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102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR)
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Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#include <stdint.h>
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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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typedef enum FrameType
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{
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FRAME_TYPE_INVALID ,
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FRAME_TYPE_BGRA , // BGRA interleaved: B,G,R,A 32bpp
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FRAME_TYPE_RGBA , // RGBA interleaved: R,G,B,A 32bpp
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FRAME_TYPE_RGBA10 , // RGBA interleaved: R,G,B,A 10,10,10,2 bpp
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FRAME_TYPE_RGBA16F , // RGBA interleaved: R,G,B,A 16,16,16,16 bpp float
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FRAME_TYPE_MAX , // sentinel value
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}
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FrameType;
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typedef enum FrameRotation
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{
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FRAME_ROT_0,
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FRAME_ROT_90,
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FRAME_ROT_180,
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FRAME_ROT_270
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}
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FrameRotation;
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extern const char * FrameTypeStr[FRAME_TYPE_MAX];
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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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typedef enum CursorType
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{
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CURSOR_TYPE_COLOR ,
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CURSOR_TYPE_MONOCHROME ,
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CURSOR_TYPE_MASKED_COLOR
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}
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CursorType;
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#define KVMFR_MAGIC "KVMFR---"
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#define KVMFR_VERSION 8
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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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}
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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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FrameType type; // the frame data type
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uint32_t width; // the width
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uint32_t height; // the height
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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 mouseScalePercent; // movement scale factor of the mouse (relates to DPI of display, 100 = no scale)
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}
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KVMFRFrame;
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