GLComputeShader.h

#pragma once
#include "DLLInfo.h"
#include <NDEVR/Buffer.h>
#include <QOpenGLContext>
#include <QOffscreenSurface>
#include <QSurfaceFormat>
#ifdef _WIN32
#include <QOpenGLFunctions_4_3_Core>
#include <QOpenGLShaderProgram>
namespace NDEVR
{
    class GLES_INTERFACE_API GLComputeShader
    {
    public:
        GLComputeShader();
        void setupGL();
        void ensureCurrent();
        void setQtGL(QOpenGLFunctions_4_3_Core* gl);
        void ensureSSBO(GLuint& id, GLsizeiptr bytes, GLenum usage);
        void readBytes(GLuint buf, void* dst, GLsizeiptr bytes);
        static void ResetAtomicAll(QOpenGLFunctions_4_3_Core* gl, GLuint buf);
        static inline uint04 CeilDiv(uint04 a, uint04 b) { return (a + b - 1) / b; }
        static void ReadBytes(QOpenGLFunctions_4_3_Core* gl, GLenum target, GLuint buf, void* dst, GLsizeiptr bytes);
    protected:
        QOpenGLContext* m_ctx = nullptr;              
        QOpenGLFunctions_4_3_Core* m_gl = nullptr;    
        QOffscreenSurface* m_surf = nullptr;          
    };
}
#endif