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* Selection and feedback modes functions.
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* Mesa 3-D graphics library
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* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#define FEEDBACK_TOKEN( CTX, T ) \
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if (CTX->Feedback.Count < CTX->Feedback.BufferSize) { \
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CTX->Feedback.Buffer[CTX->Feedback.Count] = (GLfloat) (T); \
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CTX->Feedback.Count++;
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extern void _mesa_init_feedback( GLcontext * ctx );
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extern void _mesa_feedback_vertex( GLcontext *ctx,
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const GLfloat color[4],
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const GLfloat texcoord[4] );
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extern void _mesa_update_hitflag( GLcontext *ctx, GLfloat z );
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extern void GLAPIENTRY
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_mesa_PassThrough( GLfloat token );
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extern void GLAPIENTRY
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_mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer );
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extern void GLAPIENTRY
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_mesa_SelectBuffer( GLsizei size, GLuint *buffer );
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extern void GLAPIENTRY
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_mesa_InitNames( void );
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extern void GLAPIENTRY
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_mesa_LoadName( GLuint name );
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extern void GLAPIENTRY
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_mesa_PushName( GLuint name );
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extern void GLAPIENTRY
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_mesa_PopName( void );
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extern GLint GLAPIENTRY
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_mesa_RenderMode( GLenum mode );