uniformcontainer.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
#pragma once
 
// Local Includes
#include "samplerinstance.h"
#include "uniforminstance.h"
#include "bufferbindinginstance.h"
#include "shaderconstant.h"
 
namespace nap
{
    class NAPAPI UniformContainer
    {
        RTTI_ENABLE()
    public:
        using UniformStructInstanceList = std::vector<std::unique_ptr<UniformStructInstance>>;
        using BufferBindingInstanceList = std::vector<std::unique_ptr<BufferBindingInstance>>;
        using SamplerInstanceList = std::vector<std::unique_ptr<SamplerInstance>>;
        using ShaderConstantInstanceList = std::vector<std::unique_ptr<ShaderConstantInstance>>;
 
        UniformContainer() = default;
        virtual ~UniformContainer() = default;
 
        UniformContainer(const UniformContainer&) = delete;
        UniformContainer& operator=(const UniformContainer&) = delete;
 
        UniformStructInstance* findUniform(const std::string& name) const;
 
        SamplerInstance* findSampler(const std::string& name) const;
 
        BufferBindingInstance* findBinding(const std::string& name) const;
 
        ShaderConstantInstance* findConstant(const std::string& name) const;
 
        const SamplerInstanceList& getSamplers() const                              { return mSamplerInstances; }
 
        const BufferBindingInstanceList& getBufferBindings() const                  { return mBindingInstances; }
 
        const ShaderConstantInstanceList& getConstants() const                      { return mConstantInstances; }
 
        const UniformStructInstanceList& getUniformStructs() const                  { return mUniformRootStructs; }
 
    protected:
        UniformStructInstance& createUniformRootStruct(const ShaderVariableStructDeclaration& declaration, const UniformCreatedCallback& uniformCreatedCallback);
        BufferBindingInstance& addBindingInstance(std::unique_ptr<BufferBindingInstance> instance);
        SamplerInstance& addSamplerInstance(std::unique_ptr<SamplerInstance> instance);
        ShaderConstantInstance& addConstantInstance(std::unique_ptr<ShaderConstantInstance> instance);
        
    private:
        UniformStructInstanceList mUniformRootStructs;
        BufferBindingInstanceList mBindingInstances;
        SamplerInstanceList mSamplerInstances;
        ShaderConstantInstanceList mConstantInstances;
    };
}