Use glcontextmodes.[ch] from Mesa.

4 files changed, 12 insertions, 556 deletions

diff --git a/ChangeLog b/ChangeLog
index 69e7fe499..df645d496 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2005-11-14  Kevin E. Martin  <kem-at-freedesktop-dot-org>
 
+	* GL/glx/glcontextmodes.c:
+	* GL/glx/glcontextmodes.h:
+	* GL/symlink-mesa.sh:
+	Use glcontextmodes.[ch] from Mesa.
+
+2005-11-14  Kevin E. Martin  <kem-at-freedesktop-dot-org>
+
 	* GL/glx/Makefile.am:
 	Add GL_CFLAGS so that GLX can find its proto headers when using
 	separate build dirs.
diff --git a/GL/glx/glcontextmodes.c b/GL/glx/glcontextmodes.c
deleted file mode 100644
index b5b9f2c89..000000000
--- a/GL/glx/glcontextmodes.c
+++ /dev/null
@@ -1,500 +0,0 @@
-/*
- * (C) Copyright IBM Corporation 2003
- * All Rights Reserved.
- *
- * 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
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, 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 (including the next
- * paragraph) 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
- * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS 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.
- */
-
-/**
- * \file glcontextmodes.c
- * Utility routines for working with \c __GLcontextModes structures.  At
- * some point most or all of these functions will be moved to the Mesa
- * code base.
- *
- * \author Ian Romanick <idr@us.ibm.com>
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifdef DRI_NEW_INTERFACE_ONLY
-# include <stdlib.h>
-# include <string.h>
-# include <GL/gl.h>
-# include "dri_interface.h"
-# include "imports.h"
-# define __glXMemset  memset
-#else
-# include <X11/X.h>
-# include <GL/glx.h>
-# include "GL/glxint.h"
-
-# ifdef XFree86Server
-#  include "GL/glx_ansic.h"
-extern void * __glXMalloc( size_t size );
-extern void __glXFree( void * ptr );
-#  define _mesa_malloc(b) __glXMalloc(b)
-#  define _mesa_free(m)   __glXFree(m)
-# else
-#  include <X11/Xlibint.h>
-#  define __glXMemset  memset
-#  define _mesa_malloc(b) Xmalloc(b)
-#  define _mesa_free(m) Xfree(m)
-# endif /* XFree86Server */
-#endif  /* DRI_NEW_INTERFACE_ONLY */
-
-#include "glcontextmodes.h"
-
-#ifndef DRI_NEW_INTERFACE_ONLY
-#define NUM_VISUAL_TYPES   6
-
-/**
- * Convert an X visual type to a GLX visual type.
- * 
- * \param visualType X visual type (i.e., \c TrueColor, \c StaticGray, etc.)
- *        to be converted.
- * \return If \c visualType is a valid X visual type, a GLX visual type will
- *         be returned.  Otherwise \c GLX_NONE will be returned.
- */
-GLint
-_gl_convert_from_x_visual_type( int visualType )
-{
-    static const int glx_visual_types[ NUM_VISUAL_TYPES ] = {
-	GLX_STATIC_GRAY,  GLX_GRAY_SCALE,
-	GLX_STATIC_COLOR, GLX_PSEUDO_COLOR,
-	GLX_TRUE_COLOR,   GLX_DIRECT_COLOR
-    };
-
-    return ( (unsigned) visualType < NUM_VISUAL_TYPES )
-	? glx_visual_types[ visualType ] : GLX_NONE;
-}
-
-
-/**
- * Convert a GLX visual type to an X visual type.
- * 
- * \param visualType GLX visual type (i.e., \c GLX_TRUE_COLOR, 
- *                   \c GLX_STATIC_GRAY, etc.) to be converted.
- * \return If \c visualType is a valid GLX visual type, an X visual type will
- *         be returned.  Otherwise -1 will be returned.
- */
-GLint
-_gl_convert_to_x_visual_type( int visualType )
-{
-    static const int x_visual_types[ NUM_VISUAL_TYPES ] = {
-	TrueColor,   DirectColor,
-	PseudoColor, StaticColor,
-	GrayScale,   StaticGray
-    };
-
-    return ( (unsigned) (visualType - GLX_TRUE_COLOR) <= NUM_VISUAL_TYPES )
-	? x_visual_types[ visualType - GLX_TRUE_COLOR ] : -1;
-}
-
-
-/**
- * Copy a GLX visual config structure to a GL context mode structure.  All
- * of the fields in \c config are copied to \c mode.  Additional fields in
- * \c mode that can be derrived from the fields of \c config (i.e.,
- * \c haveDepthBuffer) are also filled in.  The remaining fields in \c mode
- * that cannot be derrived are set to default values.
- * 
- * \param mode   Destination GL context mode.
- * \param config Source GLX visual config.
- * 
- * \note
- * The \c fbconfigID and \c visualID fields of the \c __GLcontextModes
- * structure will be set to the \c vid of the \c __GLXvisualConfig structure.
- */
-void
-_gl_copy_visual_to_context_mode( __GLcontextModes * mode,
-				 const __GLXvisualConfig * config )
-{
-    __GLcontextModes * const next = mode->next;
-
-    (void) __glXMemset( mode, 0, sizeof( __GLcontextModes ) );
-    mode->next = next;
-
-    mode->visualID = config->vid;
-    mode->visualType = _gl_convert_from_x_visual_type( config->class );
-    mode->xRenderable = GL_TRUE;
-    mode->fbconfigID = config->vid;
-    mode->drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT;
-
-    mode->rgbMode = (config->rgba != 0);
-    mode->renderType = (mode->rgbMode) ? GLX_RGBA_BIT : GLX_COLOR_INDEX_BIT;
-
-    mode->colorIndexMode = !(mode->rgbMode);
-    mode->doubleBufferMode = (config->doubleBuffer != 0);
-    mode->stereoMode = (config->stereo != 0);
-
-    mode->haveAccumBuffer = ((config->accumRedSize +
-			      config->accumGreenSize +
-			      config->accumBlueSize +
-			      config->accumAlphaSize) > 0);
-    mode->haveDepthBuffer = (config->depthSize > 0);
-    mode->haveStencilBuffer = (config->stencilSize > 0);
-
-    mode->redBits = config->redSize;
-    mode->greenBits = config->greenSize;
-    mode->blueBits = config->blueSize;
-    mode->alphaBits = config->alphaSize;
-    mode->redMask = config->redMask;
-    mode->greenMask = config->greenMask;
-    mode->blueMask = config->blueMask;
-    mode->alphaMask = config->alphaMask;
-    mode->rgbBits = config->bufferSize;
-    mode->indexBits = config->bufferSize;
-
-    mode->accumRedBits = config->accumRedSize;
-    mode->accumGreenBits = config->accumGreenSize;
-    mode->accumBlueBits = config->accumBlueSize;
-    mode->accumAlphaBits = config->accumAlphaSize;
-    mode->depthBits = config->depthSize;
-    mode->stencilBits = config->stencilSize;
-
-    mode->numAuxBuffers = config->auxBuffers;
-    mode->level = config->level;
-
-    mode->visualRating = config->visualRating;
-    mode->transparentPixel = config->transparentPixel;
-    mode->transparentRed   = config->transparentRed;
-    mode->transparentGreen = config->transparentGreen;
-    mode->transparentBlue  = config->transparentBlue;
-    mode->transparentAlpha = config->transparentAlpha;
-    mode->transparentIndex = config->transparentIndex;
-
-    mode->swapMethod = GLX_SWAP_UNDEFINED_OML;
-}
-
-
-/**
- * Get data from a GL context mode.
- * 
- * \param mode         GL context mode whose data is to be returned.
- * \param attribute    Attribute of \c mode that is to be returned.
- * \param value_return Location to store the data member of \c mode.
- * \return  If \c attribute is a valid attribute of \c mode, zero is
- *          returned.  Otherwise \c GLX_BAD_ATTRIBUTE is returned.
- */
-int
-_gl_get_context_mode_data(const __GLcontextModes *mode, int attribute,
-			  int *value_return)
-{
-    switch (attribute) {
-      case GLX_USE_GL:
-	*value_return = GL_TRUE;
-	return 0;
-      case GLX_BUFFER_SIZE:
-	*value_return = mode->rgbBits;
-	return 0;
-      case GLX_RGBA:
-	*value_return = mode->rgbMode;
-	return 0;
-      case GLX_RED_SIZE:
-	*value_return = mode->redBits;
-	return 0;
-      case GLX_GREEN_SIZE:
-	*value_return = mode->greenBits;
-	return 0;
-      case GLX_BLUE_SIZE:
-	*value_return = mode->blueBits;
-	return 0;
-      case GLX_ALPHA_SIZE:
-	*value_return = mode->alphaBits;
-	return 0;
-      case GLX_DOUBLEBUFFER:
-	*value_return = mode->doubleBufferMode;
-	return 0;
-      case GLX_STEREO:
-	*value_return = mode->stereoMode;
-	return 0;
-      case GLX_AUX_BUFFERS:
-	*value_return = mode->numAuxBuffers;
-	return 0;
-      case GLX_DEPTH_SIZE:
-	*value_return = mode->depthBits;
-	return 0;
-      case GLX_STENCIL_SIZE:
-	*value_return = mode->stencilBits;
-	return 0;
-      case GLX_ACCUM_RED_SIZE:
-	*value_return = mode->accumRedBits;
-	return 0;
-      case GLX_ACCUM_GREEN_SIZE:
-	*value_return = mode->accumGreenBits;
-	return 0;
-      case GLX_ACCUM_BLUE_SIZE:
-	*value_return = mode->accumBlueBits;
-	return 0;
-      case GLX_ACCUM_ALPHA_SIZE:
-	*value_return = mode->accumAlphaBits;
-	return 0;
-      case GLX_LEVEL:
-	*value_return = mode->level;
-	return 0;
-      case GLX_TRANSPARENT_TYPE_EXT:
-	*value_return = mode->transparentPixel;
-	return 0;
-      case GLX_TRANSPARENT_RED_VALUE:
-	*value_return = mode->transparentRed;
-	return 0;
-      case GLX_TRANSPARENT_GREEN_VALUE:
-	*value_return = mode->transparentGreen;
-	return 0;
-      case GLX_TRANSPARENT_BLUE_VALUE:
-	*value_return = mode->transparentBlue;
-	return 0;
-      case GLX_TRANSPARENT_ALPHA_VALUE:
-	*value_return = mode->transparentAlpha;
-	return 0;
-      case GLX_TRANSPARENT_INDEX_VALUE:
-	*value_return = mode->transparentIndex;
-	return 0;
-      case GLX_X_VISUAL_TYPE:
-	*value_return = mode->visualType;
-	return 0;
-      case GLX_CONFIG_CAVEAT:
-	*value_return = mode->visualRating;
-	return 0;
-      case GLX_VISUAL_ID:
-	*value_return = mode->visualID;
-	return 0;
-      case GLX_DRAWABLE_TYPE:
-	*value_return = mode->drawableType;
-	return 0;
-      case GLX_RENDER_TYPE:
-	*value_return = mode->renderType;
-	return 0;
-      case GLX_X_RENDERABLE:
-	*value_return = mode->xRenderable;
-	return 0;
-      case GLX_FBCONFIG_ID:
-	*value_return = mode->fbconfigID;
-	return 0;
-      case GLX_MAX_PBUFFER_WIDTH:
-	*value_return = mode->maxPbufferWidth;
-	return 0;
-      case GLX_MAX_PBUFFER_HEIGHT:
-	*value_return = mode->maxPbufferHeight;
-	return 0;
-      case GLX_MAX_PBUFFER_PIXELS:
-	*value_return = mode->maxPbufferPixels;
-	return 0;
-      case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX:
-	*value_return = mode->optimalPbufferWidth;
-	return 0;
-      case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX:
-	*value_return = mode->optimalPbufferHeight;
-	return 0;
-      case GLX_SWAP_METHOD_OML:
-	*value_return = mode->swapMethod;
-	return 0;
-      case GLX_SAMPLE_BUFFERS_SGIS:
-	*value_return = mode->sampleBuffers;
-	return 0;
-      case GLX_SAMPLES_SGIS:
-	*value_return = mode->samples;
-	return 0;
-
-      /* Applications are NOT allowed to query GLX_VISUAL_SELECT_GROUP_SGIX.
-       * It is ONLY for communication between the GLX client and the GLX
-       * server.
-       */
-      case GLX_VISUAL_SELECT_GROUP_SGIX:
-      default:
-	return GLX_BAD_ATTRIBUTE;
-    }
-}
-#endif /* DRI_NEW_INTERFACE_ONLY */
-
-
-/**
- * Allocate a linked list of \c __GLcontextModes structures.  The fields of
- * each structure will be initialized to "reasonable" default values.  In
- * most cases this is the default value defined by table 3.4 of the GLX
- * 1.3 specification.  This means that most values are either initialized to
- * zero or \c GLX_DONT_CARE (which is -1).  As support for additional
- * extensions is added, the new values will be initialized to appropriate
- * values from the extension specification.
- * 
- * \param count         Number of structures to allocate.
- * \param minimum_size  Minimum size of a structure to allocate.  This allows
- *                      for differences in the version of the
- *                      \c __GLcontextModes stucture used in libGL and in a
- *                      DRI-based driver.
- * \returns A pointer to the first element in a linked list of \c count
- *          stuctures on success, or \c NULL on failure.
- * 
- * \warning Use of \c minimum_size does \b not guarantee binary compatibility.
- *          The fundamental assumption is that if the \c minimum_size
- *          specified by the driver and the size of the \c __GLcontextModes
- *          structure in libGL is the same, then the meaning of each byte in
- *          the structure is the same in both places.  \b Be \b careful!
- *          Basically this means that fields have to be added in libGL and
- *          then propagated to drivers.  Drivers should \b never arbitrarilly
- *          extend the \c __GLcontextModes data-structure.
- */
-__GLcontextModes *
-_gl_context_modes_create( unsigned count, size_t minimum_size )
-{
-   const size_t size = (minimum_size > sizeof( __GLcontextModes ))
-       ? minimum_size : sizeof( __GLcontextModes );
-   __GLcontextModes * base = NULL;
-   __GLcontextModes ** next;
-   unsigned   i;
-
-   next = & base;
-   for ( i = 0 ; i < count ; i++ ) {
-      *next = (__GLcontextModes *) _mesa_malloc( size );
-      if ( *next == NULL ) {
-	 _gl_context_modes_destroy( base );
-	 base = NULL;
-	 break;
-      }
-      
-      (void) __glXMemset( *next, 0, size );
-      (*next)->visualID = GLX_DONT_CARE;
-      (*next)->visualType = GLX_DONT_CARE;
-      (*next)->visualRating = GLX_NONE;
-      (*next)->transparentPixel = GLX_NONE;
-      (*next)->transparentRed = GLX_DONT_CARE;
-      (*next)->transparentGreen = GLX_DONT_CARE;
-      (*next)->transparentBlue = GLX_DONT_CARE;
-      (*next)->transparentAlpha = GLX_DONT_CARE;
-      (*next)->transparentIndex = GLX_DONT_CARE;
-      (*next)->xRenderable = GLX_DONT_CARE;
-      (*next)->fbconfigID = GLX_DONT_CARE;
-      (*next)->swapMethod = GLX_SWAP_UNDEFINED_OML;
-
-      next = & ((*next)->next);
-   }
-
-   return base;
-}
-
-
-/**
- * Destroy a linked list of \c __GLcontextModes structures created by
- * \c _gl_context_modes_create.
- * 
- * \param modes  Linked list of structures to be destroyed.  All structres
- *               in the list will be freed.
- */
-void
-_gl_context_modes_destroy( __GLcontextModes * modes )
-{
-   while ( modes != NULL ) {
-      __GLcontextModes * const next = modes->next;
-
-      _mesa_free( modes );
-      modes = next;
-   }
-}
-
-
-/**
- * Find a context mode matching a Visual ID.
- *
- * \param modes  List list of context-mode structures to be searched.
- * \param vid    Visual ID to be found.
- * \returns A pointer to a context-mode in \c modes if \c vid was found in
- *          the list, or \c NULL if it was not.
- */
-
-__GLcontextModes *
-_gl_context_modes_find_visual( __GLcontextModes * modes, int vid )
-{
-    while ( modes != NULL ) {
-	if ( modes->visualID == vid ) {
-	    break;
-	}
-
-	modes = modes->next;
-    }
-
-    return modes;
-}
-
-
-/**
- * Determine if two context-modes are the same.  This is intended to be used
- * by libGL implementations to compare to sets of driver generated FBconfigs.
- * 
- * \param a  Context-mode to be compared.
- * \param b  Context-mode to be compared.
- * \returns \c GL_TRUE if the two context-modes are the same.  \c GL_FALSE is
- *          returned otherwise.
- */
-GLboolean
-_gl_context_modes_are_same( const __GLcontextModes * a,
-			    const __GLcontextModes * b )
-{
-    return( (a->rgbMode == b->rgbMode) &&
-	    (a->floatMode == b->floatMode) &&
-	    (a->colorIndexMode == b->colorIndexMode) &&
-	    (a->doubleBufferMode == b->doubleBufferMode) &&
-	    (a->stereoMode == b->stereoMode) &&
-	    (a->redBits == b->redBits) &&
-	    (a->greenBits == b->greenBits) &&
-	    (a->blueBits == b->blueBits) &&
-	    (a->alphaBits == b->alphaBits) &&
-#if 0 /* For some reason these don't get set on the client-side in libGL. */
-	    (a->redMask == b->redMask) &&
-	    (a->greenMask == b->greenMask) &&
-	    (a->blueMask == b->blueMask) &&
-	    (a->alphaMask == b->alphaMask) &&
-#endif
-	    (a->rgbBits == b->rgbBits) &&
-	    (a->indexBits == b->indexBits) &&
-	    (a->accumRedBits == b->accumRedBits) &&
-	    (a->accumGreenBits == b->accumGreenBits) &&
-	    (a->accumBlueBits == b->accumBlueBits) &&
-	    (a->accumAlphaBits == b->accumAlphaBits) &&
-	    (a->depthBits == b->depthBits) &&
-	    (a->stencilBits == b->stencilBits) &&
-	    (a->numAuxBuffers == b->numAuxBuffers) &&
-	    (a->level == b->level) &&
-	    (a->pixmapMode == b->pixmapMode) &&
-	    (a->visualRating == b->visualRating) &&
-
-	    (a->transparentPixel == b->transparentPixel) &&
-
-	    ((a->transparentPixel != GLX_TRANSPARENT_RGB) ||
-	     ((a->transparentRed == b->transparentRed) &&
-	      (a->transparentGreen == b->transparentGreen) &&
-	      (a->transparentBlue == b->transparentBlue) &&
-	      (a->transparentAlpha == b->transparentAlpha))) &&
-
-	    ((a->transparentPixel != GLX_TRANSPARENT_INDEX) || 
-	     (a->transparentIndex == b->transparentIndex)) &&
-
-	    (a->sampleBuffers == b->sampleBuffers) &&
-	    (a->samples == b->samples) &&
-	    ((a->drawableType & b->drawableType) != 0) &&
-	    (a->renderType == b->renderType) &&
-	    (a->maxPbufferWidth == b->maxPbufferWidth) &&
-	    (a->maxPbufferHeight == b->maxPbufferHeight) &&
-	    (a->maxPbufferPixels == b->maxPbufferPixels) &&
-	    (a->optimalPbufferWidth == b->optimalPbufferWidth) &&
-	    (a->optimalPbufferHeight == b->optimalPbufferHeight) &&
-	    (a->swapMethod == b->swapMethod) );
-}
diff --git a/GL/glx/glcontextmodes.h b/GL/glx/glcontextmodes.h
deleted file mode 100644
index 31de4eb5a..000000000
--- a/GL/glx/glcontextmodes.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * (C) Copyright IBM Corporation 2003
- * All Rights Reserved.
- *
- * 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
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, 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 (including the next
- * paragraph) 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 NON-INFRINGEMENT.  IN NO EVENT SHALL
- * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS 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.
- */
-
-/**
- * \file glcontextmodes.h
- * \author Ian Romanick <idr@us.ibm.com>
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifndef GLCONTEXTMODES_H
-#define GLCONTEXTMODES_H
-
-#include "GL/internal/glcore.h"
-
-#ifndef DRI_NEW_INTERFACE_ONLY
-extern GLint _gl_convert_from_x_visual_type( int visualType );
-extern GLint _gl_convert_to_x_visual_type( int visualType );
-extern void _gl_copy_visual_to_context_mode( __GLcontextModes * mode,
-    const __GLXvisualConfig * config );
-extern int _gl_get_context_mode_data( const __GLcontextModes *mode,
-    int attribute, int *value_return );
-#endif /* DRI_NEW_INTERFACE_ONLY */
-
-extern __GLcontextModes * _gl_context_modes_create( unsigned count,
-    size_t minimum_size );
-extern void _gl_context_modes_destroy( __GLcontextModes * modes );
-extern  __GLcontextModes * _gl_context_modes_find_visual(
-    __GLcontextModes * modes, int vid );
-extern GLboolean _gl_context_modes_are_same( const __GLcontextModes * a,
-    const __GLcontextModes * b );
-
-#endif /* GLCONTEXTMODES_H */
diff --git a/GL/symlink-mesa.sh b/GL/symlink-mesa.sh
index ef176a2c5..1a2439f29 100755
--- a/GL/symlink-mesa.sh
+++ b/GL/symlink-mesa.sh
@@ -520,6 +520,11 @@ symlink_glx() {
 
     action indirect_size.c
     action indirect_size.h
+
+    src_dir src/mesa/drivers/dri/common
+
+    action glcontextmodes.c
+    action glcontextmodes.h
 }
 
 #########