LookingGlass/client/include/interface/renderer.h

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/*
Looking Glass - KVM FrameRelay (KVMFR) Client
2019-02-22 11:16:14 +00:00
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
2017-12-11 17:30:47 +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 <stdint.h>
#include <stdbool.h>
#include <SDL2/SDL.h>
2017-12-14 11:05:32 +00:00
#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;