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8a1578230f
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.
145 lines
4.8 KiB
C
145 lines
4.8 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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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 <stdint.h>
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#include <stdbool.h>
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#include <SDL2/SDL.h>
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#include <SDL2/SDL_ttf.h>
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#include "app.h"
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#include "common/KVMFR.h"
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#include "common/framebuffer.h"
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#define IS_LG_RENDERER_VALID(x) \
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((x)->get_name && \
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(x)->create && \
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(x)->initialize && \
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(x)->deinitialize && \
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(x)->on_restart && \
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(x)->on_resize && \
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(x)->on_mouse_shape && \
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(x)->on_mouse_event && \
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(x)->on_alert && \
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(x)->render_startup && \
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(x)->render && \
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(x)->update_fps)
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typedef struct LG_RendererParams
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{
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// TTF_Font * font;
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// TTF_Font * alertFont;
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bool showFPS;
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bool quickSplash;
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}
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LG_RendererParams;
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typedef enum LG_RendererSupport
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{
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LG_SUPPORTS_DMABUF
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}
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LG_RendererSupport;
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typedef enum LG_RendererRotate
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{
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LG_ROTATE_0,
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LG_ROTATE_90,
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LG_ROTATE_180,
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LG_ROTATE_270
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}
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LG_RendererRotate;
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// kept out of the enum so gcc doesn't warn when it's missing from a switch
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// statement.
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#define LG_ROTATE_MAX (LG_ROTATE_270+1)
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typedef struct LG_RendererFormat
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{
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FrameType type; // frame type
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unsigned int width; // image width
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unsigned int height; // image height
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unsigned int stride; // scanline width (zero if compresed)
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unsigned int pitch; // scanline bytes (or compressed size)
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unsigned int bpp; // bits per pixel (zero if compressed)
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LG_RendererRotate rotate; // guest rotation
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}
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LG_RendererFormat;
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typedef struct LG_RendererRect
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{
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bool valid;
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int x;
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int y;
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int w;
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int h;
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}
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LG_RendererRect;
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typedef enum LG_RendererCursor
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{
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LG_CURSOR_COLOR ,
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LG_CURSOR_MONOCHROME ,
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LG_CURSOR_MASKED_COLOR
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}
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LG_RendererCursor;
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// returns the friendly name of the renderer
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typedef const char * (* LG_RendererGetName)();
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// called pre-creation to allow the renderer to register any options it might have
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typedef void (* LG_RendererSetup)();
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typedef bool (* LG_RendererCreate )(void ** opaque, const LG_RendererParams params);
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typedef bool (* LG_RendererInitialize )(void * opaque, Uint32 * sdlFlags);
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typedef void (* LG_RendererDeInitialize )(void * opaque);
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typedef bool (* LG_RendererSupports )(void * opaque, LG_RendererSupport support);
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typedef void (* LG_RendererOnRestart )(void * opaque);
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typedef void (* LG_RendererOnResize )(void * opaque, const int width, const int height, const LG_RendererRect destRect, LG_RendererRotate rotate);
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typedef bool (* LG_RendererOnMouseShape )(void * opaque, const LG_RendererCursor cursor, const int width, const int height, const int pitch, const uint8_t * data);
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typedef bool (* LG_RendererOnMouseEvent )(void * opaque, const bool visible , const int x, const int y);
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typedef bool (* LG_RendererOnFrameFormat)(void * opaque, const LG_RendererFormat format, bool useDMA);
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typedef bool (* LG_RendererOnFrame )(void * opaque, const FrameBuffer * frame, int dmaFD);
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typedef void (* LG_RendererOnAlert )(void * opaque, const LG_MsgAlert alert, const char * message, bool ** closeFlag);
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typedef bool (* LG_RendererRenderStartup)(void * opaque, SDL_Window *window);
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typedef bool (* LG_RendererRender )(void * opaque, SDL_Window *window, LG_RendererRotate rotate);
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typedef void (* LG_RendererUpdateFPS )(void * opaque, const float avgUPS, const float avgFPS);
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typedef struct LG_Renderer
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{
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LG_RendererGetName get_name;
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LG_RendererSetup setup;
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LG_RendererCreate create;
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LG_RendererInitialize initialize;
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LG_RendererDeInitialize deinitialize;
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LG_RendererSupports supports;
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LG_RendererOnRestart on_restart;
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LG_RendererOnResize on_resize;
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LG_RendererOnMouseShape on_mouse_shape;
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LG_RendererOnMouseEvent on_mouse_event;
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LG_RendererOnFrameFormat on_frame_format;
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LG_RendererOnFrame on_frame;
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LG_RendererOnAlert on_alert;
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LG_RendererRenderStartup render_startup;
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LG_RendererRender render;
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LG_RendererUpdateFPS update_fps;
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}
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LG_Renderer;
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