initial pandora port, with hardware scaling and stuff

[gpsp.git] / video.c

diff --git a/video.c b/video.c
index ffc6c7c..a33accf 100644 (file)
--- a/video.c
+++ b/video.c
@@ -102,6 +102,16 @@ const u32 screen_pitch = 320;
 #define get_screen_pitch()                                                    \
   screen_pitch                                                                \
 
+#elif defined(PND_BUILD)
+
+static u16 *screen_pixels = NULL;
+
+#define get_screen_pixels()                                                   \
+  screen_pixels                                                               \
+
+#define get_screen_pitch()                                                    \
+  resolution_width                                                            \
+
 #else
 
 #ifdef GP2X_BUILD
@@ -2432,6 +2442,9 @@ void expand_normal(u16 *screen_ptr, u32 start, u32 end)
 #endif
 
 
+void expand_blend(u32 *screen_src_ptr, u16 *screen_dest_ptr,
+ u32 start, u32 end);
+
 #ifndef ARM_ARCH
 
 void expand_blend(u32 *screen_src_ptr, u16 *screen_dest_ptr,
@@ -3389,6 +3402,13 @@ no_clean:
   screen_pixels = (u16 *)gpsp_gp2x_screen + screen_offset;
 }
 
+#elif defined(PND_BUILD)
+
+void flip_screen()
+{
+  screen_pixels = fb_flip_screen();
+}
+
 #else
 
 #define integer_scale_copy_2()                                                \
@@ -3598,7 +3618,7 @@ void init_video()
   GE_CMD(NOP, 0);
 }
 
-#elif defined(WIZ_BUILD)
+#elif defined(WIZ_BUILD) || defined(PND_BUILD)
 
 void init_video()
 {
@@ -3793,6 +3813,42 @@ void clear_screen(u16 color)
     *p++ = col;
 }
 
+#elif defined(PND_BUILD)
+
+void video_resolution_large()
+{
+  resolution_width = 400;
+  resolution_height = 272;
+
+  fb_set_mode(400, 272, 1, 15, screen_filter);
+  flip_screen();
+  clear_screen(0);
+}
+
+void video_resolution_small()
+{
+  resolution_width = 240;
+  resolution_height = 160;
+
+  fb_set_mode(240, 160, 4, screen_scale, screen_filter);
+  flip_screen();
+  clear_screen(0);
+}
+
+void set_gba_resolution(video_scale_type scale)
+{
+  screen_scale = scale;
+}
+
+void clear_screen(u16 color)
+{
+  u32 col = ((u32)color << 16) | color;
+  u32 *p = (u32 *)get_screen_pixels();
+  int c = resolution_width * resolution_height / 2;
+  while (c-- > 0)
+    *p++ = col;
+}
+
 #else
 
 void video_resolution_large()
@@ -3900,17 +3956,18 @@ void blit_to_screen(u16 *src, u32 w, u32 h, u32 dest_x, u32 dest_y)
   u32 pitch = get_screen_pitch();
   u16 *dest_ptr = get_screen_pixels() + dest_x + (dest_y * pitch);
 
+  s32 w1 = dest_x + w > pitch ? pitch - dest_x : w;
   u16 *src_ptr = src;
-  u32 line_skip = pitch - w;
-  u32 x, y;
+  s32 x, y;
 
   for(y = 0; y < h; y++)
   {
-    for(x = 0; x < w; x++, src_ptr++, dest_ptr++)
+    for(x = 0; x < w1; x++)
     {
-      *dest_ptr = *src_ptr;
+      dest_ptr[x] = src_ptr[x];
     }
-    dest_ptr += line_skip;
+    src_ptr += w;
+    dest_ptr += pitch;
   }
 }