/* 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 _GLESCONTEXT_H_

#define _GLESCONTEXT_H_

#include "platform.h"

#include "degl.h"

#include "vertex.h"

#include "buffer.h"

#include "shader.h"

#include "program.h"

#include "texture.h"

#include "fbo.h"

typedef struct DGLContext

{

    GLboolean	initialized;

    void*		native_context;

    HGL			hgl;	// Extension procedure addresses are context-specific on WGL.

    unsigned int max_vertex_attribs;

    int max_texture_level;

    GLenum error;

    GLuint buffer_binding;

    GLuint texture_binding_2d;

    GLuint texture_binding_cube_map;

	GLuint framebuffer_binding;

	GLuint renderbuffer_binding;

    GLfloat attrib_zero[4];	// Attribute zero can't be set in desktop GL.

    DGLVertexArray*		vertex_arrays;

    DGLBuffer*			buffers;

    DGLShader*			shaders;

    DGLProgram*			programs;

    DGLTexture*			textures;

	DGLRenderbuffer*	renderbuffers;

} DGLContext;

DGLContext* DGLContext_create(void* native_context);

GLboolean	DGLContext_initialize(DGLContext* ctx);

void		DGLContext_destroy(DGLContext* ctx);

void		DGLContext_setError(DGLContext* ctx, GLenum error);

GLenum		DGLContext_getHostError(DGLContext* ctx);

GLboolean	DGLContext_createBuffer(DGLContext* ctx, GLuint buffer);

void		DGLContext_destroyBuffer(DGLContext* ctx, GLuint buffer);

DGLBuffer*	DGLContext_findBuffer(DGLContext* ctx, GLuint buffer);

GLboolean	DGLContext_bindBuffer(DGLContext* ctx, GLuint buffer);

GLboolean	DGLContext_createShader(DGLContext* ctx, GLuint shader);

void		DGLContext_destroyShader(DGLContext* ctx, GLuint shader);

DGLShader*	DGLContext_findShader(DGLContext* ctx, GLuint shader);

GLboolean	DGLContext_setShaderSource(DGLContext* ctx, GLuint shader, const char* source, int length);

GLboolean	DGLContext_createProgram(DGLContext* ctx, GLuint program);

void		DGLContext_destroyProgram(DGLContext* ctx, GLuint program);

DGLProgram*	DGLContext_findProgram(DGLContext* ctx, GLuint program);

GLboolean			DGLContext_createTexture(DGLContext* ctx, GLuint texture, DGLTextureType type);

void				DGLContext_destroyTexture(DGLContext* ctx, GLuint texture);

DGLTexture*			DGLContext_findTexture(DGLContext* ctx, GLuint texture);

GLboolean			DGLContext_bindTexture(DGLContext* ctx, GLenum target, GLuint name);

DGLTexture*			DGLContext_getTexture(DGLContext* ctx, GLenum target);

DGLTextureLevel*	DGLContext_getTextureLevel(DGLContext* ctx, GLenum target, GLint level);

GLboolean			DGLContext_specifyTextureFromEGLImage(DGLContext* ctx, GLeglImageOES image, GLenum target);

GLboolean			DGLContext_createRenderbuffer(DGLContext* ctx, GLuint buffer);

void				DGLContext_destroyRenderbuffer(DGLContext* ctx, GLuint buffer);

DGLRenderbuffer*	DGLContext_getColorRenderbuffer(DGLContext* ctx);

DGLRenderbuffer*	DGLContext_findRenderbuffer(DGLContext* ctx, GLuint buffer);

GLboolean			DGLContext_bindRenderbuffer(DGLContext* ctx, GLuint buffer);

GLboolean			DGLContext_specifyRenderbufferFromEGLImage(DGLContext* ctx, GLeglImageOES image);

void	DGLContext_updateFBOAttachmentSiblings(DGLContext* ctx);

#ifdef __cplusplus

}

#endif

#endif // _GLESCONTEXT_H_