sl@0: /*
sl@0: * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: OpenGL utility functions and definitions
sl@0: *
sl@0: */
sl@0: 
sl@0: #ifndef __M3G_GL_H__
sl@0: #define __M3G_GL_H__
sl@0: 
sl@0: /*!
sl@0:  * \internal
sl@0:  * \file
sl@0:  * \brief OpenGL utility functions and definitions
sl@0:  */
sl@0: 
sl@0: #include "M3G/m3g_core.h"
sl@0: #include "m3g_defs.h"
sl@0: 
sl@0: #if !(defined(M3G_NGL_CONTEXT_API) || defined(M3G_NGL_TEXTURE_API))
sl@0: #   include <GLES/gl.h>
sl@0: #   include <EGL/egl.h>
sl@0: #else
sl@0: 
sl@0: /*@notfunction@*/
sl@0: #   define NGL_PREFIX(func)     gl ## func
sl@0: /*@notfunction@*/
sl@0: #   define NGLI_PREFIX(func)    ngl ## func
sl@0: /*@notfunction@*/
sl@0: #   define NGLU_PREFIX(func)    nglu ## func
sl@0: #   include "ngl.h"
sl@0: 
sl@0: #endif
sl@0: 
sl@0: #if defined(__cplusplus)
sl@0: extern "C" {
sl@0: #endif
sl@0:     
sl@0: /*----------------------------------------------------------------------
sl@0:  * Handy macros
sl@0:  *--------------------------------------------------------------------*/
sl@0: 
sl@0: #if defined(M3G_DEBUG_ASSERTS)
sl@0:     static M3G_INLINE void m3gAssertGL(const char *filename, int line)
sl@0:     {
sl@0:         GLint err = glGetError();
sl@0:         if (err != GL_NO_ERROR) {
sl@0:             M3G_LOG3(M3G_LOG_FATAL_ERRORS, "GL error 0x%X (%s: %d)\n",
sl@0:                      err, filename, line);
sl@0:             M3G_ASSERT(M3G_FALSE);
sl@0:         }
sl@0:     }
sl@0: #   define M3G_ASSERT_GL m3gAssertGL(__FILE__, __LINE__)
sl@0: #else
sl@0: #   define M3G_ASSERT_GL
sl@0: #endif
sl@0: 
sl@0: #define M3G_GLTYPE(m3gType) ((m3gType) + 0x1400)
sl@0: #define M3G_M3GTYPE(glType) ((glType) - 0x1400)
sl@0: 
sl@0: /*----------------------------------------------------------------------
sl@0:  * Internal functions
sl@0:  *--------------------------------------------------------------------*/
sl@0:     
sl@0: static GLenum m3gGetGLFormat(M3GPixelFormat format);    /* m3g_image.inl */
sl@0: static void m3gGLColor(M3Guint argb, GLfixed *dst);     /* m3g_image.c */
sl@0: 
sl@0: #if !defined(M3G_NGL_CONTEXT_API)
sl@0: static void m3gInitializeEGL(void);     /* m3g_rendercontext.inl */
sl@0: static void m3gTerminateEGL(void);      /* m3g_rendercontext.inl */
sl@0: #endif
sl@0: 
sl@0: /*----------------------------------------------------------------------
sl@0:  * Native platform abstraction layer
sl@0:  *--------------------------------------------------------------------*/
sl@0:     
sl@0: #if !defined(M3G_NGL_CONTEXT_API)
sl@0:     
sl@0: M3Gbool m3gglLockNativeBitmap(M3GNativeBitmap bitmap,
sl@0:                               M3Gubyte **ptr,
sl@0:                               M3Gsizei *stride);
sl@0: void    m3gglReleaseNativeBitmap(M3GNativeBitmap bitmap);
sl@0:     
sl@0: M3Gbool m3gglGetNativeBitmapParams(M3GNativeBitmap bitmap,
sl@0:                                    M3GPixelFormat *format,
sl@0:                                    M3Gint *width, M3Gint *height, M3Gint *pixels);
sl@0: M3Gbool m3gglGetNativeWindowParams(M3GNativeWindow wnd,
sl@0:                                    M3GPixelFormat *format,
sl@0:                                    M3Gint *width, M3Gint *height);
sl@0:     
sl@0: #endif /* M3G_NGL_CONTEXT_API */
sl@0:     
sl@0: #if defined(__cplusplus)
sl@0: } /* extern "C" */
sl@0: #endif
sl@0: 
sl@0: #endif /*__M3G_GL_H__*/