Cell: New color packing functions (A8R8G8B8 and B8G8R8A8)

2 files changed, 69 insertions, 13 deletions

diff --git a/src/mesa/pipe/cell/spu/spu_colorpack.h b/src/mesa/pipe/cell/spu/spu_colorpack.h
new file mode 100644
index 0000000000..56709bd9f3
--- /dev/null
+++ b/src/mesa/pipe/cell/spu/spu_colorpack.h
@@ -0,0 +1,60 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+
+
+#ifndef SPU_COLORPACK_H
+#define SPU_COLORPACK_H
+
+
+#include <vec_literal.h>
+#include <spu_intrinsics.h>
+
+
+static INLINE unsigned int
+spu_pack_A8R8G8B8(vector float rgba)
+{
+  vector unsigned int out = spu_convtu(rgba, 32);
+  out = spu_shuffle(out, out, VEC_LITERAL(vector unsigned char,
+					  12, 0, 4, 8, 0, 0, 0, 0, 
+                                          0, 0, 0, 0, 0, 0, 0, 0));
+  return spu_extract(out, 0);
+}
+
+
+static INLINE unsigned int
+spu_pack_B8G8R8A8(vector float rgba)
+{
+  vector unsigned int out = spu_convtu(rgba, 32);
+  out = spu_shuffle(out, out, VEC_LITERAL(vector unsigned char,
+					  8, 4, 0, 12, 0, 0, 0, 0, 
+                                          0, 0, 0, 0, 0, 0, 0, 0));
+  return spu_extract(out, 0);
+}
+
+
+#endif /* SPU_COLORPACK_H */
diff --git a/src/mesa/pipe/cell/spu/spu_tri.c b/src/mesa/pipe/cell/spu/spu_tri.c
index 6f61a3d816..c82ca51000 100644
--- a/src/mesa/pipe/cell/spu/spu_tri.c
+++ b/src/mesa/pipe/cell/spu/spu_tri.c
@@ -29,11 +29,10 @@
  * Triangle rendering within a tile.
  */
 
-#include <pack_rgba8.h>
-
 #include "pipe/p_compiler.h"
 #include "pipe/p_format.h"
 #include "pipe/p_util.h"
+#include "spu_colorpack.h"
 #include "spu_main.h"
 #include "spu_texture.h"
 #include "spu_tile.h"
@@ -253,21 +252,18 @@ eval_z(float x, float y)
 static INLINE void
 pack_colors(uint uicolors[4], const float4 fcolors[4])
 {
-   /* XXX grab the code for _pack_rgba8() and use the shuffle
-    * command to do the swizzling seen here.
-    */
    switch (spu.fb.color_format) {
    case PIPE_FORMAT_A8R8G8B8_UNORM:
-      uicolors[0] = _pack_rgba8(fcolors[0].f[3], fcolors[0].f[0], fcolors[0].f[1], fcolors[0].f[2]);
-      uicolors[1] = _pack_rgba8(fcolors[1].f[3], fcolors[1].f[0], fcolors[1].f[1], fcolors[1].f[2]);
-      uicolors[2] = _pack_rgba8(fcolors[2].f[3], fcolors[2].f[0], fcolors[2].f[1], fcolors[2].f[2]);
-      uicolors[3] = _pack_rgba8(fcolors[3].f[3], fcolors[0].f[0], fcolors[3].f[1], fcolors[3].f[2]);
+      uicolors[0] = spu_pack_A8R8G8B8(fcolors[0].v);
+      uicolors[1] = spu_pack_A8R8G8B8(fcolors[1].v);
+      uicolors[2] = spu_pack_A8R8G8B8(fcolors[2].v);
+      uicolors[3] = spu_pack_A8R8G8B8(fcolors[3].v);
       break;
    case PIPE_FORMAT_B8G8R8A8_UNORM:
-      uicolors[0] = _pack_rgba8(fcolors[0].f[2], fcolors[0].f[1], fcolors[0].f[0], fcolors[0].f[3]);
-      uicolors[1] = _pack_rgba8(fcolors[1].f[2], fcolors[1].f[1], fcolors[1].f[0], fcolors[1].f[3]);
-      uicolors[2] = _pack_rgba8(fcolors[2].f[2], fcolors[2].f[1], fcolors[2].f[0], fcolors[2].f[3]);
-      uicolors[3] = _pack_rgba8(fcolors[3].f[2], fcolors[3].f[1], fcolors[3].f[0], fcolors[3].f[3]);
+      uicolors[0] = spu_pack_B8G8R8A8(fcolors[0].v);
+      uicolors[1] = spu_pack_B8G8R8A8(fcolors[1].v);
+      uicolors[2] = spu_pack_B8G8R8A8(fcolors[2].v);
+      uicolors[3] = spu_pack_B8G8R8A8(fcolors[3].v);
       break;
    default:
       ASSERT(0);