From: Brian <brian.paul@tungstengraphics.com>
Date: Mon, 4 Feb 2008 19:50:16 +0000 (-0700)
Subject: Cell: added spu_unpack_color(), spu_pack_R8G8B8A8()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=382651a4fafbea0c24e993933cb08a7ba19abcb7;p=mesa.git

Cell: added spu_unpack_color(), spu_pack_R8G8B8A8()
---

diff --git a/src/mesa/pipe/cell/spu/spu_colorpack.h b/src/mesa/pipe/cell/spu/spu_colorpack.h
index 9977a6ece0e..0c93c065627 100644
--- a/src/mesa/pipe/cell/spu/spu_colorpack.h
+++ b/src/mesa/pipe/cell/spu/spu_colorpack.h
@@ -35,6 +35,17 @@
 #include <spu_intrinsics.h>
 
 
+static INLINE unsigned int
+spu_pack_R8G8B8A8(vector float rgba)
+{
+  vector unsigned int out = spu_convtu(rgba, 32);
+  out = spu_shuffle(out, out, VEC_LITERAL(vector unsigned char,
+					  0, 4, 8, 12, 0, 0, 0, 0, 
+                                          0, 0, 0, 0, 0, 0, 0, 0));
+  return spu_extract(out, 0);
+}
+
+
 static INLINE unsigned int
 spu_pack_A8R8G8B8(vector float rgba)
 {
@@ -66,4 +77,18 @@ spu_pack_color_shuffle(vector float rgba, vector unsigned char shuffle)
 }
 
 
+static INLINE vector float
+spu_unpack_color(uint color)
+{
+   vector unsigned int color_u4 = spu_splats(color);
+   color_u4 = spu_shuffle(color_u4, color_u4,
+                          VEC_LITERAL(vector unsigned char,
+                                      0, 0, 0, 0,
+                                      5, 5, 5, 5,
+                                      10, 10, 10, 10,
+                                      15, 15, 15, 15));
+   return spu_convtf(color_u4, 32);
+}
+
+
 #endif /* SPU_COLORPACK_H */