| 1 | /* $Id: feedback.h,v 1.2 2000-05-21 20:39:40 jeroen 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 |  | 
|---|
| 29 |  | 
|---|
| 30 |  | 
|---|
| 31 | #ifndef FEEDBACK_H | 
|---|
| 32 | #define FEEDBACK_H | 
|---|
| 33 |  | 
|---|
| 34 |  | 
|---|
| 35 | #include "types.h" | 
|---|
| 36 |  | 
|---|
| 37 |  | 
|---|
| 38 | #define FEEDBACK_TOKEN( CTX, T )                                \ | 
|---|
| 39 | if (CTX->Feedback.Count < CTX->Feedback.BufferSize) {   \ | 
|---|
| 40 | CTX->Feedback.Buffer[CTX->Feedback.Count] = (GLfloat) (T); \ | 
|---|
| 41 | }                                                       \ | 
|---|
| 42 | CTX->Feedback.Count++; | 
|---|
| 43 |  | 
|---|
| 44 |  | 
|---|
| 45 | extern void gl_feedback_vertex( GLcontext *ctx, | 
|---|
| 46 | const GLfloat win[4], | 
|---|
| 47 | const GLfloat color[4], | 
|---|
| 48 | GLuint index, | 
|---|
| 49 | const GLfloat texcoord[4] ); | 
|---|
| 50 |  | 
|---|
| 51 |  | 
|---|
| 52 | extern void gl_update_hitflag( GLcontext *ctx, GLfloat z ); | 
|---|
| 53 |  | 
|---|
| 54 |  | 
|---|
| 55 | extern void | 
|---|
| 56 | _mesa_PassThrough( GLfloat token ); | 
|---|
| 57 |  | 
|---|
| 58 | extern void | 
|---|
| 59 | _mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer ); | 
|---|
| 60 |  | 
|---|
| 61 | extern void | 
|---|
| 62 | _mesa_SelectBuffer( GLsizei size, GLuint *buffer ); | 
|---|
| 63 |  | 
|---|
| 64 | extern void | 
|---|
| 65 | _mesa_InitNames( void ); | 
|---|
| 66 |  | 
|---|
| 67 | extern void | 
|---|
| 68 | _mesa_LoadName( GLuint name ); | 
|---|
| 69 |  | 
|---|
| 70 | extern void | 
|---|
| 71 | _mesa_PushName( GLuint name ); | 
|---|
| 72 |  | 
|---|
| 73 | extern void | 
|---|
| 74 | _mesa_PopName( void ); | 
|---|
| 75 |  | 
|---|
| 76 | extern GLint | 
|---|
| 77 | _mesa_RenderMode( GLenum mode ); | 
|---|
| 78 |  | 
|---|
| 79 |  | 
|---|
| 80 | extern void gl_feedback_points( GLcontext *ctx, GLuint first, GLuint last ); | 
|---|
| 81 | extern void gl_feedback_line( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv ); | 
|---|
| 82 | extern void gl_feedback_triangle( GLcontext *ctx, GLuint v0, GLuint v1, | 
|---|
| 83 | GLuint v2, GLuint pv ); | 
|---|
| 84 |  | 
|---|
| 85 | extern void gl_select_points( GLcontext *ctx, GLuint first, GLuint last ); | 
|---|
| 86 | extern void gl_select_line( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv ); | 
|---|
| 87 | extern void gl_select_triangle( GLcontext *ctx, GLuint v0, GLuint v1, | 
|---|
| 88 | GLuint v2, GLuint pv ); | 
|---|
| 89 |  | 
|---|
| 90 | #endif | 
|---|
| 91 |  | 
|---|