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Currently there's just a plugin interface for shader converters. More stuff (probably something like SPIR-V reflection) will come later.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| This file is part of Magnum. | ||
| Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, | ||
| 2020 Vladimír Vondruš <[email protected]> | ||
| Permission is hereby granted, free of charge, to any person obtaining a | ||
| copy of this software and associated documentation files (the "Software"), | ||
| to deal in the Software without restriction, including without limitation | ||
| the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| and/or sell copies of the Software, and to permit persons to whom the | ||
| Software is furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included | ||
| in all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
| THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| DEALINGS IN THE SOFTWARE. | ||
| */ | ||
|
|
||
| #include <unordered_map> | ||
| #include <Corrade/Containers/Array.h> | ||
| #include <Corrade/Containers/Optional.h> | ||
| #include <Corrade/Containers/String.h> | ||
| #include <Corrade/Utility/Resource.h> | ||
|
|
||
| #include "Magnum/FileCallback.h" | ||
| #include "Magnum/ShaderTools/AbstractConverter.h" | ||
|
|
||
| #define DOXYGEN_IGNORE(...) __VA_ARGS__ | ||
|
|
||
| using namespace Magnum; | ||
|
|
||
| int main() { | ||
| { | ||
| Containers::Pointer<ShaderTools::AbstractConverter> converter; | ||
| Containers::Array<const char> extract(const std::string&, const std::string&); | ||
| /* [AbstractConverter-usage-callbacks] */ | ||
| struct Data { | ||
| std::unordered_map<std::string, | ||
| Containers::Array<const char>> files; | ||
| } data; | ||
|
|
||
| converter->setInputFileCallback([](const std::string& filename, | ||
| InputFileCallbackPolicy policy, Data& data) | ||
| -> Containers::Optional<Containers::ArrayView<const char>> | ||
| { | ||
| auto found = data.files.find(filename); | ||
|
|
||
| /* Discard the loaded file, if not needed anymore */ | ||
| if(policy == InputFileCallbackPolicy::Close) { | ||
| if(found != data.files.end()) data.files.erase(found); | ||
| return {}; | ||
| } | ||
|
|
||
| /* Extract from an archive if not there yet */ | ||
| if(found == data.files.end()) found = data.files.emplace( | ||
| filename, extract("shaders.zip", filename)).first; | ||
|
|
||
| return Containers::arrayView(found->second); | ||
| }, data); | ||
|
|
||
| /* extracted from a ZIP */ | ||
| auto result = converter->validateFile(ShaderTools::Stage::Fragment, "ssao.frag"); | ||
| /* [AbstractConverter-usage-callbacks] */ | ||
| } | ||
|
|
||
| { | ||
| Containers::Pointer<ShaderTools::AbstractConverter> converter; | ||
| /* [AbstractConverter-setInputFileCallback] */ | ||
| converter->setInputFileCallback([](const std::string& filename, | ||
| InputFileCallbackPolicy, void*) { | ||
| Utility::Resource rs("data"); | ||
| return Containers::optional(rs.getRaw(filename)); | ||
| }); | ||
| /* [AbstractConverter-setInputFileCallback] */ | ||
| } | ||
|
|
||
| { | ||
| Containers::Pointer<ShaderTools::AbstractConverter> converter; | ||
| /* [AbstractConverter-setInputFileCallback-template] */ | ||
| const Utility::Resource rs{"data"}; | ||
| converter->setInputFileCallback([](const std::string& filename, | ||
| InputFileCallbackPolicy, const Utility::Resource& rs) { | ||
| return Containers::optional(rs.getRaw(filename)); | ||
| }, rs); | ||
| /* [AbstractConverter-setInputFileCallback-template] */ | ||
| } | ||
|
|
||
| } |
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