Merge remote-tracking branch 'origin/released'

Conflicts:
	xorg-server/glx/glxdriswrast.c
	xorg-server/glx/single2.c
	xorg-server/hw/xwin/winconfig.c
	xorg-server/os/osinit.c
	xorg-server/os/xdmcp.c
	xorg-server/xkb/xkbInit.c

15 files changed, 185 insertions, 112 deletions

diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index d5a891435..8ebc05139 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -81,7 +81,7 @@ static const struct extension extension_table[] = {
    { "GL_ARB_blend_func_extended",                 o(ARB_blend_func_extended),                 GL,             2009 },
    { "GL_ARB_color_buffer_float",                  o(ARB_color_buffer_float),                  GL,             2004 },
    { "GL_ARB_copy_buffer",                         o(ARB_copy_buffer),                         GL,             2008 },
-   { "GL_ARB_conservative_depth",                  o(AMD_conservative_depth),                  GL,             2011 },
+   { "GL_ARB_conservative_depth",                  o(ARB_conservative_depth),                  GL,             2011 },
    { "GL_ARB_depth_buffer_float",                  o(ARB_depth_buffer_float),                  GL,             2008 },
    { "GL_ARB_depth_clamp",                         o(ARB_depth_clamp),                         GL,             2003 },
    { "GL_ARB_depth_texture",                       o(ARB_depth_texture),                       GL,             2001 },
@@ -257,7 +257,7 @@ static const struct extension extension_table[] = {
 
    /* Vendor extensions */
    { "GL_3DFX_texture_compression_FXT1",           o(TDFX_texture_compression_FXT1),           GL,             1999 },
-   { "GL_AMD_conservative_depth",                  o(AMD_conservative_depth),                  GL,             2009 },
+   { "GL_AMD_conservative_depth",                  o(ARB_conservative_depth),                  GL,             2009 },
    { "GL_AMD_draw_buffers_blend",                  o(ARB_draw_buffers_blend),                  GL,             2009 },
    { "GL_AMD_seamless_cubemap_per_texture",        o(AMD_seamless_cubemap_per_texture),        GL,             2009 },
    { "GL_AMD_shader_stencil_export",               o(ARB_shader_stencil_export),               GL,             2009 },
diff --git a/mesalib/src/mesa/main/format_unpack.c b/mesalib/src/mesa/main/format_unpack.c
index 6e2ce7a05..080392f2b 100644
--- a/mesalib/src/mesa/main/format_unpack.c
+++ b/mesalib/src/mesa/main/format_unpack.c
@@ -936,7 +936,7 @@ unpack_INTENSITY_FLOAT16(const void *src, GLfloat dst[][4], GLuint n)
       dst[i][RCOMP] =
       dst[i][GCOMP] =
       dst[i][BCOMP] =
-      dst[i][ACOMP] = s[i];
+      dst[i][ACOMP] = _mesa_half_to_float(s[i]);
    }
 }
 
@@ -1751,6 +1751,12 @@ unpack_float_z_Z32(GLuint n, const void *src, GLfloat *dst)
 }
 
 static void
+unpack_float_z_Z32F(GLuint n, const void *src, GLfloat *dst)
+{
+   memcpy(dst, src, n * sizeof(float));
+}
+
+static void
 unpack_float_z_Z32X24S8(GLuint n, const void *src, GLfloat *dst)
 {
    const GLfloat *s = ((const GLfloat *) src);
@@ -1783,6 +1789,9 @@ _mesa_unpack_float_z_row(gl_format format, GLuint n,
    case MESA_FORMAT_Z32:
       unpack = unpack_float_z_Z32;
       break;
+   case MESA_FORMAT_Z32_FLOAT:
+      unpack = unpack_float_z_Z32F;
+      break;
    case MESA_FORMAT_Z32_FLOAT_X24S8:
       unpack = unpack_float_z_Z32X24S8;
       break;
@@ -1959,7 +1968,8 @@ _mesa_unpack_uint_24_8_depth_stencil_row(gl_format format, GLuint n,
       unpack_uint_24_8_depth_stencil_S8_Z24(src, dst, n);
       break;
    default:
-      _mesa_problem(NULL, "bad format %s in _mesa_unpack_ubyte_s_row",
+      _mesa_problem(NULL,
+                    "bad format %s in _mesa_unpack_uint_24_8_depth_stencil_row",
                     _mesa_get_format_name(format));
       return;
    }
diff --git a/mesalib/src/mesa/main/formats.c b/mesalib/src/mesa/main/formats.c
index c6febb0e5..b934bd4d8 100644
--- a/mesalib/src/mesa/main/formats.c
+++ b/mesalib/src/mesa/main/formats.c
@@ -414,7 +414,7 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       MESA_FORMAT_Z24_S8,          /* Name */
       "MESA_FORMAT_Z24_S8",        /* StrName */
       GL_DEPTH_STENCIL,            /* BaseFormat */
-      GL_UNSIGNED_INT,             /* DataType */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
       0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
       0, 0, 0, 24, 8,              /* Lum/Int/Index/Depth/StencilBits */
       1, 1, 4                      /* BlockWidth/Height,Bytes */
@@ -423,7 +423,7 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       MESA_FORMAT_S8_Z24,          /* Name */
       "MESA_FORMAT_S8_Z24",        /* StrName */
       GL_DEPTH_STENCIL,            /* BaseFormat */
-      GL_UNSIGNED_INT,             /* DataType */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
       0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
       0, 0, 0, 24, 8,              /* Lum/Int/Index/Depth/StencilBits */
       1, 1, 4                      /* BlockWidth/Height,Bytes */
@@ -432,7 +432,7 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       MESA_FORMAT_Z16,             /* Name */
       "MESA_FORMAT_Z16",           /* StrName */
       GL_DEPTH_COMPONENT,          /* BaseFormat */
-      GL_UNSIGNED_INT,             /* DataType */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
       0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
       0, 0, 0, 16, 0,              /* Lum/Int/Index/Depth/StencilBits */
       1, 1, 2                      /* BlockWidth/Height,Bytes */
@@ -441,7 +441,7 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       MESA_FORMAT_X8_Z24,          /* Name */
       "MESA_FORMAT_X8_Z24",        /* StrName */
       GL_DEPTH_COMPONENT,          /* BaseFormat */
-      GL_UNSIGNED_INT,             /* DataType */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
       0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
       0, 0, 0, 24, 0,              /* Lum/Int/Index/Depth/StencilBits */
       1, 1, 4                      /* BlockWidth/Height,Bytes */
@@ -450,7 +450,7 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       MESA_FORMAT_Z24_X8,          /* Name */
       "MESA_FORMAT_Z24_X8",        /* StrName */
       GL_DEPTH_COMPONENT,          /* BaseFormat */
-      GL_UNSIGNED_INT,             /* DataType */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
       0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
       0, 0, 0, 24, 0,              /* Lum/Int/Index/Depth/StencilBits */
       1, 1, 4                      /* BlockWidth/Height,Bytes */
@@ -459,7 +459,7 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
       MESA_FORMAT_Z32,             /* Name */
       "MESA_FORMAT_Z32",           /* StrName */
       GL_DEPTH_COMPONENT,          /* BaseFormat */
-      GL_UNSIGNED_INT,             /* DataType */
+      GL_UNSIGNED_NORMALIZED,      /* DataType */
       0, 0, 0, 0,                  /* Red/Green/Blue/AlphaBits */
       0, 0, 0, 32, 0,              /* Lum/Int/Index/Depth/StencilBits */
       1, 1, 4                      /* BlockWidth/Height,Bytes */
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index b3427dac1..96a44266c 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -2844,6 +2844,7 @@ struct gl_extensions
    GLboolean ARB_ES2_compatibility;
    GLboolean ARB_blend_func_extended;
    GLboolean ARB_color_buffer_float;
+   GLboolean ARB_conservative_depth;
    GLboolean ARB_copy_buffer;
    GLboolean ARB_depth_buffer_float;
    GLboolean ARB_depth_clamp;
@@ -2942,7 +2943,6 @@ struct gl_extensions
    GLboolean EXT_vertex_array_bgra;
    GLboolean OES_standard_derivatives;
    /* vendor extensions */
-   GLboolean AMD_conservative_depth;
    GLboolean AMD_seamless_cubemap_per_texture;
    GLboolean APPLE_packed_pixels;
    GLboolean APPLE_vertex_array_object;
diff --git a/mesalib/src/mesa/main/readpix.c b/mesalib/src/mesa/main/readpix.c
index 8048a7286..a7b7ed7f2 100644
--- a/mesalib/src/mesa/main/readpix.c
+++ b/mesalib/src/mesa/main/readpix.c
@@ -60,7 +60,7 @@ fast_read_depth_pixels( struct gl_context *ctx,
    if (packing->SwapBytes)
       return GL_FALSE;
 
-   if (_mesa_get_format_datatype(rb->Format) != GL_UNSIGNED_INT)
+   if (_mesa_get_format_datatype(rb->Format) != GL_UNSIGNED_NORMALIZED)
       return GL_FALSE;
 
    if (!((type == GL_UNSIGNED_SHORT && rb->Format == MESA_FORMAT_Z16) ||
@@ -381,7 +381,7 @@ fast_read_depth_stencil_pixels_separate(struct gl_context *ctx,
    GLubyte *depthMap, *stencilMap;
    int depthStride, stencilStride, i, j;
 
-   if (_mesa_get_format_datatype(depthRb->Format) != GL_UNSIGNED_INT)
+   if (_mesa_get_format_datatype(depthRb->Format) != GL_UNSIGNED_NORMALIZED)
       return GL_FALSE;
 
    ctx->Driver.MapRenderbuffer(ctx, depthRb, x, y, width, height,
diff --git a/mesalib/src/mesa/main/texformat.c b/mesalib/src/mesa/main/texformat.c
index aebe38ee0..ee9552bc0 100644
--- a/mesalib/src/mesa/main/texformat.c
+++ b/mesalib/src/mesa/main/texformat.c
@@ -326,6 +326,8 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
          case GL_ALPHA32F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
 	    break;
          case GL_LUMINANCE16F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
@@ -335,6 +337,8 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
          case GL_LUMINANCE32F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
 	    break;
          case GL_LUMINANCE_ALPHA16F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
@@ -344,6 +348,8 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
          case GL_LUMINANCE_ALPHA32F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
 	    break;
          case GL_INTENSITY16F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
@@ -353,15 +359,20 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
          case GL_INTENSITY32F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
 	    break;
          case GL_RGB16F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
 	    break;
          case GL_RGB32F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
 	    break;
          case GL_RGBA16F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
@@ -369,6 +380,7 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
 	    break;
          case GL_RGBA32F_ARB:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
+	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
 	    break;
          default:
             ; /* fallthrough */
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index c8ea4329f..56335ad10 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -1021,15 +1021,8 @@ make_null_texture(GLint width, GLint height, GLint depth, GLenum format)
 
 
 /**
- * Reset the fields of a gl_texture_image struct to zero.
- * 
- * \param img texture image structure.
- *
- * This is called when a proxy texture test fails, we set all the
- * image members (except DriverData) to zero.
- * It's also used in glTexImage[123]D as a safeguard to be sure all
- * required fields get initialized properly by the Driver.TexImage[123]D
- * functions.
+ * Set the size and format-related fields of a gl_texture_image struct
+ * to zero.  This is used when a proxy texture test fails.
  */
 static void
 clear_teximage_fields(struct gl_texture_image *img)
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c
index 17eac5fc9..0081c3b52 100644
--- a/mesalib/src/mesa/main/texparam.c
+++ b/mesalib/src/mesa/main/texparam.c
@@ -884,6 +884,70 @@ _mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params)
 }
 
 
+static GLboolean
+base_format_has_channel(GLenum base_format, GLenum pname)
+{
+   switch (pname) {
+   case GL_TEXTURE_RED_SIZE:
+   case GL_TEXTURE_RED_TYPE:
+      if (base_format == GL_RED ||
+	  base_format == GL_RG ||
+	  base_format == GL_RGB ||
+	  base_format == GL_RGBA) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_GREEN_SIZE:
+   case GL_TEXTURE_GREEN_TYPE:
+      if (base_format == GL_RG ||
+	  base_format == GL_RGB ||
+	  base_format == GL_RGBA) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_BLUE_SIZE:
+   case GL_TEXTURE_BLUE_TYPE:
+      if (base_format == GL_RGB ||
+	  base_format == GL_RGBA) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_ALPHA_SIZE:
+   case GL_TEXTURE_ALPHA_TYPE:
+      if (base_format == GL_RGBA ||
+	  base_format == GL_ALPHA ||
+	  base_format == GL_LUMINANCE_ALPHA) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_LUMINANCE_SIZE:
+   case GL_TEXTURE_LUMINANCE_TYPE:
+      if (base_format == GL_LUMINANCE ||
+	  base_format == GL_LUMINANCE_ALPHA) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_INTENSITY_SIZE:
+   case GL_TEXTURE_INTENSITY_TYPE:
+      if (base_format == GL_INTENSITY) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   case GL_TEXTURE_DEPTH_SIZE:
+   case GL_TEXTURE_DEPTH_TYPE:
+      if (base_format == GL_DEPTH_STENCIL ||
+	  base_format == GL_DEPTH_COMPONENT) {
+	 return GL_TRUE;
+      }
+      return GL_FALSE;
+   default:
+      _mesa_warning(NULL, "%s: Unexpected channel token 0x%x\n",
+		    __FUNCTION__, pname);
+      return GL_FALSE;
+   }
+
+   return GL_FALSE;
+}
 
 
 void GLAPIENTRY
@@ -981,27 +1045,10 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
          *params = img->Border;
          break;
       case GL_TEXTURE_RED_SIZE:
-         if (img->_BaseFormat == GL_RED) {
-            *params = _mesa_get_format_bits(texFormat, pname);
-	    break;
-	 }
-	 /* FALLTHROUGH */
       case GL_TEXTURE_GREEN_SIZE:
-         if (img->_BaseFormat == GL_RG) {
-            *params = _mesa_get_format_bits(texFormat, pname);
-	    break;
-	 }
-	 /* FALLTHROUGH */
       case GL_TEXTURE_BLUE_SIZE:
-         if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
-            *params = _mesa_get_format_bits(texFormat, pname);
-         else
-            *params = 0;
-         break;
       case GL_TEXTURE_ALPHA_SIZE:
-         if (img->_BaseFormat == GL_ALPHA ||
-             img->_BaseFormat == GL_LUMINANCE_ALPHA ||
-             img->_BaseFormat == GL_RGBA)
+         if (base_format_has_channel(img->_BaseFormat, pname))
             *params = _mesa_get_format_bits(texFormat, pname);
          else
             *params = 0;
@@ -1067,46 +1114,18 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
 
       /* GL_ARB_texture_float */
       case GL_TEXTURE_RED_TYPE_ARB:
-         if (!ctx->Extensions.ARB_texture_float)
-            goto invalid_pname;
-         *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ?
-            _mesa_get_format_datatype(texFormat) : GL_NONE;
-         break;
       case GL_TEXTURE_GREEN_TYPE_ARB:
-         if (!ctx->Extensions.ARB_texture_float)
-            goto invalid_pname;
-         *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ?
-            _mesa_get_format_datatype(texFormat) : GL_NONE;
-         break;
       case GL_TEXTURE_BLUE_TYPE_ARB:
-         if (!ctx->Extensions.ARB_texture_float)
-            goto invalid_pname;
-         *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ?
-            _mesa_get_format_datatype(texFormat) : GL_NONE;
-         break;
       case GL_TEXTURE_ALPHA_TYPE_ARB:
-         if (!ctx->Extensions.ARB_texture_float)
-            goto invalid_pname;
-         *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ?
-            _mesa_get_format_datatype(texFormat) : GL_NONE;
-         break;
       case GL_TEXTURE_LUMINANCE_TYPE_ARB:
-         if (!ctx->Extensions.ARB_texture_float)
-            goto invalid_pname;
-         *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ?
-            _mesa_get_format_datatype(texFormat) : GL_NONE;
-         break;
       case GL_TEXTURE_INTENSITY_TYPE_ARB:
-         if (!ctx->Extensions.ARB_texture_float)
-            goto invalid_pname;
-         *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ?
-            _mesa_get_format_datatype(texFormat) : GL_NONE;
-         break;
       case GL_TEXTURE_DEPTH_TYPE_ARB:
          if (!ctx->Extensions.ARB_texture_float)
             goto invalid_pname;
-         *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ?
-            _mesa_get_format_datatype(texFormat) : GL_NONE;
+	 if (base_format_has_channel(img->_BaseFormat, pname))
+	    *params = _mesa_get_format_datatype(texFormat);
+	 else
+	    *params = GL_NONE;
          break;
 
       default:
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c
index 05c1964d6..aae6b4b3b 100644
--- a/mesalib/src/mesa/main/texstore.c
+++ b/mesalib/src/mesa/main/texstore.c
@@ -986,12 +986,17 @@ _mesa_texstore_z32(TEXSTORE_PARAMS)
 {
    const GLuint depthScale = 0xffffffff;
    const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
-   const GLenum dstType = _mesa_get_format_datatype(dstFormat);
+   GLenum dstType;
    (void) dims;
    ASSERT(dstFormat == MESA_FORMAT_Z32 ||
           dstFormat == MESA_FORMAT_Z32_FLOAT);
    ASSERT(texelBytes == sizeof(GLuint));
 
+   if (dstFormat == MESA_FORMAT_Z32)
+      dstType = GL_UNSIGNED_INT;
+   else
+      dstType = GL_FLOAT;
+
    if (ctx->Pixel.DepthScale == 1.0f &&
        ctx->Pixel.DepthBias == 0.0f &&
        !srcPacking->SwapBytes &&
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 95805fd3c..912241b35 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -1441,6 +1441,13 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
 
    st_validate_state(st);
 
+   if (type == GL_DEPTH_STENCIL) {
+      /* XXX make this more efficient */
+      st_CopyPixels(ctx, srcx, srcy, width, height, dstx, dsty, GL_STENCIL);
+      st_CopyPixels(ctx, srcx, srcy, width, height, dstx, dsty, GL_DEPTH);
+      return;
+   }
+
    if (type == GL_STENCIL) {
       /* can't use texturing to do stencil */
       copy_stencil_pixels(ctx, srcx, srcy, width, height, dstx, dsty);
diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.c b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
index a351d1197..1e8ec0556 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_fbo.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.c
@@ -75,8 +75,18 @@ st_renderbuffer_alloc_storage(struct gl_context * ctx,
    enum pipe_format format;
    struct pipe_surface surf_tmpl;
 
-   format = st_choose_renderbuffer_format(screen, internalFormat,
-                                          rb->NumSamples);
+   if (internalFormat == GL_RGBA16_SNORM && strb->software) {
+      /* Special case for software accum buffers.  Otherwise, if the
+       * call to st_choose_renderbuffer_format() fails (because the
+       * driver doesn't support signed 16-bit/channel colors) we'd
+       * just return without allocating the software accum buffer.
+       */
+      format = PIPE_FORMAT_R16G16B16A16_SNORM;
+   }
+   else {
+      format = st_choose_renderbuffer_format(screen, internalFormat,
+                                             rb->NumSamples);
+   }
 
    if (format == PIPE_FORMAT_NONE) {
       return FALSE;
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 3563e1d9b..25a6cdc75 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -113,14 +113,18 @@ void st_init_limits(struct st_context *st)
               1, MAX_DRAW_BUFFERS);
 
    c->MaxLineWidth
-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH));
+      = _maxf(1.0f, screen->get_paramf(screen,
+                                       PIPE_CAPF_MAX_LINE_WIDTH));
    c->MaxLineWidthAA
-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH_AA));
+      = _maxf(1.0f, screen->get_paramf(screen,
+                                       PIPE_CAPF_MAX_LINE_WIDTH_AA));
 
    c->MaxPointSize
-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH));
+      = _maxf(1.0f, screen->get_paramf(screen,
+                                       PIPE_CAPF_MAX_POINT_WIDTH));
    c->MaxPointSizeAA
-      = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH_AA));
+      = _maxf(1.0f, screen->get_paramf(screen,
+                                       PIPE_CAPF_MAX_POINT_WIDTH_AA));
    /* called after _mesa_create_context/_mesa_init_point, fix default user
     * settable max point size up
     */
@@ -132,10 +136,11 @@ void st_init_limits(struct st_context *st)
    c->MinPointSizeAA = 0.0f;
 
    c->MaxTextureMaxAnisotropy
-      = _maxf(2.0f, screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_ANISOTROPY));
+      = _maxf(2.0f, screen->get_paramf(screen,
+                                 PIPE_CAPF_MAX_TEXTURE_ANISOTROPY));
 
    c->MaxTextureLodBias
-      = screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_LOD_BIAS);
+      = screen->get_paramf(screen, PIPE_CAPF_MAX_TEXTURE_LOD_BIAS);
 
    c->MaxDrawBuffers
       = CLAMP(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
@@ -213,15 +218,10 @@ void st_init_limits(struct st_context *st)
    c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_INPUTS) - 2;
    c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING);
 
-   /* XXX we'll need a better query here someday */
-   if (screen->get_param(screen, PIPE_CAP_GLSL)) {
-      c->MinProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MIN_TEXEL_OFFSET);
-      c->MaxProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MAX_TEXEL_OFFSET);
+   c->MinProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MIN_TEXEL_OFFSET);
+   c->MaxProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MAX_TEXEL_OFFSET);
 
-      c->GLSLVersion = 120;
-      _mesa_override_glsl_version(st->ctx);
-      c->UniformBooleanTrue = ~0;
-   }
+   c->UniformBooleanTrue = ~0;
 
    c->StripTextureBorder = GL_TRUE;
 }
@@ -249,16 +249,23 @@ void st_init_extensions(struct st_context *st)
    struct gl_context *ctx = st->ctx;
    int i;
 
+   ctx->Const.GLSLVersion = 120;
+   _mesa_override_glsl_version(st->ctx);
+
    /*
     * Extensions that are supported by all Gallium drivers:
     */
    ctx->Extensions.ARB_copy_buffer = GL_TRUE;
    ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
+   ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
    ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
    ctx->Extensions.ARB_fragment_program = GL_TRUE;
+   ctx->Extensions.ARB_fragment_shader = GL_TRUE;
    ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
    ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
    ctx->Extensions.ARB_sampler_objects = GL_TRUE;
+   ctx->Extensions.ARB_shader_objects = GL_TRUE;
+   ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
    ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; /* XXX temp */
    ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
    ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
@@ -267,6 +274,7 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.ARB_texture_storage = GL_TRUE;
    ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
    ctx->Extensions.ARB_vertex_program = GL_TRUE;
+   ctx->Extensions.ARB_vertex_shader = GL_TRUE;
    ctx->Extensions.ARB_window_pos = GL_TRUE;
 
    ctx->Extensions.EXT_blend_color = GL_TRUE;
@@ -281,6 +289,7 @@ void st_init_extensions(struct st_context *st)
    ctx->Extensions.EXT_point_parameters = GL_TRUE;
    ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
    ctx->Extensions.EXT_secondary_color = GL_TRUE;
+   ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
    ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
    ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
 
@@ -317,15 +326,6 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
    }
 
-   if (screen->get_param(screen, PIPE_CAP_GLSL)) {
-      ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-      ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-      ctx->Extensions.ARB_shader_objects = GL_TRUE;
-      ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-      ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
-      ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
-   }
-
    if (screen->get_param(screen, PIPE_CAP_BLEND_EQUATION_SEPARATE)) {
       ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
    }
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 929c7af01..74b8fa7c7 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -4803,6 +4803,8 @@ get_mesa_program(struct gl_context *ctx,
 {
    glsl_to_tgsi_visitor* v = new glsl_to_tgsi_visitor();
    struct gl_program *prog;
+   struct pipe_screen * screen = st_context(ctx)->pipe->screen;
+   unsigned pipe_shader_type;
    GLenum target;
    const char *target_string;
    bool progress;
@@ -4813,14 +4815,17 @@ get_mesa_program(struct gl_context *ctx,
    case GL_VERTEX_SHADER:
       target = GL_VERTEX_PROGRAM_ARB;
       target_string = "vertex";
+      pipe_shader_type = PIPE_SHADER_VERTEX;
       break;
    case GL_FRAGMENT_SHADER:
       target = GL_FRAGMENT_PROGRAM_ARB;
       target_string = "fragment";
+      pipe_shader_type = PIPE_SHADER_FRAGMENT;
       break;
    case GL_GEOMETRY_SHADER:
       target = GL_GEOMETRY_PROGRAM_NV;
       target_string = "geometry";
+      pipe_shader_type = PIPE_SHADER_GEOMETRY;
       break;
    default:
       assert(!"should not be reached");
@@ -4889,10 +4894,13 @@ get_mesa_program(struct gl_context *ctx,
    }
 #endif
 
-   /* Remove reads to output registers, and to varyings in vertex shaders. */
-   v->remove_output_reads(PROGRAM_OUTPUT);
-   if (target == GL_VERTEX_PROGRAM_ARB)
-      v->remove_output_reads(PROGRAM_VARYING);
+   if (!screen->get_shader_param(screen, pipe_shader_type,
+                                 PIPE_SHADER_CAP_OUTPUT_READ)) {
+      /* Remove reads to output registers, and to varyings in vertex shaders. */
+      v->remove_output_reads(PROGRAM_OUTPUT);
+      if (target == GL_VERTEX_PROGRAM_ARB)
+         v->remove_output_reads(PROGRAM_VARYING);
+   }
    
    /* Perform optimizations on the instructions in the glsl_to_tgsi_visitor. */
    v->simplify_cmp();
diff --git a/mesalib/src/mesa/swrast/s_texcombine.c b/mesalib/src/mesa/swrast/s_texcombine.c
index a7cbb4424..1fce5c565 100644
--- a/mesalib/src/mesa/swrast/s_texcombine.c
+++ b/mesalib/src/mesa/swrast/s_texcombine.c
@@ -69,17 +69,18 @@ get_texel_array(SWcontext *swrast, GLuint unit)
  *
  * \param ctx          rendering context
  * \param unit         the texture combiner unit
- * \param n            number of fragments to process (span width)
  * \param primary_rgba incoming fragment color array
  * \param texelBuffer  pointer to texel colors for all texture units
  * 
- * \param rgba         incoming/result fragment colors
+ * \param span         two fields are used in this function:
+ *                       span->end: number of fragments to process
+ *                       span->array->rgba: incoming/result fragment colors
  */
 static void
-texture_combine( struct gl_context *ctx, GLuint unit, GLuint n,
+texture_combine( struct gl_context *ctx, GLuint unit,
                  const float4_array primary_rgba,
                  const GLfloat *texelBuffer,
-                 GLchan (*rgbaChan)[4] )
+                 SWspan *span )
 {
    SWcontext *swrast = SWRAST_CONTEXT(ctx);
    const struct gl_texture_unit *textureUnit = &(ctx->Texture.Unit[unit]);
@@ -92,6 +93,8 @@ texture_combine( struct gl_context *ctx, GLuint unit, GLuint n,
    const GLuint numArgsA = combine->_NumArgsA;
    float4_array ccolor[4], rgba;
    GLuint i, term;
+   GLuint n = span->end;
+   GLchan (*rgbaChan)[4] = span->array->rgba;
 
    /* alloc temp pixel buffers */
    rgba = (float4_array) malloc(4 * n * sizeof(GLfloat));
@@ -542,6 +545,10 @@ texture_combine( struct gl_context *ctx, GLuint unit, GLuint n,
       UNCLAMPED_FLOAT_TO_CHAN(rgbaChan[i][BCOMP], rgba[i][BCOMP]);
       UNCLAMPED_FLOAT_TO_CHAN(rgbaChan[i][ACOMP], rgba[i][ACOMP]);
    }
+   /* The span->array->rgba values are of CHAN type so set
+    * span->array->ChanType field accordingly.
+    */
+   span->array->ChanType = CHAN_TYPE;
 
 end:
    for (i = 0; i < numArgsRGB || i < numArgsA; i++) {
@@ -764,12 +771,8 @@ _swrast_texture_span( struct gl_context *ctx, SWspan *span )
     * We modify the span->color.rgba values.
     */
    for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
-      if (ctx->Texture.Unit[unit]._ReallyEnabled) {
-         texture_combine( ctx, unit, span->end,
-                          primary_rgba,
-                          swrast->TexelBuffer,
-                          span->array->rgba );
-      }
+      if (ctx->Texture.Unit[unit]._ReallyEnabled)
+         texture_combine(ctx, unit, primary_rgba, swrast->TexelBuffer, span);
    }
 
    free(primary_rgba);
diff --git a/mesalib/src/mesa/vbo/vbo_noop.h b/mesalib/src/mesa/vbo/vbo_noop.h
index f9180374f..92f61d356 100644
--- a/mesalib/src/mesa/vbo/vbo_noop.h
+++ b/mesalib/src/mesa/vbo/vbo_noop.h
@@ -38,6 +38,12 @@ _mesa_noop_vtxfmt_init(GLvertexformat *vfmt);
 extern GLboolean
 _mesa_using_noop_vtxfmt(const struct _glapi_table *dispatch);
 
+#else
+
+static inline void
+_mesa_noop_vtxfmt_init(GLvertexformat *vfmt)
+{
+}
 
 #endif /* FEATURE_beginend */