59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#include "rendering/shader_program_lookups/mesh_lookup.hpp"
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#include "util/logger.hpp" // TODO remove
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#include <bitset> // TODO remove
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namespace rendering::shader_program_lookups
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{
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void mesh_lookup::add(
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const zgl::shader_program_handle& shader_program_handle
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) {
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m_shader_program_lookup.add(
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shader_program_handle,
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shading::attributes::mesh::all,
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shading::uniforms::mesh::all
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);
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}
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std::optional<zgl::shader_program_handle> mesh_lookup::find(
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requirements::mesh::flags requirements
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) const {
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auto capability = shading::features::mesh::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::mesh::all[index].shader_program_requirement_index;
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const auto& [ attributes, uniforms ] = shading::features::mesh::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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// TODO if not textured and not colored add ucolor "for free"
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ztu::logger::debug("attributes reqs: %", std::bitset<32>{ static_cast<unsigned long long>(static_cast<int>(capability.attributes)) });
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ztu::logger::debug("uniforms reqs: %", std::bitset<32>{ static_cast<unsigned long long>(static_cast<int>(capability.uniforms)) });
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return m_shader_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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shading::attributes::mesh::all
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);
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}
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void mesh_lookup::print() {
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m_shader_program_lookup.print();
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}
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}
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