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# Shaders processing
if(NOT USE_VULKAN)
return()
endif()
set(VULKAN_GEN_OUTPUT_PATH "${CMAKE_BINARY_DIR}/vulkan/ATen/native/vulkan")
set(VULKAN_GEN_ARG_ENV "")
if(USE_VULKAN_RELAXED_PRECISION)
list(APPEND VULKAN_GEN_ARG_ENV "precision=mediump")
endif()
if(USE_VULKAN_FP16_INFERENCE)
list(APPEND VULKAN_GEN_ARG_ENV "format=rgba16f")
endif()
if(USE_VULKAN_SHADERC_RUNTIME)
set(PYTHONPATH "$ENV{PYTHONPATH}")
set(NEW_PYTHONPATH ${PYTHONPATH})
list(APPEND NEW_PYTHONPATH "${CMAKE_CURRENT_LIST_DIR}/..")
set(ENV{PYTHONPATH} ${NEW_PYTHONPATH})
execute_process(
COMMAND
"${PYTHON_EXECUTABLE}"
${CMAKE_CURRENT_LIST_DIR}/../aten/src/ATen/gen_vulkan_glsl.py
--glsl-path ${CMAKE_CURRENT_LIST_DIR}/../aten/src/ATen/native/vulkan/glsl
--output-path ${VULKAN_GEN_OUTPUT_PATH}
--tmp-dir-path=${CMAKE_BINARY_DIR}/vulkan/glsl
--env ${VULKAN_GEN_ARG_ENV}
RESULT_VARIABLE error_code)
set(ENV{PYTHONPATH} ${PYTHONPATH})
if(error_code)
message(FATAL_ERROR "Failed to gen glsl.h and glsl.cpp with shaders sources for Vulkan backend")
endif()
set(vulkan_generated_cpp ${VULKAN_GEN_OUTPUT_PATH}/glsl.cpp)
return()
endif()
if(NOT USE_VULKAN_SHADERC_RUNTIME)
# Precompiling shaders
if(ANDROID)
if(NOT ANDROID_NDK)
message(FATAL_ERROR "ANDROID_NDK not set")
endif()
set(GLSLC_PATH "${ANDROID_NDK}/shader-tools/${ANDROID_NDK_HOST_SYSTEM_NAME}/glslc")
else()
find_program(
GLSLC_PATH glslc
PATHS
ENV VULKAN_SDK
PATHS "$ENV{VULKAN_SDK}/${CMAKE_HOST_SYSTEM_PROCESSOR}/bin"
PATHS "$ENV{VULKAN_SDK}/bin"
)
if(NOT GLSLC_PATH)
message(FATAL_ERROR "USE_VULKAN glslc not found")
endif(NOT GLSLC_PATH)
endif()
set(PYTHONPATH "$ENV{PYTHONPATH}")
set(NEW_PYTHONPATH ${PYTHONPATH})
list(APPEND NEW_PYTHONPATH "${CMAKE_CURRENT_LIST_DIR}/..")
set(ENV{PYTHONPATH} ${NEW_PYTHONPATH})
execute_process(
COMMAND
"${PYTHON_EXECUTABLE}"
${CMAKE_CURRENT_LIST_DIR}/../tools/gen_vulkan_spv.py
--glsl-path ${CMAKE_CURRENT_LIST_DIR}/../aten/src/ATen/native/vulkan/glsl
--output-path ${VULKAN_GEN_OUTPUT_PATH}
--glslc-path=${GLSLC_PATH}
--tmp-dir-path=${CMAKE_BINARY_DIR}/vulkan/spv
--env ${VULKAN_GEN_ARG_ENV}
RESULT_VARIABLE error_code)
set(ENV{PYTHONPATH} ${PYTHONPATH})
if(error_code)
message(FATAL_ERROR "Failed to gen spv.h and spv.cpp with precompiled shaders for Vulkan backend")
endif()
set(vulkan_generated_cpp ${VULKAN_GEN_OUTPUT_PATH}/spv.cpp)
endif()
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