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| Rev | Author | Line No. | Line |
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| 5564 | serge | 1 | /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| 2 | |||
| 3 | /* |
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| 4 | * Copyright (C) 2012 Rob Clark |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 11 | * Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the next |
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| 14 | * paragraph) shall be included in all copies or substantial portions of the |
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| 15 | * Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 23 | * SOFTWARE. |
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| 24 | * |
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| 25 | * Authors: |
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| 26 | * Rob Clark |
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| 27 | */ |
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| 28 | |||
| 29 | #include "util/u_inlines.h" |
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| 30 | |||
| 31 | #include "freedreno_fence.h" |
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| 32 | #include "freedreno_context.h" |
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| 33 | #include "freedreno_util.h" |
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| 34 | |||
| 35 | struct pipe_fence_handle { |
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| 36 | struct pipe_reference reference; |
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| 37 | struct fd_context *ctx; |
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| 38 | struct fd_screen *screen; |
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| 39 | uint32_t timestamp; |
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| 40 | }; |
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| 41 | |||
| 42 | void |
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| 43 | fd_screen_fence_ref(struct pipe_screen *pscreen, |
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| 44 | struct pipe_fence_handle **ptr, |
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| 45 | struct pipe_fence_handle *pfence) |
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| 46 | { |
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| 47 | if (pipe_reference(&(*ptr)->reference, &pfence->reference)) |
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| 48 | FREE(*ptr); |
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| 49 | |||
| 50 | *ptr = pfence; |
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| 51 | } |
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| 52 | |||
| 53 | /* TODO we need to spiff out libdrm_freedreno a bit to allow passing |
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| 54 | * the timeout.. and maybe a better way to check if fence has been |
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| 55 | * signaled. The current implementation is a bit lame for now to |
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| 56 | * avoid bumping libdrm version requirement. |
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| 57 | */ |
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| 58 | |||
| 59 | boolean fd_screen_fence_signalled(struct pipe_screen *screen, |
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| 60 | struct pipe_fence_handle *fence) |
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| 61 | { |
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| 62 | uint32_t timestamp = fd_ringbuffer_timestamp(fence->ctx->ring); |
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| 63 | |||
| 64 | /* TODO util helper for compare w/ rollover? */ |
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| 65 | return timestamp >= fence->timestamp; |
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| 66 | } |
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| 67 | |||
| 68 | boolean fd_screen_fence_finish(struct pipe_screen *screen, |
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| 69 | struct pipe_fence_handle *fence, |
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| 70 | uint64_t timeout) |
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| 71 | { |
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| 72 | if (fd_pipe_wait(fence->screen->pipe, fence->timestamp)) |
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| 73 | return false; |
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| 74 | |||
| 75 | return true; |
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| 76 | } |
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| 77 | |||
| 78 | struct pipe_fence_handle * fd_fence_create(struct pipe_context *pctx) |
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| 79 | { |
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| 80 | struct pipe_fence_handle *fence; |
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| 81 | struct fd_context *ctx = fd_context(pctx); |
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| 82 | |||
| 83 | fence = CALLOC_STRUCT(pipe_fence_handle); |
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| 84 | if (!fence) |
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| 85 | return NULL; |
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| 86 | |||
| 87 | pipe_reference_init(&fence->reference, 1); |
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| 88 | |||
| 89 | fence->ctx = ctx; |
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| 90 | fence->screen = ctx->screen; |
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| 91 | fence->timestamp = fd_ringbuffer_timestamp(ctx->ring); |
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| 92 | |||
| 93 | return fence; |
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| 94 | } |