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61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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KVMGFX Client - A KVM Client for VGA Passthrough
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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 <stdlib.h>
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#include <stdbool.h>
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#include <stdint.h>
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typedef struct stFrameBuffer FrameBuffer;
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typedef bool (*FrameBufferReadFn)(void * opaque, const void * src, size_t size);
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/**
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* The size of the FrameBuffer struct
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*/
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extern const size_t FrameBufferStructSize;
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/**
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* Wait for the framebuffer to fill to the specified size
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*/
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void framebuffer_wait(const FrameBuffer * frame, size_t size);
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/**
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* Read data from the KVMFRFrame into the dst buffer
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*/
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bool framebuffer_read(const FrameBuffer * frame, void * dst, size_t dstpitch,
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size_t height, size_t width, size_t bpp, size_t pitch);
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/**
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* Read data from the KVMFRFrame using a callback
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*/
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bool framebuffer_read_fn(const FrameBuffer * frame, size_t height, size_t width,
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size_t bpp, size_t pitch, FrameBufferReadFn fn, void * opaque);
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/**
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* Prepare the framebuffer for writing
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*/
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void framebuffer_prepare(FrameBuffer * frame);
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/**
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* Write data from the src buffer into the KVMFRFrame
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*/
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bool framebuffer_write(FrameBuffer * frame, const void * src, size_t size);
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