diff options
Diffstat (limited to 'mesalib/src/mesa/math/m_copy_tmp.h')
| -rw-r--r-- | mesalib/src/mesa/math/m_copy_tmp.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/mesalib/src/mesa/math/m_copy_tmp.h b/mesalib/src/mesa/math/m_copy_tmp.h new file mode 100644 index 000000000..07ab1f7b2 --- /dev/null +++ b/mesalib/src/mesa/math/m_copy_tmp.h @@ -0,0 +1,86 @@ + +/* + * Mesa 3-D graphics library + * Version: 3.5 + * + * 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 + * BRIAN PAUL 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); +} |