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@ -0,0 +1,477 @@
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/*
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* Created by Oleg Gerasimov <ogerasimov@gmail.com>
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* 06.08.2016
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*/
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// We need to include stdio.h below. Turn off GFILE_NEED_STDIO just for this file to prevent conflicts
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#define GFILE_NEED_STDIO_MUST_BE_OFF
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#include "gfx.h"
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#if GFX_USE_GDISP
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#include <fcntl.h>
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#include <sys/ipc.h>
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#include <sys/mman.h>
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#include <sys/wait.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <signal.h>
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#include <semaphore.h>
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#include <SDL.h>
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#define GDISP_DRIVER_VMT GDISPVMT_SDL
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#include "gdisp_lld_config.h"
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#include "../../../src/gdisp/gdisp_driver.h"
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#ifndef GDISP_FORCE_24BIT
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#define GDISP_FORCE_24BIT FALSE
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#endif
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#ifndef GDISP_SCREEN_WIDTH
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#define GDISP_SCREEN_WIDTH 640
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#endif
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#ifndef GDISP_SCREEN_HEIGHT
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#define GDISP_SCREEN_HEIGHT 480
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#endif
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#if GINPUT_NEED_MOUSE
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// Include mouse support code
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#define GMOUSE_DRIVER_VMT GMOUSEVMT_SDL
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#include "../../../src/ginput/ginput_driver_mouse.h"
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// Forward definitions
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static bool_t SDL_MouseInit(GMouse *m, unsigned driverinstance);
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static bool_t SDL_MouseRead(GMouse *m, GMouseReading *prd);
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const GMouseVMT GMOUSE_DRIVER_VMT[1] = {{
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{
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GDRIVER_TYPE_MOUSE,
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GMOUSE_VFLG_NOPOLL|GMOUSE_VFLG_DYNAMICONLY,
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sizeof(GMouse),
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_gmouseInitDriver, _gmousePostInitDriver, _gmouseDeInitDriver
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},
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1, // z_max
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0, // z_min
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1, // z_touchon
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0, // z_touchoff
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{ // pen_jitter
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0, // calibrate
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0, // click
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0 // move
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},
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{ // finger_jitter
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0, // calibrate
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2, // click
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2 // move
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},
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SDL_MouseInit, // init
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0, // deinit
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SDL_MouseRead, // get
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0, // calsave
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0 // calload
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}};
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static GMouse *mouse = 0;
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#endif
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#if GINPUT_NEED_KEYBOARD
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// Include mouse support code
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#define GKEYBOARD_DRIVER_VMT GKEYBOARDVMT_SDL
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#include "../../../src/ginput/ginput_driver_keyboard.h"
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// Forward definitions
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static bool_t SDL_KeyboardInit(GKeyboard *k, unsigned driverinstance);
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static int SDL_KeyboardGetData(GKeyboard *k, uint8_t *pch, int sz);
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const GKeyboardVMT GKEYBOARD_DRIVER_VMT[1] = {{
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{
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GDRIVER_TYPE_KEYBOARD,
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GKEYBOARD_VFLG_NOPOLL, // GKEYBOARD_VFLG_DYNAMICONLY
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sizeof(GKeyboard),
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_gkeyboardInitDriver, _gkeyboardPostInitDriver, _gkeyboardDeInitDriver
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},
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0,
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SDL_KeyboardInit, // init
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0, // deinit
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SDL_KeyboardGetData, // getdata
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0 // putdata void (*putdata)(GKeyboard *k, char ch); Optional
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}};
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static struct KeyMap {
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SDL_Keycode k_sdl;
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uint16_t k_ugfx;
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} SDL_keymap[] =
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{
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{SDLK_UP, GKEY_UP},
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{SDLK_DOWN, GKEY_DOWN},
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{SDLK_RIGHT, GKEY_RIGHT},
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{SDLK_LEFT, GKEY_LEFT},
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{SDLK_END, GKEY_END},
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{SDLK_HOME, GKEY_HOME},
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{SDLK_PAGEDOWN, GKEY_PAGEDOWN},
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{SDLK_PAGEUP, GKEY_PAGEUP},
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{SDLK_F1, GKEY_FN1},
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{SDLK_F2, GKEY_FN2},
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{SDLK_F3, GKEY_FN3},
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{SDLK_F4, GKEY_FN4},
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{SDLK_F5, GKEY_FN5},
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{SDLK_F6, GKEY_FN6},
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{SDLK_F7, GKEY_FN7},
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{SDLK_F8, GKEY_FN8},
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{SDLK_F9, GKEY_FN9},
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{SDLK_F10, GKEY_FN10},
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{SDLK_F11, GKEY_FN11},
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{SDLK_F12, GKEY_FN12},
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{SDLK_F13, GKEY_FN13},
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{SDLK_F14, GKEY_FN14},
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{SDLK_F15, GKEY_FN15},
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{SDLK_BRIGHTNESSDOWN, GKEY_LIGHTDOWN},
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{SDLK_BRIGHTNESSUP, GKEY_LIGHTUP},
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{SDLK_AUDIONEXT, GKEY_MEDIANEXT},
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{SDLK_AUDIOPREV, GKEY_MEDIAPREV},
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{SDLK_AUDIOPLAY, GKEY_MEDIAPLAY},
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{SDLK_AUDIOSTOP, GKEY_MEDIASTOP},
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{SDLK_VOLUMEUP, GKEY_VOLUP},
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{SDLK_VOLUMEDOWN, GKEY_VOLDOWN},
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{SDLK_MUTE, GKEY_VOLMUTE},
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{0,0}
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};
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static struct ModMap {
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SDL_Keycode s_sdl;
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uint32_t s_ugfx;
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} SDL_modmap[] = {
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{KMOD_LSHIFT, GKEYSTATE_SHIFT_L},
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{KMOD_RSHIFT, GKEYSTATE_SHIFT_R},
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{KMOD_RCTRL, GKEYSTATE_CTRL_R},
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{KMOD_LCTRL, GKEYSTATE_CTRL_L},
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{KMOD_RALT, GKEYSTATE_ALT_R},
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{KMOD_LALT, GKEYSTATE_ALT_L},
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{KMOD_CAPS, GKEYSTATE_CAPSLOCK},
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{KMOD_NUM, GKEYSTATE_NUMLOCK},
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{0,0}
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};
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struct SDL_keymsg {
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uint32_t key;
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uint32_t keystate;
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};
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static GKeyboard *keyboard = 0;
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#endif
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// shared IPC context
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struct SDL_UGFXContext {
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uint32_t framebuf[GDISP_SCREEN_WIDTH*GDISP_SCREEN_HEIGHT];
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int16_t need_redraw;
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int minx,miny,maxx,maxy;
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#if GINPUT_NEED_MOUSE
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coord_t mousex, mousey;
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uint16_t buttons;
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#endif
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#if GINPUT_NEED_KEYBOARD
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uint16_t keypos;
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struct SDL_keymsg keybuffer[8];
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#endif
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};
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static struct SDL_UGFXContext *context;
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static sem_t *ctx_mutex;
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static sem_t *input_event;
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#define CTX_MUTEX_NAME "ugfx_ctx_mutex"
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#define INPUT_EVENT_NAME "ugfx_input_event"
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static int SDL_loop (void) {
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SDL_Window *window = SDL_CreateWindow("uGFX simulator", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, GDISP_SCREEN_WIDTH, GDISP_SCREEN_HEIGHT, 0);
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SDL_Renderer *render = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
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SDL_Texture *texture = SDL_CreateTexture(render, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STATIC, GDISP_SCREEN_WIDTH, GDISP_SCREEN_HEIGHT);
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int done = 0;
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while (!done) {
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if (context->need_redraw) {
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context->need_redraw = 0;
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SDL_Rect r;
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r.x = context->minx;
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r.y = context->miny;
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r.w = context->maxx - context->minx + 1;
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r.h = context->maxy - context->miny + 1;
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context->minx = GDISP_SCREEN_WIDTH;
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context->miny = GDISP_SCREEN_HEIGHT;
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context->maxx = 0;
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context->maxy = 0;
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SDL_UpdateTexture(texture, &r, context->framebuf+r.y*GDISP_SCREEN_WIDTH+r.x, GDISP_SCREEN_WIDTH*sizeof(uint32_t));
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SDL_RenderCopy(render, texture, 0, 0);
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SDL_RenderPresent(render);
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}
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SDL_Event event;
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for (; SDL_PollEvent(&event); ){
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switch(event.type){
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#if GINPUT_NEED_MOUSE
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#if 0
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// On osx event contains coordinates of touchpad. We can't use them, we screen coordinates.
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case SDL_FINGERMOTION:
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case SDL_FINGERDOWN:
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case SDL_FINGERUP:
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context->mousex = (event.tfinger.x<1.0)?event.tfinger.x*GDISP_SCREEN_WIDTH:event.tfinger.x;
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context->mousey = (event.tfinger.y<1.0)?event.tfinger.y*GDISP_SCREEN_HEIGHT:event.tfinger.y;
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context->buttons = (event.type != SDL_FINGERUP)?GINPUT_MOUSE_BTN_LEFT:0;
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sem_post (input_event);
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break;
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#endif
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case SDL_MOUSEBUTTONUP:
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case SDL_MOUSEBUTTONDOWN:
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context->mousex = event.button.x;
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context->mousey = event.button.y;
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context->buttons = (event.type ==SDL_MOUSEBUTTONDOWN)?GINPUT_MOUSE_BTN_LEFT:0;
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sem_post (input_event);
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break;
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case SDL_MOUSEMOTION:
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if (event.motion.state & SDL_BUTTON_LMASK) {
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context->mousex = event.motion.x;
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context->mousey = event.motion.y;
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context->buttons = GINPUT_MOUSE_BTN_LEFT;
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sem_post (input_event);
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}
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break;
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#endif
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#if GINPUT_NEED_KEYBOARD
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case SDL_TEXTINPUT: {
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int i;
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sem_wait (ctx_mutex);
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for (i=0; context->keypos < sizeof (context->keybuffer) && event.text.text[i]; ++i) {
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context->keybuffer[context->keypos].key = event.text.text[i];
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context->keybuffer[context->keypos++].keystate = 0;
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}
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sem_post (ctx_mutex);
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sem_post (input_event);
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break;
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}
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case SDL_KEYDOWN:
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case SDL_KEYUP: {
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SDL_Keycode k_sdl = event.key.keysym.sym;
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uint8_t k_ugfx = 0;
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uint32_t s_ugfx = (event.type==SDL_KEYDOWN)?0:GKEYSTATE_KEYUP;
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int i;
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if (!(k_sdl & ~0x7f) && (k_sdl <32 || k_sdl == 127)) {
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k_ugfx = k_sdl;
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}
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else
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for (i = 0; SDL_keymap[i].k_sdl; ++i)
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if (SDL_keymap[i].k_sdl == k_sdl) {
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k_ugfx = SDL_keymap[i].k_ugfx;
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s_ugfx |= GKEYSTATE_SPECIAL;
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break;
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}
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for (i = 0; SDL_modmap[i].s_sdl; ++i)
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if (SDL_modmap[i].s_sdl & event.key.keysym.mod)
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s_ugfx |= SDL_modmap[i].s_ugfx;
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sem_wait (ctx_mutex);
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if (k_ugfx && context->keypos+1 < (int)sizeof (context->keybuffer)) {
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context->keybuffer[context->keypos].key = k_ugfx;
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context->keybuffer[context->keypos++].keystate = s_ugfx;
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}
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sem_post (ctx_mutex);
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sem_post (input_event);
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break;
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}
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#endif
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case SDL_QUIT:
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done = 1;
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break;
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default:
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break;
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}
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}
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SDL_Delay(40);
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}
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SDL_DestroyTexture (texture);
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SDL_DestroyRenderer (render);
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SDL_DestroyWindow (window);
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return 0;
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}
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static void *SDL_input_event_loop (void *arg) {
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(void)arg;
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for (;;) {
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sem_wait (input_event);
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#if GINPUT_NEED_KEYBOARD
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if (keyboard)
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_gkeyboardWakeup (keyboard);
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#endif
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#if GINPUT_NEED_MOUSE
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if (mouse)
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_gmouseWakeup (mouse);
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#endif
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}
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return 0;
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}
|
|
|
|
|
|
|
|
|
|
// Init driver
|
|
|
|
|
// Must be executed on early stage of initialization: before threads and timer
|
|
|
|
|
|
|
|
|
|
void sdl_driver_init (void) {
|
|
|
|
|
if (SDL_Init(SDL_INIT_EVERYTHING) != 0){
|
|
|
|
|
fprintf(stderr, "Unable to initialize SDL: %s\n", SDL_GetError());
|
|
|
|
|
exit (1) ;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ((context = (struct SDL_UGFXContext*) mmap (0,sizeof (struct SDL_UGFXContext ),PROT_WRITE|PROT_READ,(MAP_ANONYMOUS | MAP_SHARED),0,0)) ==MAP_FAILED) {
|
|
|
|
|
perror("Failed to allocate shared memory");
|
|
|
|
|
exit(1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Create mutex for locking shared context
|
|
|
|
|
sem_unlink (CTX_MUTEX_NAME);
|
|
|
|
|
if((ctx_mutex = sem_open(CTX_MUTEX_NAME,O_CREAT,0666,1)) == SEM_FAILED) {
|
|
|
|
|
perror("Failed init semaphore");
|
|
|
|
|
exit(1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Create event for input notifications to ugfx process
|
|
|
|
|
sem_unlink (INPUT_EVENT_NAME);
|
|
|
|
|
if((input_event = sem_open(INPUT_EVENT_NAME,O_CREAT,0666,0)) == SEM_FAILED) {
|
|
|
|
|
perror("Failed init semaphore");
|
|
|
|
|
exit(1);
|
|
|
|
|
}
|
|
|
|
|
pid_t gui_pid = fork ();
|
|
|
|
|
|
|
|
|
|
if (gui_pid) {
|
|
|
|
|
// Main proccess. It's for host UI and SDL
|
|
|
|
|
int status;
|
|
|
|
|
memset (context,0,sizeof (*context));
|
|
|
|
|
context->need_redraw = 1;
|
|
|
|
|
context->maxx = GDISP_SCREEN_WIDTH-1;
|
|
|
|
|
context->maxy = GDISP_SCREEN_HEIGHT-1;
|
|
|
|
|
context->minx = 0;
|
|
|
|
|
context->miny = 0;
|
|
|
|
|
SDL_loop ();
|
|
|
|
|
// cleanup
|
|
|
|
|
kill(gui_pid,SIGKILL);
|
|
|
|
|
waitpid(gui_pid, &status, 0);
|
|
|
|
|
SDL_Quit ();
|
|
|
|
|
munmap (context,sizeof (*context));
|
|
|
|
|
sem_close (ctx_mutex);
|
|
|
|
|
sem_unlink (CTX_MUTEX_NAME);
|
|
|
|
|
sem_close (input_event);
|
|
|
|
|
sem_unlink (INPUT_EVENT_NAME);
|
|
|
|
|
exit (0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Create thread for input events processing
|
|
|
|
|
pthread_t thread;
|
|
|
|
|
pthread_create(&thread, NULL, SDL_input_event_loop, NULL);
|
|
|
|
|
pthread_detach (thread);
|
|
|
|
|
// Continue execution of ugfx UI in forked process
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
|
|
|
|
|
g->board = 0; // No board interface for this driver
|
|
|
|
|
|
|
|
|
|
#if GINPUT_NEED_MOUSE
|
|
|
|
|
gdriverRegister((const GDriverVMT *)GMOUSE_DRIVER_VMT, g);
|
|
|
|
|
#endif
|
|
|
|
|
g->g.Orientation = GDISP_ROTATE_0;
|
|
|
|
|
g->g.Powermode = powerOn;
|
|
|
|
|
g->g.Backlight = 100;
|
|
|
|
|
|
|
|
|
|
g->g.Contrast = 50;
|
|
|
|
|
g->g.Width = GDISP_SCREEN_WIDTH;
|
|
|
|
|
g->g.Height = GDISP_SCREEN_HEIGHT;
|
|
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static void SDL_extendUpdateRect (int x,int y) {
|
|
|
|
|
if (context->minx > x)
|
|
|
|
|
context->minx = x;
|
|
|
|
|
if (context->miny > y)
|
|
|
|
|
context->miny = y;
|
|
|
|
|
if (context->maxx < x)
|
|
|
|
|
context->maxx = x;
|
|
|
|
|
if (context->maxy < y)
|
|
|
|
|
context->maxy = y;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g)
|
|
|
|
|
{
|
|
|
|
|
if (context) {
|
|
|
|
|
context->framebuf[(g->p.y*GDISP_SCREEN_WIDTH)+g->p.x] = gdispColor2Native(g->p.color);
|
|
|
|
|
SDL_extendUpdateRect (g->p.x,g->p.y);
|
|
|
|
|
context->need_redraw = 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if GDISP_HARDWARE_FILLS
|
|
|
|
|
LLDSPEC void gdisp_lld_fill_area(GDisplay *g) {
|
|
|
|
|
LLDCOLOR_TYPE c = gdispColor2Native(g->p.color);
|
|
|
|
|
if (context) {
|
|
|
|
|
int x,y;
|
|
|
|
|
uint32_t *pbuf = context->framebuf + g->p.y*GDISP_SCREEN_WIDTH + g->p.x;
|
|
|
|
|
int dy = GDISP_SCREEN_WIDTH - g->p.cx;
|
|
|
|
|
for (y = 0; y < g->p.cy; ++y) {
|
|
|
|
|
for (x = 0; x < g->p.cx; ++x)
|
|
|
|
|
*pbuf++ = c;
|
|
|
|
|
pbuf += dy;
|
|
|
|
|
}
|
|
|
|
|
SDL_extendUpdateRect (g->p.x,g->p.y);
|
|
|
|
|
SDL_extendUpdateRect (g->p.x+g->p.cx-1,g->p.y+g->p.cy-1);
|
|
|
|
|
context->need_redraw = 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if GDISP_HARDWARE_PIXELREAD
|
|
|
|
|
LLDSPEC color_t gdisp_lld_get_pixel_color(GDisplay *g) {
|
|
|
|
|
if (context)
|
|
|
|
|
return gdispNative2Color(context->framebuf[(g->p.y*GDISP_SCREEN_WIDTH)+g->p.x]);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if GINPUT_NEED_MOUSE
|
|
|
|
|
static bool_t SDL_MouseInit(GMouse *m, unsigned driverinstance) {
|
|
|
|
|
mouse = m;
|
|
|
|
|
(void) driverinstance;
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static bool_t SDL_MouseRead(GMouse *m, GMouseReading *pt) {
|
|
|
|
|
(void) m;
|
|
|
|
|
if (!context)
|
|
|
|
|
return FALSE;
|
|
|
|
|
pt->x = context->mousex;
|
|
|
|
|
pt->y = context->mousey;
|
|
|
|
|
pt->z = (context->buttons & GINPUT_MOUSE_BTN_LEFT) ? 1 : 0;
|
|
|
|
|
pt->buttons = context->buttons;
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
#endif /* GINPUT_NEED_MOUSE */
|
|
|
|
|
|
|
|
|
|
#if GINPUT_NEED_KEYBOARD
|
|
|
|
|
static bool_t SDL_KeyboardInit(GKeyboard *k, unsigned driverinstance) {
|
|
|
|
|
keyboard = k;
|
|
|
|
|
(void) driverinstance;
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int SDL_KeyboardGetData(GKeyboard *k, uint8_t *pch, int sz) {
|
|
|
|
|
int i = 0;
|
|
|
|
|
if (!context || !context->keypos || !sz)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
sem_wait (ctx_mutex);
|
|
|
|
|
k->keystate = context->keybuffer[0].keystate;
|
|
|
|
|
for (i = 0; i < sz && i < context->keypos && context->keybuffer[0].keystate == context->keybuffer[i].keystate; i++)
|
|
|
|
|
pch[i] = context->keybuffer[i].key;
|
|
|
|
|
context->keypos -= i;
|
|
|
|
|
memmove (context->keybuffer,context->keybuffer+i,context->keypos * sizeof (context->keybuffer[0]));
|
|
|
|
|
sem_post (ctx_mutex);
|
|
|
|
|
return i;
|
|
|
|
|
}
|
|
|
|
|
#endif /* GINPUT_NEED_KEYBOARD */
|
|
|
|
|
|
|
|
|
|
#endif /* GFX_USE_GDISP */
|