24 files changed, 425 insertions, 377 deletions

diff --git a/src/mesa/swrast/descrip.mms b/src/mesa/swrast/descrip.mms
new file mode 100644
index 0000000000..0b23deb3c2
--- /dev/null
+++ b/src/mesa/swrast/descrip.mms
@@ -0,0 +1,82 @@
+# Makefile for core library for VMS
+# contributed by Jouk Jansen  joukj@hrem.nano.tudelft.nl
+# Last revision : 3 October 2007
+
+.first
+	define gl [---.include.gl]
+	define math [-.math]
+	define swrast [-.swrast]
+	define array_cache [-.array_cache]
+	define glapi [-.glapi]
+	define main [-.main]
+	define shader [-.shader]
+
+.include [---]mms-config.
+
+##### MACROS #####
+
+VPATH = RCS
+
+INCDIR = [---.include],[-.main],[-.glapi],[-.shader],[-.shader.slang]
+LIBDIR = [---.lib]
+CFLAGS = /include=($(INCDIR),[])/define=(PTHREADS=1)/name=(as_is,short)/float=ieee/ieee=denorm
+
+SOURCES = s_aaline.c s_aatriangle.c s_accum.c s_alpha.c \
+	s_bitmap.c s_blend.c s_blit.c s_buffers.c s_context.c \
+	s_copypix.c s_depth.c s_fragprog.c \
+        s_drawpix.c s_feedback.c s_fog.c s_imaging.c s_lines.c s_logic.c \
+	s_masking.c s_points.c s_readpix.c \
+	s_span.c s_stencil.c s_texstore.c s_texcombine.c s_texfilter.c \
+	s_triangle.c s_zoom.c s_atifragshader.c
+ 
+OBJECTS = s_aaline.obj,s_aatriangle.obj,s_accum.obj,s_alpha.obj,\
+	s_bitmap.obj,s_blend.obj,s_blit.obj,s_fragprog.obj,\
+	s_buffers.obj,s_context.obj,s_atifragshader.obj,\
+	s_copypix.obj,s_depth.obj,s_drawpix.obj,s_feedback.obj,s_fog.obj,\
+	s_imaging.obj,s_lines.obj,s_logic.obj,s_masking.obj,\
+	s_points.obj,s_readpix.obj,s_span.obj,s_stencil.obj,\
+	s_texstore.obj,s_texcombine.obj,s_texfilter.obj,s_triangle.obj,\
+	s_zoom.obj
+ 
+##### RULES #####
+
+VERSION=Mesa V3.4
+
+##### TARGETS #####
+# Make the library
+$(LIBDIR)$(GL_LIB) : $(OBJECTS)
+  @ library $(LIBDIR)$(GL_LIB) $(OBJECTS)
+
+clean :
+	purge
+	delete *.obj;*
+
+s_atifragshader.obj : s_atifragshader.c
+s_aaline.obj : s_aaline.c
+s_aatriangle.obj : s_aatriangle.c
+s_accum.obj : s_accum.c
+s_alpha.obj : s_alpha.c
+s_bitmap.obj : s_bitmap.c
+s_blend.obj : s_blend.c
+s_blit.obj : s_blit.c
+s_buffers.obj : s_buffers.c
+s_context.obj : s_context.c
+s_copypix.obj : s_copypix.c
+s_depth.obj : s_depth.c
+s_drawpix.obj : s_drawpix.c
+s_feedback.obj : s_feedback.c
+s_fog.obj : s_fog.c
+s_imaging.obj : s_imaging.c
+s_lines.obj : s_lines.c
+s_logic.obj : s_logic.c
+s_masking.obj : s_masking.c
+s_points.obj : s_points.c
+s_readpix.obj : s_readpix.c
+s_span.obj : s_span.c
+s_stencil.obj : s_stencil.c
+s_texstore.obj : s_texstore.c
+s_texcombine.obj : s_texcombine.c
+s_texfilter.obj : s_texfilter.c
+s_triangle.obj : s_triangle.c
+s_zoom.obj : s_zoom.c
+s_fragprog.obj : s_fragprog.c
diff --git a/src/mesa/swrast/s_aalinetemp.h b/src/mesa/swrast/s_aalinetemp.h
index e7911fec3b..ca08203d83 100644
--- a/src/mesa/swrast/s_aalinetemp.h
+++ b/src/mesa/swrast/s_aalinetemp.h
@@ -141,6 +141,7 @@ NAME(line)(GLcontext *ctx, const SWvertex *v0, const SWvertex *v1)
 
    INIT_SPAN(line.span, GL_LINE);
    line.span.arrayMask = SPAN_XY | SPAN_COVERAGE;
+   line.span.facing = swrast->PointLineFacing;
    line.xAdj = line.dx / line.len * line.halfWidth;
    line.yAdj = line.dy / line.len * line.halfWidth;
 
diff --git a/src/mesa/swrast/s_aatritemp.h b/src/mesa/swrast/s_aatritemp.h
index 42d74a1632..0827b3db9e 100644
--- a/src/mesa/swrast/s_aatritemp.h
+++ b/src/mesa/swrast/s_aatritemp.h
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.3
+ * Version:  7.0.3
  *
  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
@@ -65,7 +65,7 @@
    GLfloat attrPlane[FRAG_ATTRIB_MAX][4][4];
    GLfloat wPlane[4];  /* win[3] */
 #endif
-   GLfloat bf = SWRAST_CONTEXT(ctx)->_BackfaceSign;
+   GLfloat bf = SWRAST_CONTEXT(ctx)->_BackfaceCullSign;
    
    (void) swrast;
 
@@ -104,6 +104,7 @@
    majDx = vMax->attrib[FRAG_ATTRIB_WPOS][0] - vMin->attrib[FRAG_ATTRIB_WPOS][0];
    majDy = vMax->attrib[FRAG_ATTRIB_WPOS][1] - vMin->attrib[FRAG_ATTRIB_WPOS][1];
 
+   /* front/back-face determination and cullling */
    {
       const GLfloat botDx = vMid->attrib[FRAG_ATTRIB_WPOS][0] - vMin->attrib[FRAG_ATTRIB_WPOS][0];
       const GLfloat botDy = vMid->attrib[FRAG_ATTRIB_WPOS][1] - vMin->attrib[FRAG_ATTRIB_WPOS][1];
@@ -112,6 +113,8 @@
       if (area * bf < 0 || area == 0 || IS_INF_OR_NAN(area))
 	 return;
       ltor = (GLboolean) (area < 0.0F);
+
+      span.facing = area * swrast->_BackfaceSign > 0.0F;
    }
 
    /* Plane equation setup:
@@ -286,7 +289,7 @@
          }
 
          /* skip fragments with zero coverage */
-         while (startX >= 0) {
+         while (startX > 0) {
             coverage = compute_coveragef(pMin, pMax, pMid, startX, iy);
             if (coverage > 0.0F)
                break;
@@ -300,6 +303,7 @@
             /* (cx,cy) = center of fragment */
             const GLfloat cx = ix + 0.5F, cy = iy + 0.5F;
             SWspanarrays *array = span.array;
+            ASSERT(ix >= 0);
 #ifdef DO_INDEX
             array->coverage[ix] = (GLfloat) compute_coveragei(pMin, pMax, pMid, ix, iy);
 #else
diff --git a/src/mesa/swrast/s_accum.c b/src/mesa/swrast/s_accum.c
index 13a42fdf53..1d1cdf23d1 100644
--- a/src/mesa/swrast/s_accum.c
+++ b/src/mesa/swrast/s_accum.c
@@ -525,8 +525,8 @@ accum_return(GLcontext *ctx, GLfloat value,
          }
 
          /* store colors */
-         for (buffer = 0; buffer < fb->_NumColorDrawBuffers[0]; buffer++) {
-            struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[0][buffer];
+         for (buffer = 0; buffer < fb->_NumColorDrawBuffers; buffer++) {
+            struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[buffer];
             if (masking) {
                _swrast_mask_rgba_span(ctx, rb, &span);
             }
diff --git a/src/mesa/swrast/s_blend.c b/src/mesa/swrast/s_blend.c
index 7fd8945354..95c83432a9 100644
--- a/src/mesa/swrast/s_blend.c
+++ b/src/mesa/swrast/s_blend.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.2
+ * Version:  7.1
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2008  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"),
@@ -880,7 +880,8 @@ blend_general(GLcontext *ctx, GLuint n, const GLubyte mask[],
       }
    }
    else {
-      blend_general_float(ctx, n, mask, rgbaF, destF, chanType);
+      blend_general_float(ctx, n, mask, (GLfloat (*)[4]) src,
+                          (GLfloat (*)[4]) dst, chanType);
    }
 }
 
diff --git a/src/mesa/swrast/s_blit.c b/src/mesa/swrast/s_blit.c
index 0e12dfa1da..bc4b2ac625 100644
--- a/src/mesa/swrast/s_blit.c
+++ b/src/mesa/swrast/s_blit.c
@@ -135,7 +135,7 @@ blit_nearest(GLcontext *ctx,
    switch (buffer) {
    case GL_COLOR_BUFFER_BIT:
       readRb = ctx->ReadBuffer->_ColorReadBuffer;
-      drawRb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];
+      drawRb = ctx->DrawBuffer->_ColorDrawBuffers[0];
       comps = 4;
       break;
    case GL_DEPTH_BUFFER_BIT:
@@ -319,7 +319,7 @@ blit_linear(GLcontext *ctx,
             GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1)
 {
    struct gl_renderbuffer *readRb = ctx->ReadBuffer->_ColorReadBuffer;
-   struct gl_renderbuffer *drawRb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];
+   struct gl_renderbuffer *drawRb = ctx->DrawBuffer->_ColorDrawBuffers[0];
 
    const GLint srcWidth = ABS(srcX1 - srcX0);
    const GLint dstWidth = ABS(dstX1 - dstX0);
@@ -493,7 +493,7 @@ simple_blit(GLcontext *ctx,
    switch (buffer) {
    case GL_COLOR_BUFFER_BIT:
       readRb = ctx->ReadBuffer->_ColorReadBuffer;
-      drawRb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];
+      drawRb = ctx->DrawBuffer->_ColorDrawBuffers[0];
       comps = 4;
       break;
    case GL_DEPTH_BUFFER_BIT:
@@ -745,6 +745,9 @@ _swrast_BlitFramebuffer(GLcontext *ctx,
    };
    GLint i;
 
+   if (!ctx->DrawBuffer->_NumColorDrawBuffers)
+      return;
+
    if (!clip_blit(ctx, &srcX0, &srcY0, &srcX1, &srcY1,
                   &dstX0, &dstY0, &dstX1, &dstY1)) {
       return;
diff --git a/src/mesa/swrast/s_buffers.c b/src/mesa/swrast/s_buffers.c
index a70f474587..9e87d6d485 100644
--- a/src/mesa/swrast/s_buffers.c
+++ b/src/mesa/swrast/s_buffers.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.2
+ * Version:  7.1
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2008  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"),
@@ -251,7 +251,7 @@ static void
 clear_color_buffers(GLcontext *ctx)
 {
    GLboolean masking;
-   GLuint i;
+   GLuint buf;
 
    if (ctx->Visual.rgbMode) {
       if (ctx->Color.ColorMask[0] && 
@@ -265,7 +265,7 @@ clear_color_buffers(GLcontext *ctx)
       }
    }
    else {
-      struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];
+      struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];
       const GLuint indexBits = (1 << rb->IndexBits) - 1;
       if ((ctx->Color.IndexMask & indexBits) == indexBits) {
          masking = GL_FALSE;
@@ -275,8 +275,8 @@ clear_color_buffers(GLcontext *ctx)
       }
    }
 
-   for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers[0]; i++) {
-      struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][i];
+   for (buf = 0; buf < ctx->DrawBuffer->_NumColorDrawBuffers; buf++) {
+      struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[buf];
       if (ctx->Visual.rgbMode) {
          if (masking) {
             clear_rgba_buffer_with_masking(ctx, rb);
@@ -331,7 +331,8 @@ _swrast_Clear(GLcontext *ctx, GLbitfield buffers)
 
    /* do software clearing here */
    if (buffers) {
-      if (buffers & ctx->DrawBuffer->_ColorDrawBufferMask[0]) {
+      if ((buffers & BUFFER_BITS_COLOR)
+          && (ctx->DrawBuffer->_NumColorDrawBuffers > 0)) {
          clear_color_buffers(ctx);
       }
       if (buffers & BUFFER_BIT_DEPTH) {
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index 4d9b956f85..2dea895399 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -2,7 +2,7 @@
  * Mesa 3-D graphics library
  * Version:  7.1
  *
- * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2008  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"),
@@ -33,6 +33,7 @@
 #include "main/mtypes.h"
 #include "teximage.h"
 #include "swrast.h"
+#include "shader/prog_parameter.h"
 #include "shader/prog_statevars.h"
 #include "s_blend.h"
 #include "s_context.h"
@@ -87,7 +88,7 @@ _swrast_update_rasterflags( GLcontext *ctx )
     * MULTI_DRAW_BIT flag.  Also set it if we're drawing to no
     * buffers or the RGBA or CI mask disables all writes.
     */
-   if (ctx->DrawBuffer->_NumColorDrawBuffers[0] != 1) {
+   if (ctx->DrawBuffer->_NumColorDrawBuffers != 1) {
       /* more than one color buffer designated for writing (or zero buffers) */
       rasterMask |= MULTI_DRAW_BIT;
    }
@@ -117,8 +118,8 @@ _swrast_update_rasterflags( GLcontext *ctx )
 
 
 /**
- * Examine polycon culls tate to compute the _BackfaceSign field.
- * _BackfaceSign will be 0 if no culling, -1 if culling back-faces,
+ * Examine polygon cull state to compute the _BackfaceCullSign field.
+ * _BackfaceCullSign will be 0 if no culling, -1 if culling back-faces,
  * and 1 if culling front-faces.  The Polygon FrontFace state also
  * factors in.
  */
@@ -128,31 +129,32 @@ _swrast_update_polygon( GLcontext *ctx )
    GLfloat backface_sign;
 
    if (ctx->Polygon.CullFlag) {
-      backface_sign = 1.0;
       switch (ctx->Polygon.CullFaceMode) {
       case GL_BACK:
-	 if (ctx->Polygon.FrontFace == GL_CCW)
-	    backface_sign = -1.0;
+         backface_sign = -1.0;
 	 break;
       case GL_FRONT:
-	 if (ctx->Polygon.FrontFace != GL_CCW)
-	    backface_sign = -1.0;
+         backface_sign = 1.0;
 	 break;
       case GL_FRONT_AND_BACK:
          /* fallthrough */
       default:
 	 backface_sign = 0.0;
-	 break;
       }
    }
    else {
       backface_sign = 0.0;
    }
 
-   SWRAST_CONTEXT(ctx)->_BackfaceSign = backface_sign;
+   SWRAST_CONTEXT(ctx)->_BackfaceCullSign = backface_sign;
+
+   /* This is for front/back-face determination, but not for culling */
+   SWRAST_CONTEXT(ctx)->_BackfaceSign
+      = (ctx->Polygon.FrontFace == GL_CW) ? -1.0 : 1.0;
 }
 
 
+
 /**
  * Update the _PreferPixelFog field to indicate if we need to compute
  * fog blend factors (from the fog coords) per-fragment.
@@ -500,6 +502,13 @@ _swrast_invalidate_state( GLcontext *ctx, GLbitfield new_state )
       new_state = ~0;
    }
 
+   {
+      const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
+      if (fp && (fp->Base.Parameters->StateFlags & new_state)) {
+         _mesa_load_state_parameters(ctx, fp->Base.Parameters);
+      }
+   }
+
    if (new_state & swrast->InvalidateTriangleMask)
       swrast->Triangle = _swrast_validate_triangle;
 
@@ -598,44 +607,6 @@ _swrast_update_active_attribs(GLcontext *ctx)
 }
 
 
-/**
- * Update the swrast->_ColorOutputsMask which indicates which color
- * renderbuffers (aka rendertargets) are being written to by the current
- * fragment program.
- * We also take glDrawBuffers() into account to skip outputs that are
- * set to GL_NONE.
- */
-static void
-_swrast_update_color_outputs(GLcontext *ctx)
-{
-   SWcontext *swrast = SWRAST_CONTEXT(ctx);
-   const struct gl_framebuffer *fb = ctx->DrawBuffer;
-
-   swrast->_ColorOutputsMask = 0;
-   swrast->_NumColorOutputs = 0;
-
-   if (ctx->FragmentProgram._Current) {
-      const GLbitfield outputsWritten
-         = ctx->FragmentProgram._Current->Base.OutputsWritten;
-      GLuint output;
-      for (output = 0; output < ctx->Const.MaxDrawBuffers; output++) {
-         if ((outputsWritten & (1 << (FRAG_RESULT_DATA0 + output)))
-             && (fb->_NumColorDrawBuffers[output] > 0)) {
-            swrast->_ColorOutputsMask |= (1 << output);
-            swrast->_NumColorOutputs = output + 1;
-         }
-      }
-   }
-   if (swrast->_ColorOutputsMask == 0x0) {
-      /* no fragment program, or frag prog didn't write to gl_FragData[] */
-      if (fb->_NumColorDrawBuffers[0] > 0) {
-         swrast->_ColorOutputsMask = 0x1;
-         swrast->_NumColorOutputs = 1;
-      }
-   }
-}
-
-
 void
 _swrast_validate_derived( GLcontext *ctx )
 {
@@ -685,9 +656,6 @@ _swrast_validate_derived( GLcontext *ctx )
                               _NEW_TEXTURE))
          _swrast_update_active_attribs(ctx);
 
-      if (swrast->NewState & (_NEW_PROGRAM | _NEW_BUFFERS))
-         _swrast_update_color_outputs(ctx);
-
       swrast->NewState = 0;
       swrast->StateChanges = 0;
       swrast->InvalidateState = _swrast_invalidate_state;
@@ -767,6 +735,12 @@ _swrast_ResetLineStipple( GLcontext *ctx )
 }
 
 void
+_swrast_SetFacing(GLcontext *ctx, GLuint facing)
+{
+   SWRAST_CONTEXT(ctx)->PointLineFacing = facing;
+}
+
+void
 _swrast_allow_vertex_fog( GLcontext *ctx, GLboolean value )
 {
    if (SWRAST_DEBUG) {
@@ -869,6 +843,8 @@ _swrast_DestroyContext( GLcontext *ctx )
    }
 
    FREE( swrast->SpanArrays );
+   if (swrast->ZoomedArrays)
+      FREE( swrast->ZoomedArrays );
    FREE( swrast->TexelBuffer );
    FREE( swrast );
 
diff --git a/src/mesa/swrast/s_context.h b/src/mesa/swrast/s_context.h
index daa07e1578..a511d1c9a1 100644
--- a/src/mesa/swrast/s_context.h
+++ b/src/mesa/swrast/s_context.h
@@ -128,17 +128,14 @@ typedef struct
     * _swrast_validate_derived():
     */
    GLbitfield _RasterMask;
-   GLfloat _BackfaceSign;
+   GLfloat _BackfaceSign;      /** +1 or -1 */
+   GLfloat _BackfaceCullSign;  /** +1, 0, or -1 */
    GLboolean _PreferPixelFog;    /* Compute fog blend factor per fragment? */
    GLboolean _AnyTextureCombine;
    GLboolean _FogEnabled;
    GLboolean _DeferredTexture;
    GLenum _FogMode;  /* either GL_FOG_MODE or fragment program's fog mode */
 
-   /** Multiple render targets */
-   GLbitfield _ColorOutputsMask;
-   GLuint _NumColorOutputs;
-
    /** List/array of the fragment attributes to interpolate */
    GLuint _ActiveAttribs[FRAG_ATTRIB_MAX];
    /** Same info, but as a bitmask */
@@ -156,6 +153,7 @@ typedef struct
    /* Working values:
     */
    GLuint StippleCounter;    /**< Line stipple counter */
+   GLuint PointLineFacing;
    GLbitfield NewState;
    GLuint StateChanges;
    GLenum Primitive;    /* current primitive being drawn (ala glBegin) */
@@ -208,6 +206,7 @@ typedef struct
     * on some systems.
     */
    SWspanarrays *SpanArrays;
+   SWspanarrays *ZoomedArrays;  /**< For pixel zooming */
 
    /**
     * Used to buffer N GL_POINTS, instead of rendering one by one.
diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c
index 7385a9942c..b5ffb6aa1e 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.3
+ * Version:  7.1
  *
  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
@@ -71,13 +71,20 @@ regions_overlap(GLint srcx, GLint srcy,
    }
    else {
       /* add one pixel of slop when zooming, just to be safe */
-      if ((srcx > dstx + (width * zoomX) + 1) || (srcx + width + 1 < dstx)) {
+      if (srcx > (dstx + ((zoomX > 0.0F) ? (width * zoomX + 1.0F) : 0.0F))) {
+         /* src is completely right of dest */
+         return GL_FALSE;
+      }
+      else if (srcx + width + 1.0F < dstx + ((zoomX > 0.0F) ? 0.0F : (width * zoomX))) {
+         /* src is completely left of dest */
          return GL_FALSE;
       }
       else if ((srcy < dsty) && (srcy + height < dsty + (height * zoomY))) {
+         /* src is completely below dest */
          return GL_FALSE;
       }
       else if ((srcy > dsty) && (srcy + height > dsty + (height * zoomY))) {
+         /* src is completely above dest */
          return GL_FALSE;
       }
       else {
@@ -823,10 +830,10 @@ fast_copy_pixels(GLcontext *ctx,
    }
 
    if (type == GL_COLOR) {
-      if (dstFb->_NumColorDrawBuffers[0] != 1)
+      if (dstFb->_NumColorDrawBuffers != 1)
          return GL_FALSE;
       srcRb = srcFb->_ColorReadBuffer;
-      dstRb = dstFb->_ColorDrawBuffers[0][0];
+      dstRb = dstFb->_ColorDrawBuffers[0];
    }
    else if (type == GL_STENCIL) {
       srcRb = srcFb->_StencilBuffer;
diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c
index d1120d2cee..72398f9ec1 100644
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -53,8 +53,8 @@ fast_draw_rgba_pixels(GLcontext *ctx, GLint x, GLint y,
                       const GLvoid *pixels)
 {
    const GLint imgX = x, imgY = y;
-   struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];
-   const GLenum rbType = rb->DataType;
+   struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];
+   GLenum rbType;
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    SWspan span;
    GLboolean simpleZoom;
@@ -62,6 +62,11 @@ fast_draw_rgba_pixels(GLcontext *ctx, GLint x, GLint y,
    struct gl_pixelstore_attrib unpack;
    GLint destX, destY, drawWidth, drawHeight; /* post clipping */
 
+   if (!rb)
+      return GL_TRUE; /* no-op */
+
+   rbType = rb->DataType;
+
    if ((swrast->_RasterMask & ~CLIP_BIT) ||
        ctx->Texture._EnabledCoordUnits ||
        userUnpack->SwapBytes ||
@@ -608,8 +613,8 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
                        IMAGE_POST_CONVOLUTION_SCALE_BIAS);
    }
 
-   if (ctx->DrawBuffer->_NumColorDrawBuffers[0] > 0 &&
-       ctx->DrawBuffer->_ColorDrawBuffers[0][0]->DataType != GL_FLOAT &&
+   if (ctx->DrawBuffer->_NumColorDrawBuffers > 0 &&
+       ctx->DrawBuffer->_ColorDrawBuffers[0]->DataType != GL_FLOAT &&
        ctx->Color.ClampFragmentColor != GL_FALSE) {
       /* need to clamp colors before applying fragment ops */
       transferOps |= IMAGE_CLAMP_BIT;
@@ -834,9 +839,11 @@ _swrast_DrawPixels( GLcontext *ctx,
    if (swrast->NewState)
       _swrast_validate_derived( ctx );
 
-   pixels = _mesa_map_drawpix_pbo(ctx, unpack, pixels);
-   if (!pixels)
-      return;
+    pixels = _mesa_map_drawpix_pbo(ctx, unpack, pixels);
+    if (!pixels) {
+       RENDER_FINISH(swrast,ctx);
+       return;
+    }
 
    switch (format) {
    case GL_STENCIL_INDEX:
@@ -873,11 +880,9 @@ _swrast_DrawPixels( GLcontext *ctx,
       /* don't return yet, clean-up */
    }
 
-end:
-
    RENDER_FINISH(swrast,ctx);
 
-   _mesa_unmap_drawpix_pbo(ctx, unpack);
+   _mesa_unmap_drapix_pbo(ctx, unpack);
 }
 
 
diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c
index 8eeb40f7c5..525cf9d724 100644
--- a/src/mesa/swrast/s_fragprog.c
+++ b/src/mesa/swrast/s_fragprog.c
@@ -44,7 +44,8 @@ fetch_texel_lod( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda,
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
 
-   lambda = CLAMP(lambda, texObj->MinLod, texObj->MaxLod);
+   if (texObj)
+      lambda = CLAMP(lambda, texObj->MinLod, texObj->MaxLod);
 
    /* XXX use a float-valued TextureSample routine here!!! */
    swrast->TextureSample[unit](ctx, texObj, 1, (const GLfloat (*)[4]) texcoord,
@@ -68,20 +69,23 @@ fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4],
 {
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
-   const struct gl_texture_image *texImg = texObj->Image[0][texObj->BaseLevel];
-   const GLfloat texW = (GLfloat) texImg->WidthScale;
-   const GLfloat texH = (GLfloat) texImg->HeightScale;
+   GLfloat lambda;
    GLchan rgba[4];
 
-   GLfloat lambda
-      = _swrast_compute_lambda(texdx[0], texdy[0], /* ds/dx, ds/dy */
-                               texdx[1], texdy[1], /* dt/dx, dt/dy */
-                               texdx[3], texdy[2], /* dq/dx, dq/dy */
-                               texW, texH,
-                               texcoord[0], texcoord[1], texcoord[3],
-                               1.0F / texcoord[3]) + lodBias;
+   if (texObj) {
+      const struct gl_texture_image *texImg = texObj->Image[0][texObj->BaseLevel];
+      const GLfloat texW = (GLfloat) texImg->WidthScale;
+      const GLfloat texH = (GLfloat) texImg->HeightScale;
 
-   lambda = CLAMP(lambda, texObj->MinLod, texObj->MaxLod);
+      lambda = _swrast_compute_lambda(texdx[0], texdy[0], /* ds/dx, ds/dy */
+                                      texdx[1], texdy[1], /* dt/dx, dt/dy */
+                                      texdx[3], texdy[2], /* dq/dx, dq/dy */
+                                      texW, texH,
+                                      texcoord[0], texcoord[1], texcoord[3],
+                                      1.0F / texcoord[3]) + lodBias;
+
+      lambda = CLAMP(lambda, texObj->MinLod, texObj->MaxLod);
+   }
 
    swrast->TextureSample[unit](ctx, texObj, 1, (const GLfloat (*)[4]) texcoord,
                                &lambda, &rgba);
@@ -124,7 +128,8 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine,
    /* if running a GLSL program (not ARB_fragment_program) */
    if (ctx->Shader.CurrentProgram) {
       /* Store front/back facing value in register FOGC.Y */
-      machine->Attribs[FRAG_ATTRIB_FOGC][col][1] = (GLfloat) ctx->_Facing;
+      machine->Attribs[FRAG_ATTRIB_FOGC][col][1] = 1.0 - span->facing;
+      /* Note FOGC.ZW is gl_PointCoord if drawing a sprite */
    }
 
    machine->CurElement = col;
@@ -171,11 +176,11 @@ run_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end)
                 * Note that colors beyond 0 and 1 will overwrite other
                 * attributes, such as FOGC, TEX0, TEX1, etc.  That's OK.
                 */
-               GLuint output;
-               for (output = 0; output < swrast->_NumColorOutputs; output++) {
-                  if (outputsWritten & (1 << (FRAG_RESULT_DATA0 + output))) {
-                     COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0+output][i],
-                             machine->Outputs[FRAG_RESULT_DATA0 + output]);
+               GLuint buf;
+               for (buf = 0; buf < ctx->DrawBuffer->_NumColorDrawBuffers; buf++) {
+                  if (outputsWritten & (1 << (FRAG_RESULT_DATA0 + buf))) {
+                     COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0 + buf][i],
+                             machine->Outputs[FRAG_RESULT_DATA0 + buf]);
                   }
                }
             }
diff --git a/src/mesa/swrast/s_linetemp.h b/src/mesa/swrast/s_linetemp.h
index 1accfc67e2..1abf8d6c7f 100644
--- a/src/mesa/swrast/s_linetemp.h
+++ b/src/mesa/swrast/s_linetemp.h
@@ -308,6 +308,9 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )
    span.interpMask = interpFlags;
    span.arrayMask = SPAN_XY;
 
+   span.facing = swrast->PointLineFacing;
+
+
    /*
     * Draw
     */
diff --git a/src/mesa/swrast/s_points.c b/src/mesa/swrast/s_points.c
index 9f52da980c..22639c58ff 100644
--- a/src/mesa/swrast/s_points.c
+++ b/src/mesa/swrast/s_points.c
@@ -46,6 +46,38 @@
    } while(0)
 
 
+
+/**
+ * Get/compute the point size.
+ * The size may come from a vertex shader, or computed with attentuation
+ * or just the glPointSize value.
+ * Must also clamp to user-defined range and implmentation limits.
+ */
+static INLINE GLfloat
+get_size(const GLcontext *ctx, const SWvertex *vert, GLboolean smoothed)
+{
+   GLfloat size;
+
+   if (ctx->Point._Attenuated || ctx->VertexProgram.PointSizeEnabled) {
+      /* use vertex's point size */
+      size = vert->pointSize;
+   }
+   else {
+      /* use constant point size */
+      size = ctx->Point.Size;
+   }
+   /* always clamp to user-specified limits */
+   size = CLAMP(size, ctx->Point.MinSize, ctx->Point.MaxSize);
+   /* clamp to implementation limits */
+   if (smoothed)
+      size = CLAMP(size, ctx->Const.MinPointSizeAA, ctx->Const.MaxPointSizeAA);
+   else
+      size = CLAMP(size, ctx->Const.MinPointSize, ctx->Const.MaxPointSize);
+
+   return size;
+}
+
+
 /**
  * Draw a point sprite
  */
@@ -68,23 +100,14 @@ sprite_point(GLcontext *ctx, const SWvertex *vert)
       span.z = (GLuint) (vert->attrib[FRAG_ATTRIB_WPOS][2] + 0.5F);
    span.zStep = 0;
 
-   /* compute size */
-   if (ctx->Point._Attenuated || ctx->VertexProgram.PointSizeEnabled) {
-      /* use vertex's point size */
-      /* first, clamp attenuated size to the user-specifed range */
-      size = CLAMP(vert->pointSize, ctx->Point.MinSize, ctx->Point.MaxSize);
-   }
-   else {
-      /* use constant point size */
-      size = ctx->Point.Size;
-   }
-   /* clamp to non-AA implementation limits */
-   size = CLAMP(size, ctx->Const.MinPointSize, ctx->Const.MaxPointSize);
+   size = get_size(ctx, vert, GL_FALSE);
 
    /* span init */
    INIT_SPAN(span, GL_POINT);
    span.interpMask = SPAN_Z | SPAN_RGBA;
 
+   span.facing = swrast->PointLineFacing;
+
    span.red   = ChanToFixed(vert->color[0]);
    span.green = ChanToFixed(vert->color[1]);
    span.blue  = ChanToFixed(vert->color[2]);
@@ -186,9 +209,10 @@ sprite_point(GLcontext *ctx, const SWvertex *vert)
       }
       else {
          /* even size */
-         xmin = (GLint) x - iRadius + 1;
+         /* 0.501 factor allows conformance to pass */
+         xmin = (GLint) (x + 0.501) - iRadius;
          xmax = xmin + iSize - 1;
-         ymin = (GLint) y - iRadius + 1;
+         ymin = (GLint) (y + 0.501) - iRadius;
          ymax = ymin + iSize - 1;
       }
 
@@ -236,18 +260,7 @@ smooth_point(GLcontext *ctx, const SWvertex *vert)
       span.z = (GLuint) (vert->attrib[FRAG_ATTRIB_WPOS][2] + 0.5F);
    span.zStep = 0;
 
-   /* compute size */
-   if (ctx->Point._Attenuated || ctx->VertexProgram.PointSizeEnabled) {
-      /* use vertex's point size */
-      /* first, clamp attenuated size to the user-specifed range */
-      size = CLAMP(vert->pointSize, ctx->Point.MinSize, ctx->Point.MaxSize);
-   }
-   else {
-      /* use constant point size */
-      size = ctx->Point.Size;
-   }
-   /* clamp to AA implementation limits */
-   size = CLAMP(size, ctx->Const.MinPointSizeAA, ctx->Const.MaxPointSizeAA);
+   size = get_size(ctx, vert, GL_TRUE);
 
    /* alpha attenuation / fade factor */
    if (ctx->Multisample._Enabled) {
@@ -269,6 +282,8 @@ smooth_point(GLcontext *ctx, const SWvertex *vert)
    span.interpMask = SPAN_Z | SPAN_RGBA;
    span.arrayMask = SPAN_COVERAGE | SPAN_MASK;
 
+   span.facing = swrast->PointLineFacing;
+
    span.red   = ChanToFixed(vert->color[0]);
    span.green = ChanToFixed(vert->color[1]);
    span.blue  = ChanToFixed(vert->color[2]);
@@ -370,22 +385,12 @@ large_point(GLcontext *ctx, const SWvertex *vert)
       span.z = (GLuint) (vert->attrib[FRAG_ATTRIB_WPOS][2] + 0.5F);
    span.zStep = 0;
 
-   /* compute size */
-   if (ctx->Point._Attenuated || ctx->VertexProgram.PointSizeEnabled) {
-      /* use vertex's point size */
-      /* first, clamp attenuated size to the user-specifed range */
-      size = CLAMP(vert->pointSize, ctx->Point.MinSize, ctx->Point.MaxSize);
-   }
-   else {
-      /* use constant point size */
-      size = ctx->Point.Size;
-   }
-   /* clamp to non-AA implementation limits */
-   size = CLAMP(size, ctx->Const.MinPointSize, ctx->Const.MaxPointSize);
+   size = get_size(ctx, vert, GL_FALSE);
 
    /* span init */
    INIT_SPAN(span, GL_POINT);
    span.arrayMask = SPAN_XY;
+   span.facing = swrast->PointLineFacing;
 
    if (ciMode) {
       span.interpMask = SPAN_Z | SPAN_INDEX;
@@ -435,9 +440,10 @@ large_point(GLcontext *ctx, const SWvertex *vert)
       }
       else {
          /* even size */
-         xmin = (GLint) x - iRadius + 1;
+         /* 0.501 factor allows conformance to pass */
+         xmin = (GLint) (x + 0.501) - iRadius;
          xmax = xmin + iSize - 1;
-         ymin = (GLint) y - iRadius + 1;
+         ymin = (GLint) (y + 0.501) - iRadius;
          ymax = ymin + iSize - 1;
       }
 
@@ -491,16 +497,21 @@ pixel_point(GLcontext *ctx, const SWvertex *vert)
 
    /* check if we need to flush */
    if (span->end >= MAX_WIDTH ||
-       (swrast->_RasterMask & (BLEND_BIT | LOGIC_OP_BIT | MASKING_BIT))) {
-      if (ciMode)
-         _swrast_write_index_span(ctx, span);
-      else
-         _swrast_write_rgba_span(ctx, span);
-      span->end = 0;
+       (swrast->_RasterMask & (BLEND_BIT | LOGIC_OP_BIT | MASKING_BIT)) ||
+       span->facing != swrast->PointLineFacing) {
+      if (span->end > 0) {
+         if (ciMode)
+            _swrast_write_index_span(ctx, span);
+         else
+            _swrast_write_rgba_span(ctx, span);
+         span->end = 0;
+      }
    }
 
    count = span->end;
 
+   span->facing = swrast->PointLineFacing;
+
    /* fragment attributes */
    if (ciMode) {
       span->array->index[count] = (GLuint) vert->attrib[FRAG_ATTRIB_CI][0];
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 6186f92899..8fa95ded18 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.3
+ * Version:  7.0.3
  *
  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
@@ -129,7 +129,8 @@ read_depth_pixels( GLcontext *ctx,
          rb->GetRow(ctx, rb, width, x, y, dest);
          /* convert range from 24-bit to 32-bit */
          for (k = 0; k < width; k++) {
-            dest[k] = (dest[k] << 8) | (dest[k] >> 24);
+            /* Note: put MSByte of 24-bit value into LSByte */
+            dest[k] = (dest[k] << 8) | ((dest[k] >> 16) & 0xff);
          }
       }
    }
@@ -569,13 +570,14 @@ _swrast_ReadPixels( GLcontext *ctx,
    /* Do all needed clipping here, so that we can forget about it later */
    if (!_mesa_clip_readpixels(ctx, &x, &y, &width, &height, &clippedPacking)) {
       /* The ReadPixels region is totally outside the window bounds */
-      goto end;
+      RENDER_FINISH(swrast, ctx);
+      return;
    }
 
    pixels = _mesa_map_readpix_pbo(ctx, &clippedPacking, pixels);
    if (!pixels)
       return;
-
+  
    switch (format) {
       case GL_COLOR_INDEX:
          read_index_pixels(ctx, x, y, width, height, type, pixels,
@@ -612,8 +614,6 @@ _swrast_ReadPixels( GLcontext *ctx,
          /* don't return yet, clean-up */
    }
 
-
-end:
    RENDER_FINISH(swrast, ctx);
 
    _mesa_unmap_readpix_pbo(ctx, &clippedPacking);
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index 457dc4a6ce..01b490f38f 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -64,8 +64,11 @@ _swrast_span_default_attribs(GLcontext *ctx, SWspan *span)
       const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF;
       if (ctx->DrawBuffer->Visual.depthBits <= 16)
          span->z = FloatToFixed(ctx->Current.RasterPos[2] * depthMax + 0.5F);
-      else
-         span->z = (GLint) (ctx->Current.RasterPos[2] * depthMax + 0.5F);
+      else {
+         GLfloat tmpf = ctx->Current.RasterPos[2] * depthMax; 
+         tmpf = MIN2(tmpf, depthMax);
+         span->z = (GLint)tmpf;
+      }
       span->zStep = 0;
       span->interpMask |= SPAN_Z;
    }
@@ -789,6 +792,7 @@ _swrast_write_index_span( GLcontext *ctx, SWspan *span)
    const SWcontext *swrast = SWRAST_CONTEXT(ctx);
    const GLbitfield origInterpMask = span->interpMask;
    const GLbitfield origArrayMask = span->arrayMask;
+   struct gl_framebuffer *fb = ctx->DrawBuffer;
 
    ASSERT(span->end <= MAX_WIDTH);
    ASSERT(span->primitive == GL_POINT  ||  span->primitive == GL_LINE ||
@@ -815,7 +819,7 @@ _swrast_write_index_span( GLcontext *ctx, SWspan *span)
    }
 
    /* Depth bounds test */
-   if (ctx->Depth.BoundsTest && ctx->DrawBuffer->Visual.depthBits > 0) {
+   if (ctx->Depth.BoundsTest && fb->Visual.depthBits > 0) {
       if (!_swrast_depth_bounds_test(ctx, span)) {
          return;
       }
@@ -827,10 +831,10 @@ _swrast_write_index_span( GLcontext *ctx, SWspan *span)
       GLuint i;
       for (i = 0; i < span->end; i++) {
          if (span->array->mask[i]) {
-            assert(span->array->x[i] >= ctx->DrawBuffer->_Xmin);
-            assert(span->array->x[i] < ctx->DrawBuffer->_Xmax);
-            assert(span->array->y[i] >= ctx->DrawBuffer->_Ymin);
-            assert(span->array->y[i] < ctx->DrawBuffer->_Ymax);
+            assert(span->array->x[i] >= fb->_Xmin);
+            assert(span->array->x[i] < fb->_Xmax);
+            assert(span->array->y[i] >= fb->_Ymin);
+            assert(span->array->y[i] < fb->_Ymax);
          }
       }
    }
@@ -873,7 +877,7 @@ _swrast_write_index_span( GLcontext *ctx, SWspan *span)
 #endif
 
    /* we have to wait until after occlusion to do this test */
-   if (ctx->Color.DrawBuffer == GL_NONE || ctx->Color.IndexMask == 0) {
+   if (ctx->Color.IndexMask == 0) {
       /* write no pixels */
       span->arrayMask = origArrayMask;
       return;
@@ -909,22 +913,21 @@ _swrast_write_index_span( GLcontext *ctx, SWspan *span)
     * Write to renderbuffers
     */
    {
-      struct gl_framebuffer *fb = ctx->DrawBuffer;
-      const GLuint output = 0; /* only frag progs can write to other outputs */
-      const GLuint numDrawBuffers = fb->_NumColorDrawBuffers[output];
-      GLuint indexSave[MAX_WIDTH];
+      const GLuint numBuffers = fb->_NumColorDrawBuffers;
       GLuint buf;
 
-      if (numDrawBuffers > 1) {
-         /* save indexes for second, third renderbuffer writes */
-         _mesa_memcpy(indexSave, span->array->index,
-                      span->end * sizeof(indexSave[0]));
-      }
+      for (buf = 0; buf < numBuffers; buf++) {
+         struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[buf];
+         GLuint indexSave[MAX_WIDTH];
 
-      for (buf = 0; buf < fb->_NumColorDrawBuffers[output]; buf++) {
-         struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[output][buf];
          ASSERT(rb->_BaseFormat == GL_COLOR_INDEX);
 
+         if (numBuffers > 1) {
+            /* save indexes for second, third renderbuffer writes */
+            _mesa_memcpy(indexSave, span->array->index,
+                         span->end * sizeof(indexSave[0]));
+         }
+
          if (ctx->Color.IndexLogicOpEnabled) {
             _swrast_logicop_ci_span(ctx, rb, span);
          }
@@ -999,7 +1002,7 @@ _swrast_write_index_span( GLcontext *ctx, SWspan *span)
             }
          }
 
-         if (buf + 1 < numDrawBuffers) {
+         if (buf + 1 < numBuffers) {
             /* restore original span values */
             _mesa_memcpy(span->array->index, indexSave,
                          span->end * sizeof(indexSave[0]));
@@ -1116,7 +1119,7 @@ clamp_colors(SWspan *span)
 
 /**
  * Convert the span's color arrays to the given type.
- * The only way 'output' can be greater than one is when we have a fragment
+ * The only way 'output' can be greater than zero is when we have a fragment
  * program that writes to gl_FragData[1] or higher.
  * \param output  which fragment program color output is being processed
  */
@@ -1180,8 +1183,10 @@ shade_texture_span(GLcontext *ctx, SWspan *span)
       if (span->primitive == GL_BITMAP && span->array->ChanType != GL_FLOAT) {
          convert_color_type(span, GL_FLOAT, 0);
       }
-      if (span->primitive != GL_POINT || ctx->Point.PointSprite) {
-         /* for points, we populated the arrays already */
+      if (span->primitive != GL_POINT ||
+	  (span->interpMask & SPAN_RGBA) ||
+	  ctx->Point.PointSprite) {
+         /* for single-pixel points, we populated the arrays already */
          interpolate_active_attribs(ctx, span, ~0);
       }
       span->array->ChanType = GL_FLOAT;
@@ -1246,7 +1251,6 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
                              || ctx->ATIFragmentShader._Enabled);
    const GLboolean shaderOrTexture = shader || ctx->Texture._EnabledUnits;
    struct gl_framebuffer *fb = ctx->DrawBuffer;
-   GLuint output;
 
    /*
    printf("%s()  interp 0x%x  array 0x%x\n", __FUNCTION__,
@@ -1396,67 +1400,67 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
    /*
     * Write to renderbuffers
     */
-   /* Loop over color outputs (GL_ARB_draw_buffers) written by frag prog */
-   for (output = 0; output < swrast->_NumColorOutputs; output++) {
-      if (swrast->_ColorOutputsMask & (1 << output)) {
-        const GLuint numDrawBuffers = fb->_NumColorDrawBuffers[output];
-        GLchan rgbaSave[MAX_WIDTH][4];
-        GLuint buf;
-
-        ASSERT(numDrawBuffers > 0);
-
-        if (fb->_ColorDrawBuffers[output][0]->DataType
-            != span->array->ChanType || output > 0) {
-           convert_color_type(span,
-                              fb->_ColorDrawBuffers[output][0]->DataType,
-                              output);
-        }
-
-        if (numDrawBuffers > 1) {
-           /* save colors for second, third renderbuffer writes */
-           _mesa_memcpy(rgbaSave, span->array->rgba,
-                        4 * span->end * sizeof(GLchan));
-        }
-
-        /* Loop over renderbuffers (i.e. GL_FRONT_AND_BACK) */
-        for (buf = 0; buf < numDrawBuffers; buf++) {
-           struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[output][buf];
-           ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB);
-
-           if (ctx->Color._LogicOpEnabled) {
-              _swrast_logicop_rgba_span(ctx, rb, span);
-           }
-           else if (ctx->Color.BlendEnabled) {
-              _swrast_blend_span(ctx, rb, span);
-           }
-
-           if (colorMask != 0xffffffff) {
-              _swrast_mask_rgba_span(ctx, rb, span);
-           }
-
-           if (span->arrayMask & SPAN_XY) {
-              /* array of pixel coords */
-              ASSERT(rb->PutValues);
-              rb->PutValues(ctx, rb, span->end,
-                            span->array->x, span->array->y,
-                            span->array->rgba, span->array->mask);
-           }
-           else {
-              /* horizontal run of pixels */
-              ASSERT(rb->PutRow);
-              rb->PutRow(ctx, rb, span->end, span->x, span->y,
-                         span->array->rgba,
-                         span->writeAll ? NULL: span->array->mask);
-           }
-
-           if (buf + 1 < numDrawBuffers) {
-              /* restore original span values */
-              _mesa_memcpy(span->array->rgba, rgbaSave,
-                           4 * span->end * sizeof(GLchan));
-           }
-        } /* for buf */
-      } /* if output is written to */
-   } /* for output */
+   {
+      const GLuint numBuffers = fb->_NumColorDrawBuffers;
+      const GLboolean multiFragOutputs = numBuffers > 1;
+      GLuint buf;
+
+      for (buf = 0; buf < numBuffers; buf++) {
+         struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[buf];
+
+         /* color[fragOutput] will be written to buffer[buf] */
+
+         if (rb) {
+            GLchan rgbaSave[MAX_WIDTH][4];
+            const GLuint fragOutput = multiFragOutputs ? buf : 0;
+
+            if (rb->DataType != span->array->ChanType || fragOutput > 0) {
+               convert_color_type(span, rb->DataType, fragOutput);
+            }
+
+            if (!multiFragOutputs && numBuffers > 1) {
+               /* save colors for second, third renderbuffer writes */
+               _mesa_memcpy(rgbaSave, span->array->rgba,
+                            4 * span->end * sizeof(GLchan));
+            }
+
+            ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB);
+
+            if (ctx->Color._LogicOpEnabled) {
+               _swrast_logicop_rgba_span(ctx, rb, span);
+            }
+            else if (ctx->Color.BlendEnabled) {
+               _swrast_blend_span(ctx, rb, span);
+            }
+
+            if (colorMask != 0xffffffff) {
+               _swrast_mask_rgba_span(ctx, rb, span);
+            }
+
+            if (span->arrayMask & SPAN_XY) {
+               /* array of pixel coords */
+               ASSERT(rb->PutValues);
+               rb->PutValues(ctx, rb, span->end,
+                             span->array->x, span->array->y,
+                             span->array->rgba, span->array->mask);
+            }
+            else {
+               /* horizontal run of pixels */
+               ASSERT(rb->PutRow);
+               rb->PutRow(ctx, rb, span->end, span->x, span->y,
+                          span->array->rgba,
+                          span->writeAll ? NULL: span->array->mask);
+            }
+
+            if (!multiFragOutputs && numBuffers > 1) {
+               /* restore original span values */
+               _mesa_memcpy(span->array->rgba, rgbaSave,
+                            4 * span->end * sizeof(GLchan));
+            }
+
+         } /* if rb */
+      } /* for buf */
+   }
 
 end:
    /* restore these values before returning */
diff --git a/src/mesa/swrast/s_stencil.c b/src/mesa/swrast/s_stencil.c
index cdb7e4669c..c925922463 100644
--- a/src/mesa/swrast/s_stencil.c
+++ b/src/mesa/swrast/s_stencil.c
@@ -923,6 +923,8 @@ stencil_and_ztest_pixels( GLcontext *ctx, SWspan *span, GLuint face )
       ASSERT(rb->DataType == GL_UNSIGNED_BYTE);
       _swrast_get_values(ctx, rb, n, x, y, stencil, sizeof(GLubyte));
 
+      _mesa_memcpy(origMask, mask, n * sizeof(GLubyte));          
+
       (void) do_stencil_test(ctx, face, n, stencil, mask);
 
       if (ctx->Depth.Test == GL_FALSE) {
@@ -930,11 +932,12 @@ stencil_and_ztest_pixels( GLcontext *ctx, SWspan *span, GLuint face )
                           n, stencil, mask);
       }
       else {
-         _mesa_memcpy(origMask, mask, n * sizeof(GLubyte));
+         GLubyte tmpMask[MAX_WIDTH]; 
+         _mesa_memcpy(tmpMask, mask, n * sizeof(GLubyte));
 
          _swrast_depth_test_span(ctx, span);
 
-         compute_pass_fail_masks(n, origMask, mask, passMask, failMask);
+         compute_pass_fail_masks(n, tmpMask, mask, passMask, failMask);
 
          if (ctx->Stencil.ZFailFunc[face] != GL_KEEP) {
             apply_stencil_op(ctx, ctx->Stencil.ZFailFunc[face], face,
diff --git a/src/mesa/swrast/s_texfilter.c b/src/mesa/swrast/s_texfilter.c
index bb0fc823e7..1b44fddc41 100644
--- a/src/mesa/swrast/s_texfilter.c
+++ b/src/mesa/swrast/s_texfilter.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.3
+ * Version:  7.0.3
  *
  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
@@ -213,17 +213,10 @@ lerp_rgba_3d(GLchan result[4], GLfloat a, GLfloat b, GLfloat c,
 
 
 /**
- * Compute the remainder of a divided by b, but be careful with
- * negative values so that GL_REPEAT mode works right.
+ * If A is a signed integer, A % B doesn't give the right value for A < 0
+ * (in terms of texture repeat).  Just casting to unsigned fixes that.
  */
-static INLINE GLint
-repeat_remainder(GLint a, GLint b)
-{
-   if (a >= 0)
-      return a % b;
-   else
-      return (a + 1) % b + b - 1;
-}
+#define REMAINDER(A, B) ((unsigned) (A) % (unsigned) (B))
 
 
 /**
@@ -246,8 +239,8 @@ repeat_remainder(GLint a, GLint b)
          I1 = (I0 + 1) & (SIZE - 1);					\
       }									\
       else {								\
-         I0 = repeat_remainder(IFLOOR(U), SIZE);			\
-         I1 = repeat_remainder(I0 + 1, SIZE);				\
+         I0 = REMAINDER(IFLOOR(U), SIZE);				\
+         I1 = REMAINDER(I0 + 1, SIZE);					\
       }									\
       break;								\
    case GL_CLAMP_TO_EDGE:						\
@@ -366,7 +359,7 @@ repeat_remainder(GLint a, GLint b)
       if (img->_IsPowerOfTwo)						\
          I &= (SIZE - 1);						\
       else								\
-         I = repeat_remainder(I, SIZE);					\
+         I = REMAINDER(I, SIZE);					\
       break;								\
    case GL_CLAMP_TO_EDGE:						\
       {									\
@@ -1043,7 +1036,7 @@ sample_2d_linear_repeat(GLcontext *ctx,
    ASSERT(tObj->WrapS == GL_REPEAT);
    ASSERT(tObj->WrapT == GL_REPEAT);
    ASSERT(img->Border == 0);
-   ASSERT(img->_BaseFormat != GL_COLOR_INDEX);
+   ASSERT(img->TexFormat->BaseFormat != GL_COLOR_INDEX);
    ASSERT(img->_IsPowerOfTwo);
 
    COMPUTE_LINEAR_REPEAT_TEXEL_LOCATION(texcoord[0], u, width,  i0, i1);
@@ -1198,7 +1191,8 @@ sample_linear_2d( GLcontext *ctx,
    (void) lambda;
    if (tObj->WrapS == GL_REPEAT &&
        tObj->WrapT == GL_REPEAT &&
-       image->_IsPowerOfTwo) {
+       image->_IsPowerOfTwo &&
+       image->Border == 0) {
       for (i=0;i<n;i++) {
          sample_2d_linear_repeat(ctx, tObj, image, texcoords[i], rgba[i]);
       }
@@ -1237,7 +1231,7 @@ opt_sample_rgb_2d( GLcontext *ctx,
    ASSERT(tObj->WrapS==GL_REPEAT);
    ASSERT(tObj->WrapT==GL_REPEAT);
    ASSERT(img->Border==0);
-   ASSERT(img->_BaseFormat==GL_RGB);
+   ASSERT(img->TexFormat->MesaFormat==MESA_FORMAT_RGB);
    ASSERT(img->_IsPowerOfTwo);
 
    for (k=0; k<n; k++) {
@@ -1278,7 +1272,7 @@ opt_sample_rgba_2d( GLcontext *ctx,
    ASSERT(tObj->WrapS==GL_REPEAT);
    ASSERT(tObj->WrapT==GL_REPEAT);
    ASSERT(img->Border==0);
-   ASSERT(img->_BaseFormat==GL_RGBA);
+   ASSERT(img->TexFormat->MesaFormat==MESA_FORMAT_RGBA);
    ASSERT(img->_IsPowerOfTwo);
 
    for (i = 0; i < n; i++) {
@@ -1308,7 +1302,7 @@ sample_lambda_2d( GLcontext *ctx,
    const GLboolean repeatNoBorderPOT = (tObj->WrapS == GL_REPEAT)
       && (tObj->WrapT == GL_REPEAT)
       && (tImg->Border == 0 && (tImg->Width == tImg->RowStride))
-      && (tImg->_BaseFormat != GL_COLOR_INDEX)
+      && (tImg->TexFormat->BaseFormat != GL_COLOR_INDEX)
       && tImg->_IsPowerOfTwo;
 
    ASSERT(lambda != NULL);
@@ -1323,16 +1317,10 @@ sample_lambda_2d( GLcontext *ctx,
          if (repeatNoBorderPOT) {
             switch (tImg->TexFormat->MesaFormat) {
             case MESA_FORMAT_RGB:
-            case MESA_FORMAT_RGB888:
-            /*case MESA_FORMAT_BGR888:*/
                opt_sample_rgb_2d(ctx, tObj, m, texcoords + minStart,
                                  NULL, rgba + minStart);
                break;
             case MESA_FORMAT_RGBA:
-            case MESA_FORMAT_RGBA8888:
-            case MESA_FORMAT_ARGB8888:
-            /*case MESA_FORMAT_ABGR8888:*/
-            /*case MESA_FORMAT_BGRA8888:*/
 	       opt_sample_rgba_2d(ctx, tObj, m, texcoords + minStart,
                                   NULL, rgba + minStart);
                break;
@@ -1386,16 +1374,10 @@ sample_lambda_2d( GLcontext *ctx,
          if (repeatNoBorderPOT) {
             switch (tImg->TexFormat->MesaFormat) {
             case MESA_FORMAT_RGB:
-            case MESA_FORMAT_RGB888:
-            /*case MESA_FORMAT_BGR888:*/
                opt_sample_rgb_2d(ctx, tObj, m, texcoords + magStart,
                                  NULL, rgba + magStart);
                break;
             case MESA_FORMAT_RGBA:
-            case MESA_FORMAT_RGBA8888:
-            case MESA_FORMAT_ARGB8888:
-            /*case MESA_FORMAT_ABGR8888:*/
-            /*case MESA_FORMAT_BGRA8888:*/
 	       opt_sample_rgba_2d(ctx, tObj, m, texcoords + magStart,
                                   NULL, rgba + magStart);
                break;
@@ -1872,8 +1854,19 @@ sample_cube_nearest_mipmap_nearest(GLcontext *ctx,
    for (i = 0; i < n; i++) {
       const struct gl_texture_image **images;
       GLfloat newCoord[4];
-      GLint level = nearest_mipmap_level(tObj, lambda[i]);
+      GLint level;
       images = choose_cube_face(tObj, texcoord[i], newCoord);
+
+      /* XXX we actually need to recompute lambda here based on the newCoords.
+       * But we would need the texcoords of adjacent fragments to compute that
+       * properly, and we don't have those here.
+       * For now, do an approximation:  subtracting 1 from the chosen mipmap
+       * level seems to work in some test cases.
+       * The same adjustment is done in the next few functions.
+      */
+      level = nearest_mipmap_level(tObj, lambda[i]);
+      level = MAX2(level - 1, 0);
+
       sample_2d_nearest(ctx, tObj, images[level], newCoord, rgba[i]);
    }
 }
@@ -1891,6 +1884,7 @@ sample_cube_linear_mipmap_nearest(GLcontext *ctx,
       const struct gl_texture_image **images;
       GLfloat newCoord[4];
       GLint level = nearest_mipmap_level(tObj, lambda[i]);
+      level = MAX2(level - 1, 0); /* see comment above */
       images = choose_cube_face(tObj, texcoord[i], newCoord);
       sample_2d_linear(ctx, tObj, images[level], newCoord, rgba[i]);
    }
@@ -1909,6 +1903,7 @@ sample_cube_nearest_mipmap_linear(GLcontext *ctx,
       const struct gl_texture_image **images;
       GLfloat newCoord[4];
       GLint level = linear_mipmap_level(tObj, lambda[i]);
+      level = MAX2(level - 1, 0); /* see comment above */
       images = choose_cube_face(tObj, texcoord[i], newCoord);
       if (level >= tObj->_MaxLevel) {
          sample_2d_nearest(ctx, tObj, images[tObj->_MaxLevel],
@@ -1937,6 +1932,7 @@ sample_cube_linear_mipmap_linear(GLcontext *ctx,
       const struct gl_texture_image **images;
       GLfloat newCoord[4];
       GLint level = linear_mipmap_level(tObj, lambda[i]);
+      level = MAX2(level - 1, 0); /* see comment above */
       images = choose_cube_face(tObj, texcoord[i], newCoord);
       if (level >= tObj->_MaxLevel) {
          sample_2d_linear(ctx, tObj, images[tObj->_MaxLevel],
@@ -2102,7 +2098,7 @@ sample_nearest_rect(GLcontext *ctx,
    ASSERT(tObj->WrapT == GL_CLAMP ||
           tObj->WrapT == GL_CLAMP_TO_EDGE ||
           tObj->WrapT == GL_CLAMP_TO_BORDER);
-   ASSERT(img->_BaseFormat != GL_COLOR_INDEX);
+   ASSERT(img->TexFormat->BaseFormat != GL_COLOR_INDEX);
 
    for (i = 0; i < n; i++) {
       GLint row, col;
@@ -2138,7 +2134,7 @@ sample_linear_rect(GLcontext *ctx,
    ASSERT(tObj->WrapT == GL_CLAMP ||
           tObj->WrapT == GL_CLAMP_TO_EDGE ||
           tObj->WrapT == GL_CLAMP_TO_BORDER);
-   ASSERT(img->_BaseFormat != GL_COLOR_INDEX);
+   ASSERT(img->TexFormat->BaseFormat != GL_COLOR_INDEX);
 
    /* XXX lots of opportunity for optimization in this loop */
    for (i = 0; i < n; i++) {
@@ -2880,8 +2876,8 @@ sample_depth_texture( GLcontext *ctx,
 
    (void) lambda;
 
-   ASSERT(tObj->Image[0][tObj->BaseLevel]->_BaseFormat == GL_DEPTH_COMPONENT ||
-          tObj->Image[0][tObj->BaseLevel]->_BaseFormat == GL_DEPTH_STENCIL_EXT);
+   ASSERT(img->TexFormat->BaseFormat == GL_DEPTH_COMPONENT ||
+          img->TexFormat->BaseFormat == GL_DEPTH_STENCIL_EXT);
 
    ASSERT(tObj->Target == GL_TEXTURE_1D ||
           tObj->Target == GL_TEXTURE_2D ||
@@ -3249,7 +3245,7 @@ sample_depth_texture2(const GLcontext *ctx,
     * GL_TEXTURE_COMPARE_SGIX == GL_TRUE but the current texture object
     * isn't a depth texture.
     */
-   if (texImage->_BaseFormat != GL_DEPTH_COMPONENT) {
+   if (texImage->TexFormat->BaseFormat != GL_DEPTH_COMPONENT) {
       _mesa_problem(ctx,"GL_TEXTURE_COMPARE_SGIX enabled with non-depth texture");
       return;
    }
@@ -3352,7 +3348,7 @@ _swrast_choose_texture_sample_func( GLcontext *ctx,
    }
    else {
       const GLboolean needLambda = (GLboolean) (t->MinFilter != t->MagFilter);
-      const GLenum format = t->Image[0][t->BaseLevel]->_BaseFormat;
+      const GLenum format = t->Image[0][t->BaseLevel]->TexFormat->BaseFormat;
 
       switch (t->Target) {
       case GL_TEXTURE_1D:
diff --git a/src/mesa/swrast/s_texstore.c b/src/mesa/swrast/s_texstore.c
index f5d081d7a3..f3ce590bf3 100644
--- a/src/mesa/swrast/s_texstore.c
+++ b/src/mesa/swrast/s_texstore.c
@@ -305,7 +305,7 @@ _swrast_copy_teximage1d( GLcontext *ctx, GLenum target, GLint level,
 
    /* GL_SGIS_generate_mipmap */
    if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      _mesa_generate_mipmap(ctx, target, texUnit, texObj);
+      ctx->Driver.GenerateMipmap(ctx, target, texObj);
    }
 }
 
@@ -381,7 +381,7 @@ _swrast_copy_teximage2d( GLcontext *ctx, GLenum target, GLint level,
 
    /* GL_SGIS_generate_mipmap */
    if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      _mesa_generate_mipmap(ctx, target, texUnit, texObj);
+      ctx->Driver.GenerateMipmap(ctx, target, texObj);
    }
 }
 
@@ -450,7 +450,7 @@ _swrast_copy_texsubimage1d( GLcontext *ctx, GLenum target, GLint level,
 
    /* GL_SGIS_generate_mipmap */
    if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      _mesa_generate_mipmap(ctx, target, texUnit, texObj);
+      ctx->Driver.GenerateMipmap(ctx, target, texObj);
    }
 }
 
@@ -526,7 +526,7 @@ _swrast_copy_texsubimage2d( GLcontext *ctx,
 
    /* GL_SGIS_generate_mipmap */
    if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      _mesa_generate_mipmap(ctx, target, texUnit, texObj);
+      ctx->Driver.GenerateMipmap(ctx, target, texObj);
    }
 }
 
@@ -599,6 +599,6 @@ _swrast_copy_texsubimage3d( GLcontext *ctx,
 
    /* GL_SGIS_generate_mipmap */
    if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      _mesa_generate_mipmap(ctx, target, texUnit, texObj);
+      ctx->Driver.GenerateMipmap(ctx, target, texObj);
    }
 }
diff --git a/src/mesa/swrast/s_triangle.c b/src/mesa/swrast/s_triangle.c
index 00cff6635f..f584f6e7f5 100644
--- a/src/mesa/swrast/s_triangle.c
+++ b/src/mesa/swrast/s_triangle.c
@@ -58,7 +58,7 @@ _swrast_culltriangle( GLcontext *ctx,
    GLfloat fy = v2->attrib[FRAG_ATTRIB_WPOS][1] - v0->attrib[FRAG_ATTRIB_WPOS][1];
    GLfloat c = ex*fy-ey*fx;
 
-   if (c * SWRAST_CONTEXT(ctx)->_BackfaceSign > 0)
+   if (c * SWRAST_CONTEXT(ctx)->_BackfaceCullSign > 0)
       return 0;
 
    return 1;
@@ -130,7 +130,7 @@ _swrast_culltriangle( GLcontext *ctx,
 #define T_SCALE theight
 
 #define SETUP_CODE							\
-   struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];\
+   struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];	\
    struct gl_texture_object *obj = ctx->Texture.Unit[0].Current2D;	\
    const GLint b = obj->BaseLevel;					\
    const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width;		\
@@ -139,8 +139,7 @@ _swrast_culltriangle( GLcontext *ctx,
    const GLchan *texture = (const GLchan *) obj->Image[0][b]->Data;	\
    const GLint smask = obj->Image[0][b]->Width - 1;			\
    const GLint tmask = obj->Image[0][b]->Height - 1;			\
-   if (!texture) {							\
-      /* this shouldn't happen */					\
+   if (!rb || !texture) {						\
       return;								\
    }
 
@@ -182,7 +181,7 @@ _swrast_culltriangle( GLcontext *ctx,
 #define T_SCALE theight
 
 #define SETUP_CODE							\
-   struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];\
+   struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];	\
    struct gl_texture_object *obj = ctx->Texture.Unit[0].Current2D;	\
    const GLint b = obj->BaseLevel;					\
    const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width;		\
@@ -191,8 +190,7 @@ _swrast_culltriangle( GLcontext *ctx,
    const GLchan *texture = (const GLchan *) obj->Image[0][b]->Data;	\
    const GLint smask = obj->Image[0][b]->Width - 1;			\
    const GLint tmask = obj->Image[0][b]->Height - 1;			\
-   if (!texture) {							\
-      /* this shouldn't happen */					\
+   if (!rb || !texture) {						\
       return;								\
    }
 
diff --git a/src/mesa/swrast/s_tritemp.h b/src/mesa/swrast/s_tritemp.h
index cded4a6c1c..8e3c5b5eeb 100644
--- a/src/mesa/swrast/s_tritemp.h
+++ b/src/mesa/swrast/s_tritemp.h
@@ -234,18 +234,18 @@ static void NAME(GLcontext *ctx, const SWvertex *v0,
    /* compute area, oneOverArea and perform backface culling */
    {
       const GLfloat area = eMaj.dx * eBot.dy - eBot.dx * eMaj.dy;
-      /* Do backface culling */
-      if (area * bf < 0.0)
-         return;
 
       if (IS_INF_OR_NAN(area) || area == 0.0F)
          return;
 
-      oneOverArea = 1.0F / area;
-   }
+      if (area * bf * swrast->_BackfaceCullSign < 0.0)
+         return;
 
+      oneOverArea = 1.0F / area;
 
-   span.facing = ctx->_Facing; /* for 2-sided stencil test */
+      /* 0 = front, 1 = back */
+      span.facing = oneOverArea * bf > 0.0F;
+   }
 
    /* Edge setup.  For a triangle strip these could be reused... */
    {
diff --git a/src/mesa/swrast/s_zoom.c b/src/mesa/swrast/s_zoom.c
index 48b4d1e240..a48eae1925 100644
--- a/src/mesa/swrast/s_zoom.c
+++ b/src/mesa/swrast/s_zoom.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.2
+ * Version:  7.1
  *
- * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2008  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"),
@@ -130,8 +130,8 @@ static void
 zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
            const GLvoid *src, GLenum format )
 {
+   SWcontext *swrast = SWRAST_CONTEXT(ctx);
    SWspan zoomed;
-   SWspanarrays zoomed_arrays;  /* this is big! */
    GLint x0, x1, y0, y1;
    GLint zoomedWidth;
 
@@ -140,6 +140,13 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
       return;  /* totally clipped */
    }
 
+   if (!swrast->ZoomedArrays) {
+      /* allocate on demand */
+      swrast->ZoomedArrays = (SWspanarrays *) CALLOC(sizeof(SWspanarrays));
+      if (!swrast->ZoomedArrays)
+         return;
+   }
+
    zoomedWidth = x1 - x0;
    ASSERT(zoomedWidth > 0);
    ASSERT(zoomedWidth <= MAX_WIDTH);
@@ -151,14 +158,14 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span,
    INIT_SPAN(zoomed, GL_BITMAP);
    zoomed.x = x0;
    zoomed.end = zoomedWidth;
-   zoomed.array = &zoomed_arrays;
-   zoomed_arrays.ChanType = span->array->ChanType;
-   if (zoomed_arrays.ChanType == GL_UNSIGNED_BYTE)
-      zoomed_arrays.rgba = (GLchan (*)[4]) zoomed_arrays.rgba8;
-   else if (zoomed_arrays.ChanType == GL_UNSIGNED_SHORT)
-      zoomed_arrays.rgba = (GLchan (*)[4]) zoomed_arrays.rgba16;
+   zoomed.array = swrast->ZoomedArrays;
+   zoomed.array->ChanType = span->array->ChanType;
+   if (zoomed.array->ChanType == GL_UNSIGNED_BYTE)
+      zoomed.array->rgba = (GLchan (*)[4]) zoomed.array->rgba8;
+   else if (zoomed.array->ChanType == GL_UNSIGNED_SHORT)
+      zoomed.array->rgba = (GLchan (*)[4]) zoomed.array->rgba16;
    else
-      zoomed_arrays.rgba = (GLchan (*)[4]) zoomed_arrays.attribs[FRAG_ATTRIB_COL0];
+      zoomed.array->rgba = (GLchan (*)[4]) zoomed.array->attribs[FRAG_ATTRIB_COL0];
 
    COPY_4V(zoomed.attrStart[FRAG_ATTRIB_WPOS], span->attrStart[FRAG_ATTRIB_WPOS]);
    COPY_4V(zoomed.attrStepX[FRAG_ATTRIB_WPOS], span->attrStepX[FRAG_ATTRIB_WPOS]);
diff --git a/src/mesa/swrast/sources b/src/mesa/swrast/sources
deleted file mode 100644
index 9ffd4cca72..0000000000
--- a/src/mesa/swrast/sources
+++ /dev/null
@@ -1,65 +0,0 @@
-# List of source files in this directory used for X.org xserver build
-MESA_SWRAST_SOURCES = \
-s_aaline.c \
-s_aatriangle.c \
-s_accum.c \
-s_alpha.c \
-s_arbshader.c \
-s_atifragshader.c \
-s_bitmap.c \
-s_blend.c \
-s_blit.c \
-s_buffers.c \
-s_context.c \
-s_copypix.c \
-s_depth.c \
-s_drawpix.c \
-s_feedback.c \
-s_fog.c \
-s_imaging.c \
-s_lines.c \
-s_logic.c \
-s_masking.c \
-s_nvfragprog.c \
-s_points.c \
-s_readpix.c \
-s_span.c \
-s_stencil.c \
-s_texcombine.c \
-s_texfilter.c \
-s_texstore.c \
-s_triangle.c \
-s_zoom.c
-
-MESA_SWRAST_HEADERS = \
-s_aaline.h \
-s_aalinetemp.h \
-s_aatriangle.h \
-s_aatritemp.h \
-s_accum.h \
-s_alpha.h \
-s_arbshader.h \
-s_atifragshader.h \
-s_blend.h \
-s_context.h \
-s_depth.h \
-s_drawpix.h \
-s_feedback.h \
-s_fog.h \
-s_lines.h \
-s_linetemp.h \
-s_logic.h \
-s_masking.h \
-s_nvfragprog.h \
-s_points.h \
-s_pointtemp.h \
-s_span.h \
-s_spantemp.h \
-s_stencil.h \
-s_texcombine.h \
-s_texfilter.h \
-s_triangle.h \
-s_trispan.h \
-s_tritemp.h \
-s_zoom.h \
-swrast.h
diff --git a/src/mesa/swrast/swrast.h b/src/mesa/swrast/swrast.h
index 85a27fd55b..047f7991e6 100644
--- a/src/mesa/swrast/swrast.h
+++ b/src/mesa/swrast/swrast.h
@@ -143,6 +143,13 @@ _swrast_Accum(GLcontext *ctx, GLenum op, GLfloat value);
 extern void
 _swrast_ResetLineStipple( GLcontext *ctx );
 
+/**
+ * Indicates front/back facing for subsequent points/lines when drawing
+ * unfilled polygons.  Needed for two-side stencil.
+ */
+extern void
+_swrast_SetFacing(GLcontext *ctx, GLuint facing);
+
 /* These will always render the correct point/line/triangle for the
  * current state.
  *