48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#include "rendering/shader_program_lookups/point_cloud_lookup.hpp"
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namespace rendering::shader_program_lookups
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{
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void point_cloud_lookup::add(
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const zgl::shader_program_handle& shader_program_handle
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) {
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m_program_lookup.add(
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shader_program_handle,
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shader_program::attributes::point_cloud::all,
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shader_program::uniforms::point_cloud::all
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);
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}
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std::optional<zgl::shader_program_handle> point_cloud_lookup::find(
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requirements::point_cloud::flags requirements
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) const {
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auto capability = shader_program::capabilities::point_cloud::type{};
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auto index = std::size_t{};
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auto requirement_flags = static_cast<ztu::u32>(requirements);
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while (requirement_flags)
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{
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if (requirement_flags & 1)
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{
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const auto shader_requirements_index = requirements::point_cloud::all[index].shader_program_requirement_index;
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const auto& [ attributes, uniforms ] = shader_program::capabilities::point_cloud::all[shader_requirements_index];
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capability.attributes |= attributes;
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capability.uniforms |= uniforms;
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}
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requirement_flags >>= 1;
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++index;
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}
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return m_program_lookup.find(
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static_cast<ztu::u32>(capability.attributes),
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static_cast<ztu::u32>(capability.uniforms),
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shader_program::attributes::point_cloud::all
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);
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}
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}
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