Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 1849 insertions, 0 deletions

diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddtex.c b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddtex.c
new file mode 100644
index 000000000..f3f12c4cc
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddtex.c
@@ -0,0 +1,1849 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  4.0
+ *
+ * Copyright (C) 1999-2001  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
+ * BRIAN PAUL 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.
+ */
+
+/* Authors:
+ *    David Bucciarelli
+ *    Brian Paul
+ *    Daryll Strauss
+ *    Keith Whitwell
+ *    Daniel Borca
+ *    Hiroshi Morii
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include "conf.h"
+#endif
+
+#if defined(FX)
+
+#include "fxdrv.h"
+#include "enums.h"
+#include "image.h"
+#include "teximage.h"
+#include "texformat.h"
+#include "texcompress.h"
+#include "texobj.h"
+#include "texstore.h"
+
+
+/* no borders! can't halve 1x1! (stride > width * comp) not allowed */
+static void
+_mesa_halve2x2_teximage2d ( GLcontext *ctx,
+			    struct gl_texture_image *texImage,
+			    GLuint bytesPerPixel,
+			    GLint srcWidth, GLint srcHeight,
+			    const GLvoid *srcImage, GLvoid *dstImage )
+{
+   GLint i, j, k;
+   GLint dstWidth = srcWidth / 2;
+   GLint dstHeight = srcHeight / 2;
+   GLint srcRowStride = srcWidth * bytesPerPixel;
+   GLubyte *src = (GLubyte *)srcImage;
+   GLubyte *dst = dstImage;
+
+   GLuint bpt = 0;
+   GLubyte *_s = NULL;
+   GLubyte *_d = NULL;
+   GLenum _t = 0;
+
+   if (texImage->TexFormat->MesaFormat == MESA_FORMAT_RGB565) {
+      _t = GL_UNSIGNED_SHORT_5_6_5_REV;
+      bpt = bytesPerPixel;
+   } else if (texImage->TexFormat->MesaFormat == MESA_FORMAT_ARGB4444) {
+      _t = GL_UNSIGNED_SHORT_4_4_4_4_REV;
+      bpt = bytesPerPixel;
+   } else if (texImage->TexFormat->MesaFormat == MESA_FORMAT_ARGB1555) {
+      _t = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+      bpt = bytesPerPixel;
+   }
+   if (bpt) {
+      bytesPerPixel = 4;
+      srcRowStride = srcWidth * bytesPerPixel;
+      if (dstWidth == 0) {
+         dstWidth = 1;
+      }
+      if (dstHeight == 0) {
+         dstHeight = 1;
+      }
+      _s = src = MALLOC(srcRowStride * srcHeight);
+      _d = dst = MALLOC(dstWidth * bytesPerPixel * dstHeight);
+      _mesa_texstore_rgba8888(ctx, 2, GL_RGBA,
+                              &_mesa_texformat_rgba8888_rev, src,
+                              0, 0, 0, /* dstX/Y/Zoffset */
+                              srcRowStride, /* dstRowStride */
+                              0, /* dstImageStride */
+                              srcWidth, srcHeight, 1,
+                              texImage->Format, _t, srcImage, &ctx->DefaultPacking);
+   }
+
+   if (srcHeight == 1) {
+      for (i = 0; i < dstWidth; i++) {
+         for (k = 0; k < bytesPerPixel; k++) {
+            dst[0] = (src[0] + src[bytesPerPixel] + 1) / 2;
+            src++;
+            dst++;
+         }
+         src += bytesPerPixel;
+      }
+   } else if (srcWidth == 1) {
+      for (j = 0; j < dstHeight; j++) {
+         for (k = 0; k < bytesPerPixel; k++) {
+            dst[0] = (src[0] + src[srcRowStride] + 1) / 2;
+            src++;
+            dst++;
+         }
+         src += srcRowStride;
+      }
+   } else {
+      for (j = 0; j < dstHeight; j++) {
+         for (i = 0; i < dstWidth; i++) {
+            for (k = 0; k < bytesPerPixel; k++) {
+               dst[0] = (src[0] +
+                         src[bytesPerPixel] +
+                         src[srcRowStride] +
+                         src[srcRowStride + bytesPerPixel] + 2) / 4;
+               src++;
+               dst++;
+            }
+            src += bytesPerPixel;
+         }
+         src += srcRowStride;
+      }
+   }
+
+   if (bpt) {
+      src = _s;
+      dst = _d;
+      texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
+                                      texImage->TexFormat, dstImage,
+                                      0, 0, 0, /* dstX/Y/Zoffset */
+                                      dstWidth * bpt,
+                                      0, /* dstImageStride */
+                                      dstWidth, dstHeight, 1,
+                                      GL_BGRA, CHAN_TYPE, dst, &ctx->DefaultPacking);
+      FREE(dst);
+      FREE(src);
+   }
+}
+
+
+void
+fxPrintTextureData(tfxTexInfo * ti)
+{
+   fprintf(stderr, "Texture Data:\n");
+   if (ti->tObj) {
+      fprintf(stderr, "\tName: %d\n", ti->tObj->Name);
+      fprintf(stderr, "\tBaseLevel: %d\n", ti->tObj->BaseLevel);
+      fprintf(stderr, "\tSize: %d x %d\n",
+	      ti->tObj->Image[0][ti->tObj->BaseLevel]->Width,
+	      ti->tObj->Image[0][ti->tObj->BaseLevel]->Height);
+   }
+   else
+      fprintf(stderr, "\tName: UNNAMED\n");
+   fprintf(stderr, "\tLast used: %d\n", ti->lastTimeUsed);
+   fprintf(stderr, "\tTMU: %ld\n", ti->whichTMU);
+   fprintf(stderr, "\t%s\n", (ti->isInTM) ? "In TMU" : "Not in TMU");
+   if (ti->tm[0])
+      fprintf(stderr, "\tMem0: %x-%x\n", (unsigned) ti->tm[0]->startAddr,
+	      (unsigned) ti->tm[0]->endAddr);
+   if (ti->tm[1])
+      fprintf(stderr, "\tMem1: %x-%x\n", (unsigned) ti->tm[1]->startAddr,
+	      (unsigned) ti->tm[1]->endAddr);
+   fprintf(stderr, "\tMipmaps: %d-%d\n", ti->minLevel, ti->maxLevel);
+   fprintf(stderr, "\tFilters: min %d max %d\n",
+	   (int) ti->minFilt, (int) ti->maxFilt);
+   fprintf(stderr, "\tClamps: s %d t %d\n", (int) ti->sClamp,
+	   (int) ti->tClamp);
+   fprintf(stderr, "\tScales: s %f t %f\n", ti->sScale, ti->tScale);
+   fprintf(stderr, "\t%s\n",
+	   (ti->fixedPalette) ? "Fixed palette" : "Non fixed palette");
+   fprintf(stderr, "\t%s\n", (ti->validated) ? "Validated" : "Not validated");
+}
+
+
+/************************************************************************/
+/*************************** Texture Mapping ****************************/
+/************************************************************************/
+
+static void
+fxTexInvalidate(GLcontext * ctx, struct gl_texture_object *tObj)
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+   tfxTexInfo *ti;
+
+   ti = fxTMGetTexInfo(tObj);
+   if (ti->isInTM)
+      fxTMMoveOutTM(fxMesa, tObj);	/* TO DO: SLOW but easy to write */
+
+   ti->validated = GL_FALSE;
+   fxMesa->new_state |= FX_NEW_TEXTURING;
+}
+
+static tfxTexInfo *
+fxAllocTexObjData(fxMesaContext fxMesa)
+{
+   tfxTexInfo *ti;
+
+   if (!(ti = CALLOC(sizeof(tfxTexInfo)))) {
+      fprintf(stderr, "fxAllocTexObjData: ERROR: out of memory !\n");
+      fxCloseHardware();
+      exit(-1);
+   }
+
+   ti->validated = GL_FALSE;
+   ti->isInTM = GL_FALSE;
+
+   ti->whichTMU = FX_TMU_NONE;
+
+   ti->tm[FX_TMU0] = NULL;
+   ti->tm[FX_TMU1] = NULL;
+
+   ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED;
+   ti->maxFilt = GR_TEXTUREFILTER_BILINEAR;
+
+   ti->sClamp = GR_TEXTURECLAMP_WRAP;
+   ti->tClamp = GR_TEXTURECLAMP_WRAP;
+
+   ti->mmMode = GR_MIPMAP_NEAREST;
+   ti->LODblend = FXFALSE;
+
+   return ti;
+}
+
+void
+fxDDTexBind(GLcontext * ctx, GLenum target, struct gl_texture_object *tObj)
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+   tfxTexInfo *ti;
+
+   if (TDFX_DEBUG & VERBOSE_DRIVER) {
+      fprintf(stderr, "fxDDTexBind(%d, %x)\n", tObj->Name, (GLuint)tObj->DriverData);
+   }
+
+   if ((target != GL_TEXTURE_1D) && (target != GL_TEXTURE_2D))
+      return;
+
+   if (!tObj->DriverData) {
+      tObj->DriverData = fxAllocTexObjData(fxMesa);
+   }
+   ti = fxTMGetTexInfo(tObj);
+
+   fxMesa->texBindNumber++;
+   ti->lastTimeUsed = fxMesa->texBindNumber;
+
+   fxMesa->new_state |= FX_NEW_TEXTURING;
+}
+
+void
+fxDDTexEnv(GLcontext * ctx, GLenum target, GLenum pname,
+	   const GLfloat * param)
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+
+   if (TDFX_DEBUG & VERBOSE_DRIVER) {
+      if (param)
+	 fprintf(stderr, "fxDDTexEnv(%x, %x)\n", pname, (GLint) (*param));
+      else
+	 fprintf(stderr, "fxDDTexEnv(%x)\n", pname);
+   }
+
+   /* apply any lod biasing right now */
+   if (pname == GL_TEXTURE_LOD_BIAS_EXT) {
+      GLfloat bias = *param;
+      CLAMP_SELF(bias, -ctx->Const.MaxTextureLodBias,
+                        ctx->Const.MaxTextureLodBias - 0.25);
+
+      grTexLodBiasValue(GR_TMU0, bias);
+
+      if (fxMesa->haveTwoTMUs) {
+	 grTexLodBiasValue(GR_TMU1, bias);
+      }
+
+   }
+
+   fxMesa->new_state |= FX_NEW_TEXTURING;
+}
+
+void
+fxDDTexParam(GLcontext * ctx, GLenum target, struct gl_texture_object *tObj,
+	     GLenum pname, const GLfloat * params)
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+   GLenum param = (GLenum) (GLint) params[0];
+   tfxTexInfo *ti;
+
+   if (TDFX_DEBUG & VERBOSE_DRIVER) {
+      fprintf(stderr, "fxDDTexParam(%d, %x, %s, %s)\n",
+                      tObj->Name, (GLuint) tObj->DriverData,
+                      _mesa_lookup_enum_by_nr(pname),
+                      _mesa_lookup_enum_by_nr(param));
+   }
+
+   if ((target != GL_TEXTURE_1D) && (target != GL_TEXTURE_2D))
+      return;
+
+   if (!tObj->DriverData)
+      tObj->DriverData = fxAllocTexObjData(fxMesa);
+   ti = fxTMGetTexInfo(tObj);
+
+   switch (pname) {
+   case GL_TEXTURE_MIN_FILTER:
+      switch (param) {
+      case GL_NEAREST:
+	 ti->mmMode = GR_MIPMAP_DISABLE;
+	 ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED;
+	 ti->LODblend = FXFALSE;
+	 break;
+      case GL_LINEAR:
+	 ti->mmMode = GR_MIPMAP_DISABLE;
+	 ti->minFilt = GR_TEXTUREFILTER_BILINEAR;
+	 ti->LODblend = FXFALSE;
+	 break;
+      case GL_NEAREST_MIPMAP_LINEAR:
+         /* [dBorca]
+          * currently Napalm can't do single-pass trilinear,
+          * because the way its combiners are set. So we fall back
+          * to GL_NEAREST_MIPMAP_NEAREST. We'll let true trilinear
+          * enabled for V2, V3.
+          */
+         if (!fxMesa->HaveCmbExt) {
+	    if (fxMesa->haveTwoTMUs) {
+	       ti->mmMode = GR_MIPMAP_NEAREST;
+	       ti->LODblend = FXTRUE;
+            } else {
+	       ti->mmMode = GR_MIPMAP_NEAREST_DITHER;
+	       ti->LODblend = FXFALSE;
+            }
+	    ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED;
+	    break;
+         }
+      case GL_NEAREST_MIPMAP_NEAREST:
+	 ti->mmMode = GR_MIPMAP_NEAREST;
+	 ti->minFilt = GR_TEXTUREFILTER_POINT_SAMPLED;
+	 ti->LODblend = FXFALSE;
+	 break;
+      case GL_LINEAR_MIPMAP_LINEAR:
+         /* [dBorca]
+          * currently Napalm can't do single-pass trilinear,
+          * because the way its combiners are set. So we fall back
+          * to GL_LINEAR_MIPMAP_NEAREST. We'll let true trilinear
+          * enabled for V2, V3.
+          */
+         if (!fxMesa->HaveCmbExt) {
+            if (fxMesa->haveTwoTMUs) {
+               ti->mmMode = GR_MIPMAP_NEAREST;
+               ti->LODblend = FXTRUE;
+            } else {
+               ti->mmMode = GR_MIPMAP_NEAREST_DITHER;
+               ti->LODblend = FXFALSE;
+            }
+            ti->minFilt = GR_TEXTUREFILTER_BILINEAR;
+            break;
+         }
+      case GL_LINEAR_MIPMAP_NEAREST:
+	 ti->mmMode = GR_MIPMAP_NEAREST;
+	 ti->minFilt = GR_TEXTUREFILTER_BILINEAR;
+	 ti->LODblend = FXFALSE;
+	 break;
+      default:
+	 break;
+      }
+      fxTexInvalidate(ctx, tObj);
+      break;
+
+   case GL_TEXTURE_MAG_FILTER:
+      switch (param) {
+      case GL_NEAREST:
+	 ti->maxFilt = GR_TEXTUREFILTER_POINT_SAMPLED;
+	 break;
+      case GL_LINEAR:
+	 ti->maxFilt = GR_TEXTUREFILTER_BILINEAR;
+	 break;
+      default:
+	 break;
+      }
+      fxMesa->new_state |= FX_NEW_TEXTURING;
+      break;
+
+   case GL_TEXTURE_WRAP_S:
+      switch (param) {
+      case GL_MIRRORED_REPEAT:
+         ti->sClamp = GR_TEXTURECLAMP_MIRROR_EXT;
+         break;
+      case GL_CLAMP_TO_BORDER: /* no-no, but don't REPEAT, either */
+      case GL_CLAMP_TO_EDGE: /* CLAMP discarding border */
+      case GL_CLAMP:
+	 ti->sClamp = GR_TEXTURECLAMP_CLAMP;
+	 break;
+      case GL_REPEAT:
+	 ti->sClamp = GR_TEXTURECLAMP_WRAP;
+	 break;
+      default:
+	 break;
+      }
+      fxMesa->new_state |= FX_NEW_TEXTURING;
+      break;
+
+   case GL_TEXTURE_WRAP_T:
+      switch (param) {
+      case GL_MIRRORED_REPEAT:
+         ti->tClamp = GR_TEXTURECLAMP_MIRROR_EXT;
+         break;
+      case GL_CLAMP_TO_BORDER: /* no-no, but don't REPEAT, either */
+      case GL_CLAMP_TO_EDGE: /* CLAMP discarding border */
+      case GL_CLAMP:
+	 ti->tClamp = GR_TEXTURECLAMP_CLAMP;
+	 break;
+      case GL_REPEAT:
+	 ti->tClamp = GR_TEXTURECLAMP_WRAP;
+	 break;
+      default:
+	 break;
+      }
+      fxMesa->new_state |= FX_NEW_TEXTURING;
+      break;
+
+   case GL_TEXTURE_BORDER_COLOR:
+      /* TO DO */
+      break;
+
+   case GL_TEXTURE_MIN_LOD:
+      /* TO DO */
+      break;
+   case GL_TEXTURE_MAX_LOD:
+      /* TO DO */
+      break;
+   case GL_TEXTURE_BASE_LEVEL:
+      fxTexInvalidate(ctx, tObj);
+      break;
+   case GL_TEXTURE_MAX_LEVEL:
+      fxTexInvalidate(ctx, tObj);
+      break;
+
+   default:
+      break;
+   }
+}
+
+void
+fxDDTexDel(GLcontext * ctx, struct gl_texture_object *tObj)
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+   tfxTexInfo *ti = fxTMGetTexInfo(tObj);
+
+   if (TDFX_DEBUG & VERBOSE_DRIVER) {
+      fprintf(stderr, "fxDDTexDel(%d, %p)\n", tObj->Name, (void *) ti);
+   }
+
+   if (!ti)
+      return;
+
+   fxTMFreeTexture(fxMesa, tObj);
+
+   FREE(ti);
+   tObj->DriverData = NULL;
+
+   /* Free mipmap images and the texture object itself */
+   _mesa_delete_texture_object(ctx, tObj);
+}
+
+
+/**
+ * Allocate a new texture object.
+ * Called via ctx->Driver.NewTextureObject.
+ * Note: this function will be called during context creation to
+ * allocate the default texture objects.
+ */
+struct gl_texture_object *
+fxDDNewTextureObject( GLcontext *ctx, GLuint name, GLenum target )
+{
+   struct gl_texture_object *obj;
+   obj = _mesa_new_texture_object(ctx, name, target);
+   return obj;
+}
+
+
+/*
+ * Return true if texture is resident, false otherwise.
+ */
+GLboolean
+fxDDIsTextureResident(GLcontext *ctx, struct gl_texture_object *tObj)
+{
+   tfxTexInfo *ti = fxTMGetTexInfo(tObj);
+   return (ti && ti->isInTM);
+}
+
+
+
+/*
+ * Convert a gl_color_table texture palette to Glide's format.
+ */
+static GrTexTable_t
+convertPalette(const fxMesaContext fxMesa, FxU32 data[256], const struct gl_color_table *table)
+{
+   const GLubyte *tableUB = (const GLubyte *) table->Table;
+   GLint width = table->Size;
+   FxU32 r, g, b, a;
+   GLint i;
+
+   ASSERT(table->Type == GL_UNSIGNED_BYTE);
+
+   switch (table->Format) {
+   case GL_INTENSITY:
+      for (i = 0; i < width; i++) {
+	 r = tableUB[i];
+	 g = tableUB[i];
+	 b = tableUB[i];
+	 a = tableUB[i];
+	 data[i] = (a << 24) | (r << 16) | (g << 8) | b;
+      }
+      return fxMesa->HavePalExt ? GR_TEXTABLE_PALETTE_6666_EXT : GR_TEXTABLE_PALETTE;
+   case GL_LUMINANCE:
+      for (i = 0; i < width; i++) {
+	 r = tableUB[i];
+	 g = tableUB[i];
+	 b = tableUB[i];
+	 a = 255;
+	 data[i] = (a << 24) | (r << 16) | (g << 8) | b;
+      }
+      return GR_TEXTABLE_PALETTE;
+   case GL_ALPHA:
+      for (i = 0; i < width; i++) {
+	 r = g = b = 255;
+	 a = tableUB[i];
+	 data[i] = (a << 24) | (r << 16) | (g << 8) | b;
+      }
+      return fxMesa->HavePalExt ? GR_TEXTABLE_PALETTE_6666_EXT : GR_TEXTABLE_PALETTE;
+   case GL_LUMINANCE_ALPHA:
+      for (i = 0; i < width; i++) {
+	 r = g = b = tableUB[i * 2 + 0];
+	 a = tableUB[i * 2 + 1];
+	 data[i] = (a << 24) | (r << 16) | (g << 8) | b;
+      }
+      return fxMesa->HavePalExt ? GR_TEXTABLE_PALETTE_6666_EXT : GR_TEXTABLE_PALETTE;
+   default:
+   case GL_RGB:
+      for (i = 0; i < width; i++) {
+	 r = tableUB[i * 3 + 0];
+	 g = tableUB[i * 3 + 1];
+	 b = tableUB[i * 3 + 2];
+	 a = 255;
+	 data[i] = (a << 24) | (r << 16) | (g << 8) | b;
+      }
+      return GR_TEXTABLE_PALETTE;
+   case GL_RGBA:
+      for (i = 0; i < width; i++) {
+	 r = tableUB[i * 4 + 0];
+	 g = tableUB[i * 4 + 1];
+	 b = tableUB[i * 4 + 2];
+	 a = tableUB[i * 4 + 3];
+	 data[i] = (a << 24) | (r << 16) | (g << 8) | b;
+      }
+      return fxMesa->HavePalExt ? GR_TEXTABLE_PALETTE_6666_EXT : GR_TEXTABLE_PALETTE;
+   }
+}
+
+
+void
+fxDDTexPalette(GLcontext * ctx, struct gl_texture_object *tObj)
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+
+   if (tObj) {
+      /* per-texture palette */
+      tfxTexInfo *ti;
+      if (TDFX_DEBUG & VERBOSE_DRIVER) {
+	 fprintf(stderr, "fxDDTexPalette(%d, %x)\n",
+		 tObj->Name, (GLuint) tObj->DriverData);
+      }
+      /* This might be a proxy texture. */
+      if (!tObj->Palette.Table)
+         return;
+      if (!tObj->DriverData)
+         tObj->DriverData = fxAllocTexObjData(fxMesa);
+      ti = fxTMGetTexInfo(tObj);
+      ti->paltype = convertPalette(fxMesa, ti->palette.data, &tObj->Palette);
+      fxTexInvalidate(ctx, tObj);
+   }
+   else {
+      /* global texture palette */
+      if (TDFX_DEBUG & VERBOSE_DRIVER) {
+	 fprintf(stderr, "fxDDTexPalette(global)\n");
+      }
+      fxMesa->glbPalType = convertPalette(fxMesa, fxMesa->glbPalette.data, &ctx->Texture.Palette);
+      fxMesa->new_state |= FX_NEW_TEXTURING;
+
+      grTexDownloadTable(fxMesa->glbPalType, &(fxMesa->glbPalette));
+   }
+}
+
+
+void
+fxDDTexUseGlbPalette(GLcontext * ctx, GLboolean state)
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+
+   if (TDFX_DEBUG & VERBOSE_DRIVER) {
+      fprintf(stderr, "fxDDTexUseGlbPalette(%d)\n", state);
+   }
+
+   fxMesa->haveGlobalPaletteTexture = state;
+   fxMesa->new_state |= FX_NEW_TEXTURING;
+}
+
+
+static int
+logbase2(int n)
+{
+   GLint i = 1;
+   GLint log2 = 0;
+
+   if (n < 0) {
+      return -1;
+   }
+
+   while (n > i) {
+      i *= 2;
+      log2++;
+   }
+   if (i != n) {
+      return -1;
+   }
+   else {
+      return log2;
+   }
+}
+
+
+/* fxTexGetInfo
+ * w, h     - source texture width and height
+ * lodlevel - Glide lod level token for the larger texture dimension
+ * ar       - Glide aspect ratio token
+ * sscale   - S scale factor used during triangle setup
+ * tscale   - T scale factor used during triangle setup
+ * wscale   - OpenGL -> Glide image width scale factor
+ * hscale   - OpenGL -> Glide image height scale factor
+ */
+int
+fxTexGetInfo(int w, int h, GrLOD_t * lodlevel, GrAspectRatio_t * ar,
+	     float *sscale, float *tscale,
+	     int *wscale, int *hscale)
+{
+   int logw, logh, ws, hs;
+   GrLOD_t l;
+   GrAspectRatio_t aspectratio;
+   float s, t;
+
+   logw = logbase2(w);
+   logh = logbase2(h);
+
+   l = MAX2(logw, logh);
+   aspectratio = logw - logh;
+   ws = hs = 1;
+   s = t = 256.0f;
+
+   /* hardware only allows a maximum aspect ratio of 8x1, so handle
+    * |aspectratio| > 3 by scaling the image and using an 8x1 aspect
+    * ratio
+    */
+   switch (aspectratio) {
+   case 0:
+      break;
+   case 1:
+      t = 128.0f;
+      break;
+   case 2:
+      t = 64.0f;
+      break;
+   case 3:
+      t = 32.0f;
+      break;
+   case -1:
+      s = 128.0f;
+      break;
+   case -2:
+      s = 64.0f;
+      break;
+   case -3:
+      s = 32.0f;
+      break;
+   default:
+      if (aspectratio > 3) {
+         t = 32.0f;
+         hs = 1 << (aspectratio - 3);
+         aspectratio = GR_ASPECT_LOG2_8x1;
+      } else /*if (aspectratio < -3)*/ {
+         s = 32.0f;
+         ws = 1 << (-aspectratio - 3);
+         aspectratio = GR_ASPECT_LOG2_1x8;
+      }
+   }
+
+   if (lodlevel)
+      (*lodlevel) = l;
+
+   if (ar)
+      (*ar) = aspectratio;
+
+   if (sscale)
+      (*sscale) = s;
+
+   if (tscale)
+      (*tscale) = t;
+
+   if (wscale)
+      (*wscale) = ws;
+
+   if (hscale)
+      (*hscale) = hs;
+
+
+   return 1;
+}
+
+static GLboolean
+fxIsTexSupported(GLenum target, GLint internalFormat,
+		 const struct gl_texture_image *image)
+{
+   if ((target != GL_TEXTURE_1D) && (target != GL_TEXTURE_2D))
+      return GL_FALSE;
+
+#if 0
+   if (!fxTexGetInfo(image->Width, image->Height, NULL, NULL, NULL, NULL, NULL, NULL))
+       return GL_FALSE;
+#endif
+
+   if (image->Border > 0)
+      return GL_FALSE;
+
+   return GL_TRUE;
+}
+
+
+/**********************************************************************/
+/**** NEW TEXTURE IMAGE FUNCTIONS                                  ****/
+/**********************************************************************/
+extern void
+fxt1_decode_1 (const void *texture, int width,
+               int i, int j, unsigned char *rgba);
+
+/* Texel-fetch functions for software texturing and glGetTexImage().
+ * We should have been able to use some "standard" fetch functions (which
+ * may get defined in texutil.c) but we have to account for scaled texture
+ * images on tdfx hardware (the 8:1 aspect ratio limit).
+ * Hence, we need special functions here.
+ */
+
+static void
+fetch_intensity8(const struct gl_texture_image *texImage,
+		 GLint i, GLint j, GLint k, GLchan *rgba)
+{
+   const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+   const GLubyte *texel;
+
+   i = i * mml->wScale;
+   j = j * mml->hScale;
+
+   texel = ((GLubyte *) texImage->Data) + j * mml->width + i;
+   rgba[RCOMP] = *texel;
+   rgba[GCOMP] = *texel;
+   rgba[BCOMP] = *texel;
+   rgba[ACOMP] = *texel;
+}
+
+
+static void
+fetch_luminance8(const struct gl_texture_image *texImage,
+		 GLint i, GLint j, GLint k, GLchan *rgba)
+{
+   const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+   const GLubyte *texel;
+
+   i = i * mml->wScale;
+   j = j * mml->hScale;
+
+   texel = ((GLubyte *) texImage->Data) + j * mml->width + i;
+   rgba[RCOMP] = *texel;
+   rgba[GCOMP] = *texel;
+   rgba[BCOMP] = *texel;
+   rgba[ACOMP] = 255;
+}
+
+
+static void
+fetch_alpha8(const struct gl_texture_image *texImage,
+	     GLint i, GLint j, GLint k, GLchan *rgba)
+{
+   const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+   const GLubyte *texel;
+
+   i = i * mml->wScale;
+   j = j * mml->hScale;
+
+   texel = ((GLubyte *) texImage->Data) + j * mml->width + i;
+   rgba[RCOMP] = 255;
+   rgba[GCOMP] = 255;
+   rgba[BCOMP] = 255;
+   rgba[ACOMP] = *texel;
+}
+
+
+static void
+fetch_index8(const struct gl_texture_image *texImage,
+	     GLint i, GLint j, GLint k, GLchan *indexOut)
+{
+   const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+   const GLubyte *texel;
+
+   i = i * mml->wScale;
+   j = j * mml->hScale;
+
+   texel = ((GLubyte *) texImage->Data) + j * mml->width + i;
+   *indexOut = *texel;
+}
+
+
+static void
+fetch_luminance8_alpha8(const struct gl_texture_image *texImage,
+			GLint i, GLint j, GLint k, GLchan *rgba)
+{
+   const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+   const GLubyte *texel;
+
+   i = i * mml->wScale;
+   j = j * mml->hScale;
+
+   texel = ((GLubyte *) texImage->Data) + (j * mml->width + i) * 2;
+   rgba[RCOMP] = texel[0];
+   rgba[GCOMP] = texel[0];
+   rgba[BCOMP] = texel[0];
+   rgba[ACOMP] = texel[1];
+}
+
+
+static void
+fetch_r5g6b5(const struct gl_texture_image *texImage,
+	     GLint i, GLint j, GLint k, GLchan *rgba)
+{
+   const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+   const GLushort *texel;
+
+   i = i * mml->wScale;
+   j = j * mml->hScale;
+
+   texel = ((GLushort *) texImage->Data) + j * mml->width + i;
+   rgba[RCOMP] = FX_rgb_scale_5[(*texel >> 11) & 0x1F];
+   rgba[GCOMP] = FX_rgb_scale_6[(*texel >>  5) & 0x3F];
+   rgba[BCOMP] = FX_rgb_scale_5[ *texel        & 0x1F];
+   rgba[ACOMP] = 255;
+}
+
+
+static void
+fetch_r4g4b4a4(const struct gl_texture_image *texImage,
+	       GLint i, GLint j, GLint k, GLchan *rgba)
+{
+   const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+   const GLushort *texel;
+
+   i = i * mml->wScale;
+   j = j * mml->hScale;
+
+   texel = ((GLushort *) texImage->Data) + j * mml->width + i;
+   rgba[RCOMP] = FX_rgb_scale_4[(*texel >>  8) & 0xF];
+   rgba[GCOMP] = FX_rgb_scale_4[(*texel >>  4) & 0xF];
+   rgba[BCOMP] = FX_rgb_scale_4[ *texel        & 0xF];
+   rgba[ACOMP] = FX_rgb_scale_4[(*texel >> 12) & 0xF];
+}
+
+
+static void
+fetch_r5g5b5a1(const struct gl_texture_image *texImage,
+	       GLint i, GLint j, GLint k, GLchan *rgba)
+{
+   const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+   const GLushort *texel;
+
+   i = i * mml->wScale;
+   j = j * mml->hScale;
+
+   texel = ((GLushort *) texImage->Data) + j * mml->width + i;
+   rgba[RCOMP] = FX_rgb_scale_5[(*texel >> 10) & 0x1F];
+   rgba[GCOMP] = FX_rgb_scale_5[(*texel >>  5) & 0x1F];
+   rgba[BCOMP] = FX_rgb_scale_5[ *texel        & 0x1F];
+   rgba[ACOMP] = (*texel >> 15) * 255;
+}
+
+
+static void
+fetch_a8r8g8b8(const struct gl_texture_image *texImage,
+	       GLint i, GLint j, GLint k, GLchan *rgba)
+{
+    const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+    const GLuint *texel;
+
+    i = i * mml->wScale;
+    j = j * mml->hScale;
+
+    texel = ((GLuint *) texImage->Data) + j * mml->width + i;
+    rgba[RCOMP] = (((*texel) >> 16) & 0xff);
+    rgba[GCOMP] = (((*texel) >>  8) & 0xff);
+    rgba[BCOMP] = (((*texel)      ) & 0xff);
+    rgba[ACOMP] = (((*texel) >> 24) & 0xff);
+}
+
+
+static void
+fetch_rgb_fxt1(const struct gl_texture_image *texImage,
+	       GLint i, GLint j, GLint k, GLchan *rgba)
+{
+    const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+
+    i = i * mml->wScale;
+    j = j * mml->hScale;
+
+    fxt1_decode_1(texImage->Data, mml->width, i, j, rgba);
+    rgba[ACOMP] = 255;
+}
+
+
+static void
+fetch_rgba_fxt1(const struct gl_texture_image *texImage,
+		GLint i, GLint j, GLint k, GLchan *rgba)
+{
+    const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+
+    i = i * mml->wScale;
+    j = j * mml->hScale;
+
+    fxt1_decode_1(texImage->Data, mml->width, i, j, rgba);
+}
+
+
+static void
+fetch_rgb_dxt1(const struct gl_texture_image *texImage,
+	       GLint i, GLint j, GLint k, GLchan *rgba)
+{
+    const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+
+    i = i * mml->wScale;
+    j = j * mml->hScale;
+
+    _mesa_texformat_rgb_dxt1.FetchTexel2D(texImage, i, j, k, rgba);
+}
+
+
+static void
+fetch_rgba_dxt1(const struct gl_texture_image *texImage,
+		GLint i, GLint j, GLint k, GLchan *rgba)
+{
+    const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+
+    i = i * mml->wScale;
+    j = j * mml->hScale;
+
+    _mesa_texformat_rgba_dxt1.FetchTexel2D(texImage, i, j, k, rgba);
+}
+
+
+static void
+fetch_rgba_dxt3(const struct gl_texture_image *texImage,
+		GLint i, GLint j, GLint k, GLchan *rgba)
+{
+    const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+
+    i = i * mml->wScale;
+    j = j * mml->hScale;
+
+    _mesa_texformat_rgba_dxt3.FetchTexel2D(texImage, i, j, k, rgba);
+}
+
+
+static void
+fetch_rgba_dxt5(const struct gl_texture_image *texImage,
+		GLint i, GLint j, GLint k, GLchan *rgba)
+{
+    const tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
+
+    i = i * mml->wScale;
+    j = j * mml->hScale;
+
+    _mesa_texformat_rgba_dxt5.FetchTexel2D(texImage, i, j, k, rgba);
+}
+
+
+#if 0 /* break glass in case of emergency */
+static void
+PrintTexture(int w, int h, int c, const GLubyte * data)
+{
+   int i, j;
+   for (i = 0; i < h; i++) {
+      for (j = 0; j < w; j++) {
+	 if (c == 2)
+	    fprintf(stderr, "%02x %02x  ", data[0], data[1]);
+	 else if (c == 3)
+	    fprintf(stderr, "%02x %02x %02x  ", data[0], data[1], data[2]);
+	 data += c;
+      }
+      fprintf(stderr, "\n");
+   }
+}
+#endif
+
+
+const struct gl_texture_format *
+fxDDChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
+                         GLenum srcFormat, GLenum srcType )
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+   GLboolean allow32bpt = fxMesa->HaveTexFmt;
+
+   if (TDFX_DEBUG & VERBOSE_TEXTURE) {
+      fprintf(stderr, "fxDDChooseTextureFormat(...)\n");
+   }
+
+   switch (internalFormat) {
+   case GL_COMPRESSED_RGB:
+     /* intentional fall through */
+   case 3:
+   case GL_RGB:
+     if ( srcFormat == GL_RGB && srcType == GL_UNSIGNED_SHORT_5_6_5 ) {
+       return &_mesa_texformat_rgb565;
+     }
+     /* intentional fall through */
+   case GL_RGB8:
+   case GL_RGB10:
+   case GL_RGB12:
+   case GL_RGB16:
+      return (allow32bpt) ? &_mesa_texformat_argb8888
+                          : &_mesa_texformat_rgb565;
+   case GL_RGBA2:
+   case GL_RGBA4:
+      return &_mesa_texformat_argb4444;
+   case GL_COMPRESSED_RGBA:
+     /* intentional fall through */
+   case 4:
+   case GL_RGBA:
+     if ( srcFormat == GL_BGRA ) {
+       if ( srcType == GL_UNSIGNED_INT_8_8_8_8_REV ) {
+         return &_mesa_texformat_argb8888;
+       }
+       else if ( srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV ) {
+         return &_mesa_texformat_argb4444;
+       }
+       else if ( srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV ) {
+         return &_mesa_texformat_argb1555;
+       }
+     }
+     /* intentional fall through */
+   case GL_RGBA8:
+   case GL_RGB10_A2:
+   case GL_RGBA12:
+   case GL_RGBA16:
+      return (allow32bpt) ? &_mesa_texformat_argb8888
+                          : &_mesa_texformat_argb4444;
+   case GL_INTENSITY:
+   case GL_INTENSITY4:
+   case GL_INTENSITY8:
+   case GL_INTENSITY12:
+   case GL_INTENSITY16:
+   case GL_COMPRESSED_INTENSITY:
+      return &_mesa_texformat_i8;
+   case 1:
+   case GL_LUMINANCE:
+   case GL_LUMINANCE4:
+   case GL_LUMINANCE8:
+   case GL_LUMINANCE12:
+   case GL_LUMINANCE16:
+   case GL_COMPRESSED_LUMINANCE:
+      return &_mesa_texformat_l8;
+   case GL_ALPHA:
+   case GL_ALPHA4:
+   case GL_ALPHA8:
+   case GL_ALPHA12:
+   case GL_ALPHA16:
+   case GL_COMPRESSED_ALPHA:
+      return &_mesa_texformat_a8;
+   case GL_COLOR_INDEX:
+   case GL_COLOR_INDEX1_EXT:
+   case GL_COLOR_INDEX2_EXT:
+   case GL_COLOR_INDEX4_EXT:
+   case GL_COLOR_INDEX8_EXT:
+   case GL_COLOR_INDEX12_EXT:
+   case GL_COLOR_INDEX16_EXT:
+      return &_mesa_texformat_ci8;
+   case 2:
+   case GL_LUMINANCE_ALPHA:
+   case GL_LUMINANCE4_ALPHA4:
+   case GL_LUMINANCE6_ALPHA2:
+   case GL_LUMINANCE8_ALPHA8:
+   case GL_LUMINANCE12_ALPHA4:
+   case GL_LUMINANCE12_ALPHA12:
+   case GL_LUMINANCE16_ALPHA16:
+   case GL_COMPRESSED_LUMINANCE_ALPHA:
+      return &_mesa_texformat_al88;
+   case GL_R3_G3_B2:
+   case GL_RGB4:
+   case GL_RGB5:
+      return &_mesa_texformat_rgb565;
+   case GL_RGB5_A1:
+      return &_mesa_texformat_argb1555;
+   /* GL_EXT_texture_compression_s3tc */
+   /* GL_S3_s3tc */
+   case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+   case GL_RGB_S3TC:
+   case GL_RGB4_S3TC:
+      return &_mesa_texformat_rgb_dxt1;
+   case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+      return &_mesa_texformat_rgba_dxt1;
+   case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+   case GL_RGBA_S3TC:
+   case GL_RGBA4_S3TC:
+      return &_mesa_texformat_rgba_dxt3;
+   case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+      return &_mesa_texformat_rgba_dxt5;
+   /* GL_3DFX_texture_compression_FXT1 */
+   case GL_COMPRESSED_RGB_FXT1_3DFX:
+      return &_mesa_texformat_rgb_fxt1;
+   case GL_COMPRESSED_RGBA_FXT1_3DFX:
+      return &_mesa_texformat_rgba_fxt1;
+   default:
+      _mesa_problem(NULL, "unexpected format in fxDDChooseTextureFormat");
+      return NULL;
+   }
+}
+
+
+static GrTextureFormat_t
+fxGlideFormat(GLint mesaFormat)
+{
+   switch (mesaFormat) {
+   case MESA_FORMAT_I8:
+      return GR_TEXFMT_ALPHA_8;
+   case MESA_FORMAT_A8:
+      return GR_TEXFMT_ALPHA_8;
+   case MESA_FORMAT_L8:
+      return GR_TEXFMT_INTENSITY_8;
+   case MESA_FORMAT_CI8:
+      return GR_TEXFMT_P_8;
+   case MESA_FORMAT_AL88:
+      return GR_TEXFMT_ALPHA_INTENSITY_88;
+   case MESA_FORMAT_RGB565:
+      return GR_TEXFMT_RGB_565;
+   case MESA_FORMAT_ARGB4444:
+      return GR_TEXFMT_ARGB_4444;
+   case MESA_FORMAT_ARGB1555:
+      return GR_TEXFMT_ARGB_1555;
+   case MESA_FORMAT_ARGB8888:
+      return GR_TEXFMT_ARGB_8888;
+   case MESA_FORMAT_RGB_FXT1:
+   case MESA_FORMAT_RGBA_FXT1:
+     return GR_TEXFMT_ARGB_CMP_FXT1;
+   case MESA_FORMAT_RGB_DXT1:
+   case MESA_FORMAT_RGBA_DXT1:
+     return GR_TEXFMT_ARGB_CMP_DXT1;
+   case MESA_FORMAT_RGBA_DXT3:
+     return GR_TEXFMT_ARGB_CMP_DXT3;
+   case MESA_FORMAT_RGBA_DXT5:
+     return GR_TEXFMT_ARGB_CMP_DXT5;
+   default:
+      _mesa_problem(NULL, "Unexpected format in fxGlideFormat");
+      return 0;
+   }
+}
+
+
+static FetchTexelFuncC
+fxFetchFunction(GLint mesaFormat)
+{
+   switch (mesaFormat) {
+   case MESA_FORMAT_I8:
+      return &fetch_intensity8;
+   case MESA_FORMAT_A8:
+      return &fetch_alpha8;
+   case MESA_FORMAT_L8:
+      return &fetch_luminance8;
+   case MESA_FORMAT_CI8:
+      return &fetch_index8;
+   case MESA_FORMAT_AL88:
+      return &fetch_luminance8_alpha8;
+   case MESA_FORMAT_RGB565:
+      return &fetch_r5g6b5;
+   case MESA_FORMAT_ARGB4444:
+      return &fetch_r4g4b4a4;
+   case MESA_FORMAT_ARGB1555:
+      return &fetch_r5g5b5a1;
+   case MESA_FORMAT_ARGB8888:
+      return &fetch_a8r8g8b8;
+   case MESA_FORMAT_RGB_FXT1:
+      return &fetch_rgb_fxt1;
+   case MESA_FORMAT_RGBA_FXT1:
+      return &fetch_rgba_fxt1;
+   case MESA_FORMAT_RGB_DXT1:
+      return &fetch_rgb_dxt1;
+   case MESA_FORMAT_RGBA_DXT1:
+      return &fetch_rgba_dxt1;
+   case MESA_FORMAT_RGBA_DXT3:
+      return &fetch_rgba_dxt3;
+   case MESA_FORMAT_RGBA_DXT5:
+      return &fetch_rgba_dxt5;
+   default:
+      _mesa_problem(NULL, "Unexpected format in fxFetchFunction");
+      return NULL;
+   }
+}
+
+
+static GLboolean
+adjust2DRatio (GLcontext *ctx,
+	       GLint xoffset, GLint yoffset,
+	       GLint width, GLint height,
+	       GLenum format, GLenum type, const GLvoid *pixels,
+	       const struct gl_pixelstore_attrib *packing,
+	       tfxMipMapLevel *mml,
+	       struct gl_texture_image *texImage,
+	       GLint texelBytes,
+	       GLint dstRowStride)
+{
+   const GLint newWidth = width * mml->wScale;
+   const GLint newHeight = height * mml->hScale;
+   GLvoid *tempImage;
+
+   if (!texImage->IsCompressed) {
+      GLubyte *destAddr;
+      tempImage = MALLOC(width * height * texelBytes);
+      if (!tempImage) {
+         return GL_FALSE;
+      }
+
+      texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
+                                      texImage->TexFormat, tempImage,
+                                      0, 0, 0, /* dstX/Y/Zoffset */
+                                      width * texelBytes, /* dstRowStride */
+                                      0, /* dstImageStride */
+                                      width, height, 1,
+                                      format, type, pixels, packing);
+
+      /* now rescale */
+      /* compute address of dest subimage within the overal tex image */
+      destAddr = (GLubyte *) texImage->Data
+         + (yoffset * mml->hScale * mml->width
+            + xoffset * mml->wScale) * texelBytes;
+
+      _mesa_rescale_teximage2d(texelBytes,
+                               width,
+                               dstRowStride, /* dst stride */
+                               width, height,
+                               newWidth, newHeight,
+                               tempImage, destAddr);
+   } else {
+      const GLint rawBytes = 4;
+      GLvoid *rawImage = MALLOC(width * height * rawBytes);
+      if (!rawImage) {
+         return GL_FALSE;
+      }
+      tempImage = MALLOC(newWidth * newHeight * rawBytes);
+      if (!tempImage) {
+         return GL_FALSE;
+      }
+      /* unpack image, apply transfer ops and store in rawImage */
+      _mesa_texstore_rgba8888(ctx, 2, GL_RGBA,
+                              &_mesa_texformat_rgba8888_rev, rawImage,
+                              0, 0, 0, /* dstX/Y/Zoffset */
+                              width * rawBytes, /* dstRowStride */
+                              0, /* dstImageStride */
+                              width, height, 1,
+                              format, type, pixels, packing);
+      _mesa_rescale_teximage2d(rawBytes,
+                               width,
+                               newWidth * rawBytes, /* dst stride */
+                               width, height, /* src */
+                               newWidth, newHeight, /* dst */
+                               rawImage /*src*/, tempImage /*dst*/ );
+      texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
+                                      texImage->TexFormat, texImage->Data,
+                                      xoffset * mml->wScale, yoffset * mml->hScale, 0, /* dstX/Y/Zoffset */
+                                      dstRowStride,
+                                      0, /* dstImageStride */
+                                      newWidth, newHeight, 1,
+                                      GL_RGBA, CHAN_TYPE, tempImage, &ctx->DefaultPacking);
+      FREE(rawImage);
+   }
+
+   FREE(tempImage);
+
+   return GL_TRUE;
+}
+
+
+void
+fxDDTexImage2D(GLcontext * ctx, GLenum target, GLint level,
+	       GLint internalFormat, GLint width, GLint height, GLint border,
+	       GLenum format, GLenum type, const GLvoid * pixels,
+	       const struct gl_pixelstore_attrib *packing,
+	       struct gl_texture_object *texObj,
+	       struct gl_texture_image *texImage)
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+   tfxTexInfo *ti;
+   tfxMipMapLevel *mml;
+   GLint texelBytes, dstRowStride;
+
+   if (TDFX_DEBUG & VERBOSE_TEXTURE) {
+       fprintf(stderr, "fxDDTexImage2D: id=%d int 0x%x  format 0x%x  type 0x%x  %dx%d\n",
+                       texObj->Name, texImage->IntFormat, format, type,
+                       texImage->Width, texImage->Height);
+   }
+
+   if (!fxIsTexSupported(target, internalFormat, texImage)) {
+      _mesa_problem(NULL, "fx Driver: unsupported texture in fxDDTexImg()\n");
+      return;
+   }
+
+   if (!texObj->DriverData) {
+      texObj->DriverData = fxAllocTexObjData(fxMesa);
+      if (!texObj->DriverData) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+         return;
+      }
+   }
+   ti = fxTMGetTexInfo(texObj);
+
+   if (!texImage->DriverData) {
+      texImage->DriverData = CALLOC(sizeof(tfxMipMapLevel));
+      if (!texImage->DriverData) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+         return;
+      }
+   }
+   mml = FX_MIPMAP_DATA(texImage);
+
+   fxTexGetInfo(width, height, NULL, NULL, NULL, NULL,
+		&mml->wScale, &mml->hScale);
+
+   mml->width = width * mml->wScale;
+   mml->height = height * mml->hScale;
+
+#if FX_COMPRESS_S3TC_AS_FXT1_HACK
+   /* [koolsmoky] substitute FXT1 for DXTn and Legacy S3TC */
+   if (!ctx->Mesa_DXTn && texImage->IsCompressed) {
+     switch (internalFormat) {
+     case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+     case GL_RGB_S3TC:
+     case GL_RGB4_S3TC:
+       internalFormat = GL_COMPRESSED_RGB_FXT1_3DFX;
+       break;
+     case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+     case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+     case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+     case GL_RGBA_S3TC:
+     case GL_RGBA4_S3TC:
+       internalFormat = GL_COMPRESSED_RGBA_FXT1_3DFX;
+     }
+     texImage->IntFormat = internalFormat;
+   }
+#endif
+#if FX_TC_NAPALM
+   if (fxMesa->type >= GR_SSTTYPE_Voodoo4) {
+      GLenum texNapalm = 0;
+      if (internalFormat == GL_COMPRESSED_RGB) {
+         texNapalm = GL_COMPRESSED_RGB_FXT1_3DFX;
+      } else if (internalFormat == GL_COMPRESSED_RGBA) {
+         texNapalm = GL_COMPRESSED_RGBA_FXT1_3DFX;
+      }
+      if (texNapalm) {
+         texImage->IntFormat = internalFormat = texNapalm;
+         texImage->IsCompressed = GL_TRUE;
+      }
+   }
+#endif
+
+   /* choose the texture format */
+   assert(ctx->Driver.ChooseTextureFormat);
+   texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
+                                          internalFormat, format, type);
+   assert(texImage->TexFormat);
+   texelBytes = texImage->TexFormat->TexelBytes;
+   /*if (!fxMesa->HaveTexFmt) assert(texelBytes == 1 || texelBytes == 2);*/
+
+   mml->glideFormat = fxGlideFormat(texImage->TexFormat->MesaFormat);
+
+   /* allocate mipmap buffer */
+   assert(!texImage->Data);
+   if (texImage->IsCompressed) {
+      texImage->CompressedSize = _mesa_compressed_texture_size(ctx,
+                                                               mml->width,
+                                                               mml->height,
+                                                               1,
+                                                               internalFormat);
+      dstRowStride = _mesa_compressed_row_stride(internalFormat, mml->width);
+      texImage->Data = _mesa_malloc(texImage->CompressedSize);
+   } else {
+      dstRowStride = mml->width * texelBytes;
+      texImage->Data = _mesa_malloc(mml->width * mml->height * texelBytes);
+   }
+   if (!texImage->Data) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+      return;
+   }
+
+   if (pixels != NULL) {
+      if (mml->wScale != 1 || mml->hScale != 1) {
+         /* rescale image to overcome 1:8 aspect limitation */
+         if (!adjust2DRatio(ctx,
+			    0, 0,
+			    width, height,
+			    format, type, pixels,
+			    packing,
+			    mml,
+			    texImage,
+			    texelBytes,
+			    dstRowStride)
+            ) {
+            _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+            return;
+         }
+      }
+      else {
+         /* no rescaling needed */
+         /* unpack image, apply transfer ops and store in texImage->Data */
+         texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
+                                         texImage->TexFormat, texImage->Data,
+                                         0, 0, 0, /* dstX/Y/Zoffset */
+                                         dstRowStride,
+                                         0, /* dstImageStride */
+                                         width, height, 1,
+                                         format, type, pixels, packing);
+      }
+
+      /* GL_SGIS_generate_mipmap */
+      if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
+         GLint mipWidth, mipHeight;
+         tfxMipMapLevel *mip;
+         struct gl_texture_image *mipImage;
+         const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+         const GLint maxLevels = _mesa_max_texture_levels(ctx, texObj->Target);
+
+         assert(!texImage->IsCompressed);
+
+         while (level < texObj->MaxLevel && level < maxLevels - 1) {
+            mipWidth = width / 2;
+            if (!mipWidth) {
+               mipWidth = 1;
+            }
+            mipHeight = height / 2;
+            if (!mipHeight) {
+               mipHeight = 1;
+            }
+            if ((mipWidth == width) && (mipHeight == height)) {
+               break;
+            }
+            _mesa_TexImage2D(target, ++level, internalFormat,
+                             mipWidth, mipHeight, border,
+                             format, type,
+                             NULL);
+            mipImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+            mip = FX_MIPMAP_DATA(mipImage);
+            _mesa_halve2x2_teximage2d(ctx,
+                                      texImage,
+                                      texelBytes,
+                                      mml->width, mml->height,
+                                      texImage->Data, mipImage->Data);
+            texImage = mipImage;
+            mml = mip;
+            width = mipWidth;
+            height = mipHeight;
+         }
+      }
+   }
+
+   ti->info.format = mml->glideFormat;
+   texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat);
+
+   fxTexInvalidate(ctx, texObj);
+}
+
+
+void
+fxDDTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
+		  GLint xoffset, GLint yoffset,
+		  GLsizei width, GLsizei height,
+		  GLenum format, GLenum type, const GLvoid * pixels,
+		  const struct gl_pixelstore_attrib *packing,
+		  struct gl_texture_object *texObj,
+		  struct gl_texture_image *texImage)
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+   tfxTexInfo *ti;
+   tfxMipMapLevel *mml;
+   GLint texelBytes, dstRowStride;
+
+   if (TDFX_DEBUG & VERBOSE_TEXTURE) {
+       fprintf(stderr, "fxDDTexSubImage2D: id=%d\n", texObj->Name);
+   }
+
+   if (!texObj->DriverData) {
+      _mesa_problem(ctx, "problem in fxDDTexSubImage2D");
+      return;
+   }
+
+   ti = fxTMGetTexInfo(texObj);
+   assert(ti);
+   mml = FX_MIPMAP_DATA(texImage);
+   assert(mml);
+
+   assert(texImage->Data);	/* must have an existing texture image! */
+   assert(texImage->Format);
+
+   texelBytes = texImage->TexFormat->TexelBytes;
+   if (texImage->IsCompressed) {
+      dstRowStride = _mesa_compressed_row_stride(texImage->IntFormat, mml->width);
+   } else {
+      dstRowStride = mml->width * texelBytes;
+   }
+
+   if (mml->wScale != 1 || mml->hScale != 1) {
+      /* need to rescale subimage to match mipmap level's rescale factors */
+      if (!adjust2DRatio(ctx,
+			 xoffset, yoffset,
+			 width, height,
+			 format, type, pixels,
+			 packing,
+			 mml,
+			 texImage,
+			 texelBytes,
+			 dstRowStride)
+         ) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
+         return;
+      }
+   }
+   else {
+      /* no rescaling needed */
+      texImage->TexFormat->StoreImage(ctx, 2, texImage->Format,
+                                      texImage->TexFormat, (GLubyte *) texImage->Data,
+                                      xoffset, yoffset, 0, /* dstX/Y/Zoffset */
+                                      dstRowStride,
+                                      0, /* dstImageStride */
+                                      width, height, 1,
+                                      format, type, pixels, packing);
+   }
+
+   /* GL_SGIS_generate_mipmap */
+   if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
+      GLint mipWidth, mipHeight;
+      tfxMipMapLevel *mip;
+      struct gl_texture_image *mipImage;
+      const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+      const GLint maxLevels = _mesa_max_texture_levels(ctx, texObj->Target);
+
+      assert(!texImage->IsCompressed);
+
+      width = texImage->Width;
+      height = texImage->Height;
+      while (level < texObj->MaxLevel && level < maxLevels - 1) {
+         mipWidth = width / 2;
+         if (!mipWidth) {
+            mipWidth = 1;
+         }
+         mipHeight = height / 2;
+         if (!mipHeight) {
+            mipHeight = 1;
+         }
+         if ((mipWidth == width) && (mipHeight == height)) {
+            break;
+         }
+         ++level;
+         mipImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+         mip = FX_MIPMAP_DATA(mipImage);
+         _mesa_halve2x2_teximage2d(ctx,
+                                   texImage,
+                                   texelBytes,
+                                   mml->width, mml->height,
+                                   texImage->Data, mipImage->Data);
+         texImage = mipImage;
+         mml = mip;
+         width = mipWidth;
+         height = mipHeight;
+      }
+   }
+
+   if (ti->validated && ti->isInTM && !texObj->GenerateMipmap)
+      fxTMReloadMipMapLevel(fxMesa, texObj, level);
+   else
+      fxTexInvalidate(ctx, texObj);
+}
+
+
+void
+fxDDCompressedTexImage2D (GLcontext *ctx, GLenum target,
+                          GLint level, GLint internalFormat,
+                          GLsizei width, GLsizei height, GLint border,
+                          GLsizei imageSize, const GLvoid *data,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage)
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+   tfxTexInfo *ti;
+   tfxMipMapLevel *mml;
+
+   if (TDFX_DEBUG & VERBOSE_TEXTURE) {
+       fprintf(stderr, "fxDDCompressedTexImage2D: id=%d int 0x%x  %dx%d\n",
+                       texObj->Name, internalFormat,
+                       width, height);
+   }
+
+   assert(texImage->IsCompressed);
+
+   if (!fxIsTexSupported(target, internalFormat, texImage)) {
+      _mesa_problem(NULL, "fx Driver: unsupported texture in fxDDCompressedTexImg()\n");
+      return;
+   }
+
+   if (!texObj->DriverData) {
+      texObj->DriverData = fxAllocTexObjData(fxMesa);
+      if (!texObj->DriverData) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
+         return;
+      }
+   }
+   ti = fxTMGetTexInfo(texObj);
+
+   if (!texImage->DriverData) {
+      texImage->DriverData = CALLOC(sizeof(tfxMipMapLevel));
+      if (!texImage->DriverData) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
+         return;
+      }
+   }
+   mml = FX_MIPMAP_DATA(texImage);
+
+   fxTexGetInfo(width, height, NULL, NULL, NULL, NULL,
+		&mml->wScale, &mml->hScale);
+
+   mml->width = width * mml->wScale;
+   mml->height = height * mml->hScale;
+
+
+   /* choose the texture format */
+   assert(ctx->Driver.ChooseTextureFormat);
+   texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
+                                          internalFormat, -1/*format*/, -1/*type*/);
+   assert(texImage->TexFormat);
+
+   /* Determine the appropriate Glide texel format,
+    * given the user's internal texture format hint.
+    */
+   mml->glideFormat = fxGlideFormat(texImage->TexFormat->MesaFormat);
+
+   /* allocate new storage for texture image, if needed */
+   if (!texImage->Data) {
+      texImage->CompressedSize = _mesa_compressed_texture_size(ctx,
+                                                               mml->width,
+                                                               mml->height,
+                                                               1,
+                                                               internalFormat);
+      texImage->Data = _mesa_malloc(texImage->CompressedSize);
+      if (!texImage->Data) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
+         return;
+      }
+   }
+
+   /* save the texture data */
+   if (mml->wScale != 1 || mml->hScale != 1) {
+      /* [dBorca] Hack alert:
+       * now we're screwed. We can't decompress,
+       * unless we do it in HW (via textureBuffer).
+       * We still have some chances:
+       * 1) we got FXT1 textures - we CAN decompress, rescale for
+       *    aspectratio, then compress back.
+       * 2) there is a chance that MIN("s", "t") won't be overflowed.
+       *    Thus, we don't care about textureclamp and we could lower
+       *    MIN("uscale", "vscale") below 32. We still have to have
+       *    our data aligned inside a 8:1 rectangle.
+       * 3) just in case if MIN("s", "t") gets overflowed with GL_REPEAT,
+       *    we replicate the data over the padded area.
+       * For now, we take 2) + 3) but texelfetchers will be wrong!
+       */
+      GLuint srcRowStride = _mesa_compressed_row_stride(internalFormat, width);
+
+      GLuint destRowStride = _mesa_compressed_row_stride(internalFormat,
+                                                  mml->width);
+
+      _mesa_upscale_teximage2d(srcRowStride, (height+3) / 4,
+                               destRowStride, (mml->height+3) / 4,
+                               1, data, srcRowStride,
+                               texImage->Data);
+      ti->padded = GL_TRUE;
+   } else {
+      MEMCPY(texImage->Data, data, texImage->CompressedSize);
+   }
+
+   ti->info.format = mml->glideFormat;
+   texImage->FetchTexelc = fxFetchFunction(texImage->TexFormat->MesaFormat);
+
+   /* GL_SGIS_generate_mipmap */
+   if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
+      assert(!texImage->IsCompressed);
+   }
+
+   fxTexInvalidate(ctx, texObj);
+}
+
+
+void
+fxDDCompressedTexSubImage2D( GLcontext *ctx, GLenum target,
+                             GLint level, GLint xoffset,
+                             GLint yoffset, GLsizei width,
+                             GLint height, GLenum format,
+                             GLsizei imageSize, const GLvoid *data,
+                             struct gl_texture_object *texObj,
+                             struct gl_texture_image *texImage )
+{
+   fxMesaContext fxMesa = FX_CONTEXT(ctx);
+   tfxTexInfo *ti;
+   tfxMipMapLevel *mml;
+   GLint destRowStride, srcRowStride;
+   GLint i, rows;
+   GLubyte *dest;
+
+   if (TDFX_DEBUG & VERBOSE_TEXTURE) {
+       fprintf(stderr, "fxDDCompressedTexSubImage2D: id=%d\n", texObj->Name);
+   }
+
+   ti = fxTMGetTexInfo(texObj);
+   assert(ti);
+   mml = FX_MIPMAP_DATA(texImage);
+   assert(mml);
+
+   srcRowStride = _mesa_compressed_row_stride(texImage->IntFormat, width);
+
+   destRowStride = _mesa_compressed_row_stride(texImage->IntFormat,
+                                               mml->width);
+   dest = _mesa_compressed_image_address(xoffset, yoffset, 0,
+                                         texImage->IntFormat,
+                                         mml->width,
+                              (GLubyte*) texImage->Data);
+
+   rows = height / 4; /* hardcoded 4, but works for FXT1/DXTC */
+
+   for (i = 0; i < rows; i++) {
+      MEMCPY(dest, data, srcRowStride);
+      dest += destRowStride;
+      data = (GLvoid *)((GLuint)data + (GLuint)srcRowStride);
+   }
+
+   /* [dBorca] Hack alert:
+    * see fxDDCompressedTexImage2D for caveats
+    */
+   if (mml->wScale != 1 || mml->hScale != 1) {
+      srcRowStride = _mesa_compressed_row_stride(texImage->IntFormat, texImage->Width);
+
+      destRowStride = _mesa_compressed_row_stride(texImage->IntFormat,
+                                               mml->width);
+      _mesa_upscale_teximage2d(srcRowStride, texImage->Height / 4,
+                               destRowStride, mml->height / 4,
+                               1, texImage->Data, destRowStride,
+                               texImage->Data);
+   }
+
+   /* GL_SGIS_generate_mipmap */
+   if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
+      assert(!texImage->IsCompressed);
+   }
+
+   if (ti->validated && ti->isInTM)
+      fxTMReloadMipMapLevel(fxMesa, texObj, level);
+   else
+      fxTexInvalidate(ctx, texObj);
+}
+
+
+void
+fxDDTexImage1D (GLcontext *ctx, GLenum target, GLint level,
+	        GLint internalFormat, GLint width, GLint border,
+	        GLenum format, GLenum type, const GLvoid *pixels,
+	        const struct gl_pixelstore_attrib *packing,
+	        struct gl_texture_object *texObj,
+	        struct gl_texture_image *texImage)
+{
+ fxDDTexImage2D(ctx, target, level,
+	        internalFormat, width, 1, border,
+	        format, type, pixels,
+	        packing,
+	        texObj,
+	        texImage);
+}
+
+
+void
+fxDDTexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
+		  GLint xoffset,
+		  GLsizei width,
+		  GLenum format, GLenum type, const GLvoid * pixels,
+		  const struct gl_pixelstore_attrib *packing,
+		  struct gl_texture_object *texObj,
+		  struct gl_texture_image *texImage)
+{
+ fxDDTexSubImage2D(ctx, target, level,
+		   xoffset, 0, width, 1,
+		   format, type, pixels,
+		   packing,
+		   texObj,
+		   texImage);
+}
+
+
+GLboolean
+fxDDTestProxyTexImage (GLcontext *ctx, GLenum target,
+                       GLint level, GLint internalFormat,
+                       GLenum format, GLenum type,
+                       GLint width, GLint height,
+                       GLint depth, GLint border)
+{
+ /* XXX todo - maybe through fxTexValidate() */
+ return _mesa_test_proxy_teximage(ctx, target,
+                                  level, internalFormat,
+                                  format, type,
+                                  width, height,
+                                  depth, border);
+}
+
+
+#else /* FX */
+
+/*
+ * Need this to provide at least one external definition.
+ */
+
+extern int gl_fx_dummy_function_ddtex(void);
+int
+gl_fx_dummy_function_ddtex(void)
+{
+   return 0;
+}
+
+#endif /* FX */