massive reduction of unneeded files

1 files changed, 0 insertions, 663 deletions

diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c
deleted file mode 100644
index 79abbefc2..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxddspan.c
+++ /dev/null
@@ -1,663 +0,0 @@
-/*
- * 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
- */
-
-
-/* fxdd.c - 3Dfx VooDoo Mesa span and pixel functions */
-
-
-#ifdef HAVE_CONFIG_H
-#include "conf.h"
-#endif
-
-#if defined(FX)
-
-#include "fxdrv.h"
-#include "fxglidew.h"
-#include "swrast/swrast.h"
-
-
-/************************************************************************/
-/*****                    Span functions                            *****/
-/************************************************************************/
-
-#define DBG 0
-
-
-#define LOCAL_VARS							\
-    GLuint pitch = info.strideInBytes;					\
-    GLuint height = fxMesa->height;					\
-    char *buf = (char *)((char *)info.lfbPtr + 0 /* x, y offset */);	\
-    GLuint p;								\
-    (void) buf; (void) p;
-
-#define CLIPPIXEL( _x, _y )	( _x >= minx && _x < maxx &&		\
-				  _y >= miny && _y < maxy )
-
-#define CLIPSPAN( _x, _y, _n, _x1, _n1, _i )				\
-    if ( _y < miny || _y >= maxy ) {					\
-	_n1 = 0, _x1 = x;						\
-    } else {								\
-	_n1 = _n;							\
-	_x1 = _x;							\
-	if ( _x1 < minx ) _i += (minx-_x1), n1 -= (minx-_x1), _x1 = minx;\
-	if ( _x1 + _n1 >= maxx ) n1 -= (_x1 + n1 - maxx);		\
-    }
-
-#define Y_FLIP(_y)		(height - _y - 1)
-
-#define HW_WRITE_LOCK()							\
-    fxMesaContext fxMesa = FX_CONTEXT(ctx);				\
-    GrLfbInfo_t info;							\
-    info.size = sizeof(GrLfbInfo_t);					\
-    if ( grLfbLock( GR_LFB_WRITE_ONLY,					\
-                   fxMesa->currentFB, LFB_MODE,				\
-		   GR_ORIGIN_UPPER_LEFT, FXFALSE, &info ) ) {
-
-#define HW_WRITE_UNLOCK()						\
-	grLfbUnlock( GR_LFB_WRITE_ONLY, fxMesa->currentFB );		\
-    }
-
-#define HW_READ_LOCK()							\
-    fxMesaContext fxMesa = FX_CONTEXT(ctx);				\
-    GrLfbInfo_t info;							\
-    info.size = sizeof(GrLfbInfo_t);					\
-    if ( grLfbLock( GR_LFB_READ_ONLY, fxMesa->currentFB,		\
-                    LFB_MODE, GR_ORIGIN_UPPER_LEFT, FXFALSE, &info ) ) {
-
-#define HW_READ_UNLOCK()						\
-	grLfbUnlock( GR_LFB_READ_ONLY, fxMesa->currentFB );		\
-    }
-
-#define HW_WRITE_CLIPLOOP()						\
-    do {								\
-	/* remember, we need to flip the scissor, too */		\
-	/* is it better to do it inside fxDDScissor? */			\
-	const int minx = fxMesa->clipMinX;				\
-	const int maxy = Y_FLIP(fxMesa->clipMinY);			\
-	const int maxx = fxMesa->clipMaxX;				\
-	const int miny = Y_FLIP(fxMesa->clipMaxY);
-
-#define HW_READ_CLIPLOOP()						\
-    do {								\
-	/* remember, we need to flip the scissor, too */		\
-	/* is it better to do it inside fxDDScissor? */			\
-	const int minx = fxMesa->clipMinX;				\
-	const int maxy = Y_FLIP(fxMesa->clipMinY);			\
-	const int maxx = fxMesa->clipMaxX;				\
-	const int miny = Y_FLIP(fxMesa->clipMaxY);
-
-#define HW_ENDCLIPLOOP()						\
-    } while (0)
-
-
-/* 16 bit, ARGB1555 color spanline and pixel functions */
-
-#undef LFB_MODE
-#define LFB_MODE	GR_LFBWRITEMODE_1555
-
-#undef BYTESPERPIXEL
-#define BYTESPERPIXEL 2
-
-#undef INIT_MONO_PIXEL
-#define INIT_MONO_PIXEL(p, color) \
-    p = TDFXPACKCOLOR1555( color[RCOMP], color[GCOMP], color[BCOMP], color[ACOMP] )
-
-#define WRITE_RGBA( _x, _y, r, g, b, a )				\
-    *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) =			\
-					TDFXPACKCOLOR1555( r, g, b, a )
-
-#define WRITE_PIXEL( _x, _y, p )					\
-    *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) = p
-
-#define READ_RGBA( rgba, _x, _y )					\
-    do {								\
-	GLushort p = *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch);	\
-	rgba[0] = FX_rgb_scale_5[(p >> 10) & 0x1F];			\
-	rgba[1] = FX_rgb_scale_5[(p >> 5)  & 0x1F];			\
-	rgba[2] = FX_rgb_scale_5[ p        & 0x1F];			\
-	rgba[3] = (p & 0x8000) ? 255 : 0;				\
-    } while (0)
-
-#define TAG(x) tdfx##x##_ARGB1555
-#include "../dri/common/spantmp.h"
-
-
-/* 16 bit, RGB565 color spanline and pixel functions */
-/* [dBorca] Hack alert:
- * This is wrong. The alpha value is lost, even when we provide
- * HW alpha (565 w/o depth buffering). To really update alpha buffer,
- * we would need to do the 565 writings via 8888 colorformat and rely
- * on the Voodoo to perform color scaling. In which case our 565 span
- * would look nicer! But this violates FSAA rules...
- */
-
-#undef LFB_MODE
-#define LFB_MODE	GR_LFBWRITEMODE_565
-
-#undef BYTESPERPIXEL
-#define BYTESPERPIXEL 2
-
-#undef INIT_MONO_PIXEL
-#define INIT_MONO_PIXEL(p, color) \
-    p = TDFXPACKCOLOR565( color[RCOMP], color[GCOMP], color[BCOMP] )
-
-#define WRITE_RGBA( _x, _y, r, g, b, a )				\
-    *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) =			\
-					TDFXPACKCOLOR565( r, g, b )
-
-#define WRITE_PIXEL( _x, _y, p )					\
-    *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) = p
-
-#define READ_RGBA( rgba, _x, _y )					\
-    do {								\
-	GLushort p = *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch);	\
-	rgba[0] = FX_rgb_scale_5[(p >> 11) & 0x1F];			\
-	rgba[1] = FX_rgb_scale_6[(p >> 5)  & 0x3F];			\
-	rgba[2] = FX_rgb_scale_5[ p        & 0x1F];			\
-	rgba[3] = 0xff;							\
-    } while (0)
-
-#define TAG(x) tdfx##x##_RGB565
-#include "../dri/common/spantmp.h"
-
-
-/* 32 bit, ARGB8888 color spanline and pixel functions */
-
-#undef LFB_MODE
-#define LFB_MODE	GR_LFBWRITEMODE_8888
-
-#undef BYTESPERPIXEL
-#define BYTESPERPIXEL 4
-
-#undef INIT_MONO_PIXEL
-#define INIT_MONO_PIXEL(p, color) \
-    p = TDFXPACKCOLOR8888( color[RCOMP], color[GCOMP], color[BCOMP], color[ACOMP] )
-
-#define WRITE_RGBA( _x, _y, r, g, b, a )				\
-    *(GLuint *)(buf + _x*BYTESPERPIXEL + _y*pitch) =			\
-					TDFXPACKCOLOR8888( r, g, b, a )
-
-#define WRITE_PIXEL( _x, _y, p )					\
-    *(GLuint *)(buf + _x*BYTESPERPIXEL + _y*pitch) = p
-
-#define READ_RGBA( rgba, _x, _y )					\
-    do {								\
-	GLuint p = *(GLuint *)(buf + _x*BYTESPERPIXEL + _y*pitch);	\
-        rgba[0] = (p >> 16) & 0xff;					\
-        rgba[1] = (p >>  8) & 0xff;					\
-        rgba[2] = (p >>  0) & 0xff;					\
-        rgba[3] = (p >> 24) & 0xff;					\
-    } while (0)
-
-#define TAG(x) tdfx##x##_ARGB8888
-#include "../dri/common/spantmp.h"
-
-
-/************************************************************************/
-/*****                    Depth functions                           *****/
-/************************************************************************/
-
-#define DBG 0
-
-#undef HW_WRITE_LOCK
-#undef HW_WRITE_UNLOCK
-#undef HW_READ_LOCK
-#undef HW_READ_UNLOCK
-
-#define HW_CLIPLOOP HW_WRITE_CLIPLOOP
-
-#define LOCAL_DEPTH_VARS						\
-    GLuint pitch = info.strideInBytes;					\
-    GLuint height = fxMesa->height;					\
-    char *buf = (char *)((char *)info.lfbPtr + 0 /* x, y offset */);	\
-    (void) buf;
-
-#define HW_WRITE_LOCK()							\
-    fxMesaContext fxMesa = FX_CONTEXT(ctx);				\
-    GrLfbInfo_t info;							\
-    info.size = sizeof(GrLfbInfo_t);					\
-    if ( grLfbLock( GR_LFB_WRITE_ONLY,					\
-                   GR_BUFFER_AUXBUFFER, LFB_MODE,			\
-		   GR_ORIGIN_UPPER_LEFT, FXFALSE, &info ) ) {
-
-#define HW_WRITE_UNLOCK()						\
-	grLfbUnlock( GR_LFB_WRITE_ONLY, GR_BUFFER_AUXBUFFER);		\
-    }
-
-#define HW_READ_LOCK()							\
-    fxMesaContext fxMesa = FX_CONTEXT(ctx);				\
-    GrLfbInfo_t info;							\
-    info.size = sizeof(GrLfbInfo_t);					\
-    if ( grLfbLock( GR_LFB_READ_ONLY, GR_BUFFER_AUXBUFFER,		\
-                    LFB_MODE, GR_ORIGIN_UPPER_LEFT, FXFALSE, &info ) ) {
-
-#define HW_READ_UNLOCK()						\
-	grLfbUnlock( GR_LFB_READ_ONLY, GR_BUFFER_AUXBUFFER);		\
-    }
-
-
-/* 16 bit, depth spanline and pixel functions */
-
-#undef LFB_MODE
-#define LFB_MODE	GR_LFBWRITEMODE_ZA16
-
-#undef BYTESPERPIXEL
-#define BYTESPERPIXEL 2
-
-#define WRITE_DEPTH( _x, _y, d )					\
-    *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch) = d
-
-#define READ_DEPTH( d, _x, _y )						\
-    d = *(GLushort *)(buf + _x*BYTESPERPIXEL + _y*pitch)
-
-#define TAG(x) tdfx##x##_Z16
-#include "../dri/common/depthtmp.h"
-
-
-/* 24 bit, depth spanline and pixel functions (for use w/ stencil) */
-/* [dBorca] Hack alert:
- * This is evil. The incoming Mesa's 24bit depth value
- * is shifted left 8 bits, to obtain a full 32bit value,
- * which will be thrown into the framebuffer. We rely on
- * the fact that Voodoo hardware transforms a 32bit value
- * into 24bit value automatically and, MOST IMPORTANT, won't
- * alter the upper 8bits of the value already existing in the
- * framebuffer (where stencil resides).
- */
-
-#undef LFB_MODE
-#define LFB_MODE	GR_LFBWRITEMODE_Z32
-
-#undef BYTESPERPIXEL
-#define BYTESPERPIXEL 4
-
-#define WRITE_DEPTH( _x, _y, d )					\
-    *(GLuint *)(buf + _x*BYTESPERPIXEL + _y*pitch) = d << 8
-
-#define READ_DEPTH( d, _x, _y )						\
-    d = (*(GLuint *)(buf + _x*BYTESPERPIXEL + _y*pitch)) & 0xffffff
-
-#define TAG(x) tdfx##x##_Z24
-#include "../dri/common/depthtmp.h"
-
-
-/* 32 bit, depth spanline and pixel functions (for use w/o stencil) */
-/* [dBorca] Hack alert:
- * This is more evil. We make Mesa run in 32bit depth, but
- * tha Voodoo HW can only handle 24bit depth. Well, exploiting
- * the pixel pipeline, we can achieve 24:8 format for greater
- * precision...
- * If anyone tells me how to really store 32bit values into the
- * depth buffer, I'll write the *_Z32 routines. Howver, bear in
- * mind that means running without stencil!
- */
-
-/************************************************************************/
-/*****                    Span functions (optimized)                *****/
-/************************************************************************/
-
-/*
- * Read a span of 15-bit RGB pixels.  Note, we don't worry about cliprects
- * since OpenGL says obscured pixels have undefined values.
- */
-static void fxReadRGBASpan_ARGB1555 (const GLcontext * ctx,
-                                     struct gl_renderbuffer *rb,
-                                     GLuint n,
-                                     GLint x, GLint y,
-                                     GLubyte rgba[][4])
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- GrLfbInfo_t info;
- info.size = sizeof(GrLfbInfo_t);
- 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 GLushort *data16 = (const GLushort *)((const GLubyte *)info.lfbPtr +
-	                                        (winY - y) * info.strideInBytes +
-                                                (winX + x) * 2);
-    const GLuint *data32 = (const GLuint *) data16;
-    GLuint i, j;
-    GLuint extraPixel = (n & 1);
-    n -= extraPixel;
-
-    for (i = j = 0; i < n; i += 2, j++) {
-	GLuint pixel = data32[j];
-	rgba[i][0] = FX_rgb_scale_5[(pixel >> 10) & 0x1F];
-	rgba[i][1] = FX_rgb_scale_5[(pixel >> 5)  & 0x1F];
-	rgba[i][2] = FX_rgb_scale_5[ pixel        & 0x1F];
-	rgba[i][3] = (pixel & 0x8000) ? 255 : 0;
-	rgba[i+1][0] = FX_rgb_scale_5[(pixel >> 26) & 0x1F];
-	rgba[i+1][1] = FX_rgb_scale_5[(pixel >> 21) & 0x1F];
-	rgba[i+1][2] = FX_rgb_scale_5[(pixel >> 16) & 0x1F];
-	rgba[i+1][3] = (pixel & 0x80000000) ? 255 : 0;
-    }
-    if (extraPixel) {
-       GLushort pixel = data16[n];
-       rgba[n][0] = FX_rgb_scale_5[(pixel >> 10) & 0x1F];
-       rgba[n][1] = FX_rgb_scale_5[(pixel >> 5)  & 0x1F];
-       rgba[n][2] = FX_rgb_scale_5[ pixel        & 0x1F];
-       rgba[n][3] = (pixel & 0x8000) ? 255 : 0;
-    }
-
-    grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB);
- }
-}
-
-/*
- * Read a span of 16-bit RGB pixels.  Note, we don't worry about cliprects
- * since OpenGL says obscured pixels have undefined values.
- */
-static void fxReadRGBASpan_RGB565 (const GLcontext * ctx,
-                                   struct gl_renderbuffer *rb,
-                                   GLuint n,
-                                   GLint x, GLint y,
-                                   GLubyte rgba[][4])
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- GrLfbInfo_t info;
- info.size = sizeof(GrLfbInfo_t);
- 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 GLushort *data16 = (const GLushort *)((const GLubyte *)info.lfbPtr +
-	                                        (winY - y) * info.strideInBytes +
-                                                (winX + x) * 2);
-    const GLuint *data32 = (const GLuint *) data16;
-    GLuint i, j;
-    GLuint extraPixel = (n & 1);
-    n -= extraPixel;
-
-    for (i = j = 0; i < n; i += 2, j++) {
-        GLuint pixel = data32[j];
-	rgba[i][0] = FX_rgb_scale_5[(pixel >> 11) & 0x1F];
-	rgba[i][1] = FX_rgb_scale_6[(pixel >> 5)  & 0x3F];
-	rgba[i][2] = FX_rgb_scale_5[ pixel        & 0x1F];
-	rgba[i][3] = 255;
-	rgba[i+1][0] = FX_rgb_scale_5[(pixel >> 27) & 0x1F];
-	rgba[i+1][1] = FX_rgb_scale_6[(pixel >> 21) & 0x3F];
-	rgba[i+1][2] = FX_rgb_scale_5[(pixel >> 16) & 0x1F];
-	rgba[i+1][3] = 255;
-    }
-    if (extraPixel) {
-       GLushort pixel = data16[n];
-       rgba[n][0] = FX_rgb_scale_5[(pixel >> 11) & 0x1F];
-       rgba[n][1] = FX_rgb_scale_6[(pixel >> 5)  & 0x3F];
-       rgba[n][2] = FX_rgb_scale_5[ pixel        & 0x1F];
-       rgba[n][3] = 255;
-    }
-
-    grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB);
- }
-}
-
-/*
- * Read a span of 32-bit RGB pixels.  Note, we don't worry about cliprects
- * since OpenGL says obscured pixels have undefined values.
- */
-static void fxReadRGBASpan_ARGB8888 (const GLcontext * ctx,
-                                     struct gl_renderbuffer *rb,
-                                     GLuint n,
-                                     GLint x, GLint y,
-                                     GLubyte rgba[][4])
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- GLuint i;
- grLfbReadRegion(fxMesa->currentFB, x, fxMesa->height - 1 - y, n, 1, n * 4, rgba);
- for (i = 0; i < n; i++) {
-     GLubyte c = rgba[i][0];
-     rgba[i][0] = rgba[i][2];
-     rgba[i][2] = c;
- }
-}
-
-
-/************************************************************************/
-/*****                    Depth functions (optimized)               *****/
-/************************************************************************/
-
-static void
-fxReadDepthSpan_Z16(GLcontext * ctx, struct gl_renderbuffer *rb,
-		    GLuint n, GLint x, GLint y, GLdepth depth[])
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   GLint bottom = fxMesa->height - 1;
-   GLushort depth16[MAX_WIDTH];
-   GLuint i;
-
-   if (TDFX_DEBUG & VERBOSE_DRIVER) {
-      fprintf(stderr, "fxReadDepthSpan_Z16(...)\n");
-   }
-
-   grLfbReadRegion(GR_BUFFER_AUXBUFFER, x, bottom - y, n, 1, 0, depth16);
-   for (i = 0; i < n; i++) {
-      depth[i] = depth16[i];
-   }
-}
-
-
-static void
-fxReadDepthSpan_Z24(GLcontext * ctx, struct gl_renderbuffer *rb,
-		    GLuint n, GLint x, GLint y, GLdepth depth[])
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   GLint bottom = fxMesa->height - 1;
-   GLuint i;
-
-   if (TDFX_DEBUG & VERBOSE_DRIVER) {
-      fprintf(stderr, "fxReadDepthSpan_Z24(...)\n");
-   }
-
-   grLfbReadRegion(GR_BUFFER_AUXBUFFER, x, bottom - y, n, 1, 0, depth);
-   for (i = 0; i < n; i++) {
-      depth[i] &= 0xffffff;
-   }
-}
-
-
-/************************************************************************/
-/*****                    Stencil functions (optimized)             *****/
-/************************************************************************/
-
-static void
-fxWriteStencilSpan (GLcontext *ctx, struct gl_renderbuffer *rb,
-                    GLuint n, GLint x, GLint y,
-                    const GLstencil stencil[], const GLubyte mask[])
-{
- /*
-  * XXX todo
-  */
-}
-
-static void
-fxReadStencilSpan(GLcontext * ctx, struct gl_renderbuffer *rb,
-		  GLuint n, GLint x, GLint y, GLstencil stencil[])
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   GLint bottom = fxMesa->height - 1;
-   GLuint zs32[MAX_WIDTH];
-   GLuint i;
-
-   if (TDFX_DEBUG & VERBOSE_DRIVER) {
-      fprintf(stderr, "fxReadStencilSpan(...)\n");
-   }
-
-   grLfbReadRegion(GR_BUFFER_AUXBUFFER, x, bottom - y, n, 1, 0, zs32);
-   for (i = 0; i < n; i++) {
-      stencil[i] = zs32[i] >> 24;
-   }
-}
-
-static void
-fxWriteStencilPixels (GLcontext *ctx, struct gl_renderbuffer *rb, GLuint n,
-                      const GLint x[], const GLint y[],
-                      const GLstencil stencil[],
-                      const GLubyte mask[])
-{
- /*
-  * XXX todo
-  */
-}
-
-static void
-fxReadStencilPixels (GLcontext *ctx, struct gl_renderbuffer *rb, GLuint n,
-                     const GLint x[], const GLint y[],
-                     GLstencil stencil[])
-{
- /*
-  * XXX todo
-  */
-}
-
-
-
-/*
- * This function is called to specify which buffer to read and write
- * for software rasterization (swrast) fallbacks.  This doesn't necessarily
- * correspond to glDrawBuffer() or glReadBuffer() calls.
- */
-static void
-fxDDSetBuffer(GLcontext * ctx, GLframebuffer * buffer, GLuint bufferBit)
-{
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-   (void) buffer;
-
-   if (TDFX_DEBUG & VERBOSE_DRIVER) {
-      fprintf(stderr, "fxDDSetBuffer(%x)\n", (int)bufferBit);
-   }
-
-   if (bufferBit == BUFFER_BIT_FRONT_LEFT) {
-      fxMesa->currentFB = GR_BUFFER_FRONTBUFFER;
-      grRenderBuffer(fxMesa->currentFB);
-   }
-   else if (bufferBit == BUFFER_BIT_BACK_LEFT) {
-      fxMesa->currentFB = GR_BUFFER_BACKBUFFER;
-      grRenderBuffer(fxMesa->currentFB);
-   }
-}
-
-
-/************************************************************************/
-
-
-
-void
-fxSetupDDSpanPointers(GLcontext * ctx)
-{
-   struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx );
-   fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
-   swdd->SetBuffer = fxDDSetBuffer;
-
-   switch (fxMesa->colDepth) {
-          case 15:
-               swdd->WriteRGBASpan = tdfxWriteRGBASpan_ARGB1555;
-               swdd->WriteRGBSpan = tdfxWriteRGBSpan_ARGB1555;
-               swdd->WriteRGBAPixels = tdfxWriteRGBAPixels_ARGB1555;
-               swdd->WriteMonoRGBASpan = tdfxWriteMonoRGBASpan_ARGB1555;
-               swdd->WriteMonoRGBAPixels = tdfxWriteMonoRGBAPixels_ARGB1555;
-               swdd->ReadRGBASpan = /*td*/fxReadRGBASpan_ARGB1555;
-               swdd->ReadRGBAPixels = tdfxReadRGBAPixels_ARGB1555;
-
-               swdd->WriteDepthSpan = tdfxWriteDepthSpan_Z16;
-               swdd->WriteDepthPixels = tdfxWriteDepthPixels_Z16;
-               swdd->ReadDepthSpan = /*td*/fxReadDepthSpan_Z16;
-               swdd->ReadDepthPixels = tdfxReadDepthPixels_Z16;
-               break;
-          case 16:
-               swdd->WriteRGBASpan = tdfxWriteRGBASpan_RGB565;
-               swdd->WriteRGBSpan = tdfxWriteRGBSpan_RGB565;
-               swdd->WriteRGBAPixels = tdfxWriteRGBAPixels_RGB565;
-               swdd->WriteMonoRGBASpan = tdfxWriteMonoRGBASpan_RGB565;
-               swdd->WriteMonoRGBAPixels = tdfxWriteMonoRGBAPixels_RGB565;
-               swdd->ReadRGBASpan = /*td*/fxReadRGBASpan_RGB565;
-               swdd->ReadRGBAPixels = tdfxReadRGBAPixels_RGB565;
-
-               swdd->WriteDepthSpan = tdfxWriteDepthSpan_Z16;
-               swdd->WriteDepthPixels = tdfxWriteDepthPixels_Z16;
-               swdd->ReadDepthSpan = /*td*/fxReadDepthSpan_Z16;
-               swdd->ReadDepthPixels = tdfxReadDepthPixels_Z16;
-               break;
-          case 32:
-               swdd->WriteRGBASpan = tdfxWriteRGBASpan_ARGB8888;
-               swdd->WriteRGBSpan = tdfxWriteRGBSpan_ARGB8888;
-               swdd->WriteRGBAPixels = tdfxWriteRGBAPixels_ARGB8888;
-               swdd->WriteMonoRGBASpan = tdfxWriteMonoRGBASpan_ARGB8888;
-               swdd->WriteMonoRGBAPixels = tdfxWriteMonoRGBAPixels_ARGB8888;
-               swdd->ReadRGBASpan = /*td*/fxReadRGBASpan_ARGB8888;
-               swdd->ReadRGBAPixels = tdfxReadRGBAPixels_ARGB8888;
-
-               swdd->WriteDepthSpan = tdfxWriteDepthSpan_Z24;
-               swdd->WriteDepthPixels = tdfxWriteDepthPixels_Z24;
-               swdd->ReadDepthSpan = /*td*/fxReadDepthSpan_Z24;
-               swdd->ReadDepthPixels = tdfxReadDepthPixels_Z24;
-               break;
-   }
-
-   if (fxMesa->haveHwStencil) {
-      swdd->WriteStencilSpan = fxWriteStencilSpan;
-      swdd->ReadStencilSpan = fxReadStencilSpan;
-      swdd->WriteStencilPixels = fxWriteStencilPixels;
-      swdd->ReadStencilPixels = fxReadStencilPixels;
-   }
-#if 0
-   swdd->WriteCI8Span		= NULL;
-   swdd->WriteCI32Span		= NULL;
-   swdd->WriteMonoCISpan	= NULL;
-   swdd->WriteCI32Pixels	= NULL;
-   swdd->WriteMonoCIPixels	= NULL;
-   swdd->ReadCI32Span		= NULL;
-   swdd->ReadCI32Pixels		= NULL;
-
-   swdd->SpanRenderStart        = tdfxSpanRenderStart; /* BEGIN_BOARD_LOCK */
-   swdd->SpanRenderFinish       = tdfxSpanRenderFinish; /* END_BOARD_LOCK */
-#endif
-}
-
-
-#else
-
-
-/*
- * Need this to provide at least one external definition.
- */
-
-extern int gl_fx_dummy_function_span(void);
-int
-gl_fx_dummy_function_span(void)
-{
-   return 0;
-}
-
-#endif /* FX */