64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#pragma once
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#include <unordered_map>
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#include <bit>
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#include <format>
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#include <ranges>
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#include <bits/ranges_algo.h>
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#include "assets/data_stores/shader_source_store.hpp"
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#include "opengl/shader_program_lookup.hpp"
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#include "opengl/handles/shader_handle.hpp"
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#include "util/string_lookup.hpp"
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#include "shader_source_manager.hpp"
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#include "assets/data_stores.hpp"
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#include "opengl/metadata/shader_metadata.hpp"
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#include "opengl/data/shader_data.hpp"
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#include "opengl/handles/shader_handle_set.hpp"
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#include "opengl/shading/requirements/shader_requirements.hpp"
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#include "opengl/metadata/shader_set_metadata.hpp"
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#include "opengl/shading/requirements/shader_program_requirements.hpp"
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namespace zgl
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{
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class shader_manager
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{
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public:
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using store_type = shader_source_manager::store_type;
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using metadata_type = shader_metadata;
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using data_type = shader_data;
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using handle_type = shader_handle;
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using entry_type = std::pair<metadata_type, data_type>;
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using entry_view_type = std::pair<metadata_type, handle_type>;
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void process(const store_type& shader_sources);
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void fetch(
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const assets::shader_source_store& shader_sources,
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std::span<const shading::shader_program_requirements> requirements,
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std::span<shader_set_metadata> metadata,
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std::span<shader_handle_set> shader_sets
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);
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protected:
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std::optional<entry_view_type> find_shader(
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const shading::shader_requirements& requirements
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);
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static bool compile_shader(
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GLenum shader_type,
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std::span<const char*> source_strings,
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shader_data& shader
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);
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shader_source_manager m_preprocessor{};
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std::vector<entry_type> m_shader_lookup{};
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private:
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std::vector<shading::shader_requirements> m_source_requirement_buffer{};
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std::vector<preprocessed_shader_source_metadata> m_preprocessed_shader_source_metadata_buffer{};
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std::vector<const char*> m_source_strings_buffer{};
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};
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}
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