mesa xserver git update 28 jan 2012

11 files changed, 357 insertions, 354 deletions

diff --git a/mesalib/src/mesa/swrast/s_aaline.c b/mesalib/src/mesa/swrast/s_aaline.c
index d4b1805d9..d36d87697 100644
--- a/mesalib/src/mesa/swrast/s_aaline.c
+++ b/mesalib/src/mesa/swrast/s_aaline.c
@@ -479,7 +479,7 @@ _swrast_choose_aa_line_function(struct gl_context *ctx)
    ASSERT(ctx->Line.SmoothFlag);
 
    if (ctx->Texture._EnabledCoordUnits != 0
-       || ctx->FragmentProgram._Current
+       || _swrast_use_fragment_program(ctx)
        || (ctx->Light.Enabled &&
            ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
        || ctx->Fog.ColorSumEnabled
diff --git a/mesalib/src/mesa/swrast/s_aalinetemp.h b/mesalib/src/mesa/swrast/s_aalinetemp.h
index 376ef32d0..ba9f8abb9 100644
--- a/mesalib/src/mesa/swrast/s_aalinetemp.h
+++ b/mesalib/src/mesa/swrast/s_aalinetemp.h
@@ -67,7 +67,7 @@ NAME(plot)(struct gl_context *ctx, struct LineInfo *line, int ix, int iy)
    ATTRIB_LOOP_BEGIN
       GLfloat (*attribArray)[4] = line->span.array->attribs[attr];
       if (attr >= FRAG_ATTRIB_TEX0 && attr < FRAG_ATTRIB_VAR0
-          && !ctx->FragmentProgram._Current) {
+          && !_swrast_use_fragment_program(ctx)) {
          /* texcoord w/ divide by Q */
          const GLuint unit = attr - FRAG_ATTRIB_TEX0;
          const GLfloat invQ = solve_plane_recip(fx, fy, line->attrPlane[attr][3]);
diff --git a/mesalib/src/mesa/swrast/s_aatriangle.c b/mesalib/src/mesa/swrast/s_aatriangle.c
index c68fdf63b..b59177fa7 100644
--- a/mesalib/src/mesa/swrast/s_aatriangle.c
+++ b/mesalib/src/mesa/swrast/s_aatriangle.c
@@ -299,7 +299,7 @@ _swrast_set_aa_triangle_function(struct gl_context *ctx)
    ASSERT(ctx->Polygon.SmoothFlag);
 
    if (ctx->Texture._EnabledCoordUnits != 0
-       || ctx->FragmentProgram._Current
+       || _swrast_use_fragment_program(ctx)
        || swrast->_FogEnabled
        || _mesa_need_secondary_color(ctx)) {
       SWRAST_CONTEXT(ctx)->Triangle = general_aa_tri;
diff --git a/mesalib/src/mesa/swrast/s_context.c b/mesalib/src/mesa/swrast/s_context.c
index 14cb9b180..cc304d70c 100644
--- a/mesalib/src/mesa/swrast/s_context.c
+++ b/mesalib/src/mesa/swrast/s_context.c
@@ -105,7 +105,7 @@ _swrast_update_rasterflags( struct gl_context *ctx )
    }
 
 
-   if (ctx->FragmentProgram._Current) {
+   if (_swrast_use_fragment_program(ctx)) {
       rasterMask |= FRAGPROG_BIT;
    }
 
@@ -170,7 +170,7 @@ _swrast_update_fog_hint( struct gl_context *ctx )
 {
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    swrast->_PreferPixelFog = (!swrast->AllowVertexFog ||
-                              ctx->FragmentProgram._Current ||
+			      _swrast_use_fragment_program(ctx) ||
 			      (ctx->Hint.Fog == GL_NICEST &&
 			       swrast->AllowPixelFog));
 }
@@ -220,13 +220,14 @@ _swrast_update_deferred_texture(struct gl_context *ctx)
       swrast->_DeferredTexture = GL_FALSE;
    }
    else {
+      GLboolean use_fprog = _swrast_use_fragment_program(ctx);
       const struct gl_fragment_program *fprog
          = ctx->FragmentProgram._Current;
-      if (fprog && (fprog->Base.OutputsWritten & (1 << FRAG_RESULT_DEPTH))) {
+      if (use_fprog && (fprog->Base.OutputsWritten & (1 << FRAG_RESULT_DEPTH))) {
          /* Z comes from fragment program/shader */
          swrast->_DeferredTexture = GL_FALSE;
       }
-      else if (fprog && fprog->UsesKill) {
+      else if (use_fprog && fprog->UsesKill) {
          swrast->_DeferredTexture = GL_FALSE;
       }
       else if (ctx->Query.CurrentOcclusionObject) {
@@ -254,7 +255,8 @@ _swrast_update_fog_state( struct gl_context *ctx )
           (fp->Base.Target == GL_FRAGMENT_PROGRAM_NV));
 
    /* determine if fog is needed, and if so, which fog mode */
-   swrast->_FogEnabled = (fp == NULL && ctx->Fog.Enabled);
+   swrast->_FogEnabled = (!_swrast_use_fragment_program(ctx) &&
+			  ctx->Fog.Enabled);
 }
 
 
@@ -265,10 +267,11 @@ _swrast_update_fog_state( struct gl_context *ctx )
 static void
 _swrast_update_fragment_program(struct gl_context *ctx, GLbitfield newState)
 {
-   const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
-   if (fp) {
-      _mesa_load_state_parameters(ctx, fp->Base.Parameters);
-   }
+   if (!_swrast_use_fragment_program(ctx))
+      return;
+
+   _mesa_load_state_parameters(ctx,
+                               ctx->FragmentProgram._Current->Base.Parameters);
 }
 
 
@@ -286,7 +289,7 @@ _swrast_update_specular_vertex_add(struct gl_context *ctx)
 
    swrast->SpecularVertexAdd = (separateSpecular
                                 && ctx->Texture._EnabledUnits == 0x0
-                                && !ctx->FragmentProgram._Current
+                                && !_swrast_use_fragment_program(ctx)
                                 && !ctx->ATIFragmentShader._Enabled);
 }
 
@@ -497,7 +500,7 @@ _swrast_update_active_attribs(struct gl_context *ctx)
    /*
     * Compute _ActiveAttribsMask = which fragment attributes are needed.
     */
-   if (ctx->FragmentProgram._Current) {
+   if (_swrast_use_fragment_program(ctx)) {
       /* fragment program/shader */
       attribsMask = ctx->FragmentProgram._Current->Base.InputsRead;
       attribsMask &= ~FRAG_BIT_WPOS; /* WPOS is always handled specially */
diff --git a/mesalib/src/mesa/swrast/s_context.h b/mesalib/src/mesa/swrast/s_context.h
index ae239a9a8..363bdf03a 100644
--- a/mesalib/src/mesa/swrast/s_context.h
+++ b/mesalib/src/mesa/swrast/s_context.h
@@ -47,6 +47,7 @@
 #include "main/mtypes.h"
 #include "program/prog_execute.h"
 #include "swrast.h"
+#include "s_fragprog.h"
 #include "s_span.h"
 
 
diff --git a/mesalib/src/mesa/swrast/s_drawpix.c b/mesalib/src/mesa/swrast/s_drawpix.c
index c5466ddbd..c19808bd4 100644
--- a/mesalib/src/mesa/swrast/s_drawpix.c
+++ b/mesalib/src/mesa/swrast/s_drawpix.c
@@ -239,7 +239,8 @@ fast_draw_rgba_pixels(struct gl_context *ctx, GLint x, GLint y,
       return GL_TRUE;
    }
 
-   if (_mesa_format_matches_format_and_type(rb->Format, format, type)) {
+   if (_mesa_format_matches_format_and_type(rb->Format, format, type,
+                                            ctx->Unpack.SwapBytes)) {
       fast_draw_generic_pixels(ctx, rb, x, y, width, height,
                                format, type, &unpack, pixels);
       return GL_TRUE;
diff --git a/mesalib/src/mesa/swrast/s_fragprog.c b/mesalib/src/mesa/swrast/s_fragprog.c
index 1caa0ebc2..cd20d8e36 100644
--- a/mesalib/src/mesa/swrast/s_fragprog.c
+++ b/mesalib/src/mesa/swrast/s_fragprog.c
@@ -30,6 +30,18 @@
 #include "s_fragprog.h"
 #include "s_span.h"
 
+/**
+ * \brief Should swrast use a fragment program?
+ *
+ * \return true if the current fragment program exists and is not the fixed
+ *         function fragment program
+ */
+GLboolean
+_swrast_use_fragment_program(struct gl_context *ctx)
+{
+   struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
+   return fp && fp != ctx->FragmentProgram._TexEnvProgram;
+}
 
 /**
  * Apply texture object's swizzle (X/Y/Z/W/0/1) to incoming 'texel'
diff --git a/mesalib/src/mesa/swrast/s_fragprog.h b/mesalib/src/mesa/swrast/s_fragprog.h
index bd5fe6877..ac1f5ff4c 100644
--- a/mesalib/src/mesa/swrast/s_fragprog.h
+++ b/mesalib/src/mesa/swrast/s_fragprog.h
@@ -1,40 +1,42 @@
-/*

- * Mesa 3-D graphics library

- * Version:  6.5.3

- *

- * Copyright (C) 1999-2006  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.

- */

-

-

-#ifndef S_FRAGPROG_H

-#define S_FRAGPROG_H

-

-

-#include "s_span.h"

-

-struct gl_context;

-

-

-extern void

-_swrast_exec_fragment_program(struct gl_context *ctx, SWspan *span);

-

-

-#endif /* S_FRAGPROG_H */

-

+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5.3
+ *
+ * Copyright (C) 1999-2006  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.
+ */
+
+
+#ifndef S_FRAGPROG_H
+#define S_FRAGPROG_H
+
+
+#include "s_span.h"
+
+struct gl_context;
+
+GLboolean
+_swrast_use_fragment_program(struct gl_context *ctx);
+
+extern void
+_swrast_exec_fragment_program(struct gl_context *ctx, SWspan *span);
+
+
+#endif /* S_FRAGPROG_H */
+
diff --git a/mesalib/src/mesa/swrast/s_lines.c b/mesalib/src/mesa/swrast/s_lines.c
index aba403308..ee997b08a 100644
--- a/mesalib/src/mesa/swrast/s_lines.c
+++ b/mesalib/src/mesa/swrast/s_lines.c
@@ -1,268 +1,268 @@
-/*

- * Mesa 3-D graphics library

- * Version:  7.1

- *

- * Copyright (C) 1999-2007  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.

- */

-

-

-#include "main/glheader.h"

-#include "main/context.h"

-#include "main/colormac.h"

-#include "main/macros.h"

-#include "s_aaline.h"

-#include "s_context.h"

-#include "s_feedback.h"

-#include "s_lines.h"

-#include "s_span.h"

-

-

-/*

- * Init the mask[] array to implement a line stipple.

- */

-static void

-compute_stipple_mask( struct gl_context *ctx, GLuint len, GLubyte mask[] )

-{

-   SWcontext *swrast = SWRAST_CONTEXT(ctx);

-   GLuint i;

-

-   for (i = 0; i < len; i++) {

-      GLuint bit = (swrast->StippleCounter / ctx->Line.StippleFactor) & 0xf;

-      if ((1 << bit) & ctx->Line.StipplePattern) {

-         mask[i] = GL_TRUE;

-      }

-      else {

-         mask[i] = GL_FALSE;

-      }

-      swrast->StippleCounter++;

-   }

-}

-

-

-/*

- * To draw a wide line we can simply redraw the span N times, side by side.

- */

-static void

-draw_wide_line( struct gl_context *ctx, SWspan *span, GLboolean xMajor )

-{

-   const GLint width = (GLint) CLAMP(ctx->Line.Width,

-                                     ctx->Const.MinLineWidth,

-                                     ctx->Const.MaxLineWidth);

-   GLint start;

-

-   ASSERT(span->end < MAX_WIDTH);

-

-   if (width & 1)

-      start = width / 2;

-   else

-      start = width / 2 - 1;

-

-   if (xMajor) {

-      GLint *y = span->array->y;

-      GLuint i;

-      GLint w;

-      for (w = 0; w < width; w++) {

-         if (w == 0) {

-            for (i = 0; i < span->end; i++)

-               y[i] -= start;

-         }

-         else {

-            for (i = 0; i < span->end; i++)

-               y[i]++;

-         }

-	 _swrast_write_rgba_span(ctx, span);

-      }

-   }

-   else {

-      GLint *x = span->array->x;

-      GLuint i;

-      GLint w;

-      for (w = 0; w < width; w++) {

-         if (w == 0) {

-            for (i = 0; i < span->end; i++)

-               x[i] -= start;

-         }

-         else {

-            for (i = 0; i < span->end; i++)

-               x[i]++;

-         }

-	 _swrast_write_rgba_span(ctx, span);

-      }

-   }

-}

-

-

-

-/**********************************************************************/

-/*****                    Rasterization                           *****/

-/**********************************************************************/

-

-/* Simple RGBA index line (no stipple, width=1, no Z, no fog, no tex)*/

-#define NAME simple_no_z_rgba_line

-#define INTERP_RGBA

-#define RENDER_SPAN(span) _swrast_write_rgba_span(ctx, &span);

-#include "s_linetemp.h"

-

-

-/* Z, fog, wide, stipple RGBA line */

-#define NAME rgba_line

-#define INTERP_RGBA

-#define INTERP_Z

-#define RENDER_SPAN(span)					\

-   if (ctx->Line.StippleFlag) {					\

-      span.arrayMask |= SPAN_MASK;				\

-      compute_stipple_mask(ctx, span.end, span.array->mask);	\

-   }								\

-   if (ctx->Line.Width > 1.0) {					\

-      draw_wide_line(ctx, &span, (GLboolean)(dx > dy));		\

-   }								\

-   else {							\

-      _swrast_write_rgba_span(ctx, &span);			\

-   }

-#include "s_linetemp.h"

-

-

-/* General-purpose line (any/all features). */

-#define NAME general_line

-#define INTERP_RGBA

-#define INTERP_Z

-#define INTERP_ATTRIBS

-#define RENDER_SPAN(span)					\

-   if (ctx->Line.StippleFlag) {					\

-      span.arrayMask |= SPAN_MASK;				\

-      compute_stipple_mask(ctx, span.end, span.array->mask);	\

-   }								\

-   if (ctx->Line.Width > 1.0) {					\

-      draw_wide_line(ctx, &span, (GLboolean)(dx > dy));		\

-   }								\

-   else {							\

-      _swrast_write_rgba_span(ctx, &span);			\

-   }

-#include "s_linetemp.h"

-

-

-

-void

-_swrast_add_spec_terms_line(struct gl_context *ctx,

-                            const SWvertex *v0, const SWvertex *v1)

-{

-   SWvertex *ncv0 = (SWvertex *)v0;

-   SWvertex *ncv1 = (SWvertex *)v1;

-   GLfloat rSum, gSum, bSum;

-   GLchan cSave[2][4];

-

-   /* save original colors */

-   COPY_CHAN4(cSave[0], ncv0->color);

-   COPY_CHAN4(cSave[1], ncv1->color);

-   /* sum v0 */

-   rSum = CHAN_TO_FLOAT(ncv0->color[0]) + ncv0->attrib[FRAG_ATTRIB_COL1][0];

-   gSum = CHAN_TO_FLOAT(ncv0->color[1]) + ncv0->attrib[FRAG_ATTRIB_COL1][1];

-   bSum = CHAN_TO_FLOAT(ncv0->color[2]) + ncv0->attrib[FRAG_ATTRIB_COL1][2];

-   UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[0], rSum);

-   UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[1], gSum);

-   UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[2], bSum);

-   /* sum v1 */

-   rSum = CHAN_TO_FLOAT(ncv1->color[0]) + ncv1->attrib[FRAG_ATTRIB_COL1][0];

-   gSum = CHAN_TO_FLOAT(ncv1->color[1]) + ncv1->attrib[FRAG_ATTRIB_COL1][1];

-   bSum = CHAN_TO_FLOAT(ncv1->color[2]) + ncv1->attrib[FRAG_ATTRIB_COL1][2];

-   UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[0], rSum);

-   UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[1], gSum);

-   UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[2], bSum);

-   /* draw */

-   SWRAST_CONTEXT(ctx)->SpecLine( ctx, ncv0, ncv1 );

-   /* restore original colors */

-   COPY_CHAN4( ncv0->attrib[FRAG_ATTRIB_COL0], cSave[0] );

-   COPY_CHAN4( ncv1->attrib[FRAG_ATTRIB_COL0], cSave[1] );

-}

-

-

-

-#ifdef DEBUG

-

-/* record the current line function name */

-static const char *lineFuncName = NULL;

-

-#define USE(lineFunc)                   \

-do {                                    \

-    lineFuncName = #lineFunc;           \

-    /*printf("%s\n", lineFuncName);*/   \

-    swrast->Line = lineFunc;            \

-} while (0)

-

-#else

-

-#define USE(lineFunc)  swrast->Line = lineFunc

-

-#endif

-

-

-

-/**

- * Determine which line drawing function to use given the current

- * rendering context.

- *

- * Please update the summary flag _SWRAST_NEW_LINE if you add or remove

- * tests to this code.

- */

-void

-_swrast_choose_line( struct gl_context *ctx )

-{

-   SWcontext *swrast = SWRAST_CONTEXT(ctx);

-   GLboolean specular = (ctx->Fog.ColorSumEnabled ||

-                         (ctx->Light.Enabled &&

-                          ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR));

-

-   if (ctx->RenderMode == GL_RENDER) {

-      if (ctx->Line.SmoothFlag) {

-         /* antialiased lines */

-         _swrast_choose_aa_line_function(ctx);

-         ASSERT(swrast->Line);

-      }

-      else if (ctx->Texture._EnabledCoordUnits

-               || ctx->FragmentProgram._Current

-               || swrast->_FogEnabled

-               || specular) {

-         USE(general_line);

-      }

-      else if (ctx->Depth.Test

-               || ctx->Line.Width != 1.0

-               || ctx->Line.StippleFlag) {

-         /* no texture, but Z, fog, width>1, stipple, etc. */

-#if CHAN_BITS == 32

-         USE(general_line);

-#else

-         USE(rgba_line);

-#endif

-      }

-      else {

-         ASSERT(!ctx->Depth.Test);

-         ASSERT(ctx->Line.Width == 1.0);

-         /* simple lines */

-         USE(simple_no_z_rgba_line);

-      }

-   }

-   else if (ctx->RenderMode == GL_FEEDBACK) {

-      USE(_swrast_feedback_line);

-   }

-   else {

-      ASSERT(ctx->RenderMode == GL_SELECT);

-      USE(_swrast_select_line);

-   }

-}

+/*
+ * Mesa 3-D graphics library
+ * Version:  7.1
+ *
+ * Copyright (C) 1999-2007  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.
+ */
+
+
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/colormac.h"
+#include "main/macros.h"
+#include "s_aaline.h"
+#include "s_context.h"
+#include "s_feedback.h"
+#include "s_lines.h"
+#include "s_span.h"
+
+
+/*
+ * Init the mask[] array to implement a line stipple.
+ */
+static void
+compute_stipple_mask( struct gl_context *ctx, GLuint len, GLubyte mask[] )
+{
+   SWcontext *swrast = SWRAST_CONTEXT(ctx);
+   GLuint i;
+
+   for (i = 0; i < len; i++) {
+      GLuint bit = (swrast->StippleCounter / ctx->Line.StippleFactor) & 0xf;
+      if ((1 << bit) & ctx->Line.StipplePattern) {
+         mask[i] = GL_TRUE;
+      }
+      else {
+         mask[i] = GL_FALSE;
+      }
+      swrast->StippleCounter++;
+   }
+}
+
+
+/*
+ * To draw a wide line we can simply redraw the span N times, side by side.
+ */
+static void
+draw_wide_line( struct gl_context *ctx, SWspan *span, GLboolean xMajor )
+{
+   const GLint width = (GLint) CLAMP(ctx->Line.Width,
+                                     ctx->Const.MinLineWidth,
+                                     ctx->Const.MaxLineWidth);
+   GLint start;
+
+   ASSERT(span->end < MAX_WIDTH);
+
+   if (width & 1)
+      start = width / 2;
+   else
+      start = width / 2 - 1;
+
+   if (xMajor) {
+      GLint *y = span->array->y;
+      GLuint i;
+      GLint w;
+      for (w = 0; w < width; w++) {
+         if (w == 0) {
+            for (i = 0; i < span->end; i++)
+               y[i] -= start;
+         }
+         else {
+            for (i = 0; i < span->end; i++)
+               y[i]++;
+         }
+	 _swrast_write_rgba_span(ctx, span);
+      }
+   }
+   else {
+      GLint *x = span->array->x;
+      GLuint i;
+      GLint w;
+      for (w = 0; w < width; w++) {
+         if (w == 0) {
+            for (i = 0; i < span->end; i++)
+               x[i] -= start;
+         }
+         else {
+            for (i = 0; i < span->end; i++)
+               x[i]++;
+         }
+	 _swrast_write_rgba_span(ctx, span);
+      }
+   }
+}
+
+
+
+/**********************************************************************/
+/*****                    Rasterization                           *****/
+/**********************************************************************/
+
+/* Simple RGBA index line (no stipple, width=1, no Z, no fog, no tex)*/
+#define NAME simple_no_z_rgba_line
+#define INTERP_RGBA
+#define RENDER_SPAN(span) _swrast_write_rgba_span(ctx, &span);
+#include "s_linetemp.h"
+
+
+/* Z, fog, wide, stipple RGBA line */
+#define NAME rgba_line
+#define INTERP_RGBA
+#define INTERP_Z
+#define RENDER_SPAN(span)					\
+   if (ctx->Line.StippleFlag) {					\
+      span.arrayMask |= SPAN_MASK;				\
+      compute_stipple_mask(ctx, span.end, span.array->mask);	\
+   }								\
+   if (ctx->Line.Width > 1.0) {					\
+      draw_wide_line(ctx, &span, (GLboolean)(dx > dy));		\
+   }								\
+   else {							\
+      _swrast_write_rgba_span(ctx, &span);			\
+   }
+#include "s_linetemp.h"
+
+
+/* General-purpose line (any/all features). */
+#define NAME general_line
+#define INTERP_RGBA
+#define INTERP_Z
+#define INTERP_ATTRIBS
+#define RENDER_SPAN(span)					\
+   if (ctx->Line.StippleFlag) {					\
+      span.arrayMask |= SPAN_MASK;				\
+      compute_stipple_mask(ctx, span.end, span.array->mask);	\
+   }								\
+   if (ctx->Line.Width > 1.0) {					\
+      draw_wide_line(ctx, &span, (GLboolean)(dx > dy));		\
+   }								\
+   else {							\
+      _swrast_write_rgba_span(ctx, &span);			\
+   }
+#include "s_linetemp.h"
+
+
+
+void
+_swrast_add_spec_terms_line(struct gl_context *ctx,
+                            const SWvertex *v0, const SWvertex *v1)
+{
+   SWvertex *ncv0 = (SWvertex *)v0;
+   SWvertex *ncv1 = (SWvertex *)v1;
+   GLfloat rSum, gSum, bSum;
+   GLchan cSave[2][4];
+
+   /* save original colors */
+   COPY_CHAN4(cSave[0], ncv0->color);
+   COPY_CHAN4(cSave[1], ncv1->color);
+   /* sum v0 */
+   rSum = CHAN_TO_FLOAT(ncv0->color[0]) + ncv0->attrib[FRAG_ATTRIB_COL1][0];
+   gSum = CHAN_TO_FLOAT(ncv0->color[1]) + ncv0->attrib[FRAG_ATTRIB_COL1][1];
+   bSum = CHAN_TO_FLOAT(ncv0->color[2]) + ncv0->attrib[FRAG_ATTRIB_COL1][2];
+   UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[0], rSum);
+   UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[1], gSum);
+   UNCLAMPED_FLOAT_TO_CHAN(ncv0->color[2], bSum);
+   /* sum v1 */
+   rSum = CHAN_TO_FLOAT(ncv1->color[0]) + ncv1->attrib[FRAG_ATTRIB_COL1][0];
+   gSum = CHAN_TO_FLOAT(ncv1->color[1]) + ncv1->attrib[FRAG_ATTRIB_COL1][1];
+   bSum = CHAN_TO_FLOAT(ncv1->color[2]) + ncv1->attrib[FRAG_ATTRIB_COL1][2];
+   UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[0], rSum);
+   UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[1], gSum);
+   UNCLAMPED_FLOAT_TO_CHAN(ncv1->color[2], bSum);
+   /* draw */
+   SWRAST_CONTEXT(ctx)->SpecLine( ctx, ncv0, ncv1 );
+   /* restore original colors */
+   COPY_CHAN4( ncv0->attrib[FRAG_ATTRIB_COL0], cSave[0] );
+   COPY_CHAN4( ncv1->attrib[FRAG_ATTRIB_COL0], cSave[1] );
+}
+
+
+
+#ifdef DEBUG
+
+/* record the current line function name */
+static const char *lineFuncName = NULL;
+
+#define USE(lineFunc)                   \
+do {                                    \
+    lineFuncName = #lineFunc;           \
+    /*printf("%s\n", lineFuncName);*/   \
+    swrast->Line = lineFunc;            \
+} while (0)
+
+#else
+
+#define USE(lineFunc)  swrast->Line = lineFunc
+
+#endif
+
+
+
+/**
+ * Determine which line drawing function to use given the current
+ * rendering context.
+ *
+ * Please update the summary flag _SWRAST_NEW_LINE if you add or remove
+ * tests to this code.
+ */
+void
+_swrast_choose_line( struct gl_context *ctx )
+{
+   SWcontext *swrast = SWRAST_CONTEXT(ctx);
+   GLboolean specular = (ctx->Fog.ColorSumEnabled ||
+                         (ctx->Light.Enabled &&
+                          ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR));
+
+   if (ctx->RenderMode == GL_RENDER) {
+      if (ctx->Line.SmoothFlag) {
+         /* antialiased lines */
+         _swrast_choose_aa_line_function(ctx);
+         ASSERT(swrast->Line);
+      }
+      else if (ctx->Texture._EnabledCoordUnits
+               || _swrast_use_fragment_program(ctx)
+               || swrast->_FogEnabled
+               || specular) {
+         USE(general_line);
+      }
+      else if (ctx->Depth.Test
+               || ctx->Line.Width != 1.0
+               || ctx->Line.StippleFlag) {
+         /* no texture, but Z, fog, width>1, stipple, etc. */
+#if CHAN_BITS == 32
+         USE(general_line);
+#else
+         USE(rgba_line);
+#endif
+      }
+      else {
+         ASSERT(!ctx->Depth.Test);
+         ASSERT(ctx->Line.Width == 1.0);
+         /* simple lines */
+         USE(simple_no_z_rgba_line);
+      }
+   }
+   else if (ctx->RenderMode == GL_FEEDBACK) {
+      USE(_swrast_feedback_line);
+   }
+   else {
+      ASSERT(ctx->RenderMode == GL_SELECT);
+      USE(_swrast_select_line);
+   }
+}
diff --git a/mesalib/src/mesa/swrast/s_span.c b/mesalib/src/mesa/swrast/s_span.c
index 7ab60b1e5..28f2f3d3f 100644
--- a/mesalib/src/mesa/swrast/s_span.c
+++ b/mesalib/src/mesa/swrast/s_span.c
@@ -139,7 +139,8 @@ _swrast_span_default_attribs(struct gl_context *ctx, SWspan *span)
       for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
          const GLuint attr = FRAG_ATTRIB_TEX0 + i;
          const GLfloat *tc = ctx->Current.RasterTexCoords[i];
-         if (ctx->FragmentProgram._Current || ctx->ATIFragmentShader._Enabled) {
+         if (_swrast_use_fragment_program(ctx) ||
+             ctx->ATIFragmentShader._Enabled) {
             COPY_4V(span->attrStart[attr], tc);
          }
          else if (tc[3] > 0.0F) {
@@ -498,7 +499,7 @@ interpolate_texcoords(struct gl_context *ctx, SWspan *span)
                swrast_texture_image_const(img);
 
             needLambda = (obj->Sampler.MinFilter != obj->Sampler.MagFilter)
-               || ctx->FragmentProgram._Current;
+               || _swrast_use_fragment_program(ctx);
             /* LOD is calculated directly in the ansiotropic filter, we can
              * skip the normal lambda function as the result is ignored.
              */
@@ -518,7 +519,7 @@ interpolate_texcoords(struct gl_context *ctx, SWspan *span)
 
          if (needLambda) {
             GLuint i;
-            if (ctx->FragmentProgram._Current
+            if (_swrast_use_fragment_program(ctx)
                 || ctx->ATIFragmentShader._Enabled) {
                /* do perspective correction but don't divide s, t, r by q */
                const GLfloat dwdx = span->attrStepX[FRAG_ATTRIB_WPOS][3];
@@ -559,7 +560,7 @@ interpolate_texcoords(struct gl_context *ctx, SWspan *span)
          }
          else {
             GLuint i;
-            if (ctx->FragmentProgram._Current ||
+            if (_swrast_use_fragment_program(ctx) ||
                 ctx->ATIFragmentShader._Enabled) {
                /* do perspective correction but don't divide s, t, r by q */
                const GLfloat dwdx = span->attrStepX[FRAG_ATTRIB_WPOS][3];
@@ -833,7 +834,7 @@ add_specular(struct gl_context *ctx, SWspan *span)
    GLfloat (*col1)[4] = span->array->attribs[FRAG_ATTRIB_COL1];
    GLuint i;
 
-   ASSERT(!ctx->FragmentProgram._Current);
+   ASSERT(!_swrast_use_fragment_program(ctx));
    ASSERT(span->arrayMask & SPAN_RGBA);
    ASSERT(swrast->_ActiveAttribMask & FRAG_BIT_COL1);
    (void) swrast; /* silence warning */
@@ -971,25 +972,7 @@ convert_color_type(SWspan *span, GLenum newType, GLuint output)
 static inline void
 shade_texture_span(struct gl_context *ctx, SWspan *span)
 {
-   /* This is a hack to work around drivers such as i965 that:
-    *
-    *     - Set _MaintainTexEnvProgram to generate GLSL IR for
-    *       fixed-function fragment processing.
-    *     - Don't call _mesa_ir_link_shader to generate Mesa IR from
-    *       the GLSL IR.
-    *     - May use swrast to handle glDrawPixels.
-    *
-    * Since _mesa_ir_link_shader is never called, there is no Mesa IR
-    * to execute.  Instead do regular fixed-function processing.
-    *
-    * It is also worth noting that the software fixed-function path is
-    * much faster than the software shader path.
-    */
-   const bool use_fragment_program =
-      ctx->FragmentProgram._Current
-      && ctx->FragmentProgram._Current != ctx->FragmentProgram._TexEnvProgram;
-
-   if (use_fragment_program ||
+   if (_swrast_use_fragment_program(ctx) ||
        ctx->ATIFragmentShader._Enabled) {
       /* programmable shading */
       if (span->primitive == GL_BITMAP && span->array->ChanType != GL_FLOAT) {
@@ -1018,7 +1001,7 @@ shade_texture_span(struct gl_context *ctx, SWspan *span)
          interpolate_wpos(ctx, span);
 
       /* Run fragment program/shader now */
-      if (use_fragment_program) {
+      if (_swrast_use_fragment_program(ctx)) {
          _swrast_exec_fragment_program(ctx, span);
       }
       else {
@@ -1052,8 +1035,8 @@ put_values(struct gl_context *ctx, struct gl_renderbuffer *rb,
            GLuint count, const GLint x[], const GLint y[],
            const void *values, const GLubyte *mask)
 {
-   gl_pack_ubyte_rgba_func pack_ubyte;
-   gl_pack_float_rgba_func pack_float;
+   gl_pack_ubyte_rgba_func pack_ubyte = NULL;
+   gl_pack_float_rgba_func pack_float = NULL;
    GLuint i;
 
    if (datatype == GL_UNSIGNED_BYTE)
@@ -1151,7 +1134,7 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span)
    const GLbitfield64 origArrayAttribs = span->arrayAttribs;
    const GLenum origChanType = span->array->ChanType;
    void * const origRgba = span->array->rgba;
-   const GLboolean shader = (ctx->FragmentProgram._Current
+   const GLboolean shader = (_swrast_use_fragment_program(ctx)
                              || ctx->ATIFragmentShader._Enabled);
    const GLboolean shaderOrTexture = shader || ctx->Texture._EnabledCoordUnits;
    struct gl_framebuffer *fb = ctx->DrawBuffer;
@@ -1326,7 +1309,8 @@ _swrast_write_rgba_span( struct gl_context *ctx, SWspan *span)
       const GLuint numBuffers = fb->_NumColorDrawBuffers;
       const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
       const GLboolean multiFragOutputs = 
-         (fp && fp->Base.OutputsWritten >= (1 << FRAG_RESULT_DATA0));
+         _swrast_use_fragment_program(ctx)
+         && fp->Base.OutputsWritten >= (1 << FRAG_RESULT_DATA0);
       GLuint buf;
 
       for (buf = 0; buf < numBuffers; buf++) {
diff --git a/mesalib/src/mesa/swrast/s_triangle.c b/mesalib/src/mesa/swrast/s_triangle.c
index 124aa5f8e..ddb4792f7 100644
--- a/mesalib/src/mesa/swrast/s_triangle.c
+++ b/mesalib/src/mesa/swrast/s_triangle.c
@@ -1038,7 +1038,7 @@ _swrast_choose_triangle( struct gl_context *ctx )
        * needs to be interpolated.
        */
       if (ctx->Texture._EnabledCoordUnits ||
-          ctx->FragmentProgram._Current ||
+	  _swrast_use_fragment_program(ctx) ||
           ctx->ATIFragmentShader._Enabled ||
           _mesa_need_secondary_color(ctx) ||
           swrast->_FogEnabled) {
@@ -1060,7 +1060,7 @@ _swrast_choose_triangle( struct gl_context *ctx )
 
          /* First see if we can use an optimized 2-D texture function */
          if (ctx->Texture._EnabledCoordUnits == 0x1
-             && !ctx->FragmentProgram._Current
+             && !_swrast_use_fragment_program(ctx)
              && !ctx->ATIFragmentShader._Enabled
              && ctx->Texture._EnabledUnits == 0x1
              && ctx->Texture.Unit[0]._ReallyEnabled == TEXTURE_2D_BIT