diff options
Diffstat (limited to 'src/gallium/include/pipe/p_shader_tokens.h')
| -rw-r--r-- | src/gallium/include/pipe/p_shader_tokens.h | 495 |
1 files changed, 495 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h new file mode 100644 index 0000000000..9df20ea858 --- /dev/null +++ b/src/gallium/include/pipe/p_shader_tokens.h @@ -0,0 +1,495 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright 2009-2010 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef P_SHADER_TOKENS_H +#define P_SHADER_TOKENS_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "p_compiler.h" + + +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 +#define TGSI_TOKEN_TYPE_PROPERTY 3 + +struct tgsi_token +{ + unsigned Type : 4; /**< TGSI_TOKEN_TYPE_x */ + unsigned NrTokens : 8; /**< UINT */ + unsigned Padding : 20; +}; + +enum tgsi_file_type { + TGSI_FILE_NULL =0, + TGSI_FILE_CONSTANT =1, + TGSI_FILE_INPUT =2, + TGSI_FILE_OUTPUT =3, + TGSI_FILE_TEMPORARY =4, + TGSI_FILE_SAMPLER =5, + TGSI_FILE_ADDRESS =6, + TGSI_FILE_IMMEDIATE =7, + TGSI_FILE_PREDICATE =8, + TGSI_FILE_SYSTEM_VALUE =9, + TGSI_FILE_IMMEDIATE_ARRAY =10, + TGSI_FILE_TEMPORARY_ARRAY =11, + TGSI_FILE_COUNT /**< how many TGSI_FILE_ types */ +}; + + +#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 + +#define TGSI_INTERPOLATE_CONSTANT 0 +#define TGSI_INTERPOLATE_LINEAR 1 +#define TGSI_INTERPOLATE_PERSPECTIVE 2 +#define TGSI_INTERPOLATE_COUNT 3 + +#define TGSI_CYLINDRICAL_WRAP_X (1 << 0) +#define TGSI_CYLINDRICAL_WRAP_Y (1 << 1) +#define TGSI_CYLINDRICAL_WRAP_Z (1 << 2) +#define TGSI_CYLINDRICAL_WRAP_W (1 << 3) + +struct tgsi_declaration +{ + unsigned Type : 4; /**< TGSI_TOKEN_TYPE_DECLARATION */ + unsigned NrTokens : 8; /**< UINT */ + unsigned File : 4; /**< one of TGSI_FILE_x */ + unsigned UsageMask : 4; /**< bitmask of TGSI_WRITEMASK_x flags */ + unsigned Interpolate : 4; /**< one of TGSI_INTERPOLATE_x */ + unsigned Dimension : 1; /**< any extra dimension info? */ + unsigned Semantic : 1; /**< BOOL, any semantic info? */ + unsigned Centroid : 1; /**< centroid sampling? */ + unsigned Invariant : 1; /**< invariant optimization? */ + unsigned CylindricalWrap:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */ +}; + +struct tgsi_declaration_range +{ + unsigned First : 16; /**< UINT */ + unsigned Last : 16; /**< UINT */ +}; + +struct tgsi_declaration_dimension +{ + unsigned Index2D:16; /**< UINT */ + unsigned Padding:16; +}; + +#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_NORMAL 6 +#define TGSI_SEMANTIC_FACE 7 +#define TGSI_SEMANTIC_EDGEFLAG 8 +#define TGSI_SEMANTIC_PRIMID 9 +#define TGSI_SEMANTIC_INSTANCEID 10 +#define TGSI_SEMANTIC_COUNT 11 /**< number of semantic values */ + +struct tgsi_declaration_semantic +{ + unsigned Name : 8; /**< one of TGSI_SEMANTIC_x */ + unsigned Index : 16; /**< UINT */ + unsigned Padding : 8; +}; + +#define TGSI_IMM_FLOAT32 0 +#define TGSI_IMM_UINT32 1 +#define TGSI_IMM_INT32 2 + +struct tgsi_immediate +{ + unsigned Type : 4; /**< TGSI_TOKEN_TYPE_IMMEDIATE */ + unsigned NrTokens : 14; /**< UINT */ + unsigned DataType : 4; /**< one of TGSI_IMM_x */ + unsigned Padding : 10; +}; + +union tgsi_immediate_data +{ + float Float; + unsigned Uint; + int Int; +}; + +#define TGSI_PROPERTY_GS_INPUT_PRIM 0 +#define TGSI_PROPERTY_GS_OUTPUT_PRIM 1 +#define TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES 2 +#define TGSI_PROPERTY_FS_COORD_ORIGIN 3 +#define TGSI_PROPERTY_FS_COORD_PIXEL_CENTER 4 +#define TGSI_PROPERTY_COUNT 5 + +struct tgsi_property { + unsigned Type : 4; /**< TGSI_TOKEN_TYPE_PROPERTY */ + unsigned NrTokens : 8; /**< UINT */ + unsigned PropertyName : 8; /**< one of TGSI_PROPERTY */ + unsigned Padding : 12; +}; + +#define TGSI_FS_COORD_ORIGIN_UPPER_LEFT 0 +#define TGSI_FS_COORD_ORIGIN_LOWER_LEFT 1 + +#define TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER 0 +#define TGSI_FS_COORD_PIXEL_CENTER_INTEGER 1 + +struct tgsi_property_data { + unsigned Data; +}; + +/* TGSI opcodes. + * + * For more information on semantics of opcodes and + * which APIs are known to use which opcodes, see + * auxiliary/tgsi/tgsi-instruction-set.txt + */ +#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 +#define TGSI_OPCODE_SUB 17 +#define TGSI_OPCODE_LRP 18 +#define TGSI_OPCODE_CND 19 + /* gap */ +#define TGSI_OPCODE_DP2A 21 + /* gap */ +#define TGSI_OPCODE_FRC 24 +#define TGSI_OPCODE_CLAMP 25 +#define TGSI_OPCODE_FLR 26 +#define TGSI_OPCODE_ROUND 27 +#define TGSI_OPCODE_EX2 28 +#define TGSI_OPCODE_LG2 29 +#define TGSI_OPCODE_POW 30 +#define TGSI_OPCODE_XPD 31 + /* gap */ +#define TGSI_OPCODE_ABS 33 +#define TGSI_OPCODE_RCC 34 +#define TGSI_OPCODE_DPH 35 +#define TGSI_OPCODE_COS 36 +#define TGSI_OPCODE_DDX 37 +#define TGSI_OPCODE_DDY 38 +#define TGSI_OPCODE_KILP 39 /* predicated kill */ +#define TGSI_OPCODE_PK2H 40 +#define TGSI_OPCODE_PK2US 41 +#define TGSI_OPCODE_PK4B 42 +#define TGSI_OPCODE_PK4UB 43 +#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_TXP 54 +#define TGSI_OPCODE_UP2H 55 +#define TGSI_OPCODE_UP2US 56 +#define TGSI_OPCODE_UP4B 57 +#define TGSI_OPCODE_UP4UB 58 +#define TGSI_OPCODE_X2D 59 +#define TGSI_OPCODE_ARA 60 +#define TGSI_OPCODE_ARR 61 +#define TGSI_OPCODE_BRA 62 +#define TGSI_OPCODE_CAL 63 +#define TGSI_OPCODE_RET 64 +#define TGSI_OPCODE_SSG 65 /* SGN */ +#define TGSI_OPCODE_CMP 66 +#define TGSI_OPCODE_SCS 67 +#define TGSI_OPCODE_TXB 68 +#define TGSI_OPCODE_NRM 69 +#define TGSI_OPCODE_DIV 70 +#define TGSI_OPCODE_DP2 71 +#define TGSI_OPCODE_TXL 72 +#define TGSI_OPCODE_BRK 73 +#define TGSI_OPCODE_IF 74 + /* gap */ +#define TGSI_OPCODE_ELSE 77 +#define TGSI_OPCODE_ENDIF 78 + /* gap */ +#define TGSI_OPCODE_PUSHA 81 +#define TGSI_OPCODE_POPA 82 +#define TGSI_OPCODE_CEIL 83 +#define TGSI_OPCODE_I2F 84 +#define TGSI_OPCODE_NOT 85 +#define TGSI_OPCODE_TRUNC 86 +#define TGSI_OPCODE_SHL 87 + /* gap */ +#define TGSI_OPCODE_AND 89 +#define TGSI_OPCODE_OR 90 +#define TGSI_OPCODE_MOD 91 +#define TGSI_OPCODE_XOR 92 +#define TGSI_OPCODE_SAD 93 +#define TGSI_OPCODE_TXF 94 +#define TGSI_OPCODE_TXQ 95 +#define TGSI_OPCODE_CONT 96 +#define TGSI_OPCODE_EMIT 97 +#define TGSI_OPCODE_ENDPRIM 98 +#define TGSI_OPCODE_BGNLOOP 99 +#define TGSI_OPCODE_BGNSUB 100 +#define TGSI_OPCODE_ENDLOOP 101 +#define TGSI_OPCODE_ENDSUB 102 + /* gap */ +#define TGSI_OPCODE_NOP 107 + /* gap */ +#define TGSI_OPCODE_NRM4 112 +#define TGSI_OPCODE_CALLNZ 113 +#define TGSI_OPCODE_IFC 114 +#define TGSI_OPCODE_BREAKC 115 +#define TGSI_OPCODE_KIL 116 /* conditional kill */ +#define TGSI_OPCODE_END 117 /* aka HALT */ + /* gap */ +#define TGSI_OPCODE_F2I 119 +#define TGSI_OPCODE_IDIV 120 +#define TGSI_OPCODE_IMAX 121 +#define TGSI_OPCODE_IMIN 122 +#define TGSI_OPCODE_INEG 123 +#define TGSI_OPCODE_ISGE 124 +#define TGSI_OPCODE_ISHR 125 +#define TGSI_OPCODE_ISLT 126 +#define TGSI_OPCODE_F2U 127 +#define TGSI_OPCODE_U2F 128 +#define TGSI_OPCODE_UADD 129 +#define TGSI_OPCODE_UDIV 130 +#define TGSI_OPCODE_UMAD 131 +#define TGSI_OPCODE_UMAX 132 +#define TGSI_OPCODE_UMIN 133 +#define TGSI_OPCODE_UMOD 134 +#define TGSI_OPCODE_UMUL 135 +#define TGSI_OPCODE_USEQ 136 +#define TGSI_OPCODE_USGE 137 +#define TGSI_OPCODE_USHR 138 +#define TGSI_OPCODE_USLT 139 +#define TGSI_OPCODE_USNE 140 +#define TGSI_OPCODE_SWITCH 141 +#define TGSI_OPCODE_CASE 142 +#define TGSI_OPCODE_DEFAULT 143 +#define TGSI_OPCODE_ENDSWITCH 144 +#define TGSI_OPCODE_LAST 145 + +#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 Predicate is TRUE, tgsi_instruction_predicate token immediately follows. + * + * Saturate controls how are final results in destination registers modified. + */ + +struct tgsi_instruction +{ + unsigned Type : 4; /* TGSI_TOKEN_TYPE_INSTRUCTION */ + unsigned NrTokens : 8; /* UINT */ + unsigned Opcode : 8; /* TGSI_OPCODE_ */ + unsigned Saturate : 2; /* TGSI_SAT_ */ + unsigned NumDstRegs : 2; /* UINT */ + unsigned NumSrcRegs : 4; /* UINT */ + unsigned Predicate : 1; /* BOOL */ + unsigned Label : 1; + unsigned Texture : 1; + unsigned Padding : 1; +}; + +/* + * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows. + * + * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows. + * + * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow. + * + * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow. + * + * tgsi_instruction::NrTokens contains the total number of words that make the + * instruction, including the instruction word. + */ + +#define TGSI_SWIZZLE_X 0 +#define TGSI_SWIZZLE_Y 1 +#define TGSI_SWIZZLE_Z 2 +#define TGSI_SWIZZLE_W 3 + +struct tgsi_instruction_label +{ + unsigned Label : 24; /* UINT */ + unsigned Padding : 8; +}; + +#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 +#define TGSI_TEXTURE_COUNT 9 + +struct tgsi_instruction_texture +{ + unsigned Texture : 8; /* TGSI_TEXTURE_ */ + unsigned Padding : 24; +}; + +/* + * For SM3, the following constraint applies. + * - Swizzle is either set to identity or replicate. + */ +struct tgsi_instruction_predicate +{ + int Index : 16; /* SINT */ + unsigned SwizzleX : 2; /* TGSI_SWIZZLE_x */ + unsigned SwizzleY : 2; /* TGSI_SWIZZLE_x */ + unsigned SwizzleZ : 2; /* TGSI_SWIZZLE_x */ + unsigned SwizzleW : 2; /* TGSI_SWIZZLE_x */ + unsigned Negate : 1; /* BOOL */ + unsigned Padding : 7; +}; + +/** + * 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. + * + */ + +struct tgsi_src_register +{ + unsigned File : 4; /* TGSI_FILE_ */ + unsigned Indirect : 1; /* BOOL */ + unsigned Dimension : 1; /* BOOL */ + int Index : 16; /* SINT */ + unsigned SwizzleX : 2; /* TGSI_SWIZZLE_ */ + unsigned SwizzleY : 2; /* TGSI_SWIZZLE_ */ + unsigned SwizzleZ : 2; /* TGSI_SWIZZLE_ */ + unsigned SwizzleW : 2; /* TGSI_SWIZZLE_ */ + unsigned Absolute : 1; /* BOOL */ + unsigned Negate : 1; /* BOOL */ +}; + +/** + * If tgsi_src_register::Modifier is TRUE, tgsi_src_register_modifier 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. + */ + + +struct tgsi_dimension +{ + unsigned Indirect : 1; /* BOOL */ + unsigned Dimension : 1; /* BOOL */ + unsigned Padding : 14; + int Index : 16; /* SINT */ +}; + +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 : 6; +}; + + +#ifdef __cplusplus +} +#endif + +#endif /* P_SHADER_TOKENS_H */ |