mirror of https://github.com/mosra/magnum.git
Vladimír Vondruš
6 years ago
35 changed files with 494 additions and 4 deletions
@ -0,0 +1,439 @@ |
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/*
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
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2020 Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include <Corrade/Containers/GrowableArray.h> |
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#include <Corrade/Utility/Arguments.h> |
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#include <Corrade/Utility/DebugStl.h> |
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#include <Corrade/Utility/Directory.h> |
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#include <Corrade/Utility/String.h> |
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#include "Magnum/Implementation/converterUtilities.h" |
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#include "Magnum/Math/Functions.h" |
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#include "Magnum/ShaderTools/AbstractConverter.h" |
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namespace Magnum { |
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/** @page magnum-shaderconverter Shader conversion utility
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@brief Converts, compiles, optimizes and links shaders of different formats |
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@m_since_latest |
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@m_footernavigation |
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@m_keywords{magnum-shaderconverter shaderconverter} |
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This utility is built if both `WITH_SHADERTOOLS` and `WITH_SHADERCONVERTER` is |
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enabled when building Magnum. To use this utility with CMake, you need to |
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request the `shaderconverter` component of the `Magnum` package and use the |
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`Magnum::shaderconverter` target for example in a custom command: |
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@code{.cmake} |
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find_package(Magnum REQUIRED shaderconverter) |
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add_custom_command(OUTPUT ... COMMAND Magnum::shaderconverter ...) |
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@endcode |
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See @ref building, @ref cmake and the @ref ShaderTools namespace for more |
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information. |
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@section magnum-shaderconverter-usage Usage |
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@code{.sh} |
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magnum-shaderconverter [-h|--help] [--validate] [--link] |
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[-C|--converter NAME]... [--plugin-dir DIR] |
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[-c|--converter-options key=val,key2=val2,…]... [-q|--quiet] [-v|--verbose] |
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[--warning-as-error] [-E|--preprocess-only] [-D|--define name=value]... |
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[-U|--undefine name]... [-O|--optimize LEVEL] [-g|--debug-info LEVEL] |
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[--input-version VERSION]... [--output-version VERSION]... |
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[--] input... output |
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@endcode |
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Arguments: |
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- `input` --- input file(s) |
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- `output` --- output file, ignored if `--validate` is present |
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- `-h`, `--help` --- display this help message and exit |
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- `--validate` --- validate input |
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- `--link` --- link multiple input files together |
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- `-C`, `--converter CONVERTER` --- shader converter plugin(s) |
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- `--plugin-dir DIR` --- override base plugin dir |
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- `-c`, `--converter-options key=val,key2=val2,…` --- configuration options |
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to pass to the converter(s) |
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- `-q`, `--quiet` --- quiet output from converter plugin(s) |
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- `-v`, `--verbose` --- verbose output from converter plugin(s) |
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- `--warning-as-error` --- treat warnings as errors |
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- `-E`, `--preprocess-only` --- preprocess the input file and exit |
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- `-D`, `--define name=value` --- define a preprocessor macro |
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- `-U`, `--undefine name` --- undefine a preprocessor macro |
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- `-O`, `--optimize LEVEL` --- optimization level to use |
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- `-g`, `--debug-info LEVEL` --- debug info level to use |
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- `--input-version VERSION` --- input format version for each converter |
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- `--output-version VERSION` --- output format version for each converter |
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If `--validate` is given, the utility will validate the `input` file using |
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passed `--converter` (or @ref ShaderTools::AnyConverter "AnyShaderConverter" if |
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none is specified), print the validation log on output and exit with a non-zero |
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code if the validation fails. If `--link` is given, the utility will link all |
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files together using passed `--converter` (or |
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@ref ShaderTools::AnyConverter "AnyShaderConverter" if none is specified) and |
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save it to `output`. If neither is specified, the utility will convert the |
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`input` file using (one or more) passed `--converter` (or |
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@ref ShaderTools::AnyConverter "AnyShaderConverter" if none is specified) and |
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save it to `output`. |
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The `-c` / `--converter-options` argument accept a comma-separated list of |
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key/value pairs to set in the converter plugin configuration. If the `=` |
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character is omitted, it's equivalent to saying `key=true`; configuration |
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subgroups are delimited with `/`. It's possible to specify the `-C` / |
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`--converter` option (and correspondingly also `-c` / `--converter-options`, |
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`--input-version` and `--output-version`) multiple times in order to chain more |
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converters together. All converters in the chain have to support the |
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@ref ShaderTools::ConverterFeature::ConvertData feature, if there's just one |
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converter it's enough for it to support |
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@ref ShaderTools::ConverterFeature::ConvertFile. If no `-C` / `--converter` is |
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specified, @ref ShaderTools::AnyConverter "AnyShaderConverter" is used. |
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The `-D` / `--define`, `-U` / `--undefine`, `-O` / `--optimize`, `-g` / |
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`--debug-info`, `-E` / `--preprocess-only` arguments apply only to the first |
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converter. Split the conversion to multiple passes if you need to pass those to |
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converters later in the chain. |
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Values accepted by `-O` / `--optimize`, `-g` / `--debug-info`, `--input-version` |
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and `--output-version` are converter-specific, see documentation of a |
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particular converter for more information. |
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@section magnum-shaderconverter-example Example usage |
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Validate a SPIR-V file for a Vulkan 1.1 target, using |
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@ref ShaderTools::SpirvToolsConverter "SpirvToolsShaderConverter" picked by |
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@ref ShaderTools::AnyConverter "AnyShaderConverter": |
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@code{.sh} |
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magnum-shaderconverter --validate --output-version vulkan1.1 shader.spv |
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@endcode |
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Converting a GLSL 4.10 file to a SPIR-V, supplying various preprocessor |
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definitions, treating warnings as errors and targeting OpenGL instead of the |
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(default) Vulkan, using @ref ShaderTools::GlslangConverter "GlslangShaderConverter" |
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picked again by @ref ShaderTools::AnyConverter "AnyShaderConverter": |
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@m_class{m-console-wrap} |
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@code{.sh} |
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magnum-shaderconverter phong.frag -DDIFFUSE_TEXTURE -DNORMAL_TEXTURE --input-version "410 core" --output-version opengl4.5 --warning-as-error phong.frag.spv |
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@endcode |
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*/ |
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} |
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using namespace Magnum; |
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int main(int argc, char** argv) { |
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Utility::Arguments args; |
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args.addArrayArgument("input").setHelp("input", "input file(s)") |
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.addArgument("output").setHelp("output", "output file, ignored if --validate is present") |
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.addBooleanOption("validate").setHelp("validate", "validate input") |
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.addBooleanOption("link").setHelp("link", "link multiple input files together") |
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.addArrayOption('C', "converter").setHelp("converter", "shader converter plugin(s)") |
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.addOption("plugin-dir").setHelp("plugin-dir", "override base plugin dir", "DIR") |
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.addArrayOption('c', "converter-options").setHelp("converter-options", "configuration options to pass to the converter(s)", "key=val,key2=val2,…") |
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.addBooleanOption('q', "quiet").setHelp("quiet", "quiet output from converter plugin(s)") |
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.addBooleanOption('v', "verbose").setHelp("verbose", "verbose output from converter plugin(s)") |
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.addBooleanOption("warning-as-error").setHelp("warning-as-error", "treat warnings as errors") |
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.addBooleanOption('E', "preprocess-only").setHelp("preprocess-only", "preprocess the input file and exit") |
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.addArrayOption('D', "define").setHelp("define", "define a preprocessor macro", "name=value") |
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.addArrayOption('U', "undefine").setHelp("undefine", "undefine a preprocessor macro", "name") |
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.addOption('O', "optimize").setHelp("optimize", "optimization level to use", "LEVEL") |
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.addOption('g', "debug-info").setHelp("debug-info", "debug info level to use", "LEVEL") |
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.addArrayOption("input-version").setHelp("input-version", "input format version for each converter", "VERSION") |
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.addArrayOption("output-version").setHelp("output-version", "output format version for each converter", "VERSION") |
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.setParseErrorCallback([](const Utility::Arguments& args, Utility::Arguments::ParseError error, const std::string& key) { |
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/* If --validate is passed, we don't need the output argument */ |
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if(error == Utility::Arguments::ParseError::MissingArgument && |
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key == "output" && args.isSet("validate")) return true; |
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/* Handle all other errors as usual */ |
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return false; |
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}) |
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.setGlobalHelp(R"(Converts, compiles, optimizes and links shaders of different formats. |
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If --validate is given, the utility will validate the input file using passed |
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--converter (or AnyShaderConverter if none is specified), print the validation |
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log on output and exit with a non-zero code if the validation fails. If --link |
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is given, the utility will link all files together using passed --converter (or |
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AnyShaderConverter if none is specified) and save it to output. If neither is |
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specified, the utility will convert the input file using (one or more) passed |
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--converter and save it to output. |
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The -c / --converter-options argument accept a comma-separated list of |
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key/value pairs to set in the converter plugin configuration. If the = |
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character is omitted, it's equivalent to saying key=true; configuration |
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subgroups are delimited with /. It's possible to specify the -C / --converter |
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option (and correspondingly also -c / --converter-options, --input-version and |
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--output-version) multiple times in order to chain more converters together. |
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All converters in the chain have to support the ConvertData feature, if there's |
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just one converter it's enough for it to support ConvertFile. If no -C / |
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--converter is specified, AnyShaderConverter is used. |
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The -D / --define, -U / --undefine, -O / --optimize, -g / --debug-info, -E / |
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--preprocess-only arguments apply only to the first converter. Split the |
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conversion to multiple passes if you need to pass those to converters later in |
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the chain. |
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Values accepted by -O / --optimize, -g / --debug-info, --input-version and |
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--output-version are converter-specific, see documentation of a particular |
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converter for more information.)") |
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.parse(argc, argv); |
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/* Generic checks */ |
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if(args.isSet("validate")) { |
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if(!args.value("output").empty()) { |
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Error{} << "Output file shouldn't be set for --validate"; |
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return 1; |
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} |
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} |
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if(!args.isSet("link")) { |
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if(args.arrayValueCount("input") != 1) { |
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Error{} << "Multiple input files are allowed only for --link"; |
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return 3; |
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} |
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if(args.isSet("preprocess-only")) { |
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Error{} << "The --preprocess-only option isn't allowed for --link"; |
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return 4; |
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} |
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} |
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if((args.isSet("validate") || args.isSet("link")) && args.arrayValueCount("converter") > 1) { |
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Error{} << "Cannot use multiple converters with --validate or --link"; |
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return 5; |
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} |
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if(args.isSet("quiet") && args.isSet("verbose")) { |
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Error{} << "Can't set both --quiet and --verbose"; |
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return 6; |
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} |
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if(args.isSet("quiet") && args.isSet("warning-as-error")) { |
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Error{} << "Can't set both --quiet and --warning-as-error"; |
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return 6; |
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} |
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/* Set up a converter manager */ |
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PluginManager::Manager<ShaderTools::AbstractConverter> converterManager{ |
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args.value("plugin-dir").empty() ? std::string{} : |
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Utility::Directory::join(args.value("plugin-dir"), ShaderTools::AbstractConverter::pluginSearchPaths()[0])}; |
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/* Data passed from one converter to another in case there's more than one */ |
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Containers::Array<char> data; |
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/* If there's no converters, it'll be just one AnyShaderConverter. */ |
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for(std::size_t i = 0, converterCount = args.arrayValueCount("converter"); i < Math::max(converterCount, std::size_t{1}); ++i) { |
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const std::string converterName = converterCount ? |
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args.arrayValue("converter", i) : "AnyShaderConverter"; |
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Containers::Pointer<ShaderTools::AbstractConverter> converter = converterManager.loadAndInstantiate(converterName); |
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if(!converter) { |
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Debug{} << "Available converter plugins:" << Utility::String::join(converterManager.aliasList(), ", "); |
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return 7; |
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} |
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/* Set options and versions, if passed */ |
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if(i < args.arrayValueCount("converter-options")) |
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Implementation::setOptions(*converter, args.arrayValue("converter-options", i)); |
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if(i < args.arrayValueCount("input-version")) |
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converter->setInputFormat({}, args.arrayValue("input-version", i)); |
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if(i < args.arrayValueCount("output-version")) |
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converter->setOutputFormat({}, args.arrayValue("output-version", i)); |
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ShaderTools::ConverterFlags flags; |
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/* Global flags, applied for all converters */ |
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if(args.isSet("quiet")) flags |= ShaderTools::ConverterFlag::Quiet; |
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if(args.isSet("verbose")) flags |= ShaderTools::ConverterFlag::Verbose; |
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if(args.isSet("warning-as-error")) flags |= ShaderTools::ConverterFlag::WarningAsError; |
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/* Options and flags applied just for the first converter; setting up
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file list for linking */ |
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Containers::Array<std::pair<ShaderTools::Stage, Containers::StringView>> linkInputs; |
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if(i == 0) { |
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if((args.isSet("preprocess-only") || args.arrayValueCount("define") || args.arrayValueCount("undefine"))) { |
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if(!(converter->features() & ShaderTools::ConverterFeature::Preprocess)) { |
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Error{} << "The -E / -D / -U options are set, but" << converterName << "doesn't support preprocessing"; |
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return 8; |
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} |
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if(args.isSet("preprocess-only")) |
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flags |= ShaderTools::ConverterFlag::PreprocessOnly; |
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Containers::Array<std::pair<Containers::StringView, Containers::StringView>> definitions; |
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arrayReserve(definitions, args.arrayValueCount("define") + args.arrayValueCount("undefine")); |
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for(std::size_t i = 0; i != args.arrayValueCount("define"); ++i) { |
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const Containers::Array3<Containers::StringView> define = |
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args.arrayValue<Containers::StringView>("define", i).partition('='); |
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arrayAppend(definitions, Containers::InPlaceInit, |
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define[0], define[2]); |
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} |
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for(std::size_t i = 0; i != args.arrayValueCount("undefine"); ++i) { |
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arrayAppend(definitions, Containers::InPlaceInit, |
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args.arrayValue<Containers::StringView>("undefine", i), nullptr); |
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} |
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converter->setDefinitions(definitions); |
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} |
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if(!args.value("optimize").empty()) { |
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if(!(converter->features() & ShaderTools::ConverterFeature::Optimize)) { |
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Error{} << "The -O option is set, but" << converterName << "doesn't support optimization"; |
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return 9; |
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} |
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converter->setOptimizationLevel(args.value("optimize")); |
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} |
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if(!args.value("debug-info").empty()) { |
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if(!(converter->features() & ShaderTools::ConverterFeature::DebugInfo)) { |
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Error{} << "The -g option is set, but" << converterName << "doesn't support debug info"; |
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return 10; |
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} |
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converter->setDebugInfoLevel(args.value("debug-info")); |
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} |
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if(args.isSet("link")) { |
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arrayReserve(linkInputs, args.arrayValueCount("input")); |
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for(std::size_t i = 0; i != args.arrayValueCount("input"); ++i) |
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arrayAppend(linkInputs, Containers::InPlaceInit, |
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ShaderTools::Stage::Unspecified, args.arrayValue("input", i)); |
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} |
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} |
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converter->setFlags(flags); |
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/* If validating, do it just with the first passed converter and then
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exit */ |
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if(args.isSet("validate")) { |
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/* The validation exits right after, so this branch shouldn't get
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re-entered again */ |
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CORRADE_INTERNAL_ASSERT(i == 0); |
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if(!(converter->features() & ShaderTools::ConverterFeature::ValidateFile)) { |
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Error{} << converterName << "doesn't support file validation"; |
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return 11; |
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} |
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std::pair<bool, Containers::String> out = converter->validateFile(ShaderTools::Stage::Unspecified, args.arrayValue("input", 0)); |
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if(!out.first) { |
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if(args.isSet("verbose")) |
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Error{} << "Validation failed:"; |
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if(!out.second.isEmpty()) Error{} << out.second; |
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} else if(!out.second.isEmpty()) { |
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if(args.isSet("verbose")) |
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Warning{} << "Validation succeeded with warnings:"; |
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if(!out.second.isEmpty()) Warning{} << out.second; |
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} else if(args.isSet("verbose")) |
||||||
|
Debug{} << "Validation passed"; |
||||||
|
return out.first ? 0 : 12; |
||||||
|
} |
||||||
|
|
||||||
|
/** @todo ability to specify the stage (need a configurationvalue parser for this) */ |
||||||
|
|
||||||
|
/* This is the first *and* last --converter, go from a file to a file */ |
||||||
|
if(i == 0 && converterCount <= 1) { |
||||||
|
if(!(converter->features() & ShaderTools::ConverterFeature::ConvertFile)) { |
||||||
|
Error{} << converterName << "doesn't support file conversion"; |
||||||
|
return 13; |
||||||
|
} |
||||||
|
|
||||||
|
/* No verbose output for just one converter */ |
||||||
|
|
||||||
|
/* Linking */ |
||||||
|
if(args.isSet("link")) { |
||||||
|
if(!converter->linkFilesToFile(linkInputs, args.value("output"))) { |
||||||
|
Error{} << "Cannot link" << args.arrayValue("input", 0) << "and others to" << args.value("output"); |
||||||
|
return 14; |
||||||
|
} |
||||||
|
|
||||||
|
/* Converting */ |
||||||
|
} else { |
||||||
|
if(!converter->convertFileToFile(ShaderTools::Stage::Unspecified, args.arrayValue("input", 0), args.value("output"))) { |
||||||
|
Error{} << "Cannot convert" << args.arrayValue("input", 0) << "to" << args.value("output"); |
||||||
|
return 15; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
/* Otherwise we need to go through data */ |
||||||
|
} else { |
||||||
|
if(!(converter->features() & ShaderTools::ConverterFeature::ConvertData)) { |
||||||
|
Error{} << converterName << "doesn't support data conversion"; |
||||||
|
return 16; |
||||||
|
} |
||||||
|
|
||||||
|
/* This is the first --converter and there are more, go from a file
|
||||||
|
to data */ |
||||||
|
if(i == 0 && converterCount > 1) { |
||||||
|
if(args.isSet("verbose")) |
||||||
|
Debug{} << "Processing (" << Debug::nospace << (i+1) << Debug::nospace << "/" << Debug::nospace << converterCount << Debug::nospace << ") with" << converterName << Debug::nospace << "..."; |
||||||
|
|
||||||
|
/* Linking */ |
||||||
|
if(args.isSet("link")) { |
||||||
|
if(!(data = converter->linkFilesToData(linkInputs))) { |
||||||
|
Error{} << "Cannot link" << args.arrayValue("input", 0) << "and others to" << args.value("output"); |
||||||
|
return 17; |
||||||
|
} |
||||||
|
|
||||||
|
/* Converting */ |
||||||
|
} else { |
||||||
|
if(!(data = converter->convertFileToData(ShaderTools::Stage::Unspecified, args.arrayValue("input", 0)))) { |
||||||
|
Error{} << "Cannot convert" << args.arrayValue("input", 0); |
||||||
|
return 18; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
/* This is neither first nor last --converter, go from data to
|
||||||
|
data */ |
||||||
|
} else if(i > 0 && i + 1 < converterCount) { |
||||||
|
if(args.isSet("verbose")) |
||||||
|
Debug{} << "Processing (" << Debug::nospace << (i+1) << Debug::nospace << "/" << Debug::nospace << converterCount << Debug::nospace << ") with" << converterName << Debug::nospace << "..."; |
||||||
|
|
||||||
|
CORRADE_INTERNAL_ASSERT(data); |
||||||
|
|
||||||
|
/* Subsequent operations are always a conversion, not link */ |
||||||
|
if(!(data = converter->convertDataToData(ShaderTools::Stage::Unspecified, data))) { |
||||||
|
Error{} << "Cannot convert shader data"; |
||||||
|
return 19; |
||||||
|
} |
||||||
|
|
||||||
|
/* This is the last --converter, output to a file and exit the
|
||||||
|
loop */ |
||||||
|
} else if(i + 1 >= converterCount) { |
||||||
|
if(args.isSet("verbose")) |
||||||
|
Debug{} << "Saving output with" << converterName << Debug::nospace << "..."; |
||||||
|
|
||||||
|
CORRADE_INTERNAL_ASSERT(data); |
||||||
|
|
||||||
|
/* Subsequent operations are always a conversion, not link */ |
||||||
|
if(!converter->convertDataToFile(ShaderTools::Stage::Unspecified, data, args.value("output"))) { |
||||||
|
Error{} << "Cannot save file" << args.value("output"); |
||||||
|
return 20; |
||||||
|
} |
||||||
|
|
||||||
|
} else CORRADE_INTERNAL_ASSERT_UNREACHABLE(); |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
Loading…
Reference in new issue