Cell: New color packing functions (A8R8G8B8 and B8G8R8A8)

This commit is contained in:
Brian 2008-02-01 15:45:02 -07:00 committed by Ben Skeggs
parent 245c6a4cd5
commit de5d995201
2 changed files with 69 additions and 13 deletions

View file

@ -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 */

View file

@ -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);