529 lines
18 KiB
Python
529 lines
18 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 LegacyGLHeaderStruct:
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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.uniforms = []
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self.attributes = []
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self.feedbacks = []
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self.fbos = []
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self.conditionals = []
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self.enums = {}
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self.texunits = []
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self.texunit_names = []
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self.ubos = []
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self.ubo_names = []
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self.vertex_included_files = []
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self.fragment_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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def include_file_in_legacygl_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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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_legacygl_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_legacygl_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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if line.find("#ifdef ") != -1:
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if line.find("#ifdef ") != -1:
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ifdefline = line.replace("#ifdef ", "").strip()
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if line.find("_EN_") != -1:
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enumbase = ifdefline[: ifdefline.find("_EN_")]
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ifdefline = ifdefline.replace("_EN_", "_")
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line = line.replace("_EN_", "_")
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if enumbase not in header_data.enums:
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header_data.enums[enumbase] = []
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if ifdefline not in header_data.enums[enumbase]:
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header_data.enums[enumbase].append(ifdefline)
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elif not ifdefline in header_data.conditionals:
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header_data.conditionals += [ifdefline]
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if line.find("uniform") != -1 and line.lower().find("texunit:") != -1:
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# texture unit
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texunitstr = line[line.find(":") + 1 :].strip()
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if texunitstr == "auto":
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texunit = "-1"
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else:
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texunit = str(int(texunitstr))
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uline = line[: line.lower().find("//")]
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uline = uline.replace("uniform", "")
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uline = uline.replace("highp", "")
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uline = uline.replace(";", "")
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lines = uline.split(",")
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for x in lines:
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x = x.strip()
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x = x[x.rfind(" ") + 1 :]
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if x.find("[") != -1:
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# unfiorm array
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x = x[: x.find("[")]
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if not x in header_data.texunit_names:
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header_data.texunits += [(x, texunit)]
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header_data.texunit_names += [x]
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elif line.find("uniform") != -1 and line.lower().find("ubo:") != -1:
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# uniform buffer object
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ubostr = line[line.find(":") + 1 :].strip()
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ubo = str(int(ubostr))
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uline = line[: line.lower().find("//")]
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uline = uline[uline.find("uniform") + len("uniform") :]
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uline = uline.replace("highp", "")
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uline = uline.replace(";", "")
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uline = uline.replace("{", "").strip()
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lines = uline.split(",")
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for x in lines:
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x = x.strip()
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x = x[x.rfind(" ") + 1 :]
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if x.find("[") != -1:
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# unfiorm array
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x = x[: x.find("[")]
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if not x in header_data.ubo_names:
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header_data.ubos += [(x, ubo)]
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header_data.ubo_names += [x]
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elif line.find("uniform") != -1 and line.find("{") == -1 and line.find(";") != -1:
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uline = line.replace("uniform", "")
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uline = uline.replace(";", "")
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lines = uline.split(",")
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for x in lines:
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x = x.strip()
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x = x[x.rfind(" ") + 1 :]
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if x.find("[") != -1:
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# unfiorm array
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x = x[: x.find("[")]
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if not x in header_data.uniforms:
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header_data.uniforms += [x]
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if line.strip().find("attribute ") == 0 and line.find("attrib:") != -1:
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uline = line.replace("in ", "")
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uline = uline.replace("attribute ", "")
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uline = uline.replace("highp ", "")
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uline = uline.replace(";", "")
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uline = uline[uline.find(" ") :].strip()
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if uline.find("//") != -1:
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name, bind = uline.split("//")
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if bind.find("attrib:") != -1:
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name = name.strip()
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bind = bind.replace("attrib:", "").strip()
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header_data.attributes += [(name, bind)]
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if line.strip().find("out ") == 0 and line.find("tfb:") != -1:
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uline = line.replace("out ", "")
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uline = uline.replace("highp ", "")
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uline = uline.replace(";", "")
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uline = uline[uline.find(" ") :].strip()
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if uline.find("//") != -1:
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name, bind = uline.split("//")
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if bind.find("tfb:") != -1:
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name = name.strip()
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bind = bind.replace("tfb:", "").strip()
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header_data.feedbacks += [(name, bind)]
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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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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_legacygl_header(filename, include, class_suffix, output_attribs):
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header_data = LegacyGLHeaderStruct()
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include_file_in_legacygl_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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enum_constants = []
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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 + class_suffix + "_120\n")
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fd.write("#define " + out_file_ifdef + class_suffix + "_120\n")
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out_file_class = (
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out_file_base.replace(".glsl.gen.h", "").title().replace("_", "").replace(".", "") + "Shader" + class_suffix
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)
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fd.write("\n\n")
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fd.write('#include "' + include + '"\n\n\n')
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fd.write("class " + out_file_class + " : public Shader" + class_suffix + " {\n\n")
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fd.write('\t virtual String get_shader_name() const { return "' + out_file_class + '"; }\n')
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fd.write("public:\n\n")
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if header_data.conditionals:
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fd.write("\tenum Conditionals {\n")
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for x in header_data.conditionals:
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fd.write("\t\t" + x.upper() + ",\n")
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fd.write("\t};\n\n")
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if header_data.uniforms:
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fd.write("\tenum Uniforms {\n")
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for x in header_data.uniforms:
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fd.write("\t\t" + x.upper() + ",\n")
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fd.write("\t};\n\n")
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fd.write("\t_FORCE_INLINE_ int get_uniform(Uniforms p_uniform) const { return _get_uniform(p_uniform); }\n\n")
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if header_data.conditionals:
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fd.write(
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"\t_FORCE_INLINE_ void set_conditional(Conditionals p_conditional,bool p_enable) { _set_conditional(p_conditional,p_enable); }\n\n"
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)
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fd.write("\t#ifdef DEBUG_ENABLED\n ")
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fd.write(
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"\t#define _FU if (get_uniform(p_uniform)<0) return; if (!is_version_valid()) return; ERR_FAIL_COND( get_active()!=this ); \n\n "
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)
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fd.write("\t#else\n ")
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fd.write("\t#define _FU if (get_uniform(p_uniform)<0) return; \n\n ")
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fd.write("\t#endif\n")
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, float p_value) { _FU glUniform1f(get_uniform(p_uniform),p_value); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, double p_value) { _FU glUniform1f(get_uniform(p_uniform),p_value); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, uint8_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, int8_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, uint16_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, int16_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, uint32_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, int32_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Color& p_color) { _FU GLfloat col[4]={p_color.r,p_color.g,p_color.b,p_color.a}; glUniform4fv(get_uniform(p_uniform),1,col); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Vector2& p_vec2) { _FU GLfloat vec2[2]={p_vec2.x,p_vec2.y}; glUniform2fv(get_uniform(p_uniform),1,vec2); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Size2i& p_vec2) { _FU GLint vec2[2]={p_vec2.x,p_vec2.y}; glUniform2iv(get_uniform(p_uniform),1,vec2); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Vector3& p_vec3) { _FU GLfloat vec3[3]={p_vec3.x,p_vec3.y,p_vec3.z}; glUniform3fv(get_uniform(p_uniform),1,vec3); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, float p_a, float p_b) { _FU glUniform2f(get_uniform(p_uniform),p_a,p_b); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, float p_a, float p_b, float p_c) { _FU glUniform3f(get_uniform(p_uniform),p_a,p_b,p_c); }\n\n"
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)
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fd.write(
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"\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, float p_a, float p_b, float p_c, float p_d) { _FU glUniform4f(get_uniform(p_uniform),p_a,p_b,p_c,p_d); }\n\n"
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)
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fd.write(
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"""\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Transform3D& p_transform) { _FU
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const Transform3D &tr = p_transform;
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GLfloat matrix[16]={ /* build a 16x16 matrix */
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tr.basis.elements[0][0],
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tr.basis.elements[1][0],
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tr.basis.elements[2][0],
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0,
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tr.basis.elements[0][1],
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tr.basis.elements[1][1],
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tr.basis.elements[2][1],
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0,
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tr.basis.elements[0][2],
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tr.basis.elements[1][2],
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tr.basis.elements[2][2],
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0,
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tr.origin.x,
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tr.origin.y,
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tr.origin.z,
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1
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};
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glUniformMatrix4fv(get_uniform(p_uniform),1,false,matrix);
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}
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"""
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)
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fd.write(
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"""_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Transform2D& p_transform) { _FU
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const Transform2D &tr = p_transform;
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GLfloat matrix[16]={ /* build a 16x16 matrix */
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tr.elements[0][0],
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tr.elements[0][1],
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0,
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0,
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tr.elements[1][0],
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tr.elements[1][1],
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0,
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0,
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0,
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0,
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1,
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0,
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tr.elements[2][0],
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tr.elements[2][1],
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0,
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1
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};
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glUniformMatrix4fv(get_uniform(p_uniform),1,false,matrix);
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}
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"""
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)
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fd.write(
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"""_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const CameraMatrix& p_matrix) { _FU
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GLfloat matrix[16];
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for (int i=0;i<4;i++) {
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for (int j=0;j<4;j++) {
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matrix[i*4+j]=p_matrix.matrix[i][j];
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}
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}
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glUniformMatrix4fv(get_uniform(p_uniform),1,false,matrix);
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}"""
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)
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fd.write("\n\n#undef _FU\n\n\n")
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fd.write("\tvirtual void init() {\n\n")
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enum_value_count = 0
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if header_data.enums:
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fd.write("\t\t//Written using math, given nonstandarity of 64 bits integer constants..\n")
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fd.write("\t\tstatic const Enum _enums[]={\n")
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bitofs = len(header_data.conditionals)
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enum_vals = []
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for xv in header_data.enums:
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x = header_data.enums[xv]
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bits = 1
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amt = len(x)
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while 2 ** bits < amt:
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bits += 1
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strs = "{"
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for i in range(amt):
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strs += '"#define ' + x[i] + '\\n",'
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c = {}
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c["set_mask"] = "uint64_t(" + str(i) + ")<<" + str(bitofs)
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c["clear_mask"] = (
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"((uint64_t(1)<<40)-1) ^ (((uint64_t(1)<<" + str(bits) + ") - 1)<<" + str(bitofs) + ")"
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)
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enum_vals.append(c)
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enum_constants.append(x[i])
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strs += "NULL}"
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fd.write(
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"\t\t\t{(uint64_t(1<<" + str(bits) + ")-1)<<" + str(bitofs) + "," + str(bitofs) + "," + strs + "},\n"
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)
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bitofs += bits
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fd.write("\t\t};\n\n")
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fd.write("\t\tstatic const EnumValue _enum_values[]={\n")
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enum_value_count = len(enum_vals)
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for x in enum_vals:
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fd.write("\t\t\t{" + x["set_mask"] + "," + x["clear_mask"] + "},\n")
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fd.write("\t\t};\n\n")
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conditionals_found = []
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if header_data.conditionals:
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fd.write("\t\tstatic const char* _conditional_strings[]={\n")
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if header_data.conditionals:
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for x in header_data.conditionals:
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fd.write('\t\t\t"#define ' + x + '\\n",\n')
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conditionals_found.append(x)
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fd.write("\t\t};\n\n")
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else:
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fd.write("\t\tstatic const char **_conditional_strings=NULL;\n")
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if header_data.uniforms:
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fd.write("\t\tstatic const char* _uniform_strings[]={\n")
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if header_data.uniforms:
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for x in header_data.uniforms:
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fd.write('\t\t\t"' + x + '",\n')
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fd.write("\t\t};\n\n")
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else:
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fd.write("\t\tstatic const char **_uniform_strings=NULL;\n")
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if output_attribs:
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if header_data.attributes:
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fd.write("\t\tstatic AttributePair _attribute_pairs[]={\n")
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for x in header_data.attributes:
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fd.write('\t\t\t{"' + x[0] + '",' + x[1] + "},\n")
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fd.write("\t\t};\n\n")
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else:
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fd.write("\t\tstatic AttributePair *_attribute_pairs=NULL;\n")
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feedback_count = 0
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if header_data.texunits:
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fd.write("\t\tstatic TexUnitPair _texunit_pairs[]={\n")
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for x in header_data.texunits:
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fd.write('\t\t\t{"' + x[0] + '",' + x[1] + "},\n")
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fd.write("\t\t};\n\n")
|
|
else:
|
|
fd.write("\t\tstatic TexUnitPair *_texunit_pairs=NULL;\n")
|
|
|
|
fd.write("\t\tstatic const char _vertex_code[]={\n")
|
|
for x in header_data.vertex_lines:
|
|
for c in x:
|
|
fd.write(str(ord(c)) + ",")
|
|
|
|
fd.write(str(ord("\n")) + ",")
|
|
fd.write("\t\t0};\n\n")
|
|
|
|
fd.write("\t\tstatic const int _vertex_code_start=" + str(header_data.vertex_offset) + ";\n")
|
|
|
|
fd.write("\t\tstatic const char _fragment_code[]={\n")
|
|
for x in header_data.fragment_lines:
|
|
for c in x:
|
|
fd.write(str(ord(c)) + ",")
|
|
|
|
fd.write(str(ord("\n")) + ",")
|
|
fd.write("\t\t0};\n\n")
|
|
|
|
fd.write("\t\tstatic const int _fragment_code_start=" + str(header_data.fragment_offset) + ";\n")
|
|
|
|
if output_attribs:
|
|
fd.write(
|
|
"\t\tsetup(_conditional_strings,"
|
|
+ str(len(header_data.conditionals))
|
|
+ ",_uniform_strings,"
|
|
+ str(len(header_data.uniforms))
|
|
+ ",_attribute_pairs,"
|
|
+ str(len(header_data.attributes))
|
|
+ ", _texunit_pairs,"
|
|
+ str(len(header_data.texunits))
|
|
+ ",_vertex_code,_fragment_code,_vertex_code_start,_fragment_code_start);\n"
|
|
)
|
|
else:
|
|
fd.write(
|
|
"\t\tsetup(_conditional_strings,"
|
|
+ str(len(header_data.conditionals))
|
|
+ ",_uniform_strings,"
|
|
+ str(len(header_data.uniforms))
|
|
+ ",_texunit_pairs,"
|
|
+ str(len(header_data.texunits))
|
|
+ ",_enums,"
|
|
+ str(len(header_data.enums))
|
|
+ ",_enum_values,"
|
|
+ str(enum_value_count)
|
|
+ ",_vertex_code,_fragment_code,_vertex_code_start,_fragment_code_start);\n"
|
|
)
|
|
|
|
fd.write("\t}\n\n")
|
|
|
|
if enum_constants:
|
|
|
|
fd.write("\tenum EnumConditionals {\n")
|
|
for x in enum_constants:
|
|
fd.write("\t\t" + x.upper() + ",\n")
|
|
fd.write("\t};\n\n")
|
|
fd.write("\tvoid set_enum_conditional(EnumConditionals p_cond) { _set_enum_conditional(p_cond); }\n")
|
|
|
|
fd.write("};\n\n")
|
|
fd.write("#endif\n\n")
|
|
fd.close()
|
|
|
|
|
|
def build_gles3_headers(target, source, env):
|
|
for x in source:
|
|
build_legacygl_header(str(x), include="drivers/gles3/shader_gles3.h", class_suffix="GLES3", output_attribs=True)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
subprocess_main(globals())
|