Initial revision

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 42 insertions, 0 deletions

diff --git a/libvo/rgb15to16mmx.c b/libvo/rgb15to16mmx.c
new file mode 100644
index 0000000000..bb9cb977ce
--- /dev/null
+++ b/libvo/rgb15to16mmx.c
@@ -0,0 +1,42 @@
+// Original by Strepto/Astral
+// ported to gcc & bugfixed : A'rpi
+
+#include <inttypes.h>
+//#include "attributes.h"
+#include "mmx.h"
+
+void rgb15to16_mmx(char* s0,char* d0,int count){
+  static uint64_t mask_b  = 0x001F001F001F001FLL; // 00000000 00011111  xxB
+  static uint64_t mask_rg = 0x7FE07FE07FE07FE0LL; // 01111111 11100000  RGx
+  register char* s=s0+count;
+  register char* d=d0+count;
+  register int offs=-count;
+  movq_m2r (mask_b,  mm4);
+  movq_m2r (mask_rg, mm5);
+  while(offs<0){
+    movq_m2r (*(s+offs), mm0);
+    movq_r2r (mm0, mm1);
+
+    movq_m2r (*(s+8+offs), mm2);
+    movq_r2r (mm2, mm3);
+    
+    pand_r2r (mm4, mm0);
+    pand_r2r (mm5, mm1);
+    
+    psllq_i2r(1,mm1);
+    pand_r2r (mm4, mm2);
+
+    pand_r2r (mm5, mm3);
+    por_r2r  (mm1, mm0);
+
+    psllq_i2r(1,mm3);
+    movq_r2m (mm0,*(d+offs));
+
+    por_r2r  (mm3,mm2);
+    movq_r2m (mm2,*(d+8+offs));
+
+    offs+=16;
+  }
+  emms();
+}
+