svn merge ^/branches/released .

28 files changed, 101 insertions, 49 deletions

diff --git a/mesalib/src/mesa/swrast/s_aaline.h b/mesalib/src/mesa/swrast/s_aaline.h
index f1d708ec8..922eb230e 100644
--- a/mesalib/src/mesa/swrast/s_aaline.h
+++ b/mesalib/src/mesa/swrast/s_aaline.h
@@ -28,7 +28,7 @@
 #define S_AALINE_H
 
 
-#include "swrast.h"
+#include "main/mtypes.h"
 
 
 extern void
diff --git a/mesalib/src/mesa/swrast/s_aatriangle.h b/mesalib/src/mesa/swrast/s_aatriangle.h
index 4b57fa73a..9aed41a19 100644
--- a/mesalib/src/mesa/swrast/s_aatriangle.h
+++ b/mesalib/src/mesa/swrast/s_aatriangle.h
@@ -28,7 +28,7 @@
 #define S_AATRIANGLE_H
 
 
-#include "swrast.h"
+#include "main/mtypes.h"
 
 
 extern void
diff --git a/mesalib/src/mesa/swrast/s_alpha.h b/mesalib/src/mesa/swrast/s_alpha.h
index 7a5b72e65..239484a97 100644
--- a/mesalib/src/mesa/swrast/s_alpha.h
+++ b/mesalib/src/mesa/swrast/s_alpha.h
@@ -28,7 +28,8 @@
 #define S_ALPHA_H
 
 
-#include "s_context.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 
 extern GLint
diff --git a/mesalib/src/mesa/swrast/s_atifragshader.c b/mesalib/src/mesa/swrast/s_atifragshader.c
index 0f06cdf9f..1338b6802 100644
--- a/mesalib/src/mesa/swrast/s_atifragshader.c
+++ b/mesalib/src/mesa/swrast/s_atifragshader.c
@@ -21,10 +21,10 @@
 
 #include "main/glheader.h"
 #include "main/colormac.h"
-#include "main/context.h"
 #include "main/macros.h"
-#include "shader/atifragshader.h"
+#include "main/atifragshader.h"
 #include "swrast/s_atifragshader.h"
+#include "swrast/s_context.h"
 
 
 /**
diff --git a/mesalib/src/mesa/swrast/s_atifragshader.h b/mesalib/src/mesa/swrast/s_atifragshader.h
index 871a0c045..cce455a04 100644
--- a/mesalib/src/mesa/swrast/s_atifragshader.h
+++ b/mesalib/src/mesa/swrast/s_atifragshader.h
@@ -27,7 +27,8 @@
 #define S_ATIFRAGSHADER_H
 
 
-#include "s_context.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 
 extern void
diff --git a/mesalib/src/mesa/swrast/s_blend.h b/mesalib/src/mesa/swrast/s_blend.h
index 8d5a81635..9cedde3bf 100644
--- a/mesalib/src/mesa/swrast/s_blend.h
+++ b/mesalib/src/mesa/swrast/s_blend.h
@@ -27,7 +27,8 @@
 #define S_BLEND_H
 
 
-#include "s_context.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 
 extern void
diff --git a/mesalib/src/mesa/swrast/s_clear.c b/mesalib/src/mesa/swrast/s_clear.c
index 7b0a63391..efe500ae2 100644
--- a/mesalib/src/mesa/swrast/s_clear.c
+++ b/mesalib/src/mesa/swrast/s_clear.c
@@ -25,7 +25,6 @@
 #include "main/glheader.h"
 #include "main/colormac.h"
 #include "main/condrender.h"
-#include "main/formats.h"
 #include "main/macros.h"
 #include "main/imports.h"
 #include "main/mtypes.h"
diff --git a/mesalib/src/mesa/swrast/s_context.c b/mesalib/src/mesa/swrast/s_context.c
index 751966348..f76a2b68e 100644
--- a/mesalib/src/mesa/swrast/s_context.c
+++ b/mesalib/src/mesa/swrast/s_context.c
@@ -28,12 +28,11 @@
 
 #include "main/imports.h"
 #include "main/bufferobj.h"
-#include "main/context.h"
 #include "main/colormac.h"
 #include "main/mtypes.h"
 #include "main/teximage.h"
-#include "shader/prog_parameter.h"
-#include "shader/prog_statevars.h"
+#include "program/prog_parameter.h"
+#include "program/prog_statevars.h"
 #include "swrast.h"
 #include "s_blend.h"
 #include "s_context.h"
@@ -951,7 +950,7 @@ _swrast_print_vertex( GLcontext *ctx, const SWvertex *v )
                   v->attrib[FRAG_ATTRIB_COL1][2],
                   v->attrib[FRAG_ATTRIB_COL1][3]);
       _mesa_debug(ctx, "fog %f\n", v->attrib[FRAG_ATTRIB_FOGC][0]);
-      _mesa_debug(ctx, "index %d\n", v->attrib[FRAG_ATTRIB_CI][0]);
+      _mesa_debug(ctx, "index %f\n", v->attrib[FRAG_ATTRIB_CI][0]);
       _mesa_debug(ctx, "pointsize %f\n", v->pointSize);
       _mesa_debug(ctx, "\n");
    }
diff --git a/mesalib/src/mesa/swrast/s_context.h b/mesalib/src/mesa/swrast/s_context.h
index 9059f9b5e..6d81f7476 100644
--- a/mesalib/src/mesa/swrast/s_context.h
+++ b/mesalib/src/mesa/swrast/s_context.h
@@ -43,8 +43,9 @@
 #ifndef S_CONTEXT_H
 #define S_CONTEXT_H
 
+#include "main/compiler.h"
 #include "main/mtypes.h"
-#include "shader/prog_execute.h"
+#include "program/prog_execute.h"
 #include "swrast.h"
 #include "s_span.h"
 
diff --git a/mesalib/src/mesa/swrast/s_depth.c b/mesalib/src/mesa/swrast/s_depth.c
index ed637cac1..f952fd6ba 100644
--- a/mesalib/src/mesa/swrast/s_depth.c
+++ b/mesalib/src/mesa/swrast/s_depth.c
@@ -30,7 +30,6 @@
 #include "main/imports.h"
 
 #include "s_depth.h"
-#include "s_context.h"
 #include "s_span.h"
 
 
diff --git a/mesalib/src/mesa/swrast/s_depth.h b/mesalib/src/mesa/swrast/s_depth.h
index 7eae36674..878d242f5 100644
--- a/mesalib/src/mesa/swrast/s_depth.h
+++ b/mesalib/src/mesa/swrast/s_depth.h
@@ -27,7 +27,8 @@
 #define S_DEPTH_H
 
 
-#include "s_context.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 
 extern GLuint
diff --git a/mesalib/src/mesa/swrast/s_feedback.c b/mesalib/src/mesa/swrast/s_feedback.c
index 373b1416e..6ac8ac73b 100644
--- a/mesalib/src/mesa/swrast/s_feedback.c
+++ b/mesalib/src/mesa/swrast/s_feedback.c
@@ -24,7 +24,6 @@
 
 #include "main/glheader.h"
 #include "main/colormac.h"
-#include "main/context.h"
 #include "main/feedback.h"
 #include "main/macros.h"
 
diff --git a/mesalib/src/mesa/swrast/s_fog.c b/mesalib/src/mesa/swrast/s_fog.c
index 3fc843921..689500a61 100644
--- a/mesalib/src/mesa/swrast/s_fog.c
+++ b/mesalib/src/mesa/swrast/s_fog.c
@@ -25,7 +25,6 @@
 
 #include "main/glheader.h"
 #include "main/colormac.h"
-#include "main/context.h"
 #include "main/macros.h"
 
 #include "s_context.h"
diff --git a/mesalib/src/mesa/swrast/s_fog.h b/mesalib/src/mesa/swrast/s_fog.h
index 06107de3f..a496746d1 100644
--- a/mesalib/src/mesa/swrast/s_fog.h
+++ b/mesalib/src/mesa/swrast/s_fog.h
@@ -28,7 +28,8 @@
 #define S_FOG_H
 
 
-#include "swrast.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 
 extern GLfloat
diff --git a/mesalib/src/mesa/swrast/s_fragprog.c b/mesalib/src/mesa/swrast/s_fragprog.c
index 7c1de62e8..9facb44d9 100644
--- a/mesalib/src/mesa/swrast/s_fragprog.c
+++ b/mesalib/src/mesa/swrast/s_fragprog.c
@@ -24,9 +24,9 @@
 
 #include "main/glheader.h"
 #include "main/colormac.h"
-#include "main/context.h"
-#include "shader/prog_instruction.h"
+#include "program/prog_instruction.h"
 
+#include "s_context.h"
 #include "s_fragprog.h"
 #include "s_span.h"
 
diff --git a/mesalib/src/mesa/swrast/s_fragprog.h b/mesalib/src/mesa/swrast/s_fragprog.h
index e1b7e6791..92b9d01e1 100644
--- a/mesalib/src/mesa/swrast/s_fragprog.h
+++ b/mesalib/src/mesa/swrast/s_fragprog.h
@@ -27,7 +27,8 @@
 #define S_FRAGPROG_H
 
 
-#include "s_context.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 
 extern void
diff --git a/mesalib/src/mesa/swrast/s_logic.h b/mesalib/src/mesa/swrast/s_logic.h
index e8cfae33f..d60951334 100644
--- a/mesalib/src/mesa/swrast/s_logic.h
+++ b/mesalib/src/mesa/swrast/s_logic.h
@@ -27,7 +27,8 @@
 #define S_LOGIC_H
 
 
-#include "swrast.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 extern void
 _swrast_logicop_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
diff --git a/mesalib/src/mesa/swrast/s_masking.h b/mesalib/src/mesa/swrast/s_masking.h
index 3ba4f8356..cb000da0f 100644
--- a/mesalib/src/mesa/swrast/s_masking.h
+++ b/mesalib/src/mesa/swrast/s_masking.h
@@ -27,7 +27,8 @@
 #define S_MASKING_H
 
 
-#include "swrast.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 
 extern void
diff --git a/mesalib/src/mesa/swrast/s_points.c b/mesalib/src/mesa/swrast/s_points.c
index 1663ece82..12431662c 100644
--- a/mesalib/src/mesa/swrast/s_points.c
+++ b/mesalib/src/mesa/swrast/s_points.c
@@ -25,7 +25,6 @@
 
 #include "main/glheader.h"
 #include "main/colormac.h"
-#include "main/context.h"
 #include "main/macros.h"
 #include "s_context.h"
 #include "s_feedback.h"
diff --git a/mesalib/src/mesa/swrast/s_readpix.c b/mesalib/src/mesa/swrast/s_readpix.c
index 368311e14..1de481248 100644
--- a/mesalib/src/mesa/swrast/s_readpix.c
+++ b/mesalib/src/mesa/swrast/s_readpix.c
@@ -27,7 +27,6 @@
 #include "main/bufferobj.h"
 #include "main/colormac.h"
 #include "main/convolve.h"
-#include "main/context.h"
 #include "main/feedback.h"
 #include "main/formats.h"
 #include "main/image.h"
@@ -192,7 +191,8 @@ fast_read_rgba_pixels( GLcontext *ctx,
    if (!rb)
       return GL_FALSE;
 
-   ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB);
+   ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB ||
+	  rb->_BaseFormat == GL_ALPHA);
 
    /* clipping should have already been done */
    ASSERT(x + width <= (GLint) rb->Width);
@@ -265,10 +265,18 @@ adjust_colors(const struct gl_framebuffer *fb, GLuint n, GLfloat rgba[][4])
    const GLuint rShift = 8 - fb->Visual.redBits;
    const GLuint gShift = 8 - fb->Visual.greenBits;
    const GLuint bShift = 8 - fb->Visual.blueBits;
-   const GLfloat rScale = 1.0F / (GLfloat) ((1 << fb->Visual.redBits  ) - 1);
-   const GLfloat gScale = 1.0F / (GLfloat) ((1 << fb->Visual.greenBits) - 1);
-   const GLfloat bScale = 1.0F / (GLfloat) ((1 << fb->Visual.blueBits ) - 1);
+   GLfloat rScale = 1.0F / (GLfloat) ((1 << fb->Visual.redBits  ) - 1);
+   GLfloat gScale = 1.0F / (GLfloat) ((1 << fb->Visual.greenBits) - 1);
+   GLfloat bScale = 1.0F / (GLfloat) ((1 << fb->Visual.blueBits ) - 1);
    GLuint i;
+
+   if (fb->Visual.redBits == 0)
+      rScale = 0;
+   if (fb->Visual.greenBits == 0)
+      gScale = 0;
+   if (fb->Visual.blueBits == 0)
+      bScale = 0;
+
    for (i = 0; i < n; i++) {
       GLint r, g, b;
       /* convert float back to ubyte */
diff --git a/mesalib/src/mesa/swrast/s_span.c b/mesalib/src/mesa/swrast/s_span.c
index 687c8eb0b..28c82990e 100644
--- a/mesalib/src/mesa/swrast/s_span.c
+++ b/mesalib/src/mesa/swrast/s_span.c
@@ -33,7 +33,6 @@
 
 #include "main/glheader.h"
 #include "main/colormac.h"
-#include "main/context.h"
 #include "main/macros.h"
 #include "main/imports.h"
 #include "main/image.h"
@@ -971,6 +970,10 @@ shade_texture_span(GLcontext *ctx, SWspan *span)
       if (span->primitive == GL_BITMAP && span->array->ChanType != GL_FLOAT) {
          convert_color_type(span, GL_FLOAT, 0);
       }
+      else {
+         span->array->rgba = (void *) span->array->attribs[FRAG_ATTRIB_COL0];
+      }
+
       if (span->primitive != GL_POINT ||
 	  (span->interpMask & SPAN_RGBA) ||
 	  ctx->Point.PointSprite) {
@@ -1222,9 +1225,22 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
             GLchan rgbaSave[MAX_WIDTH][4];
             const GLuint fragOutput = multiFragOutputs ? buf : 0;
 
+            /* set span->array->rgba to colors for render buffer's datatype */
             if (rb->DataType != span->array->ChanType || fragOutput > 0) {
                convert_color_type(span, rb->DataType, fragOutput);
             }
+            else {
+               if (rb->DataType == GL_UNSIGNED_BYTE) {
+                  span->array->rgba = span->array->rgba8;
+               }
+               else if (rb->DataType == GL_UNSIGNED_SHORT) {
+                  span->array->rgba = (void *) span->array->rgba16;
+               }
+               else {
+                  span->array->rgba = (void *)
+                     span->array->attribs[FRAG_ATTRIB_COL0];
+               }
+            }
 
             if (!multiFragOutputs && numBuffers > 1) {
                /* save colors for second, third renderbuffer writes */
@@ -1232,7 +1248,8 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span)
                       4 * span->end * sizeof(GLchan));
             }
 
-            ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB);
+            ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB ||
+		   rb->_BaseFormat == GL_ALPHA);
 
             if (ctx->Color._LogicOpEnabled) {
                _swrast_logicop_rgba_span(ctx, rb, span);
@@ -1330,7 +1347,8 @@ _swrast_read_rgba_span( GLcontext *ctx, struct gl_renderbuffer *rb,
 
       ASSERT(rb);
       ASSERT(rb->GetRow);
-      ASSERT(rb->_BaseFormat == GL_RGB || rb->_BaseFormat == GL_RGBA);
+      ASSERT(rb->_BaseFormat == GL_RGB || rb->_BaseFormat == GL_RGBA ||
+	     rb->_BaseFormat == GL_ALPHA);
 
       if (rb->DataType == dstType) {
          rb->GetRow(ctx, rb, length, x + skip, y,
diff --git a/mesalib/src/mesa/swrast/s_stencil.h b/mesalib/src/mesa/swrast/s_stencil.h
index cd6cbc57b..c076ebbe2 100644
--- a/mesalib/src/mesa/swrast/s_stencil.h
+++ b/mesalib/src/mesa/swrast/s_stencil.h
@@ -27,7 +27,8 @@
 #define S_STENCIL_H
 
 
-#include "swrast.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 
 
diff --git a/mesalib/src/mesa/swrast/s_texcombine.c b/mesalib/src/mesa/swrast/s_texcombine.c
index f322663ad..2ac0aaa24 100644
--- a/mesalib/src/mesa/swrast/s_texcombine.c
+++ b/mesalib/src/mesa/swrast/s_texcombine.c
@@ -29,7 +29,7 @@
 #include "main/colormac.h"
 #include "main/image.h"
 #include "main/imports.h"
-#include "shader/prog_instruction.h"
+#include "program/prog_instruction.h"
 
 #include "s_context.h"
 #include "s_texcombine.h"
diff --git a/mesalib/src/mesa/swrast/s_texcombine.h b/mesalib/src/mesa/swrast/s_texcombine.h
index 9ed96efb8..4f5dfbe1a 100644
--- a/mesalib/src/mesa/swrast/s_texcombine.h
+++ b/mesalib/src/mesa/swrast/s_texcombine.h
@@ -27,7 +27,8 @@
 #define S_TEXCOMBINE_H
 
 
-#include "swrast.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 extern void
 _swrast_texture_span( GLcontext *ctx, SWspan *span );
diff --git a/mesalib/src/mesa/swrast/s_texfilter.c b/mesalib/src/mesa/swrast/s_texfilter.c
index 997c2f4bb..3fc554c5a 100644
--- a/mesalib/src/mesa/swrast/s_texfilter.c
+++ b/mesalib/src/mesa/swrast/s_texfilter.c
@@ -488,14 +488,15 @@ tex_array_slice(GLfloat coord, GLsizei size)
 
 /**
  * Compute nearest integer texcoords for given texobj and coordinate.
+ * NOTE: only used for depth texture sampling.
  */
 static INLINE void
 nearest_texcoord(const struct gl_texture_object *texObj,
+                 GLuint level,
                  const GLfloat texcoord[4],
                  GLint *i, GLint *j, GLint *k)
 {
-   const GLint baseLevel = texObj->BaseLevel;
-   const struct gl_texture_image *img = texObj->Image[0][baseLevel];
+   const struct gl_texture_image *img = texObj->Image[0][level];
    const GLint width = img->Width;
    const GLint height = img->Height;
    const GLint depth = img->Depth;
@@ -534,15 +535,16 @@ nearest_texcoord(const struct gl_texture_object *texObj,
 
 /**
  * Compute linear integer texcoords for given texobj and coordinate.
+ * NOTE: only used for depth texture sampling.
  */
 static INLINE void
 linear_texcoord(const struct gl_texture_object *texObj,
+                GLuint level,
                 const GLfloat texcoord[4],
                 GLint *i0, GLint *i1, GLint *j0, GLint *j1, GLint *slice,
                 GLfloat *wi, GLfloat *wj)
 {
-   const GLint baseLevel = texObj->BaseLevel;
-   const struct gl_texture_image *img = texObj->Image[0][baseLevel];
+   const struct gl_texture_image *img = texObj->Image[0][level];
    const GLint width = img->Width;
    const GLint height = img->Height;
    const GLint depth = img->Depth;
@@ -2963,7 +2965,26 @@ shadow_compare4(GLenum function, GLfloat coord,
 
 
 /**
- * Sample a shadow/depth texture.
+ * Choose the mipmap level to use when sampling from a depth texture.
+ */
+static int
+choose_depth_texture_level(const struct gl_texture_object *tObj, GLfloat lambda)
+{
+   GLint level;
+
+   lambda = CLAMP(lambda, tObj->MinLod, tObj->MaxLod);
+
+   level = (GLint) lambda;
+
+   level = CLAMP(level, tObj->BaseLevel, tObj->_MaxLevel);
+
+   return level;
+}
+
+
+/**
+ * Sample a shadow/depth texture.  This function is incomplete.  It doesn't
+ * check for minification vs. magnification, etc.
  */
 static void
 sample_depth_texture( GLcontext *ctx,
@@ -2971,8 +2992,8 @@ sample_depth_texture( GLcontext *ctx,
                       const GLfloat texcoords[][4], const GLfloat lambda[],
                       GLfloat texel[][4] )
 {
-   const GLint baseLevel = tObj->BaseLevel;
-   const struct gl_texture_image *img = tObj->Image[0][baseLevel];
+   const GLint level = choose_depth_texture_level(tObj, lambda[0]);
+   const struct gl_texture_image *img = tObj->Image[0][level];
    const GLint width = img->Width;
    const GLint height = img->Height;
    const GLint depth = img->Depth;
@@ -2982,8 +3003,6 @@ sample_depth_texture( GLcontext *ctx,
    GLenum function;
    GLfloat result;
 
-   (void) lambda;
-
    ASSERT(img->_BaseFormat == GL_DEPTH_COMPONENT ||
           img->_BaseFormat == GL_DEPTH_STENCIL_EXT);
 
@@ -3006,7 +3025,7 @@ sample_depth_texture( GLcontext *ctx,
          GLfloat depthSample;
          GLint col, row, slice;
 
-         nearest_texcoord(tObj, texcoords[i], &col, &row, &slice);
+         nearest_texcoord(tObj, level, texcoords[i], &col, &row, &slice);
 
          if (col >= 0 && row >= 0 && col < width && row < height && 
              slice >= 0 && slice < depth) {
@@ -3044,7 +3063,7 @@ sample_depth_texture( GLcontext *ctx,
          GLfloat wi, wj;
          GLuint useBorderTexel;
 
-         linear_texcoord(tObj, texcoords[i], &i0, &i1, &j0, &j1, &slice,
+         linear_texcoord(tObj, level, texcoords[i], &i0, &i1, &j0, &j1, &slice,
                          &wi, &wj);
 
          useBorderTexel = 0;
diff --git a/mesalib/src/mesa/swrast/s_texfilter.h b/mesalib/src/mesa/swrast/s_texfilter.h
index 2e265d685..eceab5965 100644
--- a/mesalib/src/mesa/swrast/s_texfilter.h
+++ b/mesalib/src/mesa/swrast/s_texfilter.h
@@ -27,7 +27,8 @@
 #define S_TEXFILTER_H
 
 
-#include "swrast.h"
+#include "main/mtypes.h"
+#include "s_context.h"
 
 
 extern texture_sample_func
diff --git a/mesalib/src/mesa/swrast/s_triangle.c b/mesalib/src/mesa/swrast/s_triangle.c
index 812dddf15..d1b369bcd 100644
--- a/mesalib/src/mesa/swrast/s_triangle.c
+++ b/mesalib/src/mesa/swrast/s_triangle.c
@@ -35,7 +35,7 @@
 #include "main/imports.h"
 #include "main/macros.h"
 #include "main/texformat.h"
-#include "shader/prog_instruction.h"
+#include "program/prog_instruction.h"
 
 #include "s_aatriangle.h"
 #include "s_context.h"
diff --git a/mesalib/src/mesa/swrast/s_zoom.h b/mesalib/src/mesa/swrast/s_zoom.h
index 43917be65..09f624efa 100644
--- a/mesalib/src/mesa/swrast/s_zoom.h
+++ b/mesalib/src/mesa/swrast/s_zoom.h
@@ -25,7 +25,8 @@
 #ifndef S_ZOOM_H
 #define S_ZOOM_H
 
-#include "swrast.h"
+#include "main/mtypes.h"
+#include "s_span.h"
 
 
 extern void