glxint.h   [plain text]


#ifndef __GLX_glxint_h__
#define __GLX_glxint_h__

/* $XFree86: xc/include/GL/glxint.h,v 1.3 2000/11/18 19:37:04 tsi Exp $ */
/*
** The contents of this file are subject to the GLX Public License Version 1.0
** (the "License"). You may not use this file except in compliance with the
** License. You may obtain a copy of the License at Silicon Graphics, Inc.,
** attn: Legal Services, 2011 N. Shoreline Blvd., Mountain View, CA 94043
** or at http://www.sgi.com/software/opensource/glx/license.html.
**
** Software distributed under the License is distributed on an "AS IS"
** basis. ALL WARRANTIES ARE DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY
** IMPLIED WARRANTIES OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
** PURPOSE OR OF NON- INFRINGEMENT. See the License for the specific
** language governing rights and limitations under the License.
**
** The Original Software is GLX version 1.2 source code, released February,
** 1999. The developer of the Original Software is Silicon Graphics, Inc.
** Those portions of the Subject Software created by Silicon Graphics, Inc.
** are Copyright (c) 1991-9 Silicon Graphics, Inc. All Rights Reserved.
**
** $SGI$
*/

#include <X11/X.h>
#include <X11/Xdefs.h>
#include "GL/gl.h"

typedef struct __GLXvisualConfigRec __GLXvisualConfig;
typedef struct __GLXFBConfigRec __GLXFBConfig;

struct __GLXvisualConfigRec {
    VisualID vid;
    int class;
    Bool rgba;
    int redSize, greenSize, blueSize, alphaSize;
    unsigned long redMask, greenMask, blueMask, alphaMask;
    int accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize;
    Bool doubleBuffer;
    Bool stereo;
    int bufferSize;
    int depthSize;
    int stencilSize;
    int auxBuffers;
    int level;
    /* Start of Extended Visual Properties */
    int visualRating;		/* visual_rating extension */
    int transparentPixel;	/* visual_info extension */
				/*    colors are floats scaled to ints */
    int transparentRed, transparentGreen, transparentBlue, transparentAlpha;
    int transparentIndex;
    int multiSampleSize;
    int nMultiSampleBuffers;
    int visualSelectGroup;
};

#define __GLX_MIN_CONFIG_PROPS	18
#define __GLX_MAX_CONFIG_PROPS	500

#define __GLX_EXT_CONFIG_PROPS 	10

/*
** Since we send all non-core visual properties as token, value pairs,
** we require 2 words across the wire. In order to maintain backwards
** compatibility, we need to send the total number of words that the
** VisualConfigs are sent back in so old libraries can simply "ignore"
** the new properties. 
*/
#define __GLX_TOTAL_CONFIG       (__GLX_MIN_CONFIG_PROPS +      \
                                    2 * __GLX_EXT_CONFIG_PROPS)

struct __GLXFBConfigRec {
    int visualType;
    int transparentType;
                                /*    colors are floats scaled to ints */
    int transparentRed, transparentGreen, transparentBlue, transparentAlpha;
    int transparentIndex;

    int visualCaveat;

    int associatedVisualId;
    int screen;

    int drawableType;
    int renderType;

    int maxPbufferWidth, maxPbufferHeight, maxPbufferPixels;
    int optimalPbufferWidth, optimalPbufferHeight;  /* for SGIX_pbuffer */

    int visualSelectGroup;	/* visuals grouped by select priority */

    unsigned int id;          

    GLboolean rgbMode;
    GLboolean colorIndexMode;
    GLboolean doubleBufferMode;
    GLboolean stereoMode;
    GLboolean haveAccumBuffer;
    GLboolean haveDepthBuffer;
    GLboolean haveStencilBuffer;

    /* The number of bits present in various buffers */
    GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
    GLint depthBits;
    GLint stencilBits;
    GLint indexBits;
    GLint redBits, greenBits, blueBits, alphaBits;
    GLuint redMask, greenMask, blueMask, alphaMask;

    GLuint multiSampleSize;     /* Number of samples per pixel (0 if no ms) */

    GLuint nMultiSampleBuffers; /* Number of availble ms buffers */
    GLint maxAuxBuffers;

    /* frame buffer level */
    GLint level;

    /* color ranges (for SGI_color_range) */
    GLboolean extendedRange;
    GLdouble minRed, maxRed;
    GLdouble minGreen, maxGreen;
    GLdouble minBlue, maxBlue;
    GLdouble minAlpha, maxAlpha;
};

#define __GLX_TOTAL_FBCONFIG_PROPS	 35

#endif /* !__GLX_glxint_h__ */