shaderFunction.h

//
// Copyright 2020 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HGI_SHADERFUNCTION_H
#define PXR_IMAGING_HGI_SHADERFUNCTION_H

#include "pxr/pxr.h"
#include "pxr/imaging/hgi/api.h"
#include "pxr/imaging/hgi/enums.h"
#include "pxr/imaging/hgi/handle.h"
#include "pxr/imaging/hgi/shaderFunctionDesc.h"
#include "pxr/imaging/hgi/types.h"

PXR_NAMESPACE_OPEN_SCOPE

class HgiShaderFunction
{
public:
    HGI_API
    virtual ~HgiShaderFunction();

    HGI_API
    HgiShaderFunctionDesc const& GetDescriptor() const;

    HGI_API
    virtual bool IsValid() const = 0;

    HGI_API
    virtual std::string const& GetCompileErrors() = 0;

    HGI_API
    virtual size_t GetByteSizeOfResource() const = 0;

    HGI_API
    virtual uint64_t GetRawResource() const = 0;

protected:
    HGI_API
    HgiShaderFunction(HgiShaderFunctionDesc const& desc);

    HgiShaderFunctionDesc _descriptor;

private:
    HgiShaderFunction() = delete;
    HgiShaderFunction & operator=(const HgiShaderFunction&) = delete;
    HgiShaderFunction(const HgiShaderFunction&) = delete;
};

using HgiShaderFunctionHandle = HgiHandle<class HgiShaderFunction>;
using HgiShaderFunctionHandleVector = std::vector<HgiShaderFunctionHandle>;

PXR_NAMESPACE_CLOSE_SCOPE

#endif