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lgritz committed Nov 21, 2019
1 parent cdf5c79 commit fe411bd1df7aa3f35f29a16416c6fcffe3e429a9
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  1. +34 −0 CHANGES.md
@@ -6,6 +6,7 @@ Dependency and standards changes:
time we branch for the next major release.)
* OpenImageIO 2.0-2.1: Support for OIIO 1.8 has been dropped; a minimum
of OIIO 2.0 is needed to build OSL. #1038 (1.11.0)
* CMake minimum is now 3.12. #1072 (1.11.1)

OSL Language and oslc compiler:
* New syntax to reference color and point/vector/normal components as
@@ -57,6 +58,8 @@ OSL Language and oslc compiler:
value, still default to length 1 (we don't allow 0-length arrays, that's a
whole other can of worms), but this is now treated as equivalent to
`= { default_value }` (0 for int or float, "" for string). #967 (1.11.0)
* More correct handling of escaped string literals (such as "\tfoo\n")
in string and also in string metadata. #1073 (1.11.1)

OSL Standard library:
* Extend linearstep() and smooth_linearstep() to work with color, point,
@@ -82,6 +85,7 @@ API changes, new options, new ShadingSystem features (for renderer writers):
therefore "stateless" and thread-safe. If you exclusively use these new
methods for shader specification, it's possible for multiple threads to
specify shader groups simultaneously. #984, #985, #986, #1000 (1.11.0)
#1067 (1.11.1)
* New ShadingSystem option: "opt_warnings" enables warnings about things
that couldn't be optimized and may be performance issues. #1010 (1.11.0)
* New ShadingSystem option: "gpu_opt_error" enables full error status of the
@@ -136,8 +140,34 @@ Bug fixes and other improvements (internals):
* Fix the implementation of division-with-derivs so that the main value
always exactly matches the results of division of values without derivs.
Previously there could be some LSB differences. #1066 (1.11.1)
* Fix a number of places that weren't properly "locale-independent".
#1075 (1.11.1)

Build & test system improvements:
* Major overhaul of the CMake build system to upgrade minimum of CMake 3.12
and us many features that this makes available. #1072 #1074 (1.11.1)
Highlights:
- All optional dependencies (e.g. "Pkg") now can be disabled (even if
found) with cmake -DUSE_PKG=0 or environment variable USE_PKG=0.
Previously, some packages supported this, others did not.
- All dependencies can be given find hints via -DPkg_ROOT=path or by
setting environment variable Pkg_ROOT=path. Previously, some did, some
didn't, and the ones that did had totally inconsistent names for the
path hint variable (PKG_HOME, PKG_ROOT_DIR, PKG_PATH, etc).
- Nice color coded status messages making it much more clear which
dependencies were found, which were not, which were disabled.
- Use standard BUILD_SHARED_LIBS to control shared vs static libraries,
replacing the old nonstandard BUILDSTATIC name.
- Use correct PUBLIC/PRIVATE marks with target_link_libraries and
target_include_directories, and rely on cmake properly understanding
the transitive dependencies.
- CMAKE_DEBUG_POSTFIX adds an optional suffix to debug libraries.
- CMAKE_CXX_STANDARD to control C++ standard (instead of our nonstandard
USE_CPP).
- CXX_VISIBILITY_PRESET controls symbol visibility defaults now, not
our nonstandard HIDE_SYMBOLS. And the default is to keep everything
hidden that is not part of the public API.
- Config based install and usage.
* Testshade makes sure that no unreported errors accumulted in the texture
system or image cache. #939 (1.11.0)
* testshade: Check that no leftover errors are in the TextureSystem or
@@ -177,6 +207,10 @@ Build & test system improvements:
* Fixes for MinGW compiler on Windows. #1047 #1048 (1.11.0)
* Fixes for CI when using OIIO 2.1 master that has changed its own cmake
minimum to 3.12. #1065 (1.11.1)
* Scripts and tests utilizing Python have all been visited to make sure they
are compatible with both Python 2.x and Python 3.x. #1071 (1.11.1)
* Improvement for how the build system figures out which LLVM static
libraries are needed. #1070 (1.11.1)

Documentation:

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