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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef LP_SETUP_H
#define LP_SETUP_H
enum lp_interp {
LP_INTERP_CONSTANT,
LP_INTERP_LINEAR,
LP_INTERP_PERSPECTIVE,
LP_INTERP_POSITION,
LP_INTERP_FACING
};
struct setup_context;
struct setup_context *
lp_setup_create( void );
void
lp_setup_clear(struct pipe_context *pipe,
unsigned buffers,
const float *rgba,
double depth,
unsigned stencil);
void
lp_setup_triangle(struct setup_context *setup,
const float (*v0)[4],
const float (*v1)[4],
const float (*v2)[4]);
void
lp_setup_line(struct setup_context *setup,
const float (*v0)[4],
const float (*v1)[4]);
void
lp_setup_point( struct setup_context *setup,
const float (*v0)[4] );
void
lp_setup_set_triangle_state( struct setup_context *setup,
unsigned cullmode,
boolean front_is_ccw );
void
lp_setup_set_fs_inputs( struct setup_context *setup,
const enum lp_interp *interp,
unsigned nr );
void
lp_setup_destroy( struct setup_context *setup );
#endif
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