Drop unused glut subdirectories

[mesa.git] / src / glut / fbdev / colormap.c

diff --git a/src/glut/fbdev/colormap.c b/src/glut/fbdev/colormap.c
deleted file mode 100644 (file)
index 3e72a7b..0000000
--- a/src/glut/fbdev/colormap.c
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version:  6.5
- * Copyright (C) 1995-2006  Brian Paul
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-/*
- * Library for glut using mesa fbdev driver
- *
- * Written by Sean D'Epagnier (c) 2006
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <linux/fb.h>
-
-#include <GL/gl.h>
-#include <GL/glut.h>
-
-#include "internal.h"
-
-#define TOCMAP(x)(unsigned short)((x<0?0:x>1?1:x)*(GLfloat) ((1<<16) - 1))
-#define TORMAP(x)(unsigned short)((x<0?0:x>1?1:x)*(GLfloat)(REVERSECMAPSIZE-1))
-#define FROMCMAP(x) (GLfloat)x / (GLfloat)((1<<16) - 1)
-
-static struct fb_cmap ColorMap, OriginalColorMap;
-
-unsigned short RedColorMap[256], GreenColorMap[256], BlueColorMap[256];
-
-unsigned char ReverseColorMap[REVERSECMAPSIZE]
-                             [REVERSECMAPSIZE]
-                             [REVERSECMAPSIZE];
-
-static void FindReverseMap(int r, int g, int b)
-{
-   static int count;
-   int i, shift = 16 - REVERSECMAPSIZELOG;
-   unsigned int minv = -1, mini = 0;
-   for(i=0; i<256; i++) {
-      int val = 0;
-      val += abs(r-(RedColorMap[i]>>shift));
-      val += abs(g-(GreenColorMap[i]>>shift));
-      val += abs(b-(BlueColorMap[i]>>shift));
-      if(val < minv) {
-        minv = val;
-        mini = i;
-      }
-   }
-   ReverseColorMap[r][g][b] = mini;
-}
-
-static void FillItemReverseColorMap(int r, int g, int b)
-{
-   FindReverseMap(r, g, b);
-   if(r > 0)
-      FindReverseMap(r-1, g, b);
-   if(r < REVERSECMAPSIZE - 1)
-      FindReverseMap(r+1, g, b);
-   if(g > 0)
-      FindReverseMap(r, g-1, b);
-   if(g < REVERSECMAPSIZE - 1)
-      FindReverseMap(r, g+1, b);
-   if(b > 0)
-      FindReverseMap(r, g, b-1);
-   if(b < REVERSECMAPSIZE - 1)
-      FindReverseMap(r, g, b+1);
-}
-
-static void FillReverseColorMap(void)
-{
-   int r, g, b;
-   for(r = 0; r < REVERSECMAPSIZE; r++)
-      for(g = 0; g < REVERSECMAPSIZE; g++)
-        for(b = 0; b < REVERSECMAPSIZE; b++)
-           FindReverseMap(r, g, b);
-}
-
-void RestoreColorMap(void)
-{
-   if(FixedInfo.visual == FB_VISUAL_TRUECOLOR)
-      return;
-
-   if (ioctl(FrameBufferFD, FBIOPUTCMAP, (void *) &ColorMap) < 0)
-      sprintf(exiterror, "ioctl(FBIOPUTCMAP) failed!\n");
-}
-
-void LoadColorMap(void)
-{
-   if(FixedInfo.visual == FB_VISUAL_TRUECOLOR)
-      return;
-
-   ColorMap.start = 0;
-   ColorMap.red   = RedColorMap;
-   ColorMap.green = GreenColorMap;
-   ColorMap.blue  = BlueColorMap;
-   ColorMap.transp = NULL;
-
-   if(DisplayMode & GLUT_INDEX) {
-      ColorMap.len = 256;
-
-      if (ioctl(FrameBufferFD, FBIOGETCMAP, (void *) &ColorMap) < 0)
-        sprintf(exiterror, "ioctl(FBIOGETCMAP) failed!\n");
-
-      FillReverseColorMap();
-   } else {
-      int rcols = 1 << VarInfo.red.length;
-      int gcols = 1 << VarInfo.green.length;
-      int bcols = 1 << VarInfo.blue.length;
-
-      int i;
-
-      ColorMap.len = gcols;
-
-      for (i = 0; i < rcols ; i++) 
-        RedColorMap[i] = (65536/(rcols-1)) * i;
-      
-      for (i = 0; i < gcols ; i++) 
-        GreenColorMap[i] = (65536/(gcols-1)) * i;
-      
-      for (i = 0; i < bcols ; i++) 
-        BlueColorMap[i] = (65536/(bcols-1)) * i;  
-
-      RestoreColorMap();
-   }
-}
-
-void glutSetColor(int cell, GLfloat red, GLfloat green, GLfloat blue)
-{
-   if(cell < 0 || cell >= 256)
-      return;
-
-   RedColorMap[cell] = TOCMAP(red);
-   GreenColorMap[cell] = TOCMAP(green); 
-   BlueColorMap[cell] = TOCMAP(blue);
-    
-   RestoreColorMap();
-
-   FillItemReverseColorMap(TORMAP(red), TORMAP(green), TORMAP(blue));
-}
-
-GLfloat glutGetColor(int cell, int component)
-{
-   if(!(DisplayMode & GLUT_INDEX))
-      return -1.0;
-
-   if(cell < 0 || cell > 256)
-      return -1.0;
-
-   switch(component) {
-   case GLUT_RED:
-      return FROMCMAP(RedColorMap[cell]);
-   case GLUT_GREEN:
-      return FROMCMAP(GreenColorMap[cell]);
-   case GLUT_BLUE:
-      return FROMCMAP(BlueColorMap[cell]);
-   }
-   return -1.0;
-}
-
-void glutCopyColormap(int win)
-{
-}