mirror of
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115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2021 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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#ifndef _H_LG_COMMON_KVMFR_
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#define _H_LG_COMMON_KVMFR_
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "types.h"
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#define KVMFR_MAGIC "KVMFR---"
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#define KVMFR_VERSION 14
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#define KVMFR_MAX_DAMAGE_RECTS 64
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#define LGMP_Q_POINTER 1
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#define LGMP_Q_FRAME 2
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#define LGMP_Q_FRAME_LEN 2
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#define LGMP_Q_POINTER_LEN 20
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enum
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{
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CURSOR_FLAG_POSITION = 0x1,
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CURSOR_FLAG_VISIBLE = 0x2,
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CURSOR_FLAG_SHAPE = 0x4
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};
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typedef uint32_t KVMFRCursorFlags;
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enum
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{
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KVMFR_FEATURE_SETCURSORPOS = 0x1
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};
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typedef uint32_t KVMFRFeatureFlags;
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enum
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{
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KVMFR_MESSAGE_SETCURSORPOS
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};
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typedef uint32_t KVMFRMessageType;
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typedef struct KVMFR
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{
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char magic[8];
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uint32_t version;
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char hostver[32];
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KVMFRFeatureFlags features;
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}
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KVMFR;
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typedef struct KVMFRCursor
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{
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int16_t x, y; // cursor x & y position
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CursorType type; // shape buffer data type
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int8_t hx, hy; // shape hotspot x & y
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uint32_t width; // width of the shape
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uint32_t height; // height of the shape
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uint32_t pitch; // row length in bytes of the shape
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}
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KVMFRCursor;
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typedef struct KVMFRFrame
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{
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uint32_t formatVer; // the frame format version number
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uint32_t frameSerial; // the unique frame number
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FrameType type; // the frame data type
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uint32_t width; // the frame width
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uint32_t height; // the frame height
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uint32_t realHeight; // the real height if the frame was truncated due to low mem
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FrameRotation rotation; // the frame rotation
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uint32_t stride; // the row stride (zero if compressed data)
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uint32_t pitch; // the row pitch (stride in bytes or the compressed frame size)
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uint32_t offset; // offset from the start of this header to the FrameBuffer header
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uint32_t damageRectsCount; // the number of damage rectangles (zero for full-frame damage)
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FrameDamageRect damageRects[KVMFR_MAX_DAMAGE_RECTS];
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bool blockScreensaver; // whether the guest has requested to block screensavers
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}
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KVMFRFrame;
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typedef struct KVMFRMessage
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{
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KVMFRMessageType type;
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}
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KVMFRMessage;
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typedef struct KVMFRSetCursorPos
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{
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KVMFRMessage msg;
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int32_t x, y;
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}
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KVMFRSetCursorPos;
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#endif
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