RHISampler.hpp

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/* This file is part of Berserk Engine project                                    */
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/* Copyright (c) 2018 - 2021 Egor Orachyov                                        */
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#ifndef BERSERK_RHISAMPLER_HPP
#define BERSERK_RHISAMPLER_HPP
 
#include <core/Config.hpp>
#include <core/Typedefs.hpp>
#include <rhi/RHIResource.hpp>
 
BRK_NS_BEGIN
 
struct RHISamplerDesc {
    float minLod;
    float maxLod;
    float maxAnisotropy;
    bool useAnisotropy;
    RHISamplerMinFilter minFilter : 4;
    RHISamplerMagFilter magFilter : 4;
    RHISamplerRepeatMode u : 4;
    RHISamplerRepeatMode v : 4;
    RHISamplerRepeatMode w : 4;
    RHISamplerBorderColor color : 4;
 
    RHISamplerDesc() {
        minLod = 0;
        maxLod = RHILimits::MAX_TEXTURE_MIPMAPS;
        maxAnisotropy = 1.0f;
        useAnisotropy = false;
        minFilter = RHISamplerMinFilter::Nearest;
        magFilter = RHISamplerMagFilter::Nearest;
        u = RHISamplerRepeatMode::Repeat;
        v = RHISamplerRepeatMode::Repeat;
        w = RHISamplerRepeatMode::Repeat;
        color = RHISamplerBorderColor::Black;
    }
};
 
class RHISampler : public RHIResource {
public:
    BRK_API ~RHISampler() override = default;
 
    const RHISamplerDesc &GetDesc() const { return mState; }
 
protected:
    RHISamplerDesc mState;
};
 
BRK_NS_END
 
#endif//BERSERK_RHISAMPLER_HPP