frontend: generic: preliminary SDL support

1 files changed, 154 insertions, 0 deletions

diff --git a/frontend/plat_sdl.c b/frontend/plat_sdl.c
new file mode 100644
index 0000000..015450d
--- /dev/null
+++ b/frontend/plat_sdl.c
@@ -0,0 +1,154 @@
+/*
+ * (C) Gražvydas "notaz" Ignotas, 2011,2012
+ *
+ * This work is licensed under the terms of any of these licenses
+ * (at your option):
+ *  - GNU GPL, version 2 or later.
+ *  - GNU LGPL, version 2.1 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include <stdio.h>
+#include <SDL.h>
+#include "common/input.h"
+#include "common/in_sdl.h"
+#include "common/menu.h"
+#include "plat.h"
+#include "revision.h"
+
+// XXX
+struct in_default_bind in_evdev_defbinds[] = {
+	{ 0, 0, 0 }
+};
+
+static SDL_Surface *screen;
+
+static int change_video_mode(int w, int h)
+{
+  screen = SDL_SetVideoMode(w, h, 16, 0);
+  if (screen == NULL) {
+    fprintf(stderr, "SDL_SetVideoMode failed: %s\n", SDL_GetError());
+    return -1;
+  }
+
+  return 0;
+}
+
+void plat_init(void)
+{
+  int ret;
+
+  ret = SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE);
+  if (ret != 0) {
+    fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError());
+    exit(1);
+  }
+
+  g_menuscreen_w = 640;
+  g_menuscreen_h = 480;
+  ret = change_video_mode(g_menuscreen_w, g_menuscreen_h);
+  if (ret != 0) {
+    ret = change_video_mode(0, 0);
+    if (ret != 0)
+      goto fail;
+
+    if (screen->w < 320 || screen->h < 240) {
+      fprintf(stderr, "resolution %dx%d is too small, sorry.\n",
+              screen->w, screen->h);
+      goto fail;
+    }
+    g_menuscreen_w = screen->w;
+    g_menuscreen_h = screen->h;
+  }
+  SDL_WM_SetCaption("PCSX-ReARMed " REV, NULL);
+
+  in_sdl_init();
+  in_probe();
+  return;
+
+fail:
+  SDL_Quit();
+  exit(1);
+}
+
+void plat_finish(void)
+{
+  SDL_Quit();
+}
+
+void plat_gvideo_open(void)
+{
+}
+
+void *plat_gvideo_set_mode(int *w, int *h, int *bpp)
+{
+  change_video_mode(*w, *h);
+  return screen->pixels;
+}
+
+void *plat_gvideo_flip(void)
+{
+  SDL_Flip(screen);
+  return screen->pixels;
+}
+
+void plat_gvideo_close(void)
+{
+}
+
+void plat_video_menu_enter(int is_rom_loaded)
+{
+  change_video_mode(g_menuscreen_w, g_menuscreen_h);
+}
+
+void plat_video_menu_begin(void)
+{
+  SDL_LockSurface(screen);
+  g_menuscreen_ptr = screen->pixels;
+}
+
+void plat_video_menu_end(void)
+{
+  SDL_UnlockSurface(screen);
+  SDL_Flip(screen);
+  g_menuscreen_ptr = NULL;
+}
+
+void plat_video_menu_leave(void)
+{
+}
+
+/* unused stuff */
+void *plat_prepare_screenshot(int *w, int *h, int *bpp)
+{
+  return 0;
+}
+
+int plat_cpu_clock_get(void)
+{
+  return -1;
+}
+
+int plat_cpu_clock_apply(int cpu_clock)
+{
+  return -1;
+}
+
+int plat_get_bat_capacity(void)
+{
+  return -1;
+}
+
+void plat_step_volume(int is_up)
+{
+}
+
+void plat_trigger_vibrate(int is_strong)
+{
+}
+
+void plat_minimize(void)
+{
+}
+
+// vim:shiftwidth=2:expandtab