proper screen cleanup and switching back&forth between screens

[gbajam22] / src / voxscape.c

diff --git a/src/voxscape.c b/src/voxscape.c
index a1e141e..5cd9e0d 100644 (file)
--- a/src/voxscape.c
+++ b/src/voxscape.c
@@ -60,6 +60,17 @@ int vox_init(int xsz, int ysz, uint8_t *himg, uint8_t *cimg)
        vox_height = himg;
        vox_color = cimg;
 
+       vox_fb = 0;
+       vox_coltop = 0;
+       vox_horizon = 0;
+       vox_x = vox_y = vox_angle = 0;
+       vox_fov = 0;
+       vox_znear = vox_zfar = 0;
+       vox_nslices = 0;
+       vox_slicelen = 0;
+       vox_valid = 0;
+       projlut = 0;
+
        vox_vheight = 80;
 
        return 0;
@@ -67,10 +78,7 @@ int vox_init(int xsz, int ysz, uint8_t *himg, uint8_t *cimg)
 
 void vox_destroy(void)
 {
-       free(vox_color);
-       free(vox_height);
-       free(vox_coltop);
-       free(vox_slicelen);
+       /* XXX we rely on the screen to clear up any allocated IWRAM */
 }
 
 #define H(x, y)        \