+// XXX: this is platform specific really
+static inline 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;
+ int buf_yoffset = 0;
+
+ // 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;
+ psx_bpp = bpp;
+ vout_w = w;
+ vout_h = h;
+ vout_bpp = bpp;
+ if (pl_rearmed_cbs.only_16bpp)
+ vout_bpp = 16;
+
+ assert(vout_h >= 192);
+
+ pl_vout_scale_w = pl_vout_scale_h = 1;
+#ifdef __ARM_NEON__
+ if (soft_filter) {
+ if (resolution_ok(w * 2, h * 2) && bpp == 16) {
+ pl_vout_scale_w = 2;
+ pl_vout_scale_h = 2;
+ }
+ else {
+ // filter unavailable
+ hud_msg[0] = 0;
+ }
+ }
+ else if (scanlines != 0 && scanline_level != 100 && bpp == 16) {
+ if (h <= 256)
+ pl_vout_scale_h = 2;
+ }
+#endif
+ vout_w *= pl_vout_scale_w;
+ vout_h *= pl_vout_scale_h;
+
+ 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, vout_bpp);
+ else {
+ pl_vout_w = vout_w;
+ pl_vout_h = vout_h;
+ pl_vout_bpp = vout_bpp;
+ pl_vout_yoffset = buf_yoffset;
+ }
+ if (pl_vout_buf != NULL)
+ pl_vout_buf = (char *)pl_vout_buf
+ + pl_vout_yoffset * pl_vout_w * pl_vout_bpp / 8;
+
+ 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 x, int y, int w, int h, int dims_changed)
+{
+ static int clear_counter;
+ unsigned char *dest = pl_vout_buf;
+ const unsigned short *src = vram;
+ int dstride = pl_vout_w, h1 = h;
+ int h_full = pl_vout_h - pl_vout_yoffset;
+ int xoffs = 0, doffs;
+
+ pcnt_start(PCNT_BLIT);
+
+ if (vram == NULL) {
+ // blanking
+ if (pl_plat_clear)
+ pl_plat_clear();
+ else
+ memset(pl_vout_buf, 0,
+ dstride * h_full * pl_vout_bpp / 8);
+ goto out_hud;
+ }
+
+ assert(x + w <= pl_vout_w);
+ assert(y + h <= pl_vout_h);
+
+ // offset
+ xoffs = x * pl_vout_scale_w;
+ doffs = xoffs + y * dstride;
+
+ if (dims_changed)
+ clear_counter = 2;
+
+ if (clear_counter > 0) {
+ if (pl_plat_clear)
+ pl_plat_clear();
+ else
+ memset(pl_vout_buf, 0,
+ dstride * h_full * 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_w == 2)
+ {
+ neon_scale2x_16_16(src, (void *)dest, w,
+ stride * 2, dstride * 2, h);
+ }
+ else if (soft_filter == SOFT_FILTER_EAGLE2X && pl_vout_scale_w == 2)
+ {
+ neon_eagle2x_16_16(src, (void *)dest, w,
+ stride * 2, dstride * 2, h);