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looking-glass/client/renderers/EGL/desktop.h

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[client] egl: moved desktop rendering into seperate unit
2018-12-12 10:41:51 +00:00
/*
Looking Glass - KVM FrameRelay (KVMFR) Client
[all] update copyright dates
2019-02-22 11:16:14 +00:00
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
[client] egl: moved desktop rendering into seperate unit
2018-12-12 10:41:51 +00:00
https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include <stdbool.h>
[client] project restructure part 1/2
2019-03-28 00:02:36 +00:00
#include "interface/renderer.h"
[client] egl: moved desktop rendering into seperate unit
2018-12-12 10:41:51 +00:00
typedef struct EGL_Desktop EGL_Desktop;
[client] egl: add framework for multiple scaling algorithms This commit fixes the issues with the meaning of useNearest being flipped by removing the variable and use enumerations. We define an enumeration EGL_DesktopScaleType to express the type of scaling needed to be performed: no scaling, upscaling, or downscaling. This is updated when either the frame size or the viewport size changes. Previously, we only updated the useNearest when the frame size changes. The desktop shader can now support an enumeration of scaling algorithms, although only nearest and linear are currently implemented. Like before, nearest is used when not scaling or upscaling, and linear is used when downscaling.
2021-02-21 00:50:59 +00:00
enum EGL_DesktopScaleType
{
EGL_DESKTOP_NOSCALE,
EGL_DESKTOP_UPSCALE,
EGL_DESKTOP_DOWNSCALE,
};
[client] egl: added DMA texture support for direct upload Note: This only works with the KVMFR kernel module in a VM->VM configuration. If this causes issues it can be disabled with the new option `app:allowDMA`
2020-10-29 15:32:25 +00:00
bool egl_desktop_init(EGL_Desktop ** desktop, EGLDisplay * display);
[client] egl: moved desktop rendering into seperate unit
2018-12-12 10:41:51 +00:00
void egl_desktop_free(EGL_Desktop ** desktop);
[client] egl: added DMA texture support for direct upload Note: This only works with the KVMFR kernel module in a VM->VM configuration. If this causes issues it can be disabled with the new option `app:allowDMA`
2020-10-29 15:32:25 +00:00
bool egl_desktop_setup (EGL_Desktop * desktop, const LG_RendererFormat format, bool useDMA);
bool egl_desktop_update(EGL_Desktop * desktop, const FrameBuffer * frame, int dmaFd);
[client] all: properly support guest rotation If the guest has it's output rotated (ie, landscape) we must rotate and translate the pointer draw location, as well as all the translations of cursor coordinate spaces based on the rotation, along with any local rotations that may also be applied.
2021-01-18 15:44:56 +00:00
bool egl_desktop_render(EGL_Desktop * desktop, const float x, const float y,
[client] egl: add framework for multiple scaling algorithms This commit fixes the issues with the meaning of useNearest being flipped by removing the variable and use enumerations. We define an enumeration EGL_DesktopScaleType to express the type of scaling needed to be performed: no scaling, upscaling, or downscaling. This is updated when either the frame size or the viewport size changes. Previously, we only updated the useNearest when the frame size changes. The desktop shader can now support an enumeration of scaling algorithms, although only nearest and linear are currently implemented. Like before, nearest is used when not scaling or upscaling, and linear is used when downscaling.
2021-02-21 00:50:59 +00:00
const float scaleX, const float scaleY, enum EGL_DesktopScaleType scaleType,
[client] all: properly support guest rotation If the guest has it's output rotated (ie, landscape) we must rotate and translate the pointer draw location, as well as all the translations of cursor coordinate spaces based on the rotation, along with any local rotations that may also be applied.
2021-01-18 15:44:56 +00:00
LG_RendererRotate rotate);
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