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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.
*
**************************************************************************/
/* Authors: Keith Whitwell <keith@tungstengraphics.com>
*/
#ifndef SP_QUAD_PIPE_H
#define SP_QUAD_PIPE_H
struct softpipe_context;
struct quad_header;
/**
* Fragment processing is performed on 2x2 blocks of pixels called "quads".
* Quad processing is performed with a pipeline of stages represented by
* this type.
*/
struct quad_stage {
struct softpipe_context *softpipe;
struct quad_stage *next;
void (*begin)(struct quad_stage *qs);
/** the stage action */
void (*run)(struct quad_stage *qs, struct quad_header *quad[], unsigned nr);
void (*destroy)(struct quad_stage *qs);
};
struct quad_stage *sp_quad_polygon_stipple_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_earlyz_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_shade_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_alpha_test_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_stencil_test_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_depth_test_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_occlusion_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_coverage_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_blend_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_colormask_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_output_stage( struct softpipe_context *softpipe );
void sp_build_quad_pipeline(struct softpipe_context *sp);
#endif /* SP_QUAD_PIPE_H */
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