Drop glide driver

1 files changed, 0 insertions, 2197 deletions

diff --git a/src/mesa/drivers/glide/fxdd.c b/src/mesa/drivers/glide/fxdd.c
deleted file mode 100644
index b78b101240e..00000000000
--- a/src/mesa/drivers/glide/fxdd.c
+++ /dev/null
@@ -1,2197 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version:  5.1
- *
- * Copyright (C) 1999-2003  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
- */
-
-/* fxdd.c - 3Dfx VooDoo Mesa device driver functions */
-
-
-#ifdef HAVE_CONFIG_H
-#include "conf.h"
-#endif
-
-#if defined(FX)
-
-#include "main/image.h"
-#include "main/mtypes.h"
-#include "fxdrv.h"
-#include "main/buffers.h"
-#include "main/enums.h"
-#include "main/extensions.h"
-#include "main/macros.h"
-#include "main/texstore.h"
-#include "main/teximage.h"
-#include "swrast/swrast.h"
-#include "swrast/s_context.h"
-#include "swrast_setup/swrast_setup.h"
-#include "tnl/tnl.h"
-#include "tnl/t_context.h"
-#include "tnl/t_pipeline.h"
-#include "vbo/vbo.h"
-
-
-
-/* lookup table for scaling 4 bit colors up to 8 bits */
-GLuint FX_rgb_scale_4[16] = {
-   0,   17,  34,  51,  68,  85,  102, 119,
-   136, 153, 170, 187, 204, 221, 238, 255
-};
-
-/* lookup table for scaling 5 bit colors up to 8 bits */
-GLuint FX_rgb_scale_5[32] = {
-   0,   8,   16,  25,  33,  41,  49,  58,
-   66,  74,  82,  90,  99,  107, 115, 123,
-   132, 140, 148, 156, 165, 173, 181, 189,
-   197, 206, 214, 222, 230, 239, 247, 255
-};
-
-/* lookup table for scaling 6 bit colors up to 8 bits */
-GLuint FX_rgb_scale_6[64] = {
-   0,   4,   8,   12,  16,  20,  24,  28,
-   32,  36,  40,  45,  49,  53,  57,  61,
-   65,  69,  73,  77,  81,  85,  89,  93,
-   97,  101, 105, 109, 113, 117, 121, 125,
-   130, 134, 138, 142, 146, 150, 154, 158,
-   162, 166, 170, 174, 178, 182, 186, 190,
-   194, 198, 202, 206, 210, 215, 219, 223,
-   227, 231, 235, 239, 243, 247, 251, 255
-};
-
-
-/*
- * Disable color by masking out R, G, B, A
- */
-static void fxDisableColor (fxMesaContext fxMesa)
-{
- if (fxMesa->colDepth == 32) {
-    /* 32bpp mode */
-    fxMesa->Glide.grColorMaskExt(FXFALSE, FXFALSE, FXFALSE, FXFALSE);
- } else {
-    /* 15/16 bpp mode */
-    grColorMask(FXFALSE, FXFALSE);
- }
-}
-
-
-/**********************************************************************/
-/*****                 Miscellaneous functions                    *****/
-/**********************************************************************/
-
-/* Return buffer size information */
-static void
-fxDDGetBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   if (ctx && FX_CONTEXT(ctx)) {
-      fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
-      if (TDFX_DEBUG & VERBOSE_DRIVER) {
-         fprintf(stderr, "fxDDGetBufferSize(...)\n");
-      }
-
-      *width = fxMesa->width;
-      *height = fxMesa->height;
-   }
-}
-
-
-/**
- * We only implement this function as a mechanism to check if the
- * framebuffer size has changed (and update corresponding state).
- */
-static void
-fxDDViewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
-{
-   GLuint newWidth, newHeight;
-   GLframebuffer *buffer = ctx->WinSysDrawBuffer;
-   fxDDGetBufferSize( buffer, &newWidth, &newHeight );
-   if (buffer->Width != newWidth || buffer->Height != newHeight) {
-      _mesa_resize_framebuffer(ctx, buffer, newWidth, newHeight );
-   }
-}
-
-
-/* Implements glClearColor() */
-static void
-fxDDClearColor(GLcontext * ctx, const GLfloat color[4])
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   GLubyte col[4];
-
-   if (TDFX_DEBUG & VERBOSE_DRIVER) {
-      fprintf(stderr, "fxDDClearColor(%f, %f, %f, %f)\n",
-	              color[0], color[1], color[2], color[3]);
-   }
-
-   CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]);
-   CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]);
-   CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]);
-   CLAMPED_FLOAT_TO_UBYTE(col[3], color[3]);
-
-   fxMesa->clearC = FXCOLOR4(col);
-   fxMesa->clearA = col[3];
-}
-
-
-/* Clear the color and/or depth buffers */
-static void fxDDClear( GLcontext *ctx, GLbitfield mask )
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   GLbitfield softwareMask = mask & (BUFFER_BIT_ACCUM);
-   const GLuint stencil_size = fxMesa->haveHwStencil ? ctx->Visual.stencilBits : 0;
-   const FxU32 clearD = (FxU32) (ctx->DrawBuffer->_DepthMaxF * ctx->Depth.Clear);
-   const FxU8 clearS = (FxU8) (ctx->Stencil.Clear & 0xff);
-
-   if ( TDFX_DEBUG & MESA_VERBOSE ) {
-      fprintf( stderr, "fxDDClear\n");
-   }
-
-   /* we can't clear accum buffers nor stereo */
-   mask &= ~(BUFFER_BIT_ACCUM | BUFFER_BIT_FRONT_RIGHT | BUFFER_BIT_BACK_RIGHT);
-
-   /* Need this check to respond to certain HW updates */
-   if (fxMesa->new_state & (FX_NEW_SCISSOR | FX_NEW_COLOR_MASK)) {
-      fxSetupScissor(ctx);
-      fxSetupColorMask(ctx);
-      fxMesa->new_state &= ~(FX_NEW_SCISSOR | FX_NEW_COLOR_MASK);
-   }
-
-   /*
-    * As per GL spec, color masking should be obeyed when clearing
-    */
-   if (ctx->Visual.greenBits != 8) {
-      /* can only do color masking if running in 24/32bpp on Napalm */
-      if (ctx->Color.ColorMask[RCOMP] != ctx->Color.ColorMask[GCOMP] ||
-          ctx->Color.ColorMask[GCOMP] != ctx->Color.ColorMask[BCOMP]) {
-         softwareMask |= (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT));
-         mask &= ~(BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT);
-      }
-   }
-
-   if (fxMesa->haveHwStencil) {
-      /*
-       * If we want to clear stencil, it must be enabled
-       * in the HW, even if the stencil test is not enabled
-       * in the OGL state.
-       */
-      BEGIN_BOARD_LOCK();
-      if (mask & BUFFER_BIT_STENCIL) {
-	 fxMesa->Glide.grStencilMaskExt(fxMesa->unitsState.stencilWriteMask);
-	 /* set stencil ref value = desired clear value */
-	 fxMesa->Glide.grStencilFuncExt(GR_CMP_ALWAYS, clearS, 0xff);
-	 fxMesa->Glide.grStencilOpExt(GR_STENCILOP_REPLACE,
-                                   GR_STENCILOP_REPLACE, GR_STENCILOP_REPLACE);
-	 grEnable(GR_STENCIL_MODE_EXT);
-      }
-      else {
-	 grDisable(GR_STENCIL_MODE_EXT);
-      }
-      END_BOARD_LOCK();
-   } else if (mask & BUFFER_BIT_STENCIL) {
-      softwareMask |= (mask & (BUFFER_BIT_STENCIL));
-      mask &= ~(BUFFER_BIT_STENCIL);
-   }
-
-   /*
-    * This may be ugly, but it's needed in order to work around a number
-    * of Glide bugs.
-    */
-   BEGIN_CLIP_LOOP();
-   {
-      /*
-       * This could probably be done fancier but doing each possible case
-       * explicitly is less error prone.
-       */
-      switch (mask & ~BUFFER_BIT_STENCIL) {
-      case BUFFER_BIT_BACK_LEFT | BUFFER_BIT_DEPTH:
-	 /* back buffer & depth */
-         grDepthMask(FXTRUE);
-	 grRenderBuffer(GR_BUFFER_BACKBUFFER);
-	 if (stencil_size > 0) {
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-         }
-	 else
-            grBufferClear(fxMesa->clearC,
-                          fxMesa->clearA,
-                          clearD);
-	 break;
-      case BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_DEPTH:
-	 /* XXX it appears that the depth buffer isn't cleared when
-	  * glRenderBuffer(GR_BUFFER_FRONTBUFFER) is set.
-	  * This is a work-around/
-	  */
-	 /* clear depth */
-         grDepthMask(FXTRUE);
-         fxDisableColor(fxMesa);
-	 grRenderBuffer(GR_BUFFER_BACKBUFFER);
-	 if (stencil_size > 0)
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-	 else
-            grBufferClear(fxMesa->clearC,
-                          fxMesa->clearA,
-                          clearD);
-	 fxSetupColorMask(ctx);
-	 grDepthMask(FXFALSE);
-	 /* clear front */
-	 grRenderBuffer(GR_BUFFER_FRONTBUFFER);
-	 if (stencil_size > 0)
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-	 else
-            grBufferClear(fxMesa->clearC,
-                          fxMesa->clearA,
-                          clearD);
-	 break;
-      case BUFFER_BIT_BACK_LEFT:
-	 /* back buffer only */
-	 grDepthMask(FXFALSE);
-	 grRenderBuffer(GR_BUFFER_BACKBUFFER);
-	 if (stencil_size > 0)
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-	 else
-            grBufferClear(fxMesa->clearC,
-                          fxMesa->clearA,
-                          clearD);
-	 break;
-      case BUFFER_BIT_FRONT_LEFT:
-	 /* front buffer only */
-	 grDepthMask(FXFALSE);
-	 grRenderBuffer(GR_BUFFER_FRONTBUFFER);
-	 if (stencil_size > 0)
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-	 else
-            grBufferClear(fxMesa->clearC,
-                          fxMesa->clearA,
-                          clearD);
-	 break;
-      case BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT:
-	 /* front and back */
-	 grDepthMask(FXFALSE);
-	 grRenderBuffer(GR_BUFFER_BACKBUFFER);
-	 if (stencil_size > 0)
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-	 else
-            grBufferClear(fxMesa->clearC,
-                          fxMesa->clearA,
-                          clearD);
-	 grRenderBuffer(GR_BUFFER_FRONTBUFFER);
-	 if (stencil_size > 0)
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-	 else
-            grBufferClear(fxMesa->clearC,
-                          fxMesa->clearA,
-                          clearD);
-	 break;
-      case BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT | BUFFER_BIT_DEPTH:
-	 /* clear back and depth */
-         grDepthMask(FXTRUE);
-	 grRenderBuffer(GR_BUFFER_BACKBUFFER);
-         if (stencil_size > 0)
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-	 else
-            grBufferClear(fxMesa->clearC,
-                          fxMesa->clearA,
-                          clearD);
-	 /* clear front */
-	 grDepthMask(FXFALSE);
-	 grRenderBuffer(GR_BUFFER_FRONTBUFFER);
-	 if (stencil_size > 0)
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-	 else
-            grBufferClear(fxMesa->clearC,
-                          fxMesa->clearA,
-                          clearD);
-	 break;
-      case BUFFER_BIT_DEPTH:
-	 /* just the depth buffer */
-         grDepthMask(FXTRUE);
-         fxDisableColor(fxMesa);
-	 grRenderBuffer(GR_BUFFER_BACKBUFFER);
-	 if (stencil_size > 0)
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-	 else
-            grBufferClear(fxMesa->clearC,
-                          fxMesa->clearA,
-                          clearD);
-	 fxSetupColorMask(ctx);
-	 break;
-      default:
-         /* clear no color buffers or depth buffer but might clear stencil */
-	 if ((stencil_size > 0) && (mask & BUFFER_BIT_STENCIL)) {
-            /* XXX need this RenderBuffer call to work around Glide bug */
-            grDepthMask(FXFALSE);
-            grRenderBuffer(GR_BUFFER_BACKBUFFER);
-            fxDisableColor(fxMesa);
-            fxMesa->Glide.grBufferClearExt(fxMesa->clearC,
-                                           fxMesa->clearA,
-                                           clearD, clearS);
-            fxSetupColorMask(ctx);
-         }
-      }
-   }
-   END_CLIP_LOOP();
-
-   if (fxMesa->haveHwStencil) {
-      /* We changed the stencil state above.  Restore it! */
-      fxSetupStencil(ctx);
-   }
-   fxSetupDepthTest(ctx);
-   grRenderBuffer(fxMesa->currentFB);
-
-   if (softwareMask)
-      _swrast_Clear( ctx, softwareMask );
-}
-
-
-/* Set the buffer used for drawing */
-/* XXX support for separate read/draw buffers hasn't been tested */
-/* XXX GL_NONE disables color, but fails to correctly maintain state */
-static void
-fxDDSetDrawBuffer(GLcontext * ctx, GLenum mode)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
-   if (TDFX_DEBUG & VERBOSE_DRIVER) {
-      fprintf(stderr, "fxDDSetDrawBuffer(%x)\n", (int)mode);
-   }
-
-   if (mode == GL_FRONT_LEFT) {
-      fxMesa->currentFB = GR_BUFFER_FRONTBUFFER;
-      grRenderBuffer(fxMesa->currentFB);
-   }
-   else if (mode == GL_BACK_LEFT) {
-      fxMesa->currentFB = GR_BUFFER_BACKBUFFER;
-      grRenderBuffer(fxMesa->currentFB);
-   }
-   else if (mode == GL_NONE) {
-      fxDisableColor(fxMesa);
-   }
-   else {
-      /* we'll need a software fallback */
-      /* XXX not implemented */
-   }
-
-   /* update s/w fallback state */
-   _swrast_DrawBuffer(ctx, mode);
-}
-
-
-static void
-fxDDDrawBitmap2 (GLcontext *ctx, GLint px, GLint py,
-		 GLsizei width, GLsizei height,
-		 const struct gl_pixelstore_attrib *unpack,
-		 const GLubyte *bitmap)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   SWcontext *swrast = SWRAST_CONTEXT(ctx);
-   GrLfbInfo_t info;
-   GrLfbWriteMode_t mode;
-   FxU16 color;
-   const struct gl_pixelstore_attrib *finalUnpack;
-   struct gl_pixelstore_attrib scissoredUnpack;
-
-   /* check if there's any raster operations enabled which we can't handle */
-   if (swrast->_RasterMask & (ALPHATEST_BIT |
-			      /*BLEND_BIT |*/   /* blending ok, through pixpipe */
-			      DEPTH_BIT |       /* could be done with RGB:DEPTH */
-			      FOG_BIT |         /* could be done with RGB:DEPTH */
-			      LOGIC_OP_BIT |
-			      /*CLIP_BIT |*/    /* clipping ok, below */
-			      STENCIL_BIT |
-			      MASKING_BIT |
-			      MULTI_DRAW_BIT |
-			      OCCLUSION_BIT |   /* nope! at least not yet */
-			      TEXTURE_BIT |
-			      FRAGPROG_BIT)) {
-      _swrast_Bitmap(ctx, px, py, width, height, unpack, bitmap);
-      return;
-   }
-
-   /* make sure the pixelpipe is configured correctly */
-   fxSetupFXUnits(ctx);
-
-   /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
-   if (ctx->Scissor.Enabled) {
-      /* This is a bit tricky, but by carefully adjusting the px, py,
-       * width, height, skipPixels and skipRows values we can do
-       * scissoring without special code in the rendering loop.
-       */
-
-      /* we'll construct a new pixelstore struct */
-      finalUnpack = &scissoredUnpack;
-      scissoredUnpack = *unpack;
-      if (scissoredUnpack.RowLength == 0)
-	 scissoredUnpack.RowLength = width;
-
-      /* clip left */
-      if (px < ctx->Scissor.X) {
-	 scissoredUnpack.SkipPixels += (ctx->Scissor.X - px);
-	 width -= (ctx->Scissor.X - px);
-	 px = ctx->Scissor.X;
-      }
-      /* clip right */
-      if (px + width >= ctx->Scissor.X + ctx->Scissor.Width) {
-	 width -= (px + width - (ctx->Scissor.X + ctx->Scissor.Width));
-      }
-      /* clip bottom */
-      if (py < ctx->Scissor.Y) {
-	 scissoredUnpack.SkipRows += (ctx->Scissor.Y - py);
-	 height -= (ctx->Scissor.Y - py);
-	 py = ctx->Scissor.Y;
-      }
-      /* clip top */
-      if (py + height >= ctx->Scissor.Y + ctx->Scissor.Height) {
-	 height -= (py + height - (ctx->Scissor.Y + ctx->Scissor.Height));
-      }
-
-      if (width <= 0 || height <= 0)
-	 return;
-   }
-   else {
-      finalUnpack = unpack;
-   }
-
-   /* compute pixel value */
-   {
-      GLint r = (GLint) (ctx->Current.RasterColor[RCOMP] * 255.0f);
-      GLint g = (GLint) (ctx->Current.RasterColor[GCOMP] * 255.0f);
-      GLint b = (GLint) (ctx->Current.RasterColor[BCOMP] * 255.0f);
-      GLint a = (GLint) (ctx->Current.RasterColor[ACOMP] * 255.0f);
-      if (fxMesa->colDepth == 15) {
-         color = TDFXPACKCOLOR1555(b, g, r, a);
-         mode = GR_LFBWRITEMODE_1555;
-      } else {
-         color = fxMesa->bgrOrder ? TDFXPACKCOLOR565(r, g, b) : TDFXPACKCOLOR565(b, g, r);
-         mode = GR_LFBWRITEMODE_565;
-      }
-   }
-
-   info.size = sizeof(info);
-   if (!grLfbLock(GR_LFB_WRITE_ONLY,
-		  fxMesa->currentFB,
-		  mode,
-		  GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
-      _swrast_Bitmap(ctx, px, py, width, height, finalUnpack, bitmap);
-      return;
-   }
-
-   {
-      const GLint winX = 0;
-      const GLint winY = 0;
-      /* The dest stride depends on the hardware and whether we're drawing
-       * to the front or back buffer.  This compile-time test seems to do
-       * the job for now.
-       */
-      const GLint dstStride = info.strideInBytes / 2;	/* stride in GLushorts */
-
-      GLint row;
-      /* compute dest address of bottom-left pixel in bitmap */
-      GLushort *dst = (GLushort *) info.lfbPtr
-	 + (winY + py) * dstStride + (winX + px);
-
-      for (row = 0; row < height; row++) {
-	 const GLubyte *src =
-	    (const GLubyte *) _mesa_image_address2d(finalUnpack,
-                                                    bitmap, width, height,
-                                                    GL_COLOR_INDEX, GL_BITMAP,
-                                                    row, 0);
-	 if (finalUnpack->LsbFirst) {
-	    /* least significan bit first */
-	    GLubyte mask = 1U << (finalUnpack->SkipPixels & 0x7);
-	    GLint col;
-	    for (col = 0; col < width; col++) {
-	       if (*src & mask) {
-		  dst[col] = color;
-	       }
-	       if (mask == 128U) {
-		  src++;
-		  mask = 1U;
-	       }
-	       else {
-		  mask = mask << 1;
-	       }
-	    }
-	    if (mask != 1)
-	       src++;
-	 }
-	 else {
-	    /* most significan bit first */
-	    GLubyte mask = 128U >> (finalUnpack->SkipPixels & 0x7);
-	    GLint col;
-	    for (col = 0; col < width; col++) {
-	       if (*src & mask) {
-		  dst[col] = color;
-	       }
-	       if (mask == 1U) {
-		  src++;
-		  mask = 128U;
-	       }
-	       else {
-		  mask = mask >> 1;
-	       }
-	    }
-	    if (mask != 128)
-	       src++;
-	 }
-	 dst += dstStride;
-      }
-   }
-
-   grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
-}
-
-static void
-fxDDDrawBitmap4 (GLcontext *ctx, GLint px, GLint py,
-		 GLsizei width, GLsizei height,
-		 const struct gl_pixelstore_attrib *unpack,
-		 const GLubyte *bitmap)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   SWcontext *swrast = SWRAST_CONTEXT(ctx);
-   GrLfbInfo_t info;
-   FxU32 color;
-   const struct gl_pixelstore_attrib *finalUnpack;
-   struct gl_pixelstore_attrib scissoredUnpack;
-
-   /* check if there's any raster operations enabled which we can't handle */
-   if ((swrast->_RasterMask & (/*ALPHATEST_BIT |*/
-			      /*BLEND_BIT |*/   /* blending ok, through pixpipe */
-			      DEPTH_BIT |       /* could be done with RGB:DEPTH */
-			      FOG_BIT |         /* could be done with RGB:DEPTH */
-			      LOGIC_OP_BIT |
-			      /*CLIP_BIT |*/    /* clipping ok, below */
-			      STENCIL_BIT |
-			      /*MASKING_BIT |*/ /* masking ok, we're in 32bpp */
-			      MULTI_DRAW_BIT |
-			      OCCLUSION_BIT |   /* nope! at least not yet */
-			      TEXTURE_BIT |
-			      FRAGPROG_BIT))
-      ) {
-      _swrast_Bitmap(ctx, px, py, width, height, unpack, bitmap);
-      return;
-   }
-
-   /* make sure the pixelpipe is configured correctly */
-   fxSetupFXUnits(ctx);
-
-   /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
-   if (ctx->Scissor.Enabled) {
-      /* This is a bit tricky, but by carefully adjusting the px, py,
-       * width, height, skipPixels and skipRows values we can do
-       * scissoring without special code in the rendering loop.
-       */
-
-      /* we'll construct a new pixelstore struct */
-      finalUnpack = &scissoredUnpack;
-      scissoredUnpack = *unpack;
-      if (scissoredUnpack.RowLength == 0)
-	 scissoredUnpack.RowLength = width;
-
-      /* clip left */
-      if (px < ctx->Scissor.X) {
-	 scissoredUnpack.SkipPixels += (ctx->Scissor.X - px);
-	 width -= (ctx->Scissor.X - px);
-	 px = ctx->Scissor.X;
-      }
-      /* clip right */
-      if (px + width >= ctx->Scissor.X + ctx->Scissor.Width) {
-	 width -= (px + width - (ctx->Scissor.X + ctx->Scissor.Width));
-      }
-      /* clip bottom */
-      if (py < ctx->Scissor.Y) {
-	 scissoredUnpack.SkipRows += (ctx->Scissor.Y - py);
-	 height -= (ctx->Scissor.Y - py);
-	 py = ctx->Scissor.Y;
-      }
-      /* clip top */
-      if (py + height >= ctx->Scissor.Y + ctx->Scissor.Height) {
-	 height -= (py + height - (ctx->Scissor.Y + ctx->Scissor.Height));
-      }
-
-      if (width <= 0 || height <= 0)
-	 return;
-   }
-   else {
-      finalUnpack = unpack;
-   }
-
-   /* compute pixel value */
-   {
-      GLint r = (GLint) (ctx->Current.RasterColor[RCOMP] * 255.0f);
-      GLint g = (GLint) (ctx->Current.RasterColor[GCOMP] * 255.0f);
-      GLint b = (GLint) (ctx->Current.RasterColor[BCOMP] * 255.0f);
-      GLint a = (GLint) (ctx->Current.RasterColor[ACOMP] * 255.0f);
-      color = TDFXPACKCOLOR8888(b, g, r, a);
-   }
-
-   info.size = sizeof(info);
-   if (!grLfbLock(GR_LFB_WRITE_ONLY,
-		  fxMesa->currentFB,
-		  GR_LFBWRITEMODE_8888,
-		  GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
-      _swrast_Bitmap(ctx, px, py, width, height, finalUnpack, bitmap);
-      return;
-   }
-
-   {
-      const GLint winX = 0;
-      const GLint winY = 0;
-      /* The dest stride depends on the hardware and whether we're drawing
-       * to the front or back buffer.  This compile-time test seems to do
-       * the job for now.
-       */
-      const GLint dstStride = info.strideInBytes / 4;	/* stride in GLuints */
-
-      GLint row;
-      /* compute dest address of bottom-left pixel in bitmap */
-      GLuint *dst = (GLuint *) info.lfbPtr
-	 + (winY + py) * dstStride + (winX + px);
-
-      for (row = 0; row < height; row++) {
-	 const GLubyte *src =
-	    (const GLubyte *) _mesa_image_address2d(finalUnpack,
-                                                    bitmap, width, height,
-                                                    GL_COLOR_INDEX, GL_BITMAP,
-                                                    row, 0);
-	 if (finalUnpack->LsbFirst) {
-	    /* least significan bit first */
-	    GLubyte mask = 1U << (finalUnpack->SkipPixels & 0x7);
-	    GLint col;
-	    for (col = 0; col < width; col++) {
-	       if (*src & mask) {
-		  dst[col] = color;
-	       }
-	       if (mask == 128U) {
-		  src++;
-		  mask = 1U;
-	       }
-	       else {
-		  mask = mask << 1;
-	       }
-	    }
-	    if (mask != 1)
-	       src++;
-	 }
-	 else {
-	    /* most significan bit first */
-	    GLubyte mask = 128U >> (finalUnpack->SkipPixels & 0x7);
-	    GLint col;
-	    for (col = 0; col < width; col++) {
-	       if (*src & mask) {
-		  dst[col] = color;
-	       }
-	       if (mask == 1U) {
-		  src++;
-		  mask = 128U;
-	       }
-	       else {
-		  mask = mask >> 1;
-	       }
-	    }
-	    if (mask != 128)
-	       src++;
-	 }
-	 dst += dstStride;
-      }
-   }
-
-   grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
-}
-
-
-static void
-fxDDReadPixels565 (GLcontext * ctx,
-		   GLint x, GLint y,
-		   GLsizei width, GLsizei height,
-		   GLenum format, GLenum type,
-		   const struct gl_pixelstore_attrib *packing,
-		   GLvoid *dstImage)
-{
-   if (ctx->_ImageTransferState/* & (IMAGE_SCALE_BIAS_BIT|IMAGE_MAP_COLOR_BIT)*/) {
-      _swrast_ReadPixels(ctx, x, y, width, height, format, type,
-			 packing, dstImage);
-      return;
-   }
-   else {
-      fxMesaContext fxMesa = FX_CONTEXT(ctx);
-      GrLfbInfo_t info;
-
-      BEGIN_BOARD_LOCK();
-      info.size = sizeof(info);
-      if (grLfbLock(GR_LFB_READ_ONLY,
-		    fxMesa->currentFB,
-		    GR_LFBWRITEMODE_ANY,
-		    GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) {
-	 const GLint winX = 0;
-	 const GLint winY = fxMesa->height - 1;
-	 const GLint srcStride = info.strideInBytes / 2;	/* stride in GLushorts */
-	 const GLushort *src = (const GLushort *) info.lfbPtr
-	    + (winY - y) * srcStride + (winX + x);
-	 GLubyte *dst = (GLubyte *) _mesa_image_address2d(packing, dstImage,
-							width, height, format,
-							type, 0, 0);
-	 GLint dstStride =
-	    _mesa_image_row_stride(packing, width, format, type);
-
-	 if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
-	    /* convert 5R6G5B into 8R8G8B */
-	    GLint row, col;
-	    const GLint halfWidth = width >> 1;
-	    const GLint extraPixel = (width & 1);
-	    for (row = 0; row < height; row++) {
-	       GLubyte *d = dst;
-	       for (col = 0; col < halfWidth; col++) {
-		  const GLuint pixel = ((const GLuint *) src)[col];
-                  *d++ = FX_rgb_scale_5[(pixel >> 11) & 0x1f];
-                  *d++ = FX_rgb_scale_6[(pixel >> 5)  & 0x3f];
-                  *d++ = FX_rgb_scale_5[ pixel        & 0x1f];
-                  *d++ = FX_rgb_scale_5[(pixel >> 27) & 0x1f];
-                  *d++ = FX_rgb_scale_6[(pixel >> 21) & 0x3f];
-                  *d++ = FX_rgb_scale_5[(pixel >> 16) & 0x1f];
-	       }
-	       if (extraPixel) {
-		  GLushort pixel = src[width - 1];
-                  *d++ = FX_rgb_scale_5[(pixel >> 11) & 0x1f];
-                  *d++ = FX_rgb_scale_6[(pixel >> 5)  & 0x3f];
-                  *d++ = FX_rgb_scale_5[ pixel        & 0x1f];
-	       }
-	       dst += dstStride;
-	       src -= srcStride;
-	    }
-	 }
-	 else if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
-	    /* convert 5R6G5B into 8R8G8B8A */
-	    GLint row, col;
-	    const GLint halfWidth = width >> 1;
-	    const GLint extraPixel = (width & 1);
-	    for (row = 0; row < height; row++) {
-	       GLubyte *d = dst;
-	       for (col = 0; col < halfWidth; col++) {
-		  const GLuint pixel = ((const GLuint *) src)[col];
-                  *d++ = FX_rgb_scale_5[(pixel >> 11) & 0x1f];
-                  *d++ = FX_rgb_scale_6[(pixel >> 5)  & 0x3f];
-                  *d++ = FX_rgb_scale_5[ pixel        & 0x1f];
-		  *d++ = 255;
-                  *d++ = FX_rgb_scale_5[(pixel >> 27) & 0x1f];
-                  *d++ = FX_rgb_scale_6[(pixel >> 21) & 0x3f];
-                  *d++ = FX_rgb_scale_5[(pixel >> 16) & 0x1f];
-		  *d++ = 255;
-	       }
-	       if (extraPixel) {
-		  const GLushort pixel = src[width - 1];
-                  *d++ = FX_rgb_scale_5[(pixel >> 11) & 0x1f];
-                  *d++ = FX_rgb_scale_6[(pixel >> 5)  & 0x3f];
-                  *d++ = FX_rgb_scale_5[ pixel        & 0x1f];
-		  *d++ = 255;
-	       }
-	       dst += dstStride;
-	       src -= srcStride;
-	    }
-	 }
-	 else if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) {
-	    /* directly memcpy 5R6G5B pixels into client's buffer */
-	    const GLint widthInBytes = width * 2;
-	    GLint row;
-	    for (row = 0; row < height; row++) {
-	       memcpy(dst, src, widthInBytes);
-	       dst += dstStride;
-	       src -= srcStride;
-	    }
-	 }
-	 else {
-	    grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB);
-	    END_BOARD_LOCK();
-	    _swrast_ReadPixels(ctx, x, y, width, height, format, type,
-			       packing, dstImage);
-	    return;
-	 }
-
-	 grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB);
-      }
-      END_BOARD_LOCK();
-   }
-}
-
-static void
-fxDDReadPixels555 (GLcontext * ctx,
-		   GLint x, GLint y,
-		   GLsizei width, GLsizei height,
-		   GLenum format, GLenum type,
-		   const struct gl_pixelstore_attrib *packing,
-		   GLvoid *dstImage)
-{
-   if (ctx->_ImageTransferState/* & (IMAGE_SCALE_BIAS_BIT|IMAGE_MAP_COLOR_BIT)*/) {
-      _swrast_ReadPixels(ctx, x, y, width, height, format, type,
-			 packing, dstImage);
-      return;
-   }
-   else {
-      fxMesaContext fxMesa = FX_CONTEXT(ctx);
-      GrLfbInfo_t info;
-
-      BEGIN_BOARD_LOCK();
-      info.size = sizeof(info);
-      if (grLfbLock(GR_LFB_READ_ONLY,
-		    fxMesa->currentFB,
-		    GR_LFBWRITEMODE_ANY,
-		    GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) {
-	 const GLint winX = 0;
-	 const GLint winY = fxMesa->height - 1;
-	 const GLint srcStride = info.strideInBytes / 2;	/* stride in GLushorts */
-	 const GLushort *src = (const GLushort *) info.lfbPtr
-	    + (winY - y) * srcStride + (winX + x);
-	 GLubyte *dst = (GLubyte *) _mesa_image_address2d(packing, dstImage,
-							width, height, format,
-							type, 0, 0);
-	 GLint dstStride =
-	    _mesa_image_row_stride(packing, width, format, type);
-
-	 if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
-	    /* convert 5R5G5B into 8R8G8B */
-	    GLint row, col;
-	    const GLint halfWidth = width >> 1;
-	    const GLint extraPixel = (width & 1);
-	    for (row = 0; row < height; row++) {
-	       GLubyte *d = dst;
-	       for (col = 0; col < halfWidth; col++) {
-		  const GLuint pixel = ((const GLuint *) src)[col];
-                  *d++ = FX_rgb_scale_5[(pixel >> 10) & 0x1f];
-                  *d++ = FX_rgb_scale_5[(pixel >> 5)  & 0x1f];
-                  *d++ = FX_rgb_scale_5[ pixel        & 0x1f];
-                  *d++ = FX_rgb_scale_5[(pixel >> 26) & 0x1f];
-                  *d++ = FX_rgb_scale_5[(pixel >> 21) & 0x1f];
-                  *d++ = FX_rgb_scale_5[(pixel >> 16) & 0x1f];
-	       }
-	       if (extraPixel) {
-		  GLushort pixel = src[width - 1];
-                  *d++ = FX_rgb_scale_5[(pixel >> 10) & 0x1f];
-                  *d++ = FX_rgb_scale_5[(pixel >> 5)  & 0x1f];
-                  *d++ = FX_rgb_scale_5[ pixel        & 0x1f];
-	       }
-	       dst += dstStride;
-	       src -= srcStride;
-	    }
-	 }
-	 else if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
-	    /* convert 5R6G5B into 8R8G8B8A */
-	    GLint row, col;
-	    const GLint halfWidth = width >> 1;
-	    const GLint extraPixel = (width & 1);
-	    for (row = 0; row < height; row++) {
-	       GLubyte *d = dst;
-	       for (col = 0; col < halfWidth; col++) {
-		  const GLuint pixel = ((const GLuint *) src)[col];
-                  *d++ = FX_rgb_scale_5[(pixel >> 10) & 0x1f];
-                  *d++ = FX_rgb_scale_5[(pixel >>  5) & 0x1f];
-                  *d++ = FX_rgb_scale_5[ pixel        & 0x1f];
-		  *d++ =  (pixel & 0x8000) ? 255 : 0;
-                  *d++ = FX_rgb_scale_5[(pixel >> 26) & 0x1f];
-                  *d++ = FX_rgb_scale_5[(pixel >> 21) & 0x1f];
-                  *d++ = FX_rgb_scale_5[(pixel >> 16) & 0x1f];
-		  *d++ =  (pixel & 0x80000000) ? 255 : 0;
-	       }
-	       if (extraPixel) {
-		  const GLushort pixel = src[width - 1];
-                  *d++ = FX_rgb_scale_5[(pixel >> 10) & 0x1f];
-                  *d++ = FX_rgb_scale_5[(pixel >>  5) & 0x1f];
-                  *d++ = FX_rgb_scale_5[ pixel        & 0x1f];
-		  *d++ =  (pixel & 0x8000) ? 255 : 0;
-	       }
-	       dst += dstStride;
-	       src -= srcStride;
-	    }
-	 }
-	 else if (format == GL_BGRA && type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
-	    /* directly memcpy 5R5G5B pixels into client's buffer */
-	    const GLint widthInBytes = width * 2;
-	    GLint row;
-	    for (row = 0; row < height; row++) {
-	       memcpy(dst, src, widthInBytes);
-	       dst += dstStride;
-	       src -= srcStride;
-	    }
-	 }
-	 else {
-	    grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB);
-	    END_BOARD_LOCK();
-	    _swrast_ReadPixels(ctx, x, y, width, height, format, type,
-			       packing, dstImage);
-	    return;
-	 }
-
-	 grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB);
-      }
-      END_BOARD_LOCK();
-   }
-}
-
-static void
-fxDDReadPixels8888 (GLcontext * ctx,
-		    GLint x, GLint y,
-		    GLsizei width, GLsizei height,
-		    GLenum format, GLenum type,
-		    const struct gl_pixelstore_attrib *packing,
-		    GLvoid *dstImage)
-{
-   if (ctx->_ImageTransferState/* & (IMAGE_SCALE_BIAS_BIT|IMAGE_MAP_COLOR_BIT)*/) {
-      _swrast_ReadPixels(ctx, x, y, width, height, format, type,
-			 packing, dstImage);
-      return;
-   }
-   else {
-      fxMesaContext fxMesa = FX_CONTEXT(ctx);
-      GrLfbInfo_t info;
-
-      BEGIN_BOARD_LOCK();
-      info.size = sizeof(info);
-      if (grLfbLock(GR_LFB_READ_ONLY,
-		    fxMesa->currentFB,
-		    GR_LFBWRITEMODE_ANY,
-		    GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) {
-	 const GLint winX = 0;
-	 const GLint winY = fxMesa->height - 1;
-	 const GLint srcStride = info.strideInBytes / 4;	/* stride in GLuints */
-	 const GLuint *src = (const GLuint *) info.lfbPtr
-	    + (winY - y) * srcStride + (winX + x);
-	 GLubyte *dst = (GLubyte *) _mesa_image_address2d(packing, dstImage,
-							width, height, format,
-							type, 0, 0);
-	 GLint dstStride =
-	    _mesa_image_row_stride(packing, width, format, type);
-
-	 if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
-	    /* convert 8A8R8G8B into 8R8G8B */
-	    GLint row, col;
-	    for (row = 0; row < height; row++) {
-	       GLubyte *d = dst;
-	       for (col = 0; col < width; col++) {
-		  const GLuint pixel = ((const GLuint *) src)[col];
-                  *d++ = pixel >> 16;
-                  *d++ = pixel >> 8;
-                  *d++ = pixel;
-	       }
-	       dst += dstStride;
-	       src -= srcStride;
-	    }
-	 }
-	 else if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
-	    /* 8A8R8G8B pixels into client's buffer */
-	    GLint row, col;
-	    for (row = 0; row < height; row++) {
-	       GLubyte *d = dst;
-	       for (col = 0; col < width; col++) {
-		  const GLuint pixel = ((const GLuint *) src)[col];
-                  *d++ = pixel >> 16;
-                  *d++ = pixel >> 8;
-                  *d++ = pixel;
-                  *d++ = pixel >> 24;
-	       }
-	       dst += dstStride;
-	       src -= srcStride;
-	    }
-	 }
-	 else if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) {
-	    /* convert 8A8R8G8B into 5R6G5B */
-	    GLint row, col;
-	    for (row = 0; row < height; row++) {
-	       GLushort *d = (GLushort *)dst;
-	       for (col = 0; col < width; col++) {
-		  const GLuint pixel = ((const GLuint *) src)[col];
-                  *d++ = (((pixel >> 16) & 0xf8) << 8) |
-                         (((pixel >>  8) & 0xfc) << 3) |
-                          ((pixel        & 0xf8) >> 3);
-	       }
-	       dst += dstStride;
-	       src -= srcStride;
-	    }
-	 }
-	 else {
-	    grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB);
-	    END_BOARD_LOCK();
-	    _swrast_ReadPixels(ctx, x, y, width, height, format, type,
-			       packing, dstImage);
-	    return;
-	 }
-
-	 grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB);
-      }
-      END_BOARD_LOCK();
-   }
-}
-
-
-static void
-fxDDDrawPixels555 (GLcontext * ctx, GLint x, GLint y,
-                   GLsizei width, GLsizei height,
-                   GLenum format, GLenum type,
-                   const struct gl_pixelstore_attrib *unpack,
-                   const GLvoid * pixels)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   SWcontext *swrast = SWRAST_CONTEXT(ctx);
-   GrLfbInfo_t info;
-   const struct gl_pixelstore_attrib *finalUnpack;
-   struct gl_pixelstore_attrib scissoredUnpack;
-
-   if (ctx->Pixel.ZoomX != 1.0F ||
-       ctx->Pixel.ZoomY != 1.0F ||
-       (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT|
-				    IMAGE_MAP_COLOR_BIT)) ||
-       (swrast->_RasterMask & (ALPHATEST_BIT |
-			      /*BLEND_BIT |*/   /* blending ok, through pixpipe */
-			      DEPTH_BIT |       /* could be done with RGB:DEPTH */
-			      FOG_BIT |         /* could be done with RGB:DEPTH */
-			      LOGIC_OP_BIT |
-			      /*CLIP_BIT |*/    /* clipping ok, below */
-			      STENCIL_BIT |
-			      MASKING_BIT |
-			      MULTI_DRAW_BIT |
-			      OCCLUSION_BIT |   /* nope! at least not yet */
-			      TEXTURE_BIT |
-			      FRAGPROG_BIT)) ||
-       fxMesa->fallback)
-   {
-      _swrast_DrawPixels( ctx, x, y, width, height, format, type,
-			  unpack, pixels );
-      return;
-   }
-
-   /* make sure the pixelpipe is configured correctly */
-   fxSetupFXUnits(ctx);
-
-   /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
-   if (ctx->Scissor.Enabled) {
-      /* This is a bit tricky, but by carefully adjusting the px, py,
-       * width, height, skipPixels and skipRows values we can do
-       * scissoring without special code in the rendering loop.
-       */
-
-      /* we'll construct a new pixelstore struct */
-      finalUnpack = &scissoredUnpack;
-      scissoredUnpack = *unpack;
-      if (scissoredUnpack.RowLength == 0)
-	 scissoredUnpack.RowLength = width;
-
-      /* clip left */
-      if (x < ctx->Scissor.X) {
-	 scissoredUnpack.SkipPixels += (ctx->Scissor.X - x);
-	 width -= (ctx->Scissor.X - x);
-	 x = ctx->Scissor.X;
-      }
-      /* clip right */
-      if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) {
-	 width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width));
-      }
-      /* clip bottom */
-      if (y < ctx->Scissor.Y) {
-	 scissoredUnpack.SkipRows += (ctx->Scissor.Y - y);
-	 height -= (ctx->Scissor.Y - y);
-	 y = ctx->Scissor.Y;
-      }
-      /* clip top */
-      if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) {
-	 height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height));
-      }
-
-      if (width <= 0 || height <= 0)
-	 return;
-   }
-   else {
-      finalUnpack = unpack;
-   }
-
-   info.size = sizeof(info);
-   if (!grLfbLock(GR_LFB_WRITE_ONLY,
-                  fxMesa->currentFB,
-                  GR_LFBWRITEMODE_1555,
-                  GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
-      _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
-      return;
-   }
-
-   {
-      const GLint winX = 0;
-      const GLint winY = 0;
-
-      const GLint dstStride = info.strideInBytes / 2;	/* stride in GLushorts */
-      GLushort *dst = (GLushort *) info.lfbPtr + (winY + y) * dstStride + (winX + x);
-
-      if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
-         GLint row;
-         for (row = 0; row < height; row++) {
-	     GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack,
-                                  pixels, width, height, format, type, row, 0);
-	     GLint col;
-	     for (col = 0; col < width; col++) {
-                 dst[col] = TDFXPACKCOLOR1555(src[2], src[1], src[0], src[3]);
-                 src += 4;
-             }
-             dst += dstStride;
-         }
-      }
-      else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
-         GLint row;
-         for (row = 0; row < height; row++) {
-	     GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack,
-                                  pixels, width, height, format, type, row, 0);
-	     GLint col;
-	     for (col = 0; col < width; col++) {
-                 dst[col] = TDFXPACKCOLOR1555(src[2], src[1], src[0], 255);
-                 src += 3;
-             }
-             dst += dstStride;
-         }
-      }
-      else {
-         grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
-         _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
-         return;
-      }
-
-   }
-
-   grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
-}
-
-
-static void
-fxDDDrawPixels565 (GLcontext * ctx, GLint x, GLint y,
-                   GLsizei width, GLsizei height,
-                   GLenum format, GLenum type,
-                   const struct gl_pixelstore_attrib *unpack,
-                   const GLvoid * pixels)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   SWcontext *swrast = SWRAST_CONTEXT(ctx);
-   GrLfbInfo_t info;
-   const struct gl_pixelstore_attrib *finalUnpack;
-   struct gl_pixelstore_attrib scissoredUnpack;
-
-   if (ctx->Pixel.ZoomX != 1.0F ||
-       ctx->Pixel.ZoomY != 1.0F ||
-       (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT|
-				    IMAGE_MAP_COLOR_BIT)) ||
-       (swrast->_RasterMask & (ALPHATEST_BIT |
-			      /*BLEND_BIT |*/   /* blending ok, through pixpipe */
-			      DEPTH_BIT |       /* could be done with RGB:DEPTH */
-			      FOG_BIT |         /* could be done with RGB:DEPTH */
-			      LOGIC_OP_BIT |
-			      /*CLIP_BIT |*/    /* clipping ok, below */
-			      STENCIL_BIT |
-			      MASKING_BIT |
-			      MULTI_DRAW_BIT |
-			      OCCLUSION_BIT |   /* nope! at least not yet */
-			      TEXTURE_BIT |
-			      FRAGPROG_BIT)) ||
-       fxMesa->fallback)
-   {
-      _swrast_DrawPixels( ctx, x, y, width, height, format, type,
-			  unpack, pixels );
-      return;
-   }
-
-   /* make sure the pixelpipe is configured correctly */
-   fxSetupFXUnits(ctx);
-
-   /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
-   if (ctx->Scissor.Enabled) {
-      /* This is a bit tricky, but by carefully adjusting the px, py,
-       * width, height, skipPixels and skipRows values we can do
-       * scissoring without special code in the rendering loop.
-       */
-
-      /* we'll construct a new pixelstore struct */
-      finalUnpack = &scissoredUnpack;
-      scissoredUnpack = *unpack;
-      if (scissoredUnpack.RowLength == 0)
-	 scissoredUnpack.RowLength = width;
-
-      /* clip left */
-      if (x < ctx->Scissor.X) {
-	 scissoredUnpack.SkipPixels += (ctx->Scissor.X - x);
-	 width -= (ctx->Scissor.X - x);
-	 x = ctx->Scissor.X;
-      }
-      /* clip right */
-      if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) {
-	 width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width));
-      }
-      /* clip bottom */
-      if (y < ctx->Scissor.Y) {
-	 scissoredUnpack.SkipRows += (ctx->Scissor.Y - y);
-	 height -= (ctx->Scissor.Y - y);
-	 y = ctx->Scissor.Y;
-      }
-      /* clip top */
-      if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) {
-	 height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height));
-      }
-
-      if (width <= 0 || height <= 0)
-	 return;
-   }
-   else {
-      finalUnpack = unpack;
-   }
-
-   info.size = sizeof(info);
-   if (!grLfbLock(GR_LFB_WRITE_ONLY,
-                  fxMesa->currentFB,
-                  GR_LFBWRITEMODE_565,
-                  GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
-      _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
-      return;
-   }
-
-   {
-      const GLint winX = 0;
-      const GLint winY = 0;
-
-      const GLint dstStride = info.strideInBytes / 2;	/* stride in GLushorts */
-      GLushort *dst = (GLushort *) info.lfbPtr + (winY + y) * dstStride + (winX + x);
-
-      if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
-         GLint row;
-         for (row = 0; row < height; row++) {
-	     GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack,
-                                  pixels, width, height, format, type, row, 0);
-	     GLint col;
-	     for (col = 0; col < width; col++) {
-                 dst[col] = TDFXPACKCOLOR565(src[2], src[1], src[0]);
-                 src += 4;
-             }
-             dst += dstStride;
-         }
-      }
-      else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
-         GLint row;
-         for (row = 0; row < height; row++) {
-	     GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack,
-                                  pixels, width, height, format, type, row, 0);
-	     GLint col;
-	     for (col = 0; col < width; col++) {
-                 dst[col] = TDFXPACKCOLOR565(src[2], src[1], src[0]);
-                 src += 3;
-             }
-             dst += dstStride;
-         }
-      }
-      else {
-         grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
-         _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
-         return;
-      }
-
-   }
-
-   grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
-}
-
-
-static void
-fxDDDrawPixels565_rev (GLcontext * ctx, GLint x, GLint y,
-                   GLsizei width, GLsizei height,
-                   GLenum format, GLenum type,
-                   const struct gl_pixelstore_attrib *unpack,
-                   const GLvoid * pixels)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   SWcontext *swrast = SWRAST_CONTEXT(ctx);
-   GrLfbInfo_t info;
-   const struct gl_pixelstore_attrib *finalUnpack;
-   struct gl_pixelstore_attrib scissoredUnpack;
-
-   if (ctx->Pixel.ZoomX != 1.0F ||
-       ctx->Pixel.ZoomY != 1.0F ||
-       (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT|
-				    IMAGE_MAP_COLOR_BIT)) ||
-       (swrast->_RasterMask & (ALPHATEST_BIT |
-			      /*BLEND_BIT |*/   /* blending ok, through pixpipe */
-			      DEPTH_BIT |       /* could be done with RGB:DEPTH */
-			      FOG_BIT |         /* could be done with RGB:DEPTH */
-			      LOGIC_OP_BIT |
-			      /*CLIP_BIT |*/    /* clipping ok, below */
-			      STENCIL_BIT |
-			      MASKING_BIT |
-			      MULTI_DRAW_BIT |
-			      OCCLUSION_BIT |   /* nope! at least not yet */
-			      TEXTURE_BIT |
-			      FRAGPROG_BIT)) ||
-       fxMesa->fallback)
-   {
-      _swrast_DrawPixels( ctx, x, y, width, height, format, type,
-			  unpack, pixels );
-      return;
-   }
-
-   /* make sure the pixelpipe is configured correctly */
-   fxSetupFXUnits(ctx);
-
-   /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
-   if (ctx->Scissor.Enabled) {
-      /* This is a bit tricky, but by carefully adjusting the px, py,
-       * width, height, skipPixels and skipRows values we can do
-       * scissoring without special code in the rendering loop.
-       */
-
-      /* we'll construct a new pixelstore struct */
-      finalUnpack = &scissoredUnpack;
-      scissoredUnpack = *unpack;
-      if (scissoredUnpack.RowLength == 0)
-	 scissoredUnpack.RowLength = width;
-
-      /* clip left */
-      if (x < ctx->Scissor.X) {
-	 scissoredUnpack.SkipPixels += (ctx->Scissor.X - x);
-	 width -= (ctx->Scissor.X - x);
-	 x = ctx->Scissor.X;
-      }
-      /* clip right */
-      if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) {
-	 width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width));
-      }
-      /* clip bottom */
-      if (y < ctx->Scissor.Y) {
-	 scissoredUnpack.SkipRows += (ctx->Scissor.Y - y);
-	 height -= (ctx->Scissor.Y - y);
-	 y = ctx->Scissor.Y;
-      }
-      /* clip top */
-      if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) {
-	 height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height));
-      }
-
-      if (width <= 0 || height <= 0)
-	 return;
-   }
-   else {
-      finalUnpack = unpack;
-   }
-
-   info.size = sizeof(info);
-   if (!grLfbLock(GR_LFB_WRITE_ONLY,
-                  fxMesa->currentFB,
-                  GR_LFBWRITEMODE_565,
-                  GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
-      _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
-      return;
-   }
-
-   {
-      const GLint winX = 0;
-      const GLint winY = 0;
-
-      const GLint dstStride = info.strideInBytes / 2;	/* stride in GLushorts */
-      GLushort *dst = (GLushort *) info.lfbPtr + (winY + y) * dstStride + (winX + x);
-
-      if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
-         GLint row;
-         for (row = 0; row < height; row++) {
-	     GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack,
-                                  pixels, width, height, format, type, row, 0);
-	     GLint col;
-	     for (col = 0; col < width; col++) {
-                 dst[col] = TDFXPACKCOLOR565(src[0], src[1], src[2]);
-                 src += 4;
-             }
-             dst += dstStride;
-         }
-      }
-      else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
-         GLint row;
-         for (row = 0; row < height; row++) {
-	     GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack,
-                                  pixels, width, height, format, type, row, 0);
-	     GLint col;
-	     for (col = 0; col < width; col++) {
-                 dst[col] = TDFXPACKCOLOR565(src[0], src[1], src[2]);
-                 src += 3;
-             }
-             dst += dstStride;
-         }
-      }
-      else {
-         grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
-         _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
-         return;
-      }
-
-   }
-
-   grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
-}
-
-
-static void
-fxDDDrawPixels8888 (GLcontext * ctx, GLint x, GLint y,
-                    GLsizei width, GLsizei height,
-                    GLenum format, GLenum type,
-                    const struct gl_pixelstore_attrib *unpack,
-                    const GLvoid * pixels)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   SWcontext *swrast = SWRAST_CONTEXT(ctx);
-   GrLfbInfo_t info;
-   const struct gl_pixelstore_attrib *finalUnpack;
-   struct gl_pixelstore_attrib scissoredUnpack;
-
-   if (ctx->Pixel.ZoomX != 1.0F ||
-       ctx->Pixel.ZoomY != 1.0F ||
-       (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT|
-				    IMAGE_MAP_COLOR_BIT)) ||
-       (swrast->_RasterMask & (/*ALPHATEST_BIT |*/
-			      /*BLEND_BIT |*/   /* blending ok, through pixpipe */
-			      DEPTH_BIT |       /* could be done with RGB:DEPTH */
-			      FOG_BIT |         /* could be done with RGB:DEPTH */
-			      LOGIC_OP_BIT |
-			      /*CLIP_BIT |*/    /* clipping ok, below */
-			      STENCIL_BIT |
-			      /*MASKING_BIT |*/ /* masking ok, we're in 32bpp */
-			      MULTI_DRAW_BIT |
-			      OCCLUSION_BIT |   /* nope! at least not yet */
-			      TEXTURE_BIT |
-			      FRAGPROG_BIT)) ||
-       fxMesa->fallback)
-   {
-      _swrast_DrawPixels( ctx, x, y, width, height, format, type,
-			  unpack, pixels );
-      return;
-   }
-
-   /* make sure the pixelpipe is configured correctly */
-   fxSetupFXUnits(ctx);
-
-   /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */
-   if (ctx->Scissor.Enabled) {
-      /* This is a bit tricky, but by carefully adjusting the px, py,
-       * width, height, skipPixels and skipRows values we can do
-       * scissoring without special code in the rendering loop.
-       */
-
-      /* we'll construct a new pixelstore struct */
-      finalUnpack = &scissoredUnpack;
-      scissoredUnpack = *unpack;
-      if (scissoredUnpack.RowLength == 0)
-	 scissoredUnpack.RowLength = width;
-
-      /* clip left */
-      if (x < ctx->Scissor.X) {
-	 scissoredUnpack.SkipPixels += (ctx->Scissor.X - x);
-	 width -= (ctx->Scissor.X - x);
-	 x = ctx->Scissor.X;
-      }
-      /* clip right */
-      if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) {
-	 width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width));
-      }
-      /* clip bottom */
-      if (y < ctx->Scissor.Y) {
-	 scissoredUnpack.SkipRows += (ctx->Scissor.Y - y);
-	 height -= (ctx->Scissor.Y - y);
-	 y = ctx->Scissor.Y;
-      }
-      /* clip top */
-      if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) {
-	 height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height));
-      }
-
-      if (width <= 0 || height <= 0)
-	 return;
-   }
-   else {
-      finalUnpack = unpack;
-   }
-
-   info.size = sizeof(info);
-   if (!grLfbLock(GR_LFB_WRITE_ONLY,
-                  fxMesa->currentFB,
-                  GR_LFBWRITEMODE_8888,
-                  GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) {
-      _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
-      return;
-   }
-
-   {
-      const GLint winX = 0;
-      const GLint winY = 0;
-
-      const GLint dstStride = info.strideInBytes / 4;	/* stride in GLuints */
-      GLuint *dst = (GLuint *) info.lfbPtr + (winY + y) * dstStride + (winX + x);
-
-      if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
-         /* directly memcpy 8A8R8G8B pixels to screen */
-         const GLint widthInBytes = width * 4;
-         GLint row;
-         for (row = 0; row < height; row++) {
-	     GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack,
-                                  pixels, width, height, format, type, row, 0);
-             memcpy(dst, src, widthInBytes);
-             dst += dstStride;
-         }
-      }
-      else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) {
-         GLint row;
-         for (row = 0; row < height; row++) {
-	     GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack,
-                               pixels, width, height, format, type, row, 0);
-	     GLint col;
-	     for (col = 0; col < width; col++) {
-                 dst[col] = TDFXPACKCOLOR8888(src[2], src[1], src[0], 255);
-                 src += 3;
-             }
-             dst += dstStride;
-         }
-      }
-      else {
-         grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
-         _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels);
-         return;
-      }
-
-   }
-
-   grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB);
-}
-
-
-static void
-fxDDFinish(GLcontext * ctx)
-{
-   grFlush();
-}
-
-
-
-
-
-/* KW: Put the word Mesa in the render string because quakeworld
- * checks for this rather than doing a glGet(GL_MAX_TEXTURE_SIZE).
- * Why?
- */
-static const GLubyte *
-fxDDGetString(GLcontext * ctx, GLenum name)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
- switch (name) {
-        case GL_RENDERER:
-             return (GLubyte *)fxMesa->rendererString;
-#if __WIN32__ /* hack to advertise vanilla extension names */
-        case GL_EXTENSIONS:
-             if (ctx->Extensions.String == NULL) {
-                GLubyte *ext = _mesa_make_extension_string(ctx);
-                if (ext != NULL) {
-                   ctx->Extensions.String = malloc(strlen((char *)ext) + 256);
-                   if (ctx->Extensions.String != NULL) {
-                      strcpy((char *)ctx->Extensions.String, (char *)ext);
-                      /* put any additional extension names here */
-#if 0
-                      strcat((char *)ctx->Extensions.String, " 3DFX_set_global_palette");
-#endif
-#if __WIN32__
-                      strcat((char *)ctx->Extensions.String, " WGL_3DFX_gamma_control");
-                      strcat((char *)ctx->Extensions.String, " WGL_EXT_swap_control");
-                      strcat((char *)ctx->Extensions.String, " WGL_EXT_extensions_string WGL_ARB_extensions_string");
-#endif
-                      /* put any additional extension names here */
-                      free(ext);
-                   } else {
-                      ctx->Extensions.String = ext;
-                   }
-                }
-             }
-             return ctx->Extensions.String;
-#endif
-        default:
-             return NULL;
- }
-}
-
-static const struct tnl_pipeline_stage *fx_pipeline[] = {
-   &_tnl_vertex_transform_stage,	/* XXX todo - Add the fastpath here */
-   &_tnl_normal_transform_stage,
-   &_tnl_lighting_stage,
-   &_tnl_fog_coordinate_stage,
-   &_tnl_texgen_stage,
-   &_tnl_texture_transform_stage,
-   &_tnl_point_attenuation_stage,
-#if defined(FEATURE_NV_vertex_program) || defined(FEATURE_ARB_vertex_program)
-   &_tnl_vertex_program_stage,
-#endif
-   &_tnl_render_stage,
-   0,
-};
-
-
-
-
-int
-fxDDInitFxMesaContext(fxMesaContext fxMesa)
-{
-   GLcontext *ctx = fxMesa->glCtx;
-
-   FX_setupGrVertexLayout();
-
-   fxMesa->color = 0xffffffff;
-   fxMesa->clearC = 0;
-   fxMesa->clearA = 0;
-
-   fxMesa->stats.swapBuffer = 0;
-   fxMesa->stats.reqTexUpload = 0;
-   fxMesa->stats.texUpload = 0;
-   fxMesa->stats.memTexUpload = 0;
-
-   fxMesa->tmuSrc = FX_TMU_NONE;
-   fxMesa->lastUnitsMode = FX_UM_NONE;
-   fxTMInit(fxMesa);
-
-   /* FX units setup */
-
-   fxMesa->unitsState.alphaTestEnabled = GL_FALSE;
-   fxMesa->unitsState.alphaTestFunc = GL_ALWAYS;
-   fxMesa->unitsState.alphaTestRefValue = 0.0;
-
-   fxMesa->unitsState.blendEnabled = GL_FALSE;
-   fxMesa->unitsState.blendSrcFuncRGB = GR_BLEND_ONE;
-   fxMesa->unitsState.blendDstFuncRGB = GR_BLEND_ZERO;
-   fxMesa->unitsState.blendSrcFuncAlpha = GR_BLEND_ONE;
-   fxMesa->unitsState.blendDstFuncAlpha = GR_BLEND_ZERO;
-   fxMesa->unitsState.blendEqRGB = GR_BLEND_OP_ADD;
-   fxMesa->unitsState.blendEqAlpha = GR_BLEND_OP_ADD;
-
-   fxMesa->unitsState.depthTestEnabled = GL_FALSE;
-   fxMesa->unitsState.depthMask = GL_TRUE;
-   fxMesa->unitsState.depthTestFunc = GL_LESS;
-   fxMesa->unitsState.depthBias = 0;
-
-   fxMesa->unitsState.stencilWriteMask = 0xff;
-
-   if (fxMesa->colDepth == 32) {
-      /* 32bpp */
-      fxMesa->Glide.grColorMaskExt(FXTRUE, FXTRUE, FXTRUE, fxMesa->haveHwAlpha);
-   } else {
-      /* 15/16 bpp mode */
-      grColorMask(FXTRUE, fxMesa->haveHwAlpha);
-   }
-
-   fxMesa->currentFB = fxMesa->haveDoubleBuffer ? GR_BUFFER_BACKBUFFER : GR_BUFFER_FRONTBUFFER;
-   grRenderBuffer(fxMesa->currentFB);
-
-   fxMesa->state = MALLOC(FX_grGetInteger(GR_GLIDE_STATE_SIZE));
-   fxMesa->fogTable = (GrFog_t *) MALLOC(FX_grGetInteger(GR_FOG_TABLE_ENTRIES) *
-			     sizeof(GrFog_t));
-
-   if (!fxMesa->state || !fxMesa->fogTable) {
-      if (fxMesa->state)
-	 FREE(fxMesa->state);
-      if (fxMesa->fogTable)
-	 FREE(fxMesa->fogTable);
-      return 0;
-   }
-
-   if (fxMesa->haveZBuffer) {
-      grDepthBufferMode(GR_DEPTHBUFFER_ZBUFFER);
-   }
-
-   if (!fxMesa->bgrOrder) {
-      grLfbWriteColorFormat(GR_COLORFORMAT_ABGR);
-   }
-
-   if (fxMesa->Glide.grSetNumPendingBuffers != NULL) {
-      fxMesa->Glide.grSetNumPendingBuffers(fxMesa->maxPendingSwapBuffers);
-   }
-
-   fxMesa->textureAlign = FX_grGetInteger(GR_TEXTURE_ALIGN);
-   /* [koolsmoky] */
-   {
-    char *env;
-    int textureLevels = 0;
-    int textureSize = FX_grGetInteger(GR_MAX_TEXTURE_SIZE);
-    do {
-        textureLevels++;
-    } while ((textureSize >>= 0x1) & 0x7ff);
-    ctx->Const.MaxTextureLevels = textureLevels;
-    ctx->Const.MaxTextureLodBias = /*textureLevels - 1*/8; /* Glide bug */
-#if FX_RESCALE_BIG_TEXURES_HACK
-    fxMesa->textureMaxLod = textureLevels - 1;
-    if ((env = getenv("MESA_FX_MAXLOD")) != NULL) {
-       int maxLevels = atoi(env) + 1;
-       if ((maxLevels <= MAX_TEXTURE_LEVELS) && (maxLevels > textureLevels)) {
-          ctx->Const.MaxTextureLevels = maxLevels;
-       }
-    }
-#endif
-   }
-   ctx->Const.MaxTextureCoordUnits =
-   ctx->Const.MaxTextureImageUnits = fxMesa->haveTwoTMUs ? 2 : 1;
-   ctx->Const.MaxTextureUnits = MAX2(ctx->Const.MaxTextureImageUnits, ctx->Const.MaxTextureCoordUnits);
-
-   ctx->Const.MaxDrawBuffers = 1;
-
-   fxMesa->new_state = _NEW_ALL;
-   if (!fxMesa->haveHwStencil) {
-      /* don't touch stencil if there is none */
-      fxMesa->new_state &= ~FX_NEW_STENCIL;
-   }
-
-   /* Initialize the software rasterizer and helper modules.
-    */
-   _swrast_CreateContext(ctx);
-   _vbo_CreateContext(ctx);
-   _tnl_CreateContext(ctx);
-   _swsetup_CreateContext(ctx);
-
-   /* Install customized pipeline */
-   _tnl_destroy_pipeline(ctx);
-   _tnl_install_pipeline(ctx, fx_pipeline);
-
-   fxAllocVB(ctx);
-
-   fxSetupDDPointers(ctx);
-   fxDDInitTriFuncs(ctx);
-
-   /* Tell the software rasterizer to use pixel fog always.
-    */
-   _swrast_allow_vertex_fog(ctx, GL_FALSE);
-   _swrast_allow_pixel_fog(ctx, GL_TRUE);
-   _tnl_allow_vertex_fog( ctx, GL_FALSE );
-   _tnl_allow_pixel_fog( ctx, GL_TRUE );
-
-   /* Tell tnl not to calculate or use vertex fog factors.  (Needed to
-    * tell render stage not to clip fog coords).
-    */
-/*     _tnl_calculate_vertex_fog( ctx, GL_FALSE ); */
-
-   fxDDInitExtensions(ctx);
-
-#if 0
-   /* do we want dither? It just looks bad... */
-   grEnable(GR_ALLOW_MIPMAP_DITHER);
-#endif
-   grGlideGetState((GrState *) fxMesa->state);
-
-   return 1;
-}
-
-/* Undo the above.
- */
-void
-fxDDDestroyFxMesaContext(fxMesaContext fxMesa)
-{
-   _swsetup_DestroyContext(fxMesa->glCtx);
-   _tnl_DestroyContext(fxMesa->glCtx);
-   _vbo_DestroyContext(fxMesa->glCtx);
-   _swrast_DestroyContext(fxMesa->glCtx);
-
-   if (fxMesa->state)
-      FREE(fxMesa->state);
-   if (fxMesa->fogTable)
-      FREE(fxMesa->fogTable);
-   fxFreeVB(fxMesa->glCtx);
-}
-
-
-
-
-void
-fxDDInitExtensions(GLcontext * ctx)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
-#if 1 /* multipass ColorSum stage */
-   _mesa_enable_extension(ctx, "GL_EXT_secondary_color");
-#endif
-
-   _mesa_enable_extension(ctx, "GL_ARB_point_sprite");
-   _mesa_enable_extension(ctx, "GL_EXT_point_parameters");
-   _mesa_enable_extension(ctx, "GL_EXT_paletted_texture");
-   _mesa_enable_extension(ctx, "GL_EXT_texture_lod_bias");
-   _mesa_enable_extension(ctx, "GL_EXT_shared_texture_palette");
-   _mesa_enable_extension(ctx, "GL_EXT_blend_func_separate");
-   _mesa_enable_extension(ctx, "GL_EXT_texture_env_add");
-   _mesa_enable_extension(ctx, "GL_EXT_stencil_wrap");
-   _mesa_enable_extension(ctx, "GL_EXT_stencil_two_side");
-
-   if (fxMesa->haveTwoTMUs) {
-      _mesa_enable_extension(ctx, "GL_ARB_multitexture");
-   }
-
-   if (fxMesa->type >= GR_SSTTYPE_Voodoo4) {
-      _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
-      _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
-      _mesa_enable_extension(ctx, "GL_S3_s3tc");
-      _mesa_enable_extension(ctx, "GL_NV_blend_square");
-   } else {
-      /* [dBorca]
-       * We should enable generic texture compression functions,
-       * but some poorly written apps automatically assume S3TC.
-       * Binding NCC to GL_COMPRESSED_RGB[A] is an unnecessary hassle,
-       * since it's slow and ugly (better with palette textures, then).
-       * Moreover, NCC is not an OpenGL standard, so we can't use
-       * precompressed textures. Last, but not least, NCC runs amok
-       * when multitexturing on a Voodoo3 and up (see POINTCAST vs UMA).
-       * Note: this is also a problem with palette textures, but
-       * faking multitex by multipass is evil...
-       * Implementing NCC requires three stages:
-       * fxDDChooseTextureFormat:
-       *    bind GL_COMPRESSED_RGB[A] to _mesa_texformat_argb8888,
-       *    so we can quantize properly, at a later time
-       * fxDDTexImage:
-       *    if GL_COMPRESSED_RGB
-       *       use _mesa_texformat_l8 to get 1bpt and set GR_TEXFMT_YIQ_422
-       *    if GL_COMPRESSED_RGBA
-       *       use _mesa_texformat_al88 to get 2bpt and set GR_TEXFMT_AYIQ_8422
-       *    txMipQuantize(...);
-       *    if (level == 0) {
-       *       txPalToNcc((GuNccTable *)(&(ti->palette)), pxMip.pal);
-       *    }
-       * fxSetupSingleTMU_NoLock/fxSetupDoubleTMU_NoLock:
-       *    grTexDownloadTable(GR_TEXTABLE_NCC0, &(ti->palette));
-       */
-      _mesa_enable_extension(ctx, "GL_SGIS_generate_mipmap");
-   }
-
-   if (fxMesa->HaveCmbExt) {
-      _mesa_enable_extension(ctx, "GL_ARB_texture_env_combine");
-      _mesa_enable_extension(ctx, "GL_EXT_texture_env_combine");
-   }
-
-   if (fxMesa->HavePixExt) {
-      _mesa_enable_extension(ctx, "GL_EXT_blend_subtract");
-      _mesa_enable_extension(ctx, "GL_EXT_blend_equation_separate");
-   }
-
-   if (fxMesa->HaveMirExt) {
-      _mesa_enable_extension(ctx, "GL_ARB_texture_mirrored_repeat");
-   }
-
-   if (fxMesa->type >= GR_SSTTYPE_Voodoo2) {
-      _mesa_enable_extension(ctx, "GL_EXT_fog_coord");
-   }
-
-   /* core-level extensions */
-   /* dangerous */
-   if (getenv("MESA_FX_ALLOW_VP")) {
-      _mesa_enable_extension(ctx, "GL_ARB_vertex_program");
-      _mesa_enable_extension(ctx, "GL_NV_vertex_program");
-      _mesa_enable_extension(ctx, "GL_NV_vertex_program1_1");
-   }
-#if 0
-   /* this requires _tnl_vertex_cull_stage in the pipeline */
-   _mesa_enable_extension(ctx, "EXT_cull_vertex");
-#endif
-}
-
-
-/************************************************************************/
-/************************************************************************/
-/************************************************************************/
-
-/* Check if the hardware supports the current context
- *
- * Performs similar work to fxDDChooseRenderState() - should be merged.
- */
-GLuint
-fx_check_IsInHardware(GLcontext * ctx)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
-   if (ctx->RenderMode != GL_RENDER) {
-      return FX_FALLBACK_RENDER_MODE;
-   }
-
-   if (ctx->Stencil._Enabled && !fxMesa->haveHwStencil) {
-      return FX_FALLBACK_STENCIL;
-   }
-
-   if ((ctx->DrawBuffer->_ColorDrawBufferIndexes[0] != BUFFER_BIT_FRONT_LEFT) &&
-       (ctx->DrawBuffer->_ColorDrawBufferIndexes[0] != BUFFER_BIT_BACK_LEFT)) {
-      return FX_FALLBACK_DRAW_BUFFER;
-   }
-
-   if (ctx->Color.BlendEnabled) {
-      if (ctx->Color.BlendEquationRGB != GL_FUNC_ADD) {
-         if (!fxMesa->HavePixExt ||
-             ((ctx->Color.BlendEquationRGB != GL_FUNC_SUBTRACT) &&
-              (ctx->Color.BlendEquationRGB != GL_FUNC_REVERSE_SUBTRACT))) {
-            return FX_FALLBACK_BLEND;
-         }
-      }
-
-      if (ctx->Color.BlendEquationA != GL_FUNC_ADD) {
-         if (!fxMesa->HavePixExt ||
-             ((ctx->Color.BlendEquationA != GL_FUNC_SUBTRACT) &&
-              (ctx->Color.BlendEquationA != GL_FUNC_REVERSE_SUBTRACT))) {
-            return FX_FALLBACK_BLEND;
-         }
-      }
-
-#if 0
-      /* [dBorca]
-       * We fail the spec here, unless certain blending modes:
-       * RGB: (GL_ONE + GL_*) or (GL_ZERO + GL_*) or ...
-       */
-      if (NEED_SECONDARY_COLOR(ctx)) {
-         if ((ctx->Color.BlendEquationRGB != GL_FUNC_ADD) &&
-             (ctx->Color.BlendSrcRGB != GL_ONE)) {
-            /* Can't use multipass to blend ColorSum stage */
-            return FX_FALLBACK_SPECULAR;
-         }
-      }
-#endif
-   }
-
-   /* [dBorca]
-    * We could avoid this for certain `sfactor/dfactor'
-    * I do not think that is even worthwhile to check
-    * because if someone is using blending they use more
-    * interesting settings and also it would add more
-    * state tracking to a lot of the code.
-    */
-   if (ctx->Color.ColorLogicOpEnabled && (ctx->Color.LogicOp != GL_COPY)) {
-      return FX_FALLBACK_LOGICOP;
-   }
-
-   if ((fxMesa->colDepth != 32) &&
-       ((ctx->Color.ColorMask[RCOMP] != ctx->Color.ColorMask[GCOMP]) ||
-        (ctx->Color.ColorMask[GCOMP] != ctx->Color.ColorMask[BCOMP]))) {
-      return FX_FALLBACK_COLORMASK;
-   }
-
-   /* Unsupported texture/multitexture cases */
-
-   /* we can only do 1D/2D textures */
-   if (ctx->Texture.Unit[0]._ReallyEnabled & ~(TEXTURE_1D_BIT|TEXTURE_2D_BIT))
-      return FX_FALLBACK_TEXTURE_MAP;
-
-   if (fxMesa->haveTwoTMUs) {
-      if (ctx->Texture.Unit[1]._ReallyEnabled & ~(TEXTURE_1D_BIT|TEXTURE_2D_BIT))
-	 return FX_FALLBACK_TEXTURE_MAP;
-
-      if (ctx->Texture.Unit[0]._ReallyEnabled) {
-         if (fxMesa->type < GR_SSTTYPE_Voodoo2)
-	 if (ctx->Texture.Unit[0].EnvMode == GL_BLEND &&
-	     (ctx->Texture.Unit[1]._ReallyEnabled ||
-	      ctx->Texture.Unit[0].EnvColor[0] != 0 ||
-	      ctx->Texture.Unit[0].EnvColor[1] != 0 ||
-	      ctx->Texture.Unit[0].EnvColor[2] != 0 ||
-	      ctx->Texture.Unit[0].EnvColor[3] != 1)) {
-	    return FX_FALLBACK_TEXTURE_ENV;
-	 }
-	 if (ctx->Texture.Unit[0]._Current->Image[0][0]->Border > 0)
-	    return FX_FALLBACK_TEXTURE_BORDER;
-      }
-
-      if (ctx->Texture.Unit[1]._ReallyEnabled) {
-         if (fxMesa->type < GR_SSTTYPE_Voodoo2)
-	 if (ctx->Texture.Unit[1].EnvMode == GL_BLEND)
-	    return FX_FALLBACK_TEXTURE_ENV;
-	 if (ctx->Texture.Unit[1]._Current->Image[0][0]->Border > 0)
-	    return FX_FALLBACK_TEXTURE_BORDER;
-      }
-
-      if (TDFX_DEBUG & (VERBOSE_DRIVER | VERBOSE_TEXTURE))
-	 fprintf(stderr, "fx_check_IsInHardware: envmode is %s/%s\n",
-		 _mesa_lookup_enum_by_nr(ctx->Texture.Unit[0].EnvMode),
-		 _mesa_lookup_enum_by_nr(ctx->Texture.Unit[1].EnvMode));
-
-      /* KW: This was wrong (I think) and I changed it... which doesn't mean
-       * it is now correct...
-       * BP: The old condition just seemed to test if both texture units
-       * were enabled.  That's easy!
-       */
-      if (ctx->Texture._EnabledUnits == 0x3) {
-#if 0
-	 /* Can't use multipass to blend a multitextured triangle - fall
-	  * back to software.
-	  */
-	 if (!fxMesa->haveTwoTMUs && ctx->Color.BlendEnabled) {
-	    return FX_FALLBACK_TEXTURE_MULTI;
-	 }
-#endif
-
-	 if (!fxMesa->HaveCmbExt &&
-	     (ctx->Texture.Unit[0].EnvMode != ctx->Texture.Unit[1].EnvMode) &&
-	     (ctx->Texture.Unit[0].EnvMode != GL_MODULATE) &&
-	     (ctx->Texture.Unit[0].EnvMode != GL_REPLACE)) {	/* q2, seems ok... */
-	    if (TDFX_DEBUG & VERBOSE_DRIVER)
-	       fprintf(stderr, "fx_check_IsInHardware: unsupported multitex env mode\n");
-	    return FX_FALLBACK_TEXTURE_MULTI;
-	 }
-      }
-   }
-   else {
-      /* we have just one texture unit */
-      if (ctx->Texture._EnabledUnits > 0x1) {
-	 return FX_FALLBACK_TEXTURE_MULTI;
-      }
-
-      if (fxMesa->type < GR_SSTTYPE_Voodoo2)
-      if (ctx->Texture.Unit[0]._ReallyEnabled &&
-	  (ctx->Texture.Unit[0].EnvMode == GL_BLEND)) {
-	 return FX_FALLBACK_TEXTURE_ENV;
-      }
-   }
-
-   return 0;
-}
-
-
-
-static void
-fxDDUpdateDDPointers(GLcontext * ctx, GLuint new_state)
-{
-   /* TNLcontext *tnl = TNL_CONTEXT(ctx); */
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
-   if (TDFX_DEBUG & VERBOSE_DRIVER) {
-      fprintf(stderr, "fxDDUpdateDDPointers(%08x)\n", new_state);
-   }
-
-   _swrast_InvalidateState(ctx, new_state);
-   _vbo_InvalidateState(ctx, new_state);
-   _tnl_InvalidateState(ctx, new_state);
-   _swsetup_InvalidateState(ctx, new_state);
-
-   fxMesa->new_gl_state |= new_state;
-}
-
-
-
-
-void
-fxSetupDDPointers(GLcontext * ctx)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   /* TNLcontext *tnl = TNL_CONTEXT(ctx); */
-
-   if (TDFX_DEBUG & VERBOSE_DRIVER) {
-      fprintf(stderr, "fxSetupDDPointers()\n");
-   }
-
-   ctx->Driver.UpdateState = fxDDUpdateDDPointers;
-   ctx->Driver.GetString = fxDDGetString;
-   ctx->Driver.ClearIndex = NULL;
-   ctx->Driver.ClearColor = fxDDClearColor;
-   ctx->Driver.Clear = fxDDClear;
-   ctx->Driver.DrawBuffer = fxDDSetDrawBuffer;
-   ctx->Driver.GetBufferSize = fxDDGetBufferSize;
-   ctx->Driver.Viewport = fxDDViewport;
-   switch (fxMesa->colDepth) {
-      case 15:
-         ctx->Driver.DrawPixels = fxDDDrawPixels555;
-         ctx->Driver.ReadPixels = fxDDReadPixels555;
-         ctx->Driver.Bitmap = fxDDDrawBitmap2;
-         break;
-      case 16:
-         ctx->Driver.DrawPixels = !fxMesa->bgrOrder ? fxDDDrawPixels565 : fxDDDrawPixels565_rev;
-         ctx->Driver.ReadPixels = fxDDReadPixels565;
-         ctx->Driver.Bitmap = fxDDDrawBitmap2;
-         break;
-      case 32:
-         ctx->Driver.DrawPixels = fxDDDrawPixels8888;
-         ctx->Driver.ReadPixels = fxDDReadPixels8888;
-         ctx->Driver.Bitmap = fxDDDrawBitmap4;
-         break;
-   }
-   ctx->Driver.Finish = fxDDFinish;
-   ctx->Driver.Flush = NULL;
-   ctx->Driver.ChooseTextureFormat = fxDDChooseTextureFormat;
-   ctx->Driver.TexImage1D = fxDDTexImage1D;
-   ctx->Driver.TexImage2D = fxDDTexImage2D;
-   ctx->Driver.TexSubImage1D = fxDDTexSubImage1D;
-   ctx->Driver.TexSubImage2D = fxDDTexSubImage2D;
-   ctx->Driver.CompressedTexImage2D = fxDDCompressedTexImage2D;
-   ctx->Driver.CompressedTexSubImage2D = fxDDCompressedTexSubImage2D;
-   ctx->Driver.TestProxyTexImage = fxDDTestProxyTexImage;
-   ctx->Driver.TexEnv = fxDDTexEnv;
-   ctx->Driver.TexParameter = fxDDTexParam;
-   ctx->Driver.BindTexture = fxDDTexBind;
-   ctx->Driver.DeleteTexture = fxDDTexDel;
-   ctx->Driver.IsTextureResident = fxDDIsTextureResident;
-   ctx->Driver.UpdateTexturePalette = fxDDTexPalette;
-   ctx->Driver.AlphaFunc = fxDDAlphaFunc;
-   ctx->Driver.BlendFuncSeparate = fxDDBlendFuncSeparate;
-   ctx->Driver.BlendEquationSeparate = fxDDBlendEquationSeparate;
-   ctx->Driver.DepthFunc = fxDDDepthFunc;
-   ctx->Driver.DepthMask = fxDDDepthMask;
-   ctx->Driver.ColorMask = fxDDColorMask;
-   ctx->Driver.Fogfv = fxDDFogfv;
-   ctx->Driver.Scissor = fxDDScissor;
-   ctx->Driver.FrontFace = fxDDFrontFace;
-   ctx->Driver.CullFace = fxDDCullFace;
-   ctx->Driver.ShadeModel = fxDDShadeModel;
-   ctx->Driver.Enable = fxDDEnable;
-   if (fxMesa->haveHwStencil) {
-      ctx->Driver.StencilFuncSeparate	= fxDDStencilFuncSeparate;
-      ctx->Driver.StencilMaskSeparate	= fxDDStencilMaskSeparate;
-      ctx->Driver.StencilOpSeparate	= fxDDStencilOpSeparate;
-   }
-
-   fxSetupDDSpanPointers(ctx);
-   fxDDUpdateDDPointers(ctx, ~0);
-}
-
-
-#else
-
-
-/*
- * Need this to provide at least one external definition.
- */
-
-extern int gl_fx_dummy_function_dd(void);
-int
-gl_fx_dummy_function_dd(void)
-{
-   return 0;
-}
-
-#endif /* FX */