blender/intern/cycles/kernel/CMakeLists.txt
George Kyriazis 7f4479da42 Cycles: OpenCL kernel split
This commit contains all the work related on the AMD megakernel split work
which was mainly done by Varun Sundar, George Kyriazis and Lenny Wang, plus
some help from Sergey Sharybin, Martijn Berger, Thomas Dinges and likely
someone else which we're forgetting to mention.

Currently only AMD cards are enabled for the new split kernel, but it is
possible to force split opencl kernel to be used by setting the following
environment variable: CYCLES_OPENCL_SPLIT_KERNEL_TEST=1.

Not all the features are supported yet, and that being said no motion blur,
camera blur, SSS and volumetrics for now. Also transparent shadows are
disabled on AMD device because of some compiler bug.

This kernel is also only implements regular path tracing and supporting
branched one will take a bit. Branched path tracing is exposed to the
interface still, which is a bit misleading and will be hidden there soon.

More feature will be enabled once they're ported to the split kernel and
tested.

Neither regular CPU nor CUDA has any difference, they're generating the
same exact code, which means no regressions/improvements there.

Based on the research paper:

  https://research.nvidia.com/sites/default/files/publications/laine2013hpg_paper.pdf

Here's the documentation:

  https://docs.google.com/document/d/1LuXW-CV-sVJkQaEGZlMJ86jZ8FmoPfecaMdR-oiWbUY/edit

Design discussion of the patch:

  https://developer.blender.org/T44197

Differential Revision: https://developer.blender.org/D1200
2015-05-09 19:52:40 +05:00

322 lines
8.8 KiB
CMake

remove_extra_strict_flags()
set(INC
.
../util
osl
svm
)
set(INC_SYS
)
set(SRC
kernel.cpp
kernel.cl
kernel_data_init.cl
kernel_queue_enqueue.cl
kernel_scene_intersect.cl
kernel_lamp_emission.cl
kernel_background_buffer_update.cl
kernel_shader_eval.cl
kernel_holdout_emission_blurring_pathtermination_ao.cl
kernel_direct_lighting.cl
kernel_shadow_blocked.cl
kernel_next_iteration_setup.cl
kernel_sum_all_radiance.cl
kernel.cu
)
set(SRC_HEADERS
kernel.h
kernel_accumulate.h
kernel_bake.h
kernel_camera.h
kernel_compat_cpu.h
kernel_compat_cuda.h
kernel_compat_opencl.h
kernel_debug.h
kernel_differential.h
kernel_emission.h
kernel_film.h
kernel_globals.h
kernel_jitter.h
kernel_light.h
kernel_math.h
kernel_montecarlo.h
kernel_passes.h
kernel_path.h
kernel_path_common.h
kernel_path_state.h
kernel_path_surface.h
kernel_path_volume.h
kernel_projection.h
kernel_queues.h
kernel_random.h
kernel_shader.h
kernel_shaderdata_vars.h
kernel_shadow.h
kernel_split.h
kernel_subsurface.h
kernel_textures.h
kernel_types.h
kernel_volume.h
kernel_work_stealing.h
)
set(SRC_CLOSURE_HEADERS
closure/bsdf.h
closure/bsdf_ashikhmin_velvet.h
closure/bsdf_diffuse.h
closure/bsdf_diffuse_ramp.h
closure/bsdf_microfacet.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
)
set(SRC_SVM_HEADERS
svm/svm.h
svm/svm_attribute.h
svm/svm_blackbody.h
svm/svm_camera.h
svm/svm_closure.h
svm/svm_convert.h
svm/svm_checker.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_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_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_wave.h
)
set(SRC_GEOM_HEADERS
geom/geom.h
geom/geom_attribute.h
geom/geom_bvh.h
geom/geom_bvh_shadow.h
geom/geom_bvh_subsurface.h
geom/geom_bvh_traversal.h
geom/geom_bvh_volume.h
geom/geom_bvh_volume_all.h
geom/geom_curve.h
geom/geom_motion_curve.h
geom/geom_motion_triangle.h
geom/geom_object.h
geom/geom_primitive.h
geom/geom_qbvh.h
geom/geom_qbvh_shadow.h
geom/geom_qbvh_subsurface.h
geom/geom_qbvh_traversal.h
geom/geom_qbvh_volume.h
geom/geom_qbvh_volume_all.h
geom/geom_triangle.h
geom/geom_triangle_intersect.h
geom/geom_volume.h
)
set(SRC_UTIL_HEADERS
../util/util_color.h
../util/util_half.h
../util/util_math.h
../util/util_math_fast.h
../util/util_transform.h
../util/util_types.h
)
# CUDA module
if(WITH_CYCLES_CUDA_BINARIES)
# 32 bit or 64 bit
if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
set(CUDA_BITS 64)
else()
set(CUDA_BITS 32)
endif()
# 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 "65")
else()
message(WARNING
"CUDA version ${CUDA_VERSION_MAJOR}.${CUDA_VERSION_MINOR} detected, "
"build may succeed but only CUDA 6.5 is officially supported")
endif()
# build for each arch
set(cuda_sources kernel.cu ${SRC_HEADERS} ${SRC_SVM_HEADERS} ${SRC_GEOM_HEADERS} ${SRC_CLOSURE_HEADERS} ${SRC_UTIL_HEADERS})
set(cuda_cubins)
macro(CYCLES_CUDA_KERNEL_ADD arch experimental)
if(${experimental})
set(cuda_extra_flags "-D__KERNEL_CUDA_EXPERIMENTAL__")
set(cuda_cubin kernel_experimental_${arch}.cubin)
else()
set(cuda_extra_flags "")
set(cuda_cubin kernel_${arch}.cubin)
endif()
if(WITH_CYCLES_DEBUG)
set(cuda_debug_flags "-D__KERNEL_DEBUG__")
else()
set(cuda_debug_flags "")
endif()
set(cuda_version_flags "-D__KERNEL_CUDA_VERSION__=${CUDA_VERSION}")
set(cuda_math_flags "--use_fast_math")
add_custom_command(
OUTPUT ${cuda_cubin}
COMMAND ${CUDA_NVCC_EXECUTABLE}
-arch=${arch}
-m${CUDA_BITS}
--cubin ${CMAKE_CURRENT_SOURCE_DIR}/kernel.cu
-o ${CMAKE_CURRENT_BINARY_DIR}/${cuda_cubin}
--ptxas-options="-v"
${cuda_arch_flags}
${cuda_version_flags}
${cuda_math_flags}
${cuda_extra_flags}
${cuda_debug_flags}
-I${CMAKE_CURRENT_SOURCE_DIR}/../util
-I${CMAKE_CURRENT_SOURCE_DIR}/svm
-DCCL_NAMESPACE_BEGIN=
-DCCL_NAMESPACE_END=
-DNVCC
DEPENDS ${cuda_sources})
delayed_install("${CMAKE_CURRENT_BINARY_DIR}" "${cuda_cubin}" ${CYCLES_INSTALL_PATH}/lib)
list(APPEND cuda_cubins ${cuda_cubin})
unset(cuda_extra_flags)
unset(cuda_debug_flags)
endmacro()
foreach(arch ${CYCLES_CUDA_BINARIES_ARCH})
# Compile regular kernel
CYCLES_CUDA_KERNEL_ADD(${arch} FALSE)
# Compile experimental kernel
CYCLES_CUDA_KERNEL_ADD(${arch} TRUE)
endforeach()
add_custom_target(cycles_kernel_cuda ALL DEPENDS ${cuda_cubins})
endif()
# OSL module
if(WITH_CYCLES_OSL)
add_subdirectory(osl)
add_subdirectory(shaders)
endif()
# CPU module
include_directories(${INC})
include_directories(SYSTEM ${INC_SYS})
if(CXX_HAS_SSE)
list(APPEND SRC
kernel_sse2.cpp
kernel_sse3.cpp
kernel_sse41.cpp
)
set_source_files_properties(kernel_sse2.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE2_KERNEL_FLAGS}")
set_source_files_properties(kernel_sse3.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE3_KERNEL_FLAGS}")
set_source_files_properties(kernel_sse41.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_SSE41_KERNEL_FLAGS}")
endif()
if(CXX_HAS_AVX)
list(APPEND SRC
kernel_avx.cpp
)
set_source_files_properties(kernel_avx.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_AVX_KERNEL_FLAGS}")
endif()
if(CXX_HAS_AVX2)
list(APPEND SRC
kernel_avx2.cpp
)
set_source_files_properties(kernel_avx2.cpp PROPERTIES COMPILE_FLAGS "${CYCLES_AVX2_KERNEL_FLAGS}")
endif()
add_library(cycles_kernel ${SRC} ${SRC_HEADERS} ${SRC_CLOSURE_HEADERS} ${SRC_SVM_HEADERS} ${SRC_GEOM_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} "kernel.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_data_init.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_queue_enqueue.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_scene_intersect.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_lamp_emission.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_background_buffer_update.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_shader_eval.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_holdout_emission_blurring_pathtermination_ao.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_direct_lighting.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_shadow_blocked.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_next_iteration_setup.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel_sum_all_radiance.cl" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "kernel.cu" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_HEADERS}" ${CYCLES_INSTALL_PATH}/kernel)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_CLOSURE_HEADERS}" ${CYCLES_INSTALL_PATH}/kernel/closure)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_SVM_HEADERS}" ${CYCLES_INSTALL_PATH}/kernel/svm)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_GEOM_HEADERS}" ${CYCLES_INSTALL_PATH}/kernel/geom)
delayed_install(${CMAKE_CURRENT_SOURCE_DIR} "${SRC_UTIL_HEADERS}" ${CYCLES_INSTALL_PATH}/kernel)