KeosOGLEnum.cpp

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/*
 * This source file is part of KEOS (Free 3D Engine)
 * For the latest info, see http://www.keosengine.org/
 * E-mails : thierry.vouriot@keosengine.org, yeri@keosengine.org
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 * http://www.gnu.org/copyleft/lesser.txt.
 *
 */

#include "KeosOGLEnum.h"

namespace Keos
{
  //=======================================================================
  // COGLEnum implementation
  //=======================================================================

  //-----------------------------------------------------------------------
  GLenum COGLEnum::MatrixType[] =
    {
      GL_MODELVIEW,
      GL_PROJECTION,
      GL_TEXTURE,
      GL_TEXTURE,
      GL_TEXTURE,
      GL_TEXTURE
    };

  //-----------------------------------------------------------------------
  GLenum COGLEnum::MatrixType2[] =
    {
      GL_MODELVIEW_MATRIX,
      GL_PROJECTION_MATRIX,
      GL_TEXTURE_MATRIX,
      GL_TEXTURE_MATRIX,
      GL_TEXTURE_MATRIX,
      GL_TEXTURE_MATRIX
    };

  //-----------------------------------------------------------------------
  COGLEnum::TPixelFmt COGLEnum::PixelFormat[] =
    {
      {GL_LUMINANCE,       GL_LUMINANCE8,                    GL_UNSIGNED_BYTE},
      {GL_LUMINANCE_ALPHA, GL_LUMINANCE8_ALPHA8,             GL_UNSIGNED_BYTE},
      {GL_BGRA,            GL_RGB5_A1,                       GL_UNSIGNED_SHORT_1_5_5_5_REV},
      {GL_BGRA,            GL_RGBA4,                         GL_UNSIGNED_SHORT_4_4_4_4_REV},
      {GL_BGR,             GL_RGB8,                          GL_UNSIGNED_BYTE},
      {GL_BGRA,            GL_RGBA8,                         GL_UNSIGNED_BYTE},
      {GL_BGR,             GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 0},
      {GL_BGRA,            GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, 0},
      {GL_BGRA,            GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, 0}
    };

  //-----------------------------------------------------------------------
  GLenum COGLEnum::Blend[] =
    {
      GL_SRC_ALPHA,
      GL_ONE_MINUS_SRC_ALPHA,
      GL_DST_ALPHA,
      GL_ONE_MINUS_DST_ALPHA,
      GL_SRC_COLOR,
      GL_ONE_MINUS_SRC_COLOR,
      GL_DST_COLOR,
      GL_ONE_MINUS_DST_COLOR,
      GL_ONE,
      GL_ZERO
    };

  //-----------------------------------------------------------------------
  GLenum COGLEnum::TextureOp[] =
    {
      GL_REPLACE,
      GL_ADD,
      GL_MODULATE,
      GL_REPLACE,
      GL_ADD,
      GL_MODULATE
    };

  //-----------------------------------------------------------------------
  GLenum COGLEnum::TextureArg[] =
    {
      GL_PRIMARY_COLOR_EXT,
      GL_TEXTURE,
      GL_PREVIOUS_EXT,
      GL_CONSTANT_EXT
    };

  //-----------------------------------------------------------------------
  GLenum COGLEnum::RenderParameter[] =
    {
      0,
      GL_BLEND,
      GL_LIGHTING
    };

  //-----------------------------------------------------------------------
  GLenum COGLEnum::FillMode[] =
    {
      GL_POINT,
      GL_LINE,
      GL_FILL
    };

  //-----------------------------------------------------------------------
  ulong COGLEnum::BufferFlags(ulong nFlags)
  {
    return (nFlags & BUF_DYNAMIC ? GL_STATIC_DRAW_ARB : GL_STATIC_DRAW_ARB);
  }

  //-----------------------------------------------------------------------
  ulong COGLEnum::LockFlags(ulong nFlags)
  {
    ulong nLockFlags = GL_READ_WRITE_ARB;
    if (nFlags & LOCK_READONLY)  nLockFlags = GL_READ_ONLY_ARB;
    if (nFlags & LOCK_WRITEONLY) nLockFlags = GL_WRITE_ONLY_ARB;

    return nLockFlags;
  }

  //-----------------------------------------------------------------------
  GLenum COGLEnum::Get(TMatrixType Value)
  {
    return MatrixType[Value];
  }

  //-----------------------------------------------------------------------
  GLenum COGLEnum::GetMatrix(TMatrixType Value)
  {
    return MatrixType2[Value];
  }

  //-----------------------------------------------------------------------
  COGLEnum::TPixelFmt COGLEnum::Get(TPixelFormat Value)
  {
    return PixelFormat[Value];
  }

  //-----------------------------------------------------------------------
  GLenum COGLEnum::Get(TBlend Value)
  {
    return Blend[Value];
  }

  //-----------------------------------------------------------------------
  GLenum COGLEnum::Get(TTextureOp Value)
  {
    return TextureOp[Value];
  }

  //-----------------------------------------------------------------------
  GLenum COGLEnum::Get(TTextureArg Value)
  {
    return TextureArg[Value];
  }

  //-----------------------------------------------------------------------
  GLenum COGLEnum::Get(TRenderParameter Value)
  {
    return RenderParameter[Value];
  }

  //-----------------------------------------------------------------------
  GLenum COGLEnum::Get(TFillMode Value)
  {
    return FillMode[Value];
  }

} // namespace Keos

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