mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-12-24 06:41:46 +00:00
4f9544d61d
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`
129 lines
4.4 KiB
C
129 lines
4.4 KiB
C
/*
|
|
Looking Glass - KVM FrameRelay (KVMFR) Client
|
|
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
|
|
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 <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#include <SDL2/SDL.h>
|
|
#include <SDL2/SDL_ttf.h>
|
|
|
|
#include "app.h"
|
|
#include "common/KVMFR.h"
|
|
#include "common/framebuffer.h"
|
|
|
|
#define IS_LG_RENDERER_VALID(x) \
|
|
((x)->get_name && \
|
|
(x)->create && \
|
|
(x)->initialize && \
|
|
(x)->deinitialize && \
|
|
(x)->on_restart && \
|
|
(x)->on_resize && \
|
|
(x)->on_mouse_shape && \
|
|
(x)->on_mouse_event && \
|
|
(x)->on_alert && \
|
|
(x)->render_startup && \
|
|
(x)->render && \
|
|
(x)->update_fps)
|
|
|
|
typedef struct LG_RendererParams
|
|
{
|
|
// TTF_Font * font;
|
|
// TTF_Font * alertFont;
|
|
bool showFPS;
|
|
bool quickSplash;
|
|
}
|
|
LG_RendererParams;
|
|
|
|
typedef enum LG_RendererSupport
|
|
{
|
|
LG_SUPPORTS_DMABUF
|
|
}
|
|
LG_RendererSupport;
|
|
|
|
typedef struct LG_RendererFormat
|
|
{
|
|
FrameType type; // frame type
|
|
unsigned int width; // image width
|
|
unsigned int height; // image height
|
|
unsigned int stride; // scanline width (zero if compresed)
|
|
unsigned int pitch; // scanline bytes (or compressed size)
|
|
unsigned int bpp; // bits per pixel (zero if compressed)
|
|
}
|
|
LG_RendererFormat;
|
|
|
|
typedef struct LG_RendererRect
|
|
{
|
|
bool valid;
|
|
int x;
|
|
int y;
|
|
unsigned int w;
|
|
unsigned int h;
|
|
}
|
|
LG_RendererRect;
|
|
|
|
typedef enum LG_RendererCursor
|
|
{
|
|
LG_CURSOR_COLOR ,
|
|
LG_CURSOR_MONOCHROME ,
|
|
LG_CURSOR_MASKED_COLOR
|
|
}
|
|
LG_RendererCursor;
|
|
|
|
// returns the friendly name of the renderer
|
|
typedef const char * (* LG_RendererGetName)();
|
|
|
|
// called pre-creation to allow the renderer to register any options it might have
|
|
typedef void (* LG_RendererSetup)();
|
|
|
|
typedef bool (* LG_RendererCreate )(void ** opaque, const LG_RendererParams params);
|
|
typedef bool (* LG_RendererInitialize )(void * opaque, Uint32 * sdlFlags);
|
|
typedef void (* LG_RendererDeInitialize )(void * opaque);
|
|
typedef bool (* LG_RendererSupports )(void * opaque, LG_RendererSupport support);
|
|
typedef void (* LG_RendererOnRestart )(void * opaque);
|
|
typedef void (* LG_RendererOnResize )(void * opaque, const int width, const int height, const LG_RendererRect destRect);
|
|
typedef bool (* LG_RendererOnMouseShape )(void * opaque, const LG_RendererCursor cursor, const int width, const int height, const int pitch, const uint8_t * data);
|
|
typedef bool (* LG_RendererOnMouseEvent )(void * opaque, const bool visible , const int x, const int y);
|
|
typedef bool (* LG_RendererOnFrameFormat)(void * opaque, const LG_RendererFormat format, bool useDMA);
|
|
typedef bool (* LG_RendererOnFrame )(void * opaque, const FrameBuffer * frame, int dmaFD);
|
|
typedef void (* LG_RendererOnAlert )(void * opaque, const LG_MsgAlert alert, const char * message, bool ** closeFlag);
|
|
typedef bool (* LG_RendererRender )(void * opaque, SDL_Window *window);
|
|
typedef void (* LG_RendererUpdateFPS )(void * opaque, const float avgUPS, const float avgFPS);
|
|
|
|
typedef struct LG_Renderer
|
|
{
|
|
LG_RendererGetName get_name;
|
|
LG_RendererSetup setup;
|
|
|
|
LG_RendererCreate create;
|
|
LG_RendererInitialize initialize;
|
|
LG_RendererDeInitialize deinitialize;
|
|
LG_RendererSupports supports;
|
|
LG_RendererOnRestart on_restart;
|
|
LG_RendererOnResize on_resize;
|
|
LG_RendererOnMouseShape on_mouse_shape;
|
|
LG_RendererOnMouseEvent on_mouse_event;
|
|
LG_RendererOnFrameFormat on_frame_format;
|
|
LG_RendererOnFrame on_frame;
|
|
LG_RendererOnAlert on_alert;
|
|
LG_RendererRender render_startup;
|
|
LG_RendererRender render;
|
|
LG_RendererUpdateFPS update_fps;
|
|
}
|
|
LG_Renderer;
|