gfx_driver.c

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/* xbox fbgfx driver */

#include "../fb_gfx.h"
#include <hal/xbox.h>
#include <hal/video.h>
#include <hal/input.h>

#define SCREENLIST(w, h) ((h) | (w) << 16)
#define JOYPOS(pos, min, max)   (((((float)(pos) - (float)(min)) * 2.0) / ((float)(max) - (float)(min) + 1.0)) - 1.0)

static BLITTER *blitter;
static void *framebuffer;
static volatile int quitting;

/*:::::*/
static void __stdcall /* FIXME */ driver_update(void *param1, void *param2)
{
        while (!quitting) {
                /* !!!FIXME!!! */
                if (blitter) {
                        //blitter(framebuffer, __fb_gfx->w);
                } else {
                        memcpy(framebuffer, __fb_gfx->framebuffer, __fb_gfx->pitch * __fb_gfx->h);
                }

                 /* !!!FIXME!!! */
                XSleep(10);
        }
}

/*:::::*/
static int driver_init(char *title, int w, int h, int depth_arg, int refresh_rate, int flags)
{
        int depth = MAX(8, depth_arg);

        if (depth == 8) {
                depth = 24;
                blitter = fb_hGetBlitter(32, FALSE);
        } else {
                blitter = NULL;
        }

        if (flags & DRIVER_OPENGL)
                return -1;

        if (!XVideoSetMode(w, h, depth == 32 ? 24 : depth, refresh_rate))
                return -1;

        framebuffer = XVideoGetFB();

        quitting = FALSE;

        //XInput_Init();

        /* !!!FIXME!!! use rtlib thread creation function */
        XCreateThread(driver_update, NULL, NULL);

        return 0;
}

/*:::::*/
static void driver_exit(void)
{
        quitting = TRUE;

        //XInput_Quit();

        /* !!!FIXME!!! */
}

/*:::::*/
static void driver_lock(void)
{
        /* !!!WRITEME!!! */
}

/*:::::*/
static void driver_unlock(void)
{
        /* !!!WRITEME!!! */
}

/*:::::*/
static void driver_set_palette(int index, int r, int g, int b)
{
        /* !!!WRITEME!!! */
}

/*:::::*/
static void driver_wait_vsync(void)
{
        /* !!!WRITEME!!! */
}

/*:::::*/
static int driver_get_mouse(int *x, int *y, int *z, int *buttons)
{
        /* !!!WRITEME!!! */
}

/*:::::*/
static void driver_set_mouse(int x, int y, int cursor)
{
        /* !!!WRITEME!!! */
}

/*:::::*/
static int *driver_fetch_modes(int depth, int *size)
{
        VIDEO_MODE vm;
        void *p = NULL;
        int num = 0;
        int *modes = NULL, *new_modes;

        while (XVideoListModes(&vm, depth, 0, &p)) {
                ++num;
                new_modes = realloc(modes, sizeof(int) * num);
                if (!new_modes) {
                        *size = num - 1;
                        return modes;
                }

                modes = new_modes;
                modes[num - 1] = SCREENLIST(vm.width, vm.height);
        }

        *size = num;
        return modes;
}

/*:::::*/
static void driver_poll_events(void)
{
        /* !!!WRITEME!!! */
}


static const GFXDRIVER fb_gfxDriverXbox =
{
        "xbox",                  /* char *name; */
        driver_init,             /* int (*init)(char *title, int w, int h, int depth, int refresh_rate, int flags); */
        driver_exit,             /* void (*exit)(void); */
        driver_lock,             /* void (*lock)(void); */
        driver_unlock,           /* void (*unlock)(void); */
        driver_set_palette,      /* void (*set_palette)(int index, int r, int g, int b); */
        driver_wait_vsync,       /* void (*wait_vsync)(void); */
        driver_get_mouse,        /* int (*get_mouse)(int *x, int *y, int *z, int *buttons); */
        driver_set_mouse,        /* void (*set_mouse)(int x, int y, int cursor); */
        NULL,                    /* void (*set_window_title)(char *title); */
        NULL,                    /* int (*set_window_pos)(int x, int y); */
        driver_fetch_modes,      /* int *(*fetch_modes)(int depth, int *size); */
        NULL,                    /* void (*flip)(void); */
        driver_poll_events       /* void (*poll_events)(void); */
};

const GFXDRIVER *__fb_gfx_drivers_list[] = {
        &fb_gfxDriverXbox,
        NULL
};

/*:::::*/
void fb_hScreenInfo(ssize_t *width, ssize_t *height, ssize_t *depth, ssize_t *refresh)
{
        /* !!!FIXME!!! */
        VIDEO_MODE vm;

        vm = XVideoGetMode();

        *width = vm.width;
        *height = vm.height;
        *depth = vm.bpp;
        *refresh = vm.refresh;
}

/*:::::*/
FBCALL int fb_GfxGetJoystick(int id, ssize_t *buttons, float *a1, float *a2, float *a3, float *a4, float *a5, float *a6, float *a7, float *a8)
{
        static int inited = 0;

        *buttons = -1;
        *a1 = *a2 = *a3 = *a4 = *a5 = *a6 = *a7 = *a8 = -1000.0;

        if ((id < 0) || (id >= 4) || (!g_Pads[id].hPresent))
                return fb_ErrorSetNum(FB_RTERROR_ILLEGALFUNCTIONCALL);

        if (!inited) {
                inited = 1;
                XInput_Init();
        }

        XInput_GetEvents();

        *buttons = !!g_Pads[id].CurrentButtons.ucAnalogButtons[XPAD_A] |
                   (!!g_Pads[id].CurrentButtons.ucAnalogButtons[XPAD_B] << 1) |
                   (!!g_Pads[id].CurrentButtons.ucAnalogButtons[XPAD_X] << 2) |
                   (!!g_Pads[id].CurrentButtons.ucAnalogButtons[XPAD_Y] << 3) |
                   (!!g_Pads[id].CurrentButtons.ucAnalogButtons[XPAD_BLACK] << 4) |
                   (!!g_Pads[id].CurrentButtons.ucAnalogButtons[XPAD_WHITE] << 5) |
                   (!!(g_Pads[id].CurrentButtons.usDigitalButtons & XPAD_START) << 6) |
                   (!!(g_Pads[id].CurrentButtons.usDigitalButtons & XPAD_BACK) << 7) |
                   (!!(g_Pads[id].CurrentButtons.usDigitalButtons & XPAD_LEFT_THUMB) << 8) |
                   (!!(g_Pads[id].CurrentButtons.usDigitalButtons & XPAD_RIGHT_THUMB) << 9);

        *a1 = JOYPOS(g_Pads[id].sLThumbX, -32768, 32767);
        *a2 = -JOYPOS(g_Pads[id].sLThumbY, -32768, 32767);
        *a3 = JOYPOS(g_Pads[id].sRThumbX, -32768, 32767);
        *a4 = -JOYPOS(g_Pads[id].sRThumbY, -32768, 32767);
        *a5 = (JOYPOS(g_Pads[id].CurrentButtons.ucAnalogButtons[XPAD_LEFT_TRIGGER], 0, 255) + 1.0) / 2.0;
        *a6 = (JOYPOS(g_Pads[id].CurrentButtons.ucAnalogButtons[XPAD_RIGHT_TRIGGER], 0, 255) + 1.0) / 2.0;

        if (g_Pads[id].CurrentButtons.usDigitalButtons & XPAD_DPAD_RIGHT)
                *a7 = 1.0;
        else if (g_Pads[id].CurrentButtons.usDigitalButtons & XPAD_DPAD_LEFT)
                *a7 = -1.0;
        else
                *a7 = 0.0;

        if (g_Pads[id].CurrentButtons.usDigitalButtons & XPAD_DPAD_DOWN)
                *a8 = 1.0;
        else if (g_Pads[id].CurrentButtons.usDigitalButtons & XPAD_DPAD_UP)
                *a8 = -1.0;
        else
                *a8 = 0.0;

        return fb_ErrorSetNum( FB_RTERROR_OK );
}