58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
#pragma once
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#include "opengl/shading/model_geometry.hpp"
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#include "opengl/shading/features/generic_features.hpp"
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namespace zgl::shading
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{
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struct shader_program_requirements
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{
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model_geometry::types geometry;
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features::generic::type features;
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};
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}
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/*
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struct shader_program_metadata
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{
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using generic_feature_type = std::common_type_t<
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std::underlying_type_t<features::mesh::flags>,
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std::underlying_type_t<features::point_cloud::flags>
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>;
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static constexpr auto geometry_bits = static_cast<std::size_t>(std::bit_width(geometry::names.size()));
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static constexpr auto feature_bits = sizeof(generic_feature_type) * 8 - geometry_bits;
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explicit shader_program_metadata(const features::mesh::flags static_enabled, const features::mesh::flags dynamic_enable) :
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shader_program_metadata(
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geometry::types::mesh,
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static_cast<generic_feature_type>(static_enabled),
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static_cast<generic_feature_type>(dynamic_enable)
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) {}
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explicit shader_program_metadata(const features::point_cloud::flags static_enabled, const features::point_cloud::flags dynamic_enable) :
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shader_program_metadata(
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geometry::types::point_cloud,
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static_cast<generic_feature_type>(static_enabled),
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static_cast<generic_feature_type>(dynamic_enable)
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) {}
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shader_program_metadata(const geometry::types geometry_type, const generic_feature_type static_enabled, generic_feature_type dynamic_enable) :
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m_geometry_type{ geometry_type }, m_static_enabled{ static_enabled }, m_dynamic_enable{ dynamic_enable } {}
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[[nodiscard]] auto operator<=>(const shader_program_metadata& other) const noexcept
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{
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return (
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std::tie(this->m_geometry_type, std::popcount(this->m_static_enabled), std::popcount(this->m_dynamic_enable)) <=>
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std::tie(other.m_geometry_type, std::popcount(other.m_static_enabled), std::popcount(other.m_dynamic_enable))
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);
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}
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[[nodiscard]] bool operator==(const shader_program_metadata& other) const noexcept = default;
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geometry::types m_geometry_type : geometry_bits;
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generic_feature_type m_static_enabled : feature_bits;
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generic_feature_type m_dynamic_enable;
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};*/
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