| 0,0 → 1,94 |
|---|
| /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| |
| /* |
| * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> |
| * |
| * 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, sublicense, |
| * 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 NONINFRINGEMENT. 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. |
| * |
| * Authors: |
| * Rob Clark <robclark@freedesktop.org> |
| */ |
| |
| #include "util/u_inlines.h" |
| |
| #include "freedreno_fence.h" |
| #include "freedreno_context.h" |
| #include "freedreno_util.h" |
| |
| struct pipe_fence_handle { |
| struct pipe_reference reference; |
| struct fd_context *ctx; |
| struct fd_screen *screen; |
| uint32_t timestamp; |
| }; |
| |
| void |
| fd_screen_fence_ref(struct pipe_screen *pscreen, |
| struct pipe_fence_handle **ptr, |
| struct pipe_fence_handle *pfence) |
| { |
| if (pipe_reference(&(*ptr)->reference, &pfence->reference)) |
| FREE(*ptr); |
| |
| *ptr = pfence; |
| } |
| |
| /* TODO we need to spiff out libdrm_freedreno a bit to allow passing |
| * the timeout.. and maybe a better way to check if fence has been |
| * signaled. The current implementation is a bit lame for now to |
| * avoid bumping libdrm version requirement. |
| */ |
| |
| boolean fd_screen_fence_signalled(struct pipe_screen *screen, |
| struct pipe_fence_handle *fence) |
| { |
| uint32_t timestamp = fd_ringbuffer_timestamp(fence->ctx->ring); |
| |
| /* TODO util helper for compare w/ rollover? */ |
| return timestamp >= fence->timestamp; |
| } |
| |
| boolean fd_screen_fence_finish(struct pipe_screen *screen, |
| struct pipe_fence_handle *fence, |
| uint64_t timeout) |
| { |
| if (fd_pipe_wait(fence->screen->pipe, fence->timestamp)) |
| return false; |
| |
| return true; |
| } |
| |
| struct pipe_fence_handle * fd_fence_create(struct pipe_context *pctx) |
| { |
| struct pipe_fence_handle *fence; |
| struct fd_context *ctx = fd_context(pctx); |
| |
| fence = CALLOC_STRUCT(pipe_fence_handle); |
| if (!fence) |
| return NULL; |
| |
| pipe_reference_init(&fence->reference, 1); |
| |
| fence->ctx = ctx; |
| fence->screen = ctx->screen; |
| fence->timestamp = fd_ringbuffer_timestamp(ctx->ring); |
| |
| return fence; |
| } |