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Introduced a WIP standalone binary tool, "LibsToOso", allowing us to codegen and compile MaterialX libraries, as part as the ongoing work towards a new shader generator, "MaterialXGenOslNodes" #1

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Introduced a WIP standalone binary tool, "LibsToOso", allowing us to codegen and compile MaterialX libraries, as part as the ongoing work towards a new shader generator, "MaterialXGenOslNodes" #1

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a1be9fa
Introduced a WIP standalone binary tool, "LibsToOso", allowing us to …
JoshuaSenouf Sep 26, 2025
7fb308d
Addressed PR comments.
JoshuaSenouf Sep 28, 2025
a37b8cf
Split the "outputPath" argument into "oslOutputPath" and "osoOutputPa…
JoshuaSenouf Sep 29, 2025
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18 changes: 16 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ option(MATERIALX_BUILD_DOCS "Create HTML documentation using Doxygen. Requires t

option(MATERIALX_BUILD_GEN_GLSL "Build the GLSL shader generator back-end." ON)
option(MATERIALX_BUILD_GEN_OSL "Build the OSL shader generator back-end." ON)
option(MATERIALX_BUILD_GEN_OSL_NODES "Build the OSL nodes shader generator back-end." ON)
option(MATERIALX_BUILD_GEN_MDL "Build the MDL shader generator back-end." ON)
option(MATERIALX_BUILD_GEN_MSL "Build the MSL shader generator back-end." ON)
option(MATERIALX_BUILD_RENDER "Build the MaterialX Render modules." ON)
Expand Down Expand Up @@ -84,6 +85,7 @@ if (CMAKE_SYSTEM_NAME MATCHES "iOS" OR CMAKE_SYSTEM_NAME MATCHES "tvOS" OR CMAKE
set(MATERIALX_BUILD_GRAPH_EDITOR OFF)
set(MATERIALX_BUILD_GEN_GLSL OFF)
set(MATERIALX_BUILD_GEN_OSL OFF)
set(MATERIALX_BUILD_GEN_OSL_NODES OFF)
set(MATERIALX_BUILD_GEN_MDL OFF)
set(MATERIALX_BUILD_TESTS OFF)
endif()
Expand All @@ -103,6 +105,7 @@ if (MATERIALX_BUILD_APPLE_FRAMEWORK)
endif()

if (MATERIALX_BUILD_JS)
set(MATERIALX_BUILD_GEN_OSL_NODES OFF)
set(MATERIALX_BUILD_RENDER OFF)
set(MATERIALX_BUILD_TESTS OFF)
endif()
Expand Down Expand Up @@ -136,6 +139,12 @@ if(SKBUILD)
set(MATERIALX_PYTHON_FOLDER_NAME "MaterialX")
endif()

if (MATERIALX_BUILD_GEN_OSL_NODES)
set(MATERIALX_BUILD_GEN_OSL ON)
set(MATERIALX_BUILD_RENDER ON)
set(MATERIALX_BUILD_RENDER_PLATFORMS ON)
endif()

# Helpers for MDL validation
if (MATERIALX_BUILD_GEN_MDL)
set(MATERIALX_MDLC_EXECUTABLE "" CACHE FILEPATH "Full path to the mdlc binary.")
Expand All @@ -162,6 +171,7 @@ set(MATERIALX_LIBNAME_SUFFIX "" CACHE STRING "Specify a suffix to all libraries
mark_as_advanced(MATERIALX_BUILD_DOCS)
mark_as_advanced(MATERIALX_BUILD_GEN_GLSL)
mark_as_advanced(MATERIALX_BUILD_GEN_OSL)
mark_as_advanced(MATERIALX_BUILD_GEN_OSL_NODES)
mark_as_advanced(MATERIALX_BUILD_GEN_MDL)
mark_as_advanced(MATERIALX_BUILD_GEN_MSL)
mark_as_advanced(MATERIALX_BUILD_RENDER)
Expand Down Expand Up @@ -215,7 +225,7 @@ endif()

# Allow the OSL CMake package to provide binary locations for render tests.
# This will not override explicitly provided oslc, testrender, and include paths.
if(MATERIALX_BUILD_RENDER AND MATERIALX_BUILD_GEN_OSL AND MATERIALX_BUILD_TESTS)
if((MATERIALX_BUILD_RENDER AND MATERIALX_BUILD_GEN_OSL AND MATERIALX_BUILD_TESTS) OR MATERIALX_BUILD_GEN_OSL_NODES)
find_package(OSL QUIET)
if(OSL_FOUND)
if(NOT MATERIALX_OSL_BINARY_OSLC)
Expand Down Expand Up @@ -449,7 +459,7 @@ add_subdirectory(source/MaterialXFormat)

# Add shader generation subdirectories
add_subdirectory(source/MaterialXGenShader)
if(MATERIALX_BUILD_GEN_GLSL OR MATERIALX_BUILD_GEN_OSL OR MATERIALX_BUILD_GEN_MDL OR MATERIALX_BUILD_GEN_MSL)
if(MATERIALX_BUILD_GEN_GLSL OR MATERIALX_BUILD_GEN_OSL OR MATERIALX_BUILD_GEN_OSL_NODES OR MATERIALX_BUILD_GEN_MDL OR MATERIALX_BUILD_GEN_MSL)
if (MATERIALX_BUILD_GEN_GLSL)
add_definitions(-DMATERIALX_BUILD_GEN_GLSL)
add_subdirectory(source/MaterialXGenGlsl)
Expand All @@ -458,6 +468,10 @@ if(MATERIALX_BUILD_GEN_GLSL OR MATERIALX_BUILD_GEN_OSL OR MATERIALX_BUILD_GEN_MD
add_definitions(-DMATERIALX_BUILD_GEN_OSL)
add_subdirectory(source/MaterialXGenOsl)
endif()
if (MATERIALX_BUILD_GEN_OSL_NODES)
add_definitions(-DMATERIALX_BUILD_GEN_OSL_NODES)
add_subdirectory(source/MaterialXGenOslNodes)
endif()
if (MATERIALX_BUILD_GEN_MDL)
add_definitions(-DMATERIALX_BUILD_GEN_MDL)
add_subdirectory(source/MaterialXGenMdl)
Expand Down
28 changes: 28 additions & 0 deletions source/MaterialXGenOslNodes/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
file(GLOB GenNodes_SRC "${CMAKE_CURRENT_SOURCE_DIR}/LibsToOso.cpp")

set(MATERIALX_LIBRARIES
MaterialXCore
MaterialXFormat
MaterialXGenShader
MaterialXGenOsl
MaterialXRenderOsl)

add_executable(MaterialXGenOslNodes_LibsToOso ${GenNodes_SRC})

target_link_libraries(
MaterialXGenOslNodes_LibsToOso
${MATERIALX_LIBRARIES})

set_target_properties(
MaterialXGenOslNodes_LibsToOso PROPERTIES
INSTALL_RPATH "${MATERIALX_UP_ONE_RPATH}")

# TODO: We likely want to install that file elsewhere and not under `bin`,
# if at all, as we maybe want to keep this executable available at build time only.
install(TARGETS MaterialXGenOslNodes_LibsToOso
EXPORT MaterialX
RUNTIME DESTINATION ${MATERIALX_INSTALL_BIN_PATH})
if(MSVC)
install(FILES $<TARGET_PDB_FILE:MaterialXGenOslNodes_LibsToOso>
DESTINATION ${MATERIALX_INSTALL_BIN_PATH} OPTIONAL)
endif()
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