cmd2d.h File Reference

#include <stdint.h>
#include <Drivers/virtio.h>
#include "virtiogpu.h"

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Functions
void	virtio_cmd2d_create (int resource_id, int width, int height)
	virtio_cmd2d_create2d – create a 2d resource
void	virt_gpu_transfer_to_host2d (VirtioCommonCfg *cfg, int resource_id, int x, int y, int w, int h)
	virt_gpu_transfer_to_host2d – transfer buffers from guest to host
void	virt_gpu_flush_rect (VirtioCommonCfg *cfg, int resource_id, int x, int y, int w, int h)
	virt_gpu_flush_rect – flush graphics from guest to host only with given rect area

Detailed Description

BSD 2-Clause License

Copyright (c) 2022-2026, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Function Documentation

virt_gpu_flush_rect()

void virt_gpu_flush_rect ( VirtioCommonCfg *  cfg, int  resource_id, int  x, int  y, int  w, int  h  )

extern

virt_gpu_flush_rect – flush graphics from guest to host only with given rect area

Parameters

cfg	– pointer to virtio common config
resource_id	– screen resource id

virt_gpu_transfer_to_host2d()

void virt_gpu_transfer_to_host2d ( VirtioCommonCfg *  cfg, int  resource_id, int  x, int  y, int  w, int  h  )

extern

virt_gpu_transfer_to_host2d – transfer buffers from guest to host

Parameters

cfg	– Pointer to virtio common config
resource_id	– screen resource id
x	– X coord of the rect
y	– Y coord of the rect
w	– Width of the rect
h	– Height of the rect

virtio_cmd2d_create()

void virtio_cmd2d_create ( int  resource_id, int  width, int  height  )

extern

virtio_cmd2d_create2d – create a 2d resource

Parameters

resource_id	– user defined resource id value
width	– width of the resource in pixel
height	– height of the resource in pixel