materialcommon.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
 
#include <vector>
#include "uniforminstance.h"
#include "bufferbindinginstance.h"
#include "shadervariabledeclarations.h"
#include "gpubuffer.h"
 
namespace nap
{
    enum class EBlendMode : int
    {
        NotSet = 0,             
        Opaque,                 
        AlphaBlend,             
        Additive                
    };
 
 
    enum class ECullWindingOrder : int
    {
        Clockwise = 0,
        CounterClockwise
    };
 
 
    enum class EDepthMode : int
    {
        NotSet = 0,             
        InheritFromBlendMode,   
        ReadWrite,              
        ReadOnly,               
        WriteOnly,              
        NoReadWrite             
    };
 
 
    enum class EDepthCompareMode : int
    {
        NotSet = 0,
        Never,
        Less,
        Equal,
        LessOrEqual,
        Greater,
        NotEqual,
        GreaterOrEqual,
        Always
    };
 
 
    using ShaderConstantHash = uint;
 
 
    class UniformBufferObject
    {
    public:
        using UniformList = std::vector<const UniformLeafInstance*>;
 
        UniformBufferObject(const BufferObjectDeclaration& declaration) :
            mDeclaration(&declaration)
        {
            assert(declaration.mDescriptorType == EDescriptorType::Uniform);
        }
 
        const BufferObjectDeclaration*          mDeclaration;
        UniformList                             mUniforms;
    };
 
 
    class ShaderStorageBufferObject
    {
    public:
        using BufferBindingList = std::vector<const BufferBindingInstance*>;
 
        ShaderStorageBufferObject(const BufferObjectDeclaration& declaration) :
            mDeclaration(&declaration)
        {
            assert(declaration.mDescriptorType == EDescriptorType::Storage);
        }
 
        const BufferObjectDeclaration*          mDeclaration;
        const BufferBindingInstance*            mBufferBinding;
    };
}