initial f200 touchscreen support

[ginge.git] / common / host_fb.c

diff --git a/common/host_fb.c b/common/host_fb.c
index d0cc754..6be9526 100644 (file)
--- a/common/host_fb.c
+++ b/common/host_fb.c
@@ -1,4 +1,9 @@
-// vim:shiftwidth=2:expandtab
+/*
+ * GINGE - GINGE Is Not Gp2x Emulator
+ * (C) notaz, 2010-2011
+ *
+ * This work is licensed under the MAME license, see COPYING file for details.
+ */
 #include <string.h>
 #ifdef LOADER
 #include "../loader/realfuncs.h"
@@ -11,11 +16,32 @@ static int host_stride;
 
 #if defined(PND)
 
-#include "linux/fbdev.c"
+#include "libpicofe/linux/fbdev.c"
+#include "omapfb.h"
 
 static struct vout_fbdev *fbdev;
 static unsigned short host_pal[256];
 
+static int get_layer_size(int *x, int *y, int *w, int *h)
+{
+  struct omapfb_plane_info pi;
+  int ret;
+
+  ret = ioctl(vout_fbdev_get_fd(fbdev), OMAPFB_QUERY_PLANE, &pi);
+  if (ret != 0) {
+    perror("OMAPFB_QUERY_PLANE");
+    return -1;
+  }
+
+  *x = pi.pos_x;
+  *y = pi.pos_y;
+  *w = pi.out_width;
+  *h = pi.out_height;
+  printf("layer: %d,%d %dx%d\n", *x, *y, *w, *h);
+
+  return 0;
+}
+
 void *host_video_flip(void)
 {
   host_screen = vout_fbdev_flip(fbdev);
@@ -32,7 +58,7 @@ int host_video_init(int *stride, int no_dblbuf)
     fbdev_name = "/dev/fb1";
 
   w = h = 0;
-  fbdev = vout_fbdev_init(fbdev_name, &w, &h, 16, no_dblbuf);
+  fbdev = vout_fbdev_init(fbdev_name, &w, &h, 16, no_dblbuf ? 1 : 3);
   if (fbdev == NULL)
     return -1;
 
@@ -115,6 +141,18 @@ void host_video_blit16(const unsigned short *src, int w, int h, int stride)
   host_video_flip();
 }
 
+void host_video_normalize_ts(int *x1024, int *y1024)
+{
+  static int lx, ly, lw = 800, lh = 480, checked;
+
+  if (!checked) {
+    get_layer_size(&lx, &ly, &lw, &lh);
+    checked = 1; // XXX: might change, so may need to recheck
+  }
+  *x1024 = (*x1024 - lx) * 1024 / lw;
+  *y1024 = (*y1024 - ly) * 1024 / lh;
+}
+
 #elif defined(WIZ)
 
 #include "warm/warm.c"
@@ -204,5 +242,12 @@ void host_video_blit16(const unsigned short *src, int w, int h, int stride)
 }
 #endif // LOADER
 
+void host_video_normalize_ts(int *x1024, int *y1024)
+{
+  *x1024 = *x1024 * 1024 / 320;
+  *y1024 = *y1024 * 1024 / 240;
+}
+
 #endif // WIZ
 
+// vim:shiftwidth=2:expandtab