/* * Copyright (c) 2018-2019 Lima Project * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sub license, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * */ #include <fcntl.h> #include <libsync.h> #include <util/u_memory.h> #include <util/u_inlines.h> #include "drm-uapi/lima_drm.h" #include "lima_screen.h" #include "lima_context.h" #include "lima_fence.h" #include "lima_submit.h" struct pipe_fence_handle { struct pipe_reference reference; int fd; }; static void lima_create_fence_fd(struct pipe_context *pctx, struct pipe_fence_handle **fence, int fd, enum pipe_fd_type type) { assert(type == PIPE_FD_TYPE_NATIVE_SYNC); *fence = lima_fence_create(fcntl(fd, F_DUPFD_CLOEXEC, 3)); } static void lima_fence_server_sync(struct pipe_context *pctx, struct pipe_fence_handle *fence) { struct lima_context *ctx = lima_context(pctx); lima_submit_add_in_sync(ctx->gp_submit, fence->fd); } void lima_fence_context_init(struct lima_context *ctx) { ctx->base.create_fence_fd = lima_create_fence_fd; ctx->base.fence_server_sync = lima_fence_server_sync; } struct pipe_fence_handle * lima_fence_create(int fd) { struct pipe_fence_handle *fence; fence = CALLOC_STRUCT(pipe_fence_handle); if (!fence) return NULL; pipe_reference_init(&fence->reference, 1); fence->fd = fd; return fence; } static int lima_fence_get_fd(struct pipe_screen *pscreen, struct pipe_fence_handle *fence) { return fcntl(fence->fd, F_DUPFD_CLOEXEC, 3); } static void lima_fence_destroy(struct pipe_fence_handle *fence) { if (fence->fd >= 0) close(fence->fd); FREE(fence); } static void lima_fence_reference(struct pipe_screen *pscreen, struct pipe_fence_handle **ptr, struct pipe_fence_handle *fence) { if (pipe_reference(&(*ptr)->reference, &fence->reference)) lima_fence_destroy(*ptr); *ptr = fence; } static boolean lima_fence_finish(struct pipe_screen *pscreen, struct pipe_context *pctx, struct pipe_fence_handle *fence, uint64_t timeout) { return !sync_wait(fence->fd, timeout / 1000000); } void lima_fence_screen_init(struct lima_screen *screen) { screen->base.fence_reference = lima_fence_reference; screen->base.fence_finish = lima_fence_finish; screen->base.fence_get_fd = lima_fence_get_fd; }