mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-26 05:10:05 +00:00
246 lines
11 KiB
Plaintext
246 lines
11 KiB
Plaintext
Revision history for SPIRV-Tools
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v2017.1 2017-11-23
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- Update README with details on the public_spirv_tools_dev@khronos.org mailing list.
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- General:
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- Automatically deploy built artifacts to GitHub Releases
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- Add a Linker (module combiner). Under development.
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- Add Android.mk for Android NDK builds.
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- Add the 'effcee' library as an optional dependency for use in tests.
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Eventually it will be a required dependency, once downstream projects have
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a chance to adjust. Requires 're2' library.
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- Avoid static-duration variables of class type (with constructors).
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- Hack around bugs in gcc-4.8.1 template handling
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- Faster opcode lookup
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- Validator:
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- Recognize extensions listed on SPIR-V registry,
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through #25 SPV_AMD_shader_fragment_mask
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- Validator issues an info message when it sees an unrecognized extension.
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- Type check basic arithmetic operations
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- Type check carry/extended arithmetic operations
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- Type check vector arithmetic operations
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- Type check Relational and Logical instructions
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- Type check Bit instructions
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- Check type uniqueness rules
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- Check conversion instructions
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- Check image instructions
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- Check derivative instructions
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- Check OpVectorShuffle
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- Check OpBranchConditional
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- OpModuleProcessed is only allowed after debug names section and before annotations
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section.
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- Checks the right kind of return is called for each function (void or non-void).
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- Add option to relax type check when storing structs (--relax-store-struct)
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- Optimizer:
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- Refactoring internal representation of the module, including:
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- IRContext: owns a module and manages analyses
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- Instructions are owned by intrusive lists, and have unique IDs
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- BasicBlock owns its instruction list.
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- DefUseManager: change representation of uses, for faster processing
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on large modules.
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- Add high level recipes: -O, -Os, and -Oconfig
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Recipes for -O and -Os are under development.
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- Add eliminate-dead-function transform
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- Add strength reduction transform: For now, convert multiply by power of 2
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to a bit shift.
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- Add CFG cleanup transform
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- Add removal of dead module-scope variables
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- Add merge-return transform for modules without structured control flow
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- Add redundancy elimination within a basic block (local value numbering)
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- Extract-insert elimination:
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- Recognize the case where the first instruction in the sequence is an
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OpCompositeConstruct or OpConstantComposite
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- Handle some cases of nested structs
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- Dead branch elimination now can eliminate entire selection constructs
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when all arms are dead.
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- Compressing codec:
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- Updated algorithm to 1.01, 1.02, 1.03
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- Not built by default. Use -DSPIRV_BUILD_COMPRESSION=ON to build.
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- Codec can be parameterized by a customized model.
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- Fixes:
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#728: Fix decoration of inlined functions
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#798: spirv-as should fail when given unrecognized long option
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#800: Inliner: Fix inlining function into header of multi-block loop
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#824: Eliminate-local-multi-store: Fix a crash
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#826: Elimiante-local-multi-store: Fix a crash
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#827: Fix crash when compact-ids transform runs before another transform.
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#834: Add Cmake option to build the compressing codec. Off by default.
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#911: Fix classification of Line and NoLine instructions
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v2017.0 2017-09-01
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- Update README to describe that assembler, disassembler, and binary parser support
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are based on grammar files from the SPIRV-Headers repository.
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v2016.7 2017-09-01
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- Add SPIR-V 1.2
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- OpenCL 2.2 support is now based on SPIR-V 1.2
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- Support AMD extensions in assembler, disassembler:
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SPV_AMD_gcn_shader
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SPV_AMD_shader_ballot
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SPV_AMD_shader_explicit_vertex_parameter
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SPV_AMD_shader_trinary_minmax
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SPV_AMD_gpu_shader_half_float
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SPV_AMD_texture_gather_bias_lod
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SPV_AMD_gpu_shader_int16
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- Optimizer: Add support for:
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- Inline all function calls in entry points.
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- Flatten decoration groups. Fixes #602
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- Id compaction (minimize Id bound). Fixes #624
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- Eliminate redundant composite insert followed by extract
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- Simplify access chains to local variables
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- Eliminate local variables with a single store, if possible
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- Eliminate local variables with a several stores, if possible
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- Eliminate loads and stores in same block to local variables
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- Eliminate redundant insert/extract to composite values
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- Aggressive dead instruction elimination
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- Eliminate dead branches
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- Merge blocks when the second can only be preceded by the first
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- Eliminate ommon uniform loads
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- Assembler: Add option to preserve numeric ids. Fixes #625
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- Add build target spirv-tools-vimsyntax to generate spvasm.vim, a SPIR-V
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assembly syntax file for Vim.
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- Version string: Allow overriding of wall clock timestamp with contents
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of environment variable SOURCE_DATE_EPOCH.
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- Validator implements relaxed rules for SPV_KHR_16bit_storage.
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- CMake installation rules use GNUInstallDirs. For example, libraries
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will be installed into a lib64 directory if that's the norm for the
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current system.
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- Fixes:
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#500: Parameterize validator limit checks
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#508: Support compilation under CYGWIN
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#517: Fix validation when continue (or case) contstruct is also the head of a
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nested control construct.
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#551: If a merge block is reachable, it must be *strictly* dominated by its
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header.
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#548: Validator: Error when the reserved OpImageSparseSampleProj* opcodes
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are used.
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#611: spvtools::Optimizer was failing to save the module to the output
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binary vector when all passes succeded without changes.
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#629: The inline-entry-points-all optimization could generate invalidly
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structured code when the inlined function had early returns.
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#697: Optimizer's Instruction::ForEachInId method was skipping semantics-id
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and scope-id.
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#755: Inliner: Fix inlining of callee with single Return appearing before
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the end of the function.
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#776: Fix dead branch elimination in presence of complex but dead control
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flow.
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#781: SPV_KHR_variable_pointers allows duplicate pointer types
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#782: Inliner: Fix remapping of non-label forward references in callee
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#787: Inliner: Fix remapping of inlined entry block when called from
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single block loop.
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#790: Inliner: Fix remapping of inlined entry block when callee has
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multiple returns.
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v2016.6 2016-12-13
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- Published the C++ interface for assembling, disassembling, validation, and
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optimization.
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- Support SPV_KHR_shader_draw_parameters in assembler, disassembler, parser.
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- Validator:
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- Add validator API accepting raw binary words
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- Increased coverage:
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- Checks "Data rules" in Universal Validation Rules, section 2.16.1
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- WIP: Universal Limits.
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- The minimum mandated upper bounds are checked.
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- TODO: Parameterize the validator to allow larger limits accepted by
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a more than minimally capable implementation.
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- OpSampledImage checks
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- OpConstantComposite checks
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- Id bound check
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- Disasssembler:
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- Generates friendly GLSL-based names for more builtin variables
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- Generates friendly names for numeric OpConstant values
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- Vendor tool info extracted from SPIR-V XML registry file.
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- Fixes issues:
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#429: Validator: Allow OpTypeForwardPointer and OpTypeStruct to reference
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undefined IDs
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#482: Validator: OpVariable initializer can be an ID of a module-scope variable
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v2016.5 2016-09-16
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- Support SPV_KHR_shader_ballot in assembler, disassembler, parser.
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- Disassembler: Generate friendly names for built-in variables.
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- Partial fixes:
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#359: Add Emacs helper for automatically diassembling/assembling a SPIR-V
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binary on file load/save.
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- Fixes:
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#414: Validator: Allow OpUndef for composite constants
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#415: Validator: Phi can use its own value in some cases.
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v2016.4 2016-09-01
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- Relicensed under Apache 2.0
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- Add optimization passes (in API and spirv-opt command)
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- Fold spec constants defined with OpSpecConstantOp and
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OpSpecConstantComposite to normal constants with fixed value(s).
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- Fixes issues:
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#318: Relicensed under Apache 2.0
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v2016.3 2016-08-24
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- Add target environment enums for OpenCL 2.1, OpenCL 2.2,
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OpenGL 4.0, OpenGL 4.1, OpenGL 4.2, OpenGL 4.3, OpenGL 4.5.
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- Add spirv-cfg, an experimental tool to dump the control flow graph
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as a GraphiViz "dot" graph
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- Add optimization pass: Eliminate dead constants.
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- Add spirv-lesspipe.sh filter utility
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- Fixes issues:
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#288: Check def-use dominance rules for OpPhi (variable,parent) operands
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#339: Allow OpUndef in types-constants-global-vars section, as required
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by SPIR-V 1.0 Rev7, 1.1 Rev 3.
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#340: Avoid race on mkdir during build
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#365: Relax PointSize, ClipDistance, CullDistance capability check in all
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environments not just Vulkan 1.0.
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v2016.2 2016-08-05
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- Validator is incomplete
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- Checks ID use block is dominated by definition block
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- Add optimization passes (in API and spirv-opt command)
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- Strip debug info instructions
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- Freeze spec constant to their default values
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- Allow INotEqual as operation for OpSpecConstantOp
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- Fixes bugs:
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#270: validator: crash when continue construct is unreachable
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#279: validator: infinite loop when analyzing some degenerate control
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flow graphs
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#286: validator: don't incorrectly generate def-use error for
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(variable,parent) parameters to OpPhi
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#290: disassembler: never generate bare % for an identifier
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#295: validator: def-use dominance check should ignore unreachable uses
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#276: validator: allow unreachable continue constructs
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#297: validator: allow an unreachable block to branch to a reachable
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merge block
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v2016.1 2016-07-19
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- Fix https://github.com/KhronosGroup/SPIRV-Tools/issues/261
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Turn off ClipDistance and CullDistance capability checks for Vulkan.
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- The disassembler can emit friendly names based on debug info (OpName
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instructions), and will infer somewhat friendly names for most types.
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This is turned on by default for the spirv-dis command line tool.
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- Updated to support SPIR-V 1.1 rev 2
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- Input StorageClass, Sampled1D capability, and SampledBuffer capability
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do not require Shader capability anymore.
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v2016.0 2016-07-04
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- Adds v<year>.<index> versioning, with "-dev" indicating
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work in progress. The intent is to more easly report
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and summarize functionality when SPIRV-Tools is incorporated
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in downstream projects.
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- Summary of functionality (See the README.md for more):
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- Supports SPIR-V 1.1 Rev 1
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- Supports SPIR-V 1.0 Rev 5
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- Supports GLSL std450 extended instructions 1.0 Rev 3
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- Supports OpenCL extended instructions 1.0 Rev 2
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- Assembler, disassembler are complete
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- Supports floating point widths of 16, 32, 64 bits
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- Supports integer widths up to 64 bits
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- Validator is incomplete
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- Checks capability requirements in most cases
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- Checks module layout constraints
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- Checks ID use-definition ordering constraints,
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ignoring control flow
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- Checks some control flow graph rules
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- Optimizer is introduced, with few available transforms.
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- Supported on Linux, OSX, Android, Windows
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- Fixes bugs:
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- #143: OpenCL pow and pown arguments
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