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108 lines (87 loc) · 2.56 KB
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# Makefile — CUDA PPM Image Processing Library
# Location: project root
#
# Binaries:
# bin/imgtool - CUDA image processing CLI
# bin/ppmtest - PPM I/O test
#
# Directory layout:
# src/
# main.cpp (CLI driver)
# ppmtest.cpp (PPM test)
# ppm.h ppm.cpp
# imgcuda.h imgcuda.cu
# imgreference.cpp
#
# Build:
# make
# make ppmtest
# make clean
CXX := g++
NVCC := nvcc
# ---------------- configuration ----------------
CXXSTD := -std=c++17
OPT := -O2
WARN := -Wall -Wextra -Wpedantic -Werror
# Set CUDA architecture (override at command line if needed)
# Examples:
# A100: 80 A40: 86 RTX 4090: 86
CUDA_ARCH ?= 80
CXXFLAGS := $(OPT) $(CXXSTD) $(WARN)
NVCCFLAGS := $(OPT) --std=c++17 -arch=sm_$(CUDA_ARCH)
# ---------------- directories ------------------
SRC_DIR := src
OBJ_DIR := build
BIN_DIR := bin
# ---------------- targets ----------------------
IMGTOOL := $(BIN_DIR)/imgtool
PPMTEST := $(BIN_DIR)/ppmtest
# ---------------- source files -----------------
IMGTOOL_CPP := \
$(SRC_DIR)/main.cpp \
$(SRC_DIR)/ppm.cpp \
$(SRC_DIR)/imgreference.cpp
IMGTOOL_CU := \
$(SRC_DIR)/imgcuda.cu
PPMTEST_CPP := \
$(SRC_DIR)/ppmtest.cpp \
$(SRC_DIR)/ppm.cpp
# ---------------- object files -----------------
IMGTOOL_CPP_OBJ := $(patsubst $(SRC_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(IMGTOOL_CPP))
IMGTOOL_CU_OBJ := $(patsubst $(SRC_DIR)/%.cu,$(OBJ_DIR)/%.o,$(IMGTOOL_CU))
PPMTEST_CPP_OBJ := $(patsubst $(SRC_DIR)/%.cpp,$(OBJ_DIR)/%.o,$(PPMTEST_CPP))
# ---------------- default rule -----------------
.PHONY: all
all: $(IMGTOOL)
# ---------------- directory rules --------------
$(OBJ_DIR) $(BIN_DIR):
mkdir -p $@
# ---------------- compile rules ----------------
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp | $(OBJ_DIR)
$(CXX) $(CXXFLAGS) -c $< -o $@
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cu | $(OBJ_DIR)
$(NVCC) $(NVCCFLAGS) -c $< -o $@
# ---------------- link rules -------------------
# Link imgtool with nvcc to pull in CUDA runtime
$(IMGTOOL): $(IMGTOOL_CPP_OBJ) $(IMGTOOL_CU_OBJ) | $(BIN_DIR)
$(NVCC) $(NVCCFLAGS) $^ -o $@
# PPM test is CPU-only
$(PPMTEST): $(PPMTEST_CPP_OBJ) | $(BIN_DIR)
$(CXX) $(CXXFLAGS) $^ -o $@
# ---------------- convenience targets ----------
.PHONY: ppmtest
ppmtest: $(PPMTEST)
.PHONY: test
test: $(IMGTOOL)
@echo "Example:"
@echo " ./bin/imgtool tests/in.ppm tests/out.ppm --filter grayscale --verify"
.PHONY: clean
clean:
rm -rf $(OBJ_DIR) $(BIN_DIR)
.PHONY: vars
vars:
@echo "CXX = $(CXX)"
@echo "NVCC = $(NVCC)"
@echo "CUDA_ARCH = $(CUDA_ARCH)"
@echo "CXXFLAGS = $(CXXFLAGS)"
@echo "NVCCFLAGS = $(NVCCFLAGS)"