1 /* $Id: feedback.h,v 1.1 1996/09/13 01:38:16 brianp Exp $ */ 2 3 /* 4 * Mesa 3-D graphics library 5 * Version: 2.0 6 * Copyright (C) 1995-1996 Brian Paul 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public 19 * License along with this library; if not, write to the Free 20 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 24 /* 25 * $Log: feedback.h,v $ 26 * Revision 1.1 1996/09/13 01:38:16 brianp 27 * Initial revision 28 * 29 */ 30 31 32 #ifndef FEEDBACK_H 33 #define FEEDBACK_H 34 35 36 #include "types.h" 37 38 39 #define FEEDBACK_TOKEN( CTX, T ) \ 40 if (CTX->Feedback.Count < CTX->Feedback.BufferSize) { \ 41 CTX->Feedback.Buffer[CTX->Feedback.Count] = (T); \ 42 } \ 43 CTX->Feedback.Count++; 44 45 46 extern void gl_feedback_vertex( GLcontext *ctx, 47 GLfloat x, GLfloat y, GLfloat z, GLfloat w, 48 const GLfloat color[4], GLfloat index, 49 const GLfloat texcoord[4] ); 50 51 52 extern void gl_update_hitflag( GLcontext *ctx, GLfloat z ); 53 54 55 extern void gl_PassThrough( GLcontext *ctx, GLfloat token ); 56 57 extern void gl_FeedbackBuffer( GLcontext *ctx, GLsizei size, 58 GLenum type, GLfloat *buffer ); 59 60 extern void gl_SelectBuffer( GLcontext *ctx, GLsizei size, GLuint *buffer ); 61 62 extern void gl_InitNames( GLcontext *ctx ); 63 64 extern void gl_LoadName( GLcontext *ctx, GLuint name ); 65 66 extern void gl_PushName( GLcontext *ctx, GLuint name ); 67 68 extern void gl_PopName( GLcontext *ctx ); 69 70 extern GLint gl_RenderMode( GLcontext *ctx, GLenum mode ); 71 72 73 74 #endif 75 76