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54 Commits

Author SHA1 Message Date
Marius Hillenbrand
78ce7e567f Fix encoding/decoding of string literals for big-endian systems 
Per SPIR-V spec, a string literal's UTF-8 octets are encoded packed into
words with little-endian convention. Explicitly perform that encoding
instead of assuming that the host system is little-endian.

Note that this change requires corresponding fixes in SPIRV-Tools.

Fixes #202
 2021-11-08 14:12:01 +01:00
Jesse Hall
74e8f05b9f
Implement GL_EXT_terminate_invocation (#2454) 
* Implement GL_EXT_terminate_invocation.

* terminateInvocation: declare the SPV extension

* Update test results for spirv-tools and bison version bumps

Co-authored-by: John Kessenich <cepheus@frii.com>
 2020-11-09 09:30:01 -07:00
Rémi Verschelde
69d0c1acc2
Remove executable bits from code/data files (#2420) 2020-10-12 10:08:47 -06:00
John Kessenich
435dd8028b SPV: RelaxedPrecision: Generalize fix #2293 to cover more operations. 
This simplifies and enforces use of precision in many more places,
to help avoid accidental loss of RelaxedPrecision through intermediate
operations. Known fixes are:
- ?:
- function return values with mis-matched precision
- precision of function return values when a copy was needed to fix types
 2020-06-30 02:44:52 -06:00
John Kessenich
4df10335e6 SPV: Partially address #2293: correct "const in" precision matching. 
Track whether formal parameters declare reduced precision and match
that with arguments, and if they differ, make a copy to promote the
precision.
 2020-06-26 08:37:06 -06:00
John Kessenich
1fff362355 Build warning: Fix #2167: Remove nested reuse of 'unreachable'. 2020-04-01 00:46:57 -06:00
Ryan Harrison
0552c0acc8 Remove std::move that is breaking chromium roll 
This is causing the following error:

moving a temporary object prevents copy elision
[-Werror,-Wpessimizing-move]
 2019-11-04 16:23:11 -05:00
John Kessenich
31c3370d83 Bump up the generator version, which is exposed in SPV test results. 2019-11-02 21:26:40 -06:00
David Neto
8c3d5b4b6c SPIR-V: Aggressively prune unreachable merge, continue target 
More aggressively prune unreachable code as follows.
When no control flow edges reach a merge block or continue target:
- delete their contents so that:
  - a merge block becomes OpLabel, then OpUnreachable
  - a continue target becomes OpLabel, then an OpBranch back to the
    loop header
- any basic block which is dominated by such a merge block or continue
  target is removed as well.
- decorations targeting the removed instructions are removed.

Enables the SPIR-V builder post-processing step the GLSLANG_WEB case.
 2019-10-29 15:33:54 -04:00
Shahbaz Youssefi
6cca0e983e Remove extraneous semicolons 
They cause a warning (-Wextra-semi) that can lead to a compile error
(-Werror).
 2019-06-25 13:20:16 -04:00
Jeff Bolz
4605e2ed2b Implement GL_NV_cooperative_matrix 2019-02-25 23:42:59 -06:00
Jeff Bolz
9f2aec49e9 GL_EXT_buffer_reference 2019-01-07 12:36:13 -06:00
John Kessenich
b23d232ec5 Licensing. Fixes #958. Add licenes file and update copyrights. 2018-12-14 10:47:35 -07:00
John Kessenich
97068d8b30
Merge pull request #1465 from otakuto/remove-execute-permissions 
Remove execute permissions
 2018-08-31 08:14:47 -07:00
John Kessenich
31aa3d6019 SPV: only declare the pure 8/16-bit capabilities when needed. 
Only when operations stray outside the 8/16-bit storage-capabilities
are the general (pure 8/16-bit) capabilities needed.
 2018-08-16 15:54:21 -06:00
John Kessenich
149afc3930 SPV: More corrections of <id> versus "immediate" operands. 2018-08-14 13:31:43 -06:00
John Kessenich
228e964bcc SPV: Correct SPIR-V operands for <id> versus immediate. 2018-08-13 21:37:59 -06:00
otakuto
d03da06ac1 Remove execute permissions 2018-08-07 03:16:20 +09:00
John Kessenich
d3ed90be3a Fix #944: Convert argument type to match formal parameter type. 2018-05-04 11:43:03 -06:00
John Kessenich
2505057af8 SPV: Memory model: Reduce set of memory-semantic bits requested for "all". 2017-12-16 00:34:08 -07:00
John Kessenich
8297936dd6 SPV: Change barrier emission to conform to Khronos decisions. 
The memory model group agreed to these definitions for how
to map GLSL barrier, memoryBarrier, etc. With HLSL following suit.
 2017-12-16 00:30:10 -07:00
LoopDawg
2baa774259 Linux build warning fix 
* Remove complaint about unused function parameter in resolveUniformLocation()
* Remove complaint about defined but not used variable in spvIR.h
 2017-08-31 18:09:58 -06:00
John Kessenich
121853f4df SPV: Add OpSource shader source code and file name. 2017-05-31 17:14:15 -06:00
John Kessenich
3778979cd4 HLSL: non-static member functions: track and find active anonymous 'this' scopes and members. 
Thanks to @steve-lunarg for his input and discussions on handling member functions.
 2017-03-21 23:56:40 -06:00
John Kessenich
927608b393 Non-functional: White space after "//", mostly for copyrights. 2017-01-06 12:34:14 -07:00
John Kessenich
ecba76fe73 Non-Functional: Whitespace, comments, replace accidentally deleted comment. 
- fixed ParseHelper.cpp newlines (crlf -> lf)
- removed trailing white space in most source files
- fix some spelling issues
- extra blank lines
- tabs to spaces
- replace #include comment about no location
 2017-01-06 11:24:14 -07:00
John Kessenich
4016e38bea Build: Switch to Rev. 6 of headers, removing "BadValue" enum stuff. 
Note: Technically, this is glslang's modified private copy of official headers.
Official headers will appear in other places, like
https://github.com/KhronosGroup/SPIRV-Headers.
 2016-07-15 11:55:34 -06:00
John Kessenich
c51287d744 SPV: Update to spec. decisions (and issue #205) for barrier(). 
A barrier (ESSL/GLSL) or OpControlBarrier when in a tessellation control
shader also means doing memory synchronization for output variables.
 2016-06-14 19:50:26 -06:00
John Kessenich
d3d3ce7160 Comments only. 2016-05-06 13:06:11 -06:00
qining
da39733f28 Remove decoration of undefined IDs 
Fix issue #185 by removing OpDecorate instructions whose target IDs are
defined in unreachable blocks and thus not dumped in the generated
SPIR-V code.
 2016-03-09 19:54:03 -05:00
John Kessenich
4889167430 SPV: Use a more accurate MemorySemanticsAllMemory mask. 2016-01-22 10:15:03 -07:00
Dejan Mircevski
ed55bcd9f8 Don't remove SPIR-V blocks before codegen. 
A removed block releases its instructions, so Module::idToInstruction
suddenly contains dangling references.  The original motivation for
block removal was to skip some unreachable blocks, but that's already
achieved by InReadableOrder.cpp.

Also updated stale comments.
 2016-01-19 21:18:14 -05:00
Dejan Mircevski
e7f6cac1bd Merge branch 'topo' into loopgen-after-readable-order 2016-01-19 16:47:41 -05:00
Dejan Mircevski
34bc6c3896 Explicitly initialize Instruction::block. 2016-01-19 14:08:32 -05:00
Dejan Mircevski
fa242904b0 Make Instruction::getBlock() const. 2016-01-19 11:31:55 -05:00
Dejan Mircevski
377f0cab26 Fix merge issues. 2016-01-19 10:17:33 -05:00
Dejan Mircevski
38d039d063 Rework inReadableOrder() as a recursive descent. 
Add a test for unreachable merge block.

Update test results with the new order: mainly delaying merge blocks and
removing unreachable ones.
 2016-01-19 10:14:50 -05:00
Dejan Mircevski
44bfb0d0cd Implement inReadableOrder(). 2016-01-19 10:11:34 -05:00
Dejan Mircevski
5fe789b4af Add Block::successors. 2016-01-19 10:10:15 -05:00
Andrew Woloszyn
b7946d16bb Free memory associated with SPIR-V generation. 2016-01-18 10:29:41 -05:00
Dejan Mircevski
dba2826328 Merge branch 'master' of github.com:google/glslang into loopgen 
Change-Id: Ie8236430bb9e30a9be2e0c1573c42183c2f4d0d4
 2016-01-11 16:26:18 -05:00
Dejan Mircevski
e537b8b488 Fix unreachable-block removal. 
Add a test for loop without a condition.

Change-Id: Idd7fc462218a84b1e745207e2975a3f2897d30a0
 2016-01-10 19:37:00 -05:00
John Kessenich
e00e72ded1 SPV: Protect getStorageClass() with a test that the thing is pointer. 2015-12-08 20:48:49 -07:00
John Kessenich
55e7d11ce8 SPIR-V: Move from Version .99 Rev 31 to Version 1.0, Rev 2. 2015-11-15 22:31:41 -07:00
John Kessenich
5e4b1242bf Move to revision 31 of SPIR-V. 2015-08-06 22:55:01 -06:00
John Kessenich
140f3df134 Final round for line endings. 2015-06-26 16:58:36 -06:00
John Kessenich
93dfbe1309 glslang: Fix over 100 warnings from MSVC warning level 4. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31202 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2015-05-15 17:30:55 +00:00
John Kessenich
3a44d7fee8 glslang spvIR.h: Portability improvement. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31139 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2015-05-11 18:50:01 +00:00
John Kessenich
1cfc71b73e glslang->SPV: Fix addStringOperand so it saves the string argument early, before the str parameter variable is modified. Otherwise you save a garbage string (buffer overrun?) because "str" has run past the terminating NUL. Contributor: Â Lei Zhang antiagainst@google.com 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31108 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2015-05-08 00:45:31 +00:00
John Kessenich
11f5fc04b8 glslang preprocassor: Fix operator precedence bug. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31087 e7fa87d3-cd2b-0410-9028-fcbf551c1848
 2015-05-07 01:04:29 +00:00