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216 lines
7.0 KiB
Python
216 lines
7.0 KiB
Python
"""Functions used to generate source files during build time
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All such functions are invoked in a subprocess on Windows to prevent build flakiness.
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"""
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from platform_methods import subprocess_main
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class RDHeaderStruct:
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def __init__(self):
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self.vertex_lines = []
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self.fragment_lines = []
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self.compute_lines = []
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self.vertex_included_files = []
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self.fragment_included_files = []
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self.compute_included_files = []
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self.reading = ""
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self.line_offset = 0
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self.vertex_offset = 0
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self.fragment_offset = 0
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self.compute_offset = 0
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def include_file_in_rd_header(filename, header_data, depth):
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fs = open(filename, "r")
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line = fs.readline()
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while line:
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if line.find("#[vertex]") != -1:
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header_data.reading = "vertex"
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line = fs.readline()
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header_data.line_offset += 1
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header_data.vertex_offset = header_data.line_offset
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continue
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if line.find("#[fragment]") != -1:
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header_data.reading = "fragment"
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line = fs.readline()
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header_data.line_offset += 1
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header_data.fragment_offset = header_data.line_offset
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continue
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if line.find("#[compute]") != -1:
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header_data.reading = "compute"
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line = fs.readline()
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header_data.line_offset += 1
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header_data.compute_offset = header_data.line_offset
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continue
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while line.find("#include ") != -1:
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includeline = line.replace("#include ", "").strip()[1:-1]
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import os.path
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included_file = os.path.relpath(os.path.dirname(filename) + "/" + includeline)
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if not included_file in header_data.vertex_included_files and header_data.reading == "vertex":
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header_data.vertex_included_files += [included_file]
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if include_file_in_rd_header(included_file, header_data, depth + 1) is None:
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print("Error in file '" + filename + "': #include " + includeline + "could not be found!")
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elif not included_file in header_data.fragment_included_files and header_data.reading == "fragment":
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header_data.fragment_included_files += [included_file]
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if include_file_in_rd_header(included_file, header_data, depth + 1) is None:
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print("Error in file '" + filename + "': #include " + includeline + "could not be found!")
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elif not included_file in header_data.compute_included_files and header_data.reading == "compute":
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header_data.compute_included_files += [included_file]
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if include_file_in_rd_header(included_file, header_data, depth + 1) is None:
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print("Error in file '" + filename + "': #include " + includeline + "could not be found!")
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line = fs.readline()
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line = line.replace("\r", "")
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line = line.replace("\n", "")
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if header_data.reading == "vertex":
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header_data.vertex_lines += [line]
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if header_data.reading == "fragment":
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header_data.fragment_lines += [line]
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if header_data.reading == "compute":
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header_data.compute_lines += [line]
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line = fs.readline()
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header_data.line_offset += 1
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fs.close()
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return header_data
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def build_rd_header(filename):
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header_data = RDHeaderStruct()
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include_file_in_rd_header(filename, header_data, 0)
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out_file = filename + ".gen.h"
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fd = open(out_file, "w")
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fd.write("/* WARNING, THIS FILE WAS GENERATED, DO NOT EDIT */\n")
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out_file_base = out_file
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out_file_base = out_file_base[out_file_base.rfind("/") + 1 :]
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out_file_base = out_file_base[out_file_base.rfind("\\") + 1 :]
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out_file_ifdef = out_file_base.replace(".", "_").upper()
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fd.write("#ifndef " + out_file_ifdef + "_RD\n")
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fd.write("#define " + out_file_ifdef + "_RD\n")
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out_file_class = out_file_base.replace(".glsl.gen.h", "").title().replace("_", "").replace(".", "") + "ShaderRD"
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fd.write("\n")
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fd.write('#include "servers/rendering/renderer_rd/shader_rd.h"\n\n')
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fd.write("class " + out_file_class + " : public ShaderRD {\n\n")
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fd.write("public:\n\n")
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fd.write("\t" + out_file_class + "() {\n\n")
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if len(header_data.compute_lines):
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fd.write("\t\tstatic const char _compute_code[] = {\n")
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for x in header_data.compute_lines:
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for c in x:
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fd.write(str(ord(c)) + ",")
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fd.write(str(ord("\n")) + ",")
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fd.write("\t\t0};\n\n")
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fd.write('\t\tsetup(nullptr, nullptr, _compute_code, "' + out_file_class + '");\n')
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fd.write("\t}\n")
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else:
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fd.write("\t\tstatic const char _vertex_code[] = {\n")
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for x in header_data.vertex_lines:
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for c in x:
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fd.write(str(ord(c)) + ",")
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fd.write(str(ord("\n")) + ",")
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fd.write("\t\t0};\n\n")
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fd.write("\t\tstatic const char _fragment_code[]={\n")
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for x in header_data.fragment_lines:
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for c in x:
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fd.write(str(ord(c)) + ",")
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fd.write(str(ord("\n")) + ",")
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fd.write("\t\t0};\n\n")
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fd.write('\t\tsetup(_vertex_code, _fragment_code, nullptr, "' + out_file_class + '");\n')
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fd.write("\t}\n")
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fd.write("};\n\n")
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fd.write("#endif\n")
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fd.close()
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def build_rd_headers(target, source, env):
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for x in source:
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build_rd_header(str(x))
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class RAWHeaderStruct:
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def __init__(self):
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self.code = ""
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def include_file_in_raw_header(filename, header_data, depth):
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fs = open(filename, "r")
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line = fs.readline()
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while line:
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while line.find("#include ") != -1:
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includeline = line.replace("#include ", "").strip()[1:-1]
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import os.path
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included_file = os.path.relpath(os.path.dirname(filename) + "/" + includeline)
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include_file_in_raw_header(included_file, header_data, depth + 1)
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line = fs.readline()
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header_data.code += line
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line = fs.readline()
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fs.close()
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def build_raw_header(filename):
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header_data = RAWHeaderStruct()
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include_file_in_raw_header(filename, header_data, 0)
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out_file = filename + ".gen.h"
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fd = open(out_file, "w")
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fd.write("/* WARNING, THIS FILE WAS GENERATED, DO NOT EDIT */\n")
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out_file_base = out_file.replace(".glsl.gen.h", "_shader_glsl")
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out_file_base = out_file_base[out_file_base.rfind("/") + 1 :]
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out_file_base = out_file_base[out_file_base.rfind("\\") + 1 :]
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out_file_ifdef = out_file_base.replace(".", "_").upper()
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fd.write("#ifndef " + out_file_ifdef + "_RAW_H\n")
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fd.write("#define " + out_file_ifdef + "_RAW_H\n")
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fd.write("\n")
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fd.write("static const char " + out_file_base + "[] = {\n")
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for c in header_data.code:
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fd.write(str(ord(c)) + ",")
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fd.write("\t\t0};\n\n")
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fd.write("#endif\n")
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fd.close()
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def build_raw_headers(target, source, env):
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for x in source:
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build_raw_header(str(x))
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if __name__ == "__main__":
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subprocess_main(globals())
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