# This file isn't used during a normal compilation since we don't want to
# require Python in order to compile Mesa.
# Instead, when the Mesa developers update/change the API interface it's
# up to him/her to re-run this makefile and check in the newly generated files.


TOP = ../../../..
include $(TOP)/configs/current

MESA_DIR = $(TOP)/src/mesa
MESA_GLAPI_DIR = $(TOP)/src/mapi/glapi
MESA_GLX_DIR = $(TOP)/src/glx

MESA_GLAPI_OUTPUTS = \
	$(MESA_GLAPI_DIR)/glprocs.h \
	$(MESA_GLAPI_DIR)/glapitemp.h \
	$(MESA_GLAPI_DIR)/glapitable.h

MESA_GLAPI_ASM_OUTPUTS = \
	$(MESA_GLAPI_DIR)/glapi_x86.S \
	$(MESA_GLAPI_DIR)/glapi_x86-64.S \
	$(MESA_GLAPI_DIR)/glapi_sparc.S

MESA_OUTPUTS = \
	$(MESA_GLAPI_OUTPUTS) \
	$(MESA_GLAPI_ASM_OUTPUTS) \
	$(MESA_DIR)/main/enums.c \
	$(MESA_DIR)/main/glapidispatch.h \
	$(MESA_DIR)/main/remap_helper.h \
	$(MESA_GLX_DIR)/indirect.c \
	$(MESA_GLX_DIR)/indirect.h \
	$(MESA_GLX_DIR)/indirect_init.c \
	$(MESA_GLX_DIR)/indirect_size.h \
	$(MESA_GLX_DIR)/indirect_size.c

######################################################################

XORG_GLX_DIR = $(XORG_BASE)/glx
XORG_GLAPI_DIR = $(XORG_BASE)/glx

XORG_GLAPI_FILES = \
	$(XORG_GLAPI_DIR)/glapi.h \
	$(XORG_GLAPI_DIR)/glapi.c \
	$(XORG_GLAPI_DIR)/glapi_getproc.c \
	$(XORG_GLAPI_DIR)/glapi_nop.c \
	$(XORG_GLAPI_DIR)/glthread.c \
	$(XORG_GLAPI_DIR)/glthread.h

XORG_GLAPI_OUTPUTS = \
	$(XORG_GLAPI_DIR)/glprocs.h \
	$(XORG_GLAPI_DIR)/glapitemp.h \
	$(XORG_GLAPI_DIR)/glapioffsets.h \
	$(XORG_GLAPI_DIR)/glapitable.h \
	$(XORG_GLAPI_DIR)/glapidispatch.h

XORG_OUTPUTS = \
	$(XORG_GLAPI_FILES) \
	$(XORG_GLAPI_OUTPUTS) \
	$(XORG_GLX_DIR)/indirect_dispatch.c \
	$(XORG_GLX_DIR)/indirect_dispatch_swap.c \
	$(XORG_GLX_DIR)/indirect_dispatch.h \
	$(XORG_GLX_DIR)/indirect_reqsize.c \
	$(XORG_GLX_DIR)/indirect_reqsize.h \
	$(XORG_GLX_DIR)/indirect_size.h \
	$(XORG_GLX_DIR)/indirect_size_get.c \
	$(XORG_GLX_DIR)/indirect_size_get.h \
	$(XORG_GLX_DIR)/indirect_table.c

######################################################################

API_XML = \
	gl_API.xml \
	ARB_copy_buffer.xml \
	ARB_depth_clamp.xml \
	ARB_draw_buffers_blend.xml \
	ARB_draw_elements_base_vertex.xml \
	ARB_draw_instanced.xml \
	ARB_ES2_compatibility.xml \
	ARB_framebuffer_object.xml \
	ARB_geometry_shader4.xml \
	ARB_instanced_arrays.xml \
	ARB_map_buffer_range.xml \
	ARB_seamless_cube_map.xml \
	ARB_sync.xml \
	ARB_vertex_array_object.xml \
	APPLE_object_purgeable.xml \
	APPLE_vertex_array_object.xml \
	EXT_draw_buffers2.xml \
	EXT_framebuffer_object.xml \
	EXT_gpu_shader4.xml \
	EXT_packed_depth_stencil.xml \
	EXT_provoking_vertex.xml \
	EXT_separate_shader_objects.xml \
	EXT_texture_array.xml \
	EXT_texture_integer.xml \
	EXT_transform_feedback.xml \
	NV_conditional_render.xml \
	NV_primitive_restart.xml \
	OES_EGL_image.xml \
	GL3x.xml


COMMON = $(API_XML) gl_XML.py glX_XML.py license.py typeexpr.py

COMMON_ES = \
	$(COMMON) \
	gl_and_es_API.xml \
	es_EXT.xml \
	ARB_ES2_compatibility.xml \
	ARB_get_program_binary.xml \
	OES_fixed_point.xml \
	OES_single_precision.xml

COMMON_GLX = $(COMMON) glX_API.xml glX_XML.py glX_proto_common.py

######################################################################

all: mesa xorg

mesa: $(MESA_OUTPUTS)

xorg: check-xorg-source $(XORG_OUTPUTS)

check-xorg-source:
	@if ! test -d $(XORG_GLX_DIR); then \
		echo "ERROR: Must specify path to xserver/GL/ checkout; set XORG_BASE env var."; \
		exit 1; \
	fi

clean:
	-rm -f *~ *.pyo
	-rm -f $(MESA_OUTPUTS)

######################################################################

$(XORG_GLAPI_DIR)/%.c: $(MESA_GLAPI_DIR)/%.c
	cp $< $@

$(XORG_GLAPI_DIR)/%.h: $(MESA_GLAPI_DIR)/%.h
	cp $< $@

######################################################################

$(MESA_GLAPI_DIR)/glprocs.h: gl_procs.py $(COMMON)
	$(PYTHON2) $(PYTHON_FLAGS) $< > $@

$(MESA_GLAPI_DIR)/glapitemp.h: gl_apitemp.py $(COMMON)
	$(PYTHON2) $(PYTHON_FLAGS) $< > $@

$(MESA_GLAPI_DIR)/glapitable.h: gl_table.py $(COMMON)
	$(PYTHON2) $(PYTHON_FLAGS) $< > $@

######################################################################

$(MESA_GLAPI_DIR)/glapi_x86.S: gl_x86_asm.py $(COMMON)
	$(PYTHON2) $(PYTHON_FLAGS) $< > $@

$(MESA_GLAPI_DIR)/glapi_x86-64.S: gl_x86-64_asm.py $(COMMON)
	$(PYTHON2) $(PYTHON_FLAGS) $< > $@

$(MESA_GLAPI_DIR)/glapi_sparc.S: gl_SPARC_asm.py $(COMMON)
	$(PYTHON2) $(PYTHON_FLAGS) $< > $@

######################################################################

$(MESA_DIR)/main/enums.c: gl_enums.py $(COMMON) $(ES_API)
	$(PYTHON2) $(PYTHON_FLAGS) $< -f gl_API.xml \
		-f $(MESA_GLAPI_DIR)/gen-es/es1_API.xml \
		-f $(MESA_GLAPI_DIR)/gen-es/es2_API.xml > $@

$(MESA_DIR)/main/glapidispatch.h: gl_table.py $(COMMON)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m remap_table > $@

$(MESA_DIR)/main/remap_helper.h: remap_helper.py $(COMMON)
	$(PYTHON2) $(PYTHON_FLAGS) $< > $@

######################################################################

$(MESA_GLX_DIR)/indirect.c: glX_proto_send.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m proto | $(INDENT) $(INDENT_FLAGS) > $@

$(MESA_GLX_DIR)/indirect.h: glX_proto_send.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m init_h > $@

$(MESA_GLX_DIR)/indirect_init.c: glX_proto_send.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m init_c > $@

$(MESA_GLX_DIR)/indirect_size.h $(XORG_GLX_DIR)/indirect_size.h: glX_proto_size.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m size_h --only-set -h _INDIRECT_SIZE_H_ \
	  | $(INDENT) $(INDENT_FLAGS) > $@

$(MESA_GLX_DIR)/indirect_size.c: glX_proto_size.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m size_c --only-set \
	  | $(INDENT) $(INDENT_FLAGS) > $@

######################################################################

$(XORG_GLX_DIR)/indirect_dispatch.c: glX_proto_recv.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m dispatch_c > $@

$(XORG_GLX_DIR)/indirect_dispatch_swap.c: glX_proto_recv.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m dispatch_c -s > $@

$(XORG_GLX_DIR)/indirect_dispatch.h: glX_proto_recv.py gl_and_glX_API.xml $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m dispatch_h -f gl_and_glX_API.xml -s > $@

$(XORG_GLX_DIR)/indirect_size_get.h: glX_proto_size.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m size_h --only-get -h '_INDIRECT_SIZE_GET_H_' \
	  | $(INDENT) $(INDENT_FLAGS) > $@

$(XORG_GLX_DIR)/indirect_size_get.c: glX_proto_size.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m size_c | $(INDENT) $(INDENT_FLAGS) > $@

$(XORG_GLX_DIR)/indirect_reqsize.h: glX_proto_size.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m reqsize_h --only-get -h '_INDIRECT_SIZE_GET_H_' \
	  | $(INDENT) $(INDENT_FLAGS) -l200 > $@

$(XORG_GLX_DIR)/indirect_reqsize.c: glX_proto_size.py $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -m reqsize_c | $(INDENT) $(INDENT_FLAGS) > $@

$(XORG_GLX_DIR)/indirect_table.c: glX_server_table.py gl_and_glX_API.xml $(COMMON_GLX)
	$(PYTHON2) $(PYTHON_FLAGS) $< -f gl_and_glX_API.xml > $@