1 // 2 // Copyright (C) 2014-2016 LunarG, Inc. 3 // Copyright (C) 2018 Google, Inc. 4 // 5 // All rights reserved. 6 // 7 // Redistribution and use in source and binary forms, with or without 8 // modification, are permitted provided that the following conditions 9 // are met: 10 // 11 // Redistributions of source code must retain the above copyright 12 // notice, this list of conditions and the following disclaimer. 13 // 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. 18 // 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. 22 // 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. 35 36 // 37 // Call into SPIRV-Tools to disassemble, validate, and optimize. 38 // 39 40 #pragma once 41 #ifndef GLSLANG_SPV_TOOLS_H 42 #define GLSLANG_SPV_TOOLS_H 43 44 #if ENABLE_OPT 45 #include <vector> 46 #include <ostream> 47 #include "spirv-tools/libspirv.h" 48 #endif 49 50 #include "glslang/MachineIndependent/localintermediate.h" 51 #include "GlslangToSpv.h" 52 #include "Logger.h" 53 54 namespace glslang { 55 56 #if ENABLE_OPT 57 58 // Translate glslang's view of target versioning to what SPIRV-Tools uses. 59 spv_target_env MapToSpirvToolsEnv(const SpvVersion& spvVersion, spv::SpvBuildLogger* logger); 60 61 // Use the SPIRV-Tools disassembler to print SPIR-V using a SPV_ENV_UNIVERSAL_1_3 environment. 62 void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv); 63 64 // Use the SPIRV-Tools disassembler to print SPIR-V with a provided SPIR-V environment. 65 void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv, 66 spv_target_env requested_context); 67 68 // Apply the SPIRV-Tools validator to generated SPIR-V. 69 void SpirvToolsValidate(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv, 70 spv::SpvBuildLogger*, bool prelegalization); 71 72 // Apply the SPIRV-Tools optimizer to generated SPIR-V. HLSL SPIR-V is legalized in the process. 73 void SpirvToolsTransform(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv, 74 spv::SpvBuildLogger*, const SpvOptions*); 75 76 // Apply the SPIRV-Tools EliminateDeadInputComponents pass to generated SPIR-V. Put result in |spirv|. 77 void SpirvToolsEliminateDeadInputComponents(spv_target_env target_env, std::vector<unsigned int>& spirv, 78 spv::SpvBuildLogger*); 79 80 // Apply the SPIRV-Tools AnalyzeDeadOutputStores pass to generated SPIR-V. Put result in |live_locs|. 81 // Return true if the result is valid. 82 bool SpirvToolsAnalyzeDeadOutputStores(spv_target_env target_env, std::vector<unsigned int>& spirv, 83 std::unordered_set<uint32_t>* live_locs, 84 std::unordered_set<uint32_t>* live_builtins, spv::SpvBuildLogger*); 85 86 // Apply the SPIRV-Tools EliminateDeadOutputStores and AggressiveDeadCodeElimination passes to generated SPIR-V using 87 // |live_locs|. Put result in |spirv|. 88 void SpirvToolsEliminateDeadOutputStores(spv_target_env target_env, std::vector<unsigned int>& spirv, 89 std::unordered_set<uint32_t>* live_locs, 90 std::unordered_set<uint32_t>* live_builtins, spv::SpvBuildLogger*); 91 92 // Apply the SPIRV-Tools optimizer to strip debug info from SPIR-V. This is implicitly done by 93 // SpirvToolsTransform if spvOptions->stripDebugInfo is set, but can be called separately if 94 // optimization is disabled. 95 void SpirvToolsStripDebugInfo(const glslang::TIntermediate& intermediate, 96 std::vector<unsigned int>& spirv, spv::SpvBuildLogger*); 97 98 #endif 99 100 } // end namespace glslang 101 102 #endif // GLSLANG_SPV_TOOLS_H 103