mesa git update 18 sep 2012

11 files changed, 402 insertions, 372 deletions

diff --git a/mesalib/src/mesa/drivers/dri/common/Makefile.am b/mesalib/src/mesa/drivers/dri/common/Makefile.am
index d81bc0e3f..6e9d738fa 100644
--- a/mesalib/src/mesa/drivers/dri/common/Makefile.am
+++ b/mesalib/src/mesa/drivers/dri/common/Makefile.am
@@ -28,11 +28,17 @@ AM_CFLAGS = \
 	$(API_DEFINES) \
 	$(LIBDRM_CFLAGS)
 
-noinst_LTLIBRARIES = libdricommon.la
+noinst_LTLIBRARIES = \
+	libdricommon.la \
+	libdri_test_stubs.la
 
 libdricommon_la_SOURCES = \
 	utils.c \
 	dri_util.c \
 	xmlconfig.c
 
+libdri_test_stubs_la_SOURCES = \
+	dri_test.c
+libdri_test_stubs_la_CFLAGS = $(AM_CFLAGS) -DNO_MAIN
+
 sysconf_DATA = drirc
diff --git a/mesalib/src/mesa/drivers/dri/common/dri_test.c b/mesalib/src/mesa/drivers/dri/common/dri_test.c
index 793f0c37d..35732857d 100644
--- a/mesalib/src/mesa/drivers/dri/common/dri_test.c
+++ b/mesalib/src/mesa/drivers/dri/common/dri_test.c
@@ -82,8 +82,10 @@ _glthread_GetID(void)
    return 0;
 }
 
+#ifndef NO_MAIN
 int main(int argc, char** argv)
 {
    void* p = __driDriverExtensions;
    return (int)(unsigned long)p;
 }
+#endif
diff --git a/mesalib/src/mesa/main/dd.h b/mesalib/src/mesa/main/dd.h
index e6a1e68cb..0000a397a 100644
--- a/mesalib/src/mesa/main/dd.h
+++ b/mesalib/src/mesa/main/dd.h
@@ -251,14 +251,14 @@ struct dd_function_table {
                           struct gl_texture_object *texObj);
 
    /**
-    * Called by glTexImage[123]D when user specifies a proxy texture
-    * target.  
-    *
-    * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails.
+    * Called by glTexImage, glCompressedTexImage, glCopyTexImage
+    * and glTexStorage to check if the dimensions of the texture image
+    * are too large.
+    * \param target  any GL_PROXY_TEXTURE_x target
+    * \return GL_TRUE if the image is OK, GL_FALSE if too large
     */
    GLboolean (*TestProxyTexImage)(struct gl_context *ctx, GLenum target,
-                                  GLint level, GLint internalFormat,
-                                  GLenum format, GLenum type,
+                                  GLint level, gl_format format,
                                   GLint width, GLint height,
                                   GLint depth, GLint border);
    /*@}*/
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index da8fbcd32..83e79a5a3 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -1209,44 +1209,22 @@ _mesa_clear_texture_image(struct gl_context *ctx,
 
 
 /**
- * This is the fallback for Driver.TestProxyTexImage().  Test the texture
- * level, width, height and depth against the ctx->Const limits for textures.
- *
- * A hardware driver might override this function if, for example, the
- * max 3D texture size is 512x512x64 (i.e. not a cube).
- *
- * Note that width, height, depth == 0 is not an error.  However, a
- * texture with zero width/height/depth will be considered "incomplete"
- * and texturing will effectively be disabled.
- *
- * \param target  one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D,
- *                GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV,
- *                GL_PROXY_TEXTURE_CUBE_MAP_ARB.
- * \param level  as passed to glTexImage
- * \param internalFormat  as passed to glTexImage
- * \param format  as passed to glTexImage
- * \param type  as passed to glTexImage
- * \param width  as passed to glTexImage
- * \param height  as passed to glTexImage
- * \param depth  as passed to glTexImage
- * \param border  as passed to glTexImage
- * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
+ * Check the width, height, depth and border of a texture image are legal.
+ * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage
+ * functions.
+ * The target and level parameters will have already been validated.
+ * \return GL_TRUE if size is OK, GL_FALSE otherwise.
  */
 GLboolean
-_mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
-                          GLint internalFormat, GLenum format, GLenum type,
-                          GLint width, GLint height, GLint depth, GLint border)
+_mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
+                               GLint level, GLint width, GLint height,
+                               GLint depth, GLint border)
 {
    GLint maxSize;
 
-   (void) internalFormat;
-   (void) format;
-   (void) type;
-
    switch (target) {
+   case GL_TEXTURE_1D:
    case GL_PROXY_TEXTURE_1D:
-      if (level >= ctx->Const.MaxTextureLevels)
-         return GL_FALSE;
       maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); /* level zero size */
       maxSize >>= level;  /* level size */
       if (width < 2 * border || width > 2 * border + maxSize)
@@ -1257,9 +1235,8 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
       }
       return GL_TRUE;
 
+   case GL_TEXTURE_2D:
    case GL_PROXY_TEXTURE_2D:
-      if (level >= ctx->Const.MaxTextureLevels)
-         return GL_FALSE;
       maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
       maxSize >>= level;
       if (width < 2 * border || width > 2 * border + maxSize)
@@ -1274,9 +1251,8 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
       }
       return GL_TRUE;
 
+   case GL_TEXTURE_3D:
    case GL_PROXY_TEXTURE_3D:
-      if (level >= ctx->Const.Max3DTextureLevels)
-         return GL_FALSE;
       maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
       maxSize >>= level;
       if (width < 2 * border || width > 2 * border + maxSize)
@@ -1295,6 +1271,7 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
       }
       return GL_TRUE;
 
+   case GL_TEXTURE_RECTANGLE_NV:
    case GL_PROXY_TEXTURE_RECTANGLE_NV:
       if (level != 0)
          return GL_FALSE;
@@ -1305,9 +1282,13 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
          return GL_FALSE;
       return GL_TRUE;
 
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
    case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
-      if (level >= ctx->Const.MaxCubeTextureLevels)
-         return GL_FALSE;
       maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
       maxSize >>= level;
       if (width < 2 * border || width > 2 * border + maxSize)
@@ -1322,9 +1303,8 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
       }
       return GL_TRUE;
 
+   case GL_TEXTURE_1D_ARRAY_EXT:
    case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
-      if (level >= ctx->Const.MaxTextureLevels)
-         return GL_FALSE;
       maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
       maxSize >>= level;
       if (width < 2 * border || width > 2 * border + maxSize)
@@ -1337,9 +1317,8 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
       }
       return GL_TRUE;
 
+   case GL_TEXTURE_2D_ARRAY_EXT:
    case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
-      if (level >= ctx->Const.MaxTextureLevels)
-         return GL_FALSE;
       maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
       maxSize >>= level;
       if (width < 2 * border || width > 2 * border + maxSize)
@@ -1357,25 +1336,43 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
       return GL_TRUE;
 
    default:
-      _mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage");
+      _mesa_problem(ctx, "Invalid target in _mesa_legal_texture_dimensions()");
       return GL_FALSE;
    }
 }
 
 
 /**
- * Check if the memory used by the texture would exceed the driver's limit.
- * This lets us support a max 3D texture size of 8K (for example) but
- * prevents allocating a full 8K x 8K x 8K texture.
- * XXX this could be rolled into the proxy texture size test (above) but
- * we don't have the actual texture internal format at that point.
+ * This is the fallback for Driver.TestProxyTexImage() for doing device-
+ * specific texture image size checks.
+ *
+ * A hardware driver might override this function if, for example, the
+ * max 3D texture size is 512x512x64 (i.e. not a cube).
+ *
+ * Note that width, height, depth == 0 is not an error.  However, a
+ * texture with zero width/height/depth will be considered "incomplete"
+ * and texturing will effectively be disabled.
+ *
+ * \param target  any texture target/type
+ * \param level  as passed to glTexImage
+ * \param format  the MESA_FORMAT_x for the tex image
+ * \param width  as passed to glTexImage
+ * \param height  as passed to glTexImage
+ * \param depth  as passed to glTexImage
+ * \param border  as passed to glTexImage
+ * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
  */
-static GLboolean
-legal_texture_size(struct gl_context *ctx, gl_format format,
-                   GLint width, GLint height, GLint depth)
+GLboolean
+_mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
+                          gl_format format,
+                          GLint width, GLint height, GLint depth, GLint border)
 {
+   /* We just check if the image size is less than MaxTextureMbytes.
+    * Some drivers may do more specific checks.
+    */
    uint64_t bytes = _mesa_format_image_size64(format, width, height, depth);
    uint64_t mbytes = bytes / (1024 * 1024); /* convert to MB */
+   mbytes *= _mesa_num_tex_faces(target);
    return mbytes <= (uint64_t) ctx->Const.MaxTextureMbytes;
 }
 
@@ -1664,19 +1661,11 @@ get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh)
 
 
 /**
- * Special value returned by error some texture error checking functions when
- * an error is detected and the proxy texture image's width/height/depth/format
- * fields should be zeroed-out.
- */
-#define PROXY_ERROR 2
-
-
-/**
  * Test the glTexImage[123]D() parameters for errors.
  * 
  * \param ctx GL context.
  * \param dimensions texture image dimensions (must be 1, 2 or 3).
- * \param target texture target given by the user.
+ * \param target texture target given by the user (already validated).
  * \param level image level given by the user.
  * \param internalFormat internal format given by the user.
  * \param format pixel data format given by the user.
@@ -1686,14 +1675,17 @@ get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh)
  * \param depth image depth given by the user.
  * \param border image border given by the user.
  * 
- * \return PROXY_ERROR if there's an error that should zero-out the proxy image,
- *         GL_TRUE if a regular GL error is found, or GL_FALSE if no error, 
+ * \return GL_TRUE if a error is found, GL_FALSE otherwise
  *
  * Verifies each of the parameters against the constants specified in
  * __struct gl_contextRec::Const and the supported extensions, and according
  * to the OpenGL specification.
+ * Note that we don't fully error-check the width, height, depth values
+ * here.  That's done in _mesa_legal_texture_dimensions() which is used
+ * by several other GL entrypoints.  Plus, texture dims have a special
+ * interaction with proxy textures.
  */
-static GLenum
+static GLboolean
 texture_error_check( struct gl_context *ctx,
                      GLuint dimensions, GLenum target,
                      GLint level, GLint internalFormat,
@@ -1701,9 +1693,6 @@ texture_error_check( struct gl_context *ctx,
                      GLint width, GLint height,
                      GLint depth, GLint border )
 {
-   const GLenum proxyTarget = _mesa_get_proxy_target(target);
-   const GLboolean isProxy = target == proxyTarget;
-   GLboolean sizeOK = GL_TRUE;
    GLboolean colorFormat;
    GLenum err;
 
@@ -1720,8 +1709,8 @@ texture_error_check( struct gl_context *ctx,
     * zero-out behaviour is only used in cases related to memory allocation.
     */
 
-   /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
-   if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+   /* level check */
+   if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
       _mesa_error(ctx, GL_INVALID_VALUE,
                   "glTexImage%dD(level=%d)", dimensions, level);
       return GL_TRUE;
@@ -1769,30 +1758,11 @@ texture_error_check( struct gl_context *ctx,
       }
    }
 
-   /* Do this simple check before calling the TestProxyTexImage() function */
-   if (proxyTarget == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
-      sizeOK = (width == height);
-   }
-
-   /*
-    * Use the proxy texture driver hook to see if the size/level/etc are
-    * legal.
-    */
-   sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
-                                                    internalFormat, format,
-                                                    type, width, height,
-                                                    depth, border);
-   if (!sizeOK) {
-      if (isProxy) {
-         /* No GL error is recorded, but we need to zero-out the image dims */
-         return PROXY_ERROR;
-      }
-      else {
-         _mesa_error(ctx, GL_INVALID_VALUE,
-                     "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)",
-                     dimensions, level, width, height, depth);
-         return GL_TRUE;
-      }
+   if ((target == GL_PROXY_TEXTURE_CUBE_MAP_ARB ||
+        _mesa_is_cube_face(target)) && width != height) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glTexImage2D(cube width != height)");
+      return GL_TRUE;
    }
 
    /* Check internalFormat */
@@ -1921,8 +1891,9 @@ texture_error_check( struct gl_context *ctx,
 
 /**
  * Error checking for glCompressedTexImage[123]D().
- * \param reason  returns reason for error, if any
- * \return error code or GL_NO_ERROR or PROXY_ERROR.
+ * Note that the width, height and depth values are not fully error checked
+ * here.
+ * \return GL_TRUE if a error is found, GL_FALSE otherwise
  */
 static GLenum
 compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
@@ -1931,7 +1902,6 @@ compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
                                GLsizei height, GLsizei depth, GLint border,
                                GLsizei imageSize)
 {
-   const GLenum proxyTarget = _mesa_get_proxy_target(target);
    const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
    GLint expectedSize;
    GLenum choose_format;
@@ -2033,13 +2003,15 @@ compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
    }
 
    /* For cube map, width must equal height */
-   if (_mesa_is_cube_face(target) && width != height) {
+   if ((target == GL_PROXY_TEXTURE_CUBE_MAP_ARB ||
+        _mesa_is_cube_face(target)) && width != height) {
       reason = "width != height";
       error = GL_INVALID_VALUE;
       goto error;
    }
 
    /* check image size against compression block size */
+   /* XXX possibly move this into the _mesa_legal_texture_dimensions() func */
    {
       gl_format texFormat =
          ctx->Driver.ChooseTextureFormat(ctx, target, proxy_format,
@@ -2060,20 +2032,6 @@ compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
       }
    }
 
-   /* check image sizes */
-   if (!ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
-				      proxy_format, choose_format,
-				      choose_type,
-				      width, height, depth, border)) {
-      /* See error comment above */
-      if (target == proxyTarget) {
-         return PROXY_ERROR;
-      }
-      reason = "invalid width, height or format";
-      error = GL_INVALID_OPERATION;
-      goto error;
-   }
-
    /* check image size in bytes */
    if (expectedSize != imageSize) {
       /* Per GL_ARB_texture_compression:  GL_INVALID_VALUE is generated [...]
@@ -2091,11 +2049,11 @@ compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
       goto error;
    }
 
-   return GL_NO_ERROR;
+   return GL_FALSE;
 
 error:
    _mesa_error(ctx, error, "glCompressedTexImage%dD(%s)", dimensions, reason);
-   return error;
+   return GL_TRUE;
 }
 
 
@@ -2105,7 +2063,7 @@ error:
  * 
  * \param ctx GL context.
  * \param dimensions texture image dimensions (must be 1, 2 or 3).
- * \param target texture target given by the user.
+ * \param target texture target given by the user (already validated)
  * \param level image level given by the user.
  * \param xoffset sub-image x offset given by the user.
  * \param yoffset sub-image y offset given by the user.
@@ -2131,8 +2089,8 @@ subtexture_error_check( struct gl_context *ctx, GLuint dimensions,
 {
    GLenum err;
 
-   /* Basic level check */
-   if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+   /* level check */
+   if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
       _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level=%d)", level);
       return GL_TRUE;
    }
@@ -2306,9 +2264,6 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
                          GLenum target, GLint level, GLint internalFormat,
                          GLint width, GLint height, GLint border )
 {
-   const GLenum proxyTarget = _mesa_get_proxy_target(target);
-   const GLenum type = GL_FLOAT;
-   GLboolean sizeOK;
    GLint baseFormat;
 
    /* check target */
@@ -2318,8 +2273,8 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
       return GL_TRUE;
    }       
 
-   /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
-   if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+   /* level check */
+   if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
       _mesa_error(ctx, GL_INVALID_VALUE,
                   "glCopyTexImage%dD(level=%d)", dimensions, level);
       return GL_TRUE;
@@ -2403,25 +2358,10 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
       }
    }
 
-   /* Do size, level checking */
-   sizeOK = (proxyTarget == GL_PROXY_TEXTURE_CUBE_MAP_ARB)
-      ? (width == height) : 1;
-
-   sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
-                                                    internalFormat, baseFormat,
-                                                    type, width, height,
-                                                    1, border);
-
-   if (!sizeOK) {
-      if (dimensions == 1) {
-         _mesa_error(ctx, GL_INVALID_VALUE,
-                     "glCopyTexImage1D(width=%d)", width);
-      }
-      else {
-         ASSERT(dimensions == 2);
-         _mesa_error(ctx, GL_INVALID_VALUE,
-                     "glCopyTexImage2D(width=%d, height=%d)", width, height);
-      }
+   if ((target == GL_PROXY_TEXTURE_CUBE_MAP_ARB ||
+        _mesa_is_cube_face(target)) && width != height) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glTexImage2D(cube width != height)");
       return GL_TRUE;
    }
 
@@ -2497,7 +2437,7 @@ copytexsubimage_error_check1( struct gl_context *ctx, GLuint dimensions,
    }
 
    /* Check level */
-   if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+   if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
       _mesa_error(ctx, GL_INVALID_VALUE,
                   "glCopyTexSubImage%dD(level=%d)", dimensions, level);
       return GL_TRUE;
@@ -2901,9 +2841,11 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
          GLsizei imageSize, const GLvoid *pixels)
 {
    const char *func = compressed ? "glCompressedTexImage" : "glTexImage";
-   GLenum error;
    struct gl_pixelstore_attrib unpack_no_border;
    const struct gl_pixelstore_attrib *unpack = &ctx->Unpack;
+   struct gl_texture_object *texObj;
+   gl_format texFormat;
+   GLboolean dimensionsOK, sizeOK;
 
    ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
 
@@ -2937,22 +2879,23 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
 
    /* general error checking */
    if (compressed) {
-      error = compressed_texture_error_check(ctx, dims, target, level,
-                                             internalFormat,
-                                             width, height, depth,
-                                             border, imageSize);
+      if (compressed_texture_error_check(ctx, dims, target, level,
+                                         internalFormat,
+                                         width, height, depth,
+                                         border, imageSize))
+         return;
    }
    else {
-      error = texture_error_check(ctx, dims, target, level, internalFormat,
-                                  format, type, width, height, depth, border);
+      if (texture_error_check(ctx, dims, target, level, internalFormat,
+                              format, type, width, height, depth, border))
+         return;
    }
 
-#if FEATURE_ES
    /* Here we convert a cpal compressed image into a regular glTexImage2D
     * call by decompressing the texture.  If we really want to support cpal
     * textures in any driver this would have to be changed.
     */
-   if (compressed && !error && dims == 2) {
+   if (ctx->API == API_OPENGLES && compressed && dims == 2) {
       switch (internalFormat) {
       case GL_PALETTE4_RGB8_OES:
       case GL_PALETTE4_RGBA8_OES:
@@ -2969,50 +2912,55 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
          return;
       }
    }
-#endif
+
+   texObj = _mesa_get_current_tex_object(ctx, target);
+   assert(texObj);
+
+   texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
+                                           internalFormat, format, type);
+   assert(texFormat != MESA_FORMAT_NONE);
+
+   /* check that width, height, depth are legal for the mipmap level */
+   dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, level, width,
+                                                 height, depth, border);
+
+   /* check that the texture won't take too much memory, etc */
+   sizeOK = ctx->Driver.TestProxyTexImage(ctx, _mesa_get_proxy_target(target),
+                                          level, texFormat,
+                                          width, height, depth, border);
 
    if (_mesa_is_proxy_texture(target)) {
       /* Proxy texture: just clear or set state depending on error checking */
       struct gl_texture_image *texImage =
          get_proxy_tex_image(ctx, target, level);
-      gl_format texFormat = MESA_FORMAT_NONE;
 
-      if (!error) {
-         /* No parameter errors.  Choose a texture format and see if we
-          * can really allocate the texture.
-          */
-         struct gl_texture_object *texObj =
-            _mesa_get_current_tex_object(ctx, target);
-         texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
-                                                 internalFormat, format, type);
-         if (!legal_texture_size(ctx, texFormat, width, height, depth)) {
-            error = PROXY_ERROR;
-         }
-      }
+      if (!texImage)
+         return;  /* GL_OUT_OF_MEMORY already recorded */
 
-      if (error == PROXY_ERROR) {
-         /* image too large, etc.  Clear all proxy texture image parameters. */
-         if (texImage)
-            clear_teximage_fields(texImage);
-      }
-      else if (error == GL_FALSE) {
-         /* no error: store the teximage parameters */
-         if (texImage)
-            _mesa_init_teximage_fields(ctx, texImage, width, height, depth,
-                                       border, internalFormat, texFormat);
+      if (dimensionsOK && sizeOK) {
+         _mesa_init_teximage_fields(ctx, texImage, width, height, depth,
+                                    border, internalFormat, texFormat);
       }
       else {
-         /* other, regular error (was already recorded) */
+         clear_teximage_fields(texImage);
       }
    }
    else {
       /* non-proxy target */
       const GLuint face = _mesa_tex_target_to_face(target);
-      struct gl_texture_object *texObj;
       struct gl_texture_image *texImage;
 
-      if (error) {
-         return;   /* error was recorded */
+      if (!dimensionsOK) {
+         _mesa_error(ctx, GL_INVALID_VALUE,
+                     "glTexImage%uD(invalid width or height or depth)",
+                     dims);
+         return;
+      }
+
+      if (!sizeOK) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY,
+                     "glTexImage%uD(image too large)", dims);
+         return;
       }
 
       /* Allow a hardware driver to just strip out the border, to provide
@@ -3029,8 +2977,6 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
       if (ctx->NewState & _NEW_PIXEL)
 	 _mesa_update_state(ctx);
 
-      texObj = _mesa_get_current_tex_object(ctx, target);
-
       _mesa_lock_texture(ctx, texObj);
       {
 	 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
@@ -3039,38 +2985,27 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
 	    _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims);
 	 }
          else {
-            gl_format texFormat;
-
             ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
 
-            texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
-                                                    internalFormat, format,
-                                                    type);
-
-            if (legal_texture_size(ctx, texFormat, width, height, depth)) {
-               _mesa_init_teximage_fields(ctx, texImage,
-                                          width, height, depth,
-                                          border, internalFormat, texFormat);
-
-               /* Give the texture to the driver.  <pixels> may be null. */
-               if (compressed) {
-                  ctx->Driver.CompressedTexImage(ctx, dims, texImage,
-                                                 imageSize, pixels);
-               }
-               else {
-                  ctx->Driver.TexImage(ctx, dims, texImage, format,
-                                       type, pixels, unpack);
-               }
-
-               check_gen_mipmap(ctx, target, texObj, level);
-
-               _mesa_update_fbo_texture(ctx, texObj, face, level);
+            _mesa_init_teximage_fields(ctx, texImage,
+                                       width, height, depth,
+                                       border, internalFormat, texFormat);
 
-               _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
+            /* Give the texture to the driver.  <pixels> may be null. */
+            if (compressed) {
+               ctx->Driver.CompressedTexImage(ctx, dims, texImage,
+                                              imageSize, pixels);
             }
             else {
-               _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims);
+               ctx->Driver.TexImage(ctx, dims, texImage, format,
+                                    type, pixels, unpack);
             }
+
+            check_gen_mipmap(ctx, target, texObj, level);
+
+            _mesa_update_fbo_texture(ctx, texObj, face, level);
+
+            _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
          }
       }
       _mesa_unlock_texture(ctx, texObj);
@@ -3078,6 +3013,7 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
 }
 
 
+
 /*
  * Called from the API.  Note that width includes the border.
  */
@@ -3343,6 +3279,7 @@ copyteximage(struct gl_context *ctx, GLuint dims,
    struct gl_texture_object *texObj;
    struct gl_texture_image *texImage;
    const GLuint face = _mesa_tex_target_to_face(target);
+   gl_format texFormat;
 
    ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
 
@@ -3360,7 +3297,27 @@ copyteximage(struct gl_context *ctx, GLuint dims,
                                width, height, border))
       return;
 
+   if (!_mesa_legal_texture_dimensions(ctx, target, level, width, height,
+                                       1, border)) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glCopyTexImage%uD(invalid width or height)", dims);
+      return;
+   }
+
    texObj = _mesa_get_current_tex_object(ctx, target);
+   assert(texObj);
+
+   texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
+                                           internalFormat, GL_NONE, GL_NONE);
+   assert(texFormat != MESA_FORMAT_NONE);
+
+   if (!ctx->Driver.TestProxyTexImage(ctx, _mesa_get_proxy_target(target),
+                                      level, texFormat,
+                                      width, height, 1, border)) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY,
+                  "glCopyTexImage%uD(image too large)", dims);
+      return;
+   }
 
    if (border && ctx->Const.StripTextureBorder) {
       x += border;
@@ -3380,45 +3337,33 @@ copyteximage(struct gl_context *ctx, GLuint dims,
 	 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims);
       }
       else {
-         /* choose actual hw format */
-         gl_format texFormat = _mesa_choose_texture_format(ctx, texObj,
-                                                           target, level,
-                                                           internalFormat,
-                                                           GL_NONE, GL_NONE);
-
-         if (legal_texture_size(ctx, texFormat, width, height, 1)) {
-            GLint srcX = x, srcY = y, dstX = 0, dstY = 0, dstZ = 0;
+         GLint srcX = x, srcY = y, dstX = 0, dstY = 0, dstZ = 0;
 
-            /* Free old texture image */
-            ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
+         /* Free old texture image */
+         ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
 
-            _mesa_init_teximage_fields(ctx, texImage, width, height, 1,
-                                       border, internalFormat, texFormat);
+         _mesa_init_teximage_fields(ctx, texImage, width, height, 1,
+                                    border, internalFormat, texFormat);
 
-            /* Allocate texture memory (no pixel data yet) */
-            ctx->Driver.TexImage(ctx, dims, texImage,
-                                 GL_NONE, GL_NONE,
-                                 NULL, &ctx->Unpack);
+         /* Allocate texture memory (no pixel data yet) */
+         ctx->Driver.TexImage(ctx, dims, texImage,
+                              GL_NONE, GL_NONE,
+                              NULL, &ctx->Unpack);
 
-            if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY,
-                                           &width, &height)) {
-               struct gl_renderbuffer *srcRb =
-                  get_copy_tex_image_source(ctx, texImage->TexFormat);
+         if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY,
+                                        &width, &height)) {
+            struct gl_renderbuffer *srcRb =
+               get_copy_tex_image_source(ctx, texImage->TexFormat);
 
-               ctx->Driver.CopyTexSubImage(ctx, dims, texImage, dstX, dstY, dstZ,
-                                           srcRb, srcX, srcY, width, height);
-            }
+            ctx->Driver.CopyTexSubImage(ctx, dims, texImage, dstX, dstY, dstZ,
+                                        srcRb, srcX, srcY, width, height);
+         }
 
-            check_gen_mipmap(ctx, target, texObj, level);
+         check_gen_mipmap(ctx, target, texObj, level);
 
-            _mesa_update_fbo_texture(ctx, texObj, face, level);
+         _mesa_update_fbo_texture(ctx, texObj, face, level);
 
-            _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
-         }
-         else {
-            /* probably too large of image */
-            _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims);
-         }
+         _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
       }
    }
    _mesa_unlock_texture(ctx, texObj);
diff --git a/mesalib/src/mesa/main/teximage.h b/mesalib/src/mesa/main/teximage.h
index 36fd1c2bc..c7c32d8ac 100644
--- a/mesalib/src/mesa/main/teximage.h
+++ b/mesalib/src/mesa/main/teximage.h
@@ -128,8 +128,8 @@ _mesa_max_texture_levels(struct gl_context *ctx, GLenum target);
 
 extern GLboolean
 _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
-                         GLint internalFormat, GLenum format, GLenum type,
-                         GLint width, GLint height, GLint depth, GLint border);
+                          gl_format format,
+                          GLint width, GLint height, GLint depth, GLint border);
 
 
 extern GLuint
@@ -142,6 +142,11 @@ extern GLenum
 _mesa_es_error_check_format_and_type(GLenum format, GLenum type,
                                      unsigned dimensions);
 
+extern GLboolean
+_mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
+                               GLint level, GLint width, GLint height,
+                               GLint depth, GLint border);
+
 /**
  * Lock a texture for updating.  See also _mesa_lock_context_textures().
  */
diff --git a/mesalib/src/mesa/main/texobj.h b/mesalib/src/mesa/main/texobj.h
index a6f1d3a14..f22c58cad 100644
--- a/mesalib/src/mesa/main/texobj.h
+++ b/mesalib/src/mesa/main/texobj.h
@@ -85,7 +85,13 @@ _mesa_reference_texobj(struct gl_texture_object **ptr,
 static inline GLuint
 _mesa_num_tex_faces(GLenum target)
 {
-   return target == GL_TEXTURE_CUBE_MAP ? 6 : 1;
+   switch (target) {
+   case GL_TEXTURE_CUBE_MAP:
+   case GL_PROXY_TEXTURE_CUBE_MAP:
+      return 6;
+   default:
+      return 1;
+   }
 }
 
 
diff --git a/mesalib/src/mesa/main/texstorage.c b/mesalib/src/mesa/main/texstorage.c
index f8a939794..ca02ef301 100644
--- a/mesalib/src/mesa/main/texstorage.c
+++ b/mesalib/src/mesa/main/texstorage.c
@@ -118,42 +118,42 @@ next_mipmap_level_size(GLenum target,
 }
 
 
-/**
- * Do actual memory allocation for glTexStorage1/2/3D().
- */
-static void
-setup_texstorage(struct gl_context *ctx,
-                 struct gl_texture_object *texObj,
-                 GLuint dims,
-                 GLsizei levels, GLenum internalFormat,
-                 GLsizei width, GLsizei height, GLsizei depth)
+/** Helper to get a particular texture image in a texture object */
+static struct gl_texture_image *
+get_tex_image(struct gl_context *ctx, 
+              struct gl_texture_object *texObj,
+              GLuint face, GLuint level)
+{
+   const GLenum faceTarget =
+      (texObj->Target == GL_TEXTURE_CUBE_MAP ||
+       texObj->Target == GL_PROXY_TEXTURE_CUBE_MAP)
+      ? GL_TEXTURE_CUBE_MAP_POSITIVE_X + face : texObj->Target;
+   return _mesa_get_tex_image(ctx, texObj, faceTarget, level);
+}
+
+
+
+static GLboolean
+initialize_texture_fields(struct gl_context *ctx,
+                          struct gl_texture_object *texObj,
+                          GLint levels,
+                          GLsizei width, GLsizei height, GLsizei depth,
+                          GLenum internalFormat, gl_format texFormat)
 {
    const GLenum target = texObj->Target;
    const GLuint numFaces = _mesa_num_tex_faces(target);
-   gl_format texFormat;
    GLint level, levelWidth = width, levelHeight = height, levelDepth = depth;
    GLuint face;
 
-   assert(levels > 0);
-   assert(width > 0);
-   assert(height > 0);
-   assert(depth > 0);
-
-   texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
-                                           internalFormat, GL_NONE, GL_NONE);
-
    /* Set up all the texture object's gl_texture_images */
    for (level = 0; level < levels; level++) {
       for (face = 0; face < numFaces; face++) {
-         const GLenum faceTarget =
-            (target == GL_TEXTURE_CUBE_MAP)
-            ? GL_TEXTURE_CUBE_MAP_POSITIVE_X + face : target;
          struct gl_texture_image *texImage =
-            _mesa_get_tex_image(ctx, texObj, faceTarget, level);
+            get_tex_image(ctx, texObj, face, level);
 
 	 if (!texImage) {
-	    _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
-            return;
+	    _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage");
+            return GL_FALSE;
 	 }
 
          _mesa_init_teximage_fields(ctx, texImage,
@@ -163,49 +163,18 @@ setup_texstorage(struct gl_context *ctx,
 
       next_mipmap_level_size(target, &levelWidth, &levelHeight, &levelDepth);
    }
-
-   assert(levelWidth > 0);
-   assert(levelHeight > 0);
-   assert(levelDepth > 0);
-
-   if (!_mesa_is_proxy_texture(texObj->Target)) {
-      /* Do actual texture memory allocation */
-      if (!ctx->Driver.AllocTextureStorage(ctx, texObj, levels,
-                                           width, height, depth)) {
-         /* Reset the texture images' info to zeros.
-          * Strictly speaking, we probably don't have to do this since
-          * generating GL_OUT_OF_MEMORY can leave things in an undefined
-          * state but this puts things in a consistent state.
-          */
-         for (level = 0; level < levels; level++) {
-            for (face = 0; face < numFaces; face++) {
-               struct gl_texture_image *texImage = texObj->Image[face][level];
-               if (texImage) {
-                  _mesa_init_teximage_fields(ctx, texImage,
-                                             0, 0, 0, 0,
-                                             GL_NONE, MESA_FORMAT_NONE);
-               }
-            }
-         }
-
-         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage%uD", dims);
-
-         return;
-      }
-
-      /* Only set this field for non-proxy texture objects */
-      texObj->Immutable = GL_TRUE;
-   }
+   return GL_TRUE;
 }
 
 
 /**
  * Clear all fields of texture object to zeros.  Used for proxy texture tests.
+ * Used for proxy texture tests (and to clean up when a texture memory
+ * allocation fails).
  */
 static void
-clear_image_fields(struct gl_context *ctx,
-                   GLuint dims,
-                   struct gl_texture_object *texObj)
+clear_texture_fields(struct gl_context *ctx,
+                     struct gl_texture_object *texObj)
 {
    const GLenum target = texObj->Target;
    const GLuint numFaces = _mesa_num_tex_faces(target);
@@ -214,19 +183,17 @@ clear_image_fields(struct gl_context *ctx,
 
    for (level = 0; level < Elements(texObj->Image[0]); level++) {
       for (face = 0; face < numFaces; face++) {
-         const GLenum faceTarget =
-            (target == GL_TEXTURE_CUBE_MAP)
-            ? GL_TEXTURE_CUBE_MAP_POSITIVE_X + face : target;
          struct gl_texture_image *texImage =
-            _mesa_get_tex_image(ctx, texObj, faceTarget, level);
+            get_tex_image(ctx, texObj, face, level);
 
 	 if (!texImage) {
-	    _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage%uD", dims);
+	    _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage");
             return;
 	 }
 
          _mesa_init_teximage_fields(ctx, texImage,
-                                    0, 0, 0, 0, GL_NONE, MESA_FORMAT_NONE);
+                                    0, 0, 0, 0, /* w, h, d, border */
+                                    GL_NONE, MESA_FORMAT_NONE);
       }
    }
 }
@@ -301,13 +268,6 @@ tex_storage_error_check(struct gl_context *ctx, GLuint dims, GLenum target,
       return GL_TRUE;
    }  
 
-   /* levels check */
-   if (levels < 1 || height < 1 || depth < 1) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
-                  dims);
-      return GL_TRUE;
-   }  
-
    /* target check */
    if (!legal_texobj_target(ctx, dims, target)) {
       _mesa_error(ctx, GL_INVALID_ENUM,
@@ -316,7 +276,14 @@ tex_storage_error_check(struct gl_context *ctx, GLuint dims, GLenum target,
       return GL_TRUE;
    }
 
-   /* check levels against maximum */
+   /* levels check */
+   if (levels < 1) {
+      _mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
+                  dims);
+      return GL_TRUE;
+   }  
+
+   /* check levels against maximum (note different error than above) */
    if (levels > _mesa_max_texture_levels(ctx, target)) {
       _mesa_error(ctx, GL_INVALID_OPERATION,
                   "glTexStorage%uD(levels too large)", dims);
@@ -359,37 +326,76 @@ texstorage(GLuint dims, GLenum target, GLsizei levels, GLenum internalformat,
            GLsizei width, GLsizei height, GLsizei depth)
 {
    struct gl_texture_object *texObj;
-   GLboolean sizeOK;
-   GLenum proxyTarget = _mesa_get_proxy_target(target);
+   GLboolean sizeOK, dimensionsOK;
+   gl_format texFormat;
 
    GET_CURRENT_CONTEXT(ctx);
 
-   texObj = _mesa_get_current_tex_object(ctx, target);
-
    if (tex_storage_error_check(ctx, dims, target, levels,
                                internalformat, width, height, depth)) {
       return; /* error was recorded */
    }
 
-   sizeOK = ctx->Driver.TestProxyTexImage(ctx, proxyTarget, 0,
-                                          internalformat, GL_NONE, GL_NONE,
+   texObj = _mesa_get_current_tex_object(ctx, target);
+   assert(texObj);
+
+   texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
+                                           internalformat, GL_NONE, GL_NONE);
+   assert(texFormat != MESA_FORMAT_NONE);
+
+   /* check that width, height, depth are legal for the mipmap level */
+   dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0,
+                                                  width, height, depth, 0);
+
+   sizeOK = ctx->Driver.TestProxyTexImage(ctx, target, 0, texFormat,
                                           width, height, depth, 0);
 
-   if (!sizeOK) {
-      if (_mesa_is_proxy_texture(texObj->Target)) {
-         /* clear all image fields for [levels] */
-         clear_image_fields(ctx, dims, texObj);
+   if (_mesa_is_proxy_texture(texObj->Target)) {
+      if (dimensionsOK && sizeOK) {
+         initialize_texture_fields(ctx, texObj, levels, width, height, depth,
+                                   internalformat, texFormat);
       }
       else {
-         _mesa_error(ctx, GL_INVALID_VALUE,
-                     "glTexStorage%uD(invalid width, height or depth)",
-                     dims);
-         return;
+         /* clear all image fields for [levels] */
+         clear_texture_fields(ctx, texObj);
       }
    }
    else {
-      setup_texstorage(ctx, texObj, dims, levels, internalformat,
-                       width, height, depth);
+      if (!dimensionsOK) {
+         _mesa_error(ctx, GL_INVALID_VALUE,
+                     "glTexStorage%uD(invalid width, height or depth)", dims);
+         return;
+      }
+
+      if (!sizeOK) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY,
+                     "glTexStorage%uD(texture too large)", dims);
+      }
+
+      assert(levels > 0);
+      assert(width > 0);
+      assert(height > 0);
+      assert(depth > 0);
+
+      if (!initialize_texture_fields(ctx, texObj, levels, width, height, depth,
+                                     internalformat, texFormat)) {
+         return;
+      }
+
+      /* Do actual texture memory allocation */
+      if (!ctx->Driver.AllocTextureStorage(ctx, texObj, levels,
+                                           width, height, depth)) {
+         /* Reset the texture images' info to zeros.
+          * Strictly speaking, we probably don't have to do this since
+          * generating GL_OUT_OF_MEMORY can leave things in an undefined
+          * state but this puts things in a consistent state.
+          */
+         clear_texture_fields(ctx, texObj);
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage%uD", dims);
+         return;
+      }
+
+      texObj->Immutable = GL_TRUE;
    }
 }
 
diff --git a/mesalib/src/mesa/main/uniforms.h b/mesalib/src/mesa/main/uniforms.h
index bb0552476..e84964c6f 100644
--- a/mesalib/src/mesa/main/uniforms.h
+++ b/mesalib/src/mesa/main/uniforms.h
@@ -244,8 +244,6 @@ struct gl_builtin_uniform_desc {
    unsigned int num_elements;
 };
 
-extern const struct gl_builtin_uniform_desc _mesa_builtin_uniform_desc[];
-
 /**
  * \name GLSL uniform arrays and structs require special handling.
  *
diff --git a/mesalib/src/mesa/main/version.c b/mesalib/src/mesa/main/version.c
index bc7b1fa0e..55638a807 100644
--- a/mesalib/src/mesa/main/version.c
+++ b/mesalib/src/mesa/main/version.c
@@ -55,6 +55,27 @@ override_version(struct gl_context *ctx)
 }
 
 /**
+ * Builds the MESA version string.
+ */
+static void
+create_version_string(struct gl_context *ctx, const char *prefix)
+{
+   static const int max = 100;
+
+   ctx->VersionString = malloc(max);
+   if (ctx->VersionString) {
+      _mesa_snprintf(ctx->VersionString, max,
+		     "%s%u.%u Mesa " MESA_VERSION_STRING
+#ifdef MESA_GIT_SHA1
+		     " (" MESA_GIT_SHA1 ")"
+#endif
+		     ,
+		     prefix,
+		     ctx->Version / 10, ctx->Version % 10);
+   }
+}
+
+/**
  * Override the context's GLSL version if the environment variable
  * MESA_GLSL_VERSION_OVERRIDE is set. Valid values for
  * MESA_GLSL_VERSION_OVERRIDE are integers, such as "130".
@@ -85,7 +106,6 @@ static void
 compute_version(struct gl_context *ctx)
 {
    GLuint major, minor;
-   static const int max = 100;
 
    const GLboolean ver_1_3 = (ctx->Extensions.ARB_texture_border_clamp &&
                               ctx->Extensions.ARB_texture_cube_map &&
@@ -224,23 +244,12 @@ compute_version(struct gl_context *ctx)
 
    override_version(ctx);
 
-   ctx->VersionString = malloc(max);
-   if (ctx->VersionString) {
-      _mesa_snprintf(ctx->VersionString, max,
-		     "%u.%u Mesa " MESA_VERSION_STRING
-#ifdef MESA_GIT_SHA1
-		     " (" MESA_GIT_SHA1 ")"
-#endif
-		     ,
-		     ctx->Version / 10, ctx->Version % 10);
-   }
+   create_version_string(ctx, "");
 }
 
 static void
 compute_version_es1(struct gl_context *ctx)
 {
-   static const int max = 100;
-
    /* OpenGL ES 1.0 is derived from OpenGL 1.3 */
    const GLboolean ver_1_0 = (ctx->Extensions.ARB_texture_env_combine &&
                               ctx->Extensions.ARB_texture_env_dot3);
@@ -256,23 +265,12 @@ compute_version_es1(struct gl_context *ctx)
       _mesa_problem(ctx, "Incomplete OpenGL ES 1.0 support.");
    }
 
-   ctx->VersionString = malloc(max);
-   if (ctx->VersionString) {
-      _mesa_snprintf(ctx->VersionString, max,
-		     "OpenGL ES-CM 1.%d Mesa " MESA_VERSION_STRING
-#ifdef MESA_GIT_SHA1
-		     " (" MESA_GIT_SHA1 ")"
-#endif
-		     ,
-		     ctx->Version % 10);
-   }
+   create_version_string(ctx, "OpenGL ES-CM ");
 }
 
 static void
 compute_version_es2(struct gl_context *ctx)
 {
-   static const int max = 100;
-
    /* OpenGL ES 2.0 is derived from OpenGL 2.0 */
    const GLboolean ver_2_0 = (ctx->Extensions.ARB_texture_cube_map &&
                               ctx->Extensions.EXT_blend_color &&
@@ -289,15 +287,7 @@ compute_version_es2(struct gl_context *ctx)
       _mesa_problem(ctx, "Incomplete OpenGL ES 2.0 support.");
    }
 
-   ctx->VersionString = malloc(max);
-   if (ctx->VersionString) {
-      _mesa_snprintf(ctx->VersionString, max,
-		     "OpenGL ES 2.0 Mesa " MESA_VERSION_STRING
-#ifdef MESA_GIT_SHA1
-		     " (" MESA_GIT_SHA1 ")"
-#endif
-		     );
-   }
+   create_version_string(ctx, "OpenGL ES ");
 }
 
 /**
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 518b680f0..4f4fe77da 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -73,19 +73,32 @@ gl_target_to_pipe(GLenum target)
 {
    switch (target) {
    case GL_TEXTURE_1D:
+   case GL_PROXY_TEXTURE_1D:
       return PIPE_TEXTURE_1D;
    case GL_TEXTURE_2D:
+   case GL_PROXY_TEXTURE_2D:
    case GL_TEXTURE_EXTERNAL_OES:
       return PIPE_TEXTURE_2D;
    case GL_TEXTURE_RECTANGLE_NV:
+   case GL_PROXY_TEXTURE_RECTANGLE_NV:
       return PIPE_TEXTURE_RECT;
    case GL_TEXTURE_3D:
+   case GL_PROXY_TEXTURE_3D:
       return PIPE_TEXTURE_3D;
    case GL_TEXTURE_CUBE_MAP_ARB:
+   case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
       return PIPE_TEXTURE_CUBE;
    case GL_TEXTURE_1D_ARRAY_EXT:
+   case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
       return PIPE_TEXTURE_1D_ARRAY;
    case GL_TEXTURE_2D_ARRAY_EXT:
+   case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
       return PIPE_TEXTURE_2D_ARRAY;
    case GL_TEXTURE_BUFFER:
       return PIPE_BUFFER;
@@ -1357,6 +1370,52 @@ st_AllocTextureStorage(struct gl_context *ctx,
 }
 
 
+static GLboolean
+st_TestProxyTexImage(struct gl_context *ctx, GLenum target,
+                     GLint level, gl_format format,
+                     GLint width, GLint height,
+                     GLint depth, GLint border)
+{
+   struct st_context *st = st_context(ctx);
+   struct pipe_context *pipe = st->pipe;
+
+   if (pipe->screen->can_create_resource) {
+      /* Ask the gallium driver if the texture is too large */
+      struct gl_texture_object *texObj =
+         _mesa_get_current_tex_object(ctx, target);
+      struct pipe_resource pt;
+
+      /* Setup the pipe_resource object
+       */
+      memset(&pt, 0, sizeof(pt));
+
+      pt.target = gl_target_to_pipe(target);
+      pt.format = st_mesa_format_to_pipe_format(format);
+
+      st_gl_texture_dims_to_pipe_dims(target,
+                                      width, height, depth,
+                                      &pt.width0, &pt.height0,
+                                      &pt.depth0, &pt.array_size);
+
+      if (level == 0 && (texObj->Sampler.MinFilter == GL_LINEAR ||
+                         texObj->Sampler.MinFilter == GL_NEAREST)) {
+         /* assume just one mipmap level */
+         pt.last_level = 0;
+      }
+      else {
+         /* assume a full set of mipmaps */
+         pt.last_level = _mesa_logbase2(MAX3(width, height, depth));
+      }
+
+      return pipe->screen->can_create_resource(pipe->screen, &pt);
+   }
+   else {
+      /* Use core Mesa fallback */
+      return _mesa_test_proxy_teximage(ctx, target, level, format,
+                                       width, height, depth, border);
+   }
+}
+
 
 void
 st_init_texture_functions(struct dd_function_table *functions)
@@ -1384,7 +1443,7 @@ st_init_texture_functions(struct dd_function_table *functions)
    functions->UnmapTextureImage = st_UnmapTextureImage;
 
    /* XXX Temporary until we can query pipe's texture sizes */
-   functions->TestProxyTexImage = _mesa_test_proxy_teximage;
+   functions->TestProxyTexImage = st_TestProxyTexImage;
 
    functions->AllocTextureStorage = st_AllocTextureStorage;
 }
diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c
index 9627a6117..3670683b5 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_texture.c
@@ -117,6 +117,7 @@ st_gl_texture_dims_to_pipe_dims(GLenum texture,
 {
    switch (texture) {
    case GL_TEXTURE_1D:
+   case GL_PROXY_TEXTURE_1D:
       assert(heightIn == 1);
       assert(depthIn == 1);
       *widthOut = widthIn;
@@ -125,6 +126,7 @@ st_gl_texture_dims_to_pipe_dims(GLenum texture,
       *layersOut = 1;
       break;
    case GL_TEXTURE_1D_ARRAY:
+   case GL_PROXY_TEXTURE_1D_ARRAY:
       assert(depthIn == 1);
       *widthOut = widthIn;
       *heightOut = 1;
@@ -132,7 +134,9 @@ st_gl_texture_dims_to_pipe_dims(GLenum texture,
       *layersOut = heightIn;
       break;
    case GL_TEXTURE_2D:
+   case GL_PROXY_TEXTURE_2D:
    case GL_TEXTURE_RECTANGLE:
+   case GL_PROXY_TEXTURE_RECTANGLE:
    case GL_TEXTURE_EXTERNAL_OES:
       assert(depthIn == 1);
       *widthOut = widthIn;
@@ -141,6 +145,13 @@ st_gl_texture_dims_to_pipe_dims(GLenum texture,
       *layersOut = 1;
       break;
    case GL_TEXTURE_CUBE_MAP:
+   case GL_PROXY_TEXTURE_CUBE_MAP:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
       assert(depthIn == 1);
       *widthOut = widthIn;
       *heightOut = heightIn;
@@ -148,6 +159,7 @@ st_gl_texture_dims_to_pipe_dims(GLenum texture,
       *layersOut = 6;
       break;
    case GL_TEXTURE_2D_ARRAY:
+   case GL_PROXY_TEXTURE_2D_ARRAY:
       *widthOut = widthIn;
       *heightOut = heightIn;
       *depthOut = 1;
@@ -157,6 +169,7 @@ st_gl_texture_dims_to_pipe_dims(GLenum texture,
       assert(0 && "Unexpected texture in st_gl_texture_dims_to_pipe_dims()");
       /* fall-through */
    case GL_TEXTURE_3D:
+   case GL_PROXY_TEXTURE_3D:
       *widthOut = widthIn;
       *heightOut = heightIn;
       *depthOut = depthIn;