Support ARB_texture_env_crossbar. Changes the way programs are
[mesa.git] / src / mesa / main / colortab.c
index 22d785ba515ad1fde90ae580c80784a4cc851a1e..600ebd2fb99b313e779f915865932e118bd5986a 100644 (file)
@@ -1,21 +1,19 @@
-/* $Id: colortab.c,v 1.1 1999/08/19 00:55:41 jtg Exp $ */
-
 /*
  * Mesa 3-D graphics library
- * Version:  3.1
- * 
- * Copyright (C) 1999  Brian Paul   All Rights Reserved.
- * 
+ * Version:  6.3
+ *
+ * Copyright (C) 1999-2004  Brian Paul   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
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
  */
 
 
-
-
-
-#ifdef PC_HEADER
-#include "all.h"
-#else
+#include "glheader.h"
+#include "bufferobj.h"
 #include "colortab.h"
 #include "context.h"
+#include "image.h"
 #include "macros.h"
-#ifdef XFree86Server
-#include "GL/xf86glx.h"
-#endif
-#endif
-
+#include "state.h"
 
 
 /*
- * Return GL_TRUE if k is a power of two, else return GL_FALSE.
+ * Given an internalFormat token passed to glColorTable,
+ * return the corresponding base format.
+ * Return -1 if invalid token.
  */
-static GLboolean power_of_two( GLint k )
-{
-   GLint i, m = 1;
-   for (i=0; i<32; i++) {
-      if (k == m)
-         return GL_TRUE;
-      m = m << 1;
-   }
-   return GL_FALSE;
-}
-
-
-static GLint decode_internal_format( GLint format )
+static GLint
+base_colortab_format( GLenum format )
 {
    switch (format) {
       case GL_ALPHA:
@@ -65,14 +47,12 @@ static GLint decode_internal_format( GLint format )
       case GL_ALPHA12:
       case GL_ALPHA16:
          return GL_ALPHA;
-      case 1:
       case GL_LUMINANCE:
       case GL_LUMINANCE4:
       case GL_LUMINANCE8:
       case GL_LUMINANCE12:
       case GL_LUMINANCE16:
          return GL_LUMINANCE;
-      case 2:
       case GL_LUMINANCE_ALPHA:
       case GL_LUMINANCE4_ALPHA4:
       case GL_LUMINANCE6_ALPHA2:
@@ -87,7 +67,6 @@ static GLint decode_internal_format( GLint format )
       case GL_INTENSITY12:
       case GL_INTENSITY16:
          return GL_INTENSITY;
-      case 3:
       case GL_RGB:
       case GL_R3_G3_B2:
       case GL_RGB4:
@@ -97,7 +76,6 @@ static GLint decode_internal_format( GLint format )
       case GL_RGB12:
       case GL_RGB16:
          return GL_RGB;
-      case 4:
       case GL_RGBA:
       case GL_RGBA2:
       case GL_RGBA4:
@@ -113,200 +91,1348 @@ static GLint decode_internal_format( GLint format )
 }
 
 
-void gl_ColorTable( GLcontext *ctx, GLenum target,
-                    GLenum internalFormat, struct gl_image *table )
-{
-   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   struct gl_texture_object *texObj;
-   GLboolean proxy = GL_FALSE;
 
-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glColorTable");
+/*
+ * Examine table's format and set the component sizes accordingly.
+ */
+static void
+set_component_sizes( struct gl_color_table *table )
+{
+   GLubyte sz;
 
-   if (decode_internal_format(internalFormat) < 0) {
-      gl_error( ctx, GL_INVALID_ENUM, "glColorTable(internalFormat)" );
+   switch (table->Type) {
+   case GL_UNSIGNED_BYTE:
+      sz = sizeof(GLubyte);
+      break;
+   case GL_UNSIGNED_SHORT:
+      sz = sizeof(GLushort);
+      break;
+   case GL_FLOAT:
+      sz = sizeof(GLfloat);
+      break;
+   default:
+      _mesa_problem(NULL, "bad color table type in set_component_sizes 0x%x", table->Type);
       return;
    }
 
+   switch (table->Format) {
+      case GL_ALPHA:
+         table->RedSize = 0;
+         table->GreenSize = 0;
+         table->BlueSize = 0;
+         table->AlphaSize = sz;
+         table->IntensitySize = 0;
+         table->LuminanceSize = 0;
+         break;
+      case GL_LUMINANCE:
+         table->RedSize = 0;
+         table->GreenSize = 0;
+         table->BlueSize = 0;
+         table->AlphaSize = 0;
+         table->IntensitySize = 0;
+         table->LuminanceSize = sz;
+         break;
+      case GL_LUMINANCE_ALPHA:
+         table->RedSize = 0;
+         table->GreenSize = 0;
+         table->BlueSize = 0;
+         table->AlphaSize = sz;
+         table->IntensitySize = 0;
+         table->LuminanceSize = sz;
+         break;
+      case GL_INTENSITY:
+         table->RedSize = 0;
+         table->GreenSize = 0;
+         table->BlueSize = 0;
+         table->AlphaSize = 0;
+         table->IntensitySize = sz;
+         table->LuminanceSize = 0;
+         break;
+      case GL_RGB:
+         table->RedSize = sz;
+         table->GreenSize = sz;
+         table->BlueSize = sz;
+         table->AlphaSize = 0;
+         table->IntensitySize = 0;
+         table->LuminanceSize = 0;
+         break;
+      case GL_RGBA:
+         table->RedSize = sz;
+         table->GreenSize = sz;
+         table->BlueSize = sz;
+         table->AlphaSize = sz;
+         table->IntensitySize = 0;
+         table->LuminanceSize = 0;
+         break;
+      default:
+         _mesa_problem(NULL, "unexpected format in set_component_sizes");
+   }
+}
+
+
+
+/**
+ * Update/replace all or part of a color table.  Helper function
+ * used by _mesa_ColorTable() and _mesa_ColorSubTable().
+ * The table->Table buffer should already be allocated.
+ * \param start first entry to update
+ * \param count number of entries to update
+ * \param format format of user-provided table data
+ * \param type datatype of user-provided table data
+ * \param data user-provided table data
+ * \param [rgba]Scale - RGBA scale factors
+ * \param [rgba]Bias - RGBA bias factors
+ */
+static void
+store_colortable_entries(GLcontext *ctx, struct gl_color_table *table,
+                        GLsizei start, GLsizei count,
+                        GLenum format, GLenum type, const GLvoid *data,
+                        GLfloat rScale, GLfloat rBias,
+                        GLfloat gScale, GLfloat gBias,
+                        GLfloat bScale, GLfloat bBias,
+                        GLfloat aScale, GLfloat aBias)
+{
+   if (ctx->Unpack.BufferObj->Name) {
+      /* Get/unpack the color table data from a PBO */
+      GLubyte *buf;
+      if (!_mesa_validate_pbo_access(1, &ctx->Unpack, count, 1, 1,
+                                     format, type, data)) {
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glColor[Sub]Table(bad PBO access)");
+         return;
+      }
+      buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
+                                              GL_READ_ONLY_ARB,
+                                              ctx->Unpack.BufferObj);
+      if (!buf) {
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glColor[Sub]Table(PBO mapped)");
+         return;
+      }
+      data = ADD_POINTERS(buf, data);
+   }
+
+
+   if (table->Type == GL_FLOAT) {
+      /* convert user-provided data to GLfloat values */
+      GLfloat tempTab[MAX_COLOR_TABLE_SIZE * 4];
+      GLfloat *tableF;
+      GLint i;
+
+      _mesa_unpack_color_span_float(ctx,
+                                    count,         /* number of pixels */
+                                    table->Format, /* dest format */
+                                    tempTab,       /* dest address */
+                                    format, type,  /* src format/type */
+                                    data,          /* src data */
+                                    &ctx->Unpack,
+                                    IMAGE_CLAMP_BIT); /* transfer ops */
+
+      /* the destination */
+      tableF = (GLfloat *) table->Table;
+
+      /* Apply scale & bias & clamp now */
+      switch (table->Format) {
+         case GL_INTENSITY:
+            for (i = 0; i < count; i++) {
+               GLuint j = start + i;
+               tableF[j] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F);
+            }
+            break;
+         case GL_LUMINANCE:
+            for (i = 0; i < count; i++) {
+               GLuint j = start + i;
+               tableF[j] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F);
+            }
+            break;
+         case GL_ALPHA:
+            for (i = 0; i < count; i++) {
+               GLuint j = start + i;
+               tableF[j] = CLAMP(tempTab[i] * aScale + aBias, 0.0F, 1.0F);
+            }
+            break;
+         case GL_LUMINANCE_ALPHA:
+            for (i = 0; i < count; i++) {
+               GLuint j = start + i;
+               tableF[j*2+0] = CLAMP(tempTab[i*2+0] * rScale + rBias, 0.0F, 1.0F);
+               tableF[j*2+1] = CLAMP(tempTab[i*2+1] * aScale + aBias, 0.0F, 1.0F);
+            }
+            break;
+         case GL_RGB:
+            for (i = 0; i < count; i++) {
+               GLuint j = start + i;
+               tableF[j*3+0] = CLAMP(tempTab[i*3+0] * rScale + rBias, 0.0F, 1.0F);
+               tableF[j*3+1] = CLAMP(tempTab[i*3+1] * gScale + gBias, 0.0F, 1.0F);
+               tableF[j*3+2] = CLAMP(tempTab[i*3+2] * bScale + bBias, 0.0F, 1.0F);
+            }
+            break;
+         case GL_RGBA:
+            for (i = 0; i < count; i++) {
+               GLuint j = start + i;
+               tableF[j*4+0] = CLAMP(tempTab[i*4+0] * rScale + rBias, 0.0F, 1.0F);
+               tableF[j*4+1] = CLAMP(tempTab[i*4+1] * gScale + gBias, 0.0F, 1.0F);
+               tableF[j*4+2] = CLAMP(tempTab[i*4+2] * bScale + bBias, 0.0F, 1.0F);
+               tableF[j*4+3] = CLAMP(tempTab[i*4+3] * aScale + aBias, 0.0F, 1.0F);
+            }
+            break;
+         default:
+            _mesa_problem(ctx, "Bad format in store_colortable_entries");
+            return;
+         }
+   }
+   else {
+      /* non-float (GLchan) */
+      const GLint comps = _mesa_components_in_format(table->Format);
+      GLchan *dest = (GLchan *) table->Table + start * comps;
+      _mesa_unpack_color_span_chan(ctx, count,         /* number of entries */
+                                  table->Format,      /* dest format */
+                                  dest,               /* dest address */
+                                   format, type, data, /* src data */
+                                  &ctx->Unpack,
+                                  0);                 /* transfer ops */
+   }
+
+   if (ctx->Unpack.BufferObj->Name) {
+      ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
+                              ctx->Unpack.BufferObj);
+   }
+}
+
+
+
+void GLAPIENTRY
+_mesa_ColorTable( GLenum target, GLenum internalFormat,
+                  GLsizei width, GLenum format, GLenum type,
+                  const GLvoid *data )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+   struct gl_texture_object *texObj = NULL;
+   struct gl_color_table *table = NULL;
+   GLboolean proxy = GL_FALSE;
+   GLint baseFormat;
+   GLfloat rScale = 1.0, gScale = 1.0, bScale = 1.0, aScale = 1.0;
+   GLfloat rBias  = 0.0, gBias  = 0.0, bBias  = 0.0, aBias  = 0.0;
+   GLenum tableType = CHAN_TYPE;
+   GLint comps;
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */
+
    switch (target) {
       case GL_TEXTURE_1D:
-         texObj = texUnit->CurrentD[1];
+         texObj = texUnit->Current1D;
+         table = &texObj->Palette;
          break;
       case GL_TEXTURE_2D:
-         texObj = texUnit->CurrentD[2];
+         texObj = texUnit->Current2D;
+         table = &texObj->Palette;
+         break;
+      case GL_TEXTURE_3D:
+         texObj = texUnit->Current3D;
+         table = &texObj->Palette;
          break;
-      case GL_TEXTURE_3D_EXT:
-         texObj = texUnit->CurrentD[3];
+      case GL_TEXTURE_CUBE_MAP_ARB:
+         if (!ctx->Extensions.ARB_texture_cube_map) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
+            return;
+         }
+         texObj = texUnit->CurrentCubeMap;
+         table = &texObj->Palette;
          break;
       case GL_PROXY_TEXTURE_1D:
          texObj = ctx->Texture.Proxy1D;
+         table = &texObj->Palette;
          proxy = GL_TRUE;
          break;
       case GL_PROXY_TEXTURE_2D:
          texObj = ctx->Texture.Proxy2D;
+         table = &texObj->Palette;
          proxy = GL_TRUE;
          break;
-      case GL_PROXY_TEXTURE_3D_EXT:
+      case GL_PROXY_TEXTURE_3D:
          texObj = ctx->Texture.Proxy3D;
+         table = &texObj->Palette;
          proxy = GL_TRUE;
          break;
+      case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+         if (!ctx->Extensions.ARB_texture_cube_map) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
+            return;
+         }
+         texObj = ctx->Texture.ProxyCubeMap;
+         table = &texObj->Palette;
+         break;
       case GL_SHARED_TEXTURE_PALETTE_EXT:
-         texObj = NULL;
+         table = &ctx->Texture.Palette;
+         break;
+      case GL_COLOR_TABLE:
+         table = &ctx->ColorTable;
+        tableType = GL_FLOAT;
+         rScale = ctx->Pixel.ColorTableScale[0];
+         gScale = ctx->Pixel.ColorTableScale[1];
+         bScale = ctx->Pixel.ColorTableScale[2];
+         aScale = ctx->Pixel.ColorTableScale[3];
+         rBias = ctx->Pixel.ColorTableBias[0];
+         gBias = ctx->Pixel.ColorTableBias[1];
+         bBias = ctx->Pixel.ColorTableBias[2];
+         aBias = ctx->Pixel.ColorTableBias[3];
+         break;
+      case GL_PROXY_COLOR_TABLE:
+         table = &ctx->ProxyColorTable;
+         proxy = GL_TRUE;
+         break;
+      case GL_TEXTURE_COLOR_TABLE_SGI:
+         if (!ctx->Extensions.SGI_texture_color_table) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
+            return;
+         }
+         table = &(texUnit->ColorTable);
+        tableType = GL_FLOAT;
+         rScale = ctx->Pixel.TextureColorTableScale[0];
+         gScale = ctx->Pixel.TextureColorTableScale[1];
+         bScale = ctx->Pixel.TextureColorTableScale[2];
+         aScale = ctx->Pixel.TextureColorTableScale[3];
+         rBias = ctx->Pixel.TextureColorTableBias[0];
+         gBias = ctx->Pixel.TextureColorTableBias[1];
+         bBias = ctx->Pixel.TextureColorTableBias[2];
+         aBias = ctx->Pixel.TextureColorTableBias[3];
+         break;
+      case GL_PROXY_TEXTURE_COLOR_TABLE_SGI:
+         if (!ctx->Extensions.SGI_texture_color_table) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
+            return;
+         }
+         table = &(texUnit->ProxyColorTable);
+         proxy = GL_TRUE;
+         break;
+      case GL_POST_CONVOLUTION_COLOR_TABLE:
+         table = &ctx->PostConvolutionColorTable;
+        tableType = GL_FLOAT;
+         rScale = ctx->Pixel.PCCTscale[0];
+         gScale = ctx->Pixel.PCCTscale[1];
+         bScale = ctx->Pixel.PCCTscale[2];
+         aScale = ctx->Pixel.PCCTscale[3];
+         rBias = ctx->Pixel.PCCTbias[0];
+         gBias = ctx->Pixel.PCCTbias[1];
+         bBias = ctx->Pixel.PCCTbias[2];
+         aBias = ctx->Pixel.PCCTbias[3];
+         break;
+      case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
+         table = &ctx->ProxyPostConvolutionColorTable;
+         proxy = GL_TRUE;
+         break;
+      case GL_POST_COLOR_MATRIX_COLOR_TABLE:
+         table = &ctx->PostColorMatrixColorTable;
+        tableType = GL_FLOAT;
+         rScale = ctx->Pixel.PCMCTscale[0];
+         gScale = ctx->Pixel.PCMCTscale[1];
+         bScale = ctx->Pixel.PCMCTscale[2];
+         aScale = ctx->Pixel.PCMCTscale[3];
+         rBias = ctx->Pixel.PCMCTbias[0];
+         gBias = ctx->Pixel.PCMCTbias[1];
+         bBias = ctx->Pixel.PCMCTbias[2];
+         aBias = ctx->Pixel.PCMCTbias[3];
+         break;
+      case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
+         table = &ctx->ProxyPostColorMatrixColorTable;
+         proxy = GL_TRUE;
          break;
       default:
-         gl_error(ctx, GL_INVALID_ENUM, "glColorTableEXT(target)");
+         _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
          return;
    }
 
-   /* internalformat = just like glTexImage */
+   assert(table);
+
+   if (!_mesa_is_legal_format_and_type(ctx, format, type) ||
+       format == GL_INTENSITY) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glColorTable(format or type)");
+      return;
+   }
+
+   baseFormat = base_colortab_format(internalFormat);
+   if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(internalFormat)");
+      return;
+   }
+
+   if (width < 0 || (width != 0 && _mesa_bitcount(width) != 1)) {
+      /* error */
+      if (proxy) {
+         table->Size = 0;
+         table->IntFormat = (GLenum) 0;
+         table->Format = (GLenum) 0;
+      }
+      else {
+         _mesa_error(ctx, GL_INVALID_VALUE, "glColorTable(width=%d)", width);
+      }
+      return;
+   }
 
-   if (table->Width < 1 || table->Width > MAX_TEXTURE_PALETTE_SIZE
-       || !power_of_two(table->Width)) {
-      gl_error(ctx, GL_INVALID_VALUE, "glColorTableEXT(width)");
+   if (width > (GLsizei) ctx->Const.MaxColorTableSize) {
       if (proxy) {
-         texObj->PaletteSize = 0;
-         texObj->PaletteIntFormat = (GLenum) 0;
-         texObj->PaletteFormat = (GLenum) 0;
+         table->Size = 0;
+         table->IntFormat = (GLenum) 0;
+         table->Format = (GLenum) 0;
+      }
+      else {
+         _mesa_error(ctx, GL_TABLE_TOO_LARGE, "glColorTable(width)");
       }
       return;
    }
 
-   if (texObj) {
-      /* per-texture object palette */
-      texObj->PaletteSize = table->Width;
-      texObj->PaletteIntFormat = internalFormat;
-      texObj->PaletteFormat = (GLenum) decode_internal_format(internalFormat);
-      if (!proxy) {
-         MEMCPY(texObj->Palette, table->Data, table->Width*table->Components);
-         if (ctx->Driver.UpdateTexturePalette) {
-            (*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
-         }
+   table->Size = width;
+   table->IntFormat = internalFormat;
+   table->Format = (GLenum) baseFormat;
+
+   comps = _mesa_components_in_format(table->Format);
+   assert(comps > 0);  /* error should have been caught sooner */
+
+   if (!proxy) {
+      /* free old table, if any */
+      if (table->Table) {
+         FREE(table->Table);
+         table->Table = NULL;
+      }
+
+      if (width > 0) {
+         if (tableType == GL_FLOAT) {
+           table->Type = GL_FLOAT;
+           table->Table = MALLOC(comps * width * sizeof(GLfloat));
+        }
+        else {
+           table->Type = CHAN_TYPE;
+            table->Table = MALLOC(comps * width * sizeof(GLchan));
+        }
+
+        if (!table->Table) {
+           _mesa_error(ctx, GL_OUT_OF_MEMORY, "glColorTable");
+           return;
+        }
+
+        store_colortable_entries(ctx, table,
+                                 0, width,  /* start, count */
+                                 format, type, data,
+                                 rScale, rBias,
+                                 gScale, gBias,
+                                 bScale, bBias,
+                                 aScale, aBias);
+      }
+   } /* proxy */
+
+   /* do this after the table's Type and Format are set */
+   set_component_sizes(table);
+
+   if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) {
+      /* texture object palette, texObj==NULL means the shared palette */
+      if (ctx->Driver.UpdateTexturePalette) {
+         (*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
       }
    }
-   else {
-      /* shared texture palette */
-      ctx->Texture.PaletteSize = table->Width;
-      ctx->Texture.PaletteIntFormat = internalFormat;
-      ctx->Texture.PaletteFormat = (GLenum) decode_internal_format(internalFormat);
-      MEMCPY(ctx->Texture.Palette, table->Data, table->Width*table->Components);
+
+   ctx->NewState |= _NEW_PIXEL;
+}
+
+
+
+void GLAPIENTRY
+_mesa_ColorSubTable( GLenum target, GLsizei start,
+                     GLsizei count, GLenum format, GLenum type,
+                     const GLvoid *data )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+   struct gl_texture_object *texObj = NULL;
+   struct gl_color_table *table = NULL;
+   GLfloat rScale = 1.0, gScale = 1.0, bScale = 1.0, aScale = 1.0;
+   GLfloat rBias  = 0.0, gBias  = 0.0, bBias  = 0.0, aBias  = 0.0;
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+   switch (target) {
+      case GL_TEXTURE_1D:
+         texObj = texUnit->Current1D;
+         table = &texObj->Palette;
+         break;
+      case GL_TEXTURE_2D:
+         texObj = texUnit->Current2D;
+         table = &texObj->Palette;
+         break;
+      case GL_TEXTURE_3D:
+         texObj = texUnit->Current3D;
+         table = &texObj->Palette;
+         break;
+      case GL_TEXTURE_CUBE_MAP_ARB:
+         if (!ctx->Extensions.ARB_texture_cube_map) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
+            return;
+         }
+         texObj = texUnit->CurrentCubeMap;
+         table = &texObj->Palette;
+         break;
+      case GL_SHARED_TEXTURE_PALETTE_EXT:
+         table = &ctx->Texture.Palette;
+         break;
+      case GL_COLOR_TABLE:
+         table = &ctx->ColorTable;
+         rScale = ctx->Pixel.ColorTableScale[0];
+         gScale = ctx->Pixel.ColorTableScale[1];
+         bScale = ctx->Pixel.ColorTableScale[2];
+         aScale = ctx->Pixel.ColorTableScale[3];
+         rBias = ctx->Pixel.ColorTableBias[0];
+         gBias = ctx->Pixel.ColorTableBias[1];
+         bBias = ctx->Pixel.ColorTableBias[2];
+         aBias = ctx->Pixel.ColorTableBias[3];
+         break;
+      case GL_TEXTURE_COLOR_TABLE_SGI:
+         if (!ctx->Extensions.SGI_texture_color_table) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
+            return;
+         }
+         table = &(texUnit->ColorTable);
+         rScale = ctx->Pixel.TextureColorTableScale[0];
+         gScale = ctx->Pixel.TextureColorTableScale[1];
+         bScale = ctx->Pixel.TextureColorTableScale[2];
+         aScale = ctx->Pixel.TextureColorTableScale[3];
+         rBias = ctx->Pixel.TextureColorTableBias[0];
+         gBias = ctx->Pixel.TextureColorTableBias[1];
+         bBias = ctx->Pixel.TextureColorTableBias[2];
+         aBias = ctx->Pixel.TextureColorTableBias[3];
+         break;
+      case GL_POST_CONVOLUTION_COLOR_TABLE:
+         table = &ctx->PostConvolutionColorTable;
+         rScale = ctx->Pixel.PCCTscale[0];
+         gScale = ctx->Pixel.PCCTscale[1];
+         bScale = ctx->Pixel.PCCTscale[2];
+         aScale = ctx->Pixel.PCCTscale[3];
+         rBias = ctx->Pixel.PCCTbias[0];
+         gBias = ctx->Pixel.PCCTbias[1];
+         bBias = ctx->Pixel.PCCTbias[2];
+         aBias = ctx->Pixel.PCCTbias[3];
+         break;
+      case GL_POST_COLOR_MATRIX_COLOR_TABLE:
+         table = &ctx->PostColorMatrixColorTable;
+         rScale = ctx->Pixel.PCMCTscale[0];
+         gScale = ctx->Pixel.PCMCTscale[1];
+         bScale = ctx->Pixel.PCMCTscale[2];
+         aScale = ctx->Pixel.PCMCTscale[3];
+         rBias = ctx->Pixel.PCMCTbias[0];
+         gBias = ctx->Pixel.PCMCTbias[1];
+         bBias = ctx->Pixel.PCMCTbias[2];
+         aBias = ctx->Pixel.PCMCTbias[3];
+         break;
+      default:
+         _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
+         return;
+   }
+
+   assert(table);
+
+   if (!_mesa_is_legal_format_and_type(ctx, format, type) ||
+       format == GL_INTENSITY) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glColorSubTable(format or type)");
+      return;
+   }
+
+   if (count < 1) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
+      return;
+   }
+
+   /* error should have been caught sooner */
+   assert(_mesa_components_in_format(table->Format) > 0);
+
+   if (start + count > (GLint) table->Size) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
+      return;
+   }
+
+   if (!table->Table) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glColorSubTable");
+      return;
+   }
+
+   store_colortable_entries(ctx, table, start, count,
+                           format, type, data,
+                           rScale, rBias,
+                           gScale, gBias,
+                           bScale, bBias,
+                           aScale, aBias);
+
+   if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) {
+      /* per-texture object palette */
       if (ctx->Driver.UpdateTexturePalette) {
-         (*ctx->Driver.UpdateTexturePalette)( ctx, NULL );
+         (*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
       }
    }
+
+   ctx->NewState |= _NEW_PIXEL;
+}
+
+
+
+void GLAPIENTRY
+_mesa_CopyColorTable(GLenum target, GLenum internalformat,
+                     GLint x, GLint y, GLsizei width)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+   /* Select buffer to read from */
+   ctx->Driver.CopyColorTable( ctx, target, internalformat, x, y, width );
 }
 
 
 
-void gl_ColorSubTable( GLcontext *ctx, GLenum target,
-                       GLsizei start, struct gl_image *data )
+void GLAPIENTRY
+_mesa_CopyColorSubTable(GLenum target, GLsizei start,
+                        GLint x, GLint y, GLsizei width)
 {
-   /* XXX TODO */
-   gl_problem(ctx, "glColorSubTableEXT not implemented");
-   (void) target;
-   (void) start;
-   (void) data;
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+   ctx->Driver.CopyColorSubTable( ctx, target, start, x, y, width );
 }
 
 
 
-void gl_GetColorTable( GLcontext *ctx, GLenum target, GLenum format,
-                       GLenum type, GLvoid *table )
+void GLAPIENTRY
+_mesa_GetColorTable( GLenum target, GLenum format,
+                     GLenum type, GLvoid *data )
 {
-   ASSERT_OUTSIDE_BEGIN_END(ctx, "glGetBooleanv");
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+   struct gl_color_table *table = NULL;
+   GLchan rgba[MAX_COLOR_TABLE_SIZE][4];
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+   if (ctx->NewState) {
+      _mesa_update_state(ctx);
+   }
 
    switch (target) {
       case GL_TEXTURE_1D:
+         table = &texUnit->Current1D->Palette;
          break;
       case GL_TEXTURE_2D:
+         table = &texUnit->Current2D->Palette;
          break;
-      case GL_TEXTURE_3D_EXT:
+      case GL_TEXTURE_3D:
+         table = &texUnit->Current3D->Palette;
+         break;
+      case GL_TEXTURE_CUBE_MAP_ARB:
+         if (!ctx->Extensions.ARB_texture_cube_map) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
+            return;
+         }
+         table = &texUnit->CurrentCubeMap->Palette;
          break;
       case GL_SHARED_TEXTURE_PALETTE_EXT:
+         table = &ctx->Texture.Palette;
+         break;
+      case GL_COLOR_TABLE:
+         table = &ctx->ColorTable;
+         break;
+      case GL_TEXTURE_COLOR_TABLE_SGI:
+         if (!ctx->Extensions.SGI_texture_color_table) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
+            return;
+         }
+         table = &(texUnit->ColorTable);
+         break;
+      case GL_POST_CONVOLUTION_COLOR_TABLE:
+         table = &ctx->PostConvolutionColorTable;
+         break;
+      case GL_POST_COLOR_MATRIX_COLOR_TABLE:
+         table = &ctx->PostColorMatrixColorTable;
          break;
       default:
-         gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableEXT(target)");
+         _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
          return;
    }
 
-   gl_problem(ctx, "glGetColorTableEXT not implemented!");
-   (void) format;
-   (void) type;
-   (void) table;
+   ASSERT(table);
+
+   switch (table->Format) {
+      case GL_ALPHA:
+         if (table->Type == GL_FLOAT) {
+            const GLfloat *tableF = (const GLfloat *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = 0;
+               rgba[i][GCOMP] = 0;
+               rgba[i][BCOMP] = 0;
+               rgba[i][ACOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
+            }
+         }
+         else {
+            const GLchan *tableUB = (const GLchan *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = 0;
+               rgba[i][GCOMP] = 0;
+               rgba[i][BCOMP] = 0;
+               rgba[i][ACOMP] = tableUB[i];
+            }
+         }
+         break;
+      case GL_LUMINANCE:
+         if (table->Type == GL_FLOAT) {
+            const GLfloat *tableF = (const GLfloat *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
+               rgba[i][GCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
+               rgba[i][BCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
+               rgba[i][ACOMP] = CHAN_MAX;
+            }
+         }
+         else {
+            const GLchan *tableUB = (const GLchan *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = tableUB[i];
+               rgba[i][GCOMP] = tableUB[i];
+               rgba[i][BCOMP] = tableUB[i];
+               rgba[i][ACOMP] = CHAN_MAX;
+            }
+         }
+         break;
+      case GL_LUMINANCE_ALPHA:
+         if (table->Type == GL_FLOAT) {
+            const GLfloat *tableF = (const GLfloat *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = IROUND_POS(tableF[i*2+0] * CHAN_MAXF);
+               rgba[i][GCOMP] = IROUND_POS(tableF[i*2+0] * CHAN_MAXF);
+               rgba[i][BCOMP] = IROUND_POS(tableF[i*2+0] * CHAN_MAXF);
+               rgba[i][ACOMP] = IROUND_POS(tableF[i*2+1] * CHAN_MAXF);
+            }
+         }
+         else {
+            const GLchan *tableUB = (const GLchan *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = tableUB[i*2+0];
+               rgba[i][GCOMP] = tableUB[i*2+0];
+               rgba[i][BCOMP] = tableUB[i*2+0];
+               rgba[i][ACOMP] = tableUB[i*2+1];
+            }
+         }
+         break;
+      case GL_INTENSITY:
+         if (table->Type == GL_FLOAT) {
+            const GLfloat *tableF = (const GLfloat *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
+               rgba[i][GCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
+               rgba[i][BCOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
+               rgba[i][ACOMP] = IROUND_POS(tableF[i] * CHAN_MAXF);
+            }
+         }
+         else {
+            const GLchan *tableUB = (const GLchan *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = tableUB[i];
+               rgba[i][GCOMP] = tableUB[i];
+               rgba[i][BCOMP] = tableUB[i];
+               rgba[i][ACOMP] = tableUB[i];
+            }
+         }
+         break;
+      case GL_RGB:
+         if (table->Type == GL_FLOAT) {
+            const GLfloat *tableF = (const GLfloat *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = IROUND_POS(tableF[i*3+0] * CHAN_MAXF);
+               rgba[i][GCOMP] = IROUND_POS(tableF[i*3+1] * CHAN_MAXF);
+               rgba[i][BCOMP] = IROUND_POS(tableF[i*3+2] * CHAN_MAXF);
+               rgba[i][ACOMP] = CHAN_MAX;
+            }
+         }
+         else {
+            const GLchan *tableUB = (const GLchan *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = tableUB[i*3+0];
+               rgba[i][GCOMP] = tableUB[i*3+1];
+               rgba[i][BCOMP] = tableUB[i*3+2];
+               rgba[i][ACOMP] = CHAN_MAX;
+            }
+         }
+         break;
+      case GL_RGBA:
+         if (table->Type == GL_FLOAT) {
+            const GLfloat *tableF = (const GLfloat *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = IROUND_POS(tableF[i*4+0] * CHAN_MAXF);
+               rgba[i][GCOMP] = IROUND_POS(tableF[i*4+1] * CHAN_MAXF);
+               rgba[i][BCOMP] = IROUND_POS(tableF[i*4+2] * CHAN_MAXF);
+               rgba[i][ACOMP] = IROUND_POS(tableF[i*4+3] * CHAN_MAXF);
+            }
+         }
+         else {
+            const GLchan *tableUB = (const GLchan *) table->Table;
+            GLuint i;
+            for (i = 0; i < table->Size; i++) {
+               rgba[i][RCOMP] = tableUB[i*4+0];
+               rgba[i][GCOMP] = tableUB[i*4+1];
+               rgba[i][BCOMP] = tableUB[i*4+2];
+               rgba[i][ACOMP] = tableUB[i*4+3];
+            }
+         }
+         break;
+      default:
+         _mesa_problem(ctx, "bad table format in glGetColorTable");
+         return;
+   }
+
+   if (ctx->Pack.BufferObj->Name) {
+      /* pack color table into PBO */
+      GLubyte *buf;
+      if (!_mesa_validate_pbo_access(1, &ctx->Pack, table->Size, 1, 1,
+                                     format, type, data)) {
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glGetColorTable(invalid PBO access)");
+         return;
+      }
+      buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+                                              GL_WRITE_ONLY_ARB,
+                                              ctx->Pack.BufferObj);
+      if (!buf) {
+         /* buffer is already mapped - that's an error */
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glGetColorTable(PBO is mapped)");
+         return;
+      }
+      data = ADD_POINTERS(buf, data);
+   }
+
+   _mesa_pack_rgba_span_chan(ctx, table->Size, (const GLchan (*)[4]) rgba,
+                        format, type, data, &ctx->Pack, GL_FALSE);
+
+   if (ctx->Pack.BufferObj->Name) {
+      ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+                              ctx->Pack.BufferObj);
+   }
 }
 
 
 
-void gl_GetColorTableParameterfv( GLcontext *ctx, GLenum target,
-                                  GLenum pname, GLfloat *params )
+void GLAPIENTRY
+_mesa_ColorTableParameterfv(GLenum target, GLenum pname, const GLfloat *params)
 {
-   GLint iparams[10];
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
 
-   gl_GetColorTableParameteriv( ctx, target, pname, iparams );
-   *params = (GLfloat) iparams[0];
+   switch (target) {
+      case GL_COLOR_TABLE_SGI:
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            ctx->Pixel.ColorTableScale[0] = params[0];
+            ctx->Pixel.ColorTableScale[1] = params[1];
+            ctx->Pixel.ColorTableScale[2] = params[2];
+            ctx->Pixel.ColorTableScale[3] = params[3];
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            ctx->Pixel.ColorTableBias[0] = params[0];
+            ctx->Pixel.ColorTableBias[1] = params[1];
+            ctx->Pixel.ColorTableBias[2] = params[2];
+            ctx->Pixel.ColorTableBias[3] = params[3];
+         }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
+            return;
+         }
+         break;
+      case GL_TEXTURE_COLOR_TABLE_SGI:
+         if (!ctx->Extensions.SGI_texture_color_table) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)");
+            return;
+         }
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            ctx->Pixel.TextureColorTableScale[0] = params[0];
+            ctx->Pixel.TextureColorTableScale[1] = params[1];
+            ctx->Pixel.TextureColorTableScale[2] = params[2];
+            ctx->Pixel.TextureColorTableScale[3] = params[3];
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            ctx->Pixel.TextureColorTableBias[0] = params[0];
+            ctx->Pixel.TextureColorTableBias[1] = params[1];
+            ctx->Pixel.TextureColorTableBias[2] = params[2];
+            ctx->Pixel.TextureColorTableBias[3] = params[3];
+         }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
+            return;
+         }
+         break;
+      case GL_POST_CONVOLUTION_COLOR_TABLE_SGI:
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            ctx->Pixel.PCCTscale[0] = params[0];
+            ctx->Pixel.PCCTscale[1] = params[1];
+            ctx->Pixel.PCCTscale[2] = params[2];
+            ctx->Pixel.PCCTscale[3] = params[3];
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            ctx->Pixel.PCCTbias[0] = params[0];
+            ctx->Pixel.PCCTbias[1] = params[1];
+            ctx->Pixel.PCCTbias[2] = params[2];
+            ctx->Pixel.PCCTbias[3] = params[3];
+         }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
+            return;
+         }
+         break;
+      case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI:
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            ctx->Pixel.PCMCTscale[0] = params[0];
+            ctx->Pixel.PCMCTscale[1] = params[1];
+            ctx->Pixel.PCMCTscale[2] = params[2];
+            ctx->Pixel.PCMCTscale[3] = params[3];
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            ctx->Pixel.PCMCTbias[0] = params[0];
+            ctx->Pixel.PCMCTbias[1] = params[1];
+            ctx->Pixel.PCMCTbias[2] = params[2];
+            ctx->Pixel.PCMCTbias[3] = params[3];
+         }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(pname)");
+            return;
+         }
+         break;
+      default:
+         _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameter(target)");
+         return;
+   }
+
+   ctx->NewState |= _NEW_PIXEL;
 }
 
 
 
-void gl_GetColorTableParameteriv( GLcontext *ctx, GLenum target,
-                                  GLenum pname, GLint *params )
+void GLAPIENTRY
+_mesa_ColorTableParameteriv(GLenum target, GLenum pname, const GLint *params)
 {
+   GLfloat fparams[4];
+   if (pname == GL_COLOR_TABLE_SGI ||
+       pname == GL_TEXTURE_COLOR_TABLE_SGI ||
+       pname == GL_POST_CONVOLUTION_COLOR_TABLE_SGI ||
+       pname == GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI) {
+      /* four values */
+      fparams[0] = (GLfloat) params[0];
+      fparams[1] = (GLfloat) params[1];
+      fparams[2] = (GLfloat) params[2];
+      fparams[3] = (GLfloat) params[3];
+   }
+   else {
+      /* one values */
+      fparams[0] = (GLfloat) params[0];
+   }
+   _mesa_ColorTableParameterfv(target, pname, fparams);
+}
+
+
+
+void GLAPIENTRY
+_mesa_GetColorTableParameterfv( GLenum target, GLenum pname, GLfloat *params )
+{
+   GET_CURRENT_CONTEXT(ctx);
    struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-   struct gl_texture_object *texObj;
+   struct gl_color_table *table = NULL;
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   switch (target) {
+      case GL_TEXTURE_1D:
+         table = &texUnit->Current1D->Palette;
+         break;
+      case GL_TEXTURE_2D:
+         table = &texUnit->Current2D->Palette;
+         break;
+      case GL_TEXTURE_3D:
+         table = &texUnit->Current3D->Palette;
+         break;
+      case GL_TEXTURE_CUBE_MAP_ARB:
+         if (!ctx->Extensions.ARB_texture_cube_map) {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glGetColorTableParameterfv(target)");
+            return;
+         }
+         table = &texUnit->CurrentCubeMap->Palette;
+         break;
+      case GL_PROXY_TEXTURE_1D:
+         table = &ctx->Texture.Proxy1D->Palette;
+         break;
+      case GL_PROXY_TEXTURE_2D:
+         table = &ctx->Texture.Proxy2D->Palette;
+         break;
+      case GL_PROXY_TEXTURE_3D:
+         table = &ctx->Texture.Proxy3D->Palette;
+         break;
+      case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+         if (!ctx->Extensions.ARB_texture_cube_map) {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glGetColorTableParameterfv(target)");
+            return;
+         }
+         table = &ctx->Texture.ProxyCubeMap->Palette;
+         break;
+      case GL_SHARED_TEXTURE_PALETTE_EXT:
+         table = &ctx->Texture.Palette;
+         break;
+      case GL_COLOR_TABLE:
+         table = &ctx->ColorTable;
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            params[0] = ctx->Pixel.ColorTableScale[0];
+            params[1] = ctx->Pixel.ColorTableScale[1];
+            params[2] = ctx->Pixel.ColorTableScale[2];
+            params[3] = ctx->Pixel.ColorTableScale[3];
+            return;
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            params[0] = ctx->Pixel.ColorTableBias[0];
+            params[1] = ctx->Pixel.ColorTableBias[1];
+            params[2] = ctx->Pixel.ColorTableBias[2];
+            params[3] = ctx->Pixel.ColorTableBias[3];
+            return;
+         }
+         break;
+      case GL_PROXY_COLOR_TABLE:
+         table = &ctx->ProxyColorTable;
+         break;
+      case GL_TEXTURE_COLOR_TABLE_SGI:
+         if (!ctx->Extensions.SGI_texture_color_table) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)");
+            return;
+         }
+         table = &(texUnit->ColorTable);
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            params[0] = ctx->Pixel.TextureColorTableScale[0];
+            params[1] = ctx->Pixel.TextureColorTableScale[1];
+            params[2] = ctx->Pixel.TextureColorTableScale[2];
+            params[3] = ctx->Pixel.TextureColorTableScale[3];
+            return;
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            params[0] = ctx->Pixel.TextureColorTableBias[0];
+            params[1] = ctx->Pixel.TextureColorTableBias[1];
+            params[2] = ctx->Pixel.TextureColorTableBias[2];
+            params[3] = ctx->Pixel.TextureColorTableBias[3];
+            return;
+         }
+         break;
+      case GL_PROXY_TEXTURE_COLOR_TABLE_SGI:
+         if (!ctx->Extensions.SGI_texture_color_table) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)");
+            return;
+         }
+         table = &(texUnit->ProxyColorTable);
+         break;
+      case GL_POST_CONVOLUTION_COLOR_TABLE:
+         table = &ctx->PostConvolutionColorTable;
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            params[0] = ctx->Pixel.PCCTscale[0];
+            params[1] = ctx->Pixel.PCCTscale[1];
+            params[2] = ctx->Pixel.PCCTscale[2];
+            params[3] = ctx->Pixel.PCCTscale[3];
+            return;
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            params[0] = ctx->Pixel.PCCTbias[0];
+            params[1] = ctx->Pixel.PCCTbias[1];
+            params[2] = ctx->Pixel.PCCTbias[2];
+            params[3] = ctx->Pixel.PCCTbias[3];
+            return;
+         }
+         break;
+      case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
+         table = &ctx->ProxyPostConvolutionColorTable;
+         break;
+      case GL_POST_COLOR_MATRIX_COLOR_TABLE:
+         table = &ctx->PostColorMatrixColorTable;
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            params[0] = ctx->Pixel.PCMCTscale[0];
+            params[1] = ctx->Pixel.PCMCTscale[1];
+            params[2] = ctx->Pixel.PCMCTscale[2];
+            params[3] = ctx->Pixel.PCMCTscale[3];
+            return;
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            params[0] = ctx->Pixel.PCMCTbias[0];
+            params[1] = ctx->Pixel.PCMCTbias[1];
+            params[2] = ctx->Pixel.PCMCTbias[2];
+            params[3] = ctx->Pixel.PCMCTbias[3];
+            return;
+         }
+         break;
+      case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
+         table = &ctx->ProxyPostColorMatrixColorTable;
+         break;
+      default:
+         _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(target)");
+         return;
+   }
+
+   assert(table);
+
+   switch (pname) {
+      case GL_COLOR_TABLE_FORMAT:
+         *params = (GLfloat) table->IntFormat;
+         break;
+      case GL_COLOR_TABLE_WIDTH:
+         *params = (GLfloat) table->Size;
+         break;
+      case GL_COLOR_TABLE_RED_SIZE:
+         *params = (GLfloat) table->RedSize;
+         break;
+      case GL_COLOR_TABLE_GREEN_SIZE:
+         *params = (GLfloat) table->GreenSize;
+         break;
+      case GL_COLOR_TABLE_BLUE_SIZE:
+         *params = (GLfloat) table->BlueSize;
+         break;
+      case GL_COLOR_TABLE_ALPHA_SIZE:
+         *params = (GLfloat) table->AlphaSize;
+         break;
+      case GL_COLOR_TABLE_LUMINANCE_SIZE:
+         *params = (GLfloat) table->LuminanceSize;
+         break;
+      case GL_COLOR_TABLE_INTENSITY_SIZE:
+         *params = (GLfloat) table->IntensitySize;
+         break;
+      default:
+         _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(pname)" );
+         return;
+   }
+}
+
 
-   ASSERT_OUTSIDE_BEGIN_END(ctx, "glGetColorTableParameter");
+
+void GLAPIENTRY
+_mesa_GetColorTableParameteriv( GLenum target, GLenum pname, GLint *params )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+   struct gl_color_table *table = NULL;
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
 
    switch (target) {
       case GL_TEXTURE_1D:
-         texObj = texUnit->CurrentD[1];
+         table = &texUnit->Current1D->Palette;
          break;
       case GL_TEXTURE_2D:
-         texObj = texUnit->CurrentD[2];
+         table = &texUnit->Current2D->Palette;
+         break;
+      case GL_TEXTURE_3D:
+         table = &texUnit->Current3D->Palette;
+         break;
+      case GL_TEXTURE_CUBE_MAP_ARB:
+         if (!ctx->Extensions.ARB_texture_cube_map) {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glGetColorTableParameteriv(target)");
+            return;
+         }
+         table = &texUnit->CurrentCubeMap->Palette;
+         break;
+      case GL_PROXY_TEXTURE_1D:
+         table = &ctx->Texture.Proxy1D->Palette;
+         break;
+      case GL_PROXY_TEXTURE_2D:
+         table = &ctx->Texture.Proxy2D->Palette;
          break;
-      case GL_TEXTURE_3D_EXT:
-         texObj = texUnit->CurrentD[3];
+      case GL_PROXY_TEXTURE_3D:
+         table = &ctx->Texture.Proxy3D->Palette;
+         break;
+      case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+         if (!ctx->Extensions.ARB_texture_cube_map) {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glGetColorTableParameteriv(target)");
+            return;
+         }
+         table = &ctx->Texture.ProxyCubeMap->Palette;
          break;
       case GL_SHARED_TEXTURE_PALETTE_EXT:
-         texObj = NULL;
+         table = &ctx->Texture.Palette;
+         break;
+      case GL_COLOR_TABLE:
+         table = &ctx->ColorTable;
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            params[0] = (GLint) ctx->Pixel.ColorTableScale[0];
+            params[1] = (GLint) ctx->Pixel.ColorTableScale[1];
+            params[2] = (GLint) ctx->Pixel.ColorTableScale[2];
+            params[3] = (GLint) ctx->Pixel.ColorTableScale[3];
+            return;
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            params[0] = (GLint) ctx->Pixel.ColorTableBias[0];
+            params[1] = (GLint) ctx->Pixel.ColorTableBias[1];
+            params[2] = (GLint) ctx->Pixel.ColorTableBias[2];
+            params[3] = (GLint) ctx->Pixel.ColorTableBias[3];
+            return;
+         }
+         break;
+      case GL_PROXY_COLOR_TABLE:
+         table = &ctx->ProxyColorTable;
+         break;
+      case GL_TEXTURE_COLOR_TABLE_SGI:
+         if (!ctx->Extensions.SGI_texture_color_table) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)");
+            return;
+         }
+         table = &(texUnit->ColorTable);
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            params[0] = (GLint) ctx->Pixel.TextureColorTableScale[0];
+            params[1] = (GLint) ctx->Pixel.TextureColorTableScale[1];
+            params[2] = (GLint) ctx->Pixel.TextureColorTableScale[2];
+            params[3] = (GLint) ctx->Pixel.TextureColorTableScale[3];
+            return;
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            params[0] = (GLint) ctx->Pixel.TextureColorTableBias[0];
+            params[1] = (GLint) ctx->Pixel.TextureColorTableBias[1];
+            params[2] = (GLint) ctx->Pixel.TextureColorTableBias[2];
+            params[3] = (GLint) ctx->Pixel.TextureColorTableBias[3];
+            return;
+         }
+         break;
+      case GL_PROXY_TEXTURE_COLOR_TABLE_SGI:
+         if (!ctx->Extensions.SGI_texture_color_table) {
+            _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)");
+            return;
+         }
+         table = &(texUnit->ProxyColorTable);
+         break;
+      case GL_POST_CONVOLUTION_COLOR_TABLE:
+         table = &ctx->PostConvolutionColorTable;
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            params[0] = (GLint) ctx->Pixel.PCCTscale[0];
+            params[1] = (GLint) ctx->Pixel.PCCTscale[1];
+            params[2] = (GLint) ctx->Pixel.PCCTscale[2];
+            params[3] = (GLint) ctx->Pixel.PCCTscale[3];
+            return;
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            params[0] = (GLint) ctx->Pixel.PCCTbias[0];
+            params[1] = (GLint) ctx->Pixel.PCCTbias[1];
+            params[2] = (GLint) ctx->Pixel.PCCTbias[2];
+            params[3] = (GLint) ctx->Pixel.PCCTbias[3];
+            return;
+         }
+         break;
+      case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
+         table = &ctx->ProxyPostConvolutionColorTable;
+         break;
+      case GL_POST_COLOR_MATRIX_COLOR_TABLE:
+         table = &ctx->PostColorMatrixColorTable;
+         if (pname == GL_COLOR_TABLE_SCALE_SGI) {
+            params[0] = (GLint) ctx->Pixel.PCMCTscale[0];
+            params[1] = (GLint) ctx->Pixel.PCMCTscale[1];
+            params[2] = (GLint) ctx->Pixel.PCMCTscale[2];
+            params[3] = (GLint) ctx->Pixel.PCMCTscale[3];
+            return;
+         }
+         else if (pname == GL_COLOR_TABLE_BIAS_SGI) {
+            params[0] = (GLint) ctx->Pixel.PCMCTbias[0];
+            params[1] = (GLint) ctx->Pixel.PCMCTbias[1];
+            params[2] = (GLint) ctx->Pixel.PCMCTbias[2];
+            params[3] = (GLint) ctx->Pixel.PCMCTbias[3];
+            return;
+         }
+         break;
+      case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
+         table = &ctx->ProxyPostColorMatrixColorTable;
          break;
       default:
-         gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter(target)");
+         _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(target)");
          return;
    }
 
+   assert(table);
+
    switch (pname) {
-      case GL_COLOR_TABLE_FORMAT_EXT:
-         if (texObj)
-            *params = texObj->PaletteIntFormat;
-         else
-            *params = ctx->Texture.PaletteIntFormat;
+      case GL_COLOR_TABLE_FORMAT:
+         *params = table->IntFormat;
          break;
-      case GL_COLOR_TABLE_WIDTH_EXT:
-         if (texObj)
-            *params = texObj->PaletteSize;
-         else
-            *params = ctx->Texture.PaletteSize;
+      case GL_COLOR_TABLE_WIDTH:
+         *params = table->Size;
          break;
-      case GL_COLOR_TABLE_RED_SIZE_EXT:
-         *params = 8;
+      case GL_COLOR_TABLE_RED_SIZE:
+         *params = table->RedSize;
          break;
-      case GL_COLOR_TABLE_GREEN_SIZE_EXT:
-         *params = 8;
+      case GL_COLOR_TABLE_GREEN_SIZE:
+         *params = table->GreenSize;
          break;
-      case GL_COLOR_TABLE_BLUE_SIZE_EXT:
-         *params = 8;
+      case GL_COLOR_TABLE_BLUE_SIZE:
+         *params = table->BlueSize;
          break;
-      case GL_COLOR_TABLE_ALPHA_SIZE_EXT:
-         *params = 8;
+      case GL_COLOR_TABLE_ALPHA_SIZE:
+         *params = table->AlphaSize;
          break;
-      case GL_COLOR_TABLE_LUMINANCE_SIZE_EXT:
-         *params = 8;
+      case GL_COLOR_TABLE_LUMINANCE_SIZE:
+         *params = table->LuminanceSize;
          break;
-      case GL_COLOR_TABLE_INTENSITY_SIZE_EXT:
-         *params = 8;
+      case GL_COLOR_TABLE_INTENSITY_SIZE:
+         *params = table->IntensitySize;
          break;
       default:
-         gl_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameter" );
+         _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(pname)" );
          return;
    }
 }
 
+/**********************************************************************/
+/*****                      Initialization                        *****/
+/**********************************************************************/
 
+
+void
+_mesa_init_colortable( struct gl_color_table *p )
+{
+   p->Type = CHAN_TYPE;
+   p->Table = NULL;
+   p->Size = 0;
+   p->IntFormat = GL_RGBA;
+}
+
+
+
+void
+_mesa_free_colortable_data( struct gl_color_table *p )
+{
+   if (p->Table) {
+      FREE(p->Table);
+      p->Table = NULL;
+   }
+}
+
+
+/*
+ * Initialize all colortables for a context.
+ */
+void _mesa_init_colortables( GLcontext * ctx )
+{
+   /* Color tables */
+   _mesa_init_colortable(&ctx->ColorTable);
+   _mesa_init_colortable(&ctx->ProxyColorTable);
+   _mesa_init_colortable(&ctx->PostConvolutionColorTable);
+   _mesa_init_colortable(&ctx->ProxyPostConvolutionColorTable);
+   _mesa_init_colortable(&ctx->PostColorMatrixColorTable);
+   _mesa_init_colortable(&ctx->ProxyPostColorMatrixColorTable);
+}
+
+
+/*
+ * Free all colortable data for a context
+ */
+void _mesa_free_colortables_data( GLcontext *ctx )
+{
+   _mesa_free_colortable_data(&ctx->ColorTable);
+   _mesa_free_colortable_data(&ctx->ProxyColorTable);
+   _mesa_free_colortable_data(&ctx->PostConvolutionColorTable);
+   _mesa_free_colortable_data(&ctx->ProxyPostConvolutionColorTable);
+   _mesa_free_colortable_data(&ctx->PostColorMatrixColorTable);
+   _mesa_free_colortable_data(&ctx->ProxyPostColorMatrixColorTable);
+}