src/gallium/auxiliary/tgsi/util/tgsi_parse.h

   1 #if !defined TGSI_PARSE_H
   2 #define TGSI_PARSE_H
   3
   4 #include "pipe/p_shader_tokens.h"
   5
   6 #if defined __cplusplus
   7 extern "C" {
   8 #endif
   9
  10 struct tgsi_full_version
  11 {
  12    struct tgsi_version  Version;
  13 };
  14
  15 struct tgsi_full_header
  16 {
  17    struct tgsi_header      Header;
  18    struct tgsi_processor   Processor;
  19 };
  20
  21 struct tgsi_full_dst_register
  22 {
  23    struct tgsi_dst_register               DstRegister;
  24    struct tgsi_dst_register_ext_concode   DstRegisterExtConcode;
  25    struct tgsi_dst_register_ext_modulate  DstRegisterExtModulate;
  26 };
  27
  28 struct tgsi_full_src_register
  29 {
  30    struct tgsi_src_register         SrcRegister;
  31    struct tgsi_src_register_ext_swz SrcRegisterExtSwz;
  32    struct tgsi_src_register_ext_mod SrcRegisterExtMod;
  33    struct tgsi_src_register         SrcRegisterInd;
  34    struct tgsi_dimension            SrcRegisterDim;
  35    struct tgsi_src_register         SrcRegisterDimInd;
  36 };
  37
  38 struct tgsi_full_declaration
  39 {
  40    struct tgsi_declaration Declaration;
  41    union
  42    {
  43       struct tgsi_declaration_range DeclarationRange;
  44       struct tgsi_declaration_mask  DeclarationMask;
  45    } u;
  46    struct tgsi_declaration_interpolation  Interpolation;
  47    struct tgsi_declaration_semantic       Semantic;
  48 };
  49
  50 struct tgsi_full_immediate
  51 {
  52    struct tgsi_immediate   Immediate;
  53    union
  54    {
  55       const void                          *Pointer;
  56       const struct tgsi_immediate_float32 *ImmediateFloat32;
  57    } u;
  58 };
  59
  60 #define TGSI_FULL_MAX_DST_REGISTERS 2
  61 #define TGSI_FULL_MAX_SRC_REGISTERS 4 /* TXD has 4 */
  62
  63 struct tgsi_full_instruction
  64 {
  65    struct tgsi_instruction             Instruction;
  66    struct tgsi_instruction_ext_nv      InstructionExtNv;
  67    struct tgsi_instruction_ext_label   InstructionExtLabel;
  68    struct tgsi_instruction_ext_texture InstructionExtTexture;
  69    struct tgsi_full_dst_register       FullDstRegisters[TGSI_FULL_MAX_DST_REGISTERS];
  70    struct tgsi_full_src_register       FullSrcRegisters[TGSI_FULL_MAX_SRC_REGISTERS];
  71 };
  72
  73 union tgsi_full_token
  74 {
  75    struct tgsi_token             Token;
  76    struct tgsi_full_declaration  FullDeclaration;
  77    struct tgsi_full_immediate    FullImmediate;
  78    struct tgsi_full_instruction  FullInstruction;
  79 };
  80
  81 void
  82 tgsi_full_token_init(
  83    union tgsi_full_token *full_token );
  84
  85 void
  86 tgsi_full_token_free(
  87    union tgsi_full_token *full_token );
  88
  89 struct tgsi_parse_context
  90 {
  91    const struct tgsi_token    *Tokens;
  92    unsigned                   Position;
  93    struct tgsi_full_version   FullVersion;
  94    struct tgsi_full_header    FullHeader;
  95    union tgsi_full_token      FullToken;
  96 };
  97
  98 #define TGSI_PARSE_OK      0
  99 #define TGSI_PARSE_ERROR   1
 100
 101 unsigned
 102 tgsi_parse_init(
 103    struct tgsi_parse_context *ctx,
 104    const struct tgsi_token *tokens );
 105
 106 void
 107 tgsi_parse_free(
 108    struct tgsi_parse_context *ctx );
 109
 110 boolean
 111 tgsi_parse_end_of_tokens(
 112    struct tgsi_parse_context *ctx );
 113
 114 void
 115 tgsi_parse_token(
 116    struct tgsi_parse_context *ctx );
 117
 118 unsigned
 119 tgsi_num_tokens(const struct tgsi_token *tokens);
 120
 121
 122 #if defined __cplusplus
 123 }
 124 #endif
 125
 126 #endif /* TGSI_PARSE_H */
 127