1 /************************************************************************** 2 * 3 * Copyright 2007 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef TGSI_PARSE_H 29 #define TGSI_PARSE_H 30 31 #include "pipe/p_compiler.h" 32 #include "pipe/p_shader_tokens.h" 33 34 #if defined __cplusplus 35 extern "C" { 36 #endif 37 38 struct tgsi_full_header 39 { 40 struct tgsi_header Header; 41 struct tgsi_processor Processor; 42 }; 43 44 struct tgsi_full_dst_register 45 { 46 struct tgsi_dst_register Register; 47 struct tgsi_ind_register Indirect; 48 struct tgsi_dimension Dimension; 49 struct tgsi_ind_register DimIndirect; 50 }; 51 52 struct tgsi_full_src_register 53 { 54 struct tgsi_src_register Register; 55 struct tgsi_ind_register Indirect; 56 struct tgsi_dimension Dimension; 57 struct tgsi_ind_register DimIndirect; 58 }; 59 60 struct tgsi_full_declaration 61 { 62 struct tgsi_declaration Declaration; 63 struct tgsi_declaration_range Range; 64 struct tgsi_declaration_dimension Dim; 65 struct tgsi_declaration_interp Interp; 66 struct tgsi_declaration_semantic Semantic; 67 struct tgsi_declaration_image Image; 68 struct tgsi_declaration_sampler_view SamplerView; 69 struct tgsi_declaration_array Array; 70 }; 71 72 struct tgsi_full_immediate 73 { 74 struct tgsi_immediate Immediate; 75 union tgsi_immediate_data u[4]; 76 }; 77 78 struct tgsi_full_property 79 { 80 struct tgsi_property Property; 81 struct tgsi_property_data u[8]; 82 }; 83 84 #define TGSI_FULL_MAX_DST_REGISTERS 2 85 #define TGSI_FULL_MAX_SRC_REGISTERS 5 /* SAMPLE_D has 5 */ 86 #define TGSI_FULL_MAX_TEX_OFFSETS 4 87 88 struct tgsi_full_instruction 89 { 90 struct tgsi_instruction Instruction; 91 struct tgsi_instruction_predicate Predicate; 92 struct tgsi_instruction_label Label; 93 struct tgsi_instruction_texture Texture; 94 struct tgsi_instruction_memory Memory; 95 struct tgsi_full_dst_register Dst[TGSI_FULL_MAX_DST_REGISTERS]; 96 struct tgsi_full_src_register Src[TGSI_FULL_MAX_SRC_REGISTERS]; 97 struct tgsi_texture_offset TexOffsets[TGSI_FULL_MAX_TEX_OFFSETS]; 98 }; 99 100 union tgsi_full_token 101 { 102 struct tgsi_token Token; 103 struct tgsi_full_declaration FullDeclaration; 104 struct tgsi_full_immediate FullImmediate; 105 struct tgsi_full_instruction FullInstruction; 106 struct tgsi_full_property FullProperty; 107 }; 108 109 struct tgsi_parse_context 110 { 111 const struct tgsi_token *Tokens; 112 unsigned Position; 113 struct tgsi_full_header FullHeader; 114 union tgsi_full_token FullToken; 115 }; 116 117 #define TGSI_PARSE_OK 0 118 #define TGSI_PARSE_ERROR 1 119 120 unsigned 121 tgsi_parse_init( 122 struct tgsi_parse_context *ctx, 123 const struct tgsi_token *tokens ); 124 125 void 126 tgsi_parse_free( 127 struct tgsi_parse_context *ctx ); 128 129 boolean 130 tgsi_parse_end_of_tokens( 131 struct tgsi_parse_context *ctx ); 132 133 void 134 tgsi_parse_token( 135 struct tgsi_parse_context *ctx ); 136 137 static inline unsigned 138 tgsi_num_tokens(const struct tgsi_token *tokens) 139 { 140 struct tgsi_header header; 141 memcpy(&header, tokens, sizeof(header)); 142 return header.HeaderSize + header.BodySize; 143 } 144 145 void 146 tgsi_dump_tokens(const struct tgsi_token *tokens); 147 148 struct tgsi_token * 149 tgsi_dup_tokens(const struct tgsi_token *tokens); 150 151 struct tgsi_token * 152 tgsi_alloc_tokens(unsigned num_tokens); 153 154 void 155 tgsi_free_tokens(const struct tgsi_token *tokens); 156 157 unsigned 158 tgsi_get_processor_type(const struct tgsi_token *tokens); 159 160 #if defined __cplusplus 161 } 162 #endif 163 164 #endif /* TGSI_PARSE_H */ 165 166
