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/**************************************************************************
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 *
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 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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 * All Rights Reserved.
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 *
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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
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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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
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 **************************************************************************/
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/* Authors:  Keith Whitwell
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 */
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#ifndef SP_QUAD_PIPE_H
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#define SP_QUAD_PIPE_H
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struct softpipe_context;
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struct quad_header;
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/**
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 * Fragment processing is performed on 2x2 blocks of pixels called "quads".
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 * Quad processing is performed with a pipeline of stages represented by
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 * this type.
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 */
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struct quad_stage {
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   struct softpipe_context *softpipe;
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   struct quad_stage *next;
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   void (*begin)(struct quad_stage *qs);
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   /** the stage action */
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   void (*run)(struct quad_stage *qs, struct quad_header *quad[], unsigned nr);
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   void (*destroy)(struct quad_stage *qs);
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};
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struct quad_stage *sp_quad_polygon_stipple_stage( struct softpipe_context *softpipe );
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struct quad_stage *sp_quad_earlyz_stage( struct softpipe_context *softpipe );
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struct quad_stage *sp_quad_shade_stage( struct softpipe_context *softpipe );
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struct quad_stage *sp_quad_alpha_test_stage( struct softpipe_context *softpipe );
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struct quad_stage *sp_quad_stencil_test_stage( struct softpipe_context *softpipe );
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struct quad_stage *sp_quad_depth_test_stage( struct softpipe_context *softpipe );
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struct quad_stage *sp_quad_occlusion_stage( struct softpipe_context *softpipe );
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struct quad_stage *sp_quad_coverage_stage( struct softpipe_context *softpipe );
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struct quad_stage *sp_quad_blend_stage( struct softpipe_context *softpipe );
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struct quad_stage *sp_quad_colormask_stage( struct softpipe_context *softpipe );
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struct quad_stage *sp_quad_output_stage( struct softpipe_context *softpipe );
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void sp_build_quad_pipeline(struct softpipe_context *sp);
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#endif /* SP_QUAD_PIPE_H */