7bf9787921
Configured for a max line length of 120 characters.
psf/black is very opinionated and purposely doesn't leave much room for
configuration. The output is mostly OK so that should be fine for us,
but some things worth noting:
- Manually wrapped strings will be reflowed, so by using a line length
of 120 for the sake of preserving readability for our long command
calls, it also means that some manually wrapped strings are back on
the same line and should be manually merged again.
- Code generators using string concatenation extensively look awful,
since black puts each operand on a single line. We need to refactor
these generators to use more pythonic string formatting, for which
many options are available (`%`, `format` or f-strings).
- CI checks and a pre-commit hook will be added to ensure that future
buildsystem changes are well-formatted.
(cherry picked from commit cd4e46ee65)
604 lines
21 KiB
Python
604 lines
21 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, gles2=False):
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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 Transform& p_transform) { _FU
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const Transform &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:
|
|
fd.write('\t\t\t{"' + x[0] + '",' + x[1] + "},\n")
|
|
fd.write("\t\t};\n\n")
|
|
else:
|
|
fd.write("\t\tstatic AttributePair *_attribute_pairs=NULL;\n")
|
|
|
|
feedback_count = 0
|
|
|
|
if not gles2 and len(header_data.feedbacks):
|
|
|
|
fd.write("\t\tstatic const Feedback _feedbacks[]={\n")
|
|
for x in header_data.feedbacks:
|
|
name = x[0]
|
|
cond = x[1]
|
|
if cond in conditionals_found:
|
|
fd.write('\t\t\t{"' + name + '",' + str(conditionals_found.index(cond)) + "},\n")
|
|
else:
|
|
fd.write('\t\t\t{"' + name + '",-1},\n')
|
|
|
|
feedback_count += 1
|
|
|
|
fd.write("\t\t};\n\n")
|
|
else:
|
|
if gles2:
|
|
pass
|
|
else:
|
|
fd.write("\t\tstatic const Feedback* _feedbacks=NULL;\n")
|
|
|
|
if header_data.texunits:
|
|
fd.write("\t\tstatic TexUnitPair _texunit_pairs[]={\n")
|
|
for x in header_data.texunits:
|
|
fd.write('\t\t\t{"' + x[0] + '",' + x[1] + "},\n")
|
|
fd.write("\t\t};\n\n")
|
|
else:
|
|
fd.write("\t\tstatic TexUnitPair *_texunit_pairs=NULL;\n")
|
|
|
|
if not gles2 and header_data.ubos:
|
|
fd.write("\t\tstatic UBOPair _ubo_pairs[]={\n")
|
|
for x in header_data.ubos:
|
|
fd.write('\t\t\t{"' + x[0] + '",' + x[1] + "},\n")
|
|
fd.write("\t\t};\n\n")
|
|
else:
|
|
if gles2:
|
|
pass
|
|
else:
|
|
fd.write("\t\tstatic UBOPair *_ubo_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:
|
|
if gles2:
|
|
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))
|
|
+ ",_attribute_pairs,"
|
|
+ str(len(header_data.attributes))
|
|
+ ", _texunit_pairs,"
|
|
+ str(len(header_data.texunits))
|
|
+ ",_ubo_pairs,"
|
|
+ str(len(header_data.ubos))
|
|
+ ",_feedbacks,"
|
|
+ str(feedback_count)
|
|
+ ",_vertex_code,_fragment_code,_vertex_code_start,_fragment_code_start);\n"
|
|
)
|
|
else:
|
|
if gles2:
|
|
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"
|
|
)
|
|
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)
|
|
+ ",_ubo_pairs,"
|
|
+ str(len(header_data.ubos))
|
|
+ ",_feedbacks,"
|
|
+ str(feedback_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)
|
|
|
|
|
|
def build_gles2_headers(target, source, env):
|
|
for x in source:
|
|
build_legacygl_header(
|
|
str(x), include="drivers/gles2/shader_gles2.h", class_suffix="GLES2", output_attribs=True, gles2=True
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
subprocess_main(globals())
|