1 files changed, 30 insertions, 0 deletions
diff --git a/system/pdp_imageproc_mmx.c b/system/pdp_imageproc_mmx.c
index 4c347c6..fde790f 100644
--- a/system/pdp_imageproc_mmx.c
+++ b/system/pdp_imageproc_mmx.c
@@ -26,6 +26,36 @@
 #include "pdp_imageproc.h"
 #include "m_pd.h"
 
+/* round image dims to next multiple of 8 */
+u32 pdp_imageproc_legalwidth(int i)
+{
+    if (i>1024) return 1024;
+    if (i>0) return  ((((i-1)>>3)+1)<<3);
+    return 8;
+    
+}
+
+u32 pdp_imageproc_legalheight(int i)
+{
+    if (i>1024) return 1024;
+    if (i>0) return  ((((i-1)>>3)+1)<<3);
+    return 8;
+}
+u32 pdp_imageproc_legalwidth_round_down(int i)
+{
+    if (i>1024) return 1024;
+    if (i>8) return  ((i>>3)<<3);
+    return 8;
+    
+}
+
+u32 pdp_imageproc_legalheight_round_down(int i)
+{
+    if (i>1024) return 1024;
+    if (i>8) return  ((i>>3)<<3);
+    return 8;
+}
+
 // utility stuff
 inline static s16 float2fixed(float f)
 {