src/mesa/main/feedback.h

   1 /* $Id: feedback.h,v 1.4 2000/11/05 18:40:58 keithw Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.3
   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 #ifndef FEEDBACK_H
  29 #define FEEDBACK_H
  30
  31
  32 #include "types.h"
  33
  34
  35 #define FEEDBACK_TOKEN( CTX, T )                                \
  36         if (CTX->Feedback.Count < CTX->Feedback.BufferSize) {   \
  37            CTX->Feedback.Buffer[CTX->Feedback.Count] = (GLfloat) (T); \
  38         }                                                       \
  39         CTX->Feedback.Count++;
  40
  41
  42 extern void gl_feedback_vertex( GLcontext *ctx,
  43                                 const GLfloat win[4],
  44                                 const GLfloat color[4],
  45                                 GLuint index,
  46                                 const GLfloat texcoord[4] );
  47
  48
  49 extern void gl_update_hitflag( GLcontext *ctx, GLfloat z );
  50
  51
  52 extern void
  53 _mesa_PassThrough( GLfloat token );
  54
  55 extern void
  56 _mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer );
  57
  58 extern void
  59 _mesa_SelectBuffer( GLsizei size, GLuint *buffer );
  60
  61 extern void
  62 _mesa_InitNames( void );
  63
  64 extern void
  65 _mesa_LoadName( GLuint name );
  66
  67 extern void
  68 _mesa_PushName( GLuint name );
  69
  70 extern void
  71 _mesa_PopName( void );
  72
  73 extern GLint
  74 _mesa_RenderMode( GLenum mode );
  75
  76
  77 #endif
  78