TrGL2LocalContext.h

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// Copyright (C) 2002-2024, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2024 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
// GLES2 device local context
 
#ifndef ODTRGL2LOCALCONTEXT
#define ODTRGL2LOCALCONTEXT
 
#include "TD_PackPush.h"
 
#include "../TrRndLocalContext.h"
#include "GLES2Include.h"
#include "../TrRenderExport.h"

#define GLProcedure0(t,a) virtual t no##a() const;
#define GLProcedure(t,a,b) virtual t no##a(b) const;
#define GLFunction0(t,a) virtual t no##a() const;
#define GLFunction(t,a,b) virtual t no##a(b) const;
#define GLFunction2(t,a,b,c) virtual t no##a(b,c) const;
#define GLFunction3(t,a,b,c,d) virtual t no##a(b,c,d) const;
#define GLFunction4(t,a,b,c,d,e) virtual t no##a(b,c,d,e) const;
#define GLFunction5(t,a,b,c,d,e,f) virtual t no##a(b,c,d,e,f) const;
#define GLFunction6(t,a,b,c,d,e,f,g) virtual t no##a(b,c,d,e,f,g) const;
#define GLFunction7(t,a,b,c,d,e,f,g,h) virtual t no##a(b,c,d,e,f,g,h) const;
#define GLFunction9(t,a,b,c,d,e,f,g,h,i,j) virtual t no##a(b,c,d,e,f,g,h,i,j) const;
 
class TDRENDER_EXPORT OdTrGL2LocalContext : public OdTrRndLocalContext
{
  virtual void CreateExtensionRegistry() const;
  protected:
    mutable DrawBufferLayout m_drawBufferLayout;
    mutable ReadBufferLayout m_readBufferLayout;
  public:
    OdTrGL2LocalContext() : OdTrRndLocalContext() { }
 
    virtual OdTrRndNoGLShaderState* CreateShaderState() const;
 
    // Returns active draw buffer layout or nullptr if layouts doesn't supported.
    const DrawBufferLayout *activeDrawBufferLayout() const;
    // Return true if active draw buffer layout is fully compatible with specified layout.
    bool isDrawBufferLayoutCompatible(const DrawBufferLayout &dbl) const;
    // Change active draw buffer layout. Return previous active layout state.
    DrawBufferLayout changeDrawBufferLayout(const DrawBufferLayout &dbl);
 
    // Returns active read buffer layout or nullptr if layouts doesn't supported.
    const ReadBufferLayout *activeReadBufferLayout() const;
    // Return true if active read buffer layout is fully compatible with specified layout.
    bool isReadBufferLayoutCompatible(const ReadBufferLayout &rbl) const;
    // Change active read buffer layout. Return previous active layout state.
    ReadBufferLayout changeReadBufferLayout(const ReadBufferLayout &rbl);
 
#include "Tr/render/nogl/TrRndNoGLContextHolderFunctionsList.inl"
 
    bool noglDrawSimplePoint(const GLfloat *pPoint) const;
    bool noglDrawSimplePoint(const GLdouble *pPoint) const;
    bool noglDrawSimpleLine(const GLfloat *pPoint0, const GLfloat *pPoint1) const;
    bool noglDrawSimpleLine(const GLdouble *pPoint0, const GLdouble *pPoint1) const;
    bool noglDrawSimpleIndexedPoint(GLuint id) const;
    bool noglDrawSimpleIndexedLine(GLuint id0, GLuint id1) const;
 
    bool noglWireframeMode(bool bEnable) const;
 
    // Each platform implementation must implement last one method
    static OdSmartPtr<OdTrGL2LocalContext> createLocalContext(OdTrVisRenderClient *pDevice);
};
 
typedef OdSmartPtr<OdTrGL2LocalContext> OdTrGL2LocalContextPtr;
 
#include "TD_PackPop.h"
 
#endif // ODTRGL2LOCALCONTEXT