Ensure OpenGL ES 2.0 C functions use C signatures in C++ builds (fixes VS builds)
/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
#ifndef DEGL_H_
#define DEGL_H_
#include "common.h"
#ifdef __cplusplus
#include "GLES2Interface.h"
#include <set>
extern "C"
{
#endif /* __cplusplus */
struct DGLContext;
void* deglGetHostProcAddress(char const* proc);
struct DGLContext* deglGetCurrentContext(void);
int deglLockSurface(int read, int draw);
int deglUnlockSurface(void);
void deglGetImageInfo(GLeglImageOES image, GLenum* internalformat, GLsizei* width, GLsizei* height, GLsizei* stride, GLenum* dataformat, GLenum* datatype);
void* deglGetImageData(GLeglImageOES image);
void deglRegisterImageTarget(GLeglImageOES image, GLenum target, GLuint name);
void deglUnregisterImageTarget(GLeglImageOES image, GLenum target, GLuint name);
void deglUpdateImageSiblings(GLeglImageOES image, GLenum target, GLuint name);
void deglReleaseTexImage(void* surface, int name, int level);
#ifdef __cplusplus
DGLES2_EXPORT IEGLtoGLES2Interface* getGLES2Interface(void);
}
class EGLtoGLES2Interface : public IEGLtoGLES2Interface
{
public:
EGLtoGLES2Interface();
virtual ~EGLtoGLES2Interface() {}
void SetEGLInterface( IGLEStoEGLInterface* );
void* CreateContext( void* nativeContext );
bool ReleaseContext( void* context );
void* GetNativeContext( void* context );
fpGLProc GetGLProcAddress( const char *procname );
int BindTexImage( void* surface, int level, bool generateMipmap, const SurfaceDescriptor* desc, void* buffer );
bool ReleaseTexImage( int name, int level );
EStatus GetTextureInfo( void* context, EImageTarget target, void* texture, GLint textureLevel, SurfaceDescriptor& desc );
EStatus GetTextureData( void* context, EImageTarget target, void* texture, GLint textureLevel, void* data );
bool CopyBuffers( void* buf, const SurfaceDescriptor* desc );
bool UpdateBuffers( void* buf, const SurfaceDescriptor* desc );
bool UpdateImageSibling( EImageTarget target, void* name );
void Flush();
void Finish();
// Methods for local OpenGL ES -implementation. To be called only from OpenGL ES internals.
static IGLEStoEGLInterface* GetEGLInterface();
private:
IGLEStoEGLInterface* m_egl;
std::set<DGLContext*> m_contexts;
};
#endif /* __cplusplus */
#endif /* DEGL_H */