frontend: move text drawing to libpicofe
[pcsx_rearmed.git] / frontend / plugin_lib.c
index bde4f9c..6cce912 100644 (file)
 #include <unistd.h>
 #include <pthread.h>
 
+#include "libpicofe/fonts.h"
+#include "libpicofe/input.h"
+#include "libpicofe/plat.h"
+#include "libpicofe/arm/neon_scale2x.h"
+#include "libpicofe/arm/neon_eagle2x.h"
 #include "plugin_lib.h"
-#include "linux/fbdev.h"
-#include "common/fonts.h"
-#include "common/input.h"
-#include "omap.h"
 #include "menu.h"
 #include "main.h"
+#include "plat.h"
 #include "pcnt.h"
 #include "pl_gun_ts.h"
 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
 #include "../libpcsxcore/psemu_plugin_defs.h"
+#include "../plugins/gpulib/cspace.h"
 
-void *pl_fbdev_buf;
-int pl_frame_interval;
 int in_type1, in_type2;
 int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
+int in_adev[2] = { -1, -1 }, in_adev_axis[2][2] = {{ 0, 1 }, { 0, 1 }};
+int in_adev_is_nublike[2];
 int in_keystate, in_state_gun;
-static void *ts;
-static int pl_fbdev_w, pl_fbdev_h, pl_fbdev_bpp;
-static int flip_cnt, vsync_cnt, flips_per_sec, tick_per_sec;
-static float vsps_cur;
+int in_enable_vibration;
+void *tsdev;
+void *pl_vout_buf;
+int g_layer_x, g_layer_y, g_layer_w, g_layer_h;
+static int pl_vout_w, pl_vout_h, pl_vout_bpp; /* output display/layer */
+static int pl_vout_scale;
+static int psx_w, psx_h, psx_bpp;
+static int vsync_cnt;
+static int is_pal, frame_interval, frame_interval1024;
 static int vsync_usec_time;
 
 
@@ -61,127 +69,433 @@ static __attribute__((noinline)) int get_cpu_ticks(void)
        return ret;
 }
 
-static void print_hud(void)
+static void print_msg(int h, int border)
 {
-       if (pl_fbdev_bpp == 16)
-               pl_text_out16(2, pl_fbdev_h - 10, "%s", hud_msg);
+       if (pl_vout_bpp == 16)
+               basic_text_out16_nf(pl_vout_buf, pl_vout_w,
+                       border + 2, h - 10, hud_msg);
 }
 
-static void print_fps(void)
+static void print_fps(int h, int border)
 {
-       if (pl_fbdev_bpp == 16)
-               pl_text_out16(2, pl_fbdev_h - 10, "%2d %4.1f", flips_per_sec, vsps_cur);
+       if (pl_vout_bpp == 16)
+               basic_text_out16(pl_vout_buf, pl_vout_w,
+                       border + 2, h - 10, "%2d %4.1f",
+                       pl_rearmed_cbs.flips_per_sec, pl_rearmed_cbs.vsps_cur);
 }
 
-static void print_cpu_usage(void)
+static void print_cpu_usage(int w, int h, int border)
 {
-       if (pl_fbdev_bpp == 16)
-               pl_text_out16(pl_fbdev_w - 28, pl_fbdev_h - 10, "%3d", tick_per_sec);
+       if (pl_vout_bpp == 16)
+               basic_text_out16(pl_vout_buf, pl_vout_w,
+                       pl_vout_w - border - 28, h - 10,
+                       "%3d", pl_rearmed_cbs.cpu_usage);
 }
 
 // draw 192x8 status of 24 sound channels
-static __attribute__((noinline)) void draw_active_chans(void)
+static __attribute__((noinline)) void draw_active_chans(int vout_w, int vout_h)
 {
-       extern void spu_get_debug_info(int *chans_out, int *fmod_chans_out, int *noise_chans_out); // hack
-       int live_chans, fmod_chans, noise_chans;
+       extern void spu_get_debug_info(int *chans_out, int *run_chans,
+               int *fmod_chans_out, int *noise_chans_out); // hack
+       int live_chans, run_chans, fmod_chans, noise_chans;
 
        static const unsigned short colors[2] = { 0x1fe3, 0x0700 };
-       unsigned short *dest = (unsigned short *)pl_fbdev_buf +
-               pl_fbdev_w * (pl_fbdev_h - 10) + pl_fbdev_w / 2 - 192/2;
+       unsigned short *dest = (unsigned short *)pl_vout_buf +
+               vout_w * (vout_h - 10) + vout_w / 2 - 192/2;
        unsigned short *d, p;
        int c, x, y;
 
-       if (pl_fbdev_bpp != 16)
+       if (pl_vout_bpp != 16)
                return;
 
-       spu_get_debug_info(&live_chans, &fmod_chans, &noise_chans);
+       spu_get_debug_info(&live_chans, &run_chans, &fmod_chans, &noise_chans);
 
        for (c = 0; c < 24; c++) {
                d = dest + c * 8;
-               p = !(live_chans & (1<<c)) ? 0 :
+               p = !(live_chans & (1<<c)) ? (run_chans & (1<<c) ? 0x01c0 : 0) :
                     (fmod_chans & (1<<c)) ? 0xf000 :
                     (noise_chans & (1<<c)) ? 0x001f :
                     colors[c & 1];
-               for (y = 0; y < 8; y++, d += pl_fbdev_w)
+               for (y = 0; y < 8; y++, d += vout_w)
                        for (x = 0; x < 8; x++)
                                d[x] = p;
        }
 }
 
-void *pl_fbdev_set_mode(int w, int h, int bpp)
+void pl_print_hud(int w, int h, int xborder)
 {
-       void *ret;
+       if (h < 16)
+               return;
 
-       if (w == pl_fbdev_w && h == pl_fbdev_h && bpp == pl_fbdev_bpp)
-               return pl_fbdev_buf;
+       xborder += (pl_vout_w - w) / 2;
 
-       pl_fbdev_w = w;
-       pl_fbdev_h = h;
-       pl_fbdev_bpp = bpp;
+       if (g_opts & OPT_SHOWSPU)
+               draw_active_chans(w, h);
 
-       vout_fbdev_clear(layer_fb);
-       ret = vout_fbdev_resize(layer_fb, w, h, bpp, 0, 0, 0, 0, 3);
-       if (ret == NULL)
-               fprintf(stderr, "failed to set mode\n");
-       else
-               pl_fbdev_buf = ret;
+       if (hud_msg[0] != 0)
+               print_msg(h, xborder);
+       else if (g_opts & OPT_SHOWFPS)
+               print_fps(h, xborder);
+
+       if (g_opts & OPT_SHOWCPU)
+               print_cpu_usage(w, h, xborder);
+}
 
-       menu_notify_mode_change(w, h, bpp);
+/* update scaler target size according to user settings */
+static void update_layer_size(int w, int h)
+{
+       float mult;
+       int imult;
+
+       switch (g_scaler) {
+       case SCALE_1_1:
+               g_layer_w = w; g_layer_h = h;
+               break;
+
+       case SCALE_4_3v2:
+               if (h > g_menuscreen_h || (240 < h && h <= 360))
+                       goto fractional_4_3;
+
+               // 4:3 that prefers integer scaling
+               imult = g_menuscreen_h / h;
+               g_layer_w = w * imult;
+               g_layer_h = h * imult;
+               mult = (float)g_layer_w / (float)g_layer_h;
+               if (mult < 1.25f || mult > 1.666f)
+                       g_layer_w = 4.0f/3.0f * (float)g_layer_h;
+               printf("  -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
+               break;
+
+       fractional_4_3:
+       case SCALE_4_3:
+               mult = 240.0f / (float)h * 4.0f / 3.0f;
+               if (h > 256)
+                       mult *= 2.0f;
+               g_layer_w = mult * (float)g_menuscreen_h;
+               g_layer_h = g_menuscreen_h;
+               printf("  -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
+               break;
+
+       case SCALE_FULLSCREEN:
+               g_layer_w = g_menuscreen_w;
+               g_layer_h = g_menuscreen_h;
+               break;
+
+       default:
+               break;
+       }
+
+       g_layer_x = g_menuscreen_w / 2 - g_layer_w / 2;
+       g_layer_y = g_menuscreen_h / 2 - g_layer_h / 2;
+       if (g_layer_x < 0) g_layer_x = 0;
+       if (g_layer_y < 0) g_layer_y = 0;
+       if (g_layer_w > g_menuscreen_w) g_layer_w = g_menuscreen_w;
+       if (g_layer_h > g_menuscreen_h) g_layer_h = g_menuscreen_h;
+}
 
-       return pl_fbdev_buf;
+// XXX: this is platform specific really
+static int resolution_ok(int w, int h)
+{
+       return w <= 1024 && h <= 512;
 }
 
-void *pl_fbdev_flip(void)
+static void pl_vout_set_mode(int w, int h, int bpp)
 {
-       flip_cnt++;
+       int vout_w, vout_h, vout_bpp;
+
+       // special h handling, Wipeout likes to change it by 1-6
+       static int vsync_cnt_ms_prev;
+       if ((unsigned int)(vsync_cnt - vsync_cnt_ms_prev) < 5*60)
+               h = (h + 7) & ~7;
+       vsync_cnt_ms_prev = vsync_cnt;
+
+       vout_w = psx_w = w;
+       vout_h = psx_h = h;
+       vout_bpp = psx_bpp = bpp;
+
+       pl_vout_scale = 1;
+#ifdef __ARM_NEON__
+       if (soft_filter) {
+               if (resolution_ok(w * 2, h * 2) && bpp == 16) {
+                       vout_w *= 2;
+                       vout_h *= 2;
+                       pl_vout_scale = 2;
+               }
+               else {
+                       // filter unavailable
+                       hud_msg[0] = 0;
+               }
+       }
+#endif
 
-       if (pl_fbdev_buf != NULL) {
-               if (g_opts & OPT_SHOWSPU)
-                       draw_active_chans();
+       if (pl_vout_buf != NULL && vout_w == pl_vout_w && vout_h == pl_vout_h
+           && vout_bpp == pl_vout_bpp)
+               return;
 
-               if (hud_msg[0] != 0)
-                       print_hud();
-               else if (g_opts & OPT_SHOWFPS)
-                       print_fps();
+       update_layer_size(vout_w, vout_h);
 
-               if (g_opts & OPT_SHOWCPU)
-                       print_cpu_usage();
+       pl_vout_buf = plat_gvideo_set_mode(&vout_w, &vout_h, &vout_bpp);
+       if (pl_vout_buf == NULL)
+               fprintf(stderr, "failed to set mode %dx%d@%d\n",
+                       psx_w, psx_h, psx_bpp);
+       else {
+               pl_vout_w = vout_w;
+               pl_vout_h = vout_h;
+               pl_vout_bpp = vout_bpp;
+       }
+
+       menu_notify_mode_change(pl_vout_w, pl_vout_h, pl_vout_bpp);
+}
+
+static void pl_vout_flip(const void *vram, int stride, int bgr24, int w, int h)
+{
+       static int doffs_old, clear_counter;
+       unsigned char *dest = pl_vout_buf;
+       const unsigned short *src = vram;
+       int dstride = pl_vout_w, h1 = h;
+       int doffs;
+
+       pcnt_start(PCNT_BLIT);
+
+       if (dest == NULL)
+               goto out;
+
+       if (vram == NULL) {
+               // blanking
+               memset(pl_vout_buf, 0, dstride * pl_vout_h * pl_vout_bpp / 8);
+               goto out;
+       }
+
+       // borders
+       doffs = (dstride - w * pl_vout_scale) / 2 & ~1;
+       dest += doffs * 2;
+
+       if (doffs > doffs_old)
+               clear_counter = 2;
+       doffs_old = doffs;
+
+       if (clear_counter > 0) {
+               memset(pl_vout_buf, 0, dstride * pl_vout_h * pl_vout_bpp / 8);
+               clear_counter--;
+       }
+
+       if (bgr24)
+       {
+               if (pl_rearmed_cbs.only_16bpp) {
+                       for (; h1-- > 0; dest += dstride * 2, src += stride)
+                       {
+                               bgr888_to_rgb565(dest, src, w * 3);
+                       }
+               }
+               else {
+                       dest -= doffs * 2;
+                       dest += (doffs / 8) * 24;
+
+                       for (; h1-- > 0; dest += dstride * 3, src += stride)
+                       {
+                               bgr888_to_rgb888(dest, src, w * 3);
+                       }
+               }
        }
+#ifdef __ARM_NEON__
+       else if (soft_filter == SOFT_FILTER_SCALE2X && pl_vout_scale == 2)
+       {
+               neon_scale2x_16_16(src, (void *)dest, w,
+                       stride * 2, dstride * 2, h1);
+       }
+       else if (soft_filter == SOFT_FILTER_EAGLE2X && pl_vout_scale == 2)
+       {
+               neon_eagle2x_16_16(src, (void *)dest, w,
+                       stride * 2, dstride * 2, h1);
+       }
+#endif
+       else
+       {
+               for (; h1-- > 0; dest += dstride * 2, src += stride)
+               {
+                       bgr555_to_rgb565(dest, src, w * 2);
+               }
+       }
+
+       pl_print_hud(w * pl_vout_scale, h * pl_vout_scale, 0);
+
+out:
+       pcnt_end(PCNT_BLIT);
 
        // let's flip now
-       pl_fbdev_buf = vout_fbdev_flip(layer_fb);
-       return pl_fbdev_buf;
+       pl_vout_buf = plat_gvideo_flip();
+       pl_rearmed_cbs.flip_cnt++;
 }
 
-int pl_fbdev_open(void)
+static int pl_vout_open(void)
 {
        struct timeval now;
 
-       pl_fbdev_buf = vout_fbdev_flip(layer_fb);
-       omap_enable_layer(1);
+       // force mode update on pl_vout_set_mode() call from gpulib/vout_pl
+       pl_vout_buf = NULL;
+
+       plat_gvideo_open(is_pal);
 
-       // try to align redraws to vsync
-       vout_fbdev_wait_vsync(layer_fb);
        gettimeofday(&now, 0);
        vsync_usec_time = now.tv_usec;
-       while (vsync_usec_time >= pl_frame_interval)
-               vsync_usec_time -= pl_frame_interval;
+       while (vsync_usec_time >= frame_interval)
+               vsync_usec_time -= frame_interval;
 
        return 0;
 }
 
-void pl_fbdev_close(void)
+static void pl_vout_close(void)
+{
+       plat_gvideo_close();
+}
+
+static void pl_set_gpu_caps(int caps)
 {
-       omap_enable_layer(0);
+       pl_rearmed_cbs.gpu_caps = caps;
 }
 
 void *pl_prepare_screenshot(int *w, int *h, int *bpp)
 {
-       *w = pl_fbdev_w;
-       *h = pl_fbdev_h;
-       *bpp = pl_fbdev_bpp;
+       void *ret = plat_prepare_screenshot(w, h, bpp);
+       if (ret != NULL)
+               return ret;
 
-       return pl_fbdev_buf;
+       *w = pl_vout_w;
+       *h = pl_vout_h;
+       *bpp = pl_vout_bpp;
+
+       return pl_vout_buf;
+}
+
+/* display/redering mode switcher */
+static int dispmode_default(void)
+{
+       pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
+       soft_filter = SOFT_FILTER_NONE;
+       snprintf(hud_msg, sizeof(hud_msg), "default mode");
+       return 1;
+}
+
+int dispmode_doubleres(void)
+{
+       if (!(pl_rearmed_cbs.gpu_caps & GPU_CAP_SUPPORTS_2X)
+           || !resolution_ok(psx_w * 2, psx_h * 2) || psx_bpp != 16)
+               return 0;
+
+       dispmode_default();
+       pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
+       snprintf(hud_msg, sizeof(hud_msg), "double resolution");
+       return 1;
+}
+
+int dispmode_scale2x(void)
+{
+       if (psx_bpp != 16)
+               return 0;
+
+       dispmode_default();
+       soft_filter = SOFT_FILTER_SCALE2X;
+       snprintf(hud_msg, sizeof(hud_msg), "scale2x");
+       return 1;
+}
+
+int dispmode_eagle2x(void)
+{
+       if (psx_bpp != 16)
+               return 0;
+
+       dispmode_default();
+       soft_filter = SOFT_FILTER_EAGLE2X;
+       snprintf(hud_msg, sizeof(hud_msg), "eagle2x");
+       return 1;
+}
+
+static int (*dispmode_switchers[])(void) = {
+       dispmode_default,
+#ifdef __ARM_NEON__
+       dispmode_doubleres,
+       dispmode_scale2x,
+       dispmode_eagle2x,
+#endif
+};
+
+static int dispmode_current;
+
+void pl_switch_dispmode(void)
+{
+       if (pl_rearmed_cbs.gpu_caps & GPU_CAP_OWNS_DISPLAY)
+               return;
+
+       while (1) {
+               dispmode_current++;
+               if (dispmode_current >=
+                   sizeof(dispmode_switchers) / sizeof(dispmode_switchers[0]))
+                       dispmode_current = 0;
+               if (dispmode_switchers[dispmode_current]())
+                       break;
+       }
+}
+
+#ifndef MAEMO
+/* adjust circle-like analog inputs to better match
+ * more square-like analogs in PSX */
+static void update_analog_nub_adjust(int *x_, int *y_)
+{
+       const int d = 16;
+       static const int scale[] =
+               { 0 - d*2,  0 - d*2,  0 - d*2, 12 - d*2,
+                30 - d*2, 60 - d*2, 75 - d*2, 60 - d*2, 60 - d*2 };
+       int x = abs(*x_);
+       int y = abs(*y_);
+       int scale_x = scale[y / 16];
+       int scale_y = scale[x / 16];
+
+       if (x) {
+               x += d + (x * scale_x >> 8);
+               if (*x_ < 0)
+                       x = -x;
+       }
+       if (y) {
+               y += d + (y * scale_y >> 8);
+               if (*y_ < 0)
+                       y = -y;
+       }
+
+       *x_ = x;
+       *y_ = y;
+}
+
+static void update_analogs(void)
+{
+       int *nubp[2] = { in_a1, in_a2 };
+       int vals[2];
+       int i, a, v, ret;
+
+       for (i = 0; i < 2; i++)
+       {
+               if (in_adev[i] < 0)
+                       continue;
+
+               for (a = 0; a < 2; a++) {
+                       vals[a] = 0;
+
+                       ret = in_update_analog(in_adev[i], in_adev_axis[i][a], &v);
+                       if (ret == 0)
+                               vals[a] = 128 * v / IN_ABS_RANGE;
+               }
+
+               if (in_adev_is_nublike[i])
+                       update_analog_nub_adjust(&vals[0], &vals[1]);
+
+               for (a = 0; a < 2; a++) {
+                       v = vals[a] + 127;
+                       if (v < 0) v = 0;
+                       else if (v > 255) v = 255;
+                       nubp[i][a] = v;
+               }
+
+       }
+       //printf("%4d %4d %4d %4d\n", in_a1[0], in_a1[1], in_a2[0], in_a2[1]);
 }
 
 static void update_input(void)
@@ -191,7 +505,7 @@ static void update_input(void)
 
        in_update(actions);
        if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
-               in_update_analogs();
+               update_analogs();
        emu_act = actions[IN_BINDTYPE_EMU];
        in_state_gun = (emu_act & SACTION_GUN_MASK) >> SACTION_GUN_TRIGGER;
 
@@ -205,41 +519,32 @@ static void update_input(void)
        emu_set_action(emu_act);
 
        in_keystate = actions[IN_BINDTYPE_PLAYER12];
-
-#ifdef X11
-       extern int x11_update_keys(unsigned int *action);
-       in_keystate |= x11_update_keys(&emu_act);
-       emu_set_action(emu_act);
-#endif
 }
+#else /* MAEMO */
+static void update_input(void)
+{
+}
+#endif
 
 void pl_update_gun(int *xn, int *xres, int *y, int *in)
 {
-       if (ts)
-               pl_gun_ts_update(ts, xn, y, in);
+       if (tsdev)
+               pl_gun_ts_update(tsdev, xn, y, in);
 
-       *xres = pl_fbdev_w;
-       *y = *y * pl_fbdev_h >> 10;
+       *xres = pl_vout_w;
+       *y = *y * pl_vout_h >> 10;
 }
 
 #define MAX_LAG_FRAMES 3
 
 #define tvdiff(tv, tv_old) \
        ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec)
-// assumes us < 1000000
-#define tvadd(tv, us) { \
-       tv.tv_usec += us; \
-       if (tv.tv_usec >= 1000000) { \
-               tv.tv_usec -= 1000000; \
-               tv.tv_sec++; \
-       } \
-}
 
 /* called on every vsync */
 void pl_frame_limit(void)
 {
        static struct timeval tv_old, tv_expect;
-       static int vsync_cnt_prev;
+       static int vsync_cnt_prev, drc_active_vsyncs;
        struct timeval now;
        int diff, usadj;
 
@@ -254,93 +559,92 @@ void pl_frame_limit(void)
 
        if (now.tv_sec != tv_old.tv_sec) {
                diff = tvdiff(now, tv_old);
-               vsps_cur = 0.0f;
+               pl_rearmed_cbs.vsps_cur = 0.0f;
                if (0 < diff && diff < 2000000)
-                       vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
+                       pl_rearmed_cbs.vsps_cur = 1000000.0f * (vsync_cnt - vsync_cnt_prev) / diff;
                vsync_cnt_prev = vsync_cnt;
-               flips_per_sec = flip_cnt;
-               flip_cnt = 0;
-               tv_old = now;
+
+               if (g_opts & OPT_SHOWFPS)
+                       pl_rearmed_cbs.flips_per_sec = pl_rearmed_cbs.flip_cnt;
+               pl_rearmed_cbs.flip_cnt = 0;
                if (g_opts & OPT_SHOWCPU)
-                       tick_per_sec = get_cpu_ticks();
+                       pl_rearmed_cbs.cpu_usage = get_cpu_ticks();
 
                if (hud_new_msg > 0) {
                        hud_new_msg--;
                        if (hud_new_msg == 0)
                                hud_msg[0] = 0;
                }
+               tv_old = now;
        }
 #ifdef PCNT
        static int ya_vsync_count;
        if (++ya_vsync_count == PCNT_FRAMES) {
-               pcnt_print(vsps_cur);
+               pcnt_print(pl_rearmed_cbs.vsps_cur);
                ya_vsync_count = 0;
        }
 #endif
 
-       tvadd(tv_expect, pl_frame_interval);
-       diff = tvdiff(tv_expect, now);
-       if (diff > MAX_LAG_FRAMES * pl_frame_interval || diff < -MAX_LAG_FRAMES * pl_frame_interval) {
-               //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, pl_frame_interval);
+       // tv_expect uses usec*1024 units instead of usecs for better accuracy
+       tv_expect.tv_usec += frame_interval1024;
+       if (tv_expect.tv_usec >= (1000000 << 10)) {
+               tv_expect.tv_usec -= (1000000 << 10);
+               tv_expect.tv_sec++;
+       }
+       diff = (tv_expect.tv_sec - now.tv_sec) * 1000000 + (tv_expect.tv_usec >> 10) - now.tv_usec;
+
+       if (diff > MAX_LAG_FRAMES * frame_interval || diff < -MAX_LAG_FRAMES * frame_interval) {
+               //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, frame_interval);
                tv_expect = now;
                diff = 0;
                // try to align with vsync
                usadj = vsync_usec_time;
-               while (usadj < tv_expect.tv_usec - pl_frame_interval)
-                       usadj += pl_frame_interval;
-               tv_expect.tv_usec = usadj;
+               while (usadj < tv_expect.tv_usec - frame_interval)
+                       usadj += frame_interval;
+               tv_expect.tv_usec = usadj << 10;
        }
 
-       if (!(g_opts & OPT_NO_FRAMELIM) && diff > pl_frame_interval) {
+       if (!(g_opts & OPT_NO_FRAMELIM) && diff > frame_interval) {
                // yay for working usleep on pandora!
-               //printf("usleep %d\n", diff - pl_frame_interval / 2);
-               usleep(diff - pl_frame_interval / 2);
+               //printf("usleep %d\n", diff - frame_interval / 2);
+               usleep(diff - frame_interval);
        }
 
        if (pl_rearmed_cbs.frameskip) {
-               if (diff < -pl_frame_interval)
+               if (diff < -frame_interval)
                        pl_rearmed_cbs.fskip_advice = 1;
                else if (diff >= 0)
                        pl_rearmed_cbs.fskip_advice = 0;
-       }
-
-       pcnt_start(PCNT_ALL);
-}
-
-static void pl_text_out16_(int x, int y, const char *text)
-{
-       int i, l, len = strlen(text), w = pl_fbdev_w;
-       unsigned short *screen = (unsigned short *)pl_fbdev_buf + x + y * w;
-       unsigned short val = 0xffff;
 
-       for (i = 0; i < len; i++, screen += 8)
-       {
-               for (l = 0; l < 8; l++)
-               {
-                       unsigned char fd = fontdata8x8[text[i] * 8 + l];
-                       unsigned short *s = screen + l * w;
-                       if (fd&0x80) s[0] = val;
-                       if (fd&0x40) s[1] = val;
-                       if (fd&0x20) s[2] = val;
-                       if (fd&0x10) s[3] = val;
-                       if (fd&0x08) s[4] = val;
-                       if (fd&0x04) s[5] = val;
-                       if (fd&0x02) s[6] = val;
-                       if (fd&0x01) s[7] = val;
+               // recompilation is not that fast and may cause frame skip on
+               // loading screens and such, resulting in flicker or glitches
+               if (new_dynarec_did_compile) {
+                       if (drc_active_vsyncs < 32)
+                               pl_rearmed_cbs.fskip_advice = 0;
+                       drc_active_vsyncs++;
                }
+               else
+                       drc_active_vsyncs = 0;
+               new_dynarec_did_compile = 0;
        }
+
+       pcnt_start(PCNT_ALL);
 }
 
-void pl_text_out16(int x, int y, const char *texto, ...)
+void pl_timing_prepare(int is_pal_)
 {
-       va_list args;
-       char    buffer[256];
-
-       va_start(args, texto);
-       vsnprintf(buffer, sizeof(buffer), texto, args);
-       va_end(args);
-
-       pl_text_out16_(x, y, buffer);
+       pl_rearmed_cbs.fskip_advice = 0;
+       pl_rearmed_cbs.flips_per_sec = 0;
+       pl_rearmed_cbs.cpu_usage = 0;
+
+       is_pal = is_pal_;
+       frame_interval = is_pal ? 20000 : 16667;
+       frame_interval1024 = is_pal ? 20000*1024 : 17066667;
+
+       // used by P.E.Op.S. frameskip code
+       pl_rearmed_cbs.gpu_peops.fFrameRateHz = is_pal ? 50.0f : 59.94f;
+       pl_rearmed_cbs.gpu_peops.dwFrameRateTicks =
+               (100000*100 / (unsigned long)(pl_rearmed_cbs.gpu_peops.fFrameRateHz*100));
 }
 
 static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
@@ -351,12 +655,26 @@ static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
        *h = g_layer_h;
 }
 
+static void *pl_mmap(unsigned int size)
+{
+       return plat_mmap(0, size, 0, 0);
+}
+
+static void pl_munmap(void *ptr, unsigned int size)
+{
+       plat_munmap(ptr, size);
+}
+
 struct rearmed_cbs pl_rearmed_cbs = {
        pl_get_layer_pos,
-       pl_fbdev_open,
-       pl_fbdev_set_mode,
-       pl_fbdev_flip,
-       pl_fbdev_close,
+       pl_vout_open,
+       pl_vout_set_mode,
+       pl_vout_flip,
+       pl_vout_close,
+
+       .mmap = pl_mmap,
+       .munmap = pl_munmap,
+       .pl_set_gpu_caps = pl_set_gpu_caps,
 };
 
 /* watchdog */
@@ -366,7 +684,7 @@ static void *watchdog_thread(void *unused)
        int seen_dead = 0;
        int sleep_time = 5;
 
-#ifndef NDEBUG
+#if !defined(NDEBUG) || defined(DRC_DBG)
        // don't interfere with debug
        return NULL;
 #endif
@@ -415,5 +733,14 @@ void pl_start_watchdog(void)
 
 void pl_init(void)
 {
-       ts = pl_gun_ts_init();
+       extern unsigned int hSyncCount; // from psxcounters
+       extern unsigned int frame_counter;
+
+       psx_w = psx_h = pl_vout_w = pl_vout_h = 256;
+       psx_bpp = pl_vout_bpp = 16;
+
+       tsdev = pl_gun_ts_init();
+
+       pl_rearmed_cbs.gpu_hcnt = &hSyncCount;
+       pl_rearmed_cbs.gpu_frame_count = &frame_counter;
 }