1 /************************************************************************** 2 * 3 * Copyright 2012-2021 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 SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 20 * USE OR OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * The above copyright notice and this permission notice (including the 23 * next paragraph) shall be included in all copies or substantial portions 24 * of the Software. 25 * 26 **************************************************************************/ 27 28 /* 29 * ShaderParse.h -- 30 * Functions for parsing shader tokens. 31 */ 32 33 #ifndef SHADER_PARSE_H 34 #define SHADER_PARSE_H 35 36 #include "DriverIncludes.h" 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 struct Shader_header { 43 D3D10_SB_TOKENIZED_PROGRAM_TYPE type; 44 unsigned major_version; 45 unsigned minor_version; 46 unsigned size; 47 }; 48 49 struct dx10_imm_const_buf { 50 unsigned count; 51 unsigned *data; 52 }; 53 54 struct dx10_customdata { 55 D3D10_SB_CUSTOMDATA_CLASS _class; 56 union { 57 struct dx10_imm_const_buf constbuf; 58 } u; 59 }; 60 61 struct dx10_indexable_temp { 62 unsigned index; 63 unsigned count; 64 unsigned components; 65 }; 66 67 struct dx10_global_flags { 68 unsigned refactoring_allowed:1; 69 }; 70 71 struct Shader_relative_index { 72 unsigned imm; 73 }; 74 75 struct Shader_relative_operand { 76 D3D10_SB_OPERAND_TYPE type; 77 struct Shader_relative_index index[2]; 78 D3D10_SB_4_COMPONENT_NAME comp; 79 }; 80 81 struct Shader_index { 82 unsigned imm; 83 struct Shader_relative_operand rel; 84 D3D10_SB_OPERAND_INDEX_REPRESENTATION index_rep; 85 }; 86 87 struct Shader_operand { 88 D3D10_SB_OPERAND_TYPE type; 89 struct Shader_index index[2]; 90 unsigned index_dim; 91 }; 92 93 struct Shader_dst_operand { 94 struct Shader_operand base; 95 unsigned mask; 96 }; 97 98 union Shader_immediate { 99 float f32; 100 int i32; 101 unsigned u32; 102 }; 103 104 struct Shader_src_operand { 105 struct Shader_operand base; 106 union Shader_immediate imm[4]; 107 D3D10_SB_4_COMPONENT_NAME swizzle[4]; 108 D3D10_SB_OPERAND_MODIFIER modifier; 109 }; 110 111 #define SHADER_MAX_DST_OPERANDS 2 112 #define SHADER_MAX_SRC_OPERANDS 5 113 114 struct Shader_opcode { 115 D3D10_SB_OPCODE_TYPE type; 116 unsigned num_dst; 117 unsigned num_src; 118 struct Shader_dst_operand dst[SHADER_MAX_DST_OPERANDS]; 119 struct Shader_src_operand src[SHADER_MAX_SRC_OPERANDS]; 120 121 /* Opcode specific data. 122 */ 123 union { 124 D3D10_SB_RESOURCE_DIMENSION dcl_resource_dimension; 125 D3D10_SB_SAMPLER_MODE dcl_sampler_mode; 126 D3D10_SB_CONSTANT_BUFFER_ACCESS_PATTERN dcl_cb_access_pattern; 127 D3D10_SB_INTERPOLATION_MODE dcl_in_ps_interp; 128 D3D10_SB_PRIMITIVE_TOPOLOGY dcl_gs_output_primitive_topology; 129 D3D10_SB_PRIMITIVE dcl_gs_input_primitive; 130 D3D10_SB_INSTRUCTION_TEST_BOOLEAN test_boolean; 131 D3D10_SB_RESINFO_INSTRUCTION_RETURN_TYPE resinfo_ret_type; 132 unsigned dcl_max_output_vertex_count; 133 unsigned dcl_num_temps; 134 struct dx10_indexable_temp dcl_indexable_temp; 135 unsigned index_range_count; 136 struct dx10_global_flags global_flags; 137 } specific; 138 D3D10_SB_NAME dcl_siv_name; 139 D3D10_SB_RESOURCE_RETURN_TYPE dcl_resource_ret_type[4]; 140 141 boolean saturate; 142 143 struct { 144 int u:4; 145 int v:4; 146 int w:4; 147 } imm_texel_offset; 148 149 struct dx10_customdata customdata; 150 }; 151 152 struct Shader_parser { 153 const unsigned *code; 154 const unsigned *curr; 155 156 struct Shader_header header; 157 }; 158 159 void 160 Shader_parse_init(struct Shader_parser *parser, 161 const unsigned *code); 162 163 boolean 164 Shader_parse_opcode(struct Shader_parser *parser, 165 struct Shader_opcode *opcode); 166 167 void 168 Shader_opcode_free(struct Shader_opcode *opcode); 169 170 171 const struct tgsi_token * 172 Shader_tgsi_translate(const unsigned *code, 173 unsigned *output_mapping); 174 175 176 #ifdef __cplusplus 177 } 178 #endif 179 180 #endif /* SHADER_PARSE_H */ 181