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Branch for eventual release, call it alpha #1522

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Jun 20, 2022
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Branch for eventual release, call it alpha #1522

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58dd49f
Branch for eventual release, call it alpha
lgritz Jun 17, 2022
a8bab03
Add Cuda/OptiX requirements to INSTALL
lgritz Jun 17, 2022
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14 changes: 11 additions & 3 deletions CHANGES.md
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Original file line number Diff line number Diff line change
@@ -1,8 +1,16 @@
<!-- SPDX-License-Identifier: CC-BY-4.0 -->
<!-- Copyright Contributors to the Open Shading Language Project. -->

Release 1.12 -- ?? (compared to 1.11)
Release 1.12 -- ?? 1 Aug 2022 ?? (compared to 1.11)
--------------------------------------------------
Big Deal Changes:

* Batch shading: A fully operational "batch shading" support when using CPUs
supporting the AVX2 or AVX512 instruction set architectures, allows shading
8 or 16 points at a time, accelerated by using SIMD instructions.
* A reasonable subset of the OSL language can run on NVIDIA GPUs for
Cuda or OptiX-based renderers.

Dependency and standards requirements changes:
* The minimum (and default) compilation mode is now C++14. C++17 and 20 are
also supported. #1362 #1369 (1.12.2)
Expand Down Expand Up @@ -58,7 +66,7 @@ API changes, new options, new ShadingSystem features (for renderer writers):
triggered for those cases that cannot be resolved by the end of the "runtime
optimization" phase. #1497 (1.12.4.6)

Continued work on experimental SIMD batched shading mode:
SIMD batched shading mode:
* Added support for masked operations to LLVMUtil. #1248 #1250 (1.12.0.0)
* Add interface to ShadingSystem for batched execution. #1272 (1.12.0.1)
* Add interface to batched RendererServices. #1276 (1.12.0.1)
Expand All @@ -84,7 +92,7 @@ Continued work on experimental SIMD batched shading mode:
* Batched userdata and output placement. #1455 (1.12.4.2)
* Batched pointcloud functions. #1464 (1.12.4.4)

Continued work on experimental OptiX rendering:
OptiX rendering:
* Explicitly set the OptiX pipeline stack size. #1254 (1.12.0.0)
* CI tests now at least compile and build with USE_OPTIX=1 (though not yet
run the tests). #1281 (1.12.0.1)
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4 changes: 2 additions & 2 deletions CMakeLists.txt
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Expand Up @@ -9,12 +9,12 @@ project (OSL VERSION 1.12.5.0
set (PROJ_NAME ${PROJECT_NAME}) # short name
string (TOLOWER ${PROJ_NAME} PROJ_NAME_LOWER) # short name lower case
string (TOUPPER ${PROJ_NAME} PROJ_NAME_UPPER) # short name upper case
set (PROJECT_VERSION_RELEASE_TYPE "dev" CACHE STRING
set (PROJECT_VERSION_RELEASE_TYPE "alpha1" CACHE STRING
"Build type, for example: dev, beta2, RC1 (empty string for normal release)")
set (${PROJECT_NAME}_VERSION_RELEASE_TYPE ${PROJECT_VERSION_RELEASE_TYPE})
set (PROJECT_AUTHORS "Contributors to the Open Shading Language project")
option (${PROJECT_NAME}_SUPPORTED_RELEASE
"Set ON for supported release branch, OFF for master" OFF)
"Set ON for supported release branch, OFF for master" ON)
if (${PROJECT_NAME}_SUPPORTED_RELEASE)
set (${PROJECT_NAME}_DEV_RELEASE OFF)
else ()
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5 changes: 5 additions & 0 deletions INSTALL.md
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Expand Up @@ -43,6 +43,11 @@ NEW or CHANGED dependencies since the last major release are **bold**.
* **[LLVM](http://www.llvm.org) 9, 10, 11, 12, 13, or 14**, including clang
libraries.

* (optional) For GPU rendering on NVIDIA GPUs:
* [Cuda](https://developer.nvidia.com/cuda-downloads) 8.0 or higher.
* [OptiX](https://developer.nvidia.com/rtx/ray-tracing/optix) 5.1 or higher
(though 7.0+ is highly recommended).

* [Boost](https://www.boost.org) 1.55 or newer (tested through boost 1.78)
* [Ilmbase or Imath](https://github.com/AcademySoftwareFoundation/openexr) 2.3
or newer (recommended: 2.4 or higher; tested through 3.1)
Expand Down