remove_extra_strict_flags()

set(INC
	..
)

set(INC_SYS

)

set(SRC_CPU_KERNELS
	kernels/cpu/kernel.cpp
	kernels/cpu/kernel_sse2.cpp
	kernels/cpu/kernel_sse3.cpp
	kernels/cpu/kernel_sse41.cpp
	kernels/cpu/kernel_avx.cpp
	kernels/cpu/kernel_avx2.cpp
	kernels/cpu/kernel_split.cpp
	kernels/cpu/kernel_split_sse2.cpp
	kernels/cpu/kernel_split_sse3.cpp
	kernels/cpu/kernel_split_sse41.cpp
	kernels/cpu/kernel_split_avx.cpp
	kernels/cpu/kernel_split_avx2.cpp
	kernels/cpu/filter.cpp
	kernels/cpu/filter_sse2.cpp
	kernels/cpu/filter_sse3.cpp
	kernels/cpu/filter_sse41.cpp
	kernels/cpu/filter_avx.cpp
	kernels/cpu/filter_avx2.cpp
)

set(SRC_CUDA_KERNELS
	kernels/cuda/kernel.cu
	kernels/cuda/kernel_split.cu
	kernels/cuda/filter.cu
)

set(SRC_OPENCL_KERNELS
	kernels/opencl/kernel.cl
	kernels/opencl/kernel_state_buffer_size.cl
	kernels/opencl/kernel_split.cl
	kernels/opencl/kernel_data_init.cl
	kernels/opencl/kernel_path_init.cl
	kernels/opencl/kernel_queue_enqueue.cl
	kernels/opencl/kernel_scene_intersect.cl
	kernels/opencl/kernel_lamp_emission.cl
	kernels/opencl/kernel_do_volume.cl
	kernels/opencl/kernel_indirect_background.cl
	kernels/opencl/kernel_shader_setup.cl
	kernels/opencl/kernel_shader_sort.cl
	kernels/opencl/kernel_shader_eval.cl
	kernels/opencl/kernel_holdout_emission_blurring_pathtermination_ao.cl
	kernels/opencl/kernel_subsurface_scatter.cl
	kernels/opencl/kernel_direct_lighting.cl
	kernels/opencl/kernel_shadow_blocked_ao.cl
	kernels/opencl/kernel_shadow_blocked_dl.cl
	kernels/opencl/kernel_enqueue_inactive.cl
	kernels/opencl/kernel_next_iteration_setup.cl
	kernels/opencl/kernel_indirect_subsurface.cl
	kernels/opencl/kernel_buffer_update.cl
	kernels/opencl/filter.cl
)

set(SRC_BVH_HEADERS
	bvh/bvh.h
	bvh/bvh_nodes.h
	bvh/bvh_shadow_all.h
	bvh/bvh_local.h
	bvh/bvh_traversal.h
	bvh/bvh_types.h
	bvh/bvh_volume.h
	bvh/bvh_volume_all.h
	bvh/qbvh_nodes.h
	bvh/qbvh_shadow_all.h
	bvh/qbvh_local.h
	bvh/qbvh_traversal.h
	bvh/qbvh_volume.h
	bvh/qbvh_volume_all.h
	bvh/obvh_nodes.h
	bvh/obvh_shadow_all.h
	bvh/obvh_local.h
	bvh/obvh_traversal.h
	bvh/obvh_volume.h
	bvh/obvh_volume_all.h
	bvh/bvh_embree.h
)

set(SRC_HEADERS
	kernel_accumulate.h
	kernel_bake.h
	kernel_camera.h
	kernel_color.h
	kernel_compat_cpu.h
	kernel_compat_cuda.h
	kernel_compat_opencl.h
	kernel_differential.h
	kernel_emission.h
	kernel_film.h
	kernel_globals.h
	kernel_id_passes.h
	kernel_jitter.h
	kernel_light.h
	kernel_math.h
	kernel_montecarlo.h
	kernel_passes.h
	kernel_path.h
	kernel_path_branched.h
	kernel_path_common.h
	kernel_path_state.h
	kernel_path_surface.h
	kernel_path_subsurface.h
	kernel_path_volume.h
	kernel_projection.h
	kernel_queues.h
	kernel_random.h
	kernel_shader.h
	kernel_shadow.h
	kernel_subsurface.h
	kernel_textures.h
	kernel_types.h
	kernel_volume.h
	kernel_work_stealing.h
)

set(SRC_KERNELS_CPU_HEADERS
	kernel.h
	kernels/cpu/kernel_cpu.h
	kernels/cpu/kernel_cpu_impl.h
	kernels/cpu/kernel_cpu_image.h
	kernels/cpu/filter_cpu.h
	kernels/cpu/filter_cpu_impl.h
)

set(SRC_KERNELS_CUDA_HEADERS
	kernels/cuda/kernel_config.h
	kernels/cuda/kernel_cuda_image.h
)

set(SRC_KERNELS_OPENCL_HEADERS
	kernels/opencl/kernel_split_function.h
	kernels/opencl/kernel_opencl_image.h
)

set(SRC_CLOSURE_HEADERS
	closure/alloc.h
	closure/bsdf.h
	closure/bsdf_ashikhmin_velvet.h
	closure/bsdf_diffuse.h
	closure/bsdf_diffuse_ramp.h
	closure/bsdf_microfacet.h
	closure/bsdf_microfacet_multi.h
	closure/bsdf_microfacet_multi_impl.h
	closure/bsdf_oren_nayar.h
	closure/bsdf_phong_ramp.h
	closure/bsdf_reflection.h
	closure/bsdf_refraction.h
	closure/bsdf_toon.h
	closure/bsdf_transparent.h
	closure/bsdf_util.h
	closure/bsdf_ashikhmin_shirley.h
	closure/bsdf_hair.h
	closure/bssrdf.h
	closure/emissive.h
	closure/volume.h
	closure/bsdf_principled_diffuse.h
	closure/bsdf_principled_sheen.h
    closure/bsdf_hair_principled.h
)

set(SRC_SVM_HEADERS
	svm/svm.h
	svm/svm_ao.h
	svm/svm_attribute.h
	svm/svm_bevel.h
	svm/svm_blackbody.h
	svm/svm_bump.h
	svm/svm_camera.h
	svm/svm_closure.h
	svm/svm_convert.h
	svm/svm_checker.h
	svm/svm_color_util.h
	svm/svm_brick.h
	svm/svm_displace.h
	svm/svm_fresnel.h
	svm/svm_wireframe.h
	svm/svm_wavelength.h
	svm/svm_gamma.h
	svm/svm_brightness.h
	svm/svm_geometry.h
	svm/svm_gradient.h
	svm/svm_hsv.h
	svm/svm_ies.h
	svm/svm_image.h
	svm/svm_invert.h
	svm/svm_light_path.h
	svm/svm_magic.h
	svm/svm_mapping.h
	svm/svm_math.h
	svm/svm_math_util.h
	svm/svm_mix.h
	svm/svm_musgrave.h
	svm/svm_noise.h
	svm/svm_noisetex.h
	svm/svm_normal.h
	svm/svm_ramp.h
	svm/svm_ramp_util.h
	svm/svm_sepcomb_hsv.h
	svm/svm_sepcomb_vector.h
	svm/svm_sky.h
	svm/svm_tex_coord.h
	svm/svm_texture.h
	svm/svm_types.h
	svm/svm_value.h
	svm/svm_vector_transform.h
	svm/svm_voronoi.h
	svm/svm_voxel.h
	svm/svm_wave.h
)

set(SRC_GEOM_HEADERS
	geom/geom.h
	geom/geom_attribute.h
	geom/geom_curve.h
	geom/geom_curve_intersect.h
	geom/geom_motion_curve.h
	geom/geom_motion_triangle.h
	geom/geom_motion_triangle_intersect.h
	geom/geom_motion_triangle_shader.h
	geom/geom_object.h
	geom/geom_patch.h
	geom/geom_primitive.h
	geom/geom_subd_triangle.h
	geom/geom_triangle.h
	geom/geom_triangle_intersect.h
	geom/geom_volume.h
)

set(SRC_FILTER_HEADERS
	filter/filter.h
	filter/filter_defines.h
	filter/filter_features.h
	filter/filter_features_sse.h
	filter/filter_kernel.h
	filter/filter_nlm_cpu.h
	filter/filter_nlm_gpu.h
	filter/filter_prefilter.h
	filter/filter_reconstruction.h
	filter/filter_transform.h
	filter/filter_transform_gpu.h
	filter/filter_transform_sse.h
)

set(SRC_UTIL_HEADERS
	../util/util_atomic.h
	../util/util_color.h
	../util/util_defines.h
	../util/util_half.h
	../util/util_hash.h
	../util/util_math.h
	../util/util_math_fast.h
	../util/util_math_intersect.h
	../util/util_math_float2.h
	../util/util_math_float3.h
	../util/util_math_float4.h
	../util/util_math_int2.h
	../util/util_math_int3.h
	../util/util_math_int4.h
	../util/util_math_matrix.h
	../util/util_projection.h
	../util/util_rect.h
	../util/util_static_assert.h
	../util/util_transform.h
	../util/util_texture.h
	../util/util_types.h
	../util/util_types_float2.h
	../util/util_types_float2_impl.h
	../util/util_types_float3.h
	../util/util_types_float3_impl.h
	../util/util_types_float4.h
	../util/util_types_float4_impl.h
	../util/util_types_float8.h
	../util/util_types_float8_impl.h
	../util/util_types_int2.h
	../util/util_types_int2_impl.h
	../util/util_types_int3.h
	../util/util_types_int3_impl.h
	../util/util_types_int4.h
	../util/util_types_int4_impl.h
	../util/util_types_uchar2.h
	../util/util_types_uchar2_impl.h
	../util/util_types_uchar3.h
	../util/util_types_uchar3_impl.h
	../util/util_types_uchar4.h
	../util/util_types_uchar4_impl.h
	../util/util_types_uint2.h
	../util/util_types_uint2_impl.h
	../util/util_types_uint3.h
	../util/util_types_uint3_impl.h
	../util/util_types_uint4.h
	../util/util_types_uint4_impl.h
	../util/util_types_ushort4.h
	../util/util_types_vector3.h
	../util/util_types_vector3_impl.h
)

set(SRC_SPLIT_HEADERS
	split/kernel_branched.h
	split/kernel_buffer_update.h
	split/kernel_data_init.h
	split/kernel_direct_lighting.h
	split/kernel_do_volume.h
	split/kernel_enqueue_inactive.h
	split/kernel_holdout_emission_blurring_pathtermination_ao.h
	split/kernel_indirect_background.h
	split/kernel_indirect_subsurface.h
	split/kernel_lamp_emission.h
	split/kernel_next_iteration_setup.h
	split/kernel_path_init.h
	split/kernel_queue_enqueue.h
	split/kernel_scene_intersect.h
	split/kernel_shader_setup.h
	split/kernel_shader_sort.h
	split/kernel_shader_eval.h
	split/kernel_shadow_blocked_ao.h
	split/kernel_shadow_blocked_dl.h
	split/kernel_split_common.h
	split/kernel_split_data.h
	split/kernel_split_data_types.h
	split/kernel_subsurface_scatter.h
)

# CUDA module

if(WITH_CYCLES_CUDA_BINARIES)
	# 64 bit only
	set(CUDA_BITS 64)

	# CUDA version
	execute_process(COMMAND ${CUDA_NVCC_EXECUTABLE} "--version" OUTPUT_VARIABLE NVCC_OUT)
	string(REGEX REPLACE ".*release ([0-9]+)\\.([0-9]+).*" "\\1" CUDA_VERSION_MAJOR "${NVCC_OUT}")
	string(REGEX REPLACE ".*release ([0-9]+)\\.([0-9]+).*" "\\2" CUDA_VERSION_MINOR "${NVCC_OUT}")
	set(CUDA_VERSION "${CUDA_VERSION_MAJOR}${CUDA_VERSION_MINOR}")

	# warn for other versions
	if(CUDA_VERSION MATCHES "90" OR CUDA_VERSION MATCHES "91")
	else()
		message(WARNING
			"CUDA version ${CUDA_VERSION_MAJOR}.${CUDA_VERSION_MINOR} detected, "
			"build may succeed but only CUDA 9.0 and 9.1 are officially supported")
	endif()

	# build for each arch
	set(cuda_sources kernels/cuda/kernel.cu kernels/cuda/kernel_split.cu
		${SRC_HEADERS}
		${SRC_KERNELS_CUDA_HEADERS}
		${SRC_BVH_HEADERS}
		${SRC_SVM_HEADERS}
		${SRC_GEOM_HEADERS}
		${SRC_CLOSURE_HEADERS}
		${SRC_UTIL_HEADERS}
	)
	set(cuda_filter_sources kernels/cuda/filter.cu
		${SRC_HEADERS}
		${SRC_KERNELS_CUDA_HEADERS}
		${SRC_FILTER_HEADERS}
		${SRC_UTIL_HEADERS}
	)
	set(cuda_cubins)

	macro(CYCLES_CUDA_KERNEL_ADD arch prev_arch name flags sources experimental)
		set(cuda_cubin ${name}_${arch}.cubin)

		set(kernel_sources ${sources})
		if(NOT ${prev_arch} STREQUAL "none")
			set(kernel_sources ${kernel_sources} ${name}_${prev_arch}.cubin)
		endif()

		set(cuda_kernel_src "/kernels/cuda/${name}.cu")

		set(cuda_flags
			-D CCL_NAMESPACE_BEGIN=
			-D CCL_NAMESPACE_END=
			-D NVCC
			-m ${CUDA_BITS}
			-I ${CMAKE_CURRENT_SOURCE_DIR}/..
			-I ${CMAKE_CURRENT_SOURCE_DIR}/kernels/cuda
			--use_fast_math
			-o ${CMAKE_CURRENT_BINARY_DIR}/${cuda_cubin})

		if(${experimental})
			set(cuda_flags ${cuda_flags} -D __KERNEL_EXPERIMENTAL__)
			set(name ${name}_experimental)
		endif()

		if(WITH_CYCLES_DEBUG)
			set(cuda_flags ${cuda_flags} -D __KERNEL_DEBUG__)
		endif()

		if(WITH_CYCLES_CUBIN_COMPILER)
			string(SUBSTRING ${arch} 3 -1 CUDA_ARCH)

			# Needed to find libnvrtc-builtins.so. Can't do it from inside
			# cycles_cubin_cc since the env variable is read before main()
			if(APPLE)
				set(CUBIN_CC_ENV ${CMAKE_COMMAND}
					-E env DYLD_LIBRARY_PATH="${CUDA_TOOLKIT_ROOT_DIR}/lib")
			elseif(UNIX)
				set(CUBIN_CC_ENV ${CMAKE_COMMAND}
					-E env LD_LIBRARY_PATH="${CUDA_TOOLKIT_ROOT_DIR}/lib64")
			endif()

			add_custom_command(
				OUTPUT ${cuda_cubin}
				COMMAND ${CUBIN_CC_ENV}
						"$<TARGET_FILE:cycles_cubin_cc>"
						-target ${CUDA_ARCH}
						-i ${CMAKE_CURRENT_SOURCE_DIR}${cuda_kernel_src}
						${cuda_flags}
						-v
						-cuda-toolkit-dir "${CUDA_TOOLKIT_ROOT_DIR}"
				DEPENDS ${kernel_sources} cycles_cubin_cc)
		else()
			add_custom_command(
				OUTPUT ${cuda_cubin}
				COMMAND ${CUDA_NVCC_EXECUTABLE}
						-arch=${arch}
						${CUDA_NVCC_FLAGS}
						--cubin
						${CMAKE_CURRENT_SOURCE_DIR}${cuda_kernel_src}
						--ptxas-options="-v"
						${cuda_flags}
				DEPENDS ${kernel_sources})
		endif()
		delayed_install("${CMAKE_CURRENT_BINARY_DIR}" "${cuda_cubin}" ${CYCLES_INSTALL_PATH}/lib)
		list(APPEND cuda_cubins ${cuda_cubin})

		unset(cuda_debug_flags)
	endmacro()

	set(prev_arch "none")
	foreach(arch ${CYCLES_CUDA_BINARIES_ARCH})
		if(${arch} MATCHES "sm_2.")
			message(STATUS "CUDA binaries for ${arch} are no longer supported, skipped.")
		else()
			# Compile regular kernel
			CYCLES_CUDA_KERNEL_ADD(${arch} ${prev_arch} filter "" "${cuda_filter_sources}" FALSE)
			CYCLES_CUDA_KERNEL_ADD(${arch} ${prev_arch} kernel "" "${cuda_sources}" FALSE)

			if(WITH_CYCLES_CUDA_SPLIT_KERNEL_BINARIES)
				# Compile split kernel
				CYCLES_CUDA_KERNEL_ADD(${arch} ${prev_arch} kernel_split "-D __SPLIT__" "${cuda_sources}" FALSE)
			endif()

			if(WITH_CYCLES_CUDA_BUILD_SERIAL)
				set(prev_arch ${arch})
			endif()
		endif()
	endforeach()

	add_custom_target(cycles_kernel_cuda ALL DEPENDS ${cuda_cubins})
	cycles_set_solution_folder(cycles_kernel_cuda)
endif()

# OSL module

if(WITH_CYCLES_OSL)
	add_subdirectory(osl)
	add_subdirectory(shaders)
endif()

# CPU module

include_directories(${INC})
include_directories(SYSTEM ${INC_SYS})

set_source_files_properties(kernels/cpu/kernel.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_KERNEL_FLAGS}")
set_source_files_properties(kernels/cpu/kernel_split.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_KERNEL_FLAGS}")
set_source_files_properties(kernels/cpu/filter.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_KERNEL_FLAGS}")

if(CXX_HAS_SSE)
	set_source_files_properties(kernels/cpu/kernel_sse2.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE2_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/kernel_sse3.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE3_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/kernel_sse41.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE41_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/kernel_split_sse2.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE2_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/kernel_split_sse3.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE3_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/kernel_split_sse41.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE41_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/filter_sse2.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE2_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/filter_sse3.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE3_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/filter_sse41.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE41_KERNEL_FLAGS}")
endif()

if(CXX_HAS_AVX)
	set_source_files_properties(kernels/cpu/kernel_avx.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_AVX_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/kernel_split_avx.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_AVX_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/filter_avx.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_AVX_KERNEL_FLAGS}")
endif()

if(CXX_HAS_AVX2)
	set_source_files_properties(kernels/cpu/kernel_avx2.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_AVX2_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/kernel_split_avx2.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_AVX2_KERNEL_FLAGS}")
	set_source_files_properties(kernels/cpu/filter_avx2.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_AVX2_KERNEL_FLAGS}")
endif()

cycles_add_library(cycles_kernel
	${SRC_CPU_KERNELS}
	${SRC_CUDA_KERNELS}
	${SRC_OPENCL_KERNELS}
	${SRC_HEADERS}
	${SRC_KERNELS_CPU_HEADERS}
	${SRC_KERNELS_CUDA_HEADERS}
	${SRC_KERNELS_OPENCL_HEADERS}
	${SRC_BVH_HEADERS}
	${SRC_CLOSURE_HEADERS}
	${SRC_FILTER_HEADERS}
	${SRC_SVM_HEADERS}
	${SRC_GEOM_HEADERS}
	${SRC_SPLIT_HEADERS}
)

if(WITH_CYCLES_CUDA)
	add_dependencies(cycles_kernel cycles_kernel_cuda)
endif()

# OpenCL kernel

#set(KERNEL_PREPROCESSED ${CMAKE_CURRENT_BINARY_DIR}/kernel_preprocessed.cl)
#add_custom_command(
#	OUTPUT ${KERNEL_PREPROCESSED}
#	COMMAND gcc -x c++ -E ${CMAKE_CURRENT_SOURCE_DIR}/kernel.cl -I ${CMAKE_CURRENT_SOURCE_DIR}/../util/ -DCCL_NAMESPACE_BEGIN= -DCCL_NAMESPACE_END= -o ${KERNEL_PREPROCESSED}
#	DEPENDS ${SRC_KERNEL} ${SRC_UTIL_HEADERS})
#add_custom_target(cycles_kernel_preprocess ALL DEPENDS ${KERNEL_PREPROCESSED})
#delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${KERNEL_PREPROCESSED}" ${CYCLES_INSTALL_PATH}/kernel)

delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_OPENCL_KERNELS}" ${CYCLES_INSTALL_PATH}/source/kernel/kernels/opencl)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_CUDA_KERNELS}" ${CYCLES_INSTALL_PATH}/source/kernel/kernels/cuda)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_HEADERS}" ${CYCLES_INSTALL_PATH}/source/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_KERNELS_OPENCL_HEADERS}" ${CYCLES_INSTALL_PATH}/source/kernel/kernels/opencl)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_KERNELS_CUDA_HEADERS}" ${CYCLES_INSTALL_PATH}/source/kernel/kernels/cuda)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_BVH_HEADERS}" ${CYCLES_INSTALL_PATH}/source/kernel/bvh)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_CLOSURE_HEADERS}" ${CYCLES_INSTALL_PATH}/source/kernel/closure)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_FILTER_HEADERS}" ${CYCLES_INSTALL_PATH}/source/kernel/filter)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_SVM_HEADERS}" ${CYCLES_INSTALL_PATH}/source/kernel/svm)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_GEOM_HEADERS}" ${CYCLES_INSTALL_PATH}/source/kernel/geom)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_UTIL_HEADERS}" ${CYCLES_INSTALL_PATH}/source/util)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_SPLIT_HEADERS}" ${CYCLES_INSTALL_PATH}/source/kernel/split)