1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 5 * Copyright (C) 2009 VMware, Inc. All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 #ifndef FEEDBACK_H 27 #define FEEDBACK_H 28 29 30 #include "main/mtypes.h" 31 32 33 void GLAPIENTRY 34 _mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer ); 35 void GLAPIENTRY 36 _mesa_PassThrough( GLfloat token ); 37 void GLAPIENTRY 38 _mesa_SelectBuffer( GLsizei size, GLuint *buffer ); 39 void GLAPIENTRY 40 _mesa_InitNames( void ); 41 void GLAPIENTRY 42 _mesa_LoadName( GLuint name ); 43 void GLAPIENTRY 44 _mesa_PushName( GLuint name ); 45 void GLAPIENTRY 46 _mesa_PopName( void ); 47 GLint GLAPIENTRY 48 _mesa_RenderMode( GLenum mode ); 49 50 extern void 51 _mesa_feedback_vertex( struct gl_context *ctx, 52 const GLfloat win[4], 53 const GLfloat color[4], 54 const GLfloat texcoord[4] ); 55 56 57 static inline void 58 _mesa_feedback_token( struct gl_context *ctx, GLfloat token ) 59 { 60 if (ctx->Feedback.Count < ctx->Feedback.BufferSize) { 61 ctx->Feedback.Buffer[ctx->Feedback.Count] = token; 62 } 63 ctx->Feedback.Count++; 64 } 65 66 67 extern void 68 _mesa_update_hitflag( struct gl_context *ctx, GLfloat z ); 69 70 71 extern void 72 _mesa_init_feedback( struct gl_context *ctx ); 73 74 #endif /* FEEDBACK_H */ 75
