Seele/src/Engine/Material/ShaderExpression.h

#pragma once
#include "MinimalEngine.h"

namespace Seele
{
struct ExpressionInput
{

};
struct ExpressionOutput
{

};
struct ShaderExpression
{
};
DECLARE_NAME_REF(Gfx, DescriptorSet);
struct ShaderParameter : public ShaderExpression
{
    std::string name;
    uint32 byteOffset;
    uint32 binding;
    ShaderParameter(std::string name, uint32 byteOffset, uint32 binding);
    virtual ~ShaderParameter();
    // update a descriptorset, in case of a uniform buffer, copy the data to the dst + byteOffset
    virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) = 0;
};
DEFINE_REF(ShaderParameter);
struct FloatParameter : public ShaderParameter
{
    float data;
    FloatParameter(std::string name, uint32 byteOffset, uint32 binding);
    virtual ~FloatParameter();
    virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) override;
};
DEFINE_REF(FloatParameter);
struct VectorParameter : public ShaderParameter
{
    Vector data;
    VectorParameter(std::string name, uint32 byteOffset, uint32 binding);
    virtual ~VectorParameter();
    virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) override;
};
DEFINE_REF(VectorParameter);
DECLARE_REF(TextureAsset);
struct TextureParameter : public ShaderParameter
{
    PTextureAsset data;
    TextureParameter(std::string name, uint32 byteOffset, uint32 binding);
    virtual ~TextureParameter();
    virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) override;
};
DEFINE_REF(TextureParameter);
DECLARE_NAME_REF(Gfx, SamplerState);
struct SamplerParameter : public ShaderParameter
{
    Gfx::PSamplerState data;
    SamplerParameter(std::string name, uint32 byteOffset, uint32 binding);
    virtual ~SamplerParameter();
    virtual void updateDescriptorSet(Gfx::PDescriptorSet descriptorSet, uint8* dst) override;
};
DEFINE_REF(SamplerParameter);

} // namespace Seele