src/mesa/math/m_copy_tmp.h

   1 /* $Id: m_copy_tmp.h,v 1.2 2000/12/26 05:09:31 keithw Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.1
   6  *
   7  * Copyright (C) 1999  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 /*
  28  * New (3.1) transformation code written by Keith Whitwell.
  29  */
  30
  31
  32 #define COPY_FUNC( BITS )                                               \
  33 static void TAG2(copy, BITS)(GLvector4f *to, const GLvector4f *f,       \
  34                              const GLubyte mask[] )                     \
  35 {                                                                       \
  36    GLfloat (*t)[4] = (GLfloat (*)[4])to->start;                         \
  37    GLfloat *from = f->start;                                            \
  38    GLuint stride = f->stride;                                           \
  39    GLuint count = f->count;                                             \
  40    GLuint i;                                                            \
  41    (void) mask;                                                         \
  42                                                                         \
  43    if (BITS)                                                            \
  44       STRIDE_LOOP {                                                     \
  45          CULL_CHECK {                                                   \
  46             if (BITS&1) t[i][0] = from[0];                              \
  47             if (BITS&2) t[i][1] = from[1];                              \
  48             if (BITS&4) t[i][2] = from[2];                              \
  49             if (BITS&8) t[i][3] = from[3];                              \
  50          }                                                              \
  51       }                                                                 \
  52 }
  53
  54 /* We got them all here:
  55  */
  56 COPY_FUNC( 0x0 )                /* noop */
  57 COPY_FUNC( 0x1 )
  58 COPY_FUNC( 0x2 )
  59 COPY_FUNC( 0x3 )
  60 COPY_FUNC( 0x4 )
  61 COPY_FUNC( 0x5 )
  62 COPY_FUNC( 0x6 )
  63 COPY_FUNC( 0x7 )
  64 COPY_FUNC( 0x8 )
  65 COPY_FUNC( 0x9 )
  66 COPY_FUNC( 0xa )
  67 COPY_FUNC( 0xb )
  68 COPY_FUNC( 0xc )
  69 COPY_FUNC( 0xd )
  70 COPY_FUNC( 0xe )
  71 COPY_FUNC( 0xf )
  72
  73 static void TAG2(init_copy, 0 ) ( void )
  74 {
  75    gl_copy_tab[IDX][0x0] = TAG2(copy, 0x0);
  76    gl_copy_tab[IDX][0x1] = TAG2(copy, 0x1);
  77    gl_copy_tab[IDX][0x2] = TAG2(copy, 0x2);
  78    gl_copy_tab[IDX][0x3] = TAG2(copy, 0x3);
  79    gl_copy_tab[IDX][0x4] = TAG2(copy, 0x4);
  80    gl_copy_tab[IDX][0x5] = TAG2(copy, 0x5);
  81    gl_copy_tab[IDX][0x6] = TAG2(copy, 0x6);
  82    gl_copy_tab[IDX][0x7] = TAG2(copy, 0x7);
  83    gl_copy_tab[IDX][0x8] = TAG2(copy, 0x8);
  84    gl_copy_tab[IDX][0x9] = TAG2(copy, 0x9);
  85    gl_copy_tab[IDX][0xa] = TAG2(copy, 0xa);
  86    gl_copy_tab[IDX][0xb] = TAG2(copy, 0xb);
  87    gl_copy_tab[IDX][0xc] = TAG2(copy, 0xc);
  88    gl_copy_tab[IDX][0xd] = TAG2(copy, 0xd);
  89    gl_copy_tab[IDX][0xe] = TAG2(copy, 0xe);
  90    gl_copy_tab[IDX][0xf] = TAG2(copy, 0xf);
  91 }