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/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2001 Brian Paul 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
/*
* New (3.1) transformation code written by Keith Whitwell.
*/
#define COPY_FUNC( BITS ) \
static void TAG2(copy, BITS)( GLvector4f *to, const GLvector4f *f ) \
{ \
GLfloat (*t)[4] = (GLfloat (*)[4])to->start; \
GLfloat *from = f->start; \
GLuint stride = f->stride; \
GLuint count = to->count; \
GLuint i; \
\
if (BITS) \
STRIDE_LOOP { \
if (BITS&1) t[i][0] = from[0]; \
if (BITS&2) t[i][1] = from[1]; \
if (BITS&4) t[i][2] = from[2]; \
if (BITS&8) t[i][3] = from[3]; \
} \
}
/* We got them all here:
*/
COPY_FUNC( 0x0 ) /* noop */
COPY_FUNC( 0x1 )
COPY_FUNC( 0x2 )
COPY_FUNC( 0x3 )
COPY_FUNC( 0x4 )
COPY_FUNC( 0x5 )
COPY_FUNC( 0x6 )
COPY_FUNC( 0x7 )
COPY_FUNC( 0x8 )
COPY_FUNC( 0x9 )
COPY_FUNC( 0xa )
COPY_FUNC( 0xb )
COPY_FUNC( 0xc )
COPY_FUNC( 0xd )
COPY_FUNC( 0xe )
COPY_FUNC( 0xf )
static void TAG2(init_copy, 0)( void )
{
_mesa_copy_tab[0x0] = TAG2(copy, 0x0);
_mesa_copy_tab[0x1] = TAG2(copy, 0x1);
_mesa_copy_tab[0x2] = TAG2(copy, 0x2);
_mesa_copy_tab[0x3] = TAG2(copy, 0x3);
_mesa_copy_tab[0x4] = TAG2(copy, 0x4);
_mesa_copy_tab[0x5] = TAG2(copy, 0x5);
_mesa_copy_tab[0x6] = TAG2(copy, 0x6);
_mesa_copy_tab[0x7] = TAG2(copy, 0x7);
_mesa_copy_tab[0x8] = TAG2(copy, 0x8);
_mesa_copy_tab[0x9] = TAG2(copy, 0x9);
_mesa_copy_tab[0xa] = TAG2(copy, 0xa);
_mesa_copy_tab[0xb] = TAG2(copy, 0xb);
_mesa_copy_tab[0xc] = TAG2(copy, 0xc);
_mesa_copy_tab[0xd] = TAG2(copy, 0xd);
_mesa_copy_tab[0xe] = TAG2(copy, 0xe);
_mesa_copy_tab[0xf] = TAG2(copy, 0xf);
}
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