035a3bbc4a
Add mechanism to use GL_EXT_spirv_intrinsics headers in glslang. Ported GL_EXT_shader_realtime_clock as an example.
98 lines
3.6 KiB
Python
98 lines
3.6 KiB
Python
#!/usr/bin/env python
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# Copyright (c) 2020 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import glob
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import sys
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import os
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def generate_main(glsl_files, output_header_file):
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# Write commit ID to output header file
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with open(output_header_file, "w") as header_file:
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# Copyright Notice
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header_string = '/***************************************************************************\n'
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header_string += ' *\n'
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header_string += ' * Copyright (c) 2015-2021 The Khronos Group Inc.\n'
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header_string += ' * Copyright (c) 2015-2021 Valve Corporation\n'
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header_string += ' * Copyright (c) 2015-2021 LunarG, Inc.\n'
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header_string += ' * Copyright (c) 2015-2021 Google Inc.\n'
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header_string += ' * Copyright (c) 2021 Advanced Micro Devices, Inc.All rights reserved.\n'
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header_string += ' *\n'
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header_string += ' ****************************************************************************/\n'
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header_string += '#pragma once\n\n'
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header_string += '#ifndef _INTRINSIC_EXTENSION_HEADER_H_\n'
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header_string += '#define _INTRINSIC_EXTENSION_HEADER_H_\n\n'
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header_file.write(header_string)
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symbol_name_list = []
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for i in glsl_files:
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glsl_contents = open(i,"r").read()
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filename = os.path.basename(i)
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symbol_name = filename.split(".")[0]
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symbol_name_list.append(symbol_name)
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header_name = symbol_name + ".h"
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header_str = 'std::string %s_GLSL = R"(\n%s\n)";\n' % (symbol_name, glsl_contents)
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header_str += '\n'
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header_file.write(header_str)
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contents = ''
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contents += '\n'
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contents += 'std::string getIntrinsic(const char* const* shaders, int n) {\n'
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contents += '\tstd::string shaderString = "";\n';
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contents += '\tfor (int i = 0; i < n; i++) {\n'
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for symbol_name in symbol_name_list:
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contents += '\t\tif (strstr(shaders[i], "%s") != NULL) {\n' % (symbol_name)
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contents += '\t\t shaderString.append(%s_GLSL);\n' % (symbol_name)
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contents += '\t\t}\n'
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contents += '\t}\n'
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contents += '\treturn shaderString;\n';
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contents += '}\n'
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contents += '\n#endif\n'
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header_file.write(contents)
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def main():
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if len(sys.argv) < 2:
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raise Exception("Invalid number of arguments")
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i = 0
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while i < len(sys.argv):
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opt = sys.argv[i]
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i = i + 1
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if opt == "-i" or opt == "-o":
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if i == len(sys.argv):
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raise Exception("Expected path after {}".format(opt))
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val = sys.argv[i]
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i = i + 1
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if (opt == "-i"):
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input_dir = val
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elif (opt == "-o"):
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output_file = val
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else:
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raise Exception("Unknown flag {}".format(opt))
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glsl_files = glob.glob(input_dir + '/*.glsl')
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# Generate main header
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generate_main(glsl_files, output_file)
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if __name__ == '__main__':
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main() |