move _mesa_format_to_type_and_comps() to texformat.c
[mesa.git] / src / mesa / main / texformat.c
index 0000767f4ccc82997b74512b1bd93579c99799aa..88fbd8f07c2daa936080455d2fb8435b90dc7a33 100644 (file)
@@ -1,15 +1,8 @@
-/**
- * \file texformat.c
- * Texture formats.
- *
- * \author Gareth Hughes
- */
-
 /*
  * Mesa 3-D graphics library
- * Version:  5.1
+ * Version:  6.5.1
  *
- * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  */
 
 
-#include "glheader.h"
+/**
+ * \file texformat.c
+ * Texture formats.
+ *
+ * \author Gareth Hughes
+ */
+
+
 #include "colormac.h"
 #include "context.h"
-#include "image.h"
-#include "imports.h"
-#include "mtypes.h"
 #include "texformat.h"
-#include "teximage.h"
-#include "texstate.h"
+#include "texstore.h"
+
+
+#if FEATURE_EXT_texture_sRGB
+
+/**
+ * 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 / 12.92;
+         }
+         else {
+            table[i] = _mesa_pow((cs + 0.055) / 1.055, 2.4);
+         }
+      }
+      tableReady = GL_TRUE;
+   }
+   return table[cs8];
+}
+
+
+#endif /* FEATURE_EXT_texture_sRGB */
 
 
 /* Texel fetch routines for all supported formats
  * Have to have this so the FetchTexel function pointer is never NULL.
  */
 static void fetch_null_texel( const struct gl_texture_image *texImage,
-                             GLint i, GLint j, GLint k, GLvoid *texel )
+                             GLint i, GLint j, GLint k, GLchan *texel )
 {
-   GLchan *rgba = (GLchan *) texel;
-   rgba[RCOMP] = 0;
-   rgba[GCOMP] = 0;
-   rgba[BCOMP] = 0;
-   rgba[ACOMP] = 0;
+   (void) texImage; (void) i; (void) j; (void) k;
+   texel[RCOMP] = 0;
+   texel[GCOMP] = 0;
+   texel[BCOMP] = 0;
+   texel[ACOMP] = 0;
+   _mesa_warning(NULL, "fetch_null_texel() called!");
 }
 
+static void fetch_null_texelf( const struct gl_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 gl_texture_image *texImage,
+                             GLint i, GLint j, GLint k, const void *texel)
+{
+   (void) texImage;
+   (void) i;
+   (void) j;
+   (void) k;
+   (void) texel;
+   /* no-op */
+}
+
+
+/**
+ * Notes about the predefined gl_texture_formats:
+ *
+ * 1. There are 1D, 2D and 3D functions for fetching texels from texture
+ *    images, returning both GLchan values and GLfloat values.  (six
+ *    functions in total)
+ *    You don't have to provide both the GLchan and GLfloat functions;
+ *    just one or the other is OK.  Mesa will use an "adaptor" to convert
+ *    between GLchan/GLfloat when needed.
+ *    Since the adaptors have small performance penalty, we provide both
+ *    GLchan and GLfloat functions for some common formats like RGB, RGBA.
+ */
+
 
 /***************************************************************/
 /** \name Default GLchan-based formats */
@@ -75,6 +141,7 @@ static void fetch_null_texel( const struct gl_texture_image *texImage,
 const struct gl_texture_format _mesa_texformat_rgba = {
    MESA_FORMAT_RGBA,                   /* MesaFormat */
    GL_RGBA,                            /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    CHAN_BITS,                          /* RedBits */
    CHAN_BITS,                          /* GreenBits */
    CHAN_BITS,                          /* BlueBits */
@@ -83,15 +150,22 @@ const struct gl_texture_format _mesa_texformat_rgba = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
-   4 * CHAN_BITS / 8,                  /* TexelBytes */
-   fetch_1d_texel_rgba,                        /* FetchTexel1D */
-   fetch_2d_texel_rgba,                        /* FetchTexel2D */
-   fetch_3d_texel_rgba,                        /* FetchTexel3D */
+   0,                                  /* StencilBits */
+   4 * sizeof(GLchan),                 /* TexelBytes */
+   _mesa_texstore_rgba,                        /* StoreTexImageFunc */
+   fetch_texel_1d_rgba,                        /* FetchTexel1D */
+   fetch_texel_2d_rgba,                        /* FetchTexel2D */
+   fetch_texel_3d_rgba,                        /* FetchTexel3D */
+   fetch_texel_1d_f_rgba,              /* FetchTexel1Df */
+   fetch_texel_2d_f_rgba,              /* FetchTexel2Df */
+   fetch_texel_3d_f_rgba,              /* FetchTexel3Df */
+   store_texel_rgba                    /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_rgb = {
    MESA_FORMAT_RGB,                    /* MesaFormat */
    GL_RGB,                             /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    CHAN_BITS,                          /* RedBits */
    CHAN_BITS,                          /* GreenBits */
    CHAN_BITS,                          /* BlueBits */
@@ -100,15 +174,22 @@ const struct gl_texture_format _mesa_texformat_rgb = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
-   3 * CHAN_BITS / 8,                  /* TexelBytes */
-   fetch_1d_texel_rgb,                 /* FetchTexel1D */
-   fetch_2d_texel_rgb,                 /* FetchTexel2D */
-   fetch_3d_texel_rgb,                 /* FetchTexel3D */
+   0,                                  /* StencilBits */
+   3 * sizeof(GLchan),                 /* TexelBytes */
+   _mesa_texstore_rgba,/*yes*/         /* StoreTexImageFunc */
+   fetch_texel_1d_rgb,                 /* FetchTexel1D */
+   fetch_texel_2d_rgb,                 /* FetchTexel2D */
+   fetch_texel_3d_rgb,                 /* FetchTexel3D */
+   fetch_texel_1d_f_rgb,               /* FetchTexel1Df */
+   fetch_texel_2d_f_rgb,               /* FetchTexel2Df */
+   fetch_texel_3d_f_rgb,               /* FetchTexel3Df */
+   store_texel_rgb                     /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_alpha = {
    MESA_FORMAT_ALPHA,                  /* MesaFormat */
    GL_ALPHA,                           /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -117,15 +198,22 @@ const struct gl_texture_format _mesa_texformat_alpha = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
-   CHAN_BITS / 8,                      /* TexelBytes */
-   fetch_1d_texel_alpha,               /* FetchTexel1D */
-   fetch_2d_texel_alpha,               /* FetchTexel2D */
-   fetch_3d_texel_alpha,               /* FetchTexel3D */
+   0,                                  /* StencilBits */
+   sizeof(GLchan),                     /* TexelBytes */
+   _mesa_texstore_rgba,/*yes*/         /* StoreTexImageFunc */
+   fetch_texel_1d_alpha,               /* FetchTexel1D */
+   fetch_texel_2d_alpha,               /* FetchTexel2D */
+   fetch_texel_3d_alpha,               /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_alpha                   /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_luminance = {
    MESA_FORMAT_LUMINANCE,              /* MesaFormat */
    GL_LUMINANCE,                       /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -134,15 +222,22 @@ const struct gl_texture_format _mesa_texformat_luminance = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
-   CHAN_BITS / 8,                      /* TexelBytes */
-   fetch_1d_texel_luminance,           /* FetchTexel1D */
-   fetch_2d_texel_luminance,           /* FetchTexel2D */
-   fetch_3d_texel_luminance,           /* FetchTexel3D */
+   0,                                  /* StencilBits */
+   sizeof(GLchan),                     /* TexelBytes */
+   _mesa_texstore_rgba,/*yes*/         /* StoreTexImageFunc */
+   fetch_texel_1d_luminance,           /* FetchTexel1D */
+   fetch_texel_2d_luminance,           /* FetchTexel2D */
+   fetch_texel_3d_luminance,           /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_luminance               /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_luminance_alpha = {
    MESA_FORMAT_LUMINANCE_ALPHA,                /* MesaFormat */
    GL_LUMINANCE_ALPHA,                 /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -151,15 +246,22 @@ const struct gl_texture_format _mesa_texformat_luminance_alpha = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
-   2 * CHAN_BITS / 8,                  /* TexelBytes */
-   fetch_1d_texel_luminance_alpha,     /* FetchTexel1D */
-   fetch_2d_texel_luminance_alpha,     /* FetchTexel2D */
-   fetch_3d_texel_luminance_alpha,     /* FetchTexel3D */
+   0,                                  /* StencilBits */
+   2 * sizeof(GLchan),                 /* TexelBytes */
+   _mesa_texstore_rgba,/*yes*/         /* StoreTexImageFunc */
+   fetch_texel_1d_luminance_alpha,     /* FetchTexel1D */
+   fetch_texel_2d_luminance_alpha,     /* FetchTexel2D */
+   fetch_texel_3d_luminance_alpha,     /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_luminance_alpha         /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_intensity = {
    MESA_FORMAT_INTENSITY,              /* MesaFormat */
    GL_INTENSITY,                       /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -168,46 +270,408 @@ const struct gl_texture_format _mesa_texformat_intensity = {
    CHAN_BITS,                          /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
-   CHAN_BITS / 8,                      /* TexelBytes */
-   fetch_1d_texel_intensity,           /* FetchTexel1D */
-   fetch_2d_texel_intensity,           /* FetchTexel2D */
-   fetch_3d_texel_intensity,           /* FetchTexel3D */
+   0,                                  /* StencilBits */
+   sizeof(GLchan),                     /* TexelBytes */
+   _mesa_texstore_rgba,/*yes*/         /* StoreTexImageFunc */
+   fetch_texel_1d_intensity,           /* FetchTexel1D */
+   fetch_texel_2d_intensity,           /* FetchTexel2D */
+   fetch_texel_3d_intensity,           /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_intensity               /* StoreTexel */
 };
 
-const struct gl_texture_format _mesa_texformat_color_index = {
-   MESA_FORMAT_COLOR_INDEX,            /* MesaFormat */
-   GL_COLOR_INDEX,                     /* BaseFormat */
+
+#if FEATURE_EXT_texture_sRGB
+
+const struct gl_texture_format _mesa_texformat_srgb8 = {
+   MESA_FORMAT_SRGB8,                  /* MesaFormat */
+   GL_RGB,                             /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   8,                                  /* RedBits */
+   8,                                  /* GreenBits */
+   8,                                  /* BlueBits */
+   0,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   3,                                  /* TexelBytes */
+   _mesa_texstore_srgb8,               /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_srgb8,               /* FetchTexel1Df */
+   fetch_texel_2d_srgb8,               /* FetchTexel2Df */
+   fetch_texel_3d_srgb8,               /* FetchTexel3Df */
+   store_texel_srgb8                   /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_srgba8 = {
+   MESA_FORMAT_SRGBA8,                 /* MesaFormat */
+   GL_RGBA,                            /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   8,                                  /* RedBits */
+   8,                                  /* GreenBits */
+   8,                                  /* BlueBits */
+   8,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   4,                                  /* TexelBytes */
+   _mesa_texstore_srgba8,              /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_srgba8,              /* FetchTexel1Df */
+   fetch_texel_2d_srgba8,              /* FetchTexel2Df */
+   fetch_texel_3d_srgba8,              /* FetchTexel3Df */
+   store_texel_srgba8                  /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_sl8 = {
+   MESA_FORMAT_SL8,                    /* MesaFormat */
+   GL_LUMINANCE,                       /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
    0,                                  /* AlphaBits */
-   0,                                  /* LuminanceBits */
+   8,                                  /* LuminanceBits */
    0,                                  /* IntensityBits */
-   CHAN_BITS,                          /* IndexBits */
+   0,                                  /* IndexBits */
    0,                                  /* DepthBits */
-   CHAN_BITS / 8,                      /* TexelBytes */
-   fetch_1d_texel_color_index,         /* FetchTexel1D */
-   fetch_2d_texel_color_index,         /* FetchTexel2D */
-   fetch_3d_texel_color_index,         /* FetchTexel3D */
+   0,                                  /* StencilBits */
+   1,                                  /* TexelBytes */
+   _mesa_texstore_sl8,                 /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_sl8,                 /* FetchTexel1Df */
+   fetch_texel_2d_sl8,                 /* FetchTexel2Df */
+   fetch_texel_3d_sl8,                 /* FetchTexel3Df */
+   store_texel_sl8                     /* StoreTexel */
 };
 
-const struct gl_texture_format _mesa_texformat_depth_component = {
-   MESA_FORMAT_DEPTH_COMPONENT,                /* MesaFormat */
-   GL_DEPTH_COMPONENT,                 /* BaseFormat */
+const struct gl_texture_format _mesa_texformat_sla8 = {
+   MESA_FORMAT_SLA8,                   /* MesaFormat */
+   GL_LUMINANCE_ALPHA,                 /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
+   8,                                  /* AlphaBits */
+   8,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   2,                                  /* TexelBytes */
+   _mesa_texstore_sla8,                        /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_sla8,                        /* FetchTexel1Df */
+   fetch_texel_2d_sla8,                        /* FetchTexel2Df */
+   fetch_texel_3d_sla8,                        /* FetchTexel3Df */
+   store_texel_sla8                    /* StoreTexel */
+};
+
+#endif /* FEATURE_EXT_texture_sRGB */
+
+const struct gl_texture_format _mesa_texformat_rgba_float32 = {
+   MESA_FORMAT_RGBA_FLOAT32,           /* MesaFormat */
+   GL_RGBA,                            /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   8 * sizeof(GLfloat),                        /* RedBits */
+   8 * sizeof(GLfloat),                        /* GreenBits */
+   8 * sizeof(GLfloat),                        /* BlueBits */
+   8 * sizeof(GLfloat),                        /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   4 * sizeof(GLfloat),                        /* TexelBytes */
+   _mesa_texstore_rgba_float32,                /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   fetch_texel_1d_f_rgba_f32,          /* FetchTexel1Df */
+   fetch_texel_2d_f_rgba_f32,          /* FetchTexel2Df */
+   fetch_texel_3d_f_rgba_f32,          /* FetchTexel3Df */
+   store_texel_rgba_f32                        /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_rgba_float16 = {
+   MESA_FORMAT_RGBA_FLOAT16,           /* MesaFormat */
+   GL_RGBA,                            /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   8 * sizeof(GLhalfARB),              /* RedBits */
+   8 * sizeof(GLhalfARB),              /* GreenBits */
+   8 * sizeof(GLhalfARB),              /* BlueBits */
+   8 * sizeof(GLhalfARB),              /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   4 * sizeof(GLhalfARB),              /* TexelBytes */
+   _mesa_texstore_rgba_float16,                /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   fetch_texel_1d_f_rgba_f16,          /* FetchTexel1Df */
+   fetch_texel_2d_f_rgba_f16,          /* FetchTexel2Df */
+   fetch_texel_3d_f_rgba_f16,          /* FetchTexel3Df */
+   store_texel_rgba_f16                        /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_rgb_float32 = {
+   MESA_FORMAT_RGB_FLOAT32,            /* MesaFormat */
+   GL_RGB,                             /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   8 * sizeof(GLfloat),                        /* RedBits */
+   8 * sizeof(GLfloat),                        /* GreenBits */
+   8 * sizeof(GLfloat),                        /* BlueBits */
    0,                                  /* AlphaBits */
    0,                                  /* LuminanceBits */
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
-   sizeof(GLfloat) * 8,                        /* DepthBits */
-   sizeof(GLfloat),                    /* TexelBytes */
-   fetch_1d_texel_depth_component,     /* FetchTexel1D */
-   fetch_2d_texel_depth_component,     /* FetchTexel2D */
-   fetch_3d_texel_depth_component,     /* FetchTexel3D */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   3 * sizeof(GLfloat),                        /* TexelBytes */
+   _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   fetch_texel_1d_f_rgb_f32,           /* FetchTexel1Df */
+   fetch_texel_2d_f_rgb_f32,           /* FetchTexel2Df */
+   fetch_texel_3d_f_rgb_f32,           /* FetchTexel3Df */
+   store_texel_rgb_f32                 /* StoreTexel */
 };
 
+const struct gl_texture_format _mesa_texformat_rgb_float16 = {
+   MESA_FORMAT_RGB_FLOAT16,            /* MesaFormat */
+   GL_RGB,                             /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   8 * sizeof(GLhalfARB),              /* RedBits */
+   8 * sizeof(GLhalfARB),              /* GreenBits */
+   8 * sizeof(GLhalfARB),              /* BlueBits */
+   0,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   3 * sizeof(GLhalfARB),              /* TexelBytes */
+   _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   fetch_texel_1d_f_rgb_f16,           /* FetchTexel1Df */
+   fetch_texel_2d_f_rgb_f16,           /* FetchTexel2Df */
+   fetch_texel_3d_f_rgb_f16,           /* FetchTexel3Df */
+   store_texel_rgb_f16                 /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_alpha_float32 = {
+   MESA_FORMAT_ALPHA_FLOAT32,          /* MesaFormat */
+   GL_ALPHA,                           /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
+   8 * sizeof(GLfloat),                        /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   1 * sizeof(GLfloat),                        /* TexelBytes */
+   _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   fetch_texel_1d_f_alpha_f32,         /* FetchTexel1Df */
+   fetch_texel_2d_f_alpha_f32,         /* FetchTexel2Df */
+   fetch_texel_3d_f_alpha_f32,         /* FetchTexel3Df */
+   store_texel_alpha_f32               /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_alpha_float16 = {
+   MESA_FORMAT_ALPHA_FLOAT16,          /* MesaFormat */
+   GL_ALPHA,                           /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
+   8 * sizeof(GLhalfARB),              /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   1 * sizeof(GLhalfARB),              /* TexelBytes */
+   _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   fetch_texel_1d_f_alpha_f16,         /* FetchTexel1Df */
+   fetch_texel_2d_f_alpha_f16,         /* FetchTexel2Df */
+   fetch_texel_3d_f_alpha_f16,         /* FetchTexel3Df */
+   store_texel_alpha_f16               /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_luminance_float32 = {
+   MESA_FORMAT_LUMINANCE_FLOAT32,      /* MesaFormat */
+   GL_LUMINANCE,                       /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
+   0,                                  /* AlphaBits */
+   8 * sizeof(GLfloat),                        /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   1 * sizeof(GLfloat),                        /* TexelBytes */
+   _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_f_luminance_f32,     /* FetchTexel1Df */
+   fetch_texel_2d_f_luminance_f32,     /* FetchTexel2Df */
+   fetch_texel_3d_f_luminance_f32,     /* FetchTexel3Df */
+   store_texel_luminance_f32           /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_luminance_float16 = {
+   MESA_FORMAT_LUMINANCE_FLOAT16,      /* MesaFormat */
+   GL_LUMINANCE,                       /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
+   0,                                  /* AlphaBits */
+   8 * sizeof(GLhalfARB),              /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   1 * sizeof(GLhalfARB),              /* TexelBytes */
+   _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_f_luminance_f16,     /* FetchTexel1Df */
+   fetch_texel_2d_f_luminance_f16,     /* FetchTexel2Df */
+   fetch_texel_3d_f_luminance_f16,     /* FetchTexel3Df */
+   store_texel_luminance_f16           /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_luminance_alpha_float32 = {
+   MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,        /* MesaFormat */
+   GL_LUMINANCE_ALPHA,                 /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
+   8 * sizeof(GLfloat),                        /* AlphaBits */
+   8 * sizeof(GLfloat),                        /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   2 * sizeof(GLfloat),                        /* TexelBytes */
+   _mesa_texstore_rgba_float32,                /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_f_luminance_alpha_f32,/* FetchTexel1Df */
+   fetch_texel_2d_f_luminance_alpha_f32,/* FetchTexel2Df */
+   fetch_texel_3d_f_luminance_alpha_f32,/* FetchTexel3Df */
+   store_texel_luminance_alpha_f32     /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_luminance_alpha_float16 = {
+   MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,        /* MesaFormat */
+   GL_LUMINANCE_ALPHA,                 /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
+   8 * sizeof(GLhalfARB),              /* AlphaBits */
+   8 * sizeof(GLhalfARB),              /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   2 * sizeof(GLhalfARB),              /* TexelBytes */
+   _mesa_texstore_rgba_float16,                /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_f_luminance_alpha_f16,/* FetchTexel1Df */
+   fetch_texel_2d_f_luminance_alpha_f16,/* FetchTexel2Df */
+   fetch_texel_3d_f_luminance_alpha_f16,/* FetchTexel3Df */
+   store_texel_luminance_alpha_f16     /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_intensity_float32 = {
+   MESA_FORMAT_INTENSITY_FLOAT32,      /* MesaFormat */
+   GL_INTENSITY,                       /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
+   0,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   8 * sizeof(GLfloat),                        /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   1 * sizeof(GLfloat),                        /* TexelBytes */
+   _mesa_texstore_rgba_float32,/*yes*/ /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_f_intensity_f32,     /* FetchTexel1Df */
+   fetch_texel_2d_f_intensity_f32,     /* FetchTexel2Df */
+   fetch_texel_3d_f_intensity_f32,     /* FetchTexel3Df */
+   store_texel_intensity_f32           /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_intensity_float16 = {
+   MESA_FORMAT_INTENSITY_FLOAT16,      /* MesaFormat */
+   GL_INTENSITY,                       /* BaseFormat */
+   GL_FLOAT,                           /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
+   0,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   8 * sizeof(GLhalfARB),              /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   1 * sizeof(GLhalfARB),              /* TexelBytes */
+   _mesa_texstore_rgba_float16,/*yes*/ /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_f_intensity_f16,     /* FetchTexel1Df */
+   fetch_texel_2d_f_intensity_f16,     /* FetchTexel2Df */
+   fetch_texel_3d_f_intensity_f16,     /* FetchTexel3Df */
+   store_texel_intensity_f16           /* StoreTexel */
+};
+
+
 /*@}*/
 
 
@@ -218,6 +682,31 @@ const struct gl_texture_format _mesa_texformat_depth_component = {
 const struct gl_texture_format _mesa_texformat_rgba8888 = {
    MESA_FORMAT_RGBA8888,               /* MesaFormat */
    GL_RGBA,                            /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   8,                                  /* RedBits */
+   8,                                  /* GreenBits */
+   8,                                  /* BlueBits */
+   8,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   4,                                  /* TexelBytes */
+   _mesa_texstore_rgba8888,            /* StoreTexImageFunc */
+   fetch_texel_1d_rgba8888,            /* FetchTexel1D */
+   fetch_texel_2d_rgba8888,            /* FetchTexel2D */
+   fetch_texel_3d_rgba8888,            /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_rgba8888                        /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_rgba8888_rev = {
+   MESA_FORMAT_RGBA8888_REV,           /* MesaFormat */
+   GL_RGBA,                            /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    8,                                  /* RedBits */
    8,                                  /* GreenBits */
    8,                                  /* BlueBits */
@@ -226,15 +715,22 @@ const struct gl_texture_format _mesa_texformat_rgba8888 = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    4,                                  /* TexelBytes */
-   fetch_1d_texel_rgba8888,            /* FetchTexel1D */
-   fetch_2d_texel_rgba8888,            /* FetchTexel2D */
-   fetch_3d_texel_rgba8888,            /* FetchTexel3D */
+   _mesa_texstore_rgba8888,            /* StoreTexImageFunc */
+   fetch_texel_1d_rgba8888_rev,                /* FetchTexel1D */
+   fetch_texel_2d_rgba8888_rev,                /* FetchTexel2D */
+   fetch_texel_3d_rgba8888_rev,                /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_rgba8888_rev            /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_argb8888 = {
    MESA_FORMAT_ARGB8888,               /* MesaFormat */
    GL_RGBA,                            /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    8,                                  /* RedBits */
    8,                                  /* GreenBits */
    8,                                  /* BlueBits */
@@ -243,15 +739,70 @@ const struct gl_texture_format _mesa_texformat_argb8888 = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    4,                                  /* TexelBytes */
-   fetch_1d_texel_argb8888,            /* FetchTexel1D */
-   fetch_2d_texel_argb8888,            /* FetchTexel2D */
-   fetch_3d_texel_argb8888,            /* FetchTexel3D */
+   _mesa_texstore_argb8888,            /* StoreTexImageFunc */
+   fetch_texel_1d_argb8888,            /* FetchTexel1D */
+   fetch_texel_2d_argb8888,            /* FetchTexel2D */
+   fetch_texel_3d_argb8888,            /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_argb8888                        /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_argb8888_rev = {
+   MESA_FORMAT_ARGB8888_REV,           /* MesaFormat */
+   GL_RGBA,                            /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   8,                                  /* RedBits */
+   8,                                  /* GreenBits */
+   8,                                  /* BlueBits */
+   8,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   4,                                  /* TexelBytes */
+   _mesa_texstore_argb8888,            /* StoreTexImageFunc */
+   fetch_texel_1d_argb8888_rev,                /* FetchTexel1D */
+   fetch_texel_2d_argb8888_rev,                /* FetchTexel2D */
+   fetch_texel_3d_argb8888_rev,                /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_argb8888_rev            /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_rgb888 = {
    MESA_FORMAT_RGB888,                 /* MesaFormat */
    GL_RGB,                             /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   8,                                  /* RedBits */
+   8,                                  /* GreenBits */
+   8,                                  /* BlueBits */
+   0,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   3,                                  /* TexelBytes */
+   _mesa_texstore_rgb888,              /* StoreTexImageFunc */
+   fetch_texel_1d_rgb888,              /* FetchTexel1D */
+   fetch_texel_2d_rgb888,              /* FetchTexel2D */
+   fetch_texel_3d_rgb888,              /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_rgb888                  /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_bgr888 = {
+   MESA_FORMAT_BGR888,                 /* MesaFormat */
+   GL_RGB,                             /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    8,                                  /* RedBits */
    8,                                  /* GreenBits */
    8,                                  /* BlueBits */
@@ -260,15 +811,46 @@ const struct gl_texture_format _mesa_texformat_rgb888 = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    3,                                  /* TexelBytes */
-   fetch_1d_texel_rgb888,              /* FetchTexel1D */
-   fetch_2d_texel_rgb888,              /* FetchTexel2D */
-   fetch_3d_texel_rgb888,              /* FetchTexel3D */
+   _mesa_texstore_bgr888,              /* StoreTexImageFunc */
+   fetch_texel_1d_bgr888,              /* FetchTexel1D */
+   fetch_texel_2d_bgr888,              /* FetchTexel2D */
+   fetch_texel_3d_bgr888,              /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_bgr888                  /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_rgb565 = {
    MESA_FORMAT_RGB565,                 /* MesaFormat */
    GL_RGB,                             /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   5,                                  /* RedBits */
+   6,                                  /* GreenBits */
+   5,                                  /* BlueBits */
+   0,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   2,                                  /* TexelBytes */
+   _mesa_texstore_rgb565,              /* StoreTexImageFunc */
+   fetch_texel_1d_rgb565,              /* FetchTexel1D */
+   fetch_texel_2d_rgb565,              /* FetchTexel2D */
+   fetch_texel_3d_rgb565,              /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_rgb565                  /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_rgb565_rev = {
+   MESA_FORMAT_RGB565_REV,             /* MesaFormat */
+   GL_RGB,                             /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    5,                                  /* RedBits */
    6,                                  /* GreenBits */
    5,                                  /* BlueBits */
@@ -277,15 +859,46 @@ const struct gl_texture_format _mesa_texformat_rgb565 = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    2,                                  /* TexelBytes */
-   fetch_1d_texel_rgb565,              /* FetchTexel1D */
-   fetch_2d_texel_rgb565,              /* FetchTexel2D */
-   fetch_3d_texel_rgb565,              /* FetchTexel3D */
+   _mesa_texstore_rgb565,              /* StoreTexImageFunc */
+   fetch_texel_1d_rgb565_rev,          /* FetchTexel1D */
+   fetch_texel_2d_rgb565_rev,          /* FetchTexel2D */
+   fetch_texel_3d_rgb565_rev,          /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_rgb565_rev              /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_argb4444 = {
    MESA_FORMAT_ARGB4444,               /* MesaFormat */
    GL_RGBA,                            /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   4,                                  /* RedBits */
+   4,                                  /* GreenBits */
+   4,                                  /* BlueBits */
+   4,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   2,                                  /* TexelBytes */
+   _mesa_texstore_argb4444,            /* StoreTexImageFunc */
+   fetch_texel_1d_argb4444,            /* FetchTexel1D */
+   fetch_texel_2d_argb4444,            /* FetchTexel2D */
+   fetch_texel_3d_argb4444,            /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_argb4444                        /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_argb4444_rev = {
+   MESA_FORMAT_ARGB4444_REV,           /* MesaFormat */
+   GL_RGBA,                            /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    4,                                  /* RedBits */
    4,                                  /* GreenBits */
    4,                                  /* BlueBits */
@@ -294,15 +907,22 @@ const struct gl_texture_format _mesa_texformat_argb4444 = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    2,                                  /* TexelBytes */
-   fetch_1d_texel_argb4444,            /* FetchTexel1D */
-   fetch_2d_texel_argb4444,            /* FetchTexel2D */
-   fetch_3d_texel_argb4444,            /* FetchTexel3D */
+   _mesa_texstore_argb4444,            /* StoreTexImageFunc */
+   fetch_texel_1d_argb4444_rev,                /* FetchTexel1D */
+   fetch_texel_2d_argb4444_rev,                /* FetchTexel2D */
+   fetch_texel_3d_argb4444_rev,                /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_argb4444_rev            /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_argb1555 = {
    MESA_FORMAT_ARGB1555,               /* MesaFormat */
    GL_RGBA,                            /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    5,                                  /* RedBits */
    5,                                  /* GreenBits */
    5,                                  /* BlueBits */
@@ -311,15 +931,46 @@ const struct gl_texture_format _mesa_texformat_argb1555 = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    2,                                  /* TexelBytes */
-   fetch_1d_texel_argb1555,            /* FetchTexel1D */
-   fetch_2d_texel_argb1555,            /* FetchTexel2D */
-   fetch_3d_texel_argb1555,            /* FetchTexel3D */
+   _mesa_texstore_argb1555,            /* StoreTexImageFunc */
+   fetch_texel_1d_argb1555,            /* FetchTexel1D */
+   fetch_texel_2d_argb1555,            /* FetchTexel2D */
+   fetch_texel_3d_argb1555,            /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_argb1555                        /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_argb1555_rev = {
+   MESA_FORMAT_ARGB1555_REV,           /* MesaFormat */
+   GL_RGBA,                            /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   5,                                  /* RedBits */
+   5,                                  /* GreenBits */
+   5,                                  /* BlueBits */
+   1,                                  /* AlphaBits */
+   0,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   2,                                  /* TexelBytes */
+   _mesa_texstore_argb1555,            /* StoreTexImageFunc */
+   fetch_texel_1d_argb1555_rev,                /* FetchTexel1D */
+   fetch_texel_2d_argb1555_rev,                /* FetchTexel2D */
+   fetch_texel_3d_argb1555_rev,                /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_argb1555_rev            /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_al88 = {
    MESA_FORMAT_AL88,                   /* MesaFormat */
    GL_LUMINANCE_ALPHA,                 /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -328,15 +979,46 @@ const struct gl_texture_format _mesa_texformat_al88 = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    2,                                  /* TexelBytes */
-   fetch_1d_texel_al88,                        /* FetchTexel1D */
-   fetch_2d_texel_al88,                        /* FetchTexel2D */
-   fetch_3d_texel_al88,                        /* FetchTexel3D */
+   _mesa_texstore_al88,                        /* StoreTexImageFunc */
+   fetch_texel_1d_al88,                        /* FetchTexel1D */
+   fetch_texel_2d_al88,                        /* FetchTexel2D */
+   fetch_texel_3d_al88,                        /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_al88                    /* StoreTexel */
+};
+
+const struct gl_texture_format _mesa_texformat_al88_rev = {
+   MESA_FORMAT_AL88_REV,               /* MesaFormat */
+   GL_LUMINANCE_ALPHA,                 /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
+   8,                                  /* AlphaBits */
+   8,                                  /* LuminanceBits */
+   0,                                  /* IntensityBits */
+   0,                                  /* IndexBits */
+   0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
+   2,                                  /* TexelBytes */
+   _mesa_texstore_al88,                        /* StoreTexImageFunc */
+   fetch_texel_1d_al88_rev,            /* FetchTexel1D */
+   fetch_texel_2d_al88_rev,            /* FetchTexel2D */
+   fetch_texel_3d_al88_rev,            /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_al88_rev                        /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_rgb332 = {
    MESA_FORMAT_RGB332,                 /* MesaFormat */
    GL_RGB,                             /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    3,                                  /* RedBits */
    3,                                  /* GreenBits */
    2,                                  /* BlueBits */
@@ -345,15 +1027,22 @@ const struct gl_texture_format _mesa_texformat_rgb332 = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    1,                                  /* TexelBytes */
-   fetch_1d_texel_rgb332,              /* FetchTexel1D */
-   fetch_2d_texel_rgb332,              /* FetchTexel2D */
-   fetch_3d_texel_rgb332,              /* FetchTexel3D */
+   _mesa_texstore_rgb332,              /* StoreTexImageFunc */
+   fetch_texel_1d_rgb332,              /* FetchTexel1D */
+   fetch_texel_2d_rgb332,              /* FetchTexel2D */
+   fetch_texel_3d_rgb332,              /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_rgb332                  /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_a8 = {
    MESA_FORMAT_A8,                     /* MesaFormat */
    GL_ALPHA,                           /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -362,15 +1051,22 @@ const struct gl_texture_format _mesa_texformat_a8 = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    1,                                  /* TexelBytes */
-   fetch_1d_texel_a8,                  /* FetchTexel1D */
-   fetch_2d_texel_a8,                  /* FetchTexel2D */
-   fetch_3d_texel_a8,                  /* FetchTexel3D */
+   _mesa_texstore_a8,                  /* StoreTexImageFunc */
+   fetch_texel_1d_a8,                  /* FetchTexel1D */
+   fetch_texel_2d_a8,                  /* FetchTexel2D */
+   fetch_texel_3d_a8,                  /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_a8                      /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_l8 = {
    MESA_FORMAT_L8,                     /* MesaFormat */
    GL_LUMINANCE,                       /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -379,15 +1075,22 @@ const struct gl_texture_format _mesa_texformat_l8 = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    1,                                  /* TexelBytes */
-   fetch_1d_texel_l8,                  /* FetchTexel1D */
-   fetch_2d_texel_l8,                  /* FetchTexel2D */
-   fetch_3d_texel_l8,                  /* FetchTexel3D */
+   _mesa_texstore_a8,/*yes*/           /* StoreTexImageFunc */
+   fetch_texel_1d_l8,                  /* FetchTexel1D */
+   fetch_texel_2d_l8,                  /* FetchTexel2D */
+   fetch_texel_3d_l8,                  /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_l8                      /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_i8 = {
    MESA_FORMAT_I8,                     /* MesaFormat */
    GL_INTENSITY,                       /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -396,15 +1099,22 @@ const struct gl_texture_format _mesa_texformat_i8 = {
    8,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    1,                                  /* TexelBytes */
-   fetch_1d_texel_i8,                  /* FetchTexel1D */
-   fetch_2d_texel_i8,                  /* FetchTexel2D */
-   fetch_3d_texel_i8,                  /* FetchTexel3D */
+   _mesa_texstore_a8,/*yes*/           /* StoreTexImageFunc */
+   fetch_texel_1d_i8,                  /* FetchTexel1D */
+   fetch_texel_2d_i8,                  /* FetchTexel2D */
+   fetch_texel_3d_i8,                  /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_i8                      /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_ci8 = {
    MESA_FORMAT_CI8,                    /* MesaFormat */
    GL_COLOR_INDEX,                     /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -413,15 +1123,22 @@ const struct gl_texture_format _mesa_texformat_ci8 = {
    0,                                  /* IntensityBits */
    8,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    1,                                  /* TexelBytes */
-   fetch_1d_texel_ci8,                 /* FetchTexel1D */
-   fetch_2d_texel_ci8,                 /* FetchTexel2D */
-   fetch_3d_texel_ci8,                 /* FetchTexel3D */
+   _mesa_texstore_ci8,                 /* StoreTexImageFunc */
+   fetch_texel_1d_ci8,                 /* FetchTexel1D */
+   fetch_texel_2d_ci8,                 /* FetchTexel2D */
+   fetch_texel_3d_ci8,                 /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_ci8                     /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_ycbcr = {
    MESA_FORMAT_YCBCR,                  /* MesaFormat */
    GL_YCBCR_MESA,                      /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -430,15 +1147,22 @@ const struct gl_texture_format _mesa_texformat_ycbcr = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    2,                                  /* TexelBytes */
-   fetch_1d_texel_ycbcr,               /* FetchTexel1D */
-   fetch_2d_texel_ycbcr,               /* FetchTexel2D */
-   fetch_3d_texel_ycbcr,               /* FetchTexel3D */
+   _mesa_texstore_ycbcr,               /* StoreTexImageFunc */
+   fetch_texel_1d_ycbcr,               /* FetchTexel1D */
+   fetch_texel_2d_ycbcr,               /* FetchTexel2D */
+   fetch_texel_3d_ycbcr,               /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_ycbcr                   /* StoreTexel */
 };
 
 const struct gl_texture_format _mesa_texformat_ycbcr_rev = {
    MESA_FORMAT_YCBCR_REV,              /* MesaFormat */
    GL_YCBCR_MESA,                      /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -447,261 +1171,89 @@ const struct gl_texture_format _mesa_texformat_ycbcr_rev = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    2,                                  /* TexelBytes */
-   fetch_1d_texel_ycbcr_rev,           /* FetchTexel1D */
-   fetch_2d_texel_ycbcr_rev,           /* FetchTexel2D */
-   fetch_3d_texel_ycbcr_rev,           /* FetchTexel3D */
+   _mesa_texstore_ycbcr,               /* StoreTexImageFunc */
+   fetch_texel_1d_ycbcr_rev,           /* FetchTexel1D */
+   fetch_texel_2d_ycbcr_rev,           /* FetchTexel2D */
+   fetch_texel_3d_ycbcr_rev,           /* FetchTexel3D */
+   NULL,                               /* FetchTexel1Df */
+   NULL,                               /* FetchTexel2Df */
+   NULL,                               /* FetchTexel3Df */
+   store_texel_ycbcr_rev               /* StoreTexel */
 };
 
-const struct gl_texture_format _mesa_texformat_rgb_fxt1 = {
-   MESA_FORMAT_RGB_FXT1,               /* MesaFormat */
-   GL_RGB,                             /* BaseFormat */
-   4, /*approx*/                       /* RedBits */
-   4, /*approx*/                       /* GreenBits */
-   4, /*approx*/                       /* BlueBits */
-   0,                                  /* AlphaBits */
-   0,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   0,                                  /* TexelBytes */
-   NULL, /*impossible*/                /* FetchTexel1D */
-   fetch_2d_texel_rgb_fxt1,            /* FetchTexel2D */
-   NULL, /*impossible*/                /* FetchTexel3D */
-};
-
-const struct gl_texture_format _mesa_texformat_rgba_fxt1 = {
-   MESA_FORMAT_RGBA_FXT1,              /* MesaFormat */
-   GL_RGBA,                            /* BaseFormat */
-   4, /*approx*/                       /* RedBits */
-   4, /*approx*/                       /* GreenBits */
-   4, /*approx*/                       /* BlueBits */
-   1, /*approx*/                       /* AlphaBits */
-   0,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   0,                                  /* TexelBytes */
-   NULL, /*impossible*/                /* FetchTexel1D */
-   fetch_2d_texel_rgba_fxt1,           /* FetchTexel2D */
-   NULL, /*impossible*/                /* FetchTexel3D */
-};
-
-const struct gl_texture_format _mesa_texformat_rgb_dxt1 = {
-   MESA_FORMAT_RGB_DXT1,               /* MesaFormat */
-   GL_RGB,                             /* BaseFormat */
-   4, /*approx*/                       /* RedBits */
-   4, /*approx*/                       /* GreenBits */
-   4, /*approx*/                       /* BlueBits */
+const struct gl_texture_format _mesa_texformat_z24_s8 = {
+   MESA_FORMAT_Z24_S8,                 /* MesaFormat */
+   GL_DEPTH_STENCIL_EXT,               /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
    0,                                  /* AlphaBits */
    0,                                  /* LuminanceBits */
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   0,                                  /* TexelBytes */
-   NULL, /*impossible*/                /* FetchTexel1D */
-   fetch_2d_texel_rgb_dxt1,            /* FetchTexel2D */
-   NULL, /*impossible*/                /* FetchTexel3D */
-};
-
-const struct gl_texture_format _mesa_texformat_rgba_dxt1 = {
-   MESA_FORMAT_RGBA_DXT1,              /* MesaFormat */
-   GL_RGBA,                            /* BaseFormat */
-   4, /*approx*/                       /* RedBits */
-   4, /*approx*/                       /* GreenBits */
-   4, /*approx*/                       /* BlueBits */
-   1, /*approx*/                       /* AlphaBits */
-   0,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   0,                                  /* TexelBytes */
-   NULL, /*impossible*/                /* FetchTexel1D */
-   fetch_2d_texel_rgba_dxt1,           /* FetchTexel2D */
-   NULL, /*impossible*/                /* FetchTexel3D */
-};
-
-const struct gl_texture_format _mesa_texformat_rgba_dxt3 = {
-   MESA_FORMAT_RGBA_DXT3,              /* MesaFormat */
-   GL_RGBA,                            /* BaseFormat */
-   4, /*approx*/                       /* RedBits */
-   4, /*approx*/                       /* GreenBits */
-   4, /*approx*/                       /* BlueBits */
-   4, /*approx*/                       /* AlphaBits */
-   0,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   0,                                  /* TexelBytes */
-   NULL, /*impossible*/                /* FetchTexel1D */
-   fetch_2d_texel_rgba_dxt3,           /* FetchTexel2D */
-   NULL, /*impossible*/                /* FetchTexel3D */
-};
-
-const struct gl_texture_format _mesa_texformat_rgba_dxt5 = {
-   MESA_FORMAT_RGBA_DXT5,              /* MesaFormat */
-   GL_RGBA,                            /* BaseFormat */
-   4,/*approx*/                                /* RedBits */
-   4,/*approx*/                                /* GreenBits */
-   4,/*approx*/                                /* BlueBits */
-   4,/*approx*/                                /* AlphaBits */
-   0,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   0,                                  /* TexelBytes */
-   NULL, /*impossible*/                /* FetchTexel1D */
-   fetch_2d_texel_rgba_dxt5,           /* FetchTexel2D */
-   NULL, /*impossible*/                /* FetchTexel3D */
-};
-
-
-/* Big-endian */
-#if 0
-const struct gl_texture_format _mesa_texformat_abgr8888 = {
-   MESA_FORMAT_ABGR8888,               /* MesaFormat */
-   GL_RGBA,                            /* BaseFormat */
-   GL_UNSIGNED_INT_8_8_8_8,            /* Type */
-   8,                                  /* RedBits */
-   8,                                  /* GreenBits */
-   8,                                  /* BlueBits */
-   8,                                  /* AlphaBits */
-   0,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   4,                                  /* TexelBytes */
-   fetch_1d_texel_abgr8888,            /* FetchTexel1D */
-   fetch_2d_texel_abgr8888,            /* FetchTexel2D */
-   fetch_3d_texel_abgr8888,            /* FetchTexel3D */
-};
-
-const struct gl_texture_format _mesa_texformat_bgra8888 = {
-   MESA_FORMAT_BGRA8888,               /* MesaFormat */
-   GL_RGBA,                            /* BaseFormat */
-   GL_UNSIGNED_INT_8_8_8_8,            /* Type */
-   8,                                  /* RedBits */
-   8,                                  /* GreenBits */
-   8,                                  /* BlueBits */
-   8,                                  /* AlphaBits */
-   0,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
+   24,                                 /* DepthBits */
+   8,                                  /* StencilBits */
    4,                                  /* TexelBytes */
-   fetch_1d_texel_bgra8888,            /* FetchTexel1D */
-   fetch_2d_texel_bgra8888,            /* FetchTexel2D */
-   fetch_3d_texel_bgra8888,            /* FetchTexel3D */
-};
-
-const struct gl_texture_format _mesa_texformat_bgr888 = {
-   MESA_FORMAT_BGR888,                 /* MesaFormat */
-   GL_RGB,                             /* BaseFormat */
-   GL_UNSIGNED_BYTE,                   /* Type */
-   8,                                  /* RedBits */
-   8,                                  /* GreenBits */
-   8,                                  /* BlueBits */
-   0,                                  /* AlphaBits */
-   0,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   3,                                  /* TexelBytes */
-   fetch_1d_texel_bgr888,              /* FetchTexel1D */
-   fetch_2d_texel_bgr888,              /* FetchTexel2D */
-   fetch_3d_texel_bgr888,              /* FetchTexel3D */
+   _mesa_texstore_z24_s8,              /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel2D */
+   NULL,                               /* FetchTexel3D */
+   fetch_texel_1d_f_z24_s8,            /* FetchTexel1Df */
+   fetch_texel_2d_f_z24_s8,            /* FetchTexel2Df */
+   fetch_texel_3d_f_z24_s8,            /* FetchTexel3Df */
+   store_texel_z24_s8                  /* StoreTexel */
 };
 
-const struct gl_texture_format _mesa_texformat_bgr565 = {
-   MESA_FORMAT_BGR565,                 /* MesaFormat */
-   GL_RGB,                             /* BaseFormat */
-   GL_UNSIGNED_SHORT_5_6_5,            /* Type */
-   5,                                  /* RedBits */
-   6,                                  /* GreenBits */
-   5,                                  /* BlueBits */
+const struct gl_texture_format _mesa_texformat_z16 = {
+   MESA_FORMAT_Z16,                    /* MesaFormat */
+   GL_DEPTH_COMPONENT,                 /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
+   0,                                  /* RedBits */
+   0,                                  /* GreenBits */
+   0,                                  /* BlueBits */
    0,                                  /* AlphaBits */
    0,                                  /* LuminanceBits */
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   2,                                  /* TexelBytes */
-   fetch_1d_texel_bgr565,              /* FetchTexel1D */
-   fetch_2d_texel_bgr565,              /* FetchTexel2D */
-   fetch_3d_texel_bgr565,              /* FetchTexel3D */
-};
-
-const struct gl_texture_format _mesa_texformat_bgra4444 = {
-   MESA_FORMAT_BGRA4444,               /* MesaFormat */
-   GL_RGBA,                            /* BaseFormat */
-   GL_UNSIGNED_SHORT_4_4_4_4_REV,      /* Type */
-   4,                                  /* RedBits */
-   4,                                  /* GreenBits */
-   4,                                  /* BlueBits */
-   4,                                  /* AlphaBits */
-   0,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   2,                                  /* TexelBytes */
-   fetch_1d_texel_bgra4444,            /* FetchTexel1D */
-   fetch_2d_texel_bgra4444,            /* FetchTexel2D */
-   fetch_3d_texel_bgra4444,            /* FetchTexel3D */
-};
-
-const struct gl_texture_format _mesa_texformat_bgra5551 = {
-   MESA_FORMAT_BGRA5551,               /* MesaFormat */
-   GL_RGBA,                            /* BaseFormat */
-   GL_UNSIGNED_SHORT_1_5_5_5_REV,      /* Type */
-   5,                                  /* RedBits */
-   5,                                  /* GreenBits */
-   5,                                  /* BlueBits */
-   1,                                  /* AlphaBits */
-   0,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   2,                                  /* TexelBytes */
-   fetch_1d_texel_bgra1555,            /* FetchTexel1D */
-   fetch_2d_texel_bgra1555,            /* FetchTexel2D */
-   fetch_3d_texel_bgra1555,            /* FetchTexel3D */
+   sizeof(GLushort) * 8,               /* DepthBits */
+   0,                                  /* StencilBits */
+   sizeof(GLushort),                   /* TexelBytes */
+   _mesa_texstore_z16,                 /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   fetch_texel_1d_f_z16,               /* FetchTexel1Df */
+   fetch_texel_2d_f_z16,               /* FetchTexel2Df */
+   fetch_texel_3d_f_z16,               /* FetchTexel3Df */
+   store_texel_z16                     /* StoreTexel */
 };
 
-const struct gl_texture_format _mesa_texformat_la88 = {
-   MESA_FORMAT_LA88,                   /* MesaFormat */
-   GL_LUMINANCE_ALPHA,                 /* BaseFormat */
-   GL_UNSIGNED_BYTE,                   /* Type */
+const struct gl_texture_format _mesa_texformat_z32 = {
+   MESA_FORMAT_Z32,                    /* MesaFormat */
+   GL_DEPTH_COMPONENT,                 /* BaseFormat */
+   GL_UNSIGNED_NORMALIZED_ARB,         /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
-   8,                                  /* AlphaBits */
-   8,                                  /* LuminanceBits */
-   0,                                  /* IntensityBits */
-   0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   2,                                  /* TexelBytes */
-   fetch_1d_texel_la88,                        /* FetchTexel1D */
-   fetch_2d_texel_la88,                        /* FetchTexel2D */
-   fetch_3d_texel_la88,                        /* FetchTexel3D */
-};
-
-const struct gl_texture_format _mesa_texformat_bgr233 = {
-   MESA_FORMAT_BGR233,                 /* MesaFormat */
-   GL_RGB,                             /* BaseFormat */
-   GL_UNSIGNED_BYTE_3_3_2,             /* Type */
-   3,                                  /* RedBits */
-   3,                                  /* GreenBits */
-   2,                                  /* BlueBits */
    0,                                  /* AlphaBits */
    0,                                  /* LuminanceBits */
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
-   0,                                  /* DepthBits */
-   1,                                  /* TexelBytes */
-   fetch_1d_texel_bgr233,              /* FetchTexel1D */
-   fetch_2d_texel_bgr233,              /* FetchTexel2D */
-   fetch_3d_texel_bgr233,              /* FetchTexel3D */
+   sizeof(GLuint) * 8,                 /* DepthBits */
+   0,                                  /* StencilBits */
+   sizeof(GLuint),                     /* TexelBytes */
+   _mesa_texstore_z32,                 /* StoreTexImageFunc */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   NULL,                               /* FetchTexel1D */
+   fetch_texel_1d_f_z32,               /* FetchTexel1Df */
+   fetch_texel_2d_f_z32,               /* FetchTexel2Df */
+   fetch_texel_3d_f_z32,               /* FetchTexel3Df */
+   store_texel_z32                     /* StoreTexel */
 };
-#endif
 
 /*@}*/
 
@@ -713,6 +1265,7 @@ const struct gl_texture_format _mesa_texformat_bgr233 = {
 const struct gl_texture_format _mesa_null_texformat = {
    -1,                                 /* MesaFormat */
    0,                                  /* BaseFormat */
+   GL_NONE,                            /* DataType */
    0,                                  /* RedBits */
    0,                                  /* GreenBits */
    0,                                  /* BlueBits */
@@ -721,47 +1274,35 @@ const struct gl_texture_format _mesa_null_texformat = {
    0,                                  /* IntensityBits */
    0,                                  /* IndexBits */
    0,                                  /* DepthBits */
+   0,                                  /* StencilBits */
    0,                                  /* TexelBytes */
+   NULL,                               /* StoreTexImageFunc */
    fetch_null_texel,                   /* FetchTexel1D */
    fetch_null_texel,                   /* FetchTexel2D */
    fetch_null_texel,                   /* FetchTexel3D */
+   fetch_null_texelf,                  /* FetchTexel1Df */
+   fetch_null_texelf,                  /* FetchTexel2Df */
+   fetch_null_texelf,                  /* FetchTexel3Df */
+   store_null_texel                    /* StoreTexel */
 };
 
 /*@}*/
 
 
 /**
- * Determine whether a given texture format is a hardware texture
- * format.
- *
- * \param format texture format.
- * 
- * \return GL_TRUE if \p format is a hardware texture format, or GL_FALSE
- * otherwise.
- *
- * \p format is a hardware texture format if gl_texture_format::MesaFormat is
- * lower than _format::MESA_FORMAT_RGBA.
- */
-GLboolean
-_mesa_is_hardware_tex_format( const struct gl_texture_format *format )
-{
-   return (format->MesaFormat < MESA_FORMAT_RGBA);
-}
-
-
-/**
- * Choose an appropriate texture format.
+ * Choose an appropriate texture format given the format, type and
+ * internalFormat parameters passed to glTexImage().
  *
- * \param ctx GL context.
- * \param internalFormat internal texture format.
- * \param format pixel format.
- * \param type data type.
+ * \param ctx  the GL context.
+ * \param internalFormat  user's prefered internal texture format.
+ * \param format  incoming image pixel format.
+ * \param type  incoming image data type.
  *
- * \return a pointer to a gl_texture_format in which to store the texture on
- * success, or NULL on failure.
+ * \return a pointer to a gl_texture_format object which describes the
+ * choosen texture format, or NULL on failure.
  * 
  * This is called via dd_function_table::ChooseTextureFormat.  Hardware drivers
- * typically override this function with a specialized version.
+ * will typically override this function with a specialized version.
  */
 const struct gl_texture_format *
 _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat,
@@ -770,195 +1311,432 @@ _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat,
    (void) format;
    (void) type;
 
-   switch ( internalFormat ) {
-      /* GH: Bias towards GL_RGB, GL_RGBA texture formats.  This has
-       * got to be better than sticking them way down the end of this
-       * huge list.
-       */
-   case 4:                             /* Quake3 uses this... */
-   case GL_RGBA:
-      return &_mesa_texformat_rgba;
-
-   case 3:                             /* ... and this. */
-   case GL_RGB:
-      return &_mesa_texformat_rgb;
-
-      /* GH: Okay, keep checking as normal.  Still test for GL_RGB,
-       * GL_RGBA formats first.
-       */
-   case GL_RGBA2:
-   case GL_RGBA4:
-   case GL_RGB5_A1:
-   case GL_RGBA8:
-   case GL_RGB10_A2:
-   case GL_RGBA12:
-   case GL_RGBA16:
-      return &_mesa_texformat_rgba;
-
-   case GL_R3_G3_B2:
-   case GL_RGB4:
-   case GL_RGB5:
-   case GL_RGB8:
-   case GL_RGB10:
-   case GL_RGB12:
-   case GL_RGB16:
-      return &_mesa_texformat_rgb;
-
-   case GL_ALPHA:
-   case GL_ALPHA4:
-   case GL_ALPHA8:
-   case GL_ALPHA12:
-   case GL_ALPHA16:
-      return &_mesa_texformat_alpha;
-
-   case 1:
-   case GL_LUMINANCE:
-   case GL_LUMINANCE4:
-   case GL_LUMINANCE8:
-   case GL_LUMINANCE12:
-   case GL_LUMINANCE16:
-      return &_mesa_texformat_luminance;
-
-   case 2:
-   case GL_LUMINANCE_ALPHA:
-   case GL_LUMINANCE4_ALPHA4:
-   case GL_LUMINANCE6_ALPHA2:
-   case GL_LUMINANCE8_ALPHA8:
-   case GL_LUMINANCE12_ALPHA4:
-   case GL_LUMINANCE12_ALPHA12:
-   case GL_LUMINANCE16_ALPHA16:
-      return &_mesa_texformat_luminance_alpha;
-
-   case GL_INTENSITY:
-   case GL_INTENSITY4:
-   case GL_INTENSITY8:
-   case GL_INTENSITY12:
-   case GL_INTENSITY16:
-      return &_mesa_texformat_intensity;
-
-   case GL_COLOR_INDEX:
-   case GL_COLOR_INDEX1_EXT:
-   case GL_COLOR_INDEX2_EXT:
-   case GL_COLOR_INDEX4_EXT:
-   case GL_COLOR_INDEX8_EXT:
-   case GL_COLOR_INDEX12_EXT:
-   case GL_COLOR_INDEX16_EXT:
-      return &_mesa_texformat_color_index;
-
-   case GL_DEPTH_COMPONENT:
-   case GL_DEPTH_COMPONENT16_SGIX:
-   case GL_DEPTH_COMPONENT24_SGIX:
-   case GL_DEPTH_COMPONENT32_SGIX:
-      if (!ctx->Extensions.SGIX_depth_texture)
-        _mesa_problem(ctx, "depth format without GL_SGIX_depth_texture");
-      return &_mesa_texformat_depth_component;
-
-   case GL_COMPRESSED_ALPHA_ARB:
-      if (!ctx->Extensions.ARB_texture_compression)
-        _mesa_problem(ctx, "texture compression extension not enabled");
-      return &_mesa_texformat_alpha;
-   case GL_COMPRESSED_LUMINANCE_ARB:
-      if (!ctx->Extensions.ARB_texture_compression)
-        _mesa_problem(ctx, "texture compression extension not enabled");
-      return &_mesa_texformat_luminance;
-   case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
-      if (!ctx->Extensions.ARB_texture_compression)
-        _mesa_problem(ctx, "texture compression extension not enabled");
-      return &_mesa_texformat_luminance_alpha;
-   case GL_COMPRESSED_INTENSITY_ARB:
-      if (!ctx->Extensions.ARB_texture_compression)
-        _mesa_problem(ctx, "texture compression extension not enabled");
-      return &_mesa_texformat_intensity;
-   case GL_COMPRESSED_RGB_ARB:
-      if (!ctx->Extensions.ARB_texture_compression)
-        _mesa_problem(ctx, "texture compression extension not enabled");
-      if (ctx->Extensions.TDFX_texture_compression_FXT1)
-         return &_mesa_texformat_rgb_fxt1;
-      else if (ctx->Extensions.EXT_texture_compression_s3tc)
-         return &_mesa_texformat_rgb_dxt1;
-      return &_mesa_texformat_rgb;
-   case GL_COMPRESSED_RGBA_ARB:
-      if (!ctx->Extensions.ARB_texture_compression)
-        _mesa_problem(ctx, "texture compression extension not enabled");
-      if (ctx->Extensions.TDFX_texture_compression_FXT1)
-         return &_mesa_texformat_rgba_fxt1;
-      else if (ctx->Extensions.EXT_texture_compression_s3tc)
-         return &_mesa_texformat_rgba_dxt3;  /* Not rgba_dxt1!  See the spec */
-      return &_mesa_texformat_rgba;
-
-   /* GL_MESA_ycrcr_texture */
-   case GL_YCBCR_MESA:
-      if (type == GL_UNSIGNED_SHORT_8_8_MESA)
-         return &_mesa_texformat_ycbcr;
-      else
-         return &_mesa_texformat_ycbcr_rev;
-
-   /* GL_3DFX_texture_compression_FXT1 */
-   case GL_COMPRESSED_RGB_FXT1_3DFX:
-      if (ctx->Extensions.TDFX_texture_compression_FXT1)
-         return &_mesa_texformat_rgb_fxt1;
-      else
-         return NULL;
-   case GL_COMPRESSED_RGBA_FXT1_3DFX:
-      if (ctx->Extensions.TDFX_texture_compression_FXT1)
-         return &_mesa_texformat_rgba_fxt1;
-      else
-         return NULL;
-
-   /* GL_EXT_texture_compression_s3tc */
-   case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
-      if (ctx->Extensions.EXT_texture_compression_s3tc)
-         return &_mesa_texformat_rgb_dxt1;
-      else
-         return NULL;
-   case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
-      if (ctx->Extensions.EXT_texture_compression_s3tc)
-         return &_mesa_texformat_rgba_dxt1;
-      else
-         return NULL;
-   case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
-      if (ctx->Extensions.EXT_texture_compression_s3tc)
-         return &_mesa_texformat_rgba_dxt3;
-      else
-         return NULL;
-   case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
-      if (ctx->Extensions.EXT_texture_compression_s3tc)
-         return &_mesa_texformat_rgba_dxt5;
-      else
-         return NULL;
+   switch (internalFormat) {
+      /* RGBA formats */
+      case 4:
+      case GL_RGBA:
+      case GL_RGB10_A2:
+      case GL_RGBA12:
+      case GL_RGBA16:
+         return &_mesa_texformat_rgba;
+      case GL_RGBA8:
+         return &_mesa_texformat_rgba8888;
+      case GL_RGB5_A1:
+         return &_mesa_texformat_argb1555;
+      case GL_RGBA2:
+         return &_mesa_texformat_argb4444_rev; /* just to test another format*/
+      case GL_RGBA4:
+         return &_mesa_texformat_argb4444;
+
+      /* RGB formats */
+      case 3:
+      case GL_RGB:
+      case GL_RGB10:
+      case GL_RGB12:
+      case GL_RGB16:
+         return &_mesa_texformat_rgb;
+      case GL_RGB8:
+         return &_mesa_texformat_rgb888;
+      case GL_R3_G3_B2:
+         return &_mesa_texformat_rgb332;
+      case GL_RGB4:
+         return &_mesa_texformat_rgb565_rev; /* just to test another format */
+      case GL_RGB5:
+         return &_mesa_texformat_rgb565;
+
+      /* Alpha formats */
+      case GL_ALPHA:
+      case GL_ALPHA4:
+      case GL_ALPHA12:
+      case GL_ALPHA16:
+         return &_mesa_texformat_alpha;
+      case GL_ALPHA8:
+         return &_mesa_texformat_a8;
+
+      /* Luminance formats */
+      case 1:
+      case GL_LUMINANCE:
+      case GL_LUMINANCE4:
+      case GL_LUMINANCE12:
+      case GL_LUMINANCE16:
+         return &_mesa_texformat_luminance;
+      case GL_LUMINANCE8:
+         return &_mesa_texformat_l8;
+
+      /* Luminance/Alpha formats */
+      case 2:
+      case GL_LUMINANCE_ALPHA:
+      case GL_LUMINANCE4_ALPHA4:
+      case GL_LUMINANCE6_ALPHA2:
+      case GL_LUMINANCE12_ALPHA4:
+      case GL_LUMINANCE12_ALPHA12:
+      case GL_LUMINANCE16_ALPHA16:
+         return &_mesa_texformat_luminance_alpha;
+      case GL_LUMINANCE8_ALPHA8:
+         return &_mesa_texformat_al88;
+
+      case GL_INTENSITY:
+      case GL_INTENSITY4:
+      case GL_INTENSITY12:
+      case GL_INTENSITY16:
+         return &_mesa_texformat_intensity;
+      case GL_INTENSITY8:
+         return &_mesa_texformat_i8;
+
+      case GL_COLOR_INDEX:
+      case GL_COLOR_INDEX1_EXT:
+      case GL_COLOR_INDEX2_EXT:
+      case GL_COLOR_INDEX4_EXT:
+      case GL_COLOR_INDEX12_EXT:
+      case GL_COLOR_INDEX16_EXT:
+      case GL_COLOR_INDEX8_EXT:
+         return &_mesa_texformat_ci8;
+
+      default:
+         ; /* fallthrough */
+   }
 
-   default:
-      _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
-      return NULL;
+   if (ctx->Extensions.SGIX_depth_texture ||
+       ctx->Extensions.ARB_depth_texture) {
+      switch (internalFormat) {
+         case GL_DEPTH_COMPONENT:
+         case GL_DEPTH_COMPONENT24_SGIX:
+         case GL_DEPTH_COMPONENT32_SGIX:
+            return &_mesa_texformat_z32;
+         case GL_DEPTH_COMPONENT16_SGIX:
+            return &_mesa_texformat_z16;
+         default:
+            ; /* fallthrough */
+      }
    }
+
+   if (ctx->Extensions.ARB_texture_compression) {
+      switch (internalFormat) {
+         case GL_COMPRESSED_ALPHA_ARB:
+            return &_mesa_texformat_alpha;
+         case GL_COMPRESSED_LUMINANCE_ARB:
+            return &_mesa_texformat_luminance;
+         case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
+            return &_mesa_texformat_luminance_alpha;
+         case GL_COMPRESSED_INTENSITY_ARB:
+            return &_mesa_texformat_intensity;
+         case GL_COMPRESSED_RGB_ARB:
+            if (ctx->Extensions.TDFX_texture_compression_FXT1)
+               return &_mesa_texformat_rgb_fxt1;
+            else if (ctx->Extensions.EXT_texture_compression_s3tc ||
+                     ctx->Extensions.S3_s3tc)
+               return &_mesa_texformat_rgb_dxt1;
+            else
+               return &_mesa_texformat_rgb;
+         case GL_COMPRESSED_RGBA_ARB:
+            if (ctx->Extensions.TDFX_texture_compression_FXT1)
+               return &_mesa_texformat_rgba_fxt1;
+            else if (ctx->Extensions.EXT_texture_compression_s3tc ||
+                     ctx->Extensions.S3_s3tc)
+               return &_mesa_texformat_rgba_dxt3; /* Not rgba_dxt1, see spec */
+            else
+               return &_mesa_texformat_rgba;
+         default:
+            ; /* fallthrough */
+      }
+   }
+
+   if (ctx->Extensions.MESA_ycbcr_texture) {
+      if (internalFormat == GL_YCBCR_MESA) {
+         if (type == GL_UNSIGNED_SHORT_8_8_MESA)
+            return &_mesa_texformat_ycbcr;
+         else
+            return &_mesa_texformat_ycbcr_rev;
+      }
+   }
+
+   if (ctx->Extensions.TDFX_texture_compression_FXT1) {
+      switch (internalFormat) {
+         case GL_COMPRESSED_RGB_FXT1_3DFX:
+            return &_mesa_texformat_rgb_fxt1;
+         case GL_COMPRESSED_RGBA_FXT1_3DFX:
+            return &_mesa_texformat_rgba_fxt1;
+         default:
+            ; /* fallthrough */
+      }
+   }
+
+   if (ctx->Extensions.EXT_texture_compression_s3tc) {
+      switch (internalFormat) {
+         case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+            return &_mesa_texformat_rgb_dxt1;
+         case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+            return &_mesa_texformat_rgba_dxt1;
+         case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+            return &_mesa_texformat_rgba_dxt3;
+         case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+            return &_mesa_texformat_rgba_dxt5;
+         default:
+            ; /* fallthrough */
+      }
+   }
+
+   if (ctx->Extensions.S3_s3tc) {
+      switch (internalFormat) {
+         case GL_RGB_S3TC:
+         case GL_RGB4_S3TC:
+            return &_mesa_texformat_rgb_dxt1;
+         case GL_RGBA_S3TC:
+         case GL_RGBA4_S3TC:
+            return &_mesa_texformat_rgba_dxt3;
+         default:
+            ; /* fallthrough */
+      }
+   }
+
+   if (ctx->Extensions.ARB_texture_float) {
+      switch (internalFormat) {
+         case GL_ALPHA16F_ARB:
+            return &_mesa_texformat_alpha_float16;
+         case GL_ALPHA32F_ARB:
+            return &_mesa_texformat_alpha_float32;
+         case GL_LUMINANCE16F_ARB:
+            return &_mesa_texformat_luminance_float16;
+         case GL_LUMINANCE32F_ARB:
+            return &_mesa_texformat_luminance_float32;
+         case GL_LUMINANCE_ALPHA16F_ARB:
+            return &_mesa_texformat_luminance_alpha_float16;
+         case GL_LUMINANCE_ALPHA32F_ARB:
+            return &_mesa_texformat_luminance_alpha_float32;
+         case GL_INTENSITY16F_ARB:
+            return &_mesa_texformat_intensity_float16;
+         case GL_INTENSITY32F_ARB:
+            return &_mesa_texformat_intensity_float32;
+         case GL_RGB16F_ARB:
+            return &_mesa_texformat_rgb_float16;
+         case GL_RGB32F_ARB:
+            return &_mesa_texformat_rgb_float32;
+         case GL_RGBA16F_ARB:
+            return &_mesa_texformat_rgba_float16;
+         case GL_RGBA32F_ARB:
+            return &_mesa_texformat_rgba_float32;
+         default:
+            ; /* fallthrough */
+      }
+   }
+
+   if (ctx->Extensions.EXT_packed_depth_stencil) {
+      switch (internalFormat) {
+         case GL_DEPTH_STENCIL_EXT:
+         case GL_DEPTH24_STENCIL8_EXT:
+            return &_mesa_texformat_z24_s8;
+         default:
+            ; /* fallthrough */
+      }
+   }
+
+#if FEATURE_EXT_texture_sRGB
+   if (ctx->Extensions.EXT_texture_sRGB) {
+      switch (internalFormat) {
+         case GL_SRGB_EXT:
+         case GL_SRGB8_EXT:
+            return &_mesa_texformat_srgb8;
+         case GL_SRGB_ALPHA_EXT:
+         case GL_SRGB8_ALPHA8_EXT:
+            return &_mesa_texformat_srgba8;
+         case GL_SLUMINANCE_EXT:
+         case GL_SLUMINANCE8_EXT:
+            return &_mesa_texformat_sl8;
+         case GL_SLUMINANCE_ALPHA_EXT:
+         case GL_SLUMINANCE8_ALPHA8_EXT:
+            return &_mesa_texformat_sla8;
+         /* NOTE: not supporting any compression of sRGB at this time */
+         case GL_COMPRESSED_SRGB_EXT:
+            return &_mesa_texformat_srgb8;
+         case GL_COMPRESSED_SRGB_ALPHA_EXT:
+            return &_mesa_texformat_srgba8;
+         case GL_COMPRESSED_SLUMINANCE_EXT:
+            return &_mesa_texformat_sl8;
+         case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
+            return &_mesa_texformat_sla8;
+         case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+            return &_mesa_texformat_srgb8;
+         case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+         case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+         case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+            return &_mesa_texformat_srgba8;
+         default:
+            ; /* fallthrough */
+      }
+   }
+#endif /* FEATURE_EXT_texture_sRGB */
+
+   _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
+   return NULL;
 }
 
 
+
 /**
- * Return the base texture format for the given compressed format
- * 
- * Called via dd_function_table::Driver.BaseCompressedTexFormat.
- * This function is used by software rasterizers.  Hardware drivers
- * which support texture compression should not use this function but
- * a specialized function instead.
+ * Return datatype and number of components per texel for the
+ * given gl_texture_format.
  */
-GLint
-_mesa_base_compressed_texformat(GLcontext *ctx, GLint intFormat)
+void
+_mesa_format_to_type_and_comps(const struct gl_texture_format *format,
+                               GLenum *datatype, GLuint *comps)
 {
-   switch (intFormat) {
-   case GL_COMPRESSED_ALPHA_ARB:
-      return GL_ALPHA;
-   case GL_COMPRESSED_LUMINANCE_ARB:
-      return GL_LUMINANCE;
-   case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
-      return GL_LUMINANCE_ALPHA;
-   case GL_COMPRESSED_INTENSITY_ARB:
-      return GL_INTENSITY;
-   case GL_COMPRESSED_RGB_ARB:
-      return GL_RGB;
-   case GL_COMPRESSED_RGBA_ARB:
-      return GL_RGBA;
+   switch (format->MesaFormat) {
+   case MESA_FORMAT_RGBA8888:
+   case MESA_FORMAT_RGBA8888_REV:
+   case MESA_FORMAT_ARGB8888:
+   case MESA_FORMAT_ARGB8888_REV:
+      *datatype = CHAN_TYPE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGB888:
+   case MESA_FORMAT_BGR888:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 3;
+      return;
+   case MESA_FORMAT_RGB565:
+   case MESA_FORMAT_RGB565_REV:
+      *datatype = GL_UNSIGNED_SHORT_5_6_5;
+      *comps = 3;
+      return;
+
+   case MESA_FORMAT_ARGB4444:
+   case MESA_FORMAT_ARGB4444_REV:
+      *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
+      *comps = 4;
+      return;
+
+   case MESA_FORMAT_ARGB1555:
+   case MESA_FORMAT_ARGB1555_REV:
+      *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+      *comps = 3;
+      return;
+
+   case MESA_FORMAT_AL88:
+   case MESA_FORMAT_AL88_REV:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 2;
+      return;
+   case MESA_FORMAT_RGB332:
+      *datatype = GL_UNSIGNED_BYTE_3_3_2;
+      *comps = 3;
+      return;
+
+   case MESA_FORMAT_A8:
+   case MESA_FORMAT_L8:
+   case MESA_FORMAT_I8:
+   case MESA_FORMAT_CI8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_YCBCR:
+   case MESA_FORMAT_YCBCR_REV:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 2;
+      return;
+
+   case MESA_FORMAT_Z24_S8:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 1; /* XXX OK? */
+      return;
+
+   case MESA_FORMAT_Z16:
+      *datatype = GL_UNSIGNED_SHORT;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_Z32:
+      *datatype = GL_UNSIGNED_INT;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_SRGB8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 3;
+      return;
+   case MESA_FORMAT_SRGBA8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_SL8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 1;
+      return;
+   case MESA_FORMAT_SLA8:
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 2;
+      return;
+
+   case MESA_FORMAT_RGB_FXT1:
+   case MESA_FORMAT_RGBA_FXT1:
+   case MESA_FORMAT_RGB_DXT1:
+   case MESA_FORMAT_RGBA_DXT1:
+   case MESA_FORMAT_RGBA_DXT3:
+   case MESA_FORMAT_RGBA_DXT5:
+      /* XXX generate error instead? */
+      *datatype = GL_UNSIGNED_BYTE;
+      *comps = 0;
+      return;
+
+   case MESA_FORMAT_RGBA:
+      *datatype = CHAN_TYPE;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGB:
+      *datatype = CHAN_TYPE;
+      *comps = 3;
+      return;
+   case MESA_FORMAT_LUMINANCE_ALPHA:
+      *datatype = CHAN_TYPE;
+      *comps = 2;
+      return;
+   case MESA_FORMAT_ALPHA:
+   case MESA_FORMAT_LUMINANCE:
+   case MESA_FORMAT_INTENSITY:
+      *datatype = CHAN_TYPE;
+      *comps = 1;
+      return;
+
+   case MESA_FORMAT_RGBA_FLOAT32:
+      *datatype = GL_FLOAT;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGBA_FLOAT16:
+      *datatype = GL_HALF_FLOAT_ARB;
+      *comps = 4;
+      return;
+   case MESA_FORMAT_RGB_FLOAT32:
+      *datatype = GL_FLOAT;
+      *comps = 3;
+      return;
+   case MESA_FORMAT_RGB_FLOAT16:
+      *datatype = GL_HALF_FLOAT_ARB;
+      *comps = 3;
+      return;
+   case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
+      *datatype = GL_FLOAT;
+      *comps = 2;
+      return;
+   case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
+      *datatype = GL_HALF_FLOAT_ARB;
+      *comps = 2;
+      return;
+   case MESA_FORMAT_ALPHA_FLOAT32:
+   case MESA_FORMAT_LUMINANCE_FLOAT32:
+   case MESA_FORMAT_INTENSITY_FLOAT32:
+      *datatype = GL_FLOAT;
+      *comps = 1;
+      return;
+   case MESA_FORMAT_ALPHA_FLOAT16:
+   case MESA_FORMAT_LUMINANCE_FLOAT16:
+   case MESA_FORMAT_INTENSITY_FLOAT16:
+      *datatype = GL_HALF_FLOAT_ARB;
+      *comps = 1;
+      return;
+
    default:
-      return -1;  /* not a recognized compressed format */
+      _mesa_problem(NULL, "bad format in _mesa_format_to_type_and_comps");
+      *datatype = 0;
+      *comps = 1;
    }
 }