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/**************************************************************************
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 *
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 * Copyright 2011 Lauri Kasanen
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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 THE AUTHORS OR COPYRIGHT HOLDERS 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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#ifndef POSTPROCESS_H
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#define POSTPROCESS_H
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#include "postprocess/pp_program.h"
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#define PP_FILTERS 6            /* Increment this if you add filters */
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#define PP_MAX_PASSES 6
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struct pp_queue_t;              /* Forward definition */
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/* Less typing later on */
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typedef void (*pp_func) (struct pp_queue_t *, struct pipe_resource *,
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                         struct pipe_resource *, unsigned int);
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/**
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*	The main post-processing queue.
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*/
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struct pp_queue_t
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{
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   pp_func *pp_queue;           /* An array of pp_funcs */
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   unsigned int n_filters;      /* Number of enabled filters */
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   struct pipe_resource *tmp[2];        /* Two temp FBOs for the queue */
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   struct pipe_resource *inner_tmp[3];  /* Three for filter use */
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   unsigned int n_tmp, n_inner_tmp;
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   struct pipe_resource *depth; /* depth of original input */
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   struct pipe_resource *stencil;       /* stencil shared by inner_tmps */
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   struct pipe_resource *constbuf;      /* MLAA constant buffer */
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   struct pipe_resource *areamaptex;    /* MLAA area map texture */
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   struct pipe_surface *tmps[2], *inner_tmps[3], *stencils;
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   void ***shaders;             /* Shaders in TGSI form */
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   unsigned int *filters;       /* Active filter to filters.h mapping. */
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   struct program *p;
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   bool fbos_init;
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};
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/* Main functions */
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struct pp_queue_t *pp_init(struct pipe_context *pipe, const unsigned int *,
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                           struct cso_context *);
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void pp_run(struct pp_queue_t *, struct pipe_resource *,
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            struct pipe_resource *, struct pipe_resource *);
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void pp_free(struct pp_queue_t *);
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void pp_free_fbos(struct pp_queue_t *);
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void pp_debug(const char *, ...);
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struct program *pp_init_prog(struct pp_queue_t *, struct pipe_context *pipe,
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                             struct cso_context *);
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void pp_init_fbos(struct pp_queue_t *, unsigned int, unsigned int);
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void pp_blit(struct pipe_context *pipe,
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             struct pipe_resource *src_tex,
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             int srcX0, int srcY0,
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             int srcX1, int srcY1,
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             int srcZ0,
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             struct pipe_surface *dst,
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             int dstX0, int dstY0,
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             int dstX1, int dstY1);
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/* The filters */
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void pp_nocolor(struct pp_queue_t *, struct pipe_resource *,
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                struct pipe_resource *, unsigned int);
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void pp_jimenezmlaa(struct pp_queue_t *, struct pipe_resource *,
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                    struct pipe_resource *, unsigned int);
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void pp_jimenezmlaa_color(struct pp_queue_t *, struct pipe_resource *,
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                          struct pipe_resource *, unsigned int);
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/* The filter init functions */
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bool pp_celshade_init(struct pp_queue_t *, unsigned int, unsigned int);
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bool pp_nored_init(struct pp_queue_t *, unsigned int, unsigned int);
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bool pp_nogreen_init(struct pp_queue_t *, unsigned int, unsigned int);
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bool pp_noblue_init(struct pp_queue_t *, unsigned int, unsigned int);
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bool pp_jimenezmlaa_init(struct pp_queue_t *, unsigned int, unsigned int);
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bool pp_jimenezmlaa_init_color(struct pp_queue_t *, unsigned int,
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                               unsigned int);
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/* The filter free functions */
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void pp_celshade_free(struct pp_queue_t *, unsigned int);
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void pp_nocolor_free(struct pp_queue_t *, unsigned int);
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void pp_jimenezmlaa_free(struct pp_queue_t *, unsigned int);
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#endif