gallium: reorg tgsi directories.

1 files changed, 805 insertions, 0 deletions

diff --git a/src/mesa/pipe/p_shader_tokens.h b/src/mesa/pipe/p_shader_tokens.h
new file mode 100644
index 00000000000..e5922b439f6
--- /dev/null
+++ b/src/mesa/pipe/p_shader_tokens.h
@@ -0,0 +1,805 @@
+#if !defined TGSI_TOKEN_H
+#define TGSI_TOKEN_H
+
+#if defined __cplusplus
+extern "C" {
+#endif // defined __cplusplus
+
+struct tgsi_version
+{
+   unsigned MajorVersion  : 8;
+   unsigned MinorVersion  : 8;
+   unsigned Padding       : 16;
+};
+
+struct tgsi_header
+{
+   unsigned HeaderSize : 8;
+   unsigned BodySize   : 24;
+};
+
+#define TGSI_PROCESSOR_FRAGMENT  0
+#define TGSI_PROCESSOR_VERTEX    1
+#define TGSI_PROCESSOR_GEOMETRY  2
+
+struct tgsi_processor
+{
+   unsigned Processor  : 4;  /* TGSI_PROCESSOR_ */
+   unsigned Padding    : 28;
+};
+
+#define TGSI_TOKEN_TYPE_DECLARATION    0
+#define TGSI_TOKEN_TYPE_IMMEDIATE      1
+#define TGSI_TOKEN_TYPE_INSTRUCTION    2
+
+struct tgsi_token
+{
+   unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_ */
+   unsigned Size       : 8;  /* UINT */
+   unsigned Padding    : 19;
+   unsigned Extended   : 1;  /* BOOL */
+};
+
+#define TGSI_FILE_NULL        0
+#define TGSI_FILE_CONSTANT    1
+#define TGSI_FILE_INPUT       2
+#define TGSI_FILE_OUTPUT      3
+#define TGSI_FILE_TEMPORARY   4
+#define TGSI_FILE_SAMPLER     5
+#define TGSI_FILE_ADDRESS     6
+#define TGSI_FILE_IMMEDIATE   7
+
+#define TGSI_DECLARE_RANGE    0
+#define TGSI_DECLARE_MASK     1
+
+#define TGSI_WRITEMASK_NONE     0x00
+#define TGSI_WRITEMASK_X        0x01
+#define TGSI_WRITEMASK_Y        0x02
+#define TGSI_WRITEMASK_XY       0x03
+#define TGSI_WRITEMASK_Z        0x04
+#define TGSI_WRITEMASK_XZ       0x05
+#define TGSI_WRITEMASK_YZ       0x06
+#define TGSI_WRITEMASK_XYZ      0x07
+#define TGSI_WRITEMASK_W        0x08
+#define TGSI_WRITEMASK_XW       0x09
+#define TGSI_WRITEMASK_YW       0x0A
+#define TGSI_WRITEMASK_XYW      0x0B
+#define TGSI_WRITEMASK_ZW       0x0C
+#define TGSI_WRITEMASK_XZW      0x0D
+#define TGSI_WRITEMASK_YZW      0x0E
+#define TGSI_WRITEMASK_XYZW     0x0F
+
+struct tgsi_declaration
+{
+   unsigned Type        : 4;  /* TGSI_TOKEN_TYPE_DECLARATION */
+   unsigned Size        : 8;  /* UINT */
+   unsigned File        : 4;  /* one of TGSI_FILE_x */
+   unsigned Declare     : 4;  /* one of TGSI_DECLARE_x */
+   unsigned UsageMask   : 4;  /* bitmask of TGSI_WRITEMASK_x flags */
+   unsigned Interpolate : 1;  /* BOOL, any interpolation info? */
+   unsigned Semantic    : 1;  /* BOOL, any semantic info? */
+   unsigned Padding     : 5;
+   unsigned Extended    : 1;  /* BOOL */
+};
+
+struct tgsi_declaration_range
+{
+   unsigned First   : 16; /* UINT */
+   unsigned Last    : 16; /* UINT */
+};
+
+struct tgsi_declaration_mask
+{
+   unsigned Mask : 32; /* UINT */
+};
+
+#define TGSI_INTERPOLATE_CONSTANT      0
+#define TGSI_INTERPOLATE_LINEAR        1
+#define TGSI_INTERPOLATE_PERSPECTIVE   2
+
+struct tgsi_declaration_interpolation
+{
+   unsigned Interpolate   : 4;  /* TGSI_INTERPOLATE_ */
+   unsigned Padding       : 28;
+};
+
+#define TGSI_SEMANTIC_POSITION 0
+#define TGSI_SEMANTIC_COLOR    1
+#define TGSI_SEMANTIC_BCOLOR   2 /**< back-face color */
+#define TGSI_SEMANTIC_FOG      3
+#define TGSI_SEMANTIC_PSIZE    4
+#define TGSI_SEMANTIC_GENERIC  5
+#define TGSI_SEMANTIC_COUNT    6 /**< number of semantic values */
+
+struct tgsi_declaration_semantic
+{
+   unsigned SemanticName   : 8;  /* one of TGSI_SEMANTIC_ */
+   unsigned SemanticIndex  : 16; /* UINT */
+   unsigned Padding        : 8;
+};
+
+#define TGSI_IMM_FLOAT32   0
+
+struct tgsi_immediate
+{
+   unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_IMMEDIATE */
+   unsigned Size       : 8;  /* UINT */
+   unsigned DataType   : 4;  /* TGSI_IMM_ */
+   unsigned Padding    : 15;
+   unsigned Extended   : 1;  /* BOOL */
+};
+
+struct tgsi_immediate_float32
+{
+   float Float;
+};
+
+/*
+ * GL_NV_vertex_program
+ */
+#define TGSI_OPCODE_ARL                 0
+#define TGSI_OPCODE_MOV                 1
+#define TGSI_OPCODE_LIT                 2
+#define TGSI_OPCODE_RCP                 3
+#define TGSI_OPCODE_RSQ                 4
+#define TGSI_OPCODE_EXP                 5
+#define TGSI_OPCODE_LOG                 6
+#define TGSI_OPCODE_MUL                 7
+#define TGSI_OPCODE_ADD                 8
+#define TGSI_OPCODE_DP3                 9
+#define TGSI_OPCODE_DP4                 10
+#define TGSI_OPCODE_DST                 11
+#define TGSI_OPCODE_MIN                 12
+#define TGSI_OPCODE_MAX                 13
+#define TGSI_OPCODE_SLT                 14
+#define TGSI_OPCODE_SGE                 15
+#define TGSI_OPCODE_MAD                 16
+
+/*
+ * GL_ATI_fragment_shader
+ */
+#define TGSI_OPCODE_SUB                 17
+#define TGSI_OPCODE_DOT3                TGSI_OPCODE_DP3
+#define TGSI_OPCODE_DOT4                TGSI_OPCODE_DP4
+#define TGSI_OPCODE_LERP                18
+#define TGSI_OPCODE_CND                 19
+#define TGSI_OPCODE_CND0                20
+#define TGSI_OPCODE_DOT2ADD             21
+
+/*
+ * GL_EXT_vertex_shader
+ */
+#define TGSI_OPCODE_INDEX               22
+#define TGSI_OPCODE_NEGATE              23
+#define TGSI_OPCODE_MADD                TGSI_OPCODE_MAD
+#define TGSI_OPCODE_FRAC                24
+#define TGSI_OPCODE_SETGE               TGSI_OPCODE_SGE
+#define TGSI_OPCODE_SETLT               TGSI_OPCODE_SLT
+#define TGSI_OPCODE_CLAMP               25
+#define TGSI_OPCODE_FLOOR               26
+#define TGSI_OPCODE_ROUND               27
+#define TGSI_OPCODE_EXPBASE2            28
+#define TGSI_OPCODE_LOGBASE2            29
+#define TGSI_OPCODE_POWER               30
+#define TGSI_OPCODE_RECIP               TGSI_OPCODE_RCP
+#define TGSI_OPCODE_RECIPSQRT           TGSI_OPCODE_RSQ
+#define TGSI_OPCODE_CROSSPRODUCT        31
+#define TGSI_OPCODE_MULTIPLYMATRIX      32
+
+/*
+ * GL_NV_vertex_program1_1
+ */
+#define TGSI_OPCODE_ABS                 33
+#define TGSI_OPCODE_RCC                 34
+#define TGSI_OPCODE_DPH                 35
+
+/*
+ * GL_NV_fragment_program
+ */
+#define TGSI_OPCODE_COS                 36
+#define TGSI_OPCODE_DDX                 37
+#define TGSI_OPCODE_DDY                 38
+#define TGSI_OPCODE_EX2                 TGSI_OPCODE_EXPBASE2
+#define TGSI_OPCODE_FLR                 TGSI_OPCODE_FLOOR
+#define TGSI_OPCODE_FRC                 TGSI_OPCODE_FRAC
+#define TGSI_OPCODE_KILP                39  /* predicated kill */
+#define TGSI_OPCODE_LG2                 TGSI_OPCODE_LOGBASE2
+#define TGSI_OPCODE_LRP                 TGSI_OPCODE_LERP
+#define TGSI_OPCODE_PK2H                40
+#define TGSI_OPCODE_PK2US               41
+#define TGSI_OPCODE_PK4B                42
+#define TGSI_OPCODE_PK4UB               43
+#define TGSI_OPCODE_POW                 TGSI_OPCODE_POWER
+#define TGSI_OPCODE_RFL                 44
+#define TGSI_OPCODE_SEQ                 45
+#define TGSI_OPCODE_SFL                 46
+#define TGSI_OPCODE_SGT                 47
+#define TGSI_OPCODE_SIN                 48
+#define TGSI_OPCODE_SLE                 49
+#define TGSI_OPCODE_SNE                 50
+#define TGSI_OPCODE_STR                 51
+#define TGSI_OPCODE_TEX                 52
+#define TGSI_OPCODE_TXD                 53
+#define TGSI_OPCODE_UP2H                54
+#define TGSI_OPCODE_UP2US               55
+#define TGSI_OPCODE_UP4B                56
+#define TGSI_OPCODE_UP4UB               57
+#define TGSI_OPCODE_X2D                 58
+
+/*
+ * GL_NV_vertex_program2
+ */
+#define TGSI_OPCODE_ARA                 59
+#define TGSI_OPCODE_ARR                 60
+#define TGSI_OPCODE_BRA                 61
+#define TGSI_OPCODE_CAL                 62
+#define TGSI_OPCODE_RET                 63
+#define TGSI_OPCODE_SSG                 64
+
+/*
+ * GL_ARB_vertex_program
+ */
+#define TGSI_OPCODE_SWZ                 TGSI_OPCODE_MOV
+#define TGSI_OPCODE_XPD                 TGSI_OPCODE_CROSSPRODUCT
+
+/*
+ * GL_ARB_fragment_program
+ */
+#define TGSI_OPCODE_CMP                 65
+#define TGSI_OPCODE_SCS                 66
+#define TGSI_OPCODE_TXB                 67
+
+/*
+ * GL_NV_fragment_program_option
+ */
+/* No new opcode */
+
+/*
+ * GL_NV_fragment_program2
+ */
+#define TGSI_OPCODE_NRM                 68
+#define TGSI_OPCODE_DIV                 69
+#define TGSI_OPCODE_DP2                 70
+#define TGSI_OPCODE_DP2A                TGSI_OPCODE_DOT2ADD
+#define TGSI_OPCODE_TXL                 71
+#define TGSI_OPCODE_BRK                 72
+#define TGSI_OPCODE_IF                  73
+#define TGSI_OPCODE_LOOP                74
+#define TGSI_OPCODE_REP                 75
+#define TGSI_OPCODE_ELSE                76
+#define TGSI_OPCODE_ENDIF               77
+#define TGSI_OPCODE_ENDLOOP             78
+#define TGSI_OPCODE_ENDREP              79
+
+/*
+ * GL_NV_vertex_program2_option
+ */
+
+/*
+ * GL_NV_vertex_program3
+ */
+#define TGSI_OPCODE_PUSHA               80
+#define TGSI_OPCODE_POPA                81
+
+/*
+ * GL_NV_gpu_program4
+ */
+#define TGSI_OPCODE_CEIL                82
+#define TGSI_OPCODE_I2F                 83
+#define TGSI_OPCODE_NOT                 84
+#define TGSI_OPCODE_TRUNC               85
+#define TGSI_OPCODE_SHL                 86
+#define TGSI_OPCODE_SHR                 87
+#define TGSI_OPCODE_AND                 88
+#define TGSI_OPCODE_OR                  89
+#define TGSI_OPCODE_MOD                 90
+#define TGSI_OPCODE_XOR                 91
+#define TGSI_OPCODE_SAD                 92
+#define TGSI_OPCODE_TXF                 93
+#define TGSI_OPCODE_TXQ                 94
+#define TGSI_OPCODE_CONT                95
+
+/*
+ * GL_NV_vertex_program4
+ */
+/* Same as GL_NV_gpu_program4 */
+
+/*
+ * GL_NV_fragment_program4
+ */
+/* Same as GL_NV_gpu_program4 */
+
+/*
+ * GL_NV_geometry_program4
+ */
+/* Same as GL_NV_gpu_program4 */
+#define TGSI_OPCODE_EMIT                96
+#define TGSI_OPCODE_ENDPRIM             97
+
+/*
+ * GLSL
+ */
+#define TGSI_OPCODE_BGNLOOP2            98
+#define TGSI_OPCODE_BGNSUB              99
+#define TGSI_OPCODE_ENDLOOP2            100
+#define TGSI_OPCODE_ENDSUB              101
+#define TGSI_OPCODE_INT                 TGSI_OPCODE_TRUNC
+#define TGSI_OPCODE_NOISE1              102
+#define TGSI_OPCODE_NOISE2              103
+#define TGSI_OPCODE_NOISE3              104
+#define TGSI_OPCODE_NOISE4              105
+#define TGSI_OPCODE_NOP                 106
+
+/*
+ * ps_1_1
+ */
+#define TGSI_OPCODE_TEXCOORD            TGSI_OPCODE_NOP
+#define TGSI_OPCODE_TEXKILL             TGSI_OPCODE_KIL
+#define TGSI_OPCODE_TEXBEM              107
+#define TGSI_OPCODE_TEXBEML             108
+#define TGSI_OPCODE_TEXREG2AR           109
+#define TGSI_OPCODE_TEXM3X2PAD          110
+#define TGSI_OPCODE_TEXM3X2TEX          111
+#define TGSI_OPCODE_TEXM3X3PAD          112
+#define TGSI_OPCODE_TEXM3X3TEX          113
+#define TGSI_OPCODE_TEXM3X3SPEC         114
+#define TGSI_OPCODE_TEXM3X3VSPEC        115
+
+/*
+ * ps_1_2
+ */
+#define TGSI_OPCODE_TEXREG2GB           116
+#define TGSI_OPCODE_TEXREG2RGB          117
+#define TGSI_OPCODE_TEXDP3TEX           118
+#define TGSI_OPCODE_TEXDP3              119
+#define TGSI_OPCODE_TEXM3X3             120
+/* CMP - use TGSI_OPCODE_CND0 */
+
+/*
+ * ps_1_3
+ */
+#define TGSI_OPCODE_TEXM3X2DEPTH        121
+/* CMP - use TGSI_OPCODE_CND0 */
+
+/*
+ * ps_1_4
+ */
+#define TGSI_OPCODE_TEXCRD              TGSI_OPCODE_TEXCOORD
+#define TGSI_OPCODE_TEXLD               TGSI_OPCODE_TEX
+#define TGSI_OPCODE_TEXDEPTH            122
+#define TGSI_OPCODE_BEM                 123
+
+/*
+ * ps_2_0
+ */
+#define TGSI_OPCODE_M4X4                TGSI_OPCODE_MULTIPLYMATRIX
+#define TGSI_OPCODE_M4X3                124
+#define TGSI_OPCODE_M3X4                125
+#define TGSI_OPCODE_M3X3                126
+#define TGSI_OPCODE_M3X2                127
+#define TGSI_OPCODE_CRS                 TGSI_OPCODE_XPD
+#define TGSI_OPCODE_NRM4                128
+#define TGSI_OPCODE_SINCOS              TGSI_OPCODE_SCS
+#define TGSI_OPCODE_TEXLDB              TGSI_OPCODE_TXB
+#define TGSI_OPCODE_DP2ADD              TGSI_OPCODE_DP2A
+
+/*
+ * ps_2_x
+ */
+#define TGSI_OPCODE_CALL                TGSI_OPCODE_CAL
+#define TGSI_OPCODE_CALLNZ              129
+#define TGSI_OPCODE_IFC                 130
+#define TGSI_OPCODE_BREAK               TGSI_OPCODE_BRK
+#define TGSI_OPCODE_BREAKC              131
+#define TGSI_OPCODE_DSX                 TGSI_OPCODE_DDX
+#define TGSI_OPCODE_DSY                 TGSI_OPCODE_DDY
+#define TGSI_OPCODE_TEXLDD              TGSI_OPCODE_TXD
+
+/*
+ * vs_1_1
+ */
+#define TGSI_OPCODE_EXPP                TGSI_OPCODE_EXP
+#define TGSI_OPCODE_LOGP                TGSI_OPCODE_LG2
+
+/*
+ * vs_2_0
+ */
+#define TGSI_OPCODE_SGN                 TGSI_OPCODE_SSG
+#define TGSI_OPCODE_MOVA                TGSI_OPCODE_ARR
+
+/*
+ * vs_2_x
+ */
+
+#define TGSI_OPCODE_KIL                 132  /* unpredicated kill */
+#define TGSI_OPCODE_END                 133  /* aka HALT */
+
+#define TGSI_OPCODE_LAST                134
+
+#define TGSI_SAT_NONE            0  /* do not saturate */
+#define TGSI_SAT_ZERO_ONE        1  /* clamp to [0,1] */
+#define TGSI_SAT_MINUS_PLUS_ONE  2  /* clamp to [-1,1] */
+
+/*
+ * Opcode is the operation code to execute. A given operation defines the
+ * semantics how the source registers (if any) are interpreted and what is
+ * written to the destination registers (if any) as a result of execution.
+ *
+ * NumDstRegs and NumSrcRegs is the number of destination and source registers,
+ * respectively. For a given operation code, those numbers are fixed and are
+ * present here only for convenience.
+ *
+ * If Extended is TRUE, it is now executed.
+ *
+ * Saturate controls how are final results in destination registers modified.
+ */
+
+struct tgsi_instruction
+{
+   unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
+   unsigned Size       : 8;  /* UINT */
+   unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
+   unsigned Saturate   : 2;  /* TGSI_SAT_ */
+   unsigned NumDstRegs : 2;  /* UINT */
+   unsigned NumSrcRegs : 4;  /* UINT */
+   unsigned Padding    : 3;
+   unsigned Extended   : 1;  /* BOOL */
+};
+
+/*
+ * If tgsi_instruction::Extended is TRUE, tgsi_instruction_ext follows.
+ * 
+ * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
+ * 
+ * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
+ *
+ * tgsi_instruction::Size contains the total number of words that make the
+ * instruction, including the instruction word.
+ */
+
+#define TGSI_INSTRUCTION_EXT_TYPE_NV        0
+#define TGSI_INSTRUCTION_EXT_TYPE_LABEL     1
+#define TGSI_INSTRUCTION_EXT_TYPE_TEXTURE   2
+#define TGSI_INSTRUCTION_EXT_TYPE_PREDICATE 3
+
+struct tgsi_instruction_ext
+{
+   unsigned Type       : 4;  /* TGSI_INSTRUCTION_EXT_TYPE_ */
+   unsigned Padding    : 27;
+   unsigned Extended   : 1;  /* BOOL */
+};
+
+/*
+ * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_NV, it should
+ * be cast to tgsi_instruction_ext_nv.
+ * 
+ * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_LABEL, it
+ * should be cast to tgsi_instruction_ext_label.
+ * 
+ * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_TEXTURE, it
+ * should be cast to tgsi_instruction_ext_texture.
+ * 
+ * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_PREDICATE, it
+ * should be cast to tgsi_instruction_ext_predicate.
+ * 
+ * If tgsi_instruction_ext::Extended is TRUE, another tgsi_instruction_ext
+ * follows.
+ */
+
+#define TGSI_PRECISION_DEFAULT      0
+#define TGSI_PRECISION_FLOAT32      1
+#define TGSI_PRECISION_FLOAT16      2
+#define TGSI_PRECISION_FIXED12      3
+
+#define TGSI_CC_GT      0
+#define TGSI_CC_EQ      1
+#define TGSI_CC_LT      2
+#define TGSI_CC_UN      3
+#define TGSI_CC_GE      4
+#define TGSI_CC_LE      5
+#define TGSI_CC_NE      6
+#define TGSI_CC_TR      7
+#define TGSI_CC_FL      8
+
+#define TGSI_SWIZZLE_X      0
+#define TGSI_SWIZZLE_Y      1
+#define TGSI_SWIZZLE_Z      2
+#define TGSI_SWIZZLE_W      3
+
+/*
+ * Precision controls the precision at which the operation should be executed.
+ *
+ * CondDstUpdate enables condition code register writes. When this field is
+ * TRUE, CondDstIndex specifies the index of the condition code register to
+ * update.
+ *
+ * CondFlowEnable enables conditional execution of the operation. When this
+ * field is TRUE, CondFlowIndex specifies the index of the condition code
+ * register to test against CondMask with component swizzle controled by
+ * CondSwizzleX, CondSwizzleY, CondSwizzleZ and CondSwizzleW. If the test fails,
+ * the operation is not executed.
+ */
+
+struct tgsi_instruction_ext_nv
+{
+   unsigned Type             : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_NV */
+   unsigned Precision        : 4;    /* TGSI_PRECISION_ */
+   unsigned CondDstIndex     : 4;    /* UINT */
+   unsigned CondFlowIndex    : 4;    /* UINT */
+   unsigned CondMask         : 4;    /* TGSI_CC_ */
+   unsigned CondSwizzleX     : 2;    /* TGSI_SWIZZLE_ */
+   unsigned CondSwizzleY     : 2;    /* TGSI_SWIZZLE_ */
+   unsigned CondSwizzleZ     : 2;    /* TGSI_SWIZZLE_ */
+   unsigned CondSwizzleW     : 2;    /* TGSI_SWIZZLE_ */
+   unsigned CondDstUpdate    : 1;    /* BOOL */
+   unsigned CondFlowEnable   : 1;    /* BOOL */
+   unsigned Padding          : 1;
+   unsigned Extended         : 1;    /* BOOL */
+};
+
+struct tgsi_instruction_ext_label
+{
+   unsigned Type     : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_LABEL */
+   unsigned Label    : 24;   /* UINT */
+   unsigned Padding  : 3;
+   unsigned Extended : 1;    /* BOOL */
+};
+
+#define TGSI_TEXTURE_UNKNOWN        0
+#define TGSI_TEXTURE_1D             1
+#define TGSI_TEXTURE_2D             2
+#define TGSI_TEXTURE_3D             3
+#define TGSI_TEXTURE_CUBE           4
+#define TGSI_TEXTURE_RECT           5
+#define TGSI_TEXTURE_SHADOW1D       6
+#define TGSI_TEXTURE_SHADOW2D       7
+#define TGSI_TEXTURE_SHADOWRECT     8
+
+struct tgsi_instruction_ext_texture
+{
+   unsigned Type     : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_TEXTURE */
+   unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
+   unsigned Padding  : 19;
+   unsigned Extended : 1;    /* BOOL */
+};
+
+struct tgsi_instruction_ext_predicate
+{
+   unsigned Type             : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_PREDICATE */
+   unsigned PredDstIndex     : 4;    /* UINT */
+   unsigned PredWriteMask    : 4;    /* TGSI_WRITEMASK_ */
+   unsigned Padding          : 19;
+   unsigned Extended         : 1;    /* BOOL */
+};
+
+/*
+ * File specifies the register array to access.
+ *
+ * Index specifies the element number of a register in the register file.
+ *
+ * If Indirect is TRUE, Index should be offset by the X component of a source
+ * register that follows. The register can be now fetched into local storage
+ * for further processing.
+ *
+ * If Negate is TRUE, all components of the fetched register are negated.
+ *
+ * The fetched register components are swizzled according to SwizzleX, SwizzleY,
+ * SwizzleZ and SwizzleW.
+ *
+ * If Extended is TRUE, any further modifications to the source register are
+ * made to this temporary storage.
+ */
+
+struct tgsi_src_register
+{
+   unsigned File        : 4;  /* TGSI_FILE_ */
+   unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
+   unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
+   unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
+   unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
+   unsigned Negate      : 1;  /* BOOL */
+   unsigned Indirect    : 1;  /* BOOL */
+   unsigned Dimension   : 1;  /* BOOL */
+   int      Index       : 16; /* SINT */
+   unsigned Extended    : 1;  /* BOOL */
+};
+
+/*
+ * If tgsi_src_register::Extended is TRUE, tgsi_src_register_ext follows.
+ * 
+ * Then, if tgsi_src_register::Indirect is TRUE, another tgsi_src_register
+ * follows.
+ *
+ * Then, if tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
+ */
+
+#define TGSI_SRC_REGISTER_EXT_TYPE_SWZ      0
+#define TGSI_SRC_REGISTER_EXT_TYPE_MOD      1
+
+struct tgsi_src_register_ext
+{
+   unsigned Type     : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_ */
+   unsigned Padding  : 27;
+   unsigned Extended : 1;    /* BOOL */
+};
+
+/*
+ * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_SWZ,
+ * it should be cast to tgsi_src_register_ext_extswz.
+ * 
+ * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_MOD,
+ * it should be cast to tgsi_src_register_ext_mod.
+ * 
+ * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
+ * follows.
+ */
+
+#define TGSI_EXTSWIZZLE_X       TGSI_SWIZZLE_X
+#define TGSI_EXTSWIZZLE_Y       TGSI_SWIZZLE_Y
+#define TGSI_EXTSWIZZLE_Z       TGSI_SWIZZLE_Z
+#define TGSI_EXTSWIZZLE_W       TGSI_SWIZZLE_W
+#define TGSI_EXTSWIZZLE_ZERO    4
+#define TGSI_EXTSWIZZLE_ONE     5
+
+/*
+ * ExtSwizzleX, ExtSwizzleY, ExtSwizzleZ and ExtSwizzleW swizzle the source
+ * register in an extended manner.
+ *
+ * NegateX, NegateY, NegateZ and NegateW negate individual components of the
+ * source register.
+ *
+ * ExtDivide specifies which component is used to divide all components of the
+ * source register.
+ */
+
+struct tgsi_src_register_ext_swz
+{
+   unsigned Type         : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_SWZ */
+   unsigned ExtSwizzleX  : 4;    /* TGSI_EXTSWIZZLE_ */
+   unsigned ExtSwizzleY  : 4;    /* TGSI_EXTSWIZZLE_ */
+   unsigned ExtSwizzleZ  : 4;    /* TGSI_EXTSWIZZLE_ */
+   unsigned ExtSwizzleW  : 4;    /* TGSI_EXTSWIZZLE_ */
+   unsigned NegateX      : 1;    /* BOOL */
+   unsigned NegateY      : 1;    /* BOOL */
+   unsigned NegateZ      : 1;    /* BOOL */
+   unsigned NegateW      : 1;    /* BOOL */
+   unsigned ExtDivide    : 4;    /* TGSI_EXTSWIZZLE_ */
+   unsigned Padding      : 3;
+   unsigned Extended     : 1;    /* BOOL */
+};
+
+/**
+ * Extra src register modifiers
+ *
+ * If Complement is TRUE, the source register is modified by subtracting it
+ * from 1.0.
+ *
+ * If Bias is TRUE, the source register is modified by subtracting 0.5 from it.
+ *
+ * If Scale2X is TRUE, the source register is modified by multiplying it by 2.0.
+ *
+ * If Absolute is TRUE, the source register is modified by removing the sign.
+ *
+ * If Negate is TRUE, the source register is modified by negating it.
+ */
+
+struct tgsi_src_register_ext_mod
+{
+   unsigned Type         : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_MOD */
+   unsigned Complement   : 1;    /* BOOL */
+   unsigned Bias         : 1;    /* BOOL */
+   unsigned Scale2X      : 1;    /* BOOL */
+   unsigned Absolute     : 1;    /* BOOL */
+   unsigned Negate       : 1;    /* BOOL */
+   unsigned Padding      : 22;
+   unsigned Extended     : 1;    /* BOOL */
+};
+
+struct tgsi_dimension
+{
+   unsigned Indirect    : 1;  /* BOOL */
+   unsigned Dimension   : 1;  /* BOOL */
+   unsigned Padding     : 13;
+   int      Index       : 16; /* SINT */
+   unsigned Extended    : 1;  /* BOOL */
+};
+
+struct tgsi_dst_register
+{
+   unsigned File        : 4;  /* TGSI_FILE_ */
+   unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
+   unsigned Indirect    : 1;  /* BOOL */
+   unsigned Dimension   : 1;  /* BOOL */
+   int      Index       : 16; /* SINT */
+   unsigned Padding     : 5;
+   unsigned Extended    : 1;  /* BOOL */
+};
+
+/*
+ * If tgsi_dst_register::Extended is TRUE, tgsi_dst_register_ext follows.
+ * 
+ * Then, if tgsi_dst_register::Indirect is TRUE, tgsi_src_register follows.
+ */
+
+#define TGSI_DST_REGISTER_EXT_TYPE_CONDCODE     0
+#define TGSI_DST_REGISTER_EXT_TYPE_MODULATE     1
+#define TGSI_DST_REGISTER_EXT_TYPE_PREDICATE    2
+
+struct tgsi_dst_register_ext
+{
+   unsigned Type     : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_ */
+   unsigned Padding  : 27;
+   unsigned Extended : 1;    /* BOOL */
+};
+
+/**
+ * Extra destination register modifiers
+ *
+ * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_CONDCODE,
+ * it should be cast to tgsi_dst_register_ext_condcode.
+ * 
+ * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_MODULATE,
+ * it should be cast to tgsi_dst_register_ext_modulate.
+ * 
+ * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_PREDICATE,
+ * it should be cast to tgsi_dst_register_ext_predicate.
+ * 
+ * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
+ * follows.
+ */
+struct tgsi_dst_register_ext_concode
+{
+   unsigned Type         : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_CONDCODE */
+   unsigned CondMask     : 4;    /* TGSI_CC_ */
+   unsigned CondSwizzleX : 2;    /* TGSI_SWIZZLE_ */
+   unsigned CondSwizzleY : 2;    /* TGSI_SWIZZLE_ */
+   unsigned CondSwizzleZ : 2;    /* TGSI_SWIZZLE_ */
+   unsigned CondSwizzleW : 2;    /* TGSI_SWIZZLE_ */
+   unsigned CondSrcIndex : 4;    /* UINT */
+   unsigned Padding      : 11;
+   unsigned Extended     : 1;    /* BOOL */
+};
+
+#define TGSI_MODULATE_1X        0
+#define TGSI_MODULATE_2X        1
+#define TGSI_MODULATE_4X        2
+#define TGSI_MODULATE_8X        3
+#define TGSI_MODULATE_HALF      4
+#define TGSI_MODULATE_QUARTER   5
+#define TGSI_MODULATE_EIGHTH    6
+
+struct tgsi_dst_register_ext_modulate
+{
+   unsigned Type     : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_MODULATE */
+   unsigned Modulate : 4;    /* TGSI_MODULATE_ */
+   unsigned Padding  : 23;
+   unsigned Extended : 1;    /* BOOL */
+};
+
+/*
+ * Currently, the following constraints apply.
+ *
+ * - PredSwizzleXYZW is either set to identity or replicate.
+ * - PredSrcIndex is 0.
+ */
+
+struct tgsi_dst_register_ext_predicate
+{
+   unsigned Type         : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_PREDICATE */
+   unsigned PredSwizzleX : 2;    /* TGSI_SWIZZLE_ */
+   unsigned PredSwizzleY : 2;    /* TGSI_SWIZZLE_ */
+   unsigned PredSwizzleZ : 2;    /* TGSI_SWIZZLE_ */
+   unsigned PredSwizzleW : 2;    /* TGSI_SWIZZLE_ */
+   unsigned PredSrcIndex : 4;    /* UINT */
+   unsigned Negate       : 1;    /* BOOL */
+   unsigned Padding      : 14;
+   unsigned Extended     : 1;    /* BOOL */
+};
+
+
+#if defined __cplusplus
+} // extern "C"
+#endif // defined __cplusplus
+
+#endif // !defined TGSI_TOKEN_H
+