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GL_EXT_spirv_intrinsics - Port extensions
Add mechanism to use GL_EXT_spirv_intrinsics headers in glslang. Ported GL_EXT_shader_realtime_clock as an example.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| #!/usr/bin/env python | ||
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| # Copyright (c) 2020 Google Inc. | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
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| import glob | ||
| import sys | ||
| import os | ||
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| def generate_main(glsl_files, output_header_file): | ||
| # Write commit ID to output header file | ||
| with open(output_header_file, "w", newline='\n') as header_file: | ||
| # Copyright Notice | ||
| header_string = '/***************************************************************************\n' | ||
| header_string += ' *\n' | ||
| header_string += ' * Copyright (c) 2015-2021 The Khronos Group Inc.\n' | ||
| header_string += ' * Copyright (c) 2015-2021 Valve Corporation\n' | ||
| header_string += ' * Copyright (c) 2015-2021 LunarG, Inc.\n' | ||
| header_string += ' * Copyright (c) 2015-2021 Google Inc.\n' | ||
| header_string += ' * Copyright (c) 2021 Advanced Micro Devices, Inc.All rights reserved.\n' | ||
| header_string += ' *\n' | ||
| header_string += ' ****************************************************************************/\n' | ||
| header_string += '#pragma once\n\n' | ||
| header_string += '#ifndef _INTRINSIC_EXTENSION_HEADER_H_\n' | ||
| header_string += '#define _INTRINSIC_EXTENSION_HEADER_H_\n\n' | ||
| header_file.write(header_string) | ||
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| symbol_name_list = [] | ||
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| for i in glsl_files: | ||
| glsl_contents = open(i,"r").read() | ||
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| filename = os.path.basename(i) | ||
| symbol_name = filename.split(".")[0] | ||
| symbol_name_list.append(symbol_name) | ||
| header_name = symbol_name + ".h" | ||
| header_str = 'std::string %s_GLSL = R"(\n%s\n)";\n' % (symbol_name, glsl_contents) | ||
| header_str += '\n' | ||
| header_file.write(header_str) | ||
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| contents = '' | ||
| contents += '\n' | ||
| contents += 'std::string getIntrinsic(const char* const* shaders, int n) {\n' | ||
| 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: | ||
| contents += '\t\tif (strstr(shaders[i], "%s") != NULL) {\n' % (symbol_name) | ||
| contents += '\t\t shaderString.append(%s_GLSL);\n' % (symbol_name) | ||
| contents += '\t\t}\n' | ||
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| contents += '\t}\n' | ||
| contents += '\treturn shaderString;\n'; | ||
| contents += '}\n' | ||
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| contents += '\n#endif\n' | ||
| header_file.write(contents) | ||
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| def main(): | ||
| if len(sys.argv) < 2: | ||
| raise Exception("Invalid number of arguments") | ||
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| i = 0 | ||
| while i < len(sys.argv): | ||
| opt = sys.argv[i] | ||
| i = i + 1 | ||
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| if opt == "-i" or opt == "-o": | ||
| if i == len(sys.argv): | ||
| raise Exception("Expected path after {}".format(opt)) | ||
| val = sys.argv[i] | ||
| i = i + 1 | ||
| if (opt == "-i"): | ||
| input_dir = val | ||
| elif (opt == "-o"): | ||
| output_file = val | ||
| else: | ||
| raise Exception("Unknown flag {}".format(opt)) | ||
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| glsl_files = glob.glob(input_dir + '/*.glsl') | ||
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| # Generate main header | ||
| generate_main(glsl_files, output_file) | ||
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| if __name__ == '__main__': | ||
| main() |
16 changes: 16 additions & 0 deletions
16
glslang/ExtensionHeaders/GL_EXT_shader_realtime_clock.glsl
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| #extension GL_EXT_spirv_intrinsics : enable | ||
| #extension GL_ARB_gpu_shader_int64 : enable | ||
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| uvec2 clockRealtime2x32EXT(void) { | ||
| spirv_instruction (extensions = ["SPV_KHR_shader_clock"], capabilities = [5055], id = 5056) | ||
| uvec2 clockRealtime2x32EXT_internal(uint scope); | ||
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| return clockRealtime2x32EXT_internal(1 /*Device scope*/); | ||
| } | ||
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| uint64_t clockRealtimeEXT(void) { | ||
| spirv_instruction (extensions = ["SPV_KHR_shader_clock"], capabilities = [5055], id = 5056) | ||
| uint64_t clockRealtimeEXT_internal(uint scope); | ||
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| return clockRealtimeEXT_internal(1 /*Device scope*/); | ||
| } |
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