mirror of
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86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
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/*
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* Mesa 3-D graphics library
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* Version: 3.5
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*
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* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* New (3.1) transformation code written by Keith Whitwell.
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*/
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#define COPY_FUNC( BITS ) \
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static void TAG2(copy, BITS)( GLvector4f *to, const GLvector4f *f ) \
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{ \
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GLfloat (*t)[4] = (GLfloat (*)[4])to->start; \
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GLfloat *from = f->start; \
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GLuint stride = f->stride; \
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GLuint count = to->count; \
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GLuint i; \
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\
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if (BITS) \
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STRIDE_LOOP { \
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if (BITS&1) t[i][0] = from[0]; \
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if (BITS&2) t[i][1] = from[1]; \
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if (BITS&4) t[i][2] = from[2]; \
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if (BITS&8) t[i][3] = from[3]; \
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} \
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}
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/* We got them all here:
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*/
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COPY_FUNC( 0x0 ) /* noop */
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COPY_FUNC( 0x1 )
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COPY_FUNC( 0x2 )
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COPY_FUNC( 0x3 )
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COPY_FUNC( 0x4 )
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COPY_FUNC( 0x5 )
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COPY_FUNC( 0x6 )
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COPY_FUNC( 0x7 )
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COPY_FUNC( 0x8 )
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COPY_FUNC( 0x9 )
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COPY_FUNC( 0xa )
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COPY_FUNC( 0xb )
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COPY_FUNC( 0xc )
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COPY_FUNC( 0xd )
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COPY_FUNC( 0xe )
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COPY_FUNC( 0xf )
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static void TAG2(init_copy, 0)( void )
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{
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_mesa_copy_tab[0x0] = TAG2(copy, 0x0);
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_mesa_copy_tab[0x1] = TAG2(copy, 0x1);
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_mesa_copy_tab[0x2] = TAG2(copy, 0x2);
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_mesa_copy_tab[0x3] = TAG2(copy, 0x3);
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_mesa_copy_tab[0x4] = TAG2(copy, 0x4);
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_mesa_copy_tab[0x5] = TAG2(copy, 0x5);
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_mesa_copy_tab[0x6] = TAG2(copy, 0x6);
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_mesa_copy_tab[0x7] = TAG2(copy, 0x7);
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_mesa_copy_tab[0x8] = TAG2(copy, 0x8);
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_mesa_copy_tab[0x9] = TAG2(copy, 0x9);
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_mesa_copy_tab[0xa] = TAG2(copy, 0xa);
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_mesa_copy_tab[0xb] = TAG2(copy, 0xb);
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_mesa_copy_tab[0xc] = TAG2(copy, 0xc);
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_mesa_copy_tab[0xd] = TAG2(copy, 0xd);
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_mesa_copy_tab[0xe] = TAG2(copy, 0xe);
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_mesa_copy_tab[0xf] = TAG2(copy, 0xf);
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}
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