shaderProgram.h

//
// Copyright 2020 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HGIGL_SHADERPROGRAM_H
#define PXR_IMAGING_HGIGL_SHADERPROGRAM_H
 
#include "pxr/imaging/hgi/shaderProgram.h"
 
#include "pxr/imaging/hgiGL/api.h"
#include "pxr/imaging/hgiGL/shaderFunction.h"
 
#include <vector>
 
PXR_NAMESPACE_OPEN_SCOPE
 
 
class HgiGLShaderProgram final : public HgiShaderProgram
{
public:
    HGIGL_API
    ~HgiGLShaderProgram() override;
 
    HGIGL_API
    bool IsValid() const override;
 
    HGIGL_API
    std::string const& GetCompileErrors() override;
 
    HGIGL_API
    HgiShaderFunctionHandleVector const& GetShaderFunctions() const override;
 
    HGIGL_API
    size_t GetByteSizeOfResource() const override;
 
    HGIGL_API
    uint64_t GetRawResource() const override;
 
    HGIGL_API
    uint32_t GetProgramId() const;
 
    HGIGL_API
    uint32_t GetUniformBuffer(size_t sizeHint);
 
protected:
    friend class HgiGL;
 
    HGIGL_API
    HgiGLShaderProgram(HgiShaderProgramDesc const& desc);
 
private:
    HgiGLShaderProgram() = delete;
    HgiGLShaderProgram & operator=(const HgiGLShaderProgram&) = delete;
    HgiGLShaderProgram(const HgiGLShaderProgram&) = delete;
 
private:
    std::string _errors;
    uint32_t _programId;
    size_t _programByteSize;
    uint32_t _uniformBuffer;
    size_t _uboByteSize;
};
 
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif