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      1 /**************************************************************************
      2  *
      3  * Copyright 2011 Lauri Kasanen
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 #ifndef PP_PRIVATE_H
     29 #define PP_PRIVATE_H
     30 
     31 
     32 #include "postprocess.h"
     33 
     34 
     35 /**
     36  * Internal control details.
     37  */
     38 struct pp_program
     39 {
     40    struct pipe_screen *screen;
     41    struct pipe_context *pipe;
     42    struct cso_context *cso;
     43 
     44    struct pipe_blend_state blend;
     45    struct pipe_depth_stencil_alpha_state depthstencil;
     46    struct pipe_rasterizer_state rasterizer;
     47    struct pipe_sampler_state sampler;   /* bilinear */
     48    struct pipe_sampler_state sampler_point;     /* point */
     49    struct pipe_viewport_state viewport;
     50    struct pipe_framebuffer_state framebuffer;
     51    struct pipe_vertex_element velem[2];
     52 
     53    union pipe_color_union clear_color;
     54 
     55    void *passvs;
     56 
     57    struct pipe_resource *vbuf;
     58    struct pipe_surface surf;
     59    struct pipe_sampler_view *view;
     60 };
     61 
     62 
     63 
     64 /**
     65  * The main post-processing queue.
     66  */
     67 struct pp_queue_t
     68 {
     69    pp_func *pp_queue;           /* An array of pp_funcs */
     70    unsigned int n_filters;      /* Number of enabled filters */
     71 
     72    struct pipe_resource *tmp[2];        /* Two temp FBOs for the queue */
     73    struct pipe_resource *inner_tmp[3];  /* Three for filter use */
     74 
     75    unsigned int n_tmp, n_inner_tmp;
     76 
     77    struct pipe_resource *depth; /* depth of original input */
     78    struct pipe_resource *stencil;       /* stencil shared by inner_tmps */
     79    struct pipe_resource *constbuf;      /* MLAA constant buffer */
     80    struct pipe_resource *areamaptex;    /* MLAA area map texture */
     81 
     82    struct pipe_surface *tmps[2], *inner_tmps[3], *stencils;
     83 
     84    void ***shaders;             /* Shaders in TGSI form */
     85    unsigned int *filters;       /* Active filter to filters.h mapping. */
     86    struct pp_program *p;
     87 
     88    bool fbos_init;
     89 };
     90 
     91 
     92 void pp_free_fbos(struct pp_queue_t *);
     93 
     94 void pp_debug(const char *, ...);
     95 
     96 struct pp_program *pp_init_prog(struct pp_queue_t *, struct pipe_context *pipe,
     97                                 struct cso_context *);
     98 
     99 void pp_blit(struct pipe_context *pipe,
    100              struct pipe_resource *src_tex,
    101              int srcX0, int srcY0,
    102              int srcX1, int srcY1,
    103              int srcZ0,
    104              struct pipe_surface *dst,
    105              int dstX0, int dstY0,
    106              int dstX1, int dstY1);
    107 
    108 
    109 #endif /* PP_PRIVATE_H */
    110