61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "private/filament/SibGenerator.h"
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#include <backend/DriverEnums.h>
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#include <private/filament/SamplerInterfaceBlock.h>
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namespace filament {
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SamplerInterfaceBlock const& SibGenerator::getPerViewSib() noexcept {
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using Type = SamplerInterfaceBlock::Type;
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using Format = SamplerInterfaceBlock::Format;
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using Precision = SamplerInterfaceBlock::Precision;
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// TODO: ideally we'd want this to be constexpr, this is a compile time structure
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static SamplerInterfaceBlock sib = SamplerInterfaceBlock::Builder()
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.name("Light")
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.add("shadowMap", Type::SAMPLER_2D_ARRAY, Format::SHADOW, Precision::LOW)
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.add("records", Type::SAMPLER_2D, Format::UINT, Precision::MEDIUM)
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.add("froxels", Type::SAMPLER_2D, Format::UINT, Precision::MEDIUM)
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.add("iblDFG", Type::SAMPLER_2D, Format::FLOAT, Precision::MEDIUM)
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.add("iblSpecular", Type::SAMPLER_CUBEMAP, Format::FLOAT, Precision::MEDIUM)
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.add("ssao", Type::SAMPLER_2D, Format::FLOAT, Precision::MEDIUM)
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.add("ssr", Type::SAMPLER_2D, Format::FLOAT, Precision::MEDIUM)
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.build();
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assert(sib.getSize() == PerViewSib::SAMPLER_COUNT);
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return sib;
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}
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SamplerInterfaceBlock const* SibGenerator::getSib(uint8_t bindingPoint) noexcept {
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switch (bindingPoint) {
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case BindingPoints::PER_VIEW:
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return &getPerViewSib();
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case BindingPoints::PER_RENDERABLE:
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return nullptr;
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case BindingPoints::LIGHTS:
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return nullptr;
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default:
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return nullptr;
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}
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}
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} // namespace filament
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