/************************************************************************** * * Copyright 2008 VMware, Inc. * 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 VMWARE 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 struct tgsi_header { unsigned HeaderSize : 8; unsigned BodySize : 24; }; #define TGSI_PROCESSOR_FRAGMENT 0 #define TGSI_PROCESSOR_VERTEX 1 #define TGSI_PROCESSOR_GEOMETRY 2 #define TGSI_PROCESSOR_COMPUTE 3 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_RESOURCE =10, TGSI_FILE_SAMPLER_VIEW =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_COLOR 3 /* special color case for smooth/flat */ #define TGSI_INTERPOLATE_COUNT 4 #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 Dimension : 1; /**< any extra dimension info? */ unsigned Semantic : 1; /**< BOOL, any semantic info? */ unsigned Interpolate : 1; /**< any interpolation info? */ unsigned Invariant : 1; /**< invariant optimization? */ unsigned Local : 1; /**< optimize as subroutine local variable? */ unsigned Array : 1; /**< extra array info? */ unsigned Padding : 6; }; struct tgsi_declaration_range { unsigned First : 16; /**< UINT */ unsigned Last : 16; /**< UINT */ }; struct tgsi_declaration_dimension { unsigned Index2D:16; /**< UINT */ unsigned Padding:16; }; struct tgsi_declaration_interp { unsigned Interpolate : 4; /**< one of TGSI_INTERPOLATE_x */ unsigned Centroid : 1; /**< centroid sampling? */ unsigned CylindricalWrap:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */ unsigned Padding : 23; }; #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 /**< doesn't include start_instance */ #define TGSI_SEMANTIC_VERTEXID 11 #define TGSI_SEMANTIC_STENCIL 12 #define TGSI_SEMANTIC_CLIPDIST 13 #define TGSI_SEMANTIC_CLIPVERTEX 14 #define TGSI_SEMANTIC_GRID_SIZE 15 /**< grid size in blocks */ #define TGSI_SEMANTIC_BLOCK_ID 16 /**< id of the current block */ #define TGSI_SEMANTIC_BLOCK_SIZE 17 /**< block size in threads */ #define TGSI_SEMANTIC_THREAD_ID 18 /**< block-relative id of the current thread */ #define TGSI_SEMANTIC_TEXCOORD 19 /**< texture or sprite coordinates */ #define TGSI_SEMANTIC_PCOORD 20 /**< point sprite coordinate */ #define TGSI_SEMANTIC_VIEWPORT_INDEX 21 /**< viewport index */ #define TGSI_SEMANTIC_LAYER 22 /**< layer (rendertarget index) */ #define TGSI_SEMANTIC_CULLDIST 23 #define TGSI_SEMANTIC_SAMPLEID 24 #define TGSI_SEMANTIC_SAMPLEPOS 25 #define TGSI_SEMANTIC_SAMPLEMASK 26 #define TGSI_SEMANTIC_INVOCATIONID 27 #define TGSI_SEMANTIC_COUNT 28 /**< number of semantic values */ struct tgsi_declaration_semantic { unsigned Name : 8; /**< one of TGSI_SEMANTIC_x */ unsigned Index : 16; /**< UINT */ unsigned Padding : 8; }; struct tgsi_declaration_resource { unsigned Resource : 8; /**< one of TGSI_TEXTURE_ */ unsigned Raw : 1; unsigned Writable : 1; unsigned Padding : 22; }; struct tgsi_declaration_sampler_view { unsigned Resource : 8; /**< one of TGSI_TEXTURE_ */ unsigned ReturnTypeX : 6; /**< one of enum pipe_type */ unsigned ReturnTypeY : 6; /**< one of enum pipe_type */ unsigned ReturnTypeZ : 6; /**< one of enum pipe_type */ unsigned ReturnTypeW : 6; /**< one of enum pipe_type */ }; struct tgsi_declaration_array { unsigned ArrayID : 10; unsigned Padding : 22; }; /* * Special resources that don't need to be declared. They map to the * GLOBAL/LOCAL/PRIVATE/INPUT compute memory spaces. */ #define TGSI_RESOURCE_GLOBAL 0x7fff #define TGSI_RESOURCE_LOCAL 0x7ffe #define TGSI_RESOURCE_PRIVATE 0x7ffd #define TGSI_RESOURCE_INPUT 0x7ffc #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_FS_COLOR0_WRITES_ALL_CBUFS 5 #define TGSI_PROPERTY_FS_DEPTH_LAYOUT 6 #define TGSI_PROPERTY_VS_PROHIBIT_UCPS 7 #define TGSI_PROPERTY_GS_INVOCATIONS 8 #define TGSI_PROPERTY_COUNT 9 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 #define TGSI_FS_DEPTH_LAYOUT_NONE 0 #define TGSI_FS_DEPTH_LAYOUT_ANY 1 #define TGSI_FS_DEPTH_LAYOUT_GREATER 2 #define TGSI_FS_DEPTH_LAYOUT_LESS 3 #define TGSI_FS_DEPTH_LAYOUT_UNCHANGED 4 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 * gallium/docs/source/tgsi.rst */ #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 #define TGSI_OPCODE_SQRT 20 #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_KILL 39 /* unconditional */ #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 #define TGSI_OPCODE_UIF 75 #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 #define TGSI_OPCODE_TXQ_LZ 103 /* TXQ for mipmap level 0 */ /* gap */ #define TGSI_OPCODE_NOP 107 #define TGSI_OPCODE_FSEQ 108 #define TGSI_OPCODE_FSGE 109 #define TGSI_OPCODE_FSLT 110 #define TGSI_OPCODE_FSNE 111 #define TGSI_OPCODE_NRM4 112 #define TGSI_OPCODE_CALLNZ 113 /* gap */ #define TGSI_OPCODE_BREAKC 115 #define TGSI_OPCODE_KILL_IF 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 /* resource related opcodes */ #define TGSI_OPCODE_SAMPLE 145 #define TGSI_OPCODE_SAMPLE_I 146 #define TGSI_OPCODE_SAMPLE_I_MS 147 #define TGSI_OPCODE_SAMPLE_B 148 #define TGSI_OPCODE_SAMPLE_C 149 #define TGSI_OPCODE_SAMPLE_C_LZ 150 #define TGSI_OPCODE_SAMPLE_D 151 #define TGSI_OPCODE_SAMPLE_L 152 #define TGSI_OPCODE_GATHER4 153 #define TGSI_OPCODE_SVIEWINFO 154 #define TGSI_OPCODE_SAMPLE_POS 155 #define TGSI_OPCODE_SAMPLE_INFO 156 #define TGSI_OPCODE_UARL 157 #define TGSI_OPCODE_UCMP 158 #define TGSI_OPCODE_IABS 159 #define TGSI_OPCODE_ISSG 160 #define TGSI_OPCODE_LOAD 161 #define TGSI_OPCODE_STORE 162 #define TGSI_OPCODE_MFENCE 163 #define TGSI_OPCODE_LFENCE 164 #define TGSI_OPCODE_SFENCE 165 #define TGSI_OPCODE_BARRIER 166 #define TGSI_OPCODE_ATOMUADD 167 #define TGSI_OPCODE_ATOMXCHG 168 #define TGSI_OPCODE_ATOMCAS 169 #define TGSI_OPCODE_ATOMAND 170 #define TGSI_OPCODE_ATOMOR 171 #define TGSI_OPCODE_ATOMXOR 172 #define TGSI_OPCODE_ATOMUMIN 173 #define TGSI_OPCODE_ATOMUMAX 174 #define TGSI_OPCODE_ATOMIMIN 175 #define TGSI_OPCODE_ATOMIMAX 176 /* to be used for shadow cube map compares */ #define TGSI_OPCODE_TEX2 177 #define TGSI_OPCODE_TXB2 178 #define TGSI_OPCODE_TXL2 179 #define TGSI_OPCODE_IMUL_HI 180 #define TGSI_OPCODE_UMUL_HI 181 #define TGSI_OPCODE_TG4 182 #define TGSI_OPCODE_LODQ 183 #define TGSI_OPCODE_IBFE 184 #define TGSI_OPCODE_UBFE 185 #define TGSI_OPCODE_BFI 186 #define TGSI_OPCODE_BREV 187 #define TGSI_OPCODE_POPC 188 #define TGSI_OPCODE_LSB 189 #define TGSI_OPCODE_IMSB 190 #define TGSI_OPCODE_UMSB 191 #define TGSI_OPCODE_LAST 192 #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. * if texture instruction has a number of offsets, * then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow. * * 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_BUFFER 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_1D_ARRAY 9 #define TGSI_TEXTURE_2D_ARRAY 10 #define TGSI_TEXTURE_SHADOW1D_ARRAY 11 #define TGSI_TEXTURE_SHADOW2D_ARRAY 12 #define TGSI_TEXTURE_SHADOWCUBE 13 #define TGSI_TEXTURE_2D_MSAA 14 #define TGSI_TEXTURE_2D_ARRAY_MSAA 15 #define TGSI_TEXTURE_CUBE_ARRAY 16 #define TGSI_TEXTURE_SHADOWCUBE_ARRAY 17 #define TGSI_TEXTURE_UNKNOWN 18 #define TGSI_TEXTURE_COUNT 19 struct tgsi_instruction_texture { unsigned Texture : 8; /* TGSI_TEXTURE_ */ unsigned NumOffsets : 4; unsigned Padding : 20; }; /* for texture offsets in GLSL and DirectX. * Generally these always come from TGSI_FILE_IMMEDIATE, * however DX11 appears to have the capability to do * non-constant texture offsets. */ struct tgsi_texture_offset { int Index : 16; unsigned File : 4; /**< one of TGSI_FILE_x */ unsigned SwizzleX : 2; /* TGSI_SWIZZLE_x */ unsigned SwizzleY : 2; /* TGSI_SWIZZLE_x */ unsigned SwizzleZ : 2; /* TGSI_SWIZZLE_x */ unsigned Padding : 6; }; /* * 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 the indirect * 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::Indirect is TRUE, tgsi_ind_register follows. * * File, Index and Swizzle are handled the same as in tgsi_src_register. * * If ArrayID is zero the whole register file might be is indirectly addressed, * if not only the Declaration with this ArrayID is accessed by this operand. * */ struct tgsi_ind_register { unsigned File : 4; /* TGSI_FILE_ */ int Index : 16; /* SINT */ unsigned Swizzle : 2; /* TGSI_SWIZZLE_ */ unsigned ArrayID : 10; /* UINT */ }; /** * 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 */