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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.    boolean translated;
  57.  
  58.    uint32_t *code;
  59.    unsigned code_size;
  60.    unsigned code_base;
  61.    uint32_t *immd;
  62.    unsigned immd_size;
  63.    unsigned parm_size; /* size limit of uniform buffer */
  64.    uint32_t tls_space; /* required local memory per thread */
  65.  
  66.    ubyte max_gpr; /* REG_ALLOC_TEMP */
  67.    ubyte max_out; /* REG_ALLOC_RESULT or FP_RESULT_COUNT */
  68.  
  69.    ubyte in_nr;
  70.    ubyte out_nr;
  71.    struct nv50_varying in[16];
  72.    struct nv50_varying out[16];
  73.  
  74.    struct {
  75.       uint32_t attrs[3]; /* VP_ATTR_EN_0,1 and VP_GP_BUILTIN_ATTR_EN */
  76.       ubyte psiz;        /* output slot of point size */
  77.       ubyte bfc[2];      /* indices into varying for FFC (FP) or BFC (VP) */
  78.       ubyte edgeflag;
  79.       ubyte clpd[2];     /* output slot of clip distance[i]'s 1st component */
  80.       ubyte clpd_nr;
  81.    } vp;
  82.  
  83.    struct {
  84.       uint32_t flags[2]; /* 0x19a8, 196c */
  85.       uint32_t interp; /* 0x1988 */
  86.       uint32_t colors; /* 0x1904 */
  87.    } fp;
  88.  
  89.    struct {
  90.       ubyte primid; /* primitive id output register */
  91.       uint8_t vert_count;
  92.       uint8_t prim_type; /* point, line strip or tri strip */
  93.    } gp;
  94.  
  95.    void *fixups; /* relocation records */
  96.  
  97.    struct nouveau_heap *mem;
  98.  
  99.    struct nv50_stream_output_state *so;
  100. };
  101.  
  102. boolean nv50_program_translate(struct nv50_program *, uint16_t chipset);
  103. boolean nv50_program_upload_code(struct nv50_context *, struct nv50_program *);
  104. void nv50_program_destroy(struct nv50_context *, struct nv50_program *);
  105.  
  106. #endif /* __NV50_PROG_H__ */
  107.