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1 // Copyright (c) 2015-2016 The Khronos Group Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef SOURCE_TABLE_H_
16 #define SOURCE_TABLE_H_
17 
18 #include "source/extensions.h"
19 #include "source/latest_version_spirv_header.h"
20 #include "spirv-tools/libspirv.hpp"
21 
22 typedef struct spv_opcode_desc_t {
23   const char* name;
24   const spv::Op opcode;
25   const uint32_t numAliases;
26   const char** aliases;
27   const uint32_t numCapabilities;
28   const spv::Capability* capabilities;
29   // operandTypes[0..numTypes-1] describe logical operands for the instruction.
30   // The operand types include result id and result-type id, followed by
31   // the types of arguments.
32   const uint16_t numTypes;
33   spv_operand_type_t operandTypes[16];  // TODO: Smaller/larger?
34   const bool hasResult;  // Does the instruction have a result ID operand?
35   const bool hasType;    // Does the instruction have a type ID operand?
36   // A set of extensions that enable this feature. If empty then this operand
37   // value is in core and its availability is subject to minVersion. The
38   // assembler, binary parser, and disassembler ignore this rule, so you can
39   // freely process invalid modules.
40   const uint32_t numExtensions;
41   const spvtools::Extension* extensions;
42   // Minimal core SPIR-V version required for this feature, if without
43   // extensions. ~0u means reserved for future use. ~0u and non-empty extension
44   // lists means only available in extensions.
45   const uint32_t minVersion;
46   const uint32_t lastVersion;
47 } spv_opcode_desc_t;
48 
49 typedef struct spv_operand_desc_t {
50   const char* name;
51   const uint32_t value;
52   const uint32_t numAliases;
53   const char** aliases;
54   const uint32_t numCapabilities;
55   const spv::Capability* capabilities;
56   // A set of extensions that enable this feature. If empty then this operand
57   // value is in core and its availability is subject to minVersion. The
58   // assembler, binary parser, and disassembler ignore this rule, so you can
59   // freely process invalid modules.
60   const uint32_t numExtensions;
61   const spvtools::Extension* extensions;
62   const spv_operand_type_t operandTypes[16];  // TODO: Smaller/larger?
63   // Minimal core SPIR-V version required for this feature, if without
64   // extensions. ~0u means reserved for future use. ~0u and non-empty extension
65   // lists means only available in extensions.
66   const uint32_t minVersion;
67   const uint32_t lastVersion;
68 } spv_operand_desc_t;
69 
70 typedef struct spv_operand_desc_group_t {
71   const spv_operand_type_t type;
72   const uint32_t count;
73   const spv_operand_desc_t* entries;
74 } spv_operand_desc_group_t;
75 
76 typedef struct spv_ext_inst_desc_t {
77   const char* name;
78   const uint32_t ext_inst;
79   const uint32_t numCapabilities;
80   const spv::Capability* capabilities;
81   const spv_operand_type_t operandTypes[40];  // vksp needs at least 40
82 } spv_ext_inst_desc_t;
83 
84 typedef struct spv_ext_inst_group_t {
85   const spv_ext_inst_type_t type;
86   const uint32_t count;
87   const spv_ext_inst_desc_t* entries;
88 } spv_ext_inst_group_t;
89 
90 typedef struct spv_opcode_table_t {
91   const uint32_t count;
92   const spv_opcode_desc_t* entries;
93 } spv_opcode_table_t;
94 
95 typedef struct spv_operand_table_t {
96   const uint32_t count;
97   const spv_operand_desc_group_t* types;
98 } spv_operand_table_t;
99 
100 typedef struct spv_ext_inst_table_t {
101   const uint32_t count;
102   const spv_ext_inst_group_t* groups;
103 } spv_ext_inst_table_t;
104 
105 typedef const spv_opcode_desc_t* spv_opcode_desc;
106 typedef const spv_operand_desc_t* spv_operand_desc;
107 typedef const spv_ext_inst_desc_t* spv_ext_inst_desc;
108 
109 typedef const spv_opcode_table_t* spv_opcode_table;
110 typedef const spv_operand_table_t* spv_operand_table;
111 typedef const spv_ext_inst_table_t* spv_ext_inst_table;
112 
113 struct spv_context_t {
114   const spv_target_env target_env;
115   const spv_opcode_table opcode_table;
116   const spv_operand_table operand_table;
117   const spv_ext_inst_table ext_inst_table;
118   spvtools::MessageConsumer consumer;
119 };
120 
121 namespace spvtools {
122 
123 // Sets the message consumer to |consumer| in the given |context|. The original
124 // message consumer will be overwritten.
125 void SetContextMessageConsumer(spv_context context, MessageConsumer consumer);
126 }  // namespace spvtools
127 
128 // Populates *table with entries for env.
129 spv_result_t spvOpcodeTableGet(spv_opcode_table* table, spv_target_env env);
130 
131 // Populates *table with entries for env.
132 spv_result_t spvOperandTableGet(spv_operand_table* table, spv_target_env env);
133 
134 // Populates *table with entries for env.
135 spv_result_t spvExtInstTableGet(spv_ext_inst_table* table, spv_target_env env);
136 
137 #endif  // SOURCE_TABLE_H_
138