c5bd0c37ce
- Refactored all builder (make_*) functions into separate Python modules along to the build tree - Introduced utility function to wrap all invocations on Windows, but does not change it elsewhere - Introduced stub to use the builders module as a stand alone script and invoke a selected function There is a problem with file handles related to writing generated content (*.gen.h and *.gen.cpp) on Windows, which randomly causes a SHARING VIOLATION error to the compiler resulting in flaky builds. Running all such content generators in a new subprocess instead of directly inside the build script works around the issue. Yes, I tried the multiprocessing module. It did not work due to conflict with SCons on cPickle. Suggested workaround did not fully work either. Using the run_in_subprocess wrapper on osx and x11 platforms as well for consistency. In case of running a cross-compilation on Windows they would still be used, but likely it will not happen in practice. What counts is that the build itself is running on which platform, not the target platform. Some generated files are written directly in an SConstruct or SCsub file, before the parallel build starts. They don't need to be written in a subprocess, apparently, so I left them as is.
510 lines
20 KiB
Python
510 lines
20 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) == 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) == 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 or line.find("#elif defined(") != -1:
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if line.find("#ifdef ") != -1:
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ifdefline = line.replace("#ifdef ", "").strip()
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else:
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ifdefline = line.replace("#elif defined(", "").strip()
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ifdefline = ifdefline.replace(")", "").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 = out_file_base.replace(".glsl.gen.h", "").title().replace("_", "").replace(".", "") + "Shader" + class_suffix
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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("\t_FORCE_INLINE_ void set_conditional(Conditionals p_conditional,bool p_enable) { _set_conditional(p_conditional,p_enable); }\n\n")
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fd.write("\t#define _FU if (get_uniform(p_uniform)<0) return; ERR_FAIL_COND( get_active()!=this );\n\n ")
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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("\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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fd.write("""\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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fd.write("""_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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fd.write("""_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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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"] = "((uint64_t(1)<<40)-1) ^ (((uint64_t(1)<<" + str(bits) + ") - 1)<<" + str(bitofs) + ")"
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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("\t\t\t{(uint64_t(1<<" + str(bits) + ")-1)<<" + str(bitofs) + "," + str(bitofs) + "," + strs + "},\n")
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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 not gles2 and len(header_data.feedbacks):
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fd.write("\t\tstatic const Feedback _feedbacks[]={\n")
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for x in header_data.feedbacks:
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name = x[0]
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cond = x[1]
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if cond in conditionals_found:
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fd.write("\t\t\t{\"" + name + "\"," + str(conditionals_found.index(cond)) + "},\n")
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else:
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fd.write("\t\t\t{\"" + name + "\",-1},\n")
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feedback_count += 1
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fd.write("\t\t};\n\n")
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else:
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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())
|