+ 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;
+}
+
+// XXX: this is platform specific really
+static int resolution_ok(int w, int h)
+{
+ return w <= 1024 && h <= 512;
+}
+
+static void pl_vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
+{
+ 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;
+
+ psx_w = raw_w;
+ psx_h = raw_h;
+ vout_w = w;
+ vout_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
+
+ update_layer_size(vout_w, vout_h);
+
+ pl_vout_buf = plat_gvideo_set_mode(&vout_w, &vout_h, &vout_bpp);
+ if (pl_vout_buf == NULL && pl_plat_blit == NULL)
+ fprintf(stderr, "failed to set mode %dx%d@%d\n",
+ vout_w, vout_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 (vram == NULL) {
+ // blanking
+ if (pl_plat_clear)
+ pl_plat_clear();
+ else
+ memset(pl_vout_buf, 0,
+ dstride * pl_vout_h * pl_vout_bpp / 8);
+ goto out_hud;
+ }
+
+ // borders
+ doffs = (dstride - w * pl_vout_scale) / 2 & ~1;
+
+ if (doffs > doffs_old)
+ clear_counter = 2;
+ doffs_old = doffs;
+
+ if (clear_counter > 0) {
+ if (pl_plat_clear)
+ pl_plat_clear();
+ else
+ memset(pl_vout_buf, 0,
+ dstride * pl_vout_h * pl_vout_bpp / 8);
+ clear_counter--;
+ }
+
+ if (pl_plat_blit)
+ {
+ pl_plat_blit(doffs, src, w, h, stride, bgr24);
+ goto out_hud;
+ }
+
+ if (dest == NULL)
+ goto out;
+
+ dest += doffs * 2;
+
+ 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, h);
+ }
+ else if (soft_filter == SOFT_FILTER_EAGLE2X && pl_vout_scale == 2)
+ {
+ neon_eagle2x_16_16(src, (void *)dest, w,
+ stride * 2, dstride * 2, h);
+ }
+#endif
+ else
+ {
+ for (; h1-- > 0; dest += dstride * 2, src += stride)
+ {
+ bgr555_to_rgb565(dest, src, w * 2);
+ }