OCLH_PATH ?= ~/opt/oclh
IPR_PATH  ?= ~/opt/iterative_point_recovery
OPENCL_INCLUDES := -I /usr/local/cuda/include \
                   -I /opt/intel/system_studio_2020/opencl-sdk/include/CL
TARGETDIR := build
RM        := rm -rf
CC        := gcc
CFLAGS    := -xc -std=c11 -pedantic -Wall -Wextra -Wconversion
INCLUDES  := -I $(IPR_PATH)/include_hd
LIBRARIES := -L $(IPR_PATH)/lib
LIBS      := -lIterPntRcv
OUTPUT_C11:= $(TARGETDIR)/ptrc_example-c11
DEFS      := -D_PTRC_TS_VERBOSE_MODE
MODEFLAGS := -O3

GPGPU_DEV_IDX   ?= 0
OCL_DEV_NAME    := $(shell $(OCLH_PATH)/bin/oclh_getDevNameByIndex $(GPGPU_DEV_IDX))
OCL_CR          := $(OCLH_PATH)/bin/oclh_cr
OCL_LR          := $(OCLH_PATH)/bin/oclh_lr
OCL_CFLAGS      := -cl-std=CL1.2 -Werror
OCL_INCLUDES    := -I $(IPR_PATH)/include_hd \
                   -I $(OCLH_PATH)/include/include_d \
                   -I $(OCLH_PATH)/include/include_hd
OCL_OBJ         := $(TARGETDIR)/point_recovery_kernel-$(OCL_DEV_NAME).clo
OCL_OUTPUT      := point_recovery_kernel-$(OCL_DEV_NAME).clexe
OCL_RT_OUTPUT   := $(TARGETDIR)/ptrc_example-ocl
OCL_RT_INCLUDES := -I $(OCLH_PATH)/include/include_h \
                   -I $(OCLH_PATH)/include/include_hd \
                   $(OPENCL_INCLUDES)
OCL_MODEFLAGS   :=
OCL_RT_LIBRARIES:= -L $(OCLH_PATH)/lib -L $(IPR_PATH)/lib
OCL_RT_LIBS     := -loclh -lOpenCL

c11_debug: MODEFLAGS := -O0 -g
c11_debug: c11
opencl_debug: MODEFLAGS := -O0 -g
# the next string is acceptable for OpenCL v2.2 and higher only
# opencl_debug: OCL_MODEFLAGS := -cl-opt-disable -g
opencl_debug: opencl
c11:
	mkdir -p $(TARGETDIR) ; \
	$(CC) $(CFLAGS) $(INCLUDES) $(LIBRARIES) $(LIBS) $(DEFS) $(MODEFLAGS) \
	-o $(OUTPUT_C11) point_recovery-C11.c
opencl:
	mkdir -p $(TARGETDIR) ; \
	$(OCL_CR) --dev-idxs=$(GPGPU_DEV_IDX) $(OCL_CFLAGS) $(OCL_INCLUDES) \
	$(DEFS) $(OCL_MODEFLAGS) --verbatim-output-name -o "$(OCL_OBJ)" \
	point_recovery_kernel.clc
	$(OCL_LR) --dev-idxs=$(GPGPU_DEV_IDX) $(OCL_MODEFLAGS) \
	--verbatim-output-name -o $(TARGETDIR)/$(OCL_OUTPUT) \
	$(OCL_OBJ) $(IPR_PATH)/lib/libIterPntRcv-$(OCL_DEV_NAME).clso
	$(CC) $(CFLAGS) $(OCL_RT_INCLUDES) $(OCL_RT_LIBRARIES) $(OCL_RT_LIBS) \
	-DOCL_DEV_IDX=$(GPGPU_DEV_IDX) -DOCLExecFileName="\"$(OCL_OUTPUT)\"" \
	$(MODEFLAGS) -o $(OCL_RT_OUTPUT)-$(OCL_DEV_NAME) point_recovery-OpenCL.c
clean:
	$(RM) \
	$(OUTPUT_C11) $(OCL_RT_OUTPUT)* \
	$(TARGETDIR)/*.clo $(TARGETDIR)/*.clexe \
	$(TARGETDIR)/*.log *.log