mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2026-10-26 06:38:16 +08:00
Update simpleVulkanMMAP, smokeParticles
This commit is contained in:
Rob Armstrong
47
Samples/5_Domain_Specific/smokeParticles/CMakeLists.txt
Normal file
47
Samples/5_Domain_Specific/smokeParticles/CMakeLists.txt
Normal file
@@ -0,0 +1,47 @@
|
||||
# Include directories and libraries
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||||
include_directories(../../../Common)
|
||||
|
||||
find_package(OpenGL)
|
||||
find_package(GLUT)
|
||||
|
||||
# Source file
|
||||
set(SRC_FILES
|
||||
GLSLProgram.cpp
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||||
ParticleSystem.cpp
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||||
ParticleSystem_cuda.cu
|
||||
SmokeRenderer.cpp
|
||||
SmokeShaders.cpp
|
||||
framebufferObject.cpp
|
||||
particleDemo.cpp
|
||||
renderbuffer.cpp
|
||||
)
|
||||
|
||||
if(${OpenGL_FOUND})
|
||||
if (${GLUT_FOUND})
|
||||
# Add target for smokeParticles
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||||
add_executable(smokeParticles ${SRC_FILES})
|
||||
set_target_properties(smokeParticles PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
|
||||
|
||||
target_include_directories(smokeParticles PUBLIC
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||||
${OPENGL_INCLUDE_DIR}
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||||
${CUDAToolkit_INCLUDE_DIRS}
|
||||
${GLUT_INCLUDE_DIRS}
|
||||
)
|
||||
|
||||
target_link_libraries(smokeParticles
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||||
${OPENGL_LIBRARIES}
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||||
${GLUT_LIBRARIES}
|
||||
)
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||||
|
||||
add_custom_command(TARGET smokeParticles POST_BUILD
|
||||
COMMAND ${CMAKE_COMMAND} -E copy_directory_if_different
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/data
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||||
${CMAKE_CURRENT_BINARY_DIR}/data
|
||||
)
|
||||
|
||||
else()
|
||||
message(STATUS "GLUT not found - will not build sample 'smokeParticles'")
|
||||
endif()
|
||||
else()
|
||||
message(STATUS "OpenGL not found - will not build sample 'smokeParticles'")
|
||||
endif()
|
||||
@@ -1,427 +0,0 @@
|
||||
################################################################################
|
||||
# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions
|
||||
# are met:
|
||||
# * Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# * Redistributions in binary form must reproduce the above copyright
|
||||
# notice, this list of conditions and the following disclaimer in the
|
||||
# documentation and/or other materials provided with the distribution.
|
||||
# * Neither the name of NVIDIA CORPORATION nor the names of its
|
||||
# contributors may be used to endorse or promote products derived
|
||||
# from this software without specific prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
|
||||
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
||||
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
||||
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
#
|
||||
################################################################################
|
||||
#
|
||||
# Makefile project only supported on Mac OS X and Linux Platforms)
|
||||
#
|
||||
################################################################################
|
||||
|
||||
# Location of the CUDA Toolkit
|
||||
CUDA_PATH ?= /usr/local/cuda
|
||||
|
||||
##############################
|
||||
# start deprecated interface #
|
||||
##############################
|
||||
ifeq ($(x86_64),1)
|
||||
$(info WARNING - x86_64 variable has been deprecated)
|
||||
$(info WARNING - please use TARGET_ARCH=x86_64 instead)
|
||||
TARGET_ARCH ?= x86_64
|
||||
endif
|
||||
ifeq ($(ARMv7),1)
|
||||
$(info WARNING - ARMv7 variable has been deprecated)
|
||||
$(info WARNING - please use TARGET_ARCH=armv7l instead)
|
||||
TARGET_ARCH ?= armv7l
|
||||
endif
|
||||
ifeq ($(aarch64),1)
|
||||
$(info WARNING - aarch64 variable has been deprecated)
|
||||
$(info WARNING - please use TARGET_ARCH=aarch64 instead)
|
||||
TARGET_ARCH ?= aarch64
|
||||
endif
|
||||
ifeq ($(ppc64le),1)
|
||||
$(info WARNING - ppc64le variable has been deprecated)
|
||||
$(info WARNING - please use TARGET_ARCH=ppc64le instead)
|
||||
TARGET_ARCH ?= ppc64le
|
||||
endif
|
||||
ifneq ($(GCC),)
|
||||
$(info WARNING - GCC variable has been deprecated)
|
||||
$(info WARNING - please use HOST_COMPILER=$(GCC) instead)
|
||||
HOST_COMPILER ?= $(GCC)
|
||||
endif
|
||||
ifneq ($(abi),)
|
||||
$(error ERROR - abi variable has been removed)
|
||||
endif
|
||||
############################
|
||||
# end deprecated interface #
|
||||
############################
|
||||
|
||||
# architecture
|
||||
HOST_ARCH := $(shell uname -m)
|
||||
TARGET_ARCH ?= $(HOST_ARCH)
|
||||
ifneq (,$(filter $(TARGET_ARCH),x86_64 aarch64 sbsa ppc64le armv7l))
|
||||
ifneq ($(TARGET_ARCH),$(HOST_ARCH))
|
||||
ifneq (,$(filter $(TARGET_ARCH),x86_64 aarch64 sbsa ppc64le))
|
||||
TARGET_SIZE := 64
|
||||
else ifneq (,$(filter $(TARGET_ARCH),armv7l))
|
||||
TARGET_SIZE := 32
|
||||
endif
|
||||
else
|
||||
TARGET_SIZE := $(shell getconf LONG_BIT)
|
||||
endif
|
||||
else
|
||||
$(error ERROR - unsupported value $(TARGET_ARCH) for TARGET_ARCH!)
|
||||
endif
|
||||
|
||||
# sbsa and aarch64 systems look similar. Need to differentiate them at host level for now.
|
||||
ifeq ($(HOST_ARCH),aarch64)
|
||||
ifeq ($(CUDA_PATH)/targets/sbsa-linux,$(shell ls -1d $(CUDA_PATH)/targets/sbsa-linux 2>/dev/null))
|
||||
HOST_ARCH := sbsa
|
||||
TARGET_ARCH := sbsa
|
||||
endif
|
||||
endif
|
||||
|
||||
ifneq ($(TARGET_ARCH),$(HOST_ARCH))
|
||||
ifeq (,$(filter $(HOST_ARCH)-$(TARGET_ARCH),aarch64-armv7l x86_64-armv7l x86_64-aarch64 x86_64-sbsa x86_64-ppc64le))
|
||||
$(error ERROR - cross compiling from $(HOST_ARCH) to $(TARGET_ARCH) is not supported!)
|
||||
endif
|
||||
endif
|
||||
|
||||
# When on native aarch64 system with userspace of 32-bit, change TARGET_ARCH to armv7l
|
||||
ifeq ($(HOST_ARCH)-$(TARGET_ARCH)-$(TARGET_SIZE),aarch64-aarch64-32)
|
||||
TARGET_ARCH = armv7l
|
||||
endif
|
||||
|
||||
# operating system
|
||||
HOST_OS := $(shell uname -s 2>/dev/null | tr "[:upper:]" "[:lower:]")
|
||||
TARGET_OS ?= $(HOST_OS)
|
||||
ifeq (,$(filter $(TARGET_OS),linux darwin qnx android))
|
||||
$(error ERROR - unsupported value $(TARGET_OS) for TARGET_OS!)
|
||||
endif
|
||||
|
||||
# host compiler
|
||||
ifdef HOST_COMPILER
|
||||
CUSTOM_HOST_COMPILER = 1
|
||||
endif
|
||||
|
||||
ifeq ($(TARGET_OS),darwin)
|
||||
ifeq ($(shell expr `xcodebuild -version | grep -i xcode | awk '{print $$2}' | cut -d'.' -f1` \>= 5),1)
|
||||
HOST_COMPILER ?= clang++
|
||||
endif
|
||||
else ifneq ($(TARGET_ARCH),$(HOST_ARCH))
|
||||
ifeq ($(HOST_ARCH)-$(TARGET_ARCH),x86_64-armv7l)
|
||||
ifeq ($(TARGET_OS),linux)
|
||||
HOST_COMPILER ?= arm-linux-gnueabihf-g++
|
||||
else ifeq ($(TARGET_OS),qnx)
|
||||
ifeq ($(QNX_HOST),)
|
||||
$(error ERROR - QNX_HOST must be passed to the QNX host toolchain)
|
||||
endif
|
||||
ifeq ($(QNX_TARGET),)
|
||||
$(error ERROR - QNX_TARGET must be passed to the QNX target toolchain)
|
||||
endif
|
||||
export QNX_HOST
|
||||
export QNX_TARGET
|
||||
HOST_COMPILER ?= $(QNX_HOST)/usr/bin/arm-unknown-nto-qnx6.6.0eabi-g++
|
||||
else ifeq ($(TARGET_OS),android)
|
||||
HOST_COMPILER ?= arm-linux-androideabi-g++
|
||||
endif
|
||||
else ifeq ($(TARGET_ARCH),aarch64)
|
||||
ifeq ($(TARGET_OS), linux)
|
||||
HOST_COMPILER ?= aarch64-linux-gnu-g++
|
||||
else ifeq ($(TARGET_OS),qnx)
|
||||
ifeq ($(QNX_HOST),)
|
||||
$(error ERROR - QNX_HOST must be passed to the QNX host toolchain)
|
||||
endif
|
||||
ifeq ($(QNX_TARGET),)
|
||||
$(error ERROR - QNX_TARGET must be passed to the QNX target toolchain)
|
||||
endif
|
||||
export QNX_HOST
|
||||
export QNX_TARGET
|
||||
HOST_COMPILER ?= $(QNX_HOST)/usr/bin/q++
|
||||
else ifeq ($(TARGET_OS), android)
|
||||
HOST_COMPILER ?= aarch64-linux-android-clang++
|
||||
endif
|
||||
else ifeq ($(TARGET_ARCH),sbsa)
|
||||
HOST_COMPILER ?= aarch64-linux-gnu-g++
|
||||
else ifeq ($(TARGET_ARCH),ppc64le)
|
||||
HOST_COMPILER ?= powerpc64le-linux-gnu-g++
|
||||
endif
|
||||
endif
|
||||
HOST_COMPILER ?= g++
|
||||
NVCC := $(CUDA_PATH)/bin/nvcc -ccbin $(HOST_COMPILER)
|
||||
|
||||
# internal flags
|
||||
NVCCFLAGS := -m${TARGET_SIZE}
|
||||
CCFLAGS :=
|
||||
LDFLAGS :=
|
||||
|
||||
# build flags
|
||||
|
||||
# Link flag for customized HOST_COMPILER with gcc realpath
|
||||
GCC_PATH := $(shell which gcc)
|
||||
ifeq ($(CUSTOM_HOST_COMPILER),1)
|
||||
ifneq ($(filter /%,$(HOST_COMPILER)),)
|
||||
ifneq ($(findstring gcc,$(HOST_COMPILER)),)
|
||||
ifneq ($(GCC_PATH),$(HOST_COMPILER))
|
||||
LDFLAGS += -lstdc++
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
|
||||
ifeq ($(TARGET_OS),darwin)
|
||||
LDFLAGS += -rpath $(CUDA_PATH)/lib
|
||||
CCFLAGS += -arch $(HOST_ARCH)
|
||||
else ifeq ($(HOST_ARCH)-$(TARGET_ARCH)-$(TARGET_OS),x86_64-armv7l-linux)
|
||||
LDFLAGS += --dynamic-linker=/lib/ld-linux-armhf.so.3
|
||||
CCFLAGS += -mfloat-abi=hard
|
||||
else ifeq ($(TARGET_OS),android)
|
||||
LDFLAGS += -pie
|
||||
CCFLAGS += -fpie -fpic -fexceptions
|
||||
endif
|
||||
|
||||
ifneq ($(TARGET_ARCH),$(HOST_ARCH))
|
||||
ifeq ($(TARGET_ARCH)-$(TARGET_OS),armv7l-linux)
|
||||
ifneq ($(TARGET_FS),)
|
||||
GCCVERSIONLTEQ46 := $(shell expr `$(HOST_COMPILER) -dumpversion` \<= 4.6)
|
||||
ifeq ($(GCCVERSIONLTEQ46),1)
|
||||
CCFLAGS += --sysroot=$(TARGET_FS)
|
||||
endif
|
||||
LDFLAGS += --sysroot=$(TARGET_FS)
|
||||
LDFLAGS += -rpath-link=$(TARGET_FS)/lib
|
||||
LDFLAGS += -rpath-link=$(TARGET_FS)/usr/lib
|
||||
LDFLAGS += -rpath-link=$(TARGET_FS)/usr/lib/arm-linux-gnueabihf
|
||||
endif
|
||||
endif
|
||||
ifeq ($(TARGET_ARCH)-$(TARGET_OS),aarch64-linux)
|
||||
ifneq ($(TARGET_FS),)
|
||||
GCCVERSIONLTEQ46 := $(shell expr `$(HOST_COMPILER) -dumpversion` \<= 4.6)
|
||||
ifeq ($(GCCVERSIONLTEQ46),1)
|
||||
CCFLAGS += --sysroot=$(TARGET_FS)
|
||||
endif
|
||||
LDFLAGS += --sysroot=$(TARGET_FS)
|
||||
LDFLAGS += -rpath-link=$(TARGET_FS)/lib -L$(TARGET_FS)/lib
|
||||
LDFLAGS += -rpath-link=$(TARGET_FS)/lib/aarch64-linux-gnu -L$(TARGET_FS)/lib/aarch64-linux-gnu
|
||||
LDFLAGS += -rpath-link=$(TARGET_FS)/usr/lib -L$(TARGET_FS)/usr/lib
|
||||
LDFLAGS += -rpath-link=$(TARGET_FS)/usr/lib/aarch64-linux-gnu -L$(TARGET_FS)/usr/lib/aarch64-linux-gnu
|
||||
LDFLAGS += --unresolved-symbols=ignore-in-shared-libs
|
||||
CCFLAGS += -isystem=$(TARGET_FS)/usr/include -I$(TARGET_FS)/usr/include -I$(TARGET_FS)/usr/include/libdrm
|
||||
CCFLAGS += -isystem=$(TARGET_FS)/usr/include/aarch64-linux-gnu -I$(TARGET_FS)/usr/include/aarch64-linux-gnu
|
||||
endif
|
||||
endif
|
||||
ifeq ($(TARGET_ARCH)-$(TARGET_OS),aarch64-qnx)
|
||||
NVCCFLAGS += -D_QNX_SOURCE
|
||||
NVCCFLAGS += --qpp-config 8.3.0,gcc_ntoaarch64le
|
||||
CCFLAGS += -DWIN_INTERFACE_CUSTOM -I/usr/include/aarch64-qnx-gnu
|
||||
LDFLAGS += -lsocket
|
||||
LDFLAGS += -L/usr/lib/aarch64-qnx-gnu
|
||||
CCFLAGS += "-Wl\,-rpath-link\,/usr/lib/aarch64-qnx-gnu"
|
||||
ifdef TARGET_OVERRIDE
|
||||
LDFLAGS += -lslog2
|
||||
endif
|
||||
|
||||
ifneq ($(TARGET_FS),)
|
||||
LDFLAGS += -L$(TARGET_FS)/usr/lib
|
||||
CCFLAGS += "-Wl\,-rpath-link\,$(TARGET_FS)/usr/lib"
|
||||
LDFLAGS += -L$(TARGET_FS)/usr/libnvidia
|
||||
CCFLAGS += "-Wl\,-rpath-link\,$(TARGET_FS)/usr/libnvidia"
|
||||
CCFLAGS += -I$(TARGET_FS)/../include
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
|
||||
ifdef TARGET_OVERRIDE # cuda toolkit targets override
|
||||
NVCCFLAGS += -target-dir $(TARGET_OVERRIDE)
|
||||
endif
|
||||
|
||||
# Install directory of different arch
|
||||
CUDA_INSTALL_TARGET_DIR :=
|
||||
ifeq ($(TARGET_ARCH)-$(TARGET_OS),armv7l-linux)
|
||||
CUDA_INSTALL_TARGET_DIR = targets/armv7-linux-gnueabihf/
|
||||
else ifeq ($(TARGET_ARCH)-$(TARGET_OS),aarch64-linux)
|
||||
CUDA_INSTALL_TARGET_DIR = targets/aarch64-linux/
|
||||
else ifeq ($(TARGET_ARCH)-$(TARGET_OS),sbsa-linux)
|
||||
CUDA_INSTALL_TARGET_DIR = targets/sbsa-linux/
|
||||
else ifeq ($(TARGET_ARCH)-$(TARGET_OS),armv7l-android)
|
||||
CUDA_INSTALL_TARGET_DIR = targets/armv7-linux-androideabi/
|
||||
else ifeq ($(TARGET_ARCH)-$(TARGET_OS),aarch64-android)
|
||||
CUDA_INSTALL_TARGET_DIR = targets/aarch64-linux-androideabi/
|
||||
else ifeq ($(TARGET_ARCH)-$(TARGET_OS),armv7l-qnx)
|
||||
CUDA_INSTALL_TARGET_DIR = targets/ARMv7-linux-QNX/
|
||||
else ifeq ($(TARGET_ARCH)-$(TARGET_OS),aarch64-qnx)
|
||||
CUDA_INSTALL_TARGET_DIR = targets/aarch64-qnx/
|
||||
else ifeq ($(TARGET_ARCH),ppc64le)
|
||||
CUDA_INSTALL_TARGET_DIR = targets/ppc64le-linux/
|
||||
endif
|
||||
|
||||
# Debug build flags
|
||||
ifeq ($(dbg),1)
|
||||
NVCCFLAGS += -g -G
|
||||
BUILD_TYPE := debug
|
||||
else
|
||||
BUILD_TYPE := release
|
||||
endif
|
||||
|
||||
ALL_CCFLAGS :=
|
||||
ALL_CCFLAGS += $(NVCCFLAGS)
|
||||
ALL_CCFLAGS += $(EXTRA_NVCCFLAGS)
|
||||
ALL_CCFLAGS += $(addprefix -Xcompiler ,$(CCFLAGS))
|
||||
ALL_CCFLAGS += $(addprefix -Xcompiler ,$(EXTRA_CCFLAGS))
|
||||
|
||||
SAMPLE_ENABLED := 1
|
||||
|
||||
# This sample is not supported on QNX
|
||||
ifeq ($(TARGET_OS),qnx)
|
||||
$(info >>> WARNING - smokeParticles is not supported on QNX - waiving sample <<<)
|
||||
SAMPLE_ENABLED := 0
|
||||
endif
|
||||
|
||||
ALL_LDFLAGS :=
|
||||
ALL_LDFLAGS += $(ALL_CCFLAGS)
|
||||
ALL_LDFLAGS += $(addprefix -Xlinker ,$(LDFLAGS))
|
||||
ALL_LDFLAGS += $(addprefix -Xlinker ,$(EXTRA_LDFLAGS))
|
||||
|
||||
# Common includes and paths for CUDA
|
||||
INCLUDES := -I../../../Common
|
||||
LIBRARIES :=
|
||||
|
||||
################################################################################
|
||||
|
||||
# Makefile include to help find GL Libraries
|
||||
include ./findgllib.mk
|
||||
|
||||
# OpenGL specific libraries
|
||||
ifeq ($(TARGET_OS),darwin)
|
||||
# Mac OSX specific libraries and paths to include
|
||||
LIBRARIES += -L/System/Library/Frameworks/OpenGL.framework/Libraries
|
||||
LIBRARIES += -lGL -lGLU
|
||||
ALL_LDFLAGS += -Xlinker -framework -Xlinker GLUT
|
||||
else
|
||||
LIBRARIES += $(GLLINK)
|
||||
LIBRARIES += -lGL -lGLU -lglut
|
||||
endif
|
||||
|
||||
#Detect if installed version of GCC supports required C++14
|
||||
ifeq ($(TARGET_OS),linux)
|
||||
empty :=
|
||||
space := $(empty) $(empty)
|
||||
GCCVERSIONSTRING := $(shell expr `$(HOST_COMPILER) -dumpversion`)
|
||||
#Create version number without "."
|
||||
GCCVERSION := $(shell expr `echo $(GCCVERSIONSTRING)` | cut -f1 -d.)
|
||||
GCCVERSION += $(shell expr `echo $(GCCVERSIONSTRING)` | cut -f2 -d.)
|
||||
GCCVERSION += $(shell expr `echo $(GCCVERSIONSTRING)` | cut -f3 -d.)
|
||||
# Make sure the version number has at least 3 decimals
|
||||
GCCVERSION += 00
|
||||
# Remove spaces from the version number
|
||||
GCCVERSION := $(subst $(space),$(empty),$(GCCVERSION))
|
||||
#$(warning $(GCCVERSION))
|
||||
|
||||
IS_MIN_VERSION := $(shell expr `echo $(GCCVERSION)` \>= 50000)
|
||||
ifneq ($(CUSTOM_HOST_COMPILER), 1)
|
||||
ifeq ($(IS_MIN_VERSION), 1)
|
||||
$(info >>> GCC Version is greater or equal to 5.0.0 <<<)
|
||||
else
|
||||
$(info >>> Waiving build. Minimum GCC version required is 5.0.0<<<)
|
||||
SAMPLE_ENABLED := 0
|
||||
endif
|
||||
else
|
||||
$(warning >>> Custom HOST_COMPILER set; skipping GCC version check. This may lead to unintended behavior. Please note the minimum equivalent GCC version is 5.0.0 <<<)
|
||||
endif
|
||||
endif
|
||||
|
||||
# Gencode arguments
|
||||
ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),armv7l aarch64 sbsa))
|
||||
SMS ?= 53 61 70 72 75 80 86 87 90
|
||||
else
|
||||
SMS ?= 50 52 60 61 70 75 80 86 89 90
|
||||
endif
|
||||
|
||||
ifeq ($(SMS),)
|
||||
$(info >>> WARNING - no SM architectures have been specified - waiving sample <<<)
|
||||
SAMPLE_ENABLED := 0
|
||||
endif
|
||||
|
||||
ifeq ($(GENCODE_FLAGS),)
|
||||
# Generate SASS code for each SM architecture listed in $(SMS)
|
||||
$(foreach sm,$(SMS),$(eval GENCODE_FLAGS += -gencode arch=compute_$(sm),code=sm_$(sm)))
|
||||
|
||||
# Generate PTX code from the highest SM architecture in $(SMS) to guarantee forward-compatibility
|
||||
HIGHEST_SM := $(lastword $(sort $(SMS)))
|
||||
ifneq ($(HIGHEST_SM),)
|
||||
GENCODE_FLAGS += -gencode arch=compute_$(HIGHEST_SM),code=compute_$(HIGHEST_SM)
|
||||
endif
|
||||
endif
|
||||
|
||||
ALL_CCFLAGS += --std=c++14 --threads 0
|
||||
|
||||
ifeq ($(SAMPLE_ENABLED),0)
|
||||
EXEC ?= @echo "[@]"
|
||||
endif
|
||||
|
||||
################################################################################
|
||||
|
||||
# Target rules
|
||||
all: build
|
||||
|
||||
build: smokeParticles
|
||||
|
||||
check.deps:
|
||||
ifeq ($(SAMPLE_ENABLED),0)
|
||||
@echo "Sample will be waived due to the above missing dependencies"
|
||||
else
|
||||
@echo "Sample is ready - all dependencies have been met"
|
||||
endif
|
||||
|
||||
GLSLProgram.o:GLSLProgram.cpp
|
||||
$(EXEC) $(NVCC) $(INCLUDES) $(ALL_CCFLAGS) $(GENCODE_FLAGS) -o $@ -c $<
|
||||
|
||||
ParticleSystem.o:ParticleSystem.cpp
|
||||
$(EXEC) $(NVCC) $(INCLUDES) $(ALL_CCFLAGS) $(GENCODE_FLAGS) -o $@ -c $<
|
||||
|
||||
ParticleSystem_cuda.o:ParticleSystem_cuda.cu
|
||||
$(EXEC) $(NVCC) $(INCLUDES) $(ALL_CCFLAGS) $(GENCODE_FLAGS) -o $@ -c $<
|
||||
|
||||
SmokeRenderer.o:SmokeRenderer.cpp
|
||||
$(EXEC) $(NVCC) $(INCLUDES) $(ALL_CCFLAGS) $(GENCODE_FLAGS) -o $@ -c $<
|
||||
|
||||
SmokeShaders.o:SmokeShaders.cpp
|
||||
$(EXEC) $(NVCC) $(INCLUDES) $(ALL_CCFLAGS) $(GENCODE_FLAGS) -o $@ -c $<
|
||||
|
||||
framebufferObject.o:framebufferObject.cpp
|
||||
$(EXEC) $(NVCC) $(INCLUDES) $(ALL_CCFLAGS) $(GENCODE_FLAGS) -o $@ -c $<
|
||||
|
||||
particleDemo.o:particleDemo.cpp
|
||||
$(EXEC) $(NVCC) $(INCLUDES) $(ALL_CCFLAGS) $(GENCODE_FLAGS) -o $@ -c $<
|
||||
|
||||
renderbuffer.o:renderbuffer.cpp
|
||||
$(EXEC) $(NVCC) $(INCLUDES) $(ALL_CCFLAGS) $(GENCODE_FLAGS) -o $@ -c $<
|
||||
|
||||
smokeParticles: GLSLProgram.o ParticleSystem.o ParticleSystem_cuda.o SmokeRenderer.o SmokeShaders.o framebufferObject.o particleDemo.o renderbuffer.o
|
||||
$(EXEC) $(NVCC) $(ALL_LDFLAGS) $(GENCODE_FLAGS) -o $@ $+ $(LIBRARIES)
|
||||
$(EXEC) mkdir -p ../../../bin/$(TARGET_ARCH)/$(TARGET_OS)/$(BUILD_TYPE)
|
||||
$(EXEC) cp $@ ../../../bin/$(TARGET_ARCH)/$(TARGET_OS)/$(BUILD_TYPE)
|
||||
|
||||
run: build
|
||||
$(EXEC) ./smokeParticles
|
||||
|
||||
testrun: build
|
||||
$(EXEC) ./smokeParticles -qatest
|
||||
|
||||
clean:
|
||||
rm -f smokeParticles GLSLProgram.o ParticleSystem.o ParticleSystem_cuda.o SmokeRenderer.o SmokeShaders.o framebufferObject.o particleDemo.o renderbuffer.o
|
||||
rm -rf ../../../bin/$(TARGET_ARCH)/$(TARGET_OS)/$(BUILD_TYPE)/smokeParticles
|
||||
|
||||
clobber: clean
|
||||
@@ -1,107 +0,0 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!DOCTYPE entry SYSTEM "SamplesInfo.dtd">
|
||||
<entry>
|
||||
<name>smokeParticles</name>
|
||||
<cflags>
|
||||
<flag>--std=c++14</flag>
|
||||
</cflags>
|
||||
<cuda_api_list>
|
||||
<toolkit>cudaExtent</toolkit>
|
||||
<toolkit>cudaPitchedPtr</toolkit>
|
||||
<toolkit>cudaCreateTextureObject</toolkit>
|
||||
<toolkit>cudaMemcpyToSymbol</toolkit>
|
||||
</cuda_api_list>
|
||||
<description><![CDATA[Smoke simulation with volumetric shadows using half-angle slicing technique. Uses CUDA for procedural simulation, Thrust Library for sorting algorithms, and OpenGL for graphics rendering.]]></description>
|
||||
<devicecompilation>whole</devicecompilation>
|
||||
<files>
|
||||
<file>..\..\doc\Thrust_license.txt</file>
|
||||
<file>data\floortile.ppm</file>
|
||||
<file>data\smokeParticles_ref.ppm</file>
|
||||
<file>data\ref_smokePart_pos.bin</file>
|
||||
<file>data\ref_smokePart_vel.bin</file>
|
||||
</files>
|
||||
<includepaths>
|
||||
<path>./</path>
|
||||
<path>../</path>
|
||||
<path>../../../Common</path>
|
||||
</includepaths>
|
||||
<keyconcepts>
|
||||
<concept level="advanced">Graphics Interop</concept>
|
||||
<concept level="advanced">Data Parallel Algorithms</concept>
|
||||
<concept level="advanced">Physically-Based Simulation</concept>
|
||||
</keyconcepts>
|
||||
<keywords>
|
||||
<keyword>CUDA</keyword>
|
||||
<keyword>GPGPU</keyword>
|
||||
<keyword>simulation</keyword>
|
||||
<keyword>particles</keyword>
|
||||
<keyword>OpenGL</keyword>
|
||||
<keyword>openGL</keyword>
|
||||
<keyword>CPP14</keyword>
|
||||
</keywords>
|
||||
<libraries>
|
||||
<library>GLU</library>
|
||||
<library>GL</library>
|
||||
<library framework="true" os="macosx">GLUT</library>
|
||||
<library os="linux">GLEW</library>
|
||||
<library os="linux">glut</library>
|
||||
<library os="linux">X11</library>
|
||||
</libraries>
|
||||
<librarypaths>
|
||||
<path arch="x86_64" os="linux">../../../common/lib/linux/x86_64</path>
|
||||
<path arch="armv7l" os="linux">../../../common/lib/linux/armv7l</path>
|
||||
<path os="macosx">../../../common/lib/darwin</path>
|
||||
</librarypaths>
|
||||
<nsight_eclipse>true</nsight_eclipse>
|
||||
<primary_file>particleDemo.cpp</primary_file>
|
||||
<qatests>
|
||||
<qatest>-qatest</qatest>
|
||||
</qatests>
|
||||
<required_dependencies>
|
||||
<dependency>X11</dependency>
|
||||
<dependency>GL</dependency>
|
||||
</required_dependencies>
|
||||
<scopes>
|
||||
<scope>2:Graphics Interop</scope>
|
||||
<scope>2:Texture</scope>
|
||||
<scope>3:Physically-Based Simulation</scope>
|
||||
</scopes>
|
||||
<sm-arch>sm50</sm-arch>
|
||||
<sm-arch>sm52</sm-arch>
|
||||
<sm-arch>sm53</sm-arch>
|
||||
<sm-arch>sm60</sm-arch>
|
||||
<sm-arch>sm61</sm-arch>
|
||||
<sm-arch>sm70</sm-arch>
|
||||
<sm-arch>sm72</sm-arch>
|
||||
<sm-arch>sm75</sm-arch>
|
||||
<sm-arch>sm80</sm-arch>
|
||||
<sm-arch>sm86</sm-arch>
|
||||
<sm-arch>sm87</sm-arch>
|
||||
<sm-arch>sm89</sm-arch>
|
||||
<sm-arch>sm90</sm-arch>
|
||||
<supported_envs>
|
||||
<env>
|
||||
<arch>x86_64</arch>
|
||||
<platform>linux</platform>
|
||||
</env>
|
||||
<env>
|
||||
<platform>windows7</platform>
|
||||
</env>
|
||||
<env>
|
||||
<arch>x86_64</arch>
|
||||
<platform>macosx</platform>
|
||||
</env>
|
||||
<env>
|
||||
<arch>arm</arch>
|
||||
</env>
|
||||
<env>
|
||||
<arch>sbsa</arch>
|
||||
</env>
|
||||
</supported_envs>
|
||||
<supported_sm_architectures>
|
||||
<include>all</include>
|
||||
</supported_sm_architectures>
|
||||
<title>Smoke Particles</title>
|
||||
<type>exe</type>
|
||||
<whitepaper>doc\smokeParticles.pdf</whitepaper>
|
||||
</entry>
|
||||
@@ -44,108 +44,116 @@ This file contains simple wrapper functions that call the CUDA kernels
|
||||
#include "particles_kernel_device.cuh"
|
||||
#include "ParticleSystem.cuh"
|
||||
|
||||
extern "C" {
|
||||
extern "C"
|
||||
{
|
||||
|
||||
cudaArray *noiseArray;
|
||||
cudaArray *noiseArray;
|
||||
|
||||
void setParameters(SimParams *hostParams) {
|
||||
// copy parameters to constant memory
|
||||
checkCudaErrors(cudaMemcpyToSymbol(params, hostParams, sizeof(SimParams)));
|
||||
}
|
||||
|
||||
// Round a / b to nearest higher integer value
|
||||
int iDivUp(int a, int b) { return (a % b != 0) ? (a / b + 1) : (a / b); }
|
||||
|
||||
// compute grid and thread block size for a given number of elements
|
||||
void computeGridSize(int n, int blockSize, int &numBlocks, int &numThreads) {
|
||||
numThreads = min(blockSize, n);
|
||||
numBlocks = iDivUp(n, numThreads);
|
||||
}
|
||||
|
||||
inline float frand() { return rand() / (float)RAND_MAX; }
|
||||
|
||||
// create 3D texture containing random values
|
||||
void createNoiseTexture(int w, int h, int d) {
|
||||
cudaExtent size = make_cudaExtent(w, h, d);
|
||||
size_t elements = size.width * size.height * size.depth;
|
||||
|
||||
float *volumeData = (float *)malloc(elements * 4 * sizeof(float));
|
||||
float *ptr = volumeData;
|
||||
|
||||
for (size_t i = 0; i < elements; i++) {
|
||||
*ptr++ = frand() * 2.0f - 1.0f;
|
||||
*ptr++ = frand() * 2.0f - 1.0f;
|
||||
*ptr++ = frand() * 2.0f - 1.0f;
|
||||
*ptr++ = frand() * 2.0f - 1.0f;
|
||||
void setParameters(SimParams *hostParams)
|
||||
{
|
||||
// copy parameters to constant memory
|
||||
checkCudaErrors(cudaMemcpyToSymbol(cudaParams, hostParams, sizeof(SimParams)));
|
||||
}
|
||||
|
||||
cudaChannelFormatDesc channelDesc = cudaCreateChannelDesc<float4>();
|
||||
checkCudaErrors(cudaMalloc3DArray(&noiseArray, &channelDesc, size));
|
||||
// Round a / b to nearest higher integer value
|
||||
int iDivUp(int a, int b) { return (a % b != 0) ? (a / b + 1) : (a / b); }
|
||||
|
||||
cudaMemcpy3DParms copyParams = {0};
|
||||
copyParams.srcPtr = make_cudaPitchedPtr(
|
||||
(void *)volumeData, size.width * sizeof(float4), size.width, size.height);
|
||||
copyParams.dstArray = noiseArray;
|
||||
copyParams.extent = size;
|
||||
copyParams.kind = cudaMemcpyHostToDevice;
|
||||
checkCudaErrors(cudaMemcpy3D(©Params));
|
||||
// compute grid and thread block size for a given number of elements
|
||||
void computeGridSize(int n, int blockSize, int &numBlocks, int &numThreads)
|
||||
{
|
||||
numThreads = min(blockSize, n);
|
||||
numBlocks = iDivUp(n, numThreads);
|
||||
}
|
||||
|
||||
free(volumeData);
|
||||
inline float frand() { return rand() / (float)RAND_MAX; }
|
||||
|
||||
cudaResourceDesc texRes;
|
||||
memset(&texRes, 0, sizeof(cudaResourceDesc));
|
||||
// create 3D texture containing random values
|
||||
void createNoiseTexture(int w, int h, int d)
|
||||
{
|
||||
cudaExtent size = make_cudaExtent(w, h, d);
|
||||
size_t elements = size.width * size.height * size.depth;
|
||||
|
||||
texRes.resType = cudaResourceTypeArray;
|
||||
texRes.res.array.array = noiseArray;
|
||||
float *volumeData = (float *)malloc(elements * 4 * sizeof(float));
|
||||
float *ptr = volumeData;
|
||||
|
||||
cudaTextureDesc texDescr;
|
||||
memset(&texDescr, 0, sizeof(cudaTextureDesc));
|
||||
for (size_t i = 0; i < elements; i++)
|
||||
{
|
||||
*ptr++ = frand() * 2.0f - 1.0f;
|
||||
*ptr++ = frand() * 2.0f - 1.0f;
|
||||
*ptr++ = frand() * 2.0f - 1.0f;
|
||||
*ptr++ = frand() * 2.0f - 1.0f;
|
||||
}
|
||||
|
||||
texDescr.normalizedCoords = true;
|
||||
texDescr.filterMode = cudaFilterModeLinear;
|
||||
texDescr.addressMode[0] = cudaAddressModeWrap;
|
||||
texDescr.addressMode[1] = cudaAddressModeWrap;
|
||||
texDescr.addressMode[2] = cudaAddressModeWrap;
|
||||
texDescr.readMode = cudaReadModeElementType;
|
||||
cudaChannelFormatDesc channelDesc = cudaCreateChannelDesc<float4>();
|
||||
checkCudaErrors(cudaMalloc3DArray(&noiseArray, &channelDesc, size));
|
||||
|
||||
checkCudaErrors(cudaCreateTextureObject(&noiseTex, &texRes, &texDescr, NULL));
|
||||
}
|
||||
cudaMemcpy3DParms copyParams = {0};
|
||||
copyParams.srcPtr = make_cudaPitchedPtr(
|
||||
(void *)volumeData, size.width * sizeof(float4), size.width, size.height);
|
||||
copyParams.dstArray = noiseArray;
|
||||
copyParams.extent = size;
|
||||
copyParams.kind = cudaMemcpyHostToDevice;
|
||||
checkCudaErrors(cudaMemcpy3D(©Params));
|
||||
|
||||
void integrateSystem(float4 *oldPos, float4 *newPos, float4 *oldVel,
|
||||
float4 *newVel, float deltaTime, int numParticles) {
|
||||
thrust::device_ptr<float4> d_newPos(newPos);
|
||||
thrust::device_ptr<float4> d_newVel(newVel);
|
||||
thrust::device_ptr<float4> d_oldPos(oldPos);
|
||||
thrust::device_ptr<float4> d_oldVel(oldVel);
|
||||
free(volumeData);
|
||||
|
||||
thrust::for_each(thrust::make_zip_iterator(thrust::make_tuple(
|
||||
d_newPos, d_newVel, d_oldPos, d_oldVel)),
|
||||
thrust::make_zip_iterator(thrust::make_tuple(
|
||||
d_newPos + numParticles, d_newVel + numParticles,
|
||||
d_oldPos + numParticles, d_oldVel + numParticles)),
|
||||
integrate_functor(deltaTime, noiseTex));
|
||||
}
|
||||
cudaResourceDesc texRes;
|
||||
memset(&texRes, 0, sizeof(cudaResourceDesc));
|
||||
|
||||
void calcDepth(float4 *pos,
|
||||
float *keys, // output
|
||||
uint *indices, // output
|
||||
float3 sortVector, int numParticles) {
|
||||
thrust::device_ptr<float4> d_pos(pos);
|
||||
thrust::device_ptr<float> d_keys(keys);
|
||||
thrust::device_ptr<uint> d_indices(indices);
|
||||
texRes.resType = cudaResourceTypeArray;
|
||||
texRes.res.array.array = noiseArray;
|
||||
|
||||
thrust::for_each(thrust::make_zip_iterator(thrust::make_tuple(d_pos, d_keys)),
|
||||
thrust::make_zip_iterator(thrust::make_tuple(
|
||||
d_pos + numParticles, d_keys + numParticles)),
|
||||
calcDepth_functor(sortVector));
|
||||
cudaTextureDesc texDescr;
|
||||
memset(&texDescr, 0, sizeof(cudaTextureDesc));
|
||||
|
||||
thrust::sequence(d_indices, d_indices + numParticles);
|
||||
}
|
||||
texDescr.normalizedCoords = true;
|
||||
texDescr.filterMode = cudaFilterModeLinear;
|
||||
texDescr.addressMode[0] = cudaAddressModeWrap;
|
||||
texDescr.addressMode[1] = cudaAddressModeWrap;
|
||||
texDescr.addressMode[2] = cudaAddressModeWrap;
|
||||
texDescr.readMode = cudaReadModeElementType;
|
||||
|
||||
void sortParticles(float *sortKeys, uint *indices, uint numParticles) {
|
||||
thrust::sort_by_key(thrust::device_ptr<float>(sortKeys),
|
||||
thrust::device_ptr<float>(sortKeys + numParticles),
|
||||
thrust::device_ptr<uint>(indices));
|
||||
}
|
||||
checkCudaErrors(cudaCreateTextureObject(&noiseTex, &texRes, &texDescr, NULL));
|
||||
}
|
||||
|
||||
} // extern "C"
|
||||
void integrateSystem(float4 *oldPos, float4 *newPos, float4 *oldVel,
|
||||
float4 *newVel, float deltaTime, int numParticles)
|
||||
{
|
||||
thrust::device_ptr<float4> d_newPos(newPos);
|
||||
thrust::device_ptr<float4> d_newVel(newVel);
|
||||
thrust::device_ptr<float4> d_oldPos(oldPos);
|
||||
thrust::device_ptr<float4> d_oldVel(oldVel);
|
||||
|
||||
thrust::for_each(thrust::make_zip_iterator(thrust::make_tuple(
|
||||
d_newPos, d_newVel, d_oldPos, d_oldVel)),
|
||||
thrust::make_zip_iterator(thrust::make_tuple(
|
||||
d_newPos + numParticles, d_newVel + numParticles,
|
||||
d_oldPos + numParticles, d_oldVel + numParticles)),
|
||||
integrate_functor(deltaTime, noiseTex));
|
||||
}
|
||||
|
||||
void calcDepth(float4 *pos,
|
||||
float *keys, // output
|
||||
uint *indices, // output
|
||||
float3 sortVector, int numParticles)
|
||||
{
|
||||
thrust::device_ptr<float4> d_pos(pos);
|
||||
thrust::device_ptr<float> d_keys(keys);
|
||||
thrust::device_ptr<uint> d_indices(indices);
|
||||
|
||||
thrust::for_each(thrust::make_zip_iterator(thrust::make_tuple(d_pos, d_keys)),
|
||||
thrust::make_zip_iterator(thrust::make_tuple(
|
||||
d_pos + numParticles, d_keys + numParticles)),
|
||||
calcDepth_functor(sortVector));
|
||||
|
||||
thrust::sequence(d_indices, d_indices + numParticles);
|
||||
}
|
||||
|
||||
void sortParticles(float *sortKeys, uint *indices, uint numParticles)
|
||||
{
|
||||
thrust::sort_by_key(thrust::device_ptr<float>(sortKeys),
|
||||
thrust::device_ptr<float>(sortKeys + numParticles),
|
||||
thrust::device_ptr<uint>(indices));
|
||||
}
|
||||
|
||||
} // extern "C"
|
||||
|
||||
@@ -1,136 +0,0 @@
|
||||
################################################################################
|
||||
# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions
|
||||
# are met:
|
||||
# * Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# * Redistributions in binary form must reproduce the above copyright
|
||||
# notice, this list of conditions and the following disclaimer in the
|
||||
# documentation and/or other materials provided with the distribution.
|
||||
# * Neither the name of NVIDIA CORPORATION nor the names of its
|
||||
# contributors may be used to endorse or promote products derived
|
||||
# from this software without specific prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
|
||||
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
||||
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||||
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
||||
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
#
|
||||
################################################################################
|
||||
#
|
||||
# findgllib.mk is used to find the necessary GL Libraries for specific distributions
|
||||
# this is supported on Mac OSX and Linux Platforms
|
||||
#
|
||||
################################################################################
|
||||
|
||||
# Determine OS platform and unix distribution
|
||||
ifeq ("$(TARGET_OS)","linux")
|
||||
# first search lsb_release
|
||||
DISTRO := $(shell lsb_release -i -s 2>/dev/null | tr "[:upper:]" "[:lower:]")
|
||||
ifeq ("$(DISTRO)","")
|
||||
# second search and parse /etc/issue
|
||||
DISTRO := $(shell awk '{print $$1}' /etc/issue | tr -d "[:space:]" | sed -e "/^$$/d" | tr "[:upper:]" "[:lower:]")
|
||||
# ensure data from /etc/issue is valid
|
||||
ifeq (,$(filter $(DISTRO),ubuntu fedora red rhel centos suse))
|
||||
DISTRO :=
|
||||
endif
|
||||
ifeq ("$(DISTRO)","")
|
||||
# third, we can search in /etc/os-release or /etc/{distro}-release
|
||||
DISTRO := $(shell awk '/ID/' /etc/*-release | sed 's/ID=//' | grep -v "VERSION" | grep -v "ID" | grep -v "DISTRIB")
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
|
||||
ifeq ("$(TARGET_OS)","linux")
|
||||
# $(info) >> findgllib.mk -> LINUX path <<<)
|
||||
# Each set of Linux Distros have different paths for where to find their OpenGL libraries reside
|
||||
UBUNTU = $(shell echo $(DISTRO) | grep -i ubuntu >/dev/null 2>&1; echo $$?)
|
||||
FEDORA = $(shell echo $(DISTRO) | grep -i fedora >/dev/null 2>&1; echo $$?)
|
||||
RHEL = $(shell echo $(DISTRO) | grep -i 'red\|rhel' >/dev/null 2>&1; echo $$?)
|
||||
CENTOS = $(shell echo $(DISTRO) | grep -i centos >/dev/null 2>&1; echo $$?)
|
||||
SUSE = $(shell echo $(DISTRO) | grep -i 'suse\|sles' >/dev/null 2>&1; echo $$?)
|
||||
KYLIN = $(shell echo $(DISTRO) | grep -i kylin >/dev/null 2>&1; echo $$?)
|
||||
ifeq ("$(UBUNTU)","0")
|
||||
ifeq ($(HOST_ARCH)-$(TARGET_ARCH),x86_64-armv7l)
|
||||
GLPATH := /usr/arm-linux-gnueabihf/lib
|
||||
GLLINK := -L/usr/arm-linux-gnueabihf/lib
|
||||
ifneq ($(TARGET_FS),)
|
||||
GLPATH += $(TARGET_FS)/usr/lib/arm-linux-gnueabihf
|
||||
GLLINK += -L$(TARGET_FS)/usr/lib/arm-linux-gnueabihf
|
||||
endif
|
||||
else ifeq ($(HOST_ARCH)-$(TARGET_ARCH),x86_64-aarch64)
|
||||
GLPATH := /usr/aarch64-linux-gnu/lib
|
||||
GLLINK := -L/usr/aarch64-linux-gnu/lib
|
||||
ifneq ($(TARGET_FS),)
|
||||
GLPATH += $(TARGET_FS)/usr/lib
|
||||
GLPATH += $(TARGET_FS)/usr/lib/aarch64-linux-gnu
|
||||
GLLINK += -L$(TARGET_FS)/usr/lib/aarch64-linux-gnu
|
||||
endif
|
||||
else ifeq ($(HOST_ARCH)-$(TARGET_ARCH),x86_64-ppc64le)
|
||||
GLPATH := /usr/powerpc64le-linux-gnu/lib
|
||||
GLLINK := -L/usr/powerpc64le-linux-gnu/lib
|
||||
else
|
||||
UBUNTU_PKG_NAME = $(shell which dpkg >/dev/null 2>&1 && dpkg -l 'nvidia-*' | grep '^ii' | awk '{print $$2}' | head -1)
|
||||
ifneq ("$(UBUNTU_PKG_NAME)","")
|
||||
GLPATH ?= /usr/lib/$(UBUNTU_PKG_NAME)
|
||||
GLLINK ?= -L/usr/lib/$(UBUNTU_PKG_NAME)
|
||||
endif
|
||||
|
||||
DFLT_PATH ?= /usr/lib
|
||||
endif
|
||||
endif
|
||||
|
||||
ifeq ("$(SUSE)","0")
|
||||
GLPATH ?= /usr/X11R6/lib64
|
||||
GLLINK ?= -L/usr/X11R6/lib64
|
||||
DFLT_PATH ?= /usr/lib64
|
||||
else
|
||||
GLPATH ?= /usr/lib64/nvidia
|
||||
GLLINK ?= -L/usr/lib64/nvidia
|
||||
DFLT_PATH ?= /usr/lib64
|
||||
endif
|
||||
|
||||
# find libGL, libGLU
|
||||
GLLIB := $(shell find -L $(GLPATH) $(DFLT_PATH) -name libGL.so -print 2>/dev/null)
|
||||
GLULIB := $(shell find -L $(GLPATH) $(DFLT_PATH) -name libGLU.so -print 2>/dev/null)
|
||||
|
||||
ifeq ("$(GLLIB)","")
|
||||
$(info >>> WARNING - libGL.so not found, refer to CUDA Getting Started Guide for how to find and install them. <<<)
|
||||
SAMPLE_ENABLED := 0
|
||||
endif
|
||||
ifeq ("$(GLULIB)","")
|
||||
$(info >>> WARNING - libGLU.so not found, refer to CUDA Getting Started Guide for how to find and install them. <<<)
|
||||
SAMPLE_ENABLED := 0
|
||||
endif
|
||||
|
||||
HEADER_SEARCH_PATH ?= $(TARGET_FS)/usr/include
|
||||
ifeq ($(HOST_ARCH)-$(TARGET_ARCH)-$(TARGET_OS),x86_64-armv7l-linux)
|
||||
HEADER_SEARCH_PATH += /usr/arm-linux-gnueabihf/include
|
||||
else ifeq ($(HOST_ARCH)-$(TARGET_ARCH)-$(TARGET_OS),x86_64-aarch64-linux)
|
||||
HEADER_SEARCH_PATH += /usr/aarch64-linux-gnu/include
|
||||
endif
|
||||
|
||||
GLHEADER := $(shell find -L $(HEADER_SEARCH_PATH) -name gl.h -print 2>/dev/null)
|
||||
GLUHEADER := $(shell find -L $(HEADER_SEARCH_PATH) -name glu.h -print 2>/dev/null)
|
||||
|
||||
ifeq ("$(GLHEADER)","")
|
||||
$(info >>> WARNING - gl.h not found, refer to CUDA Getting Started Guide for how to find and install them. <<<)
|
||||
SAMPLE_ENABLED := 0
|
||||
endif
|
||||
ifeq ("$(GLUHEADER)","")
|
||||
$(info >>> WARNING - glu.h not found, refer to CUDA Getting Started Guide for how to find and install them. <<<)
|
||||
SAMPLE_ENABLED := 0
|
||||
endif
|
||||
else
|
||||
# This would be the Mac OS X path if we had to do anything special
|
||||
endif
|
||||
|
||||
@@ -26,8 +26,8 @@
|
||||
*/
|
||||
|
||||
/*
|
||||
* CUDA Device code for particle simulation.
|
||||
*/
|
||||
* CUDA Device code for particle simulation.
|
||||
*/
|
||||
|
||||
#ifndef _PARTICLES_KERNEL_H_
|
||||
#define _PARTICLES_KERNEL_H_
|
||||
@@ -38,16 +38,18 @@
|
||||
|
||||
cudaTextureObject_t noiseTex;
|
||||
// simulation parameters
|
||||
__constant__ SimParams params;
|
||||
__constant__ SimParams cudaParams;
|
||||
|
||||
// look up in 3D noise texture
|
||||
__device__ float3 noise3D(float3 p, cudaTextureObject_t noiseTex) {
|
||||
__device__ float3 noise3D(float3 p, cudaTextureObject_t noiseTex)
|
||||
{
|
||||
float4 n = tex3D<float4>(noiseTex, p.x, p.y, p.z);
|
||||
return make_float3(n.x, n.y, n.z);
|
||||
}
|
||||
|
||||
// integrate particle attributes
|
||||
struct integrate_functor {
|
||||
struct integrate_functor
|
||||
{
|
||||
float deltaTime;
|
||||
cudaTextureObject_t noiseTex;
|
||||
|
||||
@@ -56,7 +58,8 @@ struct integrate_functor {
|
||||
: deltaTime(delta_time), noiseTex(noise_Tex) {}
|
||||
|
||||
template <typename Tuple>
|
||||
__device__ void operator()(Tuple t) {
|
||||
__device__ void operator()(Tuple t)
|
||||
{
|
||||
volatile float4 posData = thrust::get<2>(t);
|
||||
volatile float4 velData = thrust::get<3>(t);
|
||||
|
||||
@@ -67,24 +70,27 @@ struct integrate_functor {
|
||||
float age = posData.w;
|
||||
float lifetime = velData.w;
|
||||
|
||||
if (age < lifetime) {
|
||||
if (age < lifetime)
|
||||
{
|
||||
age += deltaTime;
|
||||
} else {
|
||||
}
|
||||
else
|
||||
{
|
||||
age = lifetime;
|
||||
}
|
||||
|
||||
// apply accelerations
|
||||
vel += params.gravity * deltaTime;
|
||||
vel += cudaParams.gravity * deltaTime;
|
||||
|
||||
// apply procedural noise
|
||||
float3 noise = noise3D(
|
||||
pos * params.noiseFreq + params.time * params.noiseSpeed, noiseTex);
|
||||
vel += noise * params.noiseAmp;
|
||||
pos * cudaParams.noiseFreq + cudaParams.time * cudaParams.noiseSpeed, noiseTex);
|
||||
vel += noise * cudaParams.noiseAmp;
|
||||
|
||||
// new position = old position + velocity * deltaTime
|
||||
pos += vel * deltaTime;
|
||||
|
||||
vel *= params.globalDamping;
|
||||
vel *= cudaParams.globalDamping;
|
||||
|
||||
// store new position and velocity
|
||||
thrust::get<0>(t) = make_float4(pos, age);
|
||||
@@ -92,17 +98,19 @@ struct integrate_functor {
|
||||
}
|
||||
};
|
||||
|
||||
struct calcDepth_functor {
|
||||
struct calcDepth_functor
|
||||
{
|
||||
float3 sortVector;
|
||||
|
||||
__host__ __device__ calcDepth_functor(float3 sort_vector)
|
||||
: sortVector(sort_vector) {}
|
||||
|
||||
template <typename Tuple>
|
||||
__host__ __device__ void operator()(Tuple t) {
|
||||
__host__ __device__ void operator()(Tuple t)
|
||||
{
|
||||
volatile float4 p = thrust::get<0>(t);
|
||||
float key = -dot(make_float3(p.x, p.y, p.z),
|
||||
sortVector); // project onto sort vector
|
||||
sortVector); // project onto sort vector
|
||||
thrust::get<1>(t) = key;
|
||||
}
|
||||
};
|
||||
|
||||
Reference in New Issue
Block a user