Grayscale support for rockboy - can't work without markuns patch,

needs rockbox' internal framebuffer in 2 bit (4 pixels / byte) format.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6132 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 15 insertions, 1 deletions

diff --git a/apps/plugins/rockboy/sys_rockbox.c b/apps/plugins/rockboy/sys_rockbox.c
index 1cce81478b..9f6b588b47 100644
--- a/apps/plugins/rockboy/sys_rockbox.c
+++ b/apps/plugins/rockboy/sys_rockbox.c
@@ -236,9 +236,22 @@ void vid_update(int scanline)
 #else /* LCD_HEIGHT != 64, iRiver */
     if (fb.mode==1)
       scanline-=16;
+#ifdef GRAYSCALE
+    scanline_remapped = scanline / 4;
+#else
     scanline_remapped = scanline / 8;
+#endif      
     frameb = rb->lcd_framebuffer + scanline_remapped * LCD_WIDTH;
     while (cnt < 160) {
+#ifdef GRAYSCALE
+        *(frameb++) = (scan.buf[0][cnt]&0x3) |
+                      ((scan.buf[1][cnt]&0x3)<<2) |
+                      ((scan.buf[2][cnt]&0x3)<<4) |
+                      ((scan.buf[3][cnt]&0x3)<<6);
+        cnt++;
+    }
+    rb->lcd_update_rect(0, scanline & ~3, LCD_WIDTH, 4); //8);
+#else       
         register unsigned scrbyte = 0;
         if (scan.buf[0][cnt] & 0x02)  scrbyte |= 0x01;
         if (scan.buf[1][cnt] & 0x02)  scrbyte |= 0x02;
@@ -252,7 +265,8 @@ void vid_update(int scanline)
         cnt++;
     }
     rb->lcd_update_rect(0, scanline & ~7, LCD_WIDTH, 8);
-#endif
+#endif /* GRAYSCALE */
+#endif /* LCD_HEIGHT */
 }
 
 void vid_end(void)