reactos/lib/mesa32/src/tnl_dd/t_dd.c

   1
   2 /*
   3  * Mesa 3-D graphics library
   4  * Version:  3.5
   5  *
   6  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included
  16  * in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *    Keith Whitwell <keith@tungstengraphics.com>
  27  */
  28
  29 static void copy_pv_rgba4_spec5( GLcontext *ctx, GLuint edst, GLuint esrc )
  30 {
  31    i810ContextPtr imesa = I810_CONTEXT( ctx );
  32    GLubyte *i810verts = (GLubyte *)imesa->verts;
  33    GLuint shift = imesa->vertex_stride_shift;
  34    i810Vertex *dst = (i810Vertex *)(i810verts + (edst << shift));
  35    i810Vertex *src = (i810Vertex *)(i810verts + (esrc << shift));
  36    dst->ui[4] = src->ui[4];
  37    dst->ui[5] = src->ui[5];
  38 }
  39
  40 static void copy_pv_rgba4( GLcontext *ctx, GLuint edst, GLuint esrc )
  41 {
  42    i810ContextPtr imesa = I810_CONTEXT( ctx );
  43    GLubyte *i810verts = (GLubyte *)imesa->verts;
  44    GLuint shift = imesa->vertex_stride_shift;
  45    i810Vertex *dst = (i810Vertex *)(i810verts + (edst << shift));
  46    i810Vertex *src = (i810Vertex *)(i810verts + (esrc << shift));
  47    dst->ui[4] = src->ui[4];
  48 }
  49
  50 static void copy_pv_rgba3( GLcontext *ctx, GLuint edst, GLuint esrc )
  51 {
  52    i810ContextPtr imesa = I810_CONTEXT( ctx );
  53    GLubyte *i810verts = (GLubyte *)imesa->verts;
  54    GLuint shift = imesa->vertex_stride_shift;
  55    i810Vertex *dst = (i810Vertex *)(i810verts + (edst << shift));
  56    i810Vertex *src = (i810Vertex *)(i810verts + (esrc << shift));
  57    dst->ui[3] = src->ui[3];
  58 }