176 lines
6 KiB
Python
176 lines
6 KiB
Python
"""Functions used to generate source files during build time"""
|
|
|
|
import os.path
|
|
|
|
from methods import generated_wrapper, print_error, to_raw_cstring
|
|
|
|
|
|
class RDHeaderStruct:
|
|
def __init__(self):
|
|
self.vertex_lines = []
|
|
self.fragment_lines = []
|
|
self.compute_lines = []
|
|
|
|
self.vertex_included_files = []
|
|
self.fragment_included_files = []
|
|
self.compute_included_files = []
|
|
|
|
self.reading = ""
|
|
self.line_offset = 0
|
|
self.vertex_offset = 0
|
|
self.fragment_offset = 0
|
|
self.compute_offset = 0
|
|
|
|
|
|
def include_file_in_rd_header(filename: str, header_data: RDHeaderStruct, depth: int) -> RDHeaderStruct:
|
|
with open(filename, "r", encoding="utf-8") as fs:
|
|
line = fs.readline()
|
|
|
|
while line:
|
|
index = line.find("//")
|
|
if index != -1:
|
|
line = line[:index]
|
|
|
|
if line.find("#[vertex]") != -1:
|
|
header_data.reading = "vertex"
|
|
line = fs.readline()
|
|
header_data.line_offset += 1
|
|
header_data.vertex_offset = header_data.line_offset
|
|
continue
|
|
|
|
if line.find("#[fragment]") != -1:
|
|
header_data.reading = "fragment"
|
|
line = fs.readline()
|
|
header_data.line_offset += 1
|
|
header_data.fragment_offset = header_data.line_offset
|
|
continue
|
|
|
|
if line.find("#[compute]") != -1:
|
|
header_data.reading = "compute"
|
|
line = fs.readline()
|
|
header_data.line_offset += 1
|
|
header_data.compute_offset = header_data.line_offset
|
|
continue
|
|
|
|
while line.find("#include ") != -1:
|
|
includeline = line.replace("#include ", "").strip()[1:-1]
|
|
|
|
if includeline.startswith("thirdparty/"):
|
|
included_file = os.path.relpath(includeline)
|
|
|
|
else:
|
|
included_file = os.path.relpath(os.path.dirname(filename) + "/" + includeline)
|
|
|
|
if included_file not in header_data.vertex_included_files and header_data.reading == "vertex":
|
|
header_data.vertex_included_files += [included_file]
|
|
if include_file_in_rd_header(included_file, header_data, depth + 1) is None:
|
|
print_error(f'In file "{filename}": #include "{includeline}" could not be found!"')
|
|
elif included_file not in header_data.fragment_included_files and header_data.reading == "fragment":
|
|
header_data.fragment_included_files += [included_file]
|
|
if include_file_in_rd_header(included_file, header_data, depth + 1) is None:
|
|
print_error(f'In file "{filename}": #include "{includeline}" could not be found!"')
|
|
elif included_file not in header_data.compute_included_files and header_data.reading == "compute":
|
|
header_data.compute_included_files += [included_file]
|
|
if include_file_in_rd_header(included_file, header_data, depth + 1) is None:
|
|
print_error(f'In file "{filename}": #include "{includeline}" could not be found!"')
|
|
|
|
line = fs.readline()
|
|
|
|
line = line.replace("\r", "").replace("\n", "")
|
|
|
|
if header_data.reading == "vertex":
|
|
header_data.vertex_lines += [line]
|
|
if header_data.reading == "fragment":
|
|
header_data.fragment_lines += [line]
|
|
if header_data.reading == "compute":
|
|
header_data.compute_lines += [line]
|
|
|
|
line = fs.readline()
|
|
header_data.line_offset += 1
|
|
|
|
return header_data
|
|
|
|
|
|
def build_rd_header(filename: str, shader: str) -> None:
|
|
include_file_in_rd_header(shader, header_data := RDHeaderStruct(), 0)
|
|
class_name = os.path.basename(shader).replace(".glsl", "").title().replace("_", "").replace(".", "") + "ShaderRD"
|
|
|
|
with generated_wrapper(filename) as file:
|
|
file.write(f"""\
|
|
#include "servers/rendering/renderer_rd/shader_rd.h"
|
|
|
|
class {class_name} : public ShaderRD {{
|
|
public:
|
|
{class_name}() {{
|
|
""")
|
|
|
|
if header_data.compute_lines:
|
|
file.write(f"""\
|
|
static const char *_vertex_code = nullptr;
|
|
static const char *_fragment_code = nullptr;
|
|
static const char _compute_code[] = {{
|
|
{to_raw_cstring(header_data.compute_lines)}
|
|
}};
|
|
""")
|
|
else:
|
|
file.write(f"""\
|
|
static const char _vertex_code[] = {{
|
|
{to_raw_cstring(header_data.vertex_lines)}
|
|
}};
|
|
static const char _fragment_code[] = {{
|
|
{to_raw_cstring(header_data.fragment_lines)}
|
|
}};
|
|
static const char *_compute_code = nullptr;
|
|
""")
|
|
|
|
file.write(f"""\
|
|
setup(_vertex_code, _fragment_code, _compute_code, "{class_name}");
|
|
}}
|
|
}};
|
|
""")
|
|
|
|
|
|
def build_rd_headers(target, source, env):
|
|
env.NoCache(target)
|
|
for src in source:
|
|
build_rd_header(f"{src}.gen.h", str(src))
|
|
|
|
|
|
class RAWHeaderStruct:
|
|
def __init__(self):
|
|
self.code = ""
|
|
|
|
|
|
def include_file_in_raw_header(filename: str, header_data: RAWHeaderStruct, depth: int) -> None:
|
|
with open(filename, "r", encoding="utf-8") as fs:
|
|
line = fs.readline()
|
|
|
|
while line:
|
|
while line.find("#include ") != -1:
|
|
includeline = line.replace("#include ", "").strip()[1:-1]
|
|
|
|
included_file = os.path.relpath(os.path.dirname(filename) + "/" + includeline)
|
|
include_file_in_raw_header(included_file, header_data, depth + 1)
|
|
|
|
line = fs.readline()
|
|
|
|
header_data.code += line
|
|
line = fs.readline()
|
|
|
|
|
|
def build_raw_header(filename: str, shader: str) -> None:
|
|
include_file_in_raw_header(shader, header_data := RAWHeaderStruct(), 0)
|
|
|
|
with generated_wrapper(filename) as file:
|
|
file.write(f"""\
|
|
static const char {os.path.basename(shader).replace(".glsl", "_shader_glsl")}[] = {{
|
|
{to_raw_cstring(header_data.code)}
|
|
}};
|
|
""")
|
|
|
|
|
|
def build_raw_headers(target, source, env):
|
|
env.NoCache(target)
|
|
for src in source:
|
|
build_raw_header(f"{src}.gen.h", str(src))
|