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88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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enum : unsigned
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{
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FRAME_MAX_SINKS = 8,
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FRAME_BATCHES = 3,
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FRAME_SINK_BUFFERS = 3,
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FRAME_BUFFER_RESOURCES = FRAME_MAX_SINKS * FRAME_SINK_BUFFERS,
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};
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struct FrameToken
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{
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uint32_t backend = 0;
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uint32_t epoch = 0;
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uint32_t slot = 0;
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uint64_t serial = 0;
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};
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enum class FrameFill
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{
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READY,
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PENDING,
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REJECTED,
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};
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enum class FrameDone
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{
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READY,
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FAILED,
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SUPERSEDED,
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};
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struct PreparedFrameBuffer
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{
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FrameToken token;
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unsigned resourceSlot = 0;
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uint8_t * mem = nullptr;
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uint64_t heapOffset = 0;
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size_t capacity = 0;
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bool direct = false;
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bool fullCopy = false;
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};
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struct FrameBatchToken
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{
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uint32_t slot = 0;
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uint64_t serial = 0;
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};
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struct PreparedFrameBatch
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{
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FrameBatchToken token;
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PreparedFrameBuffer targets[FRAME_MAX_SINKS] = {};
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unsigned count = 0;
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};
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struct SinkTarget
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{
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unsigned slot = 0;
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uint8_t * mem = nullptr;
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uint64_t heapOffset = 0;
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size_t capacity = 0;
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bool fullCopy = false;
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};
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