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LoopDawg 1326b8c754 HLSL: Allow stream output Append() method after entry point. 
Append() method is special: unlike most outputs, it does not copy
some temporary data to a symbol in the entry point epilogue, but
rather uses an emit builtin after each write to the output stream.

This had been handled by remembering the special output symbol for
the stream as it was declared in the shader entry point before
symbol sanitization.  However the prior code was too simple and
only handled cases where the Append() method happened after the
entry point, so that the output symbol had been seen.

This PR adds a patching step so that the Append()s may appear in
any order WRT the entry point.  They are patched in an epilogue,
whereupon it is guaranteed in a well formed shader that we have
seen the appropriate declaration.

Fixes #1217.
2018-05-15 15:13:09 -06:00
..
AST.FromFile.cpp GLSL/SPV: Implement SPV_EXT_descriptor_indexing and GL_EXT_nonuniform_qualifier 2018-04-05 11:25:02 -06:00
BuiltInResource.FromFile.cpp Gtests can be run on another source tree 2016-10-05 10:28:32 -04:00
CMakeLists.txt Update CMakeLists.txt 2017-07-04 05:59:03 -07:00
Config.FromFile.cpp Tests: specExamples.vert is used twice, it needs two different output names. 2018-02-21 18:42:10 -07:00
HexFloat.cpp Update HexFloat tests to use non-enum class enum values 2016-10-13 20:05:13 +02:00
Hlsl.FromFile.cpp HLSL: Allow stream output Append() method after entry point. 2018-05-15 15:13:09 -06:00
Initializer.h Infrastructure: Make shared symbol-table cache complete, delete work around. 2016-08-09 19:15:17 -06:00
Link.FromFile.cpp Linker: Walk the call graph to report an error on missing bodies. 2016-12-08 23:22:21 -07:00
Link.FromFile.Vk.cpp Linker: Fix #1329: correctly merge unsized arrays, and fix link tests. 2018-04-01 21:22:34 -06:00
main.cpp SPV: Implement Vulkan 1.1 features and extensions. 2018-03-06 16:12:04 -07:00
Pp.FromFile.cpp Gtests can be run on another source tree 2016-10-05 10:28:32 -04:00
README.md Link in Google Test framework. 2016-03-31 10:31:30 -04:00
Remap.FromFile.cpp Remapper: handle embedded opcode in OpSpecConstantOp 2017-05-18 16:13:04 -06:00
Settings.cpp Gtests can be run on another source tree 2016-10-05 10:28:32 -04:00
Settings.h Gtests can be run on another source tree 2016-10-05 10:28:32 -04:00
Spv.FromFile.cpp GLSL/SPV: Fix #1310: don't create unnecessary integer matrices. 2018-04-07 18:49:54 -06:00
TestFixture.cpp Only print legalization warning if optimizer disabled 2018-03-29 13:17:54 -06:00
TestFixture.h Only print legalization warning if optimizer disabled 2018-03-29 13:17:54 -06:00

README.md

Glslang Tests based on the Google Test Framework

This directory contains Google Test based test fixture and test cases for glslang.

Apart from typical unit tests, necessary utility methods are added into the GlslangTests fixture to provide the ability to do file-based integration tests. Various *.FromFile.cpp files lists names of files containing input shader code in the Test/ directory. Utility methods will load the input shader source, compile them, and compare with the corresponding expected output in the Test/baseResults/ directory.

How to run the tests

Please make sure you have a copy of Google Test checked out under the External directory before building. After building, just run the ctest command or the gtests/glslangtests binary in your build directory.

The gtests/glslangtests binary also provides an --update-mode command line option, which, if supplied, will overwrite the golden files under the Test/baseResults/ directory with real output from that invocation. This serves as an easy way to update golden files.