xtrans libX11 libXext libXdmcp libXau libXft libXinerama libXmu libfontenc

mesa git update 19 sept 2011

9 files changed, 3667 insertions, 54 deletions

diff --git a/mesalib/src/mesa/swrast/s_context.c b/mesalib/src/mesa/swrast/s_context.c
index df213357f..7651eaf22 100644
--- a/mesalib/src/mesa/swrast/s_context.c
+++ b/mesalib/src/mesa/swrast/s_context.c
@@ -39,6 +39,7 @@
 #include "s_lines.h"
 #include "s_points.h"
 #include "s_span.h"
+#include "s_texfetch.h"
 #include "s_triangle.h"
 #include "s_texfilter.h"
 
@@ -469,11 +470,14 @@ _swrast_update_texture_samplers(struct gl_context *ctx)
       return; /* pipe hack */
 
    for (u = 0; u < ctx->Const.MaxTextureImageUnits; u++) {
-      const struct gl_texture_object *tObj = ctx->Texture.Unit[u]._Current;
+      struct gl_texture_object *tObj = ctx->Texture.Unit[u]._Current;
       /* Note: If tObj is NULL, the sample function will be a simple
        * function that just returns opaque black (0,0,0,1).
        */
-      swrast->TextureSample[u] = _swrast_choose_texture_sample_func(ctx, tObj);
+      if (tObj) {
+         _mesa_update_fetch_functions(tObj);
+         swrast->TextureSample[u] = _swrast_choose_texture_sample_func(ctx, tObj);
+      }
    }
 }
 
diff --git a/mesalib/src/mesa/swrast/s_context.h b/mesalib/src/mesa/swrast/s_context.h
index 8d7458c2d..8357483a2 100644
--- a/mesalib/src/mesa/swrast/s_context.h
+++ b/mesalib/src/mesa/swrast/s_context.h
@@ -109,6 +109,73 @@ typedef void (*validate_texture_image_func)(struct gl_context *ctx,
 			        _NEW_DEPTH)
 
 
+struct swrast_texture_image;
+
+
+typedef void (*FetchTexelFuncC)(const struct swrast_texture_image *texImage,
+                                GLint col, GLint row, GLint img,
+                                GLchan *texelOut);
+
+/**
+ * As above, but returns floats.
+ * Used for depth component images and for upcoming signed/float
+ * texture images.
+ */
+typedef void (*FetchTexelFuncF)(const struct swrast_texture_image *texImage,
+                                GLint col, GLint row, GLint img,
+                                GLfloat *texelOut);
+
+
+typedef void (*StoreTexelFunc)(struct swrast_texture_image *texImage,
+                               GLint col, GLint row, GLint img,
+                               const void *texel);
+
+/**
+ * Subclass of gl_texture_image.
+ * We need extra fields/info to keep tracking of mapped texture buffers,
+ * strides and Fetch/Store functions.
+ */
+struct swrast_texture_image
+{
+   struct gl_texture_image Base;
+
+#if 0
+   /** used for mipmap LOD computation */
+   GLfloat WidthScale, HeightScale, DepthScale;
+   GLboolean _IsPowerOfTwo;  /**< Are all dimensions powers of two? */
+
+   GLubyte *Data;    /**< The actual texture data in malloc'd memory */
+
+   GLint TexelSize;  /**< bytes per texel block */
+#endif
+
+   FetchTexelFuncC FetchTexelc;
+   FetchTexelFuncF FetchTexelf;
+   StoreTexelFunc Store;
+
+#if 0
+   /** These fields only valid when texture memory is mapped */
+   GLubyte **SliceMaps;  /**< points to OneMap or a malloc'd array */
+   GLint RowStride;  /**< bytes per row of blocks */
+#endif
+};
+
+
+/** cast wrapper */
+static INLINE struct swrast_texture_image *
+swrast_texture_image(struct gl_texture_image *img)
+{
+   return (struct swrast_texture_image *) img;
+}
+
+/** cast wrapper */
+static INLINE const struct swrast_texture_image *
+swrast_texture_image_const(const struct gl_texture_image *img)
+{
+   return (const struct swrast_texture_image *) img;
+}
+
+
 /**
  * \struct SWcontext
  * \brief  Per-context state that's private to the software rasterizer module.
diff --git a/mesalib/src/mesa/swrast/s_texfetch.c b/mesalib/src/mesa/swrast/s_texfetch.c
new file mode 100644
index 000000000..ed17b4bda
--- /dev/null
+++ b/mesalib/src/mesa/swrast/s_texfetch.c
@@ -0,0 +1,1059 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.7
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2009  VMware, Inc.
+ *
+ * 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.
+ */
+
+
+/**
+ * \file s_texfetch.c
+ *
+ * Texel fetch/store functions
+ *
+ * \author Gareth Hughes
+ */
+
+
+#include "main/colormac.h"
+#include "main/macros.h"
+#include "main/texcompress.h"
+#include "main/texcompress_fxt1.h"
+#include "main/texcompress_s3tc.h"
+#include "main/texcompress_rgtc.h"
+#include "main/teximage.h"
+#include "s_context.h"
+#include "s_texfetch.h"
+#include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
+#include "../../gallium/auxiliary/util/u_format_r11g11b10f.h"
+
+
+/**
+ * Convert an 8-bit sRGB value from non-linear space to a
+ * linear RGB value in [0, 1].
+ * Implemented with a 256-entry lookup table.
+ */
+static INLINE GLfloat
+nonlinear_to_linear(GLubyte cs8)
+{
+   static GLfloat table[256];
+   static GLboolean tableReady = GL_FALSE;
+   if (!tableReady) {
+      /* compute lookup table now */
+      GLuint i;
+      for (i = 0; i < 256; i++) {
+         const GLfloat cs = UBYTE_TO_FLOAT(i);
+         if (cs <= 0.04045) {
+            table[i] = cs / 12.92f;
+         }
+         else {
+            table[i] = (GLfloat) pow((cs + 0.055) / 1.055, 2.4);
+         }
+      }
+      tableReady = GL_TRUE;
+   }
+   return table[cs8];
+}
+
+
+
+/* Texel fetch routines for all supported formats
+ */
+#define DIM 1
+#include "s_texfetch_tmp.h"
+
+#define DIM 2
+#include "s_texfetch_tmp.h"
+
+#define DIM 3
+#include "s_texfetch_tmp.h"
+
+/**
+ * Null texel fetch function.
+ *
+ * Have to have this so the FetchTexel function pointer is never NULL.
+ */
+static void fetch_null_texelf( const struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   (void) texImage; (void) i; (void) j; (void) k;
+   texel[RCOMP] = 0.0;
+   texel[GCOMP] = 0.0;
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 0.0;
+   _mesa_warning(NULL, "fetch_null_texelf() called!");
+}
+
+static void store_null_texel(struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   (void) texImage;
+   (void) i;
+   (void) j;
+   (void) k;
+   (void) texel;
+   /* no-op */
+}
+
+
+
+/**
+ * Table to map MESA_FORMAT_ to texel fetch/store funcs.
+ * XXX this is somewhat temporary.
+ */
+static struct {
+   gl_format Name;
+   FetchTexelFuncF Fetch1D;
+   FetchTexelFuncF Fetch2D;
+   FetchTexelFuncF Fetch3D;
+   StoreTexelFunc StoreTexel;
+}
+texfetch_funcs[MESA_FORMAT_COUNT] =
+{
+   {
+      MESA_FORMAT_NONE,
+      fetch_null_texelf,
+      fetch_null_texelf,
+      fetch_null_texelf,
+      store_null_texel
+   },
+
+   {
+      MESA_FORMAT_RGBA8888,
+      fetch_texel_1d_f_rgba8888,
+      fetch_texel_2d_f_rgba8888,
+      fetch_texel_3d_f_rgba8888,
+      store_texel_rgba8888
+   },
+   {
+      MESA_FORMAT_RGBA8888_REV,
+      fetch_texel_1d_f_rgba8888_rev,
+      fetch_texel_2d_f_rgba8888_rev,
+      fetch_texel_3d_f_rgba8888_rev,
+      store_texel_rgba8888_rev
+   },
+   {
+      MESA_FORMAT_ARGB8888,
+      fetch_texel_1d_f_argb8888,
+      fetch_texel_2d_f_argb8888,
+      fetch_texel_3d_f_argb8888,
+      store_texel_argb8888
+   },
+   {
+      MESA_FORMAT_ARGB8888_REV,
+      fetch_texel_1d_f_argb8888_rev,
+      fetch_texel_2d_f_argb8888_rev,
+      fetch_texel_3d_f_argb8888_rev,
+      store_texel_argb8888_rev
+   },
+   {
+      MESA_FORMAT_XRGB8888,
+      fetch_texel_1d_f_xrgb8888,
+      fetch_texel_2d_f_xrgb8888,
+      fetch_texel_3d_f_xrgb8888,
+      store_texel_xrgb8888
+   },
+   {
+      MESA_FORMAT_XRGB8888_REV,
+      fetch_texel_1d_f_xrgb8888_rev,
+      fetch_texel_2d_f_xrgb8888_rev,
+      fetch_texel_3d_f_xrgb8888_rev,
+      store_texel_xrgb8888_rev,
+   },
+   {
+      MESA_FORMAT_RGB888,
+      fetch_texel_1d_f_rgb888,
+      fetch_texel_2d_f_rgb888,
+      fetch_texel_3d_f_rgb888,
+      store_texel_rgb888
+   },
+   {
+      MESA_FORMAT_BGR888,
+      fetch_texel_1d_f_bgr888,
+      fetch_texel_2d_f_bgr888,
+      fetch_texel_3d_f_bgr888,
+      store_texel_bgr888
+   },
+   {
+      MESA_FORMAT_RGB565,
+      fetch_texel_1d_f_rgb565,
+      fetch_texel_2d_f_rgb565,
+      fetch_texel_3d_f_rgb565,
+      store_texel_rgb565
+   },
+   {
+      MESA_FORMAT_RGB565_REV,
+      fetch_texel_1d_f_rgb565_rev,
+      fetch_texel_2d_f_rgb565_rev,
+      fetch_texel_3d_f_rgb565_rev,
+      store_texel_rgb565_rev
+   },
+   {
+      MESA_FORMAT_ARGB4444,
+      fetch_texel_1d_f_argb4444,
+      fetch_texel_2d_f_argb4444,
+      fetch_texel_3d_f_argb4444,
+      store_texel_argb4444
+   },
+   {
+      MESA_FORMAT_ARGB4444_REV,
+      fetch_texel_1d_f_argb4444_rev,
+      fetch_texel_2d_f_argb4444_rev,
+      fetch_texel_3d_f_argb4444_rev,
+      store_texel_argb4444_rev
+   },
+   {
+      MESA_FORMAT_RGBA5551,
+      fetch_texel_1d_f_rgba5551,
+      fetch_texel_2d_f_rgba5551,
+      fetch_texel_3d_f_rgba5551,
+      store_texel_rgba5551
+   },
+   {
+      MESA_FORMAT_ARGB1555,
+      fetch_texel_1d_f_argb1555,
+      fetch_texel_2d_f_argb1555,
+      fetch_texel_3d_f_argb1555,
+      store_texel_argb1555
+   },
+   {
+      MESA_FORMAT_ARGB1555_REV,
+      fetch_texel_1d_f_argb1555_rev,
+      fetch_texel_2d_f_argb1555_rev,
+      fetch_texel_3d_f_argb1555_rev,
+      store_texel_argb1555_rev
+   },
+   {
+      MESA_FORMAT_AL44,
+      fetch_texel_1d_f_al44,
+      fetch_texel_2d_f_al44,
+      fetch_texel_3d_f_al44,
+      store_texel_al44
+   },
+   {
+      MESA_FORMAT_AL88,
+      fetch_texel_1d_f_al88,
+      fetch_texel_2d_f_al88,
+      fetch_texel_3d_f_al88,
+      store_texel_al88
+   },
+   {
+      MESA_FORMAT_AL88_REV,
+      fetch_texel_1d_f_al88_rev,
+      fetch_texel_2d_f_al88_rev,
+      fetch_texel_3d_f_al88_rev,
+      store_texel_al88_rev
+   },
+   {
+      MESA_FORMAT_AL1616,
+      fetch_texel_1d_f_al1616,
+      fetch_texel_2d_f_al1616,
+      fetch_texel_3d_f_al1616,
+      store_texel_al1616
+   },
+   {
+      MESA_FORMAT_AL1616_REV,
+      fetch_texel_1d_f_al1616_rev,
+      fetch_texel_2d_f_al1616_rev,
+      fetch_texel_3d_f_al1616_rev,
+      store_texel_al1616_rev
+   },
+   {
+      MESA_FORMAT_RGB332,
+      fetch_texel_1d_f_rgb332,
+      fetch_texel_2d_f_rgb332,
+      fetch_texel_3d_f_rgb332,
+      store_texel_rgb332
+   },
+   {
+      MESA_FORMAT_A8,
+      fetch_texel_1d_f_a8,
+      fetch_texel_2d_f_a8,
+      fetch_texel_3d_f_a8,
+      store_texel_a8
+   },
+   {
+      MESA_FORMAT_A16,
+      fetch_texel_1d_f_a16,
+      fetch_texel_2d_f_a16,
+      fetch_texel_3d_f_a16,
+      store_texel_a16
+   },
+   {
+      MESA_FORMAT_L8,
+      fetch_texel_1d_f_l8,
+      fetch_texel_2d_f_l8,
+      fetch_texel_3d_f_l8,
+      store_texel_l8
+   },
+   {
+      MESA_FORMAT_L16,
+      fetch_texel_1d_f_l16,
+      fetch_texel_2d_f_l16,
+      fetch_texel_3d_f_l16,
+      store_texel_l16
+   },
+   {
+      MESA_FORMAT_I8,
+      fetch_texel_1d_f_i8,
+      fetch_texel_2d_f_i8,
+      fetch_texel_3d_f_i8,
+      store_texel_i8
+   },
+   {
+      MESA_FORMAT_I16,
+      fetch_texel_1d_f_i16,
+      fetch_texel_2d_f_i16,
+      fetch_texel_3d_f_i16,
+      store_texel_i16
+   },
+   {
+      MESA_FORMAT_YCBCR,
+      fetch_texel_1d_f_ycbcr,
+      fetch_texel_2d_f_ycbcr,
+      fetch_texel_3d_f_ycbcr,
+      store_texel_ycbcr
+   },
+   {
+      MESA_FORMAT_YCBCR_REV,
+      fetch_texel_1d_f_ycbcr_rev,
+      fetch_texel_2d_f_ycbcr_rev,
+      fetch_texel_3d_f_ycbcr_rev,
+      store_texel_ycbcr_rev
+   },
+   {
+      MESA_FORMAT_R8,
+      fetch_texel_1d_f_r8,
+      fetch_texel_2d_f_r8,
+      fetch_texel_3d_f_r8,
+      store_texel_r8,
+   },
+   {
+      MESA_FORMAT_RG88,
+      fetch_texel_1d_f_rg88,
+      fetch_texel_2d_f_rg88,
+      fetch_texel_3d_f_rg88,
+      store_texel_rg88,
+   },
+   {
+      MESA_FORMAT_RG88_REV,
+      fetch_texel_1d_f_rg88_rev,
+      fetch_texel_2d_f_rg88_rev,
+      fetch_texel_3d_f_rg88_rev,
+      store_texel_rg88_rev,
+   },
+   {
+      MESA_FORMAT_R16,
+      fetch_texel_1d_f_r16,
+      fetch_texel_2d_f_r16,
+      fetch_texel_3d_f_r16,
+      store_texel_r16,
+   },
+   {
+      MESA_FORMAT_RG1616,
+      fetch_texel_1d_f_rg1616,
+      fetch_texel_2d_f_rg1616,
+      fetch_texel_3d_f_rg1616,
+      store_texel_rg1616,
+   },
+   {
+      MESA_FORMAT_RG1616_REV,
+      fetch_texel_1d_f_rg1616_rev,
+      fetch_texel_2d_f_rg1616_rev,
+      fetch_texel_3d_f_rg1616_rev,
+      store_texel_rg1616_rev,
+   },
+   {
+      MESA_FORMAT_ARGB2101010,
+      fetch_texel_1d_f_argb2101010,
+      fetch_texel_2d_f_argb2101010,
+      fetch_texel_3d_f_argb2101010,
+      store_texel_argb2101010
+   },
+   {
+      MESA_FORMAT_Z24_S8,
+      fetch_texel_1d_f_z24_s8,
+      fetch_texel_2d_f_z24_s8,
+      fetch_texel_3d_f_z24_s8,
+      store_texel_z24_s8
+   },
+   {
+      MESA_FORMAT_S8_Z24,
+      fetch_texel_1d_f_s8_z24,
+      fetch_texel_2d_f_s8_z24,
+      fetch_texel_3d_f_s8_z24,
+      store_texel_s8_z24
+   },
+   {
+      MESA_FORMAT_Z16,
+      fetch_texel_1d_f_z16,
+      fetch_texel_2d_f_z16,
+      fetch_texel_3d_f_z16,
+      store_texel_z16
+   },
+   {
+      MESA_FORMAT_X8_Z24,
+      fetch_texel_1d_f_s8_z24,
+      fetch_texel_2d_f_s8_z24,
+      fetch_texel_3d_f_s8_z24,
+      store_texel_s8_z24
+   },
+   {
+      MESA_FORMAT_Z24_X8,
+      fetch_texel_1d_f_z24_s8,
+      fetch_texel_2d_f_z24_s8,
+      fetch_texel_3d_f_z24_s8,
+      store_texel_z24_s8
+   },
+   {
+      MESA_FORMAT_Z32,
+      fetch_texel_1d_f_z32,
+      fetch_texel_2d_f_z32,
+      fetch_texel_3d_f_z32,
+      store_texel_z32
+   },
+   {
+      MESA_FORMAT_S8,
+      NULL,
+      NULL,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SRGB8,
+      fetch_texel_1d_srgb8,
+      fetch_texel_2d_srgb8,
+      fetch_texel_3d_srgb8,
+      store_texel_srgb8
+   },
+   {
+      MESA_FORMAT_SRGBA8,
+      fetch_texel_1d_srgba8,
+      fetch_texel_2d_srgba8,
+      fetch_texel_3d_srgba8,
+      store_texel_srgba8
+   },
+   {
+      MESA_FORMAT_SARGB8,
+      fetch_texel_1d_sargb8,
+      fetch_texel_2d_sargb8,
+      fetch_texel_3d_sargb8,
+      store_texel_sargb8
+   },
+   {
+      MESA_FORMAT_SL8,
+      fetch_texel_1d_sl8,
+      fetch_texel_2d_sl8,
+      fetch_texel_3d_sl8,
+      store_texel_sl8
+   },
+   {
+      MESA_FORMAT_SLA8,
+      fetch_texel_1d_sla8,
+      fetch_texel_2d_sla8,
+      fetch_texel_3d_sla8,
+      store_texel_sla8
+   },
+   {
+      MESA_FORMAT_SRGB_DXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_srgb_dxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SRGBA_DXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_srgba_dxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SRGBA_DXT3,
+      NULL,
+      _mesa_fetch_texel_2d_f_srgba_dxt3,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SRGBA_DXT5,
+      NULL,
+      _mesa_fetch_texel_2d_f_srgba_dxt5,
+      NULL,
+      NULL
+   },
+
+   {
+      MESA_FORMAT_RGB_FXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgb_fxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGBA_FXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgba_fxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGB_DXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgb_dxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGBA_DXT1,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgba_dxt1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGBA_DXT3,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgba_dxt3,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGBA_DXT5,
+      NULL,
+      _mesa_fetch_texel_2d_f_rgba_dxt5,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RGBA_FLOAT32,
+      fetch_texel_1d_f_rgba_f32,
+      fetch_texel_2d_f_rgba_f32,
+      fetch_texel_3d_f_rgba_f32,
+      store_texel_rgba_f32
+   },
+   {
+      MESA_FORMAT_RGBA_FLOAT16,
+      fetch_texel_1d_f_rgba_f16,
+      fetch_texel_2d_f_rgba_f16,
+      fetch_texel_3d_f_rgba_f16,
+      store_texel_rgba_f16
+   },
+   {
+      MESA_FORMAT_RGB_FLOAT32,
+      fetch_texel_1d_f_rgb_f32,
+      fetch_texel_2d_f_rgb_f32,
+      fetch_texel_3d_f_rgb_f32,
+      store_texel_rgb_f32
+   },
+   {
+      MESA_FORMAT_RGB_FLOAT16,
+      fetch_texel_1d_f_rgb_f16,
+      fetch_texel_2d_f_rgb_f16,
+      fetch_texel_3d_f_rgb_f16,
+      store_texel_rgb_f16
+   },
+   {
+      MESA_FORMAT_ALPHA_FLOAT32,
+      fetch_texel_1d_f_alpha_f32,
+      fetch_texel_2d_f_alpha_f32,
+      fetch_texel_3d_f_alpha_f32,
+      store_texel_alpha_f32
+   },
+   {
+      MESA_FORMAT_ALPHA_FLOAT16,
+      fetch_texel_1d_f_alpha_f16,
+      fetch_texel_2d_f_alpha_f16,
+      fetch_texel_3d_f_alpha_f16,
+      store_texel_alpha_f16
+   },
+   {
+      MESA_FORMAT_LUMINANCE_FLOAT32,
+      fetch_texel_1d_f_luminance_f32,
+      fetch_texel_2d_f_luminance_f32,
+      fetch_texel_3d_f_luminance_f32,
+      store_texel_luminance_f32
+   },
+   {
+      MESA_FORMAT_LUMINANCE_FLOAT16,
+      fetch_texel_1d_f_luminance_f16,
+      fetch_texel_2d_f_luminance_f16,
+      fetch_texel_3d_f_luminance_f16,
+      store_texel_luminance_f16
+   },
+   {
+      MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
+      fetch_texel_1d_f_luminance_alpha_f32,
+      fetch_texel_2d_f_luminance_alpha_f32,
+      fetch_texel_3d_f_luminance_alpha_f32,
+      store_texel_luminance_alpha_f32
+   },
+   {
+      MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
+      fetch_texel_1d_f_luminance_alpha_f16,
+      fetch_texel_2d_f_luminance_alpha_f16,
+      fetch_texel_3d_f_luminance_alpha_f16,
+      store_texel_luminance_alpha_f16
+   },
+   {
+      MESA_FORMAT_INTENSITY_FLOAT32,
+      fetch_texel_1d_f_intensity_f32,
+      fetch_texel_2d_f_intensity_f32,
+      fetch_texel_3d_f_intensity_f32,
+      store_texel_intensity_f32
+   },
+   {
+      MESA_FORMAT_INTENSITY_FLOAT16,
+      fetch_texel_1d_f_intensity_f16,
+      fetch_texel_2d_f_intensity_f16,
+      fetch_texel_3d_f_intensity_f16,
+      store_texel_intensity_f16
+   },
+   {
+      MESA_FORMAT_R_FLOAT32,
+      fetch_texel_1d_f_r_f32,
+      fetch_texel_2d_f_r_f32,
+      fetch_texel_3d_f_r_f32,
+      store_texel_r_f32
+   },
+   {
+      MESA_FORMAT_R_FLOAT16,
+      fetch_texel_1d_f_r_f16,
+      fetch_texel_2d_f_r_f16,
+      fetch_texel_3d_f_r_f16,
+      store_texel_r_f16
+   },
+   {
+      MESA_FORMAT_RG_FLOAT32,
+      fetch_texel_1d_f_rg_f32,
+      fetch_texel_2d_f_rg_f32,
+      fetch_texel_3d_f_rg_f32,
+      store_texel_rg_f32
+   },
+   {
+      MESA_FORMAT_RG_FLOAT16,
+      fetch_texel_1d_f_rg_f16,
+      fetch_texel_2d_f_rg_f16,
+      fetch_texel_3d_f_rg_f16,
+      store_texel_rg_f16
+   },
+
+   /* non-normalized, signed int */
+   {
+      MESA_FORMAT_RGBA_INT8,
+      fetch_texel_1d_rgba_int8,
+      fetch_texel_2d_rgba_int8,
+      fetch_texel_3d_rgba_int8,
+      store_texel_rgba_int8
+   },
+   {
+      MESA_FORMAT_RGBA_INT16,
+      fetch_texel_1d_rgba_int16,
+      fetch_texel_2d_rgba_int16,
+      fetch_texel_3d_rgba_int16,
+      store_texel_rgba_int16
+   },
+   {
+      MESA_FORMAT_RGBA_INT32,
+      fetch_texel_1d_rgba_int32,
+      fetch_texel_2d_rgba_int32,
+      fetch_texel_3d_rgba_int32,
+      store_texel_rgba_int32
+   },
+
+   /* non-normalized, unsigned int */
+   {
+      MESA_FORMAT_RGBA_UINT8,
+      fetch_texel_1d_rgba_uint8,
+      fetch_texel_2d_rgba_uint8,
+      fetch_texel_3d_rgba_uint8,
+      store_texel_rgba_uint8
+   },
+   {
+      MESA_FORMAT_RGBA_UINT16,
+      fetch_texel_1d_rgba_uint16,
+      fetch_texel_2d_rgba_uint16,
+      fetch_texel_3d_rgba_uint16,
+      store_texel_rgba_uint16
+   },
+   {
+      MESA_FORMAT_RGBA_UINT32,
+      fetch_texel_1d_rgba_uint32,
+      fetch_texel_2d_rgba_uint32,
+      fetch_texel_3d_rgba_uint32,
+      store_texel_rgba_uint32
+   },
+
+   /* dudv */
+   {
+      MESA_FORMAT_DUDV8,
+      fetch_texel_1d_dudv8,
+      fetch_texel_2d_dudv8,
+      fetch_texel_3d_dudv8,
+      NULL
+   },
+
+   /* signed, normalized */
+   {
+      MESA_FORMAT_SIGNED_R8,
+      fetch_texel_1d_signed_r8,
+      fetch_texel_2d_signed_r8,
+      fetch_texel_3d_signed_r8,
+      store_texel_signed_r8
+   },
+   {
+      MESA_FORMAT_SIGNED_RG88_REV,
+      fetch_texel_1d_signed_rg88_rev,
+      fetch_texel_2d_signed_rg88_rev,
+      fetch_texel_3d_signed_rg88_rev,
+      store_texel_signed_rg88_rev
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBX8888,
+      fetch_texel_1d_signed_rgbx8888,
+      fetch_texel_2d_signed_rgbx8888,
+      fetch_texel_3d_signed_rgbx8888,
+      store_texel_signed_rgbx8888
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBA8888,
+      fetch_texel_1d_signed_rgba8888,
+      fetch_texel_2d_signed_rgba8888,
+      fetch_texel_3d_signed_rgba8888,
+      store_texel_signed_rgba8888
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBA8888_REV,
+      fetch_texel_1d_signed_rgba8888_rev,
+      fetch_texel_2d_signed_rgba8888_rev,
+      fetch_texel_3d_signed_rgba8888_rev,
+      store_texel_signed_rgba8888_rev
+   },
+   {
+      MESA_FORMAT_SIGNED_R16,
+      fetch_texel_1d_signed_r16,
+      fetch_texel_2d_signed_r16,
+      fetch_texel_3d_signed_r16,
+      store_texel_signed_r16
+   },
+   {
+      MESA_FORMAT_SIGNED_GR1616,
+      fetch_texel_1d_signed_rg1616,
+      fetch_texel_2d_signed_rg1616,
+      fetch_texel_3d_signed_rg1616,
+      store_texel_signed_rg1616
+   },
+   {
+      MESA_FORMAT_SIGNED_RGB_16,
+      fetch_texel_1d_signed_rgb_16,
+      fetch_texel_2d_signed_rgb_16,
+      fetch_texel_3d_signed_rgb_16,
+      store_texel_signed_rgb_16
+   },
+   {
+      MESA_FORMAT_SIGNED_RGBA_16,
+      fetch_texel_1d_signed_rgba_16,
+      fetch_texel_2d_signed_rgba_16,
+      fetch_texel_3d_signed_rgba_16,
+      store_texel_signed_rgba_16
+   },
+   {
+      MESA_FORMAT_RGBA_16,
+      fetch_texel_1d_rgba_16,
+      fetch_texel_2d_rgba_16,
+      fetch_texel_3d_rgba_16,
+      store_texel_rgba_16
+   },
+   {
+      MESA_FORMAT_RED_RGTC1,
+      NULL,
+      _mesa_fetch_texel_2d_f_red_rgtc1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SIGNED_RED_RGTC1,
+      NULL,
+      _mesa_fetch_texel_2d_f_signed_red_rgtc1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_RG_RGTC2,
+      NULL,
+      _mesa_fetch_texel_2d_f_rg_rgtc2,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SIGNED_RG_RGTC2,
+      NULL,
+      _mesa_fetch_texel_2d_f_signed_rg_rgtc2,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_L_LATC1,
+      NULL,
+      _mesa_fetch_texel_2d_f_l_latc1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SIGNED_L_LATC1,
+      NULL,
+      _mesa_fetch_texel_2d_f_signed_l_latc1,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_LA_LATC2,
+      NULL,
+      _mesa_fetch_texel_2d_f_la_latc2,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SIGNED_LA_LATC2,
+      NULL,
+      _mesa_fetch_texel_2d_f_signed_la_latc2,
+      NULL,
+      NULL
+   },
+   {
+      MESA_FORMAT_SIGNED_A8,
+      fetch_texel_1d_signed_a8,
+      fetch_texel_2d_signed_a8,
+      fetch_texel_3d_signed_a8,
+      store_texel_signed_a8
+   },
+   {
+      MESA_FORMAT_SIGNED_L8,
+      fetch_texel_1d_signed_l8,
+      fetch_texel_2d_signed_l8,
+      fetch_texel_3d_signed_l8,
+      store_texel_signed_l8
+   },
+   {
+      MESA_FORMAT_SIGNED_AL88,
+      fetch_texel_1d_signed_al88,
+      fetch_texel_2d_signed_al88,
+      fetch_texel_3d_signed_al88,
+      store_texel_signed_al88
+   },
+   {
+      MESA_FORMAT_SIGNED_I8,
+      fetch_texel_1d_signed_i8,
+      fetch_texel_2d_signed_i8,
+      fetch_texel_3d_signed_i8,
+      store_texel_signed_i8
+   },
+   {
+      MESA_FORMAT_SIGNED_A16,
+      fetch_texel_1d_signed_a16,
+      fetch_texel_2d_signed_a16,
+      fetch_texel_3d_signed_a16,
+      store_texel_signed_a16
+   },
+   {
+      MESA_FORMAT_SIGNED_L16,
+      fetch_texel_1d_signed_l16,
+      fetch_texel_2d_signed_l16,
+      fetch_texel_3d_signed_l16,
+      store_texel_signed_l16
+   },
+   {
+      MESA_FORMAT_SIGNED_AL1616,
+      fetch_texel_1d_signed_al1616,
+      fetch_texel_2d_signed_al1616,
+      fetch_texel_3d_signed_al1616,
+      store_texel_signed_al1616
+   },
+   {
+      MESA_FORMAT_SIGNED_I16,
+      fetch_texel_1d_signed_i16,
+      fetch_texel_2d_signed_i16,
+      fetch_texel_3d_signed_i16,
+      store_texel_signed_i16
+   },
+   {
+      MESA_FORMAT_RGB9_E5_FLOAT,
+      fetch_texel_1d_rgb9_e5,
+      fetch_texel_2d_rgb9_e5,
+      fetch_texel_3d_rgb9_e5,
+      store_texel_rgb9_e5
+   },
+   {
+      MESA_FORMAT_R11_G11_B10_FLOAT,
+      fetch_texel_1d_r11_g11_b10f,
+      fetch_texel_2d_r11_g11_b10f,
+      fetch_texel_3d_r11_g11_b10f,
+      store_texel_r11_g11_b10f
+   },
+   {
+      MESA_FORMAT_Z32_FLOAT,
+      fetch_texel_1d_f_r_f32, /* Reuse the R32F functions. */
+      fetch_texel_2d_f_r_f32,
+      fetch_texel_3d_f_r_f32,
+      store_texel_r_f32
+   },
+   {
+      MESA_FORMAT_Z32_FLOAT_X24S8,
+      fetch_texel_1d_z32f_x24s8,
+      fetch_texel_2d_z32f_x24s8,
+      fetch_texel_3d_z32f_x24s8,
+      store_texel_z32f_x24s8
+   }
+};
+
+
+FetchTexelFuncF
+_mesa_get_texel_fetch_func(gl_format format, GLuint dims)
+{
+#ifdef DEBUG
+   /* check that the table entries are sorted by format name */
+   gl_format fmt;
+   for (fmt = 0; fmt < MESA_FORMAT_COUNT; fmt++) {
+      assert(texfetch_funcs[fmt].Name == fmt);
+   }
+#endif
+
+   assert(Elements(texfetch_funcs) == MESA_FORMAT_COUNT);
+   assert(format < MESA_FORMAT_COUNT);
+
+   switch (dims) {
+   case 1:
+      return texfetch_funcs[format].Fetch1D;
+   case 2:
+      return texfetch_funcs[format].Fetch2D;
+   case 3:
+      return texfetch_funcs[format].Fetch3D;
+   default:
+      assert(0 && "bad dims in _mesa_get_texel_fetch_func");
+      return NULL;
+   }
+}
+
+
+StoreTexelFunc
+_mesa_get_texel_store_func(gl_format format)
+{
+   assert(format < MESA_FORMAT_COUNT);
+   return texfetch_funcs[format].StoreTexel;
+}
+
+
+/**
+ * Adaptor for fetching a GLchan texel from a float-valued texture.
+ */
+static void
+fetch_texel_float_to_chan(const struct swrast_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLchan *texelOut)
+{
+   GLfloat temp[4];
+   GLenum baseFormat = _mesa_get_format_base_format(texImage->Base.TexFormat);
+
+   ASSERT(texImage->FetchTexelf);
+   texImage->FetchTexelf(texImage, i, j, k, temp);
+   if (baseFormat == GL_DEPTH_COMPONENT ||
+       baseFormat == GL_DEPTH_STENCIL_EXT) {
+      /* just one channel */
+      UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
+   }
+   else {
+      /* four channels */
+      UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
+      UNCLAMPED_FLOAT_TO_CHAN(texelOut[1], temp[1]);
+      UNCLAMPED_FLOAT_TO_CHAN(texelOut[2], temp[2]);
+      UNCLAMPED_FLOAT_TO_CHAN(texelOut[3], temp[3]);
+   }
+}
+
+
+#if 0
+/**
+ * Adaptor for fetching a float texel from a GLchan-valued texture.
+ */
+static void
+fetch_texel_chan_to_float(const struct swrast_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texelOut)
+{
+   GLchan temp[4];
+   GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
+
+   ASSERT(texImage->FetchTexelc);
+   texImage->FetchTexelc(texImage, i, j, k, temp);
+   if (baseFormat == GL_DEPTH_COMPONENT ||
+       baseFormat == GL_DEPTH_STENCIL_EXT) {
+      /* just one channel */
+      texelOut[0] = CHAN_TO_FLOAT(temp[0]);
+   }
+   else {
+      /* four channels */
+      texelOut[0] = CHAN_TO_FLOAT(temp[0]);
+      texelOut[1] = CHAN_TO_FLOAT(temp[1]);
+      texelOut[2] = CHAN_TO_FLOAT(temp[2]);
+      texelOut[3] = CHAN_TO_FLOAT(temp[3]);
+   }
+}
+#endif
+
+
+/**
+ * Initialize the texture image's FetchTexelc and FetchTexelf methods.
+ */
+static void
+set_fetch_functions(struct swrast_texture_image *texImage, GLuint dims)
+{
+   gl_format format = texImage->Base.TexFormat;
+
+   ASSERT(dims == 1 || dims == 2 || dims == 3);
+
+   if (texImage->Base.TexObject->Sampler.sRGBDecode == GL_SKIP_DECODE_EXT &&
+       _mesa_get_format_color_encoding(format) == GL_SRGB) {
+      format = _mesa_get_srgb_format_linear(format);
+   }
+
+   texImage->FetchTexelf = _mesa_get_texel_fetch_func(format, dims);
+
+   texImage->FetchTexelc = fetch_texel_float_to_chan;
+
+   ASSERT(texImage->FetchTexelc);
+   ASSERT(texImage->FetchTexelf);
+}
+
+void
+_mesa_update_fetch_functions(struct gl_texture_object *texObj)
+{
+   GLuint face, i;
+   GLuint dims;
+
+   dims = _mesa_get_texture_dimensions(texObj->Target);
+
+   for (face = 0; face < 6; face++) {
+      for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
+         if (texObj->Image[face][i]) {
+	    set_fetch_functions(swrast_texture_image(texObj->Image[face][i]),
+                                dims);
+         }
+      }
+   }
+}
diff --git a/mesalib/src/mesa/swrast/s_texfetch.h b/mesalib/src/mesa/swrast/s_texfetch.h
new file mode 100644
index 000000000..19b196a5a
--- /dev/null
+++ b/mesalib/src/mesa/swrast/s_texfetch.h
@@ -0,0 +1,41 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.7
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2009 VMware, Inc.
+ *
+ * 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_TEXFETCH_H
+#define S_TEXFETCH_H
+
+#include "swrast/s_context.h"
+
+extern StoreTexelFunc
+_mesa_get_texel_store_func(gl_format format);
+
+extern FetchTexelFuncF
+_mesa_get_texel_fetch_func(gl_format format, GLuint dims);
+
+void
+_mesa_update_fetch_functions(struct gl_texture_object *texObj);
+
+#endif /* S_TEXFETCH_H */
diff --git a/mesalib/src/mesa/swrast/s_texfetch_tmp.h b/mesalib/src/mesa/swrast/s_texfetch_tmp.h
new file mode 100644
index 000000000..3eebd13d7
--- /dev/null
+++ b/mesalib/src/mesa/swrast/s_texfetch_tmp.h
@@ -0,0 +1,2341 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.7
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2008-2009  VMware, Inc.
+ *
+ * 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.
+ */
+
+
+/**
+ * \file texfetch_tmp.h
+ * Texel fetch functions template.
+ * 
+ * This template file is used by texfetch.c to generate texel fetch functions
+ * for 1-D, 2-D and 3-D texture images. 
+ *
+ * It should be expanded by defining \p DIM as the number texture dimensions
+ * (1, 2 or 3).  According to the value of \p DIM a series of macros is defined
+ * for the texel lookup in the gl_texture_image::Data.
+ * 
+ * \author Gareth Hughes
+ * \author Brian Paul
+ */
+
+
+#if DIM == 1
+
+#define TEXEL_ADDR( type, image, i, j, k, size ) \
+	((void) (j), (void) (k), ((type *)(image)->Base.Data + (i) * (size)))
+
+#define FETCH(x) fetch_texel_1d_##x
+
+#elif DIM == 2
+
+#define TEXEL_ADDR( type, image, i, j, k, size )			\
+	((void) (k),							\
+	 ((type *)(image)->Base.Data + ((image)->Base.RowStride * (j) + (i)) * (size)))
+
+#define FETCH(x) fetch_texel_2d_##x
+
+#elif DIM == 3
+
+#define TEXEL_ADDR( type, image, i, j, k, size )			\
+	((type *)(image)->Base.Data + ((image)->Base.ImageOffsets[k]		\
+             + (image)->Base.RowStride * (j) + (i)) * (size))
+
+#define FETCH(x) fetch_texel_3d_##x
+
+#else
+#error	illegal number of texture dimensions
+#endif
+
+
+/* MESA_FORMAT_Z32 ***********************************************************/
+
+/* Fetch depth texel from 1D, 2D or 3D 32-bit depth texture,
+ * returning 1 GLfloat.
+ * Note: no GLchan version of this function.
+ */
+static void FETCH(f_z32)( const struct swrast_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[0] = src[0] * (1.0F / 0xffffffff);
+}
+
+#if DIM == 3
+static void store_texel_z32(struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLuint *depth = (const GLuint *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   dst[0] = *depth;
+}
+#endif
+
+
+/* MESA_FORMAT_Z16 ***********************************************************/
+
+/* Fetch depth texel from 1D, 2D or 3D 16-bit depth texture,
+ * returning 1 GLfloat.
+ * Note: no GLchan version of this function.
+ */
+static void FETCH(f_z16)(const struct swrast_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[0] = src[0] * (1.0F / 65535.0F);
+}
+
+#if DIM == 3
+static void store_texel_z16(struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLushort *depth = (const GLushort *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   dst[0] = *depth;
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_F32 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, returning 4 GLfloats.
+ */
+static void FETCH(f_rgba_f32)( const struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4);
+   texel[RCOMP] = src[0];
+   texel[GCOMP] = src[1];
+   texel[BCOMP] = src[2];
+   texel[ACOMP] = src[3];
+}
+
+#if DIM == 3
+static void store_texel_rgba_f32(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *depth = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4);
+   dst[0] = depth[RCOMP];
+   dst[1] = depth[GCOMP];
+   dst[2] = depth[BCOMP];
+   dst[3] = depth[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_F16 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_rgba_f16)( const struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4);
+   texel[RCOMP] = _mesa_half_to_float(src[0]);
+   texel[GCOMP] = _mesa_half_to_float(src[1]);
+   texel[BCOMP] = _mesa_half_to_float(src[2]);
+   texel[ACOMP] = _mesa_half_to_float(src[3]);
+}
+
+#if DIM == 3
+static void store_texel_rgba_f16(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *src = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4);
+   dst[0] = _mesa_float_to_half(src[RCOMP]);
+   dst[1] = _mesa_float_to_half(src[GCOMP]);
+   dst[2] = _mesa_float_to_half(src[BCOMP]);
+   dst[3] = _mesa_float_to_half(src[ACOMP]);
+}
+#endif
+
+/* MESA_FORMAT_RGB_F32 *******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_rgb_f32)( const struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3);
+   texel[RCOMP] = src[0];
+   texel[GCOMP] = src[1];
+   texel[BCOMP] = src[2];
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb_f32(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *src = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3);
+   dst[0] = src[RCOMP];
+   dst[1] = src[GCOMP];
+   dst[2] = src[BCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGB_F16 *******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RGB_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_rgb_f16)( const struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3);
+   texel[RCOMP] = _mesa_half_to_float(src[0]);
+   texel[GCOMP] = _mesa_half_to_float(src[1]);
+   texel[BCOMP] = _mesa_half_to_float(src[2]);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb_f16(struct swrast_texture_image *texImage,
+                                GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *src = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3);
+   dst[0] = _mesa_float_to_half(src[RCOMP]);
+   dst[1] = _mesa_float_to_half(src[GCOMP]);
+   dst[2] = _mesa_float_to_half(src[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_ALPHA_F32 *****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_alpha_f32)( const struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = src[0];
+}
+
+#if DIM == 3
+static void store_texel_alpha_f32(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   dst[0] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_ALPHA_F32 *****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_alpha_f16)( const struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = _mesa_half_to_float(src[0]);
+}
+
+#if DIM == 3
+static void store_texel_alpha_f16(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   dst[0] = _mesa_float_to_half(rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_LUMINANCE_F32 *************************************************/
+
+/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_luminance_f32)( const struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = src[0];
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_luminance_f32(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   dst[0] = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_LUMINANCE_F16 *************************************************/
+
+/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_luminance_f16)( const struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = _mesa_half_to_float(src[0]);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_luminance_f16(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   dst[0] = _mesa_float_to_half(rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_LUMINANCE_ALPHA_F32 *******************************************/
+
+/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_luminance_alpha_f32)( const struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = src[0];
+   texel[ACOMP] = src[1];
+}
+
+#if DIM == 3
+static void store_texel_luminance_alpha_f32(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_LUMINANCE_ALPHA_F16 *******************************************/
+
+/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_luminance_alpha_f16)( const struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = _mesa_half_to_float(src[0]);
+   texel[ACOMP] = _mesa_half_to_float(src[1]);
+}
+
+#if DIM == 3
+static void store_texel_luminance_alpha_f16(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
+   dst[0] = _mesa_float_to_half(rgba[RCOMP]);
+   dst[1] = _mesa_float_to_half(rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_INTENSITY_F32 *************************************************/
+
+/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_intensity_f32)( const struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] =
+   texel[ACOMP] = src[0];
+}
+
+#if DIM == 3
+static void store_texel_intensity_f32(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   dst[0] = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_INTENSITY_F16 *************************************************/
+
+/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_intensity_f16)( const struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] =
+   texel[ACOMP] = _mesa_half_to_float(src[0]);
+}
+
+#if DIM == 3
+static void store_texel_intensity_f16(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   dst[0] = _mesa_float_to_half(rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_R_FLOAT32 *****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D R_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_r_f32)( const struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   texel[RCOMP] = src[0];
+   texel[GCOMP] = 0.0F;
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_r_f32(struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
+   dst[0] = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_R_FLOAT16 *****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D R_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_r_f16)( const struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   texel[RCOMP] = _mesa_half_to_float(src[0]);
+   texel[GCOMP] = 0.0F;
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_r_f16(struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
+   dst[0] = _mesa_float_to_half(rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_RG_FLOAT32 ****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RG_FLOAT32 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_rg_f32)( const struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
+   texel[RCOMP] = src[0];
+   texel[GCOMP] = src[1];
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rg_f32(struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RG_FLOAT16 ****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D RG_FLOAT16 texture,
+ * returning 4 GLfloats.
+ */
+static void FETCH(f_rg_f16)( const struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
+   texel[RCOMP] = _mesa_half_to_float(src[0]);
+   texel[GCOMP] = _mesa_half_to_float(src[1]);
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rg_f16(struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *rgba = (const GLfloat *) texel;
+   GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
+   dst[0] = _mesa_float_to_half(rgba[RCOMP]);
+   dst[1] = _mesa_float_to_half(rgba[GCOMP]);
+}
+#endif
+
+
+/*
+ * Begin Hardware formats
+ */
+
+/* MESA_FORMAT_RGBA8888 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLfloats */
+static void FETCH(f_rgba8888)( const struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 24)        );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff );
+}
+
+
+
+#if DIM == 3
+static void store_texel_rgba8888(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA888_REV ***************************************************/
+
+/* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLchans */
+static void FETCH(f_rgba8888_rev)( const struct swrast_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24)        );
+}
+
+#if DIM == 3
+static void store_texel_rgba8888_rev(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB8888 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLchans */
+static void FETCH(f_argb8888)( const struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24)        );
+}
+
+#if DIM == 3
+static void store_texel_argb8888(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB8888_REV **************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLfloats */
+static void FETCH(f_argb8888_rev)( const struct swrast_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24)        );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff );
+}
+
+#if DIM == 3
+static void store_texel_argb8888_rev(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_XRGB8888 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D xrgb8888 texture, return 4 GLchans */
+static void FETCH(f_xrgb8888)( const struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff );
+   texel[ACOMP] = 1.0f;
+}
+
+#if DIM == 3
+static void store_texel_xrgb8888(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(0xff, rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_XRGB8888_REV **************************************************/
+
+/* Fetch texel from 1D, 2D or 3D xrgb8888_rev texture, return 4 GLfloats */
+static void FETCH(f_xrgb8888_rev)( const struct swrast_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( (s >>  8) & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
+   texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24)        );
+   texel[ACOMP] = 1.0f;
+}
+
+#if DIM == 3
+static void store_texel_xrgb8888_rev(struct swrast_texture_image *texImage,
+                                     GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[BCOMP], rgba[GCOMP], rgba[RCOMP], 0xff);
+}
+#endif
+
+
+/* MESA_FORMAT_RGB888 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLchans */
+static void FETCH(f_rgb888)( const struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   texel[RCOMP] = UBYTE_TO_FLOAT( src[2] );
+   texel[GCOMP] = UBYTE_TO_FLOAT( src[1] );
+   texel[BCOMP] = UBYTE_TO_FLOAT( src[0] );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb888(struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   dst[0] = rgba[BCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_BGR888 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLchans */
+static void FETCH(f_bgr888)( const struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   texel[RCOMP] = UBYTE_TO_FLOAT( src[0] );
+   texel[GCOMP] = UBYTE_TO_FLOAT( src[1] );
+   texel[BCOMP] = UBYTE_TO_FLOAT( src[2] );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_bgr888(struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+}
+#endif
+
+
+/* use color expansion like (g << 2) | (g >> 4) (does somewhat random rounding)
+   instead of slow (g << 2) * 255 / 252 (always rounds down) */
+
+/* MESA_FORMAT_RGB565 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLchans */
+static void FETCH(f_rgb565)( const struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = *src;
+   texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F);
+   texel[GCOMP] = ((s >> 5 ) & 0x3f) * (1.0F / 63.0F);
+   texel[BCOMP] = ((s      ) & 0x1f) * (1.0F / 31.0F);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb565(struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_565(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_RGB565_REV ****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLchans */
+static void FETCH(f_rgb565_rev)( const struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */
+   texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) );
+   texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 3) & 0xfc) | ((s >>  9) & 0x3) );
+   texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >>  2) & 0x7) );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb565_rev(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   GLushort p = PACK_COLOR_565(CHAN_TO_UBYTE(rgba[RCOMP]),
+                               CHAN_TO_UBYTE(rgba[GCOMP]),
+                               CHAN_TO_UBYTE(rgba[BCOMP]));
+   *dst = (p >> 8) | (p << 8); /* byte swap */
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB4444 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb444 texture, return 4 GLchans */
+static void FETCH(f_argb4444)( const struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = *src;
+   texel[RCOMP] = ((s >>  8) & 0xf) * (1.0F / 15.0F);
+   texel[GCOMP] = ((s >>  4) & 0xf) * (1.0F / 15.0F);
+   texel[BCOMP] = ((s      ) & 0xf) * (1.0F / 15.0F);
+   texel[ACOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F);
+}
+
+#if DIM == 3
+static void store_texel_argb4444(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_4444(CHAN_TO_UBYTE(rgba[ACOMP]),
+                          CHAN_TO_UBYTE(rgba[RCOMP]),
+                          CHAN_TO_UBYTE(rgba[GCOMP]),
+                          CHAN_TO_UBYTE(rgba[BCOMP]));
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB4444_REV **************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLchans */
+static void FETCH(f_argb4444_rev)( const struct swrast_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] = ((s      ) & 0xf) * (1.0F / 15.0F);
+   texel[GCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F);
+   texel[BCOMP] = ((s >>  8) & 0xf) * (1.0F / 15.0F);
+   texel[ACOMP] = ((s >>  4) & 0xf) * (1.0F / 15.0F);
+}
+
+#if DIM == 3
+static void store_texel_argb4444_rev(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_4444(CHAN_TO_UBYTE(rgba[GCOMP]),
+                          CHAN_TO_UBYTE(rgba[BCOMP]),
+                          CHAN_TO_UBYTE(rgba[ACOMP]),
+                          CHAN_TO_UBYTE(rgba[RCOMP]));
+}
+#endif
+
+/* MESA_FORMAT_RGBA5551 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */
+static void FETCH(f_rgba5551)( const struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = *src;
+   texel[RCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F);
+   texel[GCOMP] = ((s >>  6) & 0x1f) * (1.0F / 31.0F);
+   texel[BCOMP] = ((s >>  1) & 0x1f) * (1.0F / 31.0F);
+   texel[ACOMP] = ((s      ) & 0x01) * 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgba5551(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_5551(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+/* MESA_FORMAT_ARGB1555 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */
+static void FETCH(f_argb1555)( const struct swrast_texture_image *texImage,
+			     GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = *src;
+   texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F);
+   texel[GCOMP] = ((s >>  5) & 0x1f) * (1.0F / 31.0F);
+   texel[BCOMP] = ((s >>  0) & 0x1f) * (1.0F / 31.0F);
+   texel[ACOMP] = ((s >> 15) & 0x01) * 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_argb1555(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_1555(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB1555_REV **************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLchans */
+static void FETCH(f_argb1555_rev)( const struct swrast_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */
+   texel[RCOMP] = UBYTE_TO_FLOAT( ((s >>  7) & 0xf8) | ((s >> 12) & 0x7) );
+   texel[GCOMP] = UBYTE_TO_FLOAT( ((s >>  2) & 0xf8) | ((s >>  7) & 0x7) );
+   texel[BCOMP] = UBYTE_TO_FLOAT( ((s <<  3) & 0xf8) | ((s >>  2) & 0x7) );
+   texel[ACOMP] = UBYTE_TO_FLOAT( ((s >> 15) & 0x01) * 255 );
+}
+
+#if DIM == 3
+static void store_texel_argb1555_rev(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_1555_REV(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_ARGB2101010 ***************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb2101010 texture, return 4 GLchans */
+static void FETCH(f_argb2101010)( const struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   const GLuint s = *src;
+   texel[RCOMP] = ((s >> 20) & 0x3ff) * (1.0F / 1023.0F);
+   texel[GCOMP] = ((s >> 10) & 0x3ff) * (1.0F / 1023.0F);
+   texel[BCOMP] = ((s >>  0) & 0x3ff) * (1.0F / 1023.0F);
+   texel[ACOMP] = ((s >> 30) & 0x03) * (1.0F / 3.0F);
+}
+
+#if DIM == 3
+static void store_texel_argb2101010(struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   GLushort r = CHAN_TO_USHORT(rgba[RCOMP]);
+   GLushort g = CHAN_TO_USHORT(rgba[GCOMP]);
+   GLushort b = CHAN_TO_USHORT(rgba[BCOMP]);
+   GLushort a = CHAN_TO_USHORT(rgba[ACOMP]);
+   *dst = PACK_COLOR_2101010_US(a, r, g, b);
+}
+#endif
+
+
+/* MESA_FORMAT_RG88 **********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */
+static void FETCH(f_rg88)( const struct swrast_texture_image *texImage,
+                           GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 );
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 1.0;
+}
+
+#if DIM == 3
+static void store_texel_rg88(struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   GLubyte r = CHAN_TO_UBYTE(rgba[RCOMP]);
+   GLubyte g = CHAN_TO_UBYTE(rgba[GCOMP]);
+   *dst = PACK_COLOR_88(g, r);
+}
+#endif
+
+
+/* MESA_FORMAT_RG88_REV ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rg88_rev texture, return 4 GLchans */
+static void FETCH(f_rg88_rev)( const struct swrast_texture_image *texImage,
+                           GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT( s & 0xff );
+   texel[GCOMP] = UBYTE_TO_FLOAT( s >> 8 );
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 1.0;
+}
+
+#if DIM == 3
+static void store_texel_rg88_rev(struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_88(rgba[GCOMP], rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_AL44 **********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D al44 texture, return 4 GLchans */
+static void FETCH(f_al44)( const struct swrast_texture_image *texImage,
+                           GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte s = *TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = (s & 0xf) * (1.0F / 15.0F);
+   texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F);
+}
+
+#if DIM == 3
+static void store_texel_al44(struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_44(rgba[ACOMP], rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_AL88 **********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLchans */
+static void FETCH(f_al88)( const struct swrast_texture_image *texImage,
+                           GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] = 
+   texel[GCOMP] = 
+   texel[BCOMP] = UBYTE_TO_FLOAT( s & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( s >> 8 );
+}
+
+#if DIM == 3
+static void store_texel_al88(struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_88(rgba[ACOMP], rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_R8 ************************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rg88 texture, return 4 GLchans */
+static void FETCH(f_r8)(const struct swrast_texture_image *texImage,
+			GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLubyte s = *TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   texel[RCOMP] = UBYTE_TO_FLOAT(s);
+   texel[GCOMP] = 0.0;
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 1.0;
+}
+
+#if DIM == 3
+static void store_texel_r8(struct swrast_texture_image *texImage,
+			   GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_R16 ***********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D r16 texture, return 4 GLchans */
+static void FETCH(f_r16)(const struct swrast_texture_image *texImage,
+			GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] = USHORT_TO_FLOAT(s);
+   texel[GCOMP] = 0.0;
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 1.0;
+}
+
+#if DIM == 3
+static void store_texel_r16(struct swrast_texture_image *texImage,
+			    GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = CHAN_TO_USHORT(rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_AL88_REV ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLchans */
+static void FETCH(f_al88_rev)( const struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] = 
+   texel[GCOMP] = 
+   texel[BCOMP] = UBYTE_TO_FLOAT( s >> 8 );
+   texel[ACOMP] = UBYTE_TO_FLOAT( s & 0xff );
+}
+
+#if DIM == 3
+static void store_texel_al88_rev(struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_88(rgba[RCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_RG1616 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rg1616 texture, return 4 GLchans */
+static void FETCH(f_rg1616)( const struct swrast_texture_image *texImage,
+                           GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = USHORT_TO_FLOAT( s & 0xffff );
+   texel[GCOMP] = USHORT_TO_FLOAT( s >> 16 );
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 1.0;
+}
+
+#if DIM == 3
+static void store_texel_rg1616(struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   GLushort r = CHAN_TO_USHORT(rgba[RCOMP]);
+   GLushort g = CHAN_TO_USHORT(rgba[GCOMP]);
+   *dst = PACK_COLOR_1616(g, r);
+}
+#endif
+
+
+/* MESA_FORMAT_RG1616_REV ****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rg1616_rev texture, return 4 GLchans */
+static void FETCH(f_rg1616_rev)( const struct swrast_texture_image *texImage,
+                           GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = USHORT_TO_FLOAT( s >> 16 );
+   texel[GCOMP] = USHORT_TO_FLOAT( s & 0xffff );
+   texel[BCOMP] = 0.0;
+   texel[ACOMP] = 1.0;
+}
+
+#if DIM == 3
+static void store_texel_rg1616_rev(struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_1616(rgba[GCOMP], rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_AL1616 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D al1616 texture, return 4 GLchans */
+static void FETCH(f_al1616)( const struct swrast_texture_image *texImage,
+			     GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = USHORT_TO_FLOAT( s & 0xffff );
+   texel[ACOMP] = USHORT_TO_FLOAT( s >> 16 );
+}
+
+#if DIM == 3
+static void store_texel_al1616(struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   GLushort l = CHAN_TO_USHORT(rgba[RCOMP]);
+   GLushort a = CHAN_TO_USHORT(rgba[ACOMP]);
+   *dst = PACK_COLOR_1616(a, l);
+}
+#endif
+
+
+/* MESA_FORMAT_AL1616_REV ****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D al1616_rev texture, return 4 GLchans */
+static void FETCH(f_al1616_rev)( const struct swrast_texture_image *texImage,
+				 GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = USHORT_TO_FLOAT( s >> 16 );
+   texel[ACOMP] = USHORT_TO_FLOAT( s & 0xffff );
+}
+
+#if DIM == 3
+static void store_texel_al1616_rev(struct swrast_texture_image *texImage,
+				   GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLushort *rgba = (const GLushort *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_1616(rgba[RCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_RGB332 ********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLchans */
+static void FETCH(f_rgb332)( const struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   const GLubyte s = *src;
+   texel[RCOMP] = ((s >> 5) & 0x7) * (1.0F / 7.0F);
+   texel[GCOMP] = ((s >> 2) & 0x7) * (1.0F / 7.0F);
+   texel[BCOMP] = ((s     ) & 0x3) * (1.0F / 3.0F);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb332(struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_332(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_A8 ************************************************************/
+
+/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */
+static void FETCH(f_a8)( const struct swrast_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = UBYTE_TO_FLOAT( src[0] );
+}
+
+#if DIM == 3
+static void store_texel_a8(struct swrast_texture_image *texImage,
+                           GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_A16 ************************************************************/
+
+/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLchans */
+static void FETCH(f_a16)( const struct swrast_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = USHORT_TO_FLOAT( src[0] );
+}
+
+#if DIM == 3
+static void store_texel_a16(struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = CHAN_TO_USHORT(rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_L8 ************************************************************/
+
+/* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLchans */
+static void FETCH(f_l8)( const struct swrast_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = UBYTE_TO_FLOAT( src[0] );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_l8(struct swrast_texture_image *texImage,
+                           GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_L16 ***********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D l16 texture, return 4 GLchans */
+static void FETCH(f_l16)( const struct swrast_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = USHORT_TO_FLOAT( src[0] );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_l16(struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = CHAN_TO_USHORT(rgba[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_I8 ************************************************************/
+
+/* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLchans */
+static void FETCH(f_i8)( const struct swrast_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] =
+   texel[ACOMP] = UBYTE_TO_FLOAT( src[0] );
+}
+
+#if DIM == 3
+static void store_texel_i8(struct swrast_texture_image *texImage,
+                           GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_I16 ***********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D i16 texture, return 4 GLchans */
+static void FETCH(f_i16)( const struct swrast_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] =
+   texel[ACOMP] = USHORT_TO_FLOAT( src[0] );
+}
+
+#if DIM == 3
+static void store_texel_i16(struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   *dst = CHAN_TO_USHORT(rgba[RCOMP]);
+}
+#endif
+
+
+/* Fetch texel from 1D, 2D or 3D srgb8 texture, return 4 GLfloats */
+/* Note: component order is same as for MESA_FORMAT_RGB888 */
+static void FETCH(srgb8)(const struct swrast_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   texel[RCOMP] = nonlinear_to_linear(src[2]);
+   texel[GCOMP] = nonlinear_to_linear(src[1]);
+   texel[BCOMP] = nonlinear_to_linear(src[0]);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_srgb8(struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
+   dst[0] = rgba[BCOMP]; /* no conversion */
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[RCOMP];
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D srgba8 texture, return 4 GLfloats */
+static void FETCH(srgba8)(const struct swrast_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = nonlinear_to_linear( (s >> 24) );
+   texel[GCOMP] = nonlinear_to_linear( (s >> 16) & 0xff );
+   texel[BCOMP] = nonlinear_to_linear( (s >>  8) & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s      ) & 0xff ); /* linear! */
+}
+
+#if DIM == 3
+static void store_texel_srgba8(struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D sargb8 texture, return 4 GLfloats */
+static void FETCH(sargb8)(const struct swrast_texture_image *texImage,
+                          GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = nonlinear_to_linear( (s >> 16) & 0xff );
+   texel[GCOMP] = nonlinear_to_linear( (s >>  8) & 0xff );
+   texel[BCOMP] = nonlinear_to_linear( (s      ) & 0xff );
+   texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) ); /* linear! */
+}
+
+#if DIM == 3
+static void store_texel_sargb8(struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[ACOMP], rgba[RCOMP], rgba[GCOMP], rgba[BCOMP]);
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D sl8 texture, return 4 GLfloats */
+static void FETCH(sl8)(const struct swrast_texture_image *texImage,
+                       GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   texel[RCOMP] = 
+   texel[GCOMP] = 
+   texel[BCOMP] = nonlinear_to_linear(src[0]);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_sl8(struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
+   dst[0] = rgba[RCOMP];
+}
+#endif
+
+/* Fetch texel from 1D, 2D or 3D sla8 texture, return 4 GLfloats */
+static void FETCH(sla8)(const struct swrast_texture_image *texImage,
+                       GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = nonlinear_to_linear(src[0]);
+   texel[ACOMP] = UBYTE_TO_FLOAT(src[1]); /* linear */
+}
+
+#if DIM == 3
+static void store_texel_sla8(struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 2);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_INT8 **************************************************/
+
+static void
+FETCH(rgba_int8)(const struct swrast_texture_image *texImage,
+                 GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_int8(struct swrast_texture_image *texImage,
+                      GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rgba = (const GLbyte *) texel;
+   GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_INT16 **************************************************/
+
+static void
+FETCH(rgba_int16)(const struct swrast_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLshort *src = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_int16(struct swrast_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLshort *rgba = (const GLshort *) texel;
+   GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_INT32 **************************************************/
+
+static void
+FETCH(rgba_int32)(const struct swrast_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLint *src = TEXEL_ADDR(GLint, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_int32(struct swrast_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLint *rgba = (const GLint *) texel;
+   GLint *dst = TEXEL_ADDR(GLint, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_UINT8 **************************************************/
+
+static void
+FETCH(rgba_uint8)(const struct swrast_texture_image *texImage,
+                 GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_uint8(struct swrast_texture_image *texImage,
+                      GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLubyte *dst = TEXEL_ADDR(GLubyte, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_UINT16 **************************************************/
+
+static void
+FETCH(rgba_uint16)(const struct swrast_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_uint16(struct swrast_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLushort *rgba = (const GLushort *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_RGBA_UINT32 **************************************************/
+
+static void
+FETCH(rgba_uint32)(const struct swrast_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 4);
+   texel[RCOMP] = (GLfloat) src[0];
+   texel[GCOMP] = (GLfloat) src[1];
+   texel[BCOMP] = (GLfloat) src[2];
+   texel[ACOMP] = (GLfloat) src[3];
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_uint32(struct swrast_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLuint *rgba = (const GLuint *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 4);
+   dst[0] = rgba[RCOMP];
+   dst[1] = rgba[GCOMP];
+   dst[2] = rgba[BCOMP];
+   dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_DUDV8 ********************************************************/
+
+/* this format by definition produces 0,0,0,1 as rgba values,
+   however we'll return the dudv values as rg and fix up elsewhere */
+static void FETCH(dudv8)(const struct swrast_texture_image *texImage,
+                         GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 2);
+   texel[RCOMP] = BYTE_TO_FLOAT(src[0]);
+   texel[GCOMP] = BYTE_TO_FLOAT(src[1]);
+   texel[BCOMP] = 0;
+   texel[ACOMP] = 0;
+}
+
+
+/* MESA_FORMAT_SIGNED_R8 ***********************************************/
+
+static void FETCH(signed_r8)( const struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
+   texel[RCOMP] = BYTE_TO_FLOAT_TEX( s );
+   texel[GCOMP] = 0.0F;
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_signed_r8(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rgba = (const GLbyte *) texel;
+   GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
+   *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_A8 ***********************************************/
+
+static void FETCH(signed_a8)( const struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
+   texel[RCOMP] = 0.0F;
+   texel[GCOMP] = 0.0F;
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = BYTE_TO_FLOAT_TEX( s );
+}
+
+#if DIM == 3
+static void store_texel_signed_a8(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rgba = (const GLbyte *) texel;
+   GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
+   *dst = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_L8 ***********************************************/
+
+static void FETCH(signed_l8)( const struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = BYTE_TO_FLOAT_TEX( s );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_signed_l8(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rgba = (const GLbyte *) texel;
+   GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
+   *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_I8 ***********************************************/
+
+static void FETCH(signed_i8)( const struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] =
+   texel[ACOMP] = BYTE_TO_FLOAT_TEX( s );
+}
+
+#if DIM == 3
+static void store_texel_signed_i8(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rgba = (const GLbyte *) texel;
+   GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
+   *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RG88_REV ***********************************************/
+
+static void FETCH(signed_rg88_rev)( const struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+   texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) );
+   texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) );
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_signed_rg88_rev(struct swrast_texture_image *texImage,
+                                        GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rg = (const GLbyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   dst[0] = PACK_COLOR_88(rg[GCOMP], rg[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_AL88 ***********************************************/
+
+static void FETCH(signed_al88)( const struct swrast_texture_image *texImage,
+                                GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) );
+   texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) );
+}
+
+#if DIM == 3
+static void store_texel_signed_al88(struct swrast_texture_image *texImage,
+                                    GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rg = (const GLbyte *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+   dst[0] = PACK_COLOR_88(rg[ACOMP], rg[RCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RGBX8888 ***********************************************/
+
+static void FETCH(signed_rgbx8888)( const struct swrast_texture_image *texImage,
+			            GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) );
+   texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) );
+   texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >>  8) );
+   texel[ACOMP] = 1.0f;
+}
+
+#if DIM == 3
+static void store_texel_signed_rgbx8888(struct swrast_texture_image *texImage,
+                                        GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rgba = (const GLbyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], 255);
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RGBA8888 ***********************************************/
+
+static void FETCH(signed_rgba8888)( const struct swrast_texture_image *texImage,
+			            GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) );
+   texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) );
+   texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >>  8) );
+   texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s      ) );
+}
+
+#if DIM == 3
+static void store_texel_signed_rgba8888(struct swrast_texture_image *texImage,
+                                        GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLbyte *rgba = (const GLbyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+static void FETCH(signed_rgba8888_rev)( const struct swrast_texture_image *texImage,
+                                        GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s      ) );
+   texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >>  8) );
+   texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) );
+   texel[ACOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) );
+}
+
+#if DIM == 3
+static void store_texel_signed_rgba8888_rev(struct swrast_texture_image *texImage,
+                                            GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLubyte *rgba = (const GLubyte *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = PACK_COLOR_8888_REV(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
+
+
+/* MESA_FORMAT_SIGNED_R16 ***********************************************/
+
+static void
+FETCH(signed_r16)(const struct swrast_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+   texel[RCOMP] = SHORT_TO_FLOAT_TEX( s );
+   texel[GCOMP] = 0.0F;
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void
+store_texel_signed_r16(struct swrast_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLshort *rgba = (const GLshort *) texel;
+   GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+   *dst = rgba[0];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_A16 ***********************************************/
+
+static void
+FETCH(signed_a16)(const struct swrast_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+   texel[RCOMP] = 0.0F;
+   texel[GCOMP] = 0.0F;
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = SHORT_TO_FLOAT_TEX( s );
+}
+
+#if DIM == 3
+static void
+store_texel_signed_a16(struct swrast_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLshort *rgba = (const GLshort *) texel;
+   GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+   *dst = rgba[ACOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_L16 ***********************************************/
+
+static void
+FETCH(signed_l16)(const struct swrast_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = SHORT_TO_FLOAT_TEX( s );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void
+store_texel_signed_l16(struct swrast_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLshort *rgba = (const GLshort *) texel;
+   GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+   *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_I16 ***********************************************/
+
+static void
+FETCH(signed_i16)(const struct swrast_texture_image *texImage,
+                  GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] =
+   texel[ACOMP] = SHORT_TO_FLOAT_TEX( s );
+}
+
+#if DIM == 3
+static void
+store_texel_signed_i16(struct swrast_texture_image *texImage,
+                       GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLshort *rgba = (const GLshort *) texel;
+   GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+   *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RG1616 ***********************************************/
+
+static void
+FETCH(signed_rg1616)(const struct swrast_texture_image *texImage,
+                    GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
+   texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
+   texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] );
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void
+store_texel_signed_rg1616(struct swrast_texture_image *texImage,
+                         GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
+   dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
+   dst[1] = CHAN_TO_SHORT(rgba[GCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_AL1616 ***********************************************/
+
+static void
+FETCH(signed_al1616)(const struct swrast_texture_image *texImage,
+                    GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
+   texel[RCOMP] =
+   texel[GCOMP] =
+   texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
+   texel[ACOMP] = SHORT_TO_FLOAT_TEX( s[1] );
+}
+
+#if DIM == 3
+static void
+store_texel_signed_al1616(struct swrast_texture_image *texImage,
+                         GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
+   dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
+   dst[1] = CHAN_TO_SHORT(rgba[ACOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RGB_16 ***********************************************/
+
+static void 
+FETCH(signed_rgb_16)(const struct swrast_texture_image *texImage,
+                     GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 3);
+   texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
+   texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] );
+   texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[2] );
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void
+store_texel_signed_rgb_16(struct swrast_texture_image *texImage,
+                          GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 3);
+   dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
+   dst[1] = CHAN_TO_SHORT(rgba[GCOMP]);
+   dst[2] = CHAN_TO_SHORT(rgba[BCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RGBA_16 ***********************************************/
+
+static void
+FETCH(signed_rgba_16)(const struct swrast_texture_image *texImage,
+                      GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
+   texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
+   texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] );
+   texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[2] );
+   texel[ACOMP] = SHORT_TO_FLOAT_TEX( s[3] );
+}
+
+#if DIM == 3
+static void
+store_texel_signed_rgba_16(struct swrast_texture_image *texImage,
+                           GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
+   dst[0] = CHAN_TO_SHORT(rgba[RCOMP]);
+   dst[1] = CHAN_TO_SHORT(rgba[GCOMP]);
+   dst[2] = CHAN_TO_SHORT(rgba[BCOMP]);
+   dst[3] = CHAN_TO_SHORT(rgba[ACOMP]);
+}
+#endif
+
+
+
+/* MESA_FORMAT_RGBA_16 ***********************************************/
+
+static void
+FETCH(rgba_16)(const struct swrast_texture_image *texImage,
+               GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLushort *s = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
+   texel[RCOMP] = USHORT_TO_FLOAT( s[0] );
+   texel[GCOMP] = USHORT_TO_FLOAT( s[1] );
+   texel[BCOMP] = USHORT_TO_FLOAT( s[2] );
+   texel[ACOMP] = USHORT_TO_FLOAT( s[3] );
+}
+
+#if DIM == 3
+static void
+store_texel_rgba_16(struct swrast_texture_image *texImage,
+                    GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLchan *rgba = (const GLchan *) texel;
+   GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 4);
+   dst[0] = CHAN_TO_USHORT(rgba[RCOMP]);
+   dst[1] = CHAN_TO_USHORT(rgba[GCOMP]);
+   dst[2] = CHAN_TO_USHORT(rgba[BCOMP]);
+   dst[3] = CHAN_TO_USHORT(rgba[ACOMP]);
+}
+#endif
+
+
+
+/* MESA_FORMAT_YCBCR *********************************************************/
+
+/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLfloats.
+ * We convert YCbCr to RGB here.
+ */
+static void FETCH(f_ycbcr)( const struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */
+   const GLushort *src1 = src0 + 1;                               /* odd */
+   const GLubyte y0 = (*src0 >> 8) & 0xff;  /* luminance */
+   const GLubyte cb = *src0 & 0xff;         /* chroma U */
+   const GLubyte y1 = (*src1 >> 8) & 0xff;  /* luminance */
+   const GLubyte cr = *src1 & 0xff;         /* chroma V */
+   const GLubyte y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
+   GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128);
+   GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128);
+   GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128);
+   r *= (1.0F / 255.0F);
+   g *= (1.0F / 255.0F);
+   b *= (1.0F / 255.0F);
+   texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
+   texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
+   texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_ycbcr(struct swrast_texture_image *texImage,
+                              GLint i, GLint j, GLint k, const void *texel)
+{
+   (void) texImage;
+   (void) i;
+   (void) j;
+   (void) k;
+   (void) texel;
+   /* XXX to do */
+}
+#endif
+
+
+/* MESA_FORMAT_YCBCR_REV *****************************************************/
+
+/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLfloats.
+ * We convert YCbCr to RGB here.
+ */
+static void FETCH(f_ycbcr_rev)( const struct swrast_texture_image *texImage,
+                                GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */
+   const GLushort *src1 = src0 + 1;                               /* odd */
+   const GLubyte y0 = *src0 & 0xff;         /* luminance */
+   const GLubyte cr = (*src0 >> 8) & 0xff;  /* chroma V */
+   const GLubyte y1 = *src1 & 0xff;         /* luminance */
+   const GLubyte cb = (*src1 >> 8) & 0xff;  /* chroma U */
+   const GLubyte y = (i & 1) ? y1 : y0;     /* choose even/odd luminance */
+   GLfloat r = 1.164F * (y - 16) + 1.596F * (cr - 128);
+   GLfloat g = 1.164F * (y - 16) - 0.813F * (cr - 128) - 0.391F * (cb - 128);
+   GLfloat b = 1.164F * (y - 16) + 2.018F * (cb - 128);
+   r *= (1.0F / 255.0F);
+   g *= (1.0F / 255.0F);
+   b *= (1.0F / 255.0F);
+   texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
+   texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
+   texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_ycbcr_rev(struct swrast_texture_image *texImage,
+                                  GLint i, GLint j, GLint k, const void *texel)
+{
+   (void) texImage;
+   (void) i;
+   (void) j;
+   (void) k;
+   (void) texel;
+   /* XXX to do */
+}
+#endif
+
+
+/* MESA_TEXFORMAT_Z24_S8 ***************************************************/
+
+static void FETCH(f_z24_s8)( const struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   /* only return Z, not stencil data */
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
+   texel[0] = ((*src) >> 8) * scale;
+   ASSERT(texImage->Base.TexFormat == MESA_FORMAT_Z24_S8 ||
+	  texImage->Base.TexFormat == MESA_FORMAT_Z24_X8);
+   ASSERT(texel[0] >= 0.0F);
+   ASSERT(texel[0] <= 1.0F);
+}
+
+#if DIM == 3
+static void store_texel_z24_s8(struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   /* only store Z, not stencil */
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   GLfloat depth = *((GLfloat *) texel);
+   GLuint zi = ((GLuint) (depth * 0xffffff)) << 8;
+   *dst = zi | (*dst & 0xff);
+}
+#endif
+
+
+/* MESA_TEXFORMAT_S8_Z24 ***************************************************/
+
+static void FETCH(f_s8_z24)( const struct swrast_texture_image *texImage,
+                             GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   /* only return Z, not stencil data */
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
+   texel[0] = ((*src) & 0x00ffffff) * scale;
+   ASSERT(texImage->Base.TexFormat == MESA_FORMAT_S8_Z24 ||
+	  texImage->Base.TexFormat == MESA_FORMAT_X8_Z24);
+   ASSERT(texel[0] >= 0.0F);
+   ASSERT(texel[0] <= 1.0F);
+}
+
+#if DIM == 3
+static void store_texel_s8_z24(struct swrast_texture_image *texImage,
+                               GLint i, GLint j, GLint k, const void *texel)
+{
+   /* only store Z, not stencil */
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   GLfloat depth = *((GLfloat *) texel);
+   GLuint zi = (GLuint) (depth * 0xffffff);
+   *dst = zi | (*dst & 0xff000000);
+}
+#endif
+
+
+/* MESA_FORMAT_RGB9_E5 ******************************************************/
+
+static void FETCH(rgb9_e5)( const struct swrast_texture_image *texImage,
+                            GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   rgb9e5_to_float3(*src, texel);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_rgb9_e5(struct swrast_texture_image *texImage,
+                                GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *src = (const GLfloat *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = float3_to_rgb9e5(src);
+}
+#endif
+
+
+/* MESA_FORMAT_R11_G11_B10_FLOAT *********************************************/
+
+static void FETCH(r11_g11_b10f)( const struct swrast_texture_image *texImage,
+                                 GLint i, GLint j, GLint k, GLfloat *texel )
+{
+   const GLuint *src = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   r11g11b10f_to_float3(*src, texel);
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_r11_g11_b10f(struct swrast_texture_image *texImage,
+                                     GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *src = (const GLfloat *) texel;
+   GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+   *dst = float3_to_r11g11b10f(src);
+}
+#endif
+
+
+/* MESA_FORMAT_Z32_FLOAT_X24S8 ***********************************************/
+
+static void FETCH(z32f_x24s8)(const struct swrast_texture_image *texImage,
+			      GLint i, GLint j, GLint k, GLfloat *texel)
+{
+   const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
+   texel[RCOMP] = src[0];
+   texel[GCOMP] = 0.0F;
+   texel[BCOMP] = 0.0F;
+   texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_z32f_x24s8(struct swrast_texture_image *texImage,
+                                   GLint i, GLint j, GLint k, const void *texel)
+{
+   const GLfloat *src = (const GLfloat *) texel;
+   GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
+   dst[0] = src[0];
+}
+#endif
+
+
+#undef TEXEL_ADDR
+#undef DIM
+#undef FETCH
diff --git a/mesalib/src/mesa/swrast/s_texfilter.c b/mesalib/src/mesa/swrast/s_texfilter.c
index ad31e3778..a7a190ab6 100644
--- a/mesalib/src/mesa/swrast/s_texfilter.c
+++ b/mesalib/src/mesa/swrast/s_texfilter.c
@@ -802,6 +802,7 @@ sample_1d_nearest(struct gl_context *ctx,
                   const struct gl_texture_image *img,
                   const GLfloat texcoord[4], GLfloat rgba[4])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;  /* without border, power of two */
    GLint i;
    i = nearest_texel_location(tObj->Sampler.WrapS, img, width, texcoord[0]);
@@ -812,7 +813,7 @@ sample_1d_nearest(struct gl_context *ctx,
       get_border_color(tObj, img, rgba);
    }
    else {
-      img->FetchTexelf(img, i, 0, 0, rgba);
+      swImg->FetchTexelf(swImg, i, 0, 0, rgba);
    }
 }
 
@@ -826,6 +827,7 @@ sample_1d_linear(struct gl_context *ctx,
                  const struct gl_texture_image *img,
                  const GLfloat texcoord[4], GLfloat rgba[4])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;
    GLint i0, i1;
    GLbitfield useBorderColor = 0x0;
@@ -848,13 +850,13 @@ sample_1d_linear(struct gl_context *ctx,
       get_border_color(tObj, img, t0);
    }
    else {
-      img->FetchTexelf(img, i0, 0, 0, t0);
+      swImg->FetchTexelf(swImg, i0, 0, 0, t0);
    }
    if (useBorderColor & I1BIT) {
       get_border_color(tObj, img, t1);
    }
    else {
-      img->FetchTexelf(img, i1, 0, 0, t1);
+      swImg->FetchTexelf(swImg, i1, 0, 0, t1);
    }
 
    lerp_rgba(rgba, a, t0, t1);
@@ -1060,6 +1062,7 @@ sample_2d_nearest(struct gl_context *ctx,
                   const GLfloat texcoord[4],
                   GLfloat rgba[])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;    /* without border, power of two */
    const GLint height = img->Height2;  /* without border, power of two */
    GLint i, j;
@@ -1077,7 +1080,7 @@ sample_2d_nearest(struct gl_context *ctx,
       get_border_color(tObj, img, rgba);
    }
    else {
-      img->FetchTexelf(img, i, j, 0, rgba);
+      swImg->FetchTexelf(swImg, i, j, 0, rgba);
    }
 }
 
@@ -1093,6 +1096,7 @@ sample_2d_linear(struct gl_context *ctx,
                  const GLfloat texcoord[4],
                  GLfloat rgba[])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;
    const GLint height = img->Height2;
    GLint i0, j0, i1, j1;
@@ -1121,25 +1125,25 @@ sample_2d_linear(struct gl_context *ctx,
       get_border_color(tObj, img, t00);
    }
    else {
-      img->FetchTexelf(img, i0, j0, 0, t00);
+      swImg->FetchTexelf(swImg, i0, j0, 0, t00);
    }
    if (useBorderColor & (I1BIT | J0BIT)) {
       get_border_color(tObj, img, t10);
    }
    else {
-      img->FetchTexelf(img, i1, j0, 0, t10);
+      swImg->FetchTexelf(swImg, i1, j0, 0, t10);
    }
    if (useBorderColor & (I0BIT | J1BIT)) {
       get_border_color(tObj, img, t01);
    }
    else {
-      img->FetchTexelf(img, i0, j1, 0, t01);
+      swImg->FetchTexelf(swImg, i0, j1, 0, t01);
    }
    if (useBorderColor & (I1BIT | J1BIT)) {
       get_border_color(tObj, img, t11);
    }
    else {
-      img->FetchTexelf(img, i1, j1, 0, t11);
+      swImg->FetchTexelf(swImg, i1, j1, 0, t11);
    }
 
    lerp_rgba_2d(rgba, a, b, t00, t10, t01, t11);
@@ -1157,6 +1161,7 @@ sample_2d_linear_repeat(struct gl_context *ctx,
                         const GLfloat texcoord[4],
                         GLfloat rgba[])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;
    const GLint height = img->Height2;
    GLint i0, j0, i1, j1;
@@ -1173,10 +1178,10 @@ sample_2d_linear_repeat(struct gl_context *ctx,
    linear_repeat_texel_location(width,  texcoord[0], &i0, &i1, &wi);
    linear_repeat_texel_location(height, texcoord[1], &j0, &j1, &wj);
 
-   img->FetchTexelf(img, i0, j0, 0, t00);
-   img->FetchTexelf(img, i1, j0, 0, t10);
-   img->FetchTexelf(img, i0, j1, 0, t01);
-   img->FetchTexelf(img, i1, j1, 0, t11);
+   swImg->FetchTexelf(swImg, i0, j0, 0, t00);
+   swImg->FetchTexelf(swImg, i1, j0, 0, t10);
+   swImg->FetchTexelf(swImg, i0, j1, 0, t01);
+   swImg->FetchTexelf(swImg, i1, j1, 0, t11);
 
    lerp_rgba_2d(rgba, wi, wj, t00, t10, t01, t11);
 }
@@ -1934,6 +1939,7 @@ sample_3d_nearest(struct gl_context *ctx,
                   const GLfloat texcoord[4],
                   GLfloat rgba[4])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;     /* without border, power of two */
    const GLint height = img->Height2;   /* without border, power of two */
    const GLint depth = img->Depth2;     /* without border, power of two */
@@ -1951,7 +1957,7 @@ sample_3d_nearest(struct gl_context *ctx,
       get_border_color(tObj, img, rgba);
    }
    else {
-      img->FetchTexelf(img, i, j, k, rgba);
+      swImg->FetchTexelf(swImg, i, j, k, rgba);
    }
 }
 
@@ -1966,6 +1972,7 @@ sample_3d_linear(struct gl_context *ctx,
                  const GLfloat texcoord[4],
                  GLfloat rgba[4])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;
    const GLint height = img->Height2;
    const GLint depth = img->Depth2;
@@ -2002,50 +2009,50 @@ sample_3d_linear(struct gl_context *ctx,
       get_border_color(tObj, img, t000);
    }
    else {
-      img->FetchTexelf(img, i0, j0, k0, t000);
+      swImg->FetchTexelf(swImg, i0, j0, k0, t000);
    }
    if (useBorderColor & (I1BIT | J0BIT | K0BIT)) {
       get_border_color(tObj, img, t100);
    }
    else {
-      img->FetchTexelf(img, i1, j0, k0, t100);
+      swImg->FetchTexelf(swImg, i1, j0, k0, t100);
    }
    if (useBorderColor & (I0BIT | J1BIT | K0BIT)) {
       get_border_color(tObj, img, t010);
    }
    else {
-      img->FetchTexelf(img, i0, j1, k0, t010);
+      swImg->FetchTexelf(swImg, i0, j1, k0, t010);
    }
    if (useBorderColor & (I1BIT | J1BIT | K0BIT)) {
       get_border_color(tObj, img, t110);
    }
    else {
-      img->FetchTexelf(img, i1, j1, k0, t110);
+      swImg->FetchTexelf(swImg, i1, j1, k0, t110);
    }
 
    if (useBorderColor & (I0BIT | J0BIT | K1BIT)) {
       get_border_color(tObj, img, t001);
    }
    else {
-      img->FetchTexelf(img, i0, j0, k1, t001);
+      swImg->FetchTexelf(swImg, i0, j0, k1, t001);
    }
    if (useBorderColor & (I1BIT | J0BIT | K1BIT)) {
       get_border_color(tObj, img, t101);
    }
    else {
-      img->FetchTexelf(img, i1, j0, k1, t101);
+      swImg->FetchTexelf(swImg, i1, j0, k1, t101);
    }
    if (useBorderColor & (I0BIT | J1BIT | K1BIT)) {
       get_border_color(tObj, img, t011);
    }
    else {
-      img->FetchTexelf(img, i0, j1, k1, t011);
+      swImg->FetchTexelf(swImg, i0, j1, k1, t011);
    }
    if (useBorderColor & (I1BIT | J1BIT | K1BIT)) {
       get_border_color(tObj, img, t111);
    }
    else {
-      img->FetchTexelf(img, i1, j1, k1, t111);
+      swImg->FetchTexelf(swImg, i1, j1, k1, t111);
    }
 
    /* trilinear interpolation of samples */
@@ -2544,6 +2551,7 @@ sample_nearest_rect(struct gl_context *ctx,
                     GLfloat rgba[][4])
 {
    const struct gl_texture_image *img = tObj->Image[0][0];
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width;
    const GLint height = img->Height;
    GLuint i;
@@ -2565,7 +2573,7 @@ sample_nearest_rect(struct gl_context *ctx,
       if (col < 0 || col >= width || row < 0 || row >= height)
          get_border_color(tObj, img, rgba[i]);
       else
-         img->FetchTexelf(img, col, row, 0, rgba[i]);
+         swImg->FetchTexelf(swImg, col, row, 0, rgba[i]);
    }
 }
 
@@ -2577,6 +2585,7 @@ sample_linear_rect(struct gl_context *ctx,
 		   const GLfloat lambda[], GLfloat rgba[][4])
 {
    const struct gl_texture_image *img = tObj->Image[0][0];
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width;
    const GLint height = img->Height;
    GLuint i;
@@ -2612,22 +2621,22 @@ sample_linear_rect(struct gl_context *ctx,
       if (useBorderColor & (I0BIT | J0BIT))
          get_border_color(tObj, img, t00);
       else
-         img->FetchTexelf(img, i0, j0, 0, t00);
+         swImg->FetchTexelf(swImg, i0, j0, 0, t00);
 
       if (useBorderColor & (I1BIT | J0BIT))
          get_border_color(tObj, img, t10);
       else
-         img->FetchTexelf(img, i1, j0, 0, t10);
+         swImg->FetchTexelf(swImg, i1, j0, 0, t10);
 
       if (useBorderColor & (I0BIT | J1BIT))
          get_border_color(tObj, img, t01);
       else
-         img->FetchTexelf(img, i0, j1, 0, t01);
+         swImg->FetchTexelf(swImg, i0, j1, 0, t01);
 
       if (useBorderColor & (I1BIT | J1BIT))
          get_border_color(tObj, img, t11);
       else
-         img->FetchTexelf(img, i1, j1, 0, t11);
+         swImg->FetchTexelf(swImg, i1, j1, 0, t11);
 
       lerp_rgba_2d(rgba[i], a, b, t00, t10, t01, t11);
    }
@@ -2686,6 +2695,7 @@ sample_2d_array_nearest(struct gl_context *ctx,
                         const GLfloat texcoord[4],
                         GLfloat rgba[4])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;     /* without border, power of two */
    const GLint height = img->Height2;   /* without border, power of two */
    const GLint depth = img->Depth;
@@ -2704,7 +2714,7 @@ sample_2d_array_nearest(struct gl_context *ctx,
       get_border_color(tObj, img, rgba);
    }
    else {
-      img->FetchTexelf(img, i, j, array, rgba);
+      swImg->FetchTexelf(swImg, i, j, array, rgba);
    }
 }
 
@@ -2719,6 +2729,7 @@ sample_2d_array_linear(struct gl_context *ctx,
                        const GLfloat texcoord[4],
                        GLfloat rgba[4])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;
    const GLint height = img->Height2;
    const GLint depth = img->Depth;
@@ -2755,25 +2766,25 @@ sample_2d_array_linear(struct gl_context *ctx,
          get_border_color(tObj, img, t00);
       }
       else {
-	 img->FetchTexelf(img, i0, j0, array, t00);
+	 swImg->FetchTexelf(swImg, i0, j0, array, t00);
       }
       if (useBorderColor & (I1BIT | J0BIT)) {
          get_border_color(tObj, img, t10);
       }
       else {
-	 img->FetchTexelf(img, i1, j0, array, t10);
+	 swImg->FetchTexelf(swImg, i1, j0, array, t10);
       }
       if (useBorderColor & (I0BIT | J1BIT)) {
          get_border_color(tObj, img, t01);
       }
       else {
-	 img->FetchTexelf(img, i0, j1, array, t01);
+	 swImg->FetchTexelf(swImg, i0, j1, array, t01);
       }
       if (useBorderColor & (I1BIT | J1BIT)) {
          get_border_color(tObj, img, t11);
       }
       else {
-	 img->FetchTexelf(img, i1, j1, array, t11);
+	 swImg->FetchTexelf(swImg, i1, j1, array, t11);
       }
       
       /* trilinear interpolation of samples */
@@ -2996,6 +3007,7 @@ sample_1d_array_nearest(struct gl_context *ctx,
                         const GLfloat texcoord[4],
                         GLfloat rgba[4])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;     /* without border, power of two */
    const GLint height = img->Height;
    GLint i;
@@ -3011,7 +3023,7 @@ sample_1d_array_nearest(struct gl_context *ctx,
       get_border_color(tObj, img, rgba);
    }
    else {
-      img->FetchTexelf(img, i, array, 0, rgba);
+      swImg->FetchTexelf(swImg, i, array, 0, rgba);
    }
 }
 
@@ -3026,6 +3038,7 @@ sample_1d_array_linear(struct gl_context *ctx,
                        const GLfloat texcoord[4],
                        GLfloat rgba[4])
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width2;
    const GLint height = img->Height;
    GLint i0, i1;
@@ -3054,13 +3067,13 @@ sample_1d_array_linear(struct gl_context *ctx,
       get_border_color(tObj, img, t0);
    }
    else {
-      img->FetchTexelf(img, i0, array, 0, t0);
+      swImg->FetchTexelf(swImg, i0, array, 0, t0);
    }
    if (useBorderColor & (I1BIT | K0BIT)) {
       get_border_color(tObj, img, t1);
    }
    else {
-      img->FetchTexelf(img, i1, array, 0, t1);
+      swImg->FetchTexelf(swImg, i1, array, 0, t1);
    }
 
    /* bilinear interpolation of samples */
@@ -3388,6 +3401,7 @@ sample_depth_texture( struct gl_context *ctx,
 {
    const GLint level = choose_depth_texture_level(tObj, lambda[0]);
    const struct gl_texture_image *img = tObj->Image[0][level];
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLint width = img->Width;
    const GLint height = img->Height;
    const GLint depth = img->Depth;
@@ -3423,7 +3437,7 @@ sample_depth_texture( struct gl_context *ctx,
 
          if (col >= 0 && row >= 0 && col < width && row < height && 
              slice >= 0 && slice < depth) {
-            img->FetchTexelf(img, col, row, slice, &depthSample);
+            swImg->FetchTexelf(swImg, col, row, slice, &depthSample);
          }
          else {
             depthSample = tObj->Sampler.BorderColor.f[0];
@@ -3492,13 +3506,13 @@ sample_depth_texture( struct gl_context *ctx,
                depth00 = tObj->Sampler.BorderColor.f[0];
             }
             else {
-               img->FetchTexelf(img, i0, j0, slice, &depth00);
+               swImg->FetchTexelf(swImg, i0, j0, slice, &depth00);
             }
             if (useBorderTexel & (I1BIT | J0BIT)) {
                depth10 = tObj->Sampler.BorderColor.f[0];
             }
             else {
-               img->FetchTexelf(img, i1, j0, slice, &depth10);
+               swImg->FetchTexelf(swImg, i1, j0, slice, &depth10);
             }
 
             if (tObj->Target != GL_TEXTURE_1D_ARRAY_EXT) {
@@ -3506,13 +3520,13 @@ sample_depth_texture( struct gl_context *ctx,
                   depth01 = tObj->Sampler.BorderColor.f[0];
                }
                else {
-                  img->FetchTexelf(img, i0, j1, slice, &depth01);
+                  swImg->FetchTexelf(swImg, i0, j1, slice, &depth01);
                }
                if (useBorderTexel & (I1BIT | J1BIT)) {
                   depth11 = tObj->Sampler.BorderColor.f[0];
                }
                else {
-                  img->FetchTexelf(img, i1, j1, slice, &depth11);
+                  swImg->FetchTexelf(swImg, i1, j1, slice, &depth11);
                }
             }
             else {
diff --git a/mesalib/src/mesa/swrast/s_texrender.c b/mesalib/src/mesa/swrast/s_texrender.c
index 52d03c92a..643952875 100644
--- a/mesalib/src/mesa/swrast/s_texrender.c
+++ b/mesalib/src/mesa/swrast/s_texrender.c
@@ -3,10 +3,11 @@
 #include "main/colormac.h"
 #include "main/fbobject.h"
 #include "main/macros.h"
-#include "main/texfetch.h"
 #include "main/teximage.h"
 #include "main/renderbuffer.h"
 #include "swrast/swrast.h"
+#include "swrast/s_context.h"
+#include "swrast/s_texfetch.h"
 
 
 /*
@@ -20,7 +21,7 @@
 struct texture_renderbuffer
 {
    struct gl_renderbuffer Base;   /**< Base class object */
-   struct gl_texture_image *TexImage;
+   struct swrast_texture_image *TexImage;
    StoreTexelFunc Store;
    FetchTexelFuncF Fetchf;
    GLint Yoffset;                 /**< Layer for 1D array textures. */
@@ -42,8 +43,8 @@ texture_get_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count
    const GLint z = trb->Zoffset;
    GLuint i;
 
-   ASSERT(trb->TexImage->Width == rb->Width);
-   ASSERT(trb->TexImage->Height == rb->Height);
+   ASSERT(trb->TexImage->Base.Width == rb->Width);
+   ASSERT(trb->TexImage->Base.Height == rb->Height);
 
    y += trb->Yoffset;
 
@@ -468,7 +469,7 @@ texture_put_mono_values(struct gl_context *ctx, struct gl_renderbuffer *rb,
 
 
 static void
-store_nop(struct gl_texture_image *texImage,
+store_nop(struct swrast_texture_image *texImage,
           GLint col, GLint row, GLint img,
           const void *texel)
 {
@@ -534,16 +535,20 @@ update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
    (void) ctx;
    ASSERT(trb);
 
-   trb->TexImage = _mesa_get_attachment_teximage(att);
+   trb->TexImage = swrast_texture_image(_mesa_get_attachment_teximage(att));
    ASSERT(trb->TexImage);
 
-   trb->Store = _mesa_get_texel_store_func(trb->TexImage->TexFormat);
+   trb->Store = _mesa_get_texel_store_func(trb->TexImage->Base.TexFormat);
    if (!trb->Store) {
       /* we'll never draw into some textures (compressed formats) */
       trb->Store = store_nop;
    }
 
+   if (!trb->TexImage->FetchTexelf) {
+      _mesa_update_fetch_functions(trb->TexImage->Base.TexObject);
+   }
    trb->Fetchf = trb->TexImage->FetchTexelf;
+   assert(trb->Fetchf);
 
    if (att->Texture->Target == GL_TEXTURE_1D_ARRAY_EXT) {
       trb->Yoffset = att->Zoffset;
@@ -554,13 +559,13 @@ update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
       trb->Zoffset = att->Zoffset;
    }
 
-   trb->Base.Width = trb->TexImage->Width;
-   trb->Base.Height = trb->TexImage->Height;
-   trb->Base.InternalFormat = trb->TexImage->InternalFormat;
-   trb->Base.Format = trb->TexImage->TexFormat;
+   trb->Base.Width = trb->TexImage->Base.Width;
+   trb->Base.Height = trb->TexImage->Base.Height;
+   trb->Base.InternalFormat = trb->TexImage->Base.InternalFormat;
+   trb->Base.Format = trb->TexImage->Base.TexFormat;
 
    /* XXX may need more special cases here */
-   switch (trb->TexImage->TexFormat) {
+   switch (trb->TexImage->Base.TexFormat) {
    case MESA_FORMAT_Z24_S8:
       trb->Base.DataType = GL_UNSIGNED_INT_24_8_EXT;
       trb->Base._BaseFormat = GL_DEPTH_STENCIL;
@@ -605,7 +610,7 @@ update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
       trb->Base.DataType = CHAN_TYPE;
       trb->Base._BaseFormat = GL_RGBA;
    }
-   trb->Base.Data = trb->TexImage->Data;
+   trb->Base.Data = trb->TexImage->Base.Data;
 }
 
 
diff --git a/mesalib/src/mesa/swrast/s_texture.c b/mesalib/src/mesa/swrast/s_texture.c
index 6cc72c582..7e3fc2806 100644
--- a/mesalib/src/mesa/swrast/s_texture.c
+++ b/mesalib/src/mesa/swrast/s_texture.c
@@ -28,9 +28,74 @@
 
 #include "main/context.h"
 #include "main/fbobject.h"
+#include "main/teximage.h"
 #include "swrast/swrast.h"
 #include "swrast/s_context.h"
 
+
+/**
+ * Allocate a new swrast_texture_image (a subclass of gl_texture_image).
+ * Called via ctx->Driver.NewTextureImage().
+ */
+struct gl_texture_image *
+_swrast_new_texture_image( struct gl_context *ctx )
+{
+   (void) ctx;
+   return (struct gl_texture_image *) CALLOC_STRUCT(swrast_texture_image);
+}
+
+
+/**
+ * Free a swrast_texture_image (a subclass of gl_texture_image).
+ * Called via ctx->Driver.DeleteTextureImage().
+ */
+void
+_swrast_delete_texture_image(struct gl_context *ctx,
+                             struct gl_texture_image *texImage)
+{
+   /* Nothing special for the subclass yet */
+   _mesa_delete_texture_image(ctx, texImage);
+}
+
+
+/**
+ * Called via ctx->Driver.AllocTextureImageBuffer()
+ */
+GLboolean
+_swrast_alloc_texture_image_buffer(struct gl_context *ctx,
+                                   struct gl_texture_image *texImage,
+                                   gl_format format, GLsizei width,
+                                   GLsizei height, GLsizei depth)
+{
+   GLuint bytes = _mesa_format_image_size(format, width, height, depth);
+
+   /* This _should_ be true (revisit if these ever fail) */
+   assert(texImage->Width == width);
+   assert(texImage->Height == height);
+   assert(texImage->Depth == depth);
+
+   assert(!texImage->Data);
+   texImage->Data = _mesa_align_malloc(bytes, 512);
+
+   return texImage->Data != NULL;
+}
+
+
+/**
+ * Called via ctx->Driver.FreeTextureImageBuffer()
+ */
+void
+_swrast_free_texture_image_buffer(struct gl_context *ctx,
+                                  struct gl_texture_image *texImage)
+{
+   if (texImage->Data && !texImage->IsClientData) {
+      _mesa_align_free(texImage->Data);
+   }
+
+   texImage->Data = NULL;
+}
+
+
 /**
  * Error checking for debugging only.
  */
diff --git a/mesalib/src/mesa/swrast/swrast.h b/mesalib/src/mesa/swrast/swrast.h
index c8b998635..390b42264 100644
--- a/mesalib/src/mesa/swrast/swrast.h
+++ b/mesalib/src/mesa/swrast/swrast.h
@@ -182,6 +182,23 @@ _swrast_render_start( struct gl_context *ctx );
 extern void
 _swrast_render_finish( struct gl_context *ctx );
 
+extern struct gl_texture_image *
+_swrast_new_texture_image( struct gl_context *ctx );
+
+extern void
+_swrast_delete_texture_image(struct gl_context *ctx,
+                             struct gl_texture_image *texImage);
+
+extern GLboolean
+_swrast_alloc_texture_image_buffer(struct gl_context *ctx,
+                                   struct gl_texture_image *texImage,
+                                   gl_format format, GLsizei width,
+                                   GLsizei height, GLsizei depth);
+
+extern void
+_swrast_free_texture_image_buffer(struct gl_context *ctx,
+                                  struct gl_texture_image *texImage);
+
 extern void
 _swrast_map_teximage(struct gl_context *ctx,
 		     struct gl_texture_image *texImage,