os/graphics/m3g/m3gcore11/inc/m3g_vertexarray.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/m3g/m3gcore11/inc/m3g_vertexarray.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,93 @@
     1.4 +/*
     1.5 +* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: VertexArray interface
    1.18 +*
    1.19 +*/
    1.20 +
    1.21 +#ifndef __M3G_VERTEXARRAY_H__
    1.22 +#define __M3G_VERTEXARRAY_H__
    1.23 +
    1.24 +/*!
    1.25 + * \internal
    1.26 + * \file
    1.27 + * \brief VertexArray interface
    1.28 + */
    1.29 +
    1.30 +#include "m3g_object.h"
    1.31 +#include "m3g_gl.h"
    1.32 +
    1.33 +/*!
    1.34 + * \internal
    1.35 + * \brief \c VertexArray object instance
    1.36 + */
    1.37 +struct M3GVertexArrayImpl
    1.38 +{
    1.39 +    Object object;
    1.40 +    
    1.41 +    M3Gsizei vertexCount;
    1.42 +    M3Gint mapCount;
    1.43 +    M3Guint numLocks;
    1.44 +    
    1.45 +    GLint elementSize;
    1.46 +    GLenum elementType;
    1.47 +    GLsizei stride;
    1.48 +
    1.49 +    M3GMemObject data;
    1.50 +    M3Gshort rangeMin, rangeMax;
    1.51 +
    1.52 +    /*!
    1.53 +     * \internal
    1.54 +     * \brief Cached color array(s?) with premultiplied alpha
    1.55 +     */
    1.56 +    M3GMemObject cachedColors;
    1.57 +
    1.58 +    /*!
    1.59 +     * \internal
    1.60 +     * \brief Alpha factor for currently stored scaled colors
    1.61 +     *
    1.62 +     * anything below zero is considered a dirty value
    1.63 +     */
    1.64 +    M3Gint cachedAlphaFactor;
    1.65 +    M3Gint timestamp;
    1.66 +};
    1.67 +
    1.68 +/* If this assert fails, check the compiler padding settings */
    1.69 +M3G_CT_ASSERT(sizeof(VertexArray) == sizeof(Object) + 44);
    1.70 +
    1.71 +/*----------------------------------------------------------------------
    1.72 + * Internal functions
    1.73 + *--------------------------------------------------------------------*/
    1.74 +
    1.75 +static void m3gLockColorArray   (const VertexArray *array, M3Gint alphaFactor);
    1.76 +static void m3gLockNormalArray  (const VertexArray *array);
    1.77 +static void m3gLockTexCoordArray(const VertexArray *array);
    1.78 +static void m3gLockVertexArray  (const VertexArray *array);
    1.79 +static void m3gUnlockArray      (const VertexArray *array);
    1.80 +
    1.81 +static M3Gbool m3gCreateAlphaColorCache(VertexArray *array);
    1.82 +    
    1.83 +static VertexArray *m3gCloneVertexArray(const VertexArray *array);
    1.84 +static M3Gint m3gGetArrayVertexCount (const VertexArray *array);
    1.85 +static M3Gbool m3gIsCompatible  (const VertexArray *array, const VertexArray *other);
    1.86 +static M3Gint m3gGetArrayTimestamp(const VertexArray *array);
    1.87 +static void m3gGetArrayBoundingBox(const VertexArray *array, M3Gshort *boundingBox);
    1.88 +static M3Gbool m3gGetCoordinates(VertexArray *va,
    1.89 +                                 M3Gint elementCount,
    1.90 +                                 M3Gint idx,
    1.91 +                                 M3Gfloat *v);
    1.92 +
    1.93 +static void m3gGetArrayValueRange(const VertexArray *array,
    1.94 +                                  M3Gint *minValue, M3Gint *maxValue);
    1.95 +
    1.96 +#endif /*__M3G_VERTEXARRAY_H__*/