2 // Copyright (C) 2014-2016 LunarG, Inc.
3 // Copyright (C) 2018 Google, Inc.
5 // All rights reserved.
7 // Redistribution and use in source and binary forms, with or without
8 // modification, are permitted provided that the following conditions
11 // Redistributions of source code must retain the above copyright
12 // notice, this list of conditions and the following disclaimer.
14 // Redistributions in binary form must reproduce the above
15 // copyright notice, this list of conditions and the following
16 // disclaimer in the documentation and/or other materials provided
17 // with the distribution.
19 // Neither the name of 3Dlabs Inc. Ltd. nor the names of its
20 // contributors may be used to endorse or promote products derived
21 // from this software without specific prior written permission.
23 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
27 // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
28 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
29 // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
31 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
33 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 // POSSIBILITY OF SUCH DAMAGE.
37 // Call into SPIRV-Tools to disassemble, validate, and optimize.
41 #ifndef GLSLANG_SPV_TOOLS_H
42 #define GLSLANG_SPV_TOOLS_H
47 #include "spirv-tools/libspirv.h"
50 #include "glslang/MachineIndependent/localintermediate.h"
56 bool generateDebugInfo {false};
57 bool stripDebugInfo {false};
58 bool disableOptimizer {true};
59 bool optimizeSize {false};
60 bool disassemble {false};
61 bool validate {false};
62 bool emitNonSemanticShaderDebugInfo {false};
63 bool emitNonSemanticShaderDebugSource{ false };
64 bool compileOnly{false};
69 // Translate glslang's view of target versioning to what SPIRV-Tools uses.
70 spv_target_env MapToSpirvToolsEnv(const SpvVersion& spvVersion, spv::SpvBuildLogger* logger);
72 // Use the SPIRV-Tools disassembler to print SPIR-V using a SPV_ENV_UNIVERSAL_1_3 environment.
73 void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv);
75 // Use the SPIRV-Tools disassembler to print SPIR-V with a provided SPIR-V environment.
76 void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv,
77 spv_target_env requested_context);
79 // Apply the SPIRV-Tools validator to generated SPIR-V.
80 void SpirvToolsValidate(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv,
81 spv::SpvBuildLogger*, bool prelegalization);
83 // Apply the SPIRV-Tools optimizer to generated SPIR-V. HLSL SPIR-V is legalized in the process.
84 void SpirvToolsTransform(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv,
85 spv::SpvBuildLogger*, const SpvOptions*);
87 // Apply the SPIRV-Tools EliminateDeadInputComponents pass to generated SPIR-V. Put result in |spirv|.
88 void SpirvToolsEliminateDeadInputComponents(spv_target_env target_env, std::vector<unsigned int>& spirv,
89 spv::SpvBuildLogger*);
91 // Apply the SPIRV-Tools AnalyzeDeadOutputStores pass to generated SPIR-V. Put result in |live_locs|.
92 // Return true if the result is valid.
93 bool SpirvToolsAnalyzeDeadOutputStores(spv_target_env target_env, std::vector<unsigned int>& spirv,
94 std::unordered_set<uint32_t>* live_locs,
95 std::unordered_set<uint32_t>* live_builtins, spv::SpvBuildLogger*);
97 // Apply the SPIRV-Tools EliminateDeadOutputStores and AggressiveDeadCodeElimination passes to generated SPIR-V using
98 // |live_locs|. Put result in |spirv|.
99 void SpirvToolsEliminateDeadOutputStores(spv_target_env target_env, std::vector<unsigned int>& spirv,
100 std::unordered_set<uint32_t>* live_locs,
101 std::unordered_set<uint32_t>* live_builtins, spv::SpvBuildLogger*);
103 // Apply the SPIRV-Tools optimizer to strip debug info from SPIR-V. This is implicitly done by
104 // SpirvToolsTransform if spvOptions->stripDebugInfo is set, but can be called separately if
105 // optimization is disabled.
106 void SpirvToolsStripDebugInfo(const glslang::TIntermediate& intermediate,
107 std::vector<unsigned int>& spirv, spv::SpvBuildLogger*);
111 } // end namespace glslang
113 #endif // GLSLANG_SPV_TOOLS_H