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SPIRV-Tools/CHANGES

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Add CHANGES file with high level software history Add a high level version number for SPIRV-Tools, beginning with v2016.0-dev. The README describes the format of the version number. The high level version number is extracted from the CHANGES file. That works around: - stale-bait for when we don't add tags to the repository - our inability to add tags to the repository Option --version causes spirv-as, spirv-dis, and spirv-val to show the high level version number. Add spvSoftwareVersionString to return the C-string for the high level version number. Add spvSoftwareVersionDetailsString() so that clients can get more information if they want to. Also allows us to clean up the uses in the tool executables files, so now only one file includes build-version.inc. Move the update-build-version logic to the only CMakeLists file that needs it. The update build version script takes a new argument to name the output file.
2016-04-22 00:50:11 +00:00
Revision history for SPIRV-Tools
Start v2016.4-dev
2016-08-24 15:18:16 +00:00
v2016.4-dev 2016-08-24
Fold spec constants to normal constants (values fixed) For the spec constants defined by OpSpecConstantOp and OpSpecContantComposite, if all of their operands are constants with determined values (normal constants whose values are fixed), calculate the correct values of the spec constants and re-define them as normal constants. In short, this pass replaces all the spec constants defined by OpSpecContantOp and OpSpecConstantComposite with normal constants when possible. So far not all valid operations of OpSpecConstantOp are supported, we have several constriction here: 1) Only 32-bit integer and boolean (both scalar and vector) are supported for any arithmetic operations. Integers in other width (like 64-bit) are not supported. 2) OpSConvert, OpFConvert, OpQuantizeToF16, and all the operations under Kernel capability, are not supported. 3) OpCompositeInsert is not supported. Note that this pass does not unify normal constants. This means it is possible to have new generatd constants defining the same values.
2016-08-04 17:24:08 +00:00
- Add optimization passes (in API and spirv-opt command)
- Fold spec constants defined with OpSpecConstantOp and
OpSpecConstantComposite to normal constants with fixed value(s).
Start v2016.4-dev
2016-08-24 15:18:16 +00:00
Finalize v2016.3
2016-08-24 15:17:07 +00:00
v2016.3 2016-08-24
Add target envs for OpenCL, OpenGL Covers: OpenCL 2.1, OpenCL 2.2 Covers: OpenGL 4.0, OpenGL 4.1, OpenGL 4.2, OpenGL 4.3, OpenGL 4.5. The OpenGL environments assume the use of GL_ARB_gl_spirv, of course.
2016-08-05 22:19:30 +00:00
- Add target environment enums for OpenCL 2.1, OpenCL 2.2,
OpenGL 4.0, OpenGL 4.1, OpenGL 4.2, OpenGL 4.3, OpenGL 4.5.
Add spirv-cfg to dump a GraphViz graph of the CFG This is experimental, and has not tests. It's been used to debug validation of structured control flow. - Has a legend describing special arcs to merge blocks and continue targets. - Labels the function entry block, with the Id of the function.
2016-08-03 15:55:14 +00:00
- Add spirv-cfg, an experimental tool to dump the control flow graph
as a GraphiViz "dot" graph
- Add optimization pass: Eliminate dead constants.
Add spirv-lesspipe.sh Idea suggested by @steve-lunarg in issue 359.
2016-08-22 15:38:18 +00:00
- Add spirv-lesspipe.sh filter utility
Add back the missing msg about --eliminate-dead-const
2016-08-10 20:02:18 +00:00
- Fixes issues:
Update CHANGES to say issue 288 is fixed
2016-08-10 14:40:59 +00:00
#288: Check def-use dominance rules for OpPhi (variable,parent) operands
Finalize v2016.3
2016-08-24 15:17:07 +00:00
#339: Allow OpUndef in types-constants-global-vars section, as required
by SPIR-V 1.0 Rev7, 1.1 Rev 3.
Avoid race on mkdir Should fix https://github.com/KhronosGroup/SPIRV-Tools/issues/340
2016-08-12 18:19:17 +00:00
#340: Avoid race on mkdir during build
Mere mention of PointSize BuiltIn does not require Shader capability Fixes https://github.com/KhronosGroup/SPIRV-Tools/issues/365 which was reopened for this.
2016-08-24 13:47:49 +00:00
#365: Relax PointSize, ClipDistance, CullDistance capability check in all
environments not just Vulkan 1.0.
Start v2016.3-dev
2016-08-05 21:10:36 +00:00
Finalize v2016.2 Document recently fixed bugs.
2016-08-05 21:07:34 +00:00
v2016.2 2016-08-05
Check definitions appear in dominator of use Also address use and def of ID in same instruction
2016-07-13 22:57:52 +00:00
- Validator is incomplete
- Checks ID use block is dominated by definition block
Fix infinite loop in dominance calculation. Ensure the dominance calculation visits all nodes in the CFG. The successor list of the pseudo-entry node is augmented with a single node in each cycle that otherwise would not be visited. Similarly, the predecssors list of the pseduo-exit node is augmented with the a single node in each cycle that otherwise would not be visited. Pulls DepthFirstSearch out so it's accessible outside of the dominator calculation. Fixes https://github.com/KhronosGroup/SPIRV-Tools/issues/279
2016-07-27 21:02:22 +00:00
- Add optimization passes (in API and spirv-opt command)
Freeze spec constants to their default values Add a pass to freeze spec constants to their default values. This pass does not fold the frozen spec constants and does not handle SpecConstantOp instructions and SpecConstantComposite instructions.
2016-07-26 16:11:03 +00:00
- Strip debug info instructions
- Freeze spec constant to their default values
Finalize v2016.2 Document recently fixed bugs.
2016-08-05 21:07:34 +00:00
- Allow INotEqual as operation for OpSpecConstantOp
Fix infinite loop in dominance calculation. Ensure the dominance calculation visits all nodes in the CFG. The successor list of the pseudo-entry node is augmented with a single node in each cycle that otherwise would not be visited. Similarly, the predecssors list of the pseduo-exit node is augmented with the a single node in each cycle that otherwise would not be visited. Pulls DepthFirstSearch out so it's accessible outside of the dominator calculation. Fixes https://github.com/KhronosGroup/SPIRV-Tools/issues/279
2016-07-27 21:02:22 +00:00
- Fixes bugs:
#270: validator: crash when continue construct is unreachable
#279: validator: infinite loop when analyzing some degenerate control
flow graphs
Finalize v2016.2 Document recently fixed bugs.
2016-08-05 21:07:34 +00:00
#286: validator: don't incorrectly generate def-use error for
(variable,parent) parameters to OpPhi
Never generate % for a friendly disassembled Id Fixes https://github.com/KhronosGroup/SPIRV-Tools/issues/290
2016-08-02 15:59:10 +00:00
#290: disassembler: never generate bare % for an identifier
Only check def dominance of reachable uses Fixes https://github.com/KhronosGroup/SPIRV-Tools/issues/295
2016-08-04 18:57:09 +00:00
#295: validator: def-use dominance check should ignore unreachable uses
Finalize v2016.2 Document recently fixed bugs.
2016-08-05 21:07:34 +00:00
#276: validator: allow unreachable continue constructs
#297: validator: allow an unreachable block to branch to a reachable
merge block
Start v2016.2.
2016-07-19 19:04:43 +00:00
Finalize v2016.1.
2016-07-19 19:03:52 +00:00
v2016.1 2016-07-19
Turn off ClipDistance CullDistance cap checks for Vulkan Turn them off until resolution of the debate over how they should be checked. Fixes https://github.com/KhronosGroup/SPIRV-Tools/issues/261
2016-07-07 21:03:22 +00:00
- Fix https://github.com/KhronosGroup/SPIRV-Tools/issues/261
Turn off ClipDistance and CullDistance capability checks for Vulkan.
Disassembling: map IDs to friendly names. Add a FriendlyNameMapper to deduce friendly names for IDs based on OpName, type structure, etc.
2016-07-08 18:29:52 +00:00
- The disassembler can emit friendly names based on debug info (OpName
instructions), and will infer somewhat friendly names for most types.
This is turned on by default for the spirv-dis command line tool.
Finalize v2016.1.
2016-07-19 19:03:52 +00:00
- Updated to support SPIR-V 1.1 rev 2
- Input StorageClass, Sampled1D capability, and SampledBuffer capability
do not require Shader capability anymore.
Start v2016.1-dev
2016-07-04 19:13:08 +00:00
Finalize v2016.0
2016-06-02 19:29:13 +00:00
v2016.0 2016-07-04
Add CHANGES file with high level software history Add a high level version number for SPIRV-Tools, beginning with v2016.0-dev. The README describes the format of the version number. The high level version number is extracted from the CHANGES file. That works around: - stale-bait for when we don't add tags to the repository - our inability to add tags to the repository Option --version causes spirv-as, spirv-dis, and spirv-val to show the high level version number. Add spvSoftwareVersionString to return the C-string for the high level version number. Add spvSoftwareVersionDetailsString() so that clients can get more information if they want to. Also allows us to clean up the uses in the tool executables files, so now only one file includes build-version.inc. Move the update-build-version logic to the only CMakeLists file that needs it. The update build version script takes a new argument to name the output file.
2016-04-22 00:50:11 +00:00
- Adds v<year>.<index> versioning, with "-dev" indicating
work in progress. The intent is to more easly report
and summarize functionality when SPIRV-Tools is incorporated
in downstream projects.
- Summary of functionality (See the README.md for more):
- Supports SPIR-V 1.1 Rev 1
- Supports SPIR-V 1.0 Rev 5
- Supports GLSL std450 extended instructions 1.0 Rev 3
- Supports OpenCL extended instructions 1.0 Rev 2
- Assembler, disassembler are complete
- Supports floating point widths of 16, 32, 64 bits
- Supports integer widths up to 64 bits
- Validator is incomplete
Finalize v2016.0
2016-06-02 19:29:13 +00:00
- Checks capability requirements in most cases
- Checks module layout constraints
- Checks ID use-definition ordering constraints,
ignoring control flow
- Checks some control flow graph rules
- Optimizer is introduced, with few available transforms.
Add CHANGES file with high level software history Add a high level version number for SPIRV-Tools, beginning with v2016.0-dev. The README describes the format of the version number. The high level version number is extracted from the CHANGES file. That works around: - stale-bait for when we don't add tags to the repository - our inability to add tags to the repository Option --version causes spirv-as, spirv-dis, and spirv-val to show the high level version number. Add spvSoftwareVersionString to return the C-string for the high level version number. Add spvSoftwareVersionDetailsString() so that clients can get more information if they want to. Also allows us to clean up the uses in the tool executables files, so now only one file includes build-version.inc. Move the update-build-version logic to the only CMakeLists file that needs it. The update build version script takes a new argument to name the output file.
2016-04-22 00:50:11 +00:00
- Supported on Linux, OSX, Android, Windows
Fix OpenCL pow and pown arguments Spec fix appeared in SPIR-V 1.0 Rev 2: https://www.khronos.org/registry/spir-v/specs/1.0/OpenCL.ExtendedInstructionSet.100.html#_changes_from_version_1_0_revision_1 Fixes https://github.com/KhronosGroup/SPIRV-Tools/issues/143
2016-06-14 15:45:35 +00:00
- Fixes bugs:
- #143: OpenCL pow and pown arguments
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