3DMotorRayTracing/Makefile.cpu at main · P-Pix/3DMotorRayTracing · GitHub

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# CPU-only Ray Tracing Engine Makefile

CXX = g++
CXXFLAGS = -std=c++17 -Wall -Wextra -O3 -pthread
INCLUDES = -Iinclude

# Directories
SRCDIR = src
INCDIR = include
BUILDDIR = build
OBJDIR = $(BUILDDIR)/obj

# Source files for CPU version (excluding OpenGL files)
CPU_SOURCES = $(SRCDIR)/Vector3.cpp $(SRCDIR)/Color.cpp $(SRCDIR)/Ray.cpp \
              $(SRCDIR)/Material.cpp $(SRCDIR)/Sphere.cpp $(SRCDIR)/Plane.cpp \
              $(SRCDIR)/Scene.cpp $(SRCDIR)/Camera.cpp $(SRCDIR)/Renderer.cpp \
              $(SRCDIR)/ImageWriter.cpp $(SRCDIR)/main_cpu.cpp

COMPLEX_SOURCES = $(SRCDIR)/Vector3.cpp $(SRCDIR)/Color.cpp $(SRCDIR)/Ray.cpp \
                  $(SRCDIR)/Material.cpp $(SRCDIR)/Sphere.cpp $(SRCDIR)/Plane.cpp \
                  $(SRCDIR)/Scene.cpp $(SRCDIR)/Camera.cpp $(SRCDIR)/Renderer.cpp \
                  $(SRCDIR)/ImageWriter.cpp $(SRCDIR)/complex_scene.cpp

CPU_OBJECTS = $(CPU_SOURCES:$(SRCDIR)/%.cpp=$(OBJDIR)/%.o)
COMPLEX_OBJECTS = $(COMPLEX_SOURCES:$(SRCDIR)/%.cpp=$(OBJDIR)/%.o)

# Target executables
CPU_TARGET = $(BUILDDIR)/raytracer_cpu
COMPLEX_TARGET = $(BUILDDIR)/complex_scene

# Default target
all: $(CPU_TARGET)

# Create build directories
$(BUILDDIR):
	mkdir -p $(BUILDDIR)

$(OBJDIR):
	mkdir -p $(OBJDIR)

# Compile object files
$(OBJDIR)/%.o: $(SRCDIR)/%.cpp | $(OBJDIR)
	$(CXX) $(CXXFLAGS) $(INCLUDES) -c $< -o $@

# Link CPU executable
$(CPU_TARGET): $(CPU_OBJECTS) | $(BUILDDIR)
	$(CXX) $(CPU_OBJECTS) -o $@ -pthread
	@echo "CPU Ray Tracer build complete: $(CPU_TARGET)"

# Link Complex Scene executable
$(COMPLEX_TARGET): $(COMPLEX_OBJECTS) | $(BUILDDIR)
	$(CXX) $(COMPLEX_OBJECTS) -o $@ -pthread
	@echo "Complex Scene build complete: $(COMPLEX_TARGET)"

# Run the CPU ray tracer
run: $(CPU_TARGET)
	./$(CPU_TARGET)

# Run with multiple angles
run-multiple: $(CPU_TARGET)
	./$(CPU_TARGET) --multiple

# Run complex scene
complex: $(COMPLEX_TARGET)
	./$(COMPLEX_TARGET)

# Build all targets
all-targets: $(CPU_TARGET) $(COMPLEX_TARGET)

# Debug build
debug: CXXFLAGS = -std=c++17 -Wall -Wextra -g -pthread -DDEBUG
debug: $(CPU_TARGET)

# Clean build files
clean:
	rm -rf $(BUILDDIR)
	rm -f *.ppm
	rm -rf output
	@echo "Clean complete"

# Performance test (lower samples for speed)
test-perf: CXXFLAGS += -DLOW_SAMPLES
test-perf: $(CPU_TARGET)
	@echo "Running performance test..."
	time ./$(CPU_TARGET)

# Help
help:
	@echo "Available targets:"
	@echo "  all          - Build the CPU ray tracer (default)"
	@echo "  run          - Build and run the ray tracer"
	@echo "  run-multiple - Build and run with multiple camera angles"
	@echo "  complex      - Build and run complex scene renderer"
	@echo "  all-targets  - Build all executables"
	@echo "  debug        - Build with debug symbols"
	@echo "  test-perf    - Run performance test"
	@echo "  clean        - Remove build files and images"
	@echo "  help         - Show this help message"

.PHONY: all run run-multiple complex all-targets debug test-perf clean help