src/gallium/drivers/nouveau/nv50/nv50_program.h

   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 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       bool need_vertex_id;
  82       uint32_t clip_mode;
  83       uint8_t clip_enable; /* mask of defined clip planes */
  84       uint8_t cull_enable; /* mask of defined cull distances */
  85    } vp;
  86
  87    struct {
  88       uint32_t flags[2]; /* 0x19a8, 196c */
  89       uint32_t interp; /* 0x1988 */
  90       uint32_t colors; /* 0x1904 */
  91       uint8_t has_samplemask;
  92       uint8_t force_persample_interp;
  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__ */