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      1 /*
      2  * Copyright 2010 Ben Skeggs
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice shall be included in
     12  * all copies or substantial portions of the Software.
     13  *
     14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20  * OTHER DEALINGS IN THE SOFTWARE.
     21  */
     22 
     23 #ifndef __NV50_PROG_H__
     24 #define __NV50_PROG_H__
     25 
     26 struct nv50_context;
     27 
     28 #include "pipe/p_state.h"
     29 #include "pipe/p_shader_tokens.h"
     30 
     31 struct nv50_varying {
     32    uint8_t id; /* tgsi index */
     33    uint8_t hw; /* hw index, nv50 wants flat FP inputs last */
     34 
     35    unsigned mask   : 4;
     36    unsigned linear : 1;
     37    unsigned pad    : 3;
     38 
     39    ubyte sn; /* semantic name */
     40    ubyte si; /* semantic index */
     41 };
     42 
     43 struct nv50_stream_output_state
     44 {
     45    uint32_t ctrl;
     46    uint16_t stride[4];
     47    uint8_t num_attribs[4];
     48    uint8_t map_size;
     49    uint8_t map[128];
     50 };
     51 
     52 struct nv50_program {
     53    struct pipe_shader_state pipe;
     54 
     55    ubyte type;
     56    bool translated;
     57 
     58    uint32_t *code;
     59    unsigned code_size;
     60    unsigned code_base;
     61    uint32_t *immd;
     62    unsigned parm_size; /* size limit of uniform buffer */
     63    uint32_t tls_space; /* required local memory per thread */
     64 
     65    ubyte max_gpr; /* REG_ALLOC_TEMP */
     66    ubyte max_out; /* REG_ALLOC_RESULT or FP_RESULT_COUNT */
     67 
     68    ubyte in_nr;
     69    ubyte out_nr;
     70    struct nv50_varying in[16];
     71    struct nv50_varying out[16];
     72 
     73    struct {
     74       uint32_t attrs[3]; /* VP_ATTR_EN_0,1 and VP_GP_BUILTIN_ATTR_EN */
     75       ubyte psiz;        /* output slot of point size */
     76       ubyte bfc[2];      /* indices into varying for FFC (FP) or BFC (VP) */
     77       ubyte edgeflag;
     78       ubyte clpd[2];     /* output slot of clip distance[i]'s 1st component */
     79       ubyte clpd_nr;
     80       bool need_vertex_id;
     81       uint32_t clip_mode;
     82       uint8_t clip_enable; /* mask of defined clip planes */
     83       uint8_t cull_enable; /* mask of defined cull distances */
     84    } vp;
     85 
     86    struct {
     87       uint32_t flags[2]; /* 0x19a8, 196c */
     88       uint32_t interp; /* 0x1988 */
     89       uint32_t colors; /* 0x1904 */
     90       uint8_t has_samplemask;
     91       uint8_t force_persample_interp;
     92       uint8_t alphatest;
     93    } fp;
     94 
     95    struct {
     96       uint32_t vert_count;
     97       uint8_t prim_type; /* point, line strip or tri strip */
     98       uint8_t has_layer;
     99       ubyte layerid; /* hw value of layer output */
    100       uint8_t has_viewport;
    101       ubyte viewportid; /* hw value of viewport index output */
    102    } gp;
    103 
    104    struct {
    105       uint32_t lmem_size; /* local memory (TGSI PRIVATE resource) size */
    106       uint32_t smem_size; /* shared memory (TGSI LOCAL resource) size */
    107       void *syms;
    108       unsigned num_syms;
    109    } cp;
    110 
    111    void *fixups; /* relocation records */
    112    void *interps; /* interpolation records */
    113 
    114    struct nouveau_heap *mem;
    115 
    116    struct nv50_stream_output_state *so;
    117 };
    118 
    119 bool nv50_program_translate(struct nv50_program *, uint16_t chipset,
    120                             struct pipe_debug_callback *);
    121 bool nv50_program_upload_code(struct nv50_context *, struct nv50_program *);
    122 void nv50_program_destroy(struct nv50_context *, struct nv50_program *);
    123 
    124 #endif /* __NV50_PROG_H__ */
    125