63 lines
1.7 KiB
Plaintext
63 lines
1.7 KiB
Plaintext
TARGET_EXEC := sim
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BUILD_DIR := ./build
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SRC_DIR := ./src
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INC_DIR := ./include
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SHADER_DIR := ./kernels
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SHADER_EXT := 'cl'
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# Find all the C and C++ files we want to compile
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SRCS := $(shell find $(SRC_DIR) -name '*.cpp')
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GLSLS := $(shell find $(SHADER_DIR) -name '*.cl')
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# Prepends BUILD_DIR and appends .o to every src file
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OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
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spirvs := $(glsls:%.$(shader_ext)=$(build_dir)/%.sphv)
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# String substitution (suffix version without %).
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DEPS := $(OBJS:.o=.d)
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# Every folder in ./include will need to be passed to GCC so that it can find header files
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INC_DIRS := $(shell find $(INC_DIR) -type d)
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# Add a prefix to INC_DIRS. So moduleA would become -ImoduleA. GCC understands this -I flag
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INC_FLAGS := $(addprefix -I,$(INC_DIRS))
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LIBS := OpenCL
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LDFLAGS := $(addprefix -l,$(LIBS))
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# The -MMD and -MP flags together generate Makefiles for us! we use c++ 26
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CPPFLAGS := -Wall -Wextra $(INC_FLAGS) -L/libs -MMD -MP -std=c++20
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#set flags for kernel compiling
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GPU_VENDOR := glxinfo | grep -E "OpenGL vendor | OpenGL renderer" | cut -d" " -f4
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ARCH := uname -m
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ifeq ($(GPU_VENDOR),"AMD")
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CLFLAGS := --target=amdgcn-amd-amdhsa -mcpu=gfx900
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else ifeq ($(GPU_VENDOR),"NVIDIA")
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CLFLAGS := --target=nvtpx64-unkown-unkown
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else ifeq ($(ARCH), "x86_64")
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CLFLAGS := --target=spirv64
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else
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CLFLAGS := --target=spirv32
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endif
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CXX := clang -v
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# The final build step.
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$(BUILD_DIR)/$(TARGET_EXEC): $(OBJS)
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$(CXX) $(OBJS) -o $@ $(LDFLAGS)
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# Build step for C++ source
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$(BUILD_DIR)/%.cpp.o: %.cpp $(SPIRVS)
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mkdir -p $(dir $@)
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@ $(LDFLAGS)
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#build the shaders
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$(BUILD_DIR)/%.spv: %.cl
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mkdir -p $(dir $@)
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$(CXX) $(CLFLAGS) -c $< -o $@
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run: $(BUILD_DIR)/$(TARGET_EXEC)
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./$(BUILD_DIR)/$(TARGET_EXEC)
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