src/gallium/drivers/nvc0/nvc0_program.h

   1
   2 #ifndef __NVC0_PROGRAM_H__
   3 #define __NVC0_PROGRAM_H__
   4
   5 #include "pipe/p_state.h"
   6 #include "tgsi/tgsi_scan.h"
   7
   8 #define NVC0_CAP_MAX_PROGRAM_TEMPS 64
   9
  10 #define NVC0_SHADER_HEADER_SIZE (20 * 4)
  11
  12 struct nvc0_program {
  13    struct pipe_shader_state pipe;
  14
  15    ubyte type;
  16    boolean translated;
  17    ubyte max_gpr;
  18
  19    uint32_t *code;
  20    unsigned code_base;
  21    unsigned code_size;
  22    unsigned parm_size;
  23
  24    uint32_t hdr[20];
  25
  26    uint32_t flags[2]; /* FP_ZORDER */
  27
  28    struct {
  29       uint8_t edgeflag;
  30       uint8_t num_ucps;
  31    } vp;
  32
  33    void *relocs;
  34    unsigned num_relocs;
  35
  36    struct nouveau_resource *res;
  37 };
  38
  39 /* first 2 bits are written into the program header, for each input */
  40 #define NVC0_INTERP_FLAT          (1 << 0)
  41 #define NVC0_INTERP_PERSPECTIVE   (2 << 0)
  42 #define NVC0_INTERP_LINEAR        (3 << 0)
  43 #define NVC0_INTERP_CENTROID      (1 << 2)
  44
  45 /* analyze TGSI and see which TEMP[] are used as subroutine inputs/outputs */
  46 struct nvc0_subroutine {
  47    unsigned id;
  48    unsigned first_insn;
  49    uint32_t argv[NVC0_CAP_MAX_PROGRAM_TEMPS][4];
  50    uint32_t retv[NVC0_CAP_MAX_PROGRAM_TEMPS][4];
  51 };
  52
  53 struct nvc0_translation_info {
  54    struct nvc0_program *prog;
  55    struct tgsi_full_instruction *insns;
  56    unsigned num_insns;
  57    ubyte input_file;
  58    ubyte output_file;
  59    ubyte fp_depth_output;
  60    uint16_t input_loc[PIPE_MAX_SHADER_INPUTS][4];
  61    uint16_t output_loc[PIPE_MAX_SHADER_OUTPUTS][4];
  62    uint16_t sysval_loc[TGSI_SEMANTIC_COUNT];
  63    int input_access[PIPE_MAX_SHADER_INPUTS][4];
  64    int output_access[PIPE_MAX_SHADER_OUTPUTS][4];
  65    ubyte interp_mode[PIPE_MAX_SHADER_INPUTS];
  66    boolean indirect_inputs;
  67    boolean indirect_outputs;
  68    boolean require_stores;
  69    uint32_t *immd32;
  70    ubyte *immd32_ty;
  71    unsigned immd32_nr;
  72    ubyte edgeflag_out;
  73    struct nvc0_subroutine *subr;
  74    unsigned num_subrs;
  75    boolean append_ucp;
  76    struct tgsi_shader_info scan;
  77 };
  78
  79 int nvc0_generate_code(struct nvc0_translation_info *);
  80
  81 void nvc0_relocate_program(struct nvc0_program *,
  82                            uint32_t code_base, uint32_t data_base);
  83
  84 #endif