src/gallium/drivers/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 BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * 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 #define NV50_CAP_MAX_PROGRAM_TEMPS 64
  32
  33 struct nv50_varying {
  34    uint8_t id; /* tgsi index */
  35    uint8_t hw; /* hw index, nv50 wants flat FP inputs last */
  36
  37    unsigned mask   : 4;
  38    unsigned linear : 1;
  39    unsigned pad    : 3;
  40
  41    ubyte sn; /* semantic name */
  42    ubyte si; /* semantic index */
  43 };
  44
  45 struct nv50_program {
  46    struct pipe_shader_state pipe;
  47
  48    ubyte type;
  49    boolean translated;
  50    boolean uses_lmem;
  51
  52    uint32_t *code;
  53    unsigned code_size;
  54    unsigned code_base;
  55    uint32_t *immd;
  56    unsigned immd_size;
  57    unsigned parm_size; /* size limit of uniform buffer */
  58
  59    ubyte max_gpr; /* REG_ALLOC_TEMP */
  60    ubyte max_out; /* REG_ALLOC_RESULT or FP_RESULT_COUNT */
  61
  62    ubyte in_nr;
  63    ubyte out_nr;
  64    struct nv50_varying in[16];
  65    struct nv50_varying out[16];
  66
  67    struct {
  68       uint32_t attrs[3]; /* VP_ATTR_EN_0,1 and VP_GP_BUILTIN_ATTR_EN */
  69       ubyte psiz;        /* output slot of point size */
  70       ubyte bfc[2];      /* indices into varying for FFC (FP) or BFC (VP) */
  71       ubyte edgeflag;
  72       ubyte clpd[2];     /* output slot of clip distance[i]'s 1st component */
  73       ubyte clpd_nr;
  74    } vp;
  75
  76    struct {
  77       uint32_t flags[2]; /* 0x19a8, 196c */
  78       uint32_t interp; /* 0x1988 */
  79       uint32_t colors; /* 0x1904 */
  80    } fp;
  81
  82    struct {
  83       ubyte primid; /* primitive id output register */
  84       uint8_t vert_count;
  85       uint8_t prim_type; /* point, line strip or tri strip */
  86    } gp;
  87
  88    void *fixups; /* relocation records */
  89
  90    struct nouveau_heap *mem;
  91 };
  92
  93 boolean nv50_program_translate(struct nv50_program *, uint16_t chipset);
  94 boolean nv50_program_upload_code(struct nv50_context *, struct nv50_program *);
  95 void nv50_program_destroy(struct nv50_context *, struct nv50_program *);
  96
  97 #endif /* __NV50_PROG_H__ */