refactor(asset_baker): removed unused cod & add shader baking support through system glslc calls
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8C30176798F1A6BA
5 changed files with 85 additions and 179 deletions
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@ -1,9 +1,17 @@
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add_executable_module(
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asset_baker entrypoint/baker.cpp
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add_library_module(libasset_baker
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bakers.cpp
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)
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target_link_libraries(libasset_baker
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PUBLIC
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assets
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logger
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lt_debug
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)
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add_test_module(libasset_baker
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bakers.test.cpp
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)
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target_link_libraries(
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asset_baker
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PRIVATE asset_parser
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PRIVATE logger
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add_executable_module(asset_baker
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entrypoint/baker.cpp
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)
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target_link_libraries(asset_baker PRIVATE libasset_baker)
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0
modules/asset_baker/private/bakers.cpp
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0
modules/asset_baker/private/bakers.cpp
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7
modules/asset_baker/private/bakers.test.cpp
Normal file
7
modules/asset_baker/private/bakers.test.cpp
Normal file
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@ -0,0 +1,7 @@
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#include <asset_baker/bakers.hpp>
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#include <test/test.hpp>
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using ::lt::test::Case;
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using ::lt::test::Suite;
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// TODO(Light): add asset baking tests!
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@ -1,68 +1,5 @@
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#include <asset_baker/bakers.hpp>
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#include <asset_parser/assets/text.hpp>
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#include <asset_parser/assets/texture.hpp>
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#include <asset_parser/parser.hpp>
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#include <filesystem>
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#include <logger/logger.hpp>
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void try_packing_texture(
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const std::filesystem::path &in_path,
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const std::filesystem::path &out_path
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)
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{
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auto texture_loader = lt::TextureLoaderFactory::create(in_path.extension().string());
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if (!texture_loader)
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{
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// Don't log anything; this is expected.
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return;
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}
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try
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{
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Assets::TextureAsset::pack(texture_loader->load(in_path), out_path);
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log_inf("Packed a texture asset:");
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log_inf("\tloader : {}", texture_loader->get_name());
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log_inf("\tin path: {}", in_path.string());
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log_inf("\tout path: {}", out_path.string());
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}
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catch (const std::exception &exp)
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{
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log_err("Failed to pack texture asset:");
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log_err("\tloader : {}", texture_loader->get_name());
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log_err("\tin path : {}", in_path.string());
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log_err("\tout path: {}", out_path.string());
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log_err("\texp.what: {}", exp.what());
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}
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}
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void try_packing_text(const std::filesystem::path &in_path, const std::filesystem::path &out_path)
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{
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auto text_loader = lt::TextLoaderFactory::create(in_path.extension().string());
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if (!text_loader)
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{
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// Don't log anything; this is expected.
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return;
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}
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try
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{
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Assets::TextAsset::pack(text_loader->load(in_path), out_path);
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log_inf("Packed a text asset:");
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log_inf("\tloader : {}", text_loader->get_name());
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log_inf("\tin path: {}", in_path.string());
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log_inf("\tout path: {}", out_path.string());
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}
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catch (const std::exception &exp)
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{
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log_err("Failed to pack a text asset:");
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log_err("\tloader : {}", text_loader->get_name());
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log_err("\tin path : {}", in_path.string());
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log_err("\tout path: {}", out_path.string());
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log_err("\texp.what: {}", exp.what());
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}
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}
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#include <assets/shader.hpp>
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auto main(int argc, char *argv[]) -> int32_t
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try
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@ -81,12 +18,16 @@ try
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}
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const auto &in_path = directory_iterator.path();
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const auto out_path = std::format("{}.asset", in_path.c_str());
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auto out_path = in_path;
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out_path.replace_extension(".asset");
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try_packing_texture(in_path, out_path);
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try_packing_text(in_path, out_path);
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if (in_path.extension() == ".vert")
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{
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bake_shader(in_path, out_path, lt::assets::ShaderAsset::Type::vertex);
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}
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else if (in_path.extension() == ".frag")
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{
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bake_shader(in_path, out_path, lt::assets::ShaderAsset::Type::fragment);
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}
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}
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return EXIT_SUCCESS;
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@ -1,114 +1,64 @@
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#pragma once
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#include <asset_parser/assets/text.hpp>
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#include <asset_parser/assets/texture.hpp>
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#include <filesystem>
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#include <logger/logger.hpp>
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#include <string_view>
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#include <unordered_set>
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#include <assets/shader.hpp>
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namespace lt {
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class Loader
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inline void bake_shader(
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const std::filesystem::path &in_path,
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const std::filesystem::path &out_path,
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lt::assets::ShaderAsset::Type type
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)
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{
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public:
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[[nodiscard]] virtual auto get_name() const -> std::string_view = 0;
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using lt::assets::ShaderAsset;
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using enum lt::assets::ShaderAsset::Type;
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Loader() = default;
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auto glsl_path = in_path.string();
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auto spv_path = std::format("{}.spv", glsl_path);
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log_trc(
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"Compiling {} shader {} -> {}",
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type == vertex ? "vertex" : "fragment",
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glsl_path,
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spv_path
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);
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Loader(Loader &&) = default;
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Loader(const Loader &) = delete;
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auto operator=(Loader &&) -> Loader & = default;
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auto operator=(const Loader &) -> Loader & = delete;
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virtual ~Loader() = default;
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private:
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};
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class TextureLoader: public Loader
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{
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public:
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TextureLoader() = default;
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[[nodiscard]] virtual auto load(std::filesystem::path file_path) const
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-> Assets::TextureAsset::PackageData
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= 0;
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};
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class TextureLoaderFactory
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{
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public:
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static auto create(std::string_view file_extension) -> std::unique_ptr<TextureLoader>
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{
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return {};
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}
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};
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class TextLoader: Loader
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{
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public:
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[[nodiscard]] static auto get_supported_extensions() -> std::unordered_set<std::string_view>
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{
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return { ".glsl", ".txt", ".hlsl" };
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}
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[[nodiscard]] auto get_name() const -> std::string_view override
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{
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return "TextLoader";
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}
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[[nodiscard]] auto load(const std::filesystem::path &file_path) const
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-> Assets::TextAsset::PackageData
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{
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auto stream = std::ifstream { file_path, std::ios::binary };
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if (!stream.good())
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{
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throw std::runtime_error {
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// Don't bother linking to shaderc, just invoke the command with a system call.
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// NOLINTNEXTLINE(concurrency-mt-unsafe)
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system(
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std::format(
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"Failed to open ifstream for text loading of file: {}",
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file_path.string()
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),
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};
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}
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"glslc --target-env=vulkan1.4 -std=450core -fshader-stage={} {} -o {}",
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type == vertex ? "vert" : "frag",
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glsl_path,
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spv_path
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)
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.c_str()
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);
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auto file_size = std::filesystem::file_size(file_path);
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auto stream = std::ifstream(spv_path, std::ios::binary);
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lt::ensure(
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stream.is_open(),
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"Failed to open compiled {} shader at: {}",
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type == vertex ? "vert" : "frag",
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spv_path
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);
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auto text_blob = Assets::Blob(file_size);
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stream.seekg(0, std::ios::end);
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const auto size = stream.tellg();
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stream.read((char *)(text_blob.data()), static_cast<long>(file_size)); // NOLINT
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auto bytes = std::vector<std::byte>(size);
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stream.seekg(0, std::ios::beg);
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stream.read((char *)bytes.data(), size); // NOLINT
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log_dbg("BYTES: {}", bytes.size());
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stream.close();
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std::filesystem::remove(spv_path);
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const auto metadata = Assets::Asset::Metadata {
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.type = Assets::Asset::Type::Text,
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};
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const auto text_metadata = Assets::TextAsset::Metadata {
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.lines = {},
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};
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return Assets::TextAsset::PackageData {
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.metadata = metadata,
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.text_metadata = {},
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.text_blob = std::move(text_blob),
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};
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}
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};
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class TextLoaderFactory
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{
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public:
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static auto create(std::string_view file_extension) -> std::unique_ptr<TextLoader>
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{
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if (TextLoader::get_supported_extensions().contains(file_extension))
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{
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return std::make_unique<TextLoader>();
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}
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return {};
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}
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};
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} // namespace lt
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ShaderAsset::pack(
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out_path,
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lt::assets::AssetMetadata {
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.version = lt::assets::current_version,
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.type = ShaderAsset::asset_type_identifier,
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},
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ShaderAsset::Metadata {
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.type = type,
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},
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std::move(bytes)
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);
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}
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