diff options
Diffstat (limited to 'src/gallium/include/pipe/p_shader_tokens.h')
| -rw-r--r-- | src/gallium/include/pipe/p_shader_tokens.h | 809 |
1 files changed, 809 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 00000000000..78c20de3e27 --- /dev/null +++ b/src/gallium/include/pipe/p_shader_tokens.h @@ -0,0 +1,809 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TGSI_TOKEN_H +#define TGSI_TOKEN_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "p_compiler.h" + +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 */ +}; + +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_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 + +struct tgsi_declaration +{ + unsigned Type : 4; /* TGSI_TOKEN_TYPE_DECLARATION */ + unsigned Size : 8; /* UINT */ + unsigned File : 4; /* one of TGSI_FILE_x */ + unsigned UsageMask : 4; /* bitmask of TGSI_WRITEMASK_x flags */ + unsigned Interpolate : 4; /* TGSI_INTERPOLATE_ */ + unsigned Semantic : 1; /* BOOL, any semantic info? */ + unsigned Padding : 6; + unsigned Extended : 1; /* BOOL */ +}; + +struct tgsi_declaration_range +{ + unsigned First : 16; /* UINT */ + unsigned Last : 16; /* UINT */ +}; + +#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_COUNT 7 /**< 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_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 + +/* + * GL_NV_vertex_program2 + */ +#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 + +/* + * GL_ARB_vertex_program + */ +#define TGSI_OPCODE_SWZ 118 +#define TGSI_OPCODE_XPD TGSI_OPCODE_CROSSPRODUCT + +/* + * GL_ARB_fragment_program + */ +#define TGSI_OPCODE_CMP 66 +#define TGSI_OPCODE_KIL 116 /* conditional kill */ +#define TGSI_OPCODE_SCS 67 +#define TGSI_OPCODE_TXB 68 + +/* + * GL_NV_fragment_program_option + */ +/* No new opcode */ + +/* + * GL_NV_fragment_program2 + */ +#define TGSI_OPCODE_NRM 69 +#define TGSI_OPCODE_DIV 70 +#define TGSI_OPCODE_DP2 71 +#define TGSI_OPCODE_DP2A TGSI_OPCODE_DOT2ADD +#define TGSI_OPCODE_TXL 72 +#define TGSI_OPCODE_BRK 73 +#define TGSI_OPCODE_IF 74 +#define TGSI_OPCODE_LOOP 75 +#define TGSI_OPCODE_REP 76 +#define TGSI_OPCODE_ELSE 77 +#define TGSI_OPCODE_ENDIF 78 +#define TGSI_OPCODE_ENDLOOP 79 +#define TGSI_OPCODE_ENDREP 80 + +/* + * GL_NV_vertex_program2_option + */ + +/* + * GL_NV_vertex_program3 + */ +#define TGSI_OPCODE_PUSHA 81 +#define TGSI_OPCODE_POPA 82 + +/* + * GL_NV_gpu_program4 + */ +#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 +#define TGSI_OPCODE_SHR 88 +#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 + +/* + * 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 97 +#define TGSI_OPCODE_ENDPRIM 98 + +/* + * GLSL + */ +#define TGSI_OPCODE_BGNLOOP2 99 +#define TGSI_OPCODE_BGNSUB 100 +#define TGSI_OPCODE_ENDLOOP2 101 +#define TGSI_OPCODE_ENDSUB 102 +#define TGSI_OPCODE_INT TGSI_OPCODE_TRUNC +#define TGSI_OPCODE_NOISE1 103 +#define TGSI_OPCODE_NOISE2 104 +#define TGSI_OPCODE_NOISE3 105 +#define TGSI_OPCODE_NOISE4 106 +#define TGSI_OPCODE_NOP 107 + +/* + * ps_1_1 + */ +#define TGSI_OPCODE_TEXKILL TGSI_OPCODE_KIL + +/* + * ps_1_2 + */ +/* CMP - use TGSI_OPCODE_CND0 */ + +/* + * ps_1_3 + */ +/* CMP - use TGSI_OPCODE_CND0 */ + +/* + * ps_1_4 + */ +#define TGSI_OPCODE_TEXLD TGSI_OPCODE_TEX + +/* + * ps_2_0 + */ +#define TGSI_OPCODE_M4X4 TGSI_OPCODE_MULTIPLYMATRIX +#define TGSI_OPCODE_M4X3 108 +#define TGSI_OPCODE_M3X4 109 +#define TGSI_OPCODE_M3X3 110 +#define TGSI_OPCODE_M3X2 111 +#define TGSI_OPCODE_CRS TGSI_OPCODE_XPD +#define TGSI_OPCODE_NRM4 112 +#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 113 +#define TGSI_OPCODE_IFC 114 +#define TGSI_OPCODE_BREAK TGSI_OPCODE_BRK +#define TGSI_OPCODE_BREAKC 115 +#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 +/* EXPP - use TGSI_OPCODE_EX2 */ + +/* + * vs_2_x + */ + +#define TGSI_OPCODE_END 117 /* aka HALT */ + +#define TGSI_OPCODE_LAST 119 + +#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_GE 3 +#define TGSI_CC_LE 4 +#define TGSI_CC_NE 5 +#define TGSI_CC_TR 6 +#define TGSI_CC_FL 7 + +#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 +#define TGSI_TEXTURE_COUNT 9 + +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_swz. + * + * 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. + * + * NOTE: To simplify matter, if this token is present, the corresponding Swizzle + * and Negate fields in tgsi_src_register should be set to X,Y,Z,W + * and FALSE, respectively. + */ + +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 Padding : 7; + 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 +#define TGSI_MODULATE_COUNT 7 + +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 */ +}; + + +#ifdef __cplusplus +} +#endif + +#endif /* TGSI_TOKEN_H */ + |