativeFenceFDANDROID, + "eglDupNativeFenceFDANDROID"); + } + + if (check_egl_ext(display_exts_str, "EGL_KHR_wait_sync")) { + load_egl_proc(&egl->procs.eglWaitSyncKHR, "eglWaitSyncKHR"); + } + egl->exts.IMG_context_priority = check_egl_ext(display_exts_str, "EGL_IMG_context_priority"); @@ -1014,3 +1026,65 @@ int wlr_egl_dup_drm_fd(struct wlr_egl *egl) { } return fd; } + +EGLSyncKHR wlr_egl_create_sync(struct wlr_egl *egl, int fence_fd) { + if (!egl->procs.eglCreateSyncKHR) { + return EGL_NO_SYNC_KHR; + } + + EGLint attribs[3] = { EGL_NONE }; + int dup_fd = -1; + if (fence_fd >= 0) { + dup_fd = fcntl(fence_fd, F_DUPFD_CLOEXEC, 0); + if (dup_fd < 0) { + wlr_log_errno(WLR_ERROR, "dup failed"); + return EGL_NO_SYNC_KHR; + } + + attribs[0] = EGL_SYNC_NATIVE_FENCE_FD_ANDROID; + attribs[1] = dup_fd; + attribs[2] = EGL_NONE; + } + + EGLSyncKHR sync = egl->procs.eglCreateSyncKHR(egl->display, + EGL_SYNC_NATIVE_FENCE_ANDROID, attribs); + if (sync == EGL_NO_SYNC_KHR) { + wlr_log(WLR_ERROR, "eglCreateSyncKHR failed"); + if (dup_fd >= 0) { + close(dup_fd); + } + } + return sync; +} + +void wlr_egl_destroy_sync(struct wlr_egl *egl, EGLSyncKHR sync) { + if (sync == EGL_NO_SYNC_KHR) { + return; + } + assert(egl->procs.eglDestroySyncKHR); + if (egl->procs.eglDestroySyncKHR(egl->display, sync) != EGL_TRUE) { + wlr_log(WLR_ERROR, "eglDestroySyncKHR failed"); + } +} + +int wlr_egl_dup_fence_fd(struct wlr_egl *egl, EGLSyncKHR sync) { + if (!egl->procs.eglDupNativeFenceFDANDROID) { + return -1; + } + + int fd = egl->procs.eglDupNativeFenceFDANDROID(egl->display, sync); + if (fd == EGL_NO_NATIVE_FENCE_FD_ANDROID) { + wlr_log(WLR_ERROR, "eglDupNativeFenceFDANDROID failed"); + return -1; + } + + return fd; +} + +bool wlr_egl_wait_sync(struct wlr_egl *egl, EGLSyncKHR sync) { + if (egl->procs.eglWaitSyncKHR(egl->display, sync, 0) != EGL_TRUE) { + wlr_log(WLR_ERROR, "eglWaitSyncKHR failed"); + return false; + } + return true; +}