mesa: fix invalid target error handling for teximage
[mesa.git] / src / mesa / main / teximage.c
index 1de40b04bf42f2e118a2be1948c370e7c4e36aea..b80d5a9b675f98375113653daf3d192b0f3b9830 100644 (file)
@@ -122,11 +122,61 @@ adjust_for_oes_float_texture(const struct gl_context *ctx,
    return format;
 }
 
+/**
+ * Returns a corresponding base format for a given internal floating point
+ * format as specifed by OES_texture_float.
+ */
+static GLenum
+oes_float_internal_format(const struct gl_context *ctx,
+                          GLenum format, GLenum type)
+{
+   switch (type) {
+   case GL_FLOAT:
+      if (ctx->Extensions.OES_texture_float) {
+         switch (format) {
+         case GL_RGBA32F:
+            return GL_RGBA;
+         case GL_RGB32F:
+            return GL_RGB;
+         case GL_ALPHA32F_ARB:
+            return GL_ALPHA;
+         case GL_LUMINANCE32F_ARB:
+            return GL_LUMINANCE;
+         case GL_LUMINANCE_ALPHA32F_ARB:
+            return GL_LUMINANCE_ALPHA;
+         default:
+            break;
+         }
+      }
+      break;
+
+   case GL_HALF_FLOAT_OES:
+      if (ctx->Extensions.OES_texture_half_float) {
+         switch (format) {
+         case GL_RGBA16F:
+            return GL_RGBA;
+         case GL_RGB16F:
+            return GL_RGB;
+         case GL_ALPHA16F_ARB:
+            return GL_ALPHA;
+         case GL_LUMINANCE16F_ARB:
+            return GL_LUMINANCE;
+         case GL_LUMINANCE_ALPHA16F_ARB:
+            return GL_LUMINANCE_ALPHA;
+         default:
+            break;
+         }
+      }
+      break;
+   }
+   return format;
+}
+
 
 /**
  * Install gl_texture_image in a gl_texture_object according to the target
  * and level parameters.
- * 
+ *
  * \param tObj texture object.
  * \param target texture target.
  * \param level image level.
@@ -373,23 +423,15 @@ get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level)
 
    switch (target) {
    case GL_PROXY_TEXTURE_1D:
-      if (level >= ctx->Const.MaxTextureLevels)
-         return NULL;
       texIndex = TEXTURE_1D_INDEX;
       break;
    case GL_PROXY_TEXTURE_2D:
-      if (level >= ctx->Const.MaxTextureLevels)
-         return NULL;
       texIndex = TEXTURE_2D_INDEX;
       break;
    case GL_PROXY_TEXTURE_3D:
-      if (level >= ctx->Const.Max3DTextureLevels)
-         return NULL;
       texIndex = TEXTURE_3D_INDEX;
       break;
    case GL_PROXY_TEXTURE_CUBE_MAP:
-      if (level >= ctx->Const.MaxCubeTextureLevels)
-         return NULL;
       texIndex = TEXTURE_CUBE_INDEX;
       break;
    case GL_PROXY_TEXTURE_RECTANGLE_NV:
@@ -398,28 +440,18 @@ get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level)
       texIndex = TEXTURE_RECT_INDEX;
       break;
    case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
-      if (level >= ctx->Const.MaxTextureLevels)
-         return NULL;
       texIndex = TEXTURE_1D_ARRAY_INDEX;
       break;
    case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
-      if (level >= ctx->Const.MaxTextureLevels)
-         return NULL;
       texIndex = TEXTURE_2D_ARRAY_INDEX;
       break;
    case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
-      if (level >= ctx->Const.MaxCubeTextureLevels)
-         return NULL;
       texIndex = TEXTURE_CUBE_ARRAY_INDEX;
       break;
    case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
-      if (level > 0)
-         return 0;
       texIndex = TEXTURE_2D_MULTISAMPLE_INDEX;
       break;
    case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
-      if (level > 0)
-         return 0;
       texIndex = TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX;
       break;
    default:
@@ -453,14 +485,14 @@ get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level)
  * \sa gl_constants.
  */
 GLint
-_mesa_max_texture_levels(struct gl_context *ctx, GLenum target)
+_mesa_max_texture_levels(const struct gl_context *ctx, GLenum target)
 {
    switch (target) {
    case GL_TEXTURE_1D:
    case GL_PROXY_TEXTURE_1D:
    case GL_TEXTURE_2D:
    case GL_PROXY_TEXTURE_2D:
-      return ctx->Const.MaxTextureLevels;
+      return ffs(util_next_power_of_two(ctx->Const.MaxTextureSize));
    case GL_TEXTURE_3D:
    case GL_PROXY_TEXTURE_3D:
       return ctx->Const.Max3DTextureLevels;
@@ -482,7 +514,7 @@ _mesa_max_texture_levels(struct gl_context *ctx, GLenum target)
    case GL_TEXTURE_2D_ARRAY_EXT:
    case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
       return ctx->Extensions.EXT_texture_array
-         ? ctx->Const.MaxTextureLevels : 0;
+         ? ffs(util_next_power_of_two(ctx->Const.MaxTextureSize)) : 0;
    case GL_TEXTURE_CUBE_MAP_ARRAY:
    case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
       return _mesa_has_texture_cube_map_array(ctx)
@@ -498,7 +530,7 @@ _mesa_max_texture_levels(struct gl_context *ctx, GLenum target)
          && ctx->Extensions.ARB_texture_multisample
          ? 1 : 0;
    case GL_TEXTURE_EXTERNAL_OES:
-      /* fall-through */
+      return _mesa_has_OES_EGL_image_external(ctx) ? 1 : 0;
    default:
       return 0; /* bad target */
    }
@@ -787,14 +819,15 @@ clear_teximage_fields(struct gl_texture_image *img)
  * Fills in the fields of \p img with the given information.
  * Note: width, height and depth include the border.
  */
-static void
-init_teximage_fields_ms(struct gl_context *ctx,
+void
+_mesa_init_teximage_fields_ms(struct gl_context *ctx,
                         struct gl_texture_image *img,
                         GLsizei width, GLsizei height, GLsizei depth,
                         GLint border, GLenum internalFormat,
                         mesa_format format,
                         GLuint numSamples, GLboolean fixedSampleLocations)
 {
+   const GLint base_format =_mesa_base_tex_format(ctx, internalFormat);
    GLenum target;
    assert(img);
    assert(width >= 0);
@@ -802,8 +835,8 @@ init_teximage_fields_ms(struct gl_context *ctx,
    assert(depth >= 0);
 
    target = img->TexObject->Target;
-   img->_BaseFormat = _mesa_base_tex_format( ctx, internalFormat );
-   assert(img->_BaseFormat != -1);
+   assert(base_format != -1);
+   img->_BaseFormat = (GLenum16)base_format;
    img->InternalFormat = internalFormat;
    img->Border = border;
    img->Width = width;
@@ -900,8 +933,8 @@ _mesa_init_teximage_fields(struct gl_context *ctx,
                            GLint border, GLenum internalFormat,
                            mesa_format format)
 {
-   init_teximage_fields_ms(ctx, img, width, height, depth, border,
-                           internalFormat, format, 0, GL_TRUE);
+   _mesa_init_teximage_fields_ms(ctx, img, width, height, depth, border,
+                                 internalFormat, format, 0, GL_TRUE);
 }
 
 
@@ -940,8 +973,7 @@ _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
    switch (target) {
    case GL_TEXTURE_1D:
    case GL_PROXY_TEXTURE_1D:
-      maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); /* level zero size */
-      maxSize >>= level;  /* level size */
+      maxSize = ctx->Const.MaxTextureSize >> level;
       if (width < 2 * border || width > 2 * border + maxSize)
          return GL_FALSE;
       if (!ctx->Extensions.ARB_texture_non_power_of_two) {
@@ -954,8 +986,7 @@ _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
    case GL_PROXY_TEXTURE_2D:
    case GL_TEXTURE_2D_MULTISAMPLE:
    case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
-      maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
-      maxSize >>= level;
+      maxSize = ctx->Const.MaxTextureSize >> level;
       if (width < 2 * border || width > 2 * border + maxSize)
          return GL_FALSE;
       if (height < 2 * border || height > 2 * border + maxSize)
@@ -1025,8 +1056,7 @@ _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
 
    case GL_TEXTURE_1D_ARRAY_EXT:
    case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
-      maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
-      maxSize >>= level;
+      maxSize = ctx->Const.MaxTextureSize >> level;
       if (width < 2 * border || width > 2 * border + maxSize)
          return GL_FALSE;
       if (height < 0 || height > ctx->Const.MaxArrayTextureLayers)
@@ -1041,8 +1071,7 @@ _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
    case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
    case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
    case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
-      maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
-      maxSize >>= level;
+      maxSize = ctx->Const.MaxTextureSize >> level;
       if (width < 2 * border || width > 2 * border + maxSize)
          return GL_FALSE;
       if (height < 2 * border || height > 2 * border + maxSize)
@@ -1133,7 +1162,8 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims,
    }
 
    if (xoffset + subWidth > (GLint) destImage->Width) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset+width)", func);
+      _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset %d + width %d > %u)", func,
+                  xoffset, subWidth, destImage->Width);
       return GL_TRUE;
    }
 
@@ -1145,7 +1175,8 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims,
          return GL_TRUE;
       }
       if (yoffset + subHeight > (GLint) destImage->Height) {
-         _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset+height)", func);
+         _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset %d + height %d > %u)",
+                     func, yoffset, subHeight, destImage->Height);
          return GL_TRUE;
       }
    }
@@ -1166,7 +1197,8 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims,
       if (target == GL_TEXTURE_CUBE_MAP)
          depth = 6;
       if (zoffset + subDepth  > depth) {
-         _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset+depth)", func);
+         _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset %d + depth %d > %u)",
+                     func, zoffset, subDepth, depth);
          return GL_TRUE;
       }
    }
@@ -1245,7 +1277,7 @@ error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims,
  */
 GLboolean
 _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target,
-                          GLuint numLevels, GLint level,
+                          GLuint numLevels, ASSERTED GLint level,
                           mesa_format format, GLuint numSamples,
                           GLint width, GLint height, GLint depth)
 {
@@ -1299,7 +1331,7 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target,
  * Return true if the format is only valid for glCompressedTexImage.
  */
 static bool
-compressedteximage_only_format(const struct gl_context *ctx, GLenum format)
+compressedteximage_only_format(GLenum format)
 {
    switch (format) {
    case GL_PALETTE4_RGB8_OES:
@@ -1312,6 +1344,9 @@ compressedteximage_only_format(const struct gl_context *ctx, GLenum format)
    case GL_PALETTE8_R5_G6_B5_OES:
    case GL_PALETTE8_RGBA4_OES:
    case GL_PALETTE8_RGB5_A1_OES:
+   case GL_ATC_RGB_AMD:
+   case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD:
+   case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
       return true;
    default:
       return false;
@@ -1322,11 +1357,11 @@ compressedteximage_only_format(const struct gl_context *ctx, GLenum format)
  * Return true if the format doesn't support online compression.
  */
 bool
-_mesa_format_no_online_compression(const struct gl_context *ctx, GLenum format)
+_mesa_format_no_online_compression(GLenum format)
 {
    return _mesa_is_astc_format(format) ||
           _mesa_is_etc2_format(format) ||
-          compressedteximage_only_format(ctx, format);
+          compressedteximage_only_format(format);
 }
 
 /* Writes to an GL error pointer if non-null and returns whether or not the
@@ -1409,8 +1444,26 @@ _mesa_target_can_be_compressed(const struct gl_context *ctx, GLenum target,
        *
        * This should also be applicable for glTexStorage3D(). Other available
        * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
+       *
+       * Section 8.7, page 179 of OpenGL ES 3.2 adds:
+       *
+       *      An INVALID_OPERATION error is generated by CompressedTexImage3D
+       *      if internalformat is one of the the formats in table 8.17 and target is
+       *      not TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY or TEXTURE_3D.
+       *
+       *      An INVALID_OPERATION error is generated by CompressedTexImage3D
+       *      if internalformat is TEXTURE_CUBE_MAP_ARRAY and the “Cube Map
+       *      Array” column of table 8.17 is not checked, or if internalformat
+       *      is TEXTURE_- 3D and the “3D Tex.” column of table 8.17 is not
+       *      checked.
+       *
+       * The instances of <internalformat> above should say <target>.
+       *
+       * Such table 8.17 has checked "Cube Map Array" column for all the
+       * cases. So in practice, TEXTURE_CUBE_MAP_ARRAY is now valid for OpenGL ES 3.2
        */
-      if (layout == MESA_FORMAT_LAYOUT_ETC2 && _mesa_is_gles3(ctx))
+      if (layout == MESA_FORMAT_LAYOUT_ETC2 && _mesa_is_gles3(ctx) &&
+          !_mesa_is_gles32(ctx))
             return write_error(error, GL_INVALID_OPERATION);
       target_can_be_compresed = _mesa_has_texture_cube_map_array(ctx);
       break;
@@ -1578,9 +1631,8 @@ legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target,
  * of GL_ARB_texture_storage/GL_ARB_bindless_texture).
  */
 static GLboolean
-mutable_tex_object(struct gl_context *ctx, GLenum target)
+mutable_tex_object(struct gl_texture_object *texObj)
 {
-   struct gl_texture_object *texObj = _mesa_get_current_tex_object(ctx, target);
    if (!texObj)
       return GL_FALSE;
 
@@ -1716,7 +1768,6 @@ texture_formats_agree(GLenum internalFormat,
  * \param format pixel data format given by the user.
  * \param type pixel data type given by the user.
  * \param internalFormat internal format given by the user.
- * \param dimensions texture image dimensions (must be 1, 2 or 3).
  * \param callerName name of the caller function to print in the error message
  *
  * \return true if a error is found, false otherwise
@@ -1725,31 +1776,17 @@ texture_formats_agree(GLenum internalFormat,
  */
 static bool
 texture_format_error_check_gles(struct gl_context *ctx, GLenum format,
-                                GLenum type, GLenum internalFormat,
-                                GLuint dimensions, const char *callerName)
+                                GLenum type, GLenum internalFormat, const char *callerName)
 {
-   GLenum err;
-
-   if (_mesa_is_gles3(ctx)) {
-      err = _mesa_es3_error_check_format_and_type(ctx, format, type,
-                                                  internalFormat);
-      if (err != GL_NO_ERROR) {
-         _mesa_error(ctx, err,
-                     "%s(format = %s, type = %s, internalformat = %s)",
-                     callerName, _mesa_enum_to_string(format),
-                     _mesa_enum_to_string(type),
-                     _mesa_enum_to_string(internalFormat));
-         return true;
-      }
-   }
-   else {
-      err = _mesa_es_error_check_format_and_type(ctx, format, type, dimensions);
-      if (err != GL_NO_ERROR) {
-         _mesa_error(ctx, err, "%s(format = %s, type = %s)",
-                     callerName, _mesa_enum_to_string(format),
-                     _mesa_enum_to_string(type));
-         return true;
-      }
+   GLenum err = _mesa_gles_error_check_format_and_type(ctx, format, type,
+                                                       internalFormat);
+   if (err != GL_NO_ERROR) {
+      _mesa_error(ctx, err,
+                  "%s(format = %s, type = %s, internalformat = %s)",
+                  callerName, _mesa_enum_to_string(format),
+                  _mesa_enum_to_string(type),
+                  _mesa_enum_to_string(internalFormat));
+      return true;
    }
 
    return false;
@@ -1783,6 +1820,7 @@ texture_format_error_check_gles(struct gl_context *ctx, GLenum format,
 static GLboolean
 texture_error_check( struct gl_context *ctx,
                      GLuint dimensions, GLenum target,
+                     struct gl_texture_object* texObj,
                      GLint level, GLint internalFormat,
                      GLenum format, GLenum type,
                      GLint width, GLint height,
@@ -1853,9 +1891,11 @@ texture_error_check( struct gl_context *ctx,
     * Formats and types that require additional extensions (e.g., GL_FLOAT
     * requires GL_OES_texture_float) are filtered elsewhere.
     */
+   char bufCallerName[20];
+   _mesa_snprintf(bufCallerName, 20, "glTexImage%dD", dimensions);
    if (_mesa_is_gles(ctx) &&
-       texture_format_error_check_gles(ctx, format, type, internalFormat,
-                                       dimensions, "glTexImage%dD")) {
+       texture_format_error_check_gles(ctx, format, type,
+                                       internalFormat, bufCallerName)) {
       return GL_TRUE;
    }
 
@@ -1921,7 +1961,7 @@ texture_error_check( struct gl_context *ctx,
                      "glTexImage%dD(target can't be compressed)", dimensions);
          return GL_TRUE;
       }
-      if (_mesa_format_no_online_compression(ctx, internalFormat)) {
+      if (_mesa_format_no_online_compression(internalFormat)) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                      "glTexImage%dD(no compression for format)", dimensions);
          return GL_TRUE;
@@ -1943,7 +1983,7 @@ texture_error_check( struct gl_context *ctx,
       return GL_TRUE;
    }
 
-   if (!mutable_tex_object(ctx, target)) {
+   if (!mutable_tex_object(texObj)) {
       _mesa_error(ctx, GL_INVALID_OPERATION,
                   "glTexImage%dD(immutable texture)", dimensions);
       return GL_TRUE;
@@ -1962,8 +2002,8 @@ texture_error_check( struct gl_context *ctx,
  */
 static GLenum
 compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
-                               GLenum target, GLint level,
-                               GLenum internalFormat, GLsizei width,
+                               GLenum target, struct gl_texture_object* texObj,
+                               GLint level, GLenum internalFormat, GLsizei width,
                                GLsizei height, GLsizei depth, GLint border,
                                GLsizei imageSize, const GLvoid *data)
 {
@@ -2079,7 +2119,7 @@ compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
       goto error;
    }
 
-   if (!mutable_tex_object(ctx, target)) {
+   if (!mutable_tex_object(texObj)) {
       reason = "immutable texture";
       error = GL_INVALID_OPERATION;
       goto error;
@@ -2125,7 +2165,7 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
                         GLint xoffset, GLint yoffset, GLint zoffset,
                         GLint width, GLint height, GLint depth,
                         GLenum format, GLenum type, const GLvoid *pixels,
-                        bool dsa, const char *callerName)
+                        const char *callerName)
 {
    struct gl_texture_image *texImage;
    GLenum err;
@@ -2151,8 +2191,8 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
    texImage = _mesa_select_tex_image(texObj, target, level);
    if (!texImage) {
       /* non-existant texture level */
-      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid texture image)",
-                  callerName);
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid texture level %d)",
+                  callerName, level);
       return GL_TRUE;
    }
 
@@ -2165,6 +2205,19 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
       return GL_TRUE;
    }
 
+   if (!texture_formats_agree(texImage->InternalFormat, format)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "%s(incompatible internalFormat = %s, format = %s)",
+                  callerName,
+                  _mesa_enum_to_string(texImage->InternalFormat),
+                  _mesa_enum_to_string(format));
+      return GL_TRUE;
+   }
+
+   GLenum internalFormat = _mesa_is_gles(ctx) ?
+      oes_float_internal_format(ctx, texImage->InternalFormat, type) :
+      texImage->InternalFormat;
+
    /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
     * combinations of format, internalFormat, and type that can be used.
     * Formats and types that require additional extensions (e.g., GL_FLOAT
@@ -2172,8 +2225,7 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
     */
    if (_mesa_is_gles(ctx) &&
        texture_format_error_check_gles(ctx, format, type,
-                                       texImage->InternalFormat,
-                                       dimensions, callerName)) {
+                                       internalFormat, callerName)) {
       return GL_TRUE;
    }
 
@@ -2191,7 +2243,7 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
    }
 
    if (_mesa_is_format_compressed(texImage->TexFormat)) {
-      if (_mesa_format_no_online_compression(ctx, texImage->InternalFormat)) {
+      if (_mesa_format_no_online_compression(texImage->InternalFormat)) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                "%s(no compression for format)", callerName);
          return GL_TRUE;
@@ -2232,8 +2284,8 @@ texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
  */
 static GLboolean
 copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
-                         GLenum target, GLint level, GLint internalFormat,
-                         GLint width, GLint height, GLint border )
+                         GLenum target, struct gl_texture_object* texObj,
+                         GLint level, GLint internalFormat, GLint border )
 {
    GLint baseFormat;
    GLint rb_base_format;
@@ -2345,8 +2397,8 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
 
    if (_mesa_is_gles(ctx)) {
       bool valid = true;
-      if (_mesa_base_format_component_count(baseFormat) >
-          _mesa_base_format_component_count(rb_base_format)) {
+      if (_mesa_components_in_format(baseFormat) >
+          _mesa_components_in_format(rb_base_format)) {
          valid = false;
       }
       if (baseFormat == GL_DEPTH_COMPONENT ||
@@ -2373,14 +2425,10 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
    }
 
    if (_mesa_is_gles3(ctx)) {
-      bool rb_is_srgb = false;
+      bool rb_is_srgb = (ctx->Extensions.EXT_sRGB &&
+                         _mesa_is_format_srgb(rb->Format));
       bool dst_is_srgb = false;
 
-      if (ctx->Extensions.EXT_framebuffer_sRGB &&
-          _mesa_get_format_color_encoding(rb->Format) == GL_SRGB) {
-         rb_is_srgb = true;
-      }
-
       if (_mesa_get_linear_internalformat(internalFormat) != internalFormat) {
          dst_is_srgb = true;
       }
@@ -2406,7 +2454,8 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
        * types for SNORM formats. Also, conversion to SNORM formats is not
        * allowed by Table 3.2 on Page 110.
        */
-      if (_mesa_is_enum_format_snorm(internalFormat)) {
+      if (!_mesa_has_EXT_render_snorm(ctx) &&
+          _mesa_is_enum_format_snorm(internalFormat)) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                      "glCopyTexImage%dD(internalFormat=%s)", dimensions,
                      _mesa_enum_to_string(internalFormat));
@@ -2441,7 +2490,8 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
                     _mesa_is_enum_format_unsigned_int(internalFormat) !=
                       _mesa_is_enum_format_unsigned_int(rb_internal_format)) {
             _mesa_error(ctx, GL_INVALID_OPERATION,
-                        "glCopyTexImage%dD(signed vs unsigned integer)", dimensions);
+                        "glCopyTexImage%dD(signed vs unsigned integer)",
+                        dimensions);
             return GL_TRUE;
          }
       }
@@ -2467,7 +2517,7 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
                      "glCopyTexImage%dD(target can't be compressed)", dimensions);
          return GL_TRUE;
       }
-      if (_mesa_format_no_online_compression(ctx, internalFormat)) {
+      if (_mesa_format_no_online_compression(internalFormat)) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                "glCopyTexImage%dD(no compression for format)", dimensions);
          return GL_TRUE;
@@ -2479,7 +2529,7 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
       }
    }
 
-   if (!mutable_tex_object(ctx, target)) {
+   if (!mutable_tex_object(texObj)) {
       _mesa_error(ctx, GL_INVALID_OPERATION,
                   "glCopyTexImage%dD(immutable texture)", dimensions);
       return GL_TRUE;
@@ -2533,7 +2583,7 @@ copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
    if (!texImage) {
       /* destination image does not exist */
       _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "%s(invalid texture image)", caller);
+                  "%s(invalid texture level %d)", caller, level);
       return GL_TRUE;
    }
 
@@ -2549,7 +2599,7 @@ copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
    }
 
    if (_mesa_is_format_compressed(texImage->TexFormat)) {
-      if (_mesa_format_no_online_compression(ctx, texImage->InternalFormat)) {
+      if (_mesa_format_no_online_compression(texImage->InternalFormat)) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                "%s(no compression for format)", caller);
          return GL_TRUE;
@@ -2561,6 +2611,20 @@ copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
       return GL_TRUE;
    }
 
+   /* From OpenGL ES 3.2 spec, section 8.6:
+    *
+    *     "An INVALID_OPERATION error is generated by CopyTexSubImage3D,
+    *      CopyTexImage2D, or CopyTexSubImage2D if the internalformat of the
+    *      texture image being (re)specified is RGB9_E5"
+    */
+   if (texImage->InternalFormat == GL_RGB9_E5 &&
+       !_mesa_is_desktop_gl(ctx)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "%s(invalid internal format %s)", caller,
+                  _mesa_enum_to_string(texImage->InternalFormat));
+      return GL_TRUE;
+   }
+
    if (!_mesa_source_buffer_exists(ctx, texImage->_BaseFormat)) {
       _mesa_error(ctx, GL_INVALID_OPERATION,
                   "%s(missing readbuffer, format=%s)", caller,
@@ -2614,7 +2678,7 @@ struct cb_info
  * Check render to texture callback.  Called from _mesa_HashWalk().
  */
 static void
-check_rtt_cb(GLuint key, void *data, void *userData)
+check_rtt_cb(UNUSED GLuint key, void *data, void *userData)
 {
    struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
    const struct cb_info *info = (struct cb_info *) userData;
@@ -2691,7 +2755,8 @@ check_gen_mipmap(struct gl_context *ctx, GLenum target,
 
 /** Debug helper: override the user-requested internal format */
 static GLenum
-override_internal_format(GLenum internalFormat, GLint width, GLint height)
+override_internal_format(GLenum internalFormat, UNUSED GLint width,
+                         UNUSED GLint height)
 {
 #if 0
    if (internalFormat == GL_RGBA16F_ARB ||
@@ -2752,7 +2817,7 @@ _mesa_choose_texture_format(struct gl_context *ctx,
    /* see if we've already chosen a format for the previous level */
    if (level > 0) {
       struct gl_texture_image *prevImage =
-        _mesa_select_tex_image(texObj, target, level - 1);
+         _mesa_select_tex_image(texObj, target, level - 1);
       /* See if the prev level is defined and has an internal format which
        * matches the new internal format.
        */
@@ -2765,38 +2830,6 @@ _mesa_choose_texture_format(struct gl_context *ctx,
       }
    }
 
-   /* If the application requested compression to an S3TC format but we don't
-    * have the DXTn library, force a generic compressed format instead.
-    */
-   if (internalFormat != format && format != GL_NONE) {
-      const GLenum before = internalFormat;
-
-      switch (internalFormat) {
-      case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
-         if (!ctx->Mesa_DXTn)
-            internalFormat = GL_COMPRESSED_RGB;
-         break;
-      case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
-      case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
-      case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
-         if (!ctx->Mesa_DXTn)
-            internalFormat = GL_COMPRESSED_RGBA;
-         break;
-      default:
-         break;
-      }
-
-      if (before != internalFormat) {
-         _mesa_warning(ctx,
-                       "DXT compression requested (%s), "
-                       "but libtxc_dxtn library not installed.  Using %s "
-                       "instead.",
-                       _mesa_enum_to_string(before),
-                       _mesa_enum_to_string(internalFormat));
-      }
-   }
-
-   /* choose format from scratch */
    f = ctx->Driver.ChooseTextureFormat(ctx, target, internalFormat,
                                        format, type);
    assert(f != MESA_FORMAT_NONE);
@@ -2849,10 +2882,70 @@ strip_texture_border(GLenum target,
    }
 }
 
+static struct gl_texture_object *
+lookup_texture_ext_dsa(struct gl_context *ctx, GLenum target, GLuint texture,
+                       const char *caller)
+{
+   GLenum boundTarget;
+   switch (target) {
+   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:
+      boundTarget = GL_TEXTURE_CUBE_MAP;
+      break;
+   default:
+      boundTarget = target;
+      break;
+   }
+
+   int targetIndex = _mesa_tex_target_to_index(ctx, boundTarget);
+   if (targetIndex < 0) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s(target = %s)", caller,
+                  _mesa_enum_to_string(target));
+            return NULL;
+   }
+   assert(targetIndex < NUM_TEXTURE_TARGETS);
+
+   struct gl_texture_object *texObj;
+   if (texture == 0) {
+      /* Use a default texture object */
+      texObj = ctx->Shared->DefaultTex[targetIndex];
+      assert(texObj);
+   } else {
+      texObj = _mesa_lookup_texture(ctx, texture);
+      if (!texObj && ctx->API == API_OPENGL_CORE) {
+         _mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-gen name)", caller);
+         return NULL;
+      }
+
+      if (!texObj) {
+         texObj = ctx->Driver.NewTextureObject(ctx, texture, boundTarget);
+         if (!texObj) {
+            _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller);
+            return NULL;
+         }
+
+         /* insert into hash table */
+         _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj);
+      }
+
+      if (texObj->Target != boundTarget) {
+         _mesa_error(ctx, GL_INVALID_OPERATION, "%s(%s != %s)",
+                     caller, _mesa_enum_to_string(texObj->Target),
+                     _mesa_enum_to_string(target));
+         return NULL;
+      }
+   }
+
+   return texObj;
+}
 
 /**
- * Common code to implement all the glTexImage1D/2D/3D functions
- * as well as glCompressedTexImage1D/2D/3D.
+ * Common code to implement all the glTexImage1D/2D/3D functions,
+ * glCompressedTexImage1D/2D/3D and glTextureImage1D/2D/3DEXT
  * \param compressed  only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
  * \param format  the user's image format (only used if !compressed)
  * \param type  the user's image type (only used if !compressed)
@@ -2860,6 +2953,7 @@ strip_texture_border(GLenum target,
  */
 static ALWAYS_INLINE void
 teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
+         struct gl_texture_object *texObj,
          GLenum target, GLint level, GLint internalFormat,
          GLsizei width, GLsizei height, GLsizei depth,
          GLint border, GLenum format, GLenum type,
@@ -2868,7 +2962,6 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
    const char *func = compressed ? "glCompressedTexImage" : "glTexImage";
    struct gl_pixelstore_attrib unpack_no_border;
    const struct gl_pixelstore_attrib *unpack = &ctx->Unpack;
-   struct gl_texture_object *texObj;
    mesa_format texFormat;
    bool dimensionsOK = true, sizeOK = true;
 
@@ -2895,28 +2988,33 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
 
    internalFormat = override_internal_format(internalFormat, width, height);
 
-   if (!no_error) {
-      /* target error checking */
-      if (!legal_teximage_target(ctx, dims, target)) {
-         _mesa_error(ctx, GL_INVALID_ENUM, "%s%uD(target=%s)",
-                     func, dims, _mesa_enum_to_string(target));
-         return;
-      }
+   if (!no_error &&
+       /* target error checking */
+       !legal_teximage_target(ctx, dims, target)) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s%uD(target=%s)",
+                  func, dims, _mesa_enum_to_string(target));
+      return;
+   }
 
+   if (!texObj)
+      texObj = _mesa_get_current_tex_object(ctx, target);
+
+   if (!no_error) {
       /* general error checking */
       if (compressed) {
-         if (compressed_texture_error_check(ctx, dims, target, level,
-                                            internalFormat,
+         if (compressed_texture_error_check(ctx, dims, target, texObj,
+                                            level, internalFormat,
                                             width, height, depth,
                                             border, imageSize, pixels))
             return;
       } else {
-         if (texture_error_check(ctx, dims, target, level, internalFormat,
+         if (texture_error_check(ctx, dims, target, texObj, level, internalFormat,
                                  format, type, width, height, depth, border,
                                  pixels))
             return;
       }
    }
+   assert(texObj);
 
    /* Here we convert a cpal compressed image into a regular glTexImage2D
     * call by decompressing the texture.  If we really want to support cpal
@@ -2940,9 +3038,6 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
       }
    }
 
-   texObj = _mesa_get_current_tex_object(ctx, target);
-   assert(texObj);
-
    if (compressed) {
       /* For glCompressedTexImage() the driver has no choice about the
        * texture format since we'll never transcode the user's compressed
@@ -3022,22 +3117,22 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
        * rarely-tested software fallback rendering.
        */
       if (border && ctx->Const.StripTextureBorder) {
-        strip_texture_border(target, &width, &height, &depth, unpack,
-                             &unpack_no_border);
+         strip_texture_border(target, &width, &height, &depth, unpack,
+                              &unpack_no_border);
          border = 0;
-        unpack = &unpack_no_border;
+         unpack = &unpack_no_border;
       }
 
       if (ctx->NewState & _NEW_PIXEL)
-        _mesa_update_state(ctx);
+         _mesa_update_state(ctx);
 
       _mesa_lock_texture(ctx, texObj);
       {
-        texImage = _mesa_get_tex_image(ctx, texObj, target, level);
+         texImage = _mesa_get_tex_image(ctx, texObj, target, level);
 
-        if (!texImage) {
-           _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims);
-        }
+         if (!texImage) {
+            _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims);
+         }
          else {
             ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
 
@@ -3068,6 +3163,7 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
    }
 }
 
+
 /* This is a wrapper around teximage() so that we can force the KHR_no_error
  * logic to be inlined without inlining the function into all the callers.
  */
@@ -3078,7 +3174,7 @@ teximage_err(struct gl_context *ctx, GLboolean compressed, GLuint dims,
              GLint border, GLenum format, GLenum type,
              GLsizei imageSize, const GLvoid *pixels)
 {
-   teximage(ctx, compressed, dims, target, level, internalFormat, width, height,
+   teximage(ctx, compressed, dims, NULL, target, level, internalFormat, width, height,
             depth, border, format, type, imageSize, pixels, false);
 }
 
@@ -3090,7 +3186,7 @@ teximage_no_error(struct gl_context *ctx, GLboolean compressed, GLuint dims,
                   GLint border, GLenum format, GLenum type,
                   GLsizei imageSize, const GLvoid *pixels)
 {
-   teximage(ctx, compressed, dims, target, level, internalFormat, width, height,
+   teximage(ctx, compressed, dims, NULL, target, level, internalFormat, width, height,
             depth, border, format, type, imageSize, pixels, true);
 }
 
@@ -3108,6 +3204,39 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
                 border, format, type, 0, pixels);
 }
 
+void GLAPIENTRY
+_mesa_TextureImage1DEXT(GLuint texture, GLenum target, GLint level,
+                      GLint internalFormat, GLsizei width, GLint border,
+                      GLenum format, GLenum type, const GLvoid *pixels )
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glTextureImage1DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_FALSE, 1, texObj, target, level, internalFormat,
+            width, 1, 1, border, format, type, 0, pixels, false);
+}
+
+void GLAPIENTRY
+_mesa_MultiTexImage1DEXT(GLenum texunit, GLenum target, GLint level,
+                         GLint internalFormat, GLsizei width, GLint border,
+                         GLenum format, GLenum type, const GLvoid *pixels )
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glMultiTexImage1DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_FALSE, 1, texObj, target, level, internalFormat, width, 1, 1,
+                border, format, type, 0, pixels, false);
+}
 
 void GLAPIENTRY
 _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
@@ -3120,6 +3249,41 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
                 border, format, type, 0, pixels);
 }
 
+void GLAPIENTRY
+_mesa_TextureImage2DEXT(GLuint texture, GLenum target, GLint level,
+                      GLint internalFormat, GLsizei width, GLsizei height,
+                      GLint border,
+                      GLenum format, GLenum type, const GLvoid *pixels )
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glTextureImage2DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_FALSE, 2, texObj, target, level, internalFormat,
+            width, height, 1, border, format, type, 0, pixels, false);
+}
+
+void GLAPIENTRY
+_mesa_MultiTexImage2DEXT(GLenum texunit, GLenum target, GLint level,
+                         GLint internalFormat, GLsizei width, GLsizei height,
+                         GLint border,
+                         GLenum format, GLenum type, const GLvoid *pixels )
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glMultiTexImage2DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_FALSE, 2, texObj, target, level, internalFormat, width, height, 1,
+                border, format, type, 0, pixels, false);
+}
 
 /*
  * Called by the API or display list executor.
@@ -3136,6 +3300,43 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
                 width, height, depth, border, format, type, 0, pixels);
 }
 
+void GLAPIENTRY
+_mesa_TextureImage3DEXT(GLuint texture, GLenum target, GLint level,
+                      GLint internalFormat, GLsizei width, GLsizei height,
+                      GLsizei depth, GLint border,
+                      GLenum format, GLenum type, const GLvoid *pixels )
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glTextureImage3DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_FALSE, 3, texObj, target, level, internalFormat,
+            width, height, depth, border, format, type, 0, pixels, false);
+}
+
+
+void GLAPIENTRY
+_mesa_MultiTexImage3DEXT(GLenum texunit, GLenum target, GLint level,
+                         GLint internalFormat, GLsizei width, GLsizei height,
+                         GLsizei depth, GLint border, GLenum format, GLenum type,
+                         const GLvoid *pixels )
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glMultiTexImage3DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_FALSE, 3, texObj, target, level, internalFormat,
+                width, height, depth, border, format, type, 0, pixels, false);
+}
+
 
 void GLAPIENTRY
 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat,
@@ -3239,14 +3440,13 @@ _mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
       ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
 
       ctx->Driver.EGLImageTargetTexture2D(ctx, target,
-                                         texObj, texImage, image);
+                                          texObj, texImage, image);
 
       _mesa_dirty_texobj(ctx, texObj);
    }
    _mesa_unlock_texture(ctx, texObj);
 }
 
-
 /**
  * Helper that implements the glTexSubImage1/2/3D()
  * and glTextureSubImage1/2/3D() functions.
@@ -3258,8 +3458,7 @@ texture_sub_image(struct gl_context *ctx, GLuint dims,
                   GLenum target, GLint level,
                   GLint xoffset, GLint yoffset, GLint zoffset,
                   GLsizei width, GLsizei height, GLsizei depth,
-                  GLenum format, GLenum type, const GLvoid *pixels,
-                  bool dsa)
+                  GLenum format, GLenum type, const GLvoid *pixels)
 {
    FLUSH_VERTICES(ctx, 0);
 
@@ -3326,7 +3525,7 @@ texsubimage_err(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
    if (texsubimage_error_check(ctx, dims, texObj, target, level,
                                xoffset, yoffset, zoffset,
                                width, height, depth, format, type,
-                               pixels, false, callerName)) {
+                               pixels, callerName)) {
       return;   /* error was detected */
    }
 
@@ -3343,7 +3542,7 @@ texsubimage_err(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
 
    texture_sub_image(ctx, dims, texObj, texImage, target, level,
                      xoffset, yoffset, zoffset, width, height, depth,
-                     format, type, pixels, false);
+                     format, type, pixels);
 }
 
 
@@ -3361,7 +3560,7 @@ texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
 
    texture_sub_image(ctx, dims, texObj, texImage, target, level,
                      xoffset, yoffset, zoffset, width, height, depth,
-                     format, type, pixels, false);
+                     format, type, pixels);
 }
 
 
@@ -3369,13 +3568,13 @@ texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
  * Implement all the glTextureSubImage1/2/3D() functions.
  * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
  */
-static void
+static ALWAYS_INLINE void
 texturesubimage(struct gl_context *ctx, GLuint dims,
-                GLuint texture, GLint level,
+                GLuint texture, GLenum target, GLint level,
                 GLint xoffset, GLint yoffset, GLint zoffset,
                 GLsizei width, GLsizei height, GLsizei depth,
                 GLenum format, GLenum type, const GLvoid *pixels,
-                const char *callerName)
+                const char *callerName, bool no_error, bool ext_dsa)
 {
    struct gl_texture_object *texObj;
    struct gl_texture_image *texImage;
@@ -3390,24 +3589,33 @@ texturesubimage(struct gl_context *ctx, GLuint dims,
                   _mesa_enum_to_string(type), pixels);
 
    /* Get the texture object by Name. */
-   texObj = _mesa_lookup_texture_err(ctx, texture, callerName);
-   if (!texObj)
-      return;
-
-   /* check target (proxies not allowed) */
-   if (!legal_texsubimage_target(ctx, dims, texObj->Target, true)) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "%s(target=%s)",
-                  callerName, _mesa_enum_to_string(texObj->Target));
-      return;
+   if (!no_error) {
+      if (!ext_dsa) {
+         texObj = _mesa_lookup_texture_err(ctx, texture, callerName);
+      } else {
+         texObj = lookup_texture_ext_dsa(ctx, target, texture, callerName);
+      }
+      if (!texObj)
+         return;
+   } else {
+      texObj = _mesa_lookup_texture(ctx, texture);
    }
 
-   if (texsubimage_error_check(ctx, dims, texObj, texObj->Target, level,
-                               xoffset, yoffset, zoffset,
-                               width, height, depth, format, type,
-                               pixels, true, callerName)) {
-      return;   /* error was detected */
-   }
+   if (!no_error) {
+      /* check target (proxies not allowed) */
+      if (!legal_texsubimage_target(ctx, dims, texObj->Target, true)) {
+         _mesa_error(ctx, GL_INVALID_ENUM, "%s(target=%s)",
+                     callerName, _mesa_enum_to_string(texObj->Target));
+         return;
+      }
 
+      if (texsubimage_error_check(ctx, dims, texObj, texObj->Target, level,
+                                  xoffset, yoffset, zoffset,
+                                  width, height, depth, format, type,
+                                  pixels, callerName)) {
+         return;   /* error was detected */
+      }
+   }
 
    /* Must handle special case GL_TEXTURE_CUBE_MAP. */
    if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
@@ -3442,7 +3650,7 @@ texturesubimage(struct gl_context *ctx, GLuint dims,
        * It seems reasonable to check for cube completeness of an arbitrary
        * level here so that the image data has a consistent format and size.
        */
-      if (!_mesa_cube_level_complete(texObj, level)) {
+      if (!no_error && !_mesa_cube_level_complete(texObj, level)) {
          _mesa_error(ctx, GL_INVALID_OPERATION,
                      "glTextureSubImage%uD(cube map incomplete)",
                      dims);
@@ -3459,7 +3667,7 @@ texturesubimage(struct gl_context *ctx, GLuint dims,
          texture_sub_image(ctx, 3, texObj, texImage, texObj->Target,
                            level, xoffset, yoffset, 0,
                            width, height, 1, format,
-                           type, pixels, true);
+                           type, pixels);
          pixels = (GLubyte *) pixels + imageStride;
       }
    }
@@ -3470,11 +3678,39 @@ texturesubimage(struct gl_context *ctx, GLuint dims,
       texture_sub_image(ctx, dims, texObj, texImage, texObj->Target,
                         level, xoffset, yoffset, zoffset,
                         width, height, depth, format,
-                        type, pixels, true);
+                        type, pixels);
    }
 }
 
 
+static void
+texturesubimage_error(struct gl_context *ctx, GLuint dims,
+                      GLuint texture, GLenum target, GLint level,
+                      GLint xoffset, GLint yoffset, GLint zoffset,
+                      GLsizei width, GLsizei height, GLsizei depth,
+                      GLenum format, GLenum type, const GLvoid *pixels,
+                      const char *callerName, bool ext_dsa)
+{
+   texturesubimage(ctx, dims, texture, target, level, xoffset, yoffset,
+                   zoffset, width, height, depth, format, type, pixels,
+                   callerName, false, ext_dsa);
+}
+
+
+static void
+texturesubimage_no_error(struct gl_context *ctx, GLuint dims,
+                         GLuint texture, GLenum target, GLint level,
+                         GLint xoffset, GLint yoffset, GLint zoffset,
+                         GLsizei width, GLsizei height, GLsizei depth,
+                         GLenum format, GLenum type, const GLvoid *pixels,
+                         const char *callerName, bool ext_dsa)
+{
+   texturesubimage(ctx, dims, texture, target, level, xoffset, yoffset,
+                   zoffset, width, height, depth, format, type, pixels,
+                   callerName, true, ext_dsa);
+}
+
+
 void GLAPIENTRY
 _mesa_TexSubImage1D_no_error(GLenum target, GLint level,
                              GLint xoffset, GLsizei width,
@@ -3562,51 +3798,192 @@ _mesa_TexSubImage3D( GLenum target, GLint level,
                    format, type, pixels, "glTexSubImage3D");
 }
 
+
 void GLAPIENTRY
-_mesa_TextureSubImage1D(GLuint texture, GLint level,
-                        GLint xoffset, GLsizei width,
-                        GLenum format, GLenum type,
-                        const GLvoid *pixels)
+_mesa_TextureSubImage1D_no_error(GLuint texture, GLint level, GLint xoffset,
+                                 GLsizei width, GLenum format, GLenum type,
+                                 const GLvoid *pixels)
 {
    GET_CURRENT_CONTEXT(ctx);
-   texturesubimage(ctx, 1, texture, level,
-                   xoffset, 0, 0,
-                   width, 1, 1,
-                   format, type, pixels, "glTextureSubImage1D");
+   texturesubimage_no_error(ctx, 1, texture, 0, level, xoffset, 0, 0, width,
+                            1, 1, format, type, pixels, "glTextureSubImage1D",
+                            false);
 }
 
 
 void GLAPIENTRY
-_mesa_TextureSubImage2D(GLuint texture, GLint level,
-                        GLint xoffset, GLint yoffset,
-                        GLsizei width, GLsizei height,
+_mesa_TextureSubImage1DEXT(GLuint texture, GLenum target, GLint level,
+                        GLint xoffset, GLsizei width,
                         GLenum format, GLenum type,
                         const GLvoid *pixels)
 {
    GET_CURRENT_CONTEXT(ctx);
-   texturesubimage(ctx, 2, texture, level,
-                   xoffset, yoffset, 0,
-                   width, height, 1,
-                   format, type, pixels, "glTextureSubImage2D");
+   texturesubimage_error(ctx, 1, texture, target, level, xoffset, 0, 0, width, 1,
+                         1, format, type, pixels, "glTextureSubImage1DEXT",
+                         false);
 }
 
 
 void GLAPIENTRY
-_mesa_TextureSubImage3D(GLuint texture, GLint level,
-                        GLint xoffset, GLint yoffset, GLint zoffset,
-                        GLsizei width, GLsizei height, GLsizei depth,
-                        GLenum format, GLenum type,
-                        const GLvoid *pixels)
+_mesa_MultiTexSubImage1DEXT(GLenum texunit, GLenum target, GLint level,
+                            GLint xoffset, GLsizei width,
+                            GLenum format, GLenum type,
+                            const GLvoid *pixels)
 {
    GET_CURRENT_CONTEXT(ctx);
-   texturesubimage(ctx, 3, texture, level,
-                   xoffset, yoffset, zoffset,
-                   width, height, depth,
-                   format, type, pixels, "glTextureSubImage3D");
+   struct gl_texture_object *texObj;
+   struct gl_texture_image *texImage;
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glMultiTexImage1DEXT");
+   texImage = _mesa_select_tex_image(texObj, target, level);
+
+   texture_sub_image(ctx, 1, texObj, texImage, target, level,
+                     xoffset, 0, 0, width, 1, 1,
+                     format, type, pixels);
 }
 
 
-/**
+void GLAPIENTRY
+_mesa_TextureSubImage1D(GLuint texture, GLint level,
+                        GLint xoffset, GLsizei width,
+                        GLenum format, GLenum type,
+                        const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   texturesubimage_error(ctx, 1, texture, 0, level, xoffset, 0, 0, width, 1,
+                         1, format, type, pixels, "glTextureSubImage1D",
+                         false);
+}
+
+
+void GLAPIENTRY
+_mesa_TextureSubImage2D_no_error(GLuint texture, GLint level, GLint xoffset,
+                                 GLint yoffset, GLsizei width, GLsizei height,
+                                 GLenum format, GLenum type,
+                                 const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   texturesubimage_no_error(ctx, 2, texture, 0, level, xoffset, yoffset, 0,
+                            width, height, 1, format, type, pixels,
+                            "glTextureSubImage2D", false);
+}
+
+
+void GLAPIENTRY
+_mesa_TextureSubImage2DEXT(GLuint texture, GLenum target, GLint level,
+                           GLint xoffset, GLint yoffset, GLsizei width,
+                           GLsizei height, GLenum format, GLenum type,
+                           const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   texturesubimage_error(ctx, 2, texture, target, level, xoffset, yoffset, 0,
+                         width, height, 1, format, type, pixels,
+                         "glTextureSubImage2DEXT", true);
+}
+
+
+void GLAPIENTRY
+_mesa_MultiTexSubImage2DEXT(GLenum texunit, GLenum target, GLint level,
+                            GLint xoffset, GLint yoffset, GLsizei width,
+                            GLsizei height, GLenum format, GLenum type,
+                            const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object *texObj;
+   struct gl_texture_image *texImage;
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glMultiTexImage2DEXT");
+   texImage = _mesa_select_tex_image(texObj, target, level);
+
+   texture_sub_image(ctx, 2, texObj, texImage, target, level,
+                     xoffset, yoffset, 0, width, height, 1,
+                     format, type, pixels);
+}
+
+
+void GLAPIENTRY
+_mesa_TextureSubImage2D(GLuint texture, GLint level,
+                        GLint xoffset, GLint yoffset,
+                        GLsizei width, GLsizei height,
+                        GLenum format, GLenum type,
+                        const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   texturesubimage_error(ctx, 2, texture, 0, level, xoffset, yoffset, 0,
+                         width, height, 1, format, type, pixels,
+                         "glTextureSubImage2D", false);
+}
+
+
+void GLAPIENTRY
+_mesa_TextureSubImage3D_no_error(GLuint texture, GLint level, GLint xoffset,
+                                 GLint yoffset, GLint zoffset, GLsizei width,
+                                 GLsizei height, GLsizei depth, GLenum format,
+                                 GLenum type, const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   texturesubimage_no_error(ctx, 3, texture, 0, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format, type,
+                            pixels, "glTextureSubImage3D", false);
+}
+
+
+void GLAPIENTRY
+_mesa_TextureSubImage3DEXT(GLuint texture, GLenum target, GLint level,
+                           GLint xoffset, GLint yoffset, GLint zoffset,
+                           GLsizei width, GLsizei height, GLsizei depth,
+                           GLenum format, GLenum type, const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   texturesubimage_error(ctx, 3, texture, target, level, xoffset, yoffset,
+                         zoffset, width, height, depth, format, type,
+                         pixels, "glTextureSubImage3DEXT", true);
+}
+
+
+void GLAPIENTRY
+_mesa_MultiTexSubImage3DEXT(GLenum texunit, GLenum target, GLint level,
+                           GLint xoffset, GLint yoffset, GLint zoffset,
+                           GLsizei width, GLsizei height, GLsizei depth,
+                           GLenum format, GLenum type, const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object *texObj;
+   struct gl_texture_image *texImage;
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false,
+                                                   "glMultiTexImage3DEXT");
+   texImage = _mesa_select_tex_image(texObj, target, level);
+
+   texture_sub_image(ctx, 3, texObj, texImage, target, level,
+                     xoffset, yoffset, zoffset, width, height, depth,
+                     format, type, pixels);
+}
+
+
+void GLAPIENTRY
+_mesa_TextureSubImage3D(GLuint texture, GLint level,
+                        GLint xoffset, GLint yoffset, GLint zoffset,
+                        GLsizei width, GLsizei height, GLsizei depth,
+                        GLenum format, GLenum type,
+                        const GLvoid *pixels)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   texturesubimage_error(ctx, 3, texture, 0, level, xoffset, yoffset, zoffset,
+                         width, height, depth, format, type, pixels,
+                         "glTextureSubImage3D", false);
+}
+
+
+/**
  * For glCopyTexSubImage, return the source renderbuffer to copy texel data
  * from.  This depends on whether the texture contains color or depth values.
  */
@@ -3624,6 +4001,7 @@ get_copy_tex_image_source(struct gl_context *ctx, mesa_format texFormat)
    }
 }
 
+
 static void
 copytexsubimage_by_slice(struct gl_context *ctx,
                          struct gl_texture_image *texImage,
@@ -3654,6 +4032,7 @@ copytexsubimage_by_slice(struct gl_context *ctx,
    }
 }
 
+
 static GLboolean
 formats_differ_in_component_sizes(mesa_format f1, mesa_format f2)
 {
@@ -3685,7 +4064,7 @@ formats_differ_in_component_sizes(mesa_format f1, mesa_format f2)
 static bool
 can_avoid_reallocation(const struct gl_texture_image *texImage,
                        GLenum internalFormat,
-                       mesa_format texFormat, GLint x, GLint y, GLsizei width,
+                       mesa_format texFormat, GLsizei width,
                        GLsizei height, GLint border)
 {
    if (texImage->InternalFormat != internalFormat)
@@ -3801,13 +4180,12 @@ copy_texture_sub_image_no_error(struct gl_context *ctx, GLuint dims,
  * Implement the glCopyTexImage1/2D() functions.
  */
 static ALWAYS_INLINE void
-copyteximage(struct gl_context *ctx, GLuint dims,
+copyteximage(struct gl_context *ctx, GLuint dims, struct gl_texture_object *texObj,
              GLenum target, GLint level, GLenum internalFormat,
              GLint x, GLint y, GLsizei width, GLsizei height, GLint border,
              bool no_error)
 {
    struct gl_texture_image *texImage;
-   struct gl_texture_object *texObj;
    mesa_format texFormat;
 
    FLUSH_VERTICES(ctx, 0);
@@ -3823,8 +4201,8 @@ copyteximage(struct gl_context *ctx, GLuint dims,
       _mesa_update_state(ctx);
 
    if (!no_error) {
-      if (copytexture_error_check(ctx, dims, target, level, internalFormat,
-                                  width, height, border))
+      if (copytexture_error_check(ctx, dims, target, texObj, level,
+                                  internalFormat, border))
          return;
 
       if (!_mesa_legal_texture_dimensions(ctx, target, level, width, height,
@@ -3836,7 +4214,6 @@ copyteximage(struct gl_context *ctx, GLuint dims,
       }
    }
 
-   texObj = _mesa_get_current_tex_object(ctx, target);
    assert(texObj);
 
    texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
@@ -3849,7 +4226,7 @@ copyteximage(struct gl_context *ctx, GLuint dims,
    {
       texImage = _mesa_select_tex_image(texObj, target, level);
       if (texImage && can_avoid_reallocation(texImage, internalFormat, texFormat,
-                                             x, y, width, height, border)) {
+                                             width, height, border)) {
          _mesa_unlock_texture(ctx, texObj);
          if (no_error) {
             copy_texture_sub_image_no_error(ctx, dims, texObj, target, level, 0,
@@ -3893,7 +4270,7 @@ copyteximage(struct gl_context *ctx, GLuint dims,
        */
       else if (formats_differ_in_component_sizes (texFormat, rb->Format)) {
             _mesa_error(ctx, GL_INVALID_OPERATION,
-                        "glCopyTexImage%uD(componenet size changed in"
+                        "glCopyTexImage%uD(component size changed in"
                         " internal format)", dims);
             return;
       }
@@ -3913,8 +4290,8 @@ copyteximage(struct gl_context *ctx, GLuint dims,
       x += border;
       width -= border * 2;
       if (dims == 2) {
-        y += border;
-        height -= border * 2;
+         y += border;
+         height -= border * 2;
       }
       border = 0;
    }
@@ -3924,7 +4301,7 @@ copyteximage(struct gl_context *ctx, GLuint dims,
       texImage = _mesa_get_tex_image(ctx, texObj, target, level);
 
       if (!texImage) {
-        _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims);
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims);
       }
       else {
          GLint srcX = x, srcY = y, dstX = 0, dstY = 0, dstZ = 0;
@@ -3963,20 +4340,24 @@ copyteximage(struct gl_context *ctx, GLuint dims,
 
 
 static void
-copyteximage_err(struct gl_context *ctx, GLuint dims, GLenum target,
+copyteximage_err(struct gl_context *ctx, GLuint dims,
+                 GLenum target,
                  GLint level, GLenum internalFormat, GLint x, GLint y,
                  GLsizei width, GLsizei height, GLint border)
 {
-   copyteximage(ctx, dims, target, level, internalFormat, x, y, width, height,
+   struct gl_texture_object* texObj = _mesa_get_current_tex_object(ctx, target);
+   copyteximage(ctx, dims, texObj, target, level, internalFormat, x, y, width, height,
                 border, false);
 }
 
+
 static void
 copyteximage_no_error(struct gl_context *ctx, GLuint dims, GLenum target,
                       GLint level, GLenum internalFormat, GLint x, GLint y,
                       GLsizei width, GLsizei height, GLint border)
 {
-   copyteximage(ctx, dims, target, level, internalFormat, x, y, width, height,
+   struct gl_texture_object* texObj = _mesa_get_current_tex_object(ctx, target);
+   copyteximage(ctx, dims, texObj, target, level, internalFormat, x, y, width, height,
                 border, true);
 }
 
@@ -3993,6 +4374,41 @@ _mesa_CopyTexImage1D( GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CopyTextureImage1DEXT( GLuint texture, GLenum target, GLint level,
+                             GLenum internalFormat,
+                             GLint x, GLint y,
+                             GLsizei width, GLint border )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object* texObj =
+      _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                     "glCopyTextureImage1DEXT");
+   if (!texObj)
+      return;
+   copyteximage(ctx, 1, texObj, target, level, internalFormat, x, y, width, 1,
+                border, false);
+}
+
+
+void GLAPIENTRY
+_mesa_CopyMultiTexImage1DEXT( GLenum texunit, GLenum target, GLint level,
+                              GLenum internalFormat,
+                              GLint x, GLint y,
+                              GLsizei width, GLint border )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object* texObj =
+      _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                             texunit - GL_TEXTURE0,
+                                             false,
+                                             "glCopyMultiTexImage1DEXT");
+   if (!texObj)
+      return;
+   copyteximage(ctx, 1, texObj, target, level, internalFormat, x, y, width, 1,
+                border, false);
+}
+
 
 void GLAPIENTRY
 _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
@@ -4005,6 +4421,43 @@ _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
 }
 
 
+void GLAPIENTRY
+_mesa_CopyTextureImage2DEXT( GLuint texture, GLenum target, GLint level,
+                             GLenum internalFormat,
+                             GLint x, GLint y,
+                             GLsizei width, GLsizei height,
+                             GLint border )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object* texObj =
+      _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                     "glCopyTextureImage2DEXT");
+   if (!texObj)
+      return;
+   copyteximage(ctx, 2, texObj, target, level, internalFormat, x, y, width, height,
+                border, false);
+}
+
+
+void GLAPIENTRY
+_mesa_CopyMultiTexImage2DEXT( GLenum texunit, GLenum target, GLint level,
+                              GLenum internalFormat,
+                              GLint x, GLint y,
+                              GLsizei width, GLsizei height, GLint border )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_texture_object* texObj =
+      _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                             texunit - GL_TEXTURE0,
+                                             false,
+                                             "glCopyMultiTexImage2DEXT");
+   if (!texObj)
+      return;
+   copyteximage(ctx, 2, texObj, target, level, internalFormat, x, y, width, height,
+                border, false);
+}
+
+
 void GLAPIENTRY
 _mesa_CopyTexImage1D_no_error(GLenum target, GLint level, GLenum internalFormat,
                               GLint x, GLint y, GLsizei width, GLint border)
@@ -4027,8 +4480,8 @@ _mesa_CopyTexImage2D_no_error(GLenum target, GLint level, GLenum internalFormat,
 
 
 void GLAPIENTRY
-_mesa_CopyTexSubImage1D( GLenum target, GLint level,
-                         GLint xoffset, GLint x, GLint y, GLsizei width )
+_mesa_CopyTexSubImage1D(GLenum target, GLint level,
+                        GLint xoffset, GLint x, GLint y, GLsizei width)
 {
    struct gl_texture_object* texObj;
    const char *self = "glCopyTexSubImage1D";
@@ -4051,10 +4504,11 @@ _mesa_CopyTexSubImage1D( GLenum target, GLint level,
                               x, y, width, 1, self);
 }
 
+
 void GLAPIENTRY
-_mesa_CopyTexSubImage2D( GLenum target, GLint level,
-                         GLint xoffset, GLint yoffset,
-                         GLint x, GLint y, GLsizei width, GLsizei height )
+_mesa_CopyTexSubImage2D(GLenum target, GLint level,
+                        GLint xoffset, GLint yoffset,
+                        GLint x, GLint y, GLsizei width, GLsizei height)
 {
    struct gl_texture_object* texObj;
    const char *self = "glCopyTexSubImage2D";
@@ -4078,11 +4532,10 @@ _mesa_CopyTexSubImage2D( GLenum target, GLint level,
 }
 
 
-
 void GLAPIENTRY
-_mesa_CopyTexSubImage3D( GLenum target, GLint level,
-                         GLint xoffset, GLint yoffset, GLint zoffset,
-                         GLint x, GLint y, GLsizei width, GLsizei height )
+_mesa_CopyTexSubImage3D(GLenum target, GLint level,
+                        GLint xoffset, GLint yoffset, GLint zoffset,
+                        GLint x, GLint y, GLsizei width, GLsizei height)
 {
    struct gl_texture_object* texObj;
    const char *self = "glCopyTexSubImage3D";
@@ -4105,6 +4558,7 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
                               zoffset, x, y, width, height, self);
 }
 
+
 void GLAPIENTRY
 _mesa_CopyTextureSubImage1D(GLuint texture, GLint level,
                             GLint xoffset, GLint x, GLint y, GLsizei width)
@@ -4128,6 +4582,51 @@ _mesa_CopyTextureSubImage1D(GLuint texture, GLint level,
                               0, x, y, width, 1, self);
 }
 
+
+void GLAPIENTRY
+_mesa_CopyTextureSubImage1DEXT(GLuint texture, GLenum target, GLint level,
+                               GLint xoffset, GLint x, GLint y, GLsizei width)
+{
+   struct gl_texture_object* texObj;
+   const char *self = "glCopyTextureSubImage1DEXT";
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           self);
+   if (!texObj)
+      return;
+
+   /* Check target (proxies not allowed). */
+   if (!legal_texsubimage_target(ctx, 1, texObj->Target, true)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self,
+                  _mesa_enum_to_string(texObj->Target));
+      return;
+   }
+
+   copy_texture_sub_image_err(ctx, 1, texObj, texObj->Target, level, xoffset, 0,
+                              0, x, y, width, 1, self);
+}
+
+
+void GLAPIENTRY
+_mesa_CopyMultiTexSubImage1DEXT(GLenum texunit, GLenum target, GLint level,
+                                GLint xoffset, GLint x, GLint y, GLsizei width)
+{
+   struct gl_texture_object* texObj;
+   const char *self = "glCopyMultiTexSubImage1DEXT";
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false, self);
+   if (!texObj)
+      return;
+
+   copy_texture_sub_image_err(ctx, 1, texObj, texObj->Target, level, xoffset, 0,
+                              0, x, y, width, 1, self);
+}
+
+
 void GLAPIENTRY
 _mesa_CopyTextureSubImage2D(GLuint texture, GLint level,
                             GLint xoffset, GLint yoffset,
@@ -4153,6 +4652,49 @@ _mesa_CopyTextureSubImage2D(GLuint texture, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CopyTextureSubImage2DEXT(GLuint texture, GLenum target, GLint level,
+                               GLint xoffset, GLint yoffset,
+                               GLint x, GLint y, GLsizei width, GLsizei height)
+{
+   struct gl_texture_object* texObj;
+   const char *self = "glCopyTextureSubImage2DEXT";
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true, self);
+   if (!texObj)
+      return;
+
+   /* Check target (proxies not allowed). */
+   if (!legal_texsubimage_target(ctx, 2, texObj->Target, true)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self,
+                  _mesa_enum_to_string(texObj->Target));
+      return;
+   }
+
+   copy_texture_sub_image_err(ctx, 2, texObj, texObj->Target, level, xoffset,
+                              yoffset, 0, x, y, width, height, self);
+}
+
+
+void GLAPIENTRY
+_mesa_CopyMultiTexSubImage2DEXT(GLenum texunit, GLenum target, GLint level,
+                               GLint xoffset, GLint yoffset,
+                               GLint x, GLint y, GLsizei width, GLsizei height)
+{
+   struct gl_texture_object* texObj;
+   const char *self = "glCopyMultiTexSubImage2DEXT";
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false, self);
+   if (!texObj)
+      return;
+
+   copy_texture_sub_image_err(ctx, 2, texObj, texObj->Target, level, xoffset,
+                              yoffset, 0, x, y, width, height, self);
+}
 
 void GLAPIENTRY
 _mesa_CopyTextureSubImage3D(GLuint texture, GLint level,
@@ -4187,6 +4729,67 @@ _mesa_CopyTextureSubImage3D(GLuint texture, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CopyTextureSubImage3DEXT(GLuint texture, GLenum target, GLint level,
+                               GLint xoffset, GLint yoffset, GLint zoffset,
+                               GLint x, GLint y, GLsizei width, GLsizei height)
+{
+   struct gl_texture_object* texObj;
+   const char *self = "glCopyTextureSubImage3D";
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true, self);
+   if (!texObj)
+      return;
+
+   /* Check target (proxies not allowed). */
+   if (!legal_texsubimage_target(ctx, 3, texObj->Target, true)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", self,
+                  _mesa_enum_to_string(texObj->Target));
+      return;
+   }
+
+   if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
+      /* Act like CopyTexSubImage2D */
+      copy_texture_sub_image_err(ctx, 2, texObj,
+                                GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset,
+                                level, xoffset, yoffset, 0, x, y, width, height,
+                                self);
+   }
+   else
+      copy_texture_sub_image_err(ctx, 3, texObj, texObj->Target, level, xoffset,
+                                 yoffset, zoffset, x, y, width, height, self);
+}
+
+
+void GLAPIENTRY
+_mesa_CopyMultiTexSubImage3DEXT(GLenum texunit, GLenum target, GLint level,
+                                GLint xoffset, GLint yoffset, GLint zoffset,
+                                GLint x, GLint y, GLsizei width, GLsizei height)
+{
+   struct gl_texture_object* texObj;
+   const char *self = "glCopyMultiTexSubImage3D";
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   false, self);
+   if (!texObj)
+      return;
+
+   if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
+      /* Act like CopyTexSubImage2D */
+      copy_texture_sub_image_err(ctx, 2, texObj,
+                                GL_TEXTURE_CUBE_MAP_POSITIVE_X + zoffset,
+                                level, xoffset, yoffset, 0, x, y, width, height,
+                                self);
+   }
+   else
+      copy_texture_sub_image_err(ctx, 3, texObj, texObj->Target, level, xoffset,
+                                 yoffset, zoffset, x, y, width, height, self);
+}
+
+
 void GLAPIENTRY
 _mesa_CopyTexSubImage1D_no_error(GLenum target, GLint level, GLint xoffset,
                                  GLint x, GLint y, GLsizei width)
@@ -4198,6 +4801,7 @@ _mesa_CopyTexSubImage1D_no_error(GLenum target, GLint level, GLint xoffset,
                                    x, y, width, 1);
 }
 
+
 void GLAPIENTRY
 _mesa_CopyTexSubImage2D_no_error(GLenum target, GLint level, GLint xoffset,
                                  GLint yoffset, GLint x, GLint y, GLsizei width,
@@ -4210,6 +4814,7 @@ _mesa_CopyTexSubImage2D_no_error(GLenum target, GLint level, GLint xoffset,
                                    yoffset, 0, x, y, width, height);
 }
 
+
 void GLAPIENTRY
 _mesa_CopyTexSubImage3D_no_error(GLenum target, GLint level, GLint xoffset,
                                  GLint yoffset, GLint zoffset, GLint x, GLint y,
@@ -4222,6 +4827,7 @@ _mesa_CopyTexSubImage3D_no_error(GLenum target, GLint level, GLint xoffset,
                                    yoffset, zoffset, x, y, width, height);
 }
 
+
 void GLAPIENTRY
 _mesa_CopyTextureSubImage1D_no_error(GLuint texture, GLint level, GLint xoffset,
                                      GLint x, GLint y, GLsizei width)
@@ -4233,6 +4839,7 @@ _mesa_CopyTextureSubImage1D_no_error(GLuint texture, GLint level, GLint xoffset,
                                    xoffset, 0, 0, x, y, width, 1);
 }
 
+
 void GLAPIENTRY
 _mesa_CopyTextureSubImage2D_no_error(GLuint texture, GLint level, GLint xoffset,
                                      GLint yoffset, GLint x, GLint y,
@@ -4245,6 +4852,7 @@ _mesa_CopyTextureSubImage2D_no_error(GLuint texture, GLint level, GLint xoffset,
                                    xoffset, yoffset, 0, x, y, width, height);
 }
 
+
 void GLAPIENTRY
 _mesa_CopyTextureSubImage3D_no_error(GLuint texture, GLint level, GLint xoffset,
                                      GLint yoffset, GLint zoffset, GLint x,
@@ -4340,6 +4948,7 @@ check_clear_tex_image(struct gl_context *ctx,
    return true;
 }
 
+
 static struct gl_texture_object *
 get_tex_obj_for_clear(struct gl_context *ctx,
                       const char *function,
@@ -4403,11 +5012,12 @@ get_tex_images_for_clear(struct gl_context *ctx,
    return numFaces;
 }
 
+
 void GLAPIENTRY
-_mesa_ClearTexSubImage( GLuint texture, GLint level,
-                        GLint xoffset, GLint yoffset, GLint zoffset,
-                        GLsizei width, GLsizei height, GLsizei depth,
-                        GLenum format, GLenum type, const void *data )
+_mesa_ClearTexSubImage(GLuint texture, GLint level,
+                       GLint xoffset, GLint yoffset, GLint zoffset,
+                       GLsizei width, GLsizei height, GLsizei depth,
+                       GLenum format, GLenum type, const void *data)
 {
    GET_CURRENT_CONTEXT(ctx);
    struct gl_texture_object *texObj;
@@ -4452,8 +5062,7 @@ _mesa_ClearTexSubImage( GLuint texture, GLint level,
    }
 
    if (numImages == 1) {
-      if (check_clear_tex_image(ctx, "glClearTexSubImage",
-                                texImages[0],
+      if (check_clear_tex_image(ctx, "glClearTexSubImage", texImages[0],
                                 format, type, data, clearValue[0])) {
          ctx->Driver.ClearTexSubImage(ctx,
                                       texImages[0],
@@ -4465,8 +5074,7 @@ _mesa_ClearTexSubImage( GLuint texture, GLint level,
       /* loop over cube face images */
       for (i = zoffset; i < zoffset + depth; i++) {
          assert(i < MAX_FACES);
-         if (!check_clear_tex_image(ctx, "glClearTexSubImage",
-                                    texImages[i],
+         if (!check_clear_tex_image(ctx, "glClearTexSubImage", texImages[i],
                                     format, type, data, clearValue[i]))
             goto out;
       }
@@ -4483,6 +5091,7 @@ _mesa_ClearTexSubImage( GLuint texture, GLint level,
    _mesa_unlock_texture(ctx, texObj);
 }
 
+
 void GLAPIENTRY
 _mesa_ClearTexImage( GLuint texture, GLint level,
                      GLenum format, GLenum type, const void *data )
@@ -4504,10 +5113,8 @@ _mesa_ClearTexImage( GLuint texture, GLint level,
                                         texObj, level, texImages);
 
    for (i = 0; i < numImages; i++) {
-      if (!check_clear_tex_image(ctx, "glClearTexImage",
-                                 texImages[i],
-                                 format, type, data,
-                                 clearValue[i]))
+      if (!check_clear_tex_image(ctx, "glClearTexImage", texImages[i], format,
+                                 type, data, clearValue[i]))
          goto out;
    }
 
@@ -4542,10 +5149,12 @@ out:
  */
 static GLboolean
 compressed_subtexture_target_check(struct gl_context *ctx, GLenum target,
-                                   GLint dims, GLenum format, bool dsa,
+                                   GLint dims, GLenum intFormat, bool dsa,
                                    const char *caller)
 {
    GLboolean targetOK;
+   mesa_format format;
+   enum mesa_format_layout layout;
 
    if (dsa && target == GL_TEXTURE_RECTANGLE) {
       _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid target %s)", caller,
@@ -4606,21 +5215,44 @@ compressed_subtexture_target_check(struct gl_context *ctx, GLenum target,
           * which is (at this time) only bptc. Otherwise we'd say s3tc (and
           * more) are valid here, which they are not, but of course not
           * mentioned by core spec.
+          *
+          * Also, from GL_KHR_texture_compression_astc_{hdr,ldr}:
+          *
+          *    "Add a second new column "3D Tex." which is empty for all non-ASTC
+          *     formats. If only the LDR profile is supported by the implementation,
+          *     this column is also empty for all ASTC formats. If both the LDR and HDR
+          *     profiles are supported, this column is checked for all ASTC formats."
+          *
+          *    "An INVALID_OPERATION error is generated by CompressedTexSubImage3D if
+          *     <format> is one of the formats in table 8.19 and <target> is not
+          *     TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY, or TEXTURE_3D.
+          *
+          *     An INVALID_OPERATION error is generated by CompressedTexSubImage3D if
+          *     <format> is TEXTURE_CUBE_MAP_ARRAY and the "Cube Map Array" column of
+          *     table 8.19 is *not* checked, or if <format> is TEXTURE_3D and the "3D
+          *     Tex." column of table 8.19 is *not* checked"
+          *
+          * And from GL_KHR_texture_compression_astc_sliced_3d:
+          *
+          *    "Modify the "3D Tex." column to be checked for all ASTC formats."
           */
-         switch (format) {
-         /* These are the only 3D compression formats supported at this time */
-         case GL_COMPRESSED_RGBA_BPTC_UNORM:
-         case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
-         case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT:
-         case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
+         format = _mesa_glenum_to_compressed_format(intFormat);
+         layout = _mesa_get_format_layout(format);
+         switch (layout) {
+         case MESA_FORMAT_LAYOUT_BPTC:
             /* valid format */
             break;
+         case MESA_FORMAT_LAYOUT_ASTC:
+            targetOK =
+               ctx->Extensions.KHR_texture_compression_astc_hdr ||
+               ctx->Extensions.KHR_texture_compression_astc_sliced_3d;
+            break;
          default:
             /* invalid format */
             _mesa_error(ctx, GL_INVALID_OPERATION,
                         "%s(invalid target %s for format %s)", caller,
                         _mesa_enum_to_string(target),
-                        _mesa_enum_to_string(format));
+                        _mesa_enum_to_string(intFormat));
             return GL_TRUE;
          }
          break;
@@ -4663,15 +5295,12 @@ compressed_subtexture_error_check(struct gl_context *ctx, GLint dims,
 
    /* this will catch any invalid compressed format token */
    if (!_mesa_is_compressed_format(ctx, format)) {
-      _mesa_error(ctx, GL_INVALID_ENUM,
-                  "%s(format)", callerName);
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s(format)", callerName);
       return GL_TRUE;
    }
 
    if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
-      _mesa_error(ctx, GL_INVALID_VALUE,
-                  "%s(level=%d)",
-                  callerName, level);
+      _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", callerName, level);
       return GL_TRUE;
    }
 
@@ -4689,43 +5318,36 @@ compressed_subtexture_error_check(struct gl_context *ctx, GLint dims,
 
    expectedSize = compressed_tex_size(width, height, depth, format);
    if (expectedSize != imageSize) {
-      _mesa_error(ctx, GL_INVALID_VALUE,
-                  "%s(size=%d)",
-                  callerName, imageSize);
+      _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d)", callerName, imageSize);
       return GL_TRUE;
    }
 
    texImage = _mesa_select_tex_image(texObj, target, level);
    if (!texImage) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "%s(invalid texture image)",
-                  callerName);
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid texture level %d)",
+                  callerName, level);
       return GL_TRUE;
    }
 
    if ((GLint) format != texImage->InternalFormat) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "%s(format=%s)",
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format=%s)",
                   callerName, _mesa_enum_to_string(format));
       return GL_TRUE;
    }
 
-   if (compressedteximage_only_format(ctx, format)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "%s(format=%s cannot be updated)",
+   if (compressedteximage_only_format(format)) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format=%s cannot be updated)",
                   callerName, _mesa_enum_to_string(format));
       return GL_TRUE;
    }
 
-   if (error_check_subtexture_negative_dimensions(ctx, dims,
-                                                  width, height, depth,
-                                                  callerName)) {
+   if (error_check_subtexture_negative_dimensions(ctx, dims, width, height,
+                                                  depth, callerName)) {
       return GL_TRUE;
    }
 
-   if (error_check_subtexture_dimensions(ctx, dims,
-                                         texImage, xoffset, yoffset, zoffset,
-                                         width, height, depth,
+   if (error_check_subtexture_dimensions(ctx, dims, texImage, xoffset, yoffset,
+                                         zoffset, width, height, depth,
                                          callerName)) {
       return GL_TRUE;
    }
@@ -4746,6 +5368,44 @@ _mesa_CompressedTexImage1D(GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CompressedTextureImage1DEXT(GLuint texture, GLenum target, GLint level,
+                                  GLenum internalFormat, GLsizei width,
+                                  GLint border, GLsizei imageSize,
+                                  const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glCompressedTextureImage1DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 1, texObj, target, level, internalFormat,
+            width, 1, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexImage1DEXT(GLenum texunit, GLenum target, GLint level,
+                                   GLenum internalFormat, GLsizei width,
+                                   GLint border, GLsizei imageSize,
+                                   const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glCompressedMultiTexImage1DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 1, texObj, target, level, internalFormat,
+            width, 1, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
 void GLAPIENTRY
 _mesa_CompressedTexImage2D(GLenum target, GLint level,
                               GLenum internalFormat, GLsizei width,
@@ -4758,6 +5418,44 @@ _mesa_CompressedTexImage2D(GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CompressedTextureImage2DEXT(GLuint texture, GLenum target, GLint level,
+                                  GLenum internalFormat, GLsizei width,
+                                  GLsizei height, GLint border, GLsizei imageSize,
+                                  const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glCompressedTextureImage2DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 2, texObj, target, level, internalFormat,
+            width, height, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexImage2DEXT(GLenum texunit, GLenum target, GLint level,
+                                   GLenum internalFormat, GLsizei width,
+                                   GLsizei height, GLint border, GLsizei imageSize,
+                                   const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glCompressedMultiTexImage2DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 2, texObj, target, level, internalFormat,
+            width, height, 1, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
 void GLAPIENTRY
 _mesa_CompressedTexImage3D(GLenum target, GLint level,
                               GLenum internalFormat, GLsizei width,
@@ -4770,6 +5468,44 @@ _mesa_CompressedTexImage3D(GLenum target, GLint level,
 }
 
 
+void GLAPIENTRY
+_mesa_CompressedTextureImage3DEXT(GLuint texture, GLenum target, GLint level,
+                                  GLenum internalFormat, GLsizei width,
+                                  GLsizei height, GLsizei depth, GLint border,
+                                  GLsizei imageSize, const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
+                                           "glCompressedTextureImage3DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 3, texObj, target, level, internalFormat,
+            width, height, depth, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexImage3DEXT(GLenum texunit, GLenum target, GLint level,
+                                   GLenum internalFormat, GLsizei width,
+                                   GLsizei height, GLsizei depth, GLint border,
+                                   GLsizei imageSize, const GLvoid *pixels)
+{
+   struct gl_texture_object*  texObj;
+   GET_CURRENT_CONTEXT(ctx);
+
+   texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                   texunit - GL_TEXTURE0,
+                                                   true,
+                                                   "glCompressedMultiTexImage3DEXT");
+   if (!texObj)
+      return;
+   teximage(ctx, GL_TRUE, 3, texObj, target, level, internalFormat,
+            width, height, depth, border, GL_NONE, GL_NONE, imageSize, pixels, false);
+}
+
+
 void GLAPIENTRY
 _mesa_CompressedTexImage1D_no_error(GLenum target, GLint level,
                                     GLenum internalFormat, GLsizei width,
@@ -4840,43 +5576,80 @@ compressed_texture_sub_image(struct gl_context *ctx, GLuint dims,
 }
 
 
-static ALWAYS_INLINE void
-compressed_tex_sub_image(unsigned dim, GLenum target, GLuint texture,
+enum tex_mode {
+   /* Use bound texture to current unit */
+   TEX_MODE_CURRENT_NO_ERROR = 0,
+   TEX_MODE_CURRENT_ERROR,
+   /* Use the specified texture name */
+   TEX_MODE_DSA_NO_ERROR,
+   TEX_MODE_DSA_ERROR,
+   /* Use the specified texture name + target */
+   TEX_MODE_EXT_DSA_TEXTURE,
+   /* Use the specified texture unit + target */
+   TEX_MODE_EXT_DSA_TEXUNIT,
+};
+
+
+static void
+compressed_tex_sub_image(unsigned dim, GLenum target, GLuint textureOrIndex,
                          GLint level, GLint xoffset, GLint yoffset,
                          GLint zoffset, GLsizei width, GLsizei height,
                          GLsizei depth, GLenum format, GLsizei imageSize,
-                         const GLvoid *data, bool dsa, bool no_error,
+                         const GLvoid *data, enum tex_mode mode,
                          const char *caller)
 {
-   struct gl_texture_object *texObj;
+   struct gl_texture_object *texObj = NULL;
    struct gl_texture_image *texImage;
-
+   bool no_error = false;
    GET_CURRENT_CONTEXT(ctx);
 
-   if (dsa) {
-      if (no_error) {
-         texObj = _mesa_lookup_texture(ctx, texture);
-      } else {
-         texObj = _mesa_lookup_texture_err(ctx, texture, caller);
-         if (!texObj)
-            return;
-      }
-
-      target = texObj->Target;
+   switch (mode) {
+      case TEX_MODE_DSA_ERROR:
+         assert(target == 0);
+         texObj = _mesa_lookup_texture_err(ctx, textureOrIndex, caller);
+         if (texObj)
+            target = texObj->Target;
+         break;
+      case TEX_MODE_DSA_NO_ERROR:
+         assert(target == 0);
+         texObj = _mesa_lookup_texture(ctx, textureOrIndex);
+         if (texObj)
+            target = texObj->Target;
+         no_error = true;
+         break;
+      case TEX_MODE_EXT_DSA_TEXTURE:
+         texObj = _mesa_lookup_or_create_texture(ctx, target, textureOrIndex,
+                                                 false, true, caller);
+         break;
+      case TEX_MODE_EXT_DSA_TEXUNIT:
+         texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
+                                                         textureOrIndex,
+                                                         false,
+                                                         caller);
+         break;
+      case TEX_MODE_CURRENT_NO_ERROR:
+         no_error = true;
+      case TEX_MODE_CURRENT_ERROR:
+      default:
+         assert(textureOrIndex == 0);
+         break;
    }
 
    if (!no_error &&
-       compressed_subtexture_target_check(ctx, target, dim, format, dsa,
+       compressed_subtexture_target_check(ctx, target, dim, format,
+                                          mode == TEX_MODE_DSA_ERROR,
                                           caller)) {
       return;
    }
 
-   if (!dsa) {
+   if (mode == TEX_MODE_CURRENT_NO_ERROR ||
+       mode == TEX_MODE_CURRENT_ERROR) {
       texObj = _mesa_get_current_tex_object(ctx, target);
-         if (!no_error && !texObj)
-            return;
    }
 
+   if (!texObj)
+      return;
+
    if (!no_error &&
        compressed_subtexture_error_check(ctx, dim, texObj, target, level,
                                          xoffset, yoffset, zoffset, width,
@@ -4886,7 +5659,9 @@ compressed_tex_sub_image(unsigned dim, GLenum target, GLuint texture,
    }
 
    /* Must handle special case GL_TEXTURE_CUBE_MAP. */
-   if (dim == 3 && dsa && texObj->Target == GL_TEXTURE_CUBE_MAP) {
+   if (dim == 3 &&
+       (mode == TEX_MODE_DSA_ERROR || mode == TEX_MODE_DSA_NO_ERROR) &&
+       texObj->Target == GL_TEXTURE_CUBE_MAP) {
       const char *pixels = data;
       GLint image_stride;
 
@@ -4901,13 +5676,13 @@ compressed_tex_sub_image(unsigned dim, GLenum target, GLuint texture,
       }
 
       /* Copy in each face. */
-      for (int i = 0; i < 6; ++i) {
+      for (int i = zoffset; i < zoffset + depth; ++i) {
          texImage = texObj->Image[i][level];
          assert(texImage);
 
          compressed_texture_sub_image(ctx, 3, texObj, texImage,
                                       texObj->Target, level, xoffset, yoffset,
-                                      zoffset, width, height, 1, format,
+                                      0, width, height, 1, format,
                                       imageSize, pixels);
 
          /* Compressed images don't have a client format */
@@ -4928,31 +5703,6 @@ compressed_tex_sub_image(unsigned dim, GLenum target, GLuint texture,
    }
 }
 
-static void
-compressed_tex_sub_image_error(unsigned dim, GLenum target, GLuint texture,
-                               GLint level, GLint xoffset, GLint yoffset,
-                               GLint zoffset, GLsizei width, GLsizei height,
-                               GLsizei depth, GLenum format, GLsizei imageSize,
-                               const GLvoid *data, bool dsa,
-                               const char *caller)
-{
-   compressed_tex_sub_image(dim, target, texture, level, xoffset, yoffset,
-                            zoffset, width, height, depth, format, imageSize,
-                            data, dsa, false, caller);
-}
-
-static void
-compressed_tex_sub_image_no_error(unsigned dim, GLenum target, GLuint texture,
-                                  GLint level, GLint xoffset, GLint yoffset,
-                                  GLint zoffset, GLsizei width, GLsizei height,
-                                  GLsizei depth, GLenum format, GLsizei imageSize,
-                                  const GLvoid *data, bool dsa,
-                                  const char *caller)
-{
-   compressed_tex_sub_image(dim, target, texture, level, xoffset, yoffset,
-                            zoffset, width, height, depth, format, imageSize,
-                            data, dsa, true, caller);
-}
 
 void GLAPIENTRY
 _mesa_CompressedTexSubImage1D_no_error(GLenum target, GLint level,
@@ -4960,9 +5710,11 @@ _mesa_CompressedTexSubImage1D_no_error(GLenum target, GLint level,
                                        GLenum format, GLsizei imageSize,
                                        const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(1, target, 0, level, xoffset, 0, 0, width,
-                                     1, 1, format, imageSize, data, false,
-                                     "glCompressedTexSubImage1D");
+   compressed_tex_sub_image(1, target, 0,
+                            level, xoffset, 0, 0, width,
+                            1, 1, format, imageSize, data,
+                            TEX_MODE_CURRENT_NO_ERROR,
+                            "glCompressedTexSubImage1D");
 }
 
 
@@ -4971,9 +5723,11 @@ _mesa_CompressedTexSubImage1D(GLenum target, GLint level, GLint xoffset,
                               GLsizei width, GLenum format,
                               GLsizei imageSize, const GLvoid *data)
 {
-   compressed_tex_sub_image_error(1, target, 0, level, xoffset, 0, 0, width, 1,
-                                  1, format, imageSize, data, false,
-                                  "glCompressedTexSubImage1D");
+   compressed_tex_sub_image(1, target, 0,
+                            level, xoffset, 0, 0, width,
+                            1, 1, format, imageSize, data,
+                            TEX_MODE_CURRENT_ERROR,
+                            "glCompressedTexSubImage1D");
 }
 
 
@@ -4983,9 +5737,11 @@ _mesa_CompressedTextureSubImage1D_no_error(GLuint texture, GLint level,
                                            GLenum format, GLsizei imageSize,
                                            const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(1, 0, texture, level, xoffset, 0, 0, width,
-                                     1, 1, format, imageSize, data, true,
-                                     "glCompressedTextureSubImage1D");
+   compressed_tex_sub_image(1, 0, texture,
+                            level, xoffset, 0, 0,
+                            width, 1, 1, format, imageSize, data,
+                            TEX_MODE_DSA_NO_ERROR,
+                            "glCompressedTextureSubImage1D");
 }
 
 
@@ -4994,11 +5750,42 @@ _mesa_CompressedTextureSubImage1D(GLuint texture, GLint level, GLint xoffset,
                                   GLsizei width, GLenum format,
                                   GLsizei imageSize, const GLvoid *data)
 {
-   compressed_tex_sub_image_error(1, 0, texture, level, xoffset, 0, 0, width,
-                                  1, 1, format, imageSize, data, true,
-                                  "glCompressedTextureSubImage1D");
+   compressed_tex_sub_image(1, 0, texture,
+                            level, xoffset, 0, 0,
+                            width, 1, 1, format, imageSize, data,
+                            TEX_MODE_DSA_ERROR,
+                            "glCompressedTextureSubImage1D");
 }
 
+
+void GLAPIENTRY
+_mesa_CompressedTextureSubImage1DEXT(GLuint texture, GLenum target,
+                                     GLint level, GLint xoffset,
+                                     GLsizei width, GLenum format,
+                                     GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(1, target, texture, level, xoffset, 0,
+                            0, width, 1, 1, format, imageSize,
+                            data,
+                            TEX_MODE_EXT_DSA_TEXTURE,
+                            "glCompressedTextureSubImage1DEXT");
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexSubImage1DEXT(GLenum texunit, GLenum target,
+                                      GLint level, GLint xoffset,
+                                      GLsizei width, GLenum format,
+                                      GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(1, target, texunit - GL_TEXTURE0, level,
+                            xoffset, 0, 0, width, 1, 1, format, imageSize,
+                            data,
+                            TEX_MODE_EXT_DSA_TEXUNIT,
+                            "glCompressedMultiTexSubImage1DEXT");
+}
+
+
 void GLAPIENTRY
 _mesa_CompressedTexSubImage2D_no_error(GLenum target, GLint level,
                                        GLint xoffset, GLint yoffset,
@@ -5006,9 +5793,11 @@ _mesa_CompressedTexSubImage2D_no_error(GLenum target, GLint level,
                                        GLenum format, GLsizei imageSize,
                                        const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(2, target, 0, level, xoffset, yoffset, 0,
-                                     width, height, 1, format, imageSize, data,
-                                     false, "glCompressedTexSubImage2D");
+   compressed_tex_sub_image(2, target, 0, level,
+                            xoffset, yoffset, 0,
+                            width, height, 1, format, imageSize, data,
+                            TEX_MODE_CURRENT_NO_ERROR,
+                            "glCompressedTexSubImage2D");
 }
 
 
@@ -5018,9 +5807,40 @@ _mesa_CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset,
                               GLenum format, GLsizei imageSize,
                               const GLvoid *data)
 {
-   compressed_tex_sub_image_error(2, target, 0, level, xoffset, yoffset, 0,
-                                  width, height, 1, format, imageSize, data,
-                                  false, "glCompressedTexSubImage2D");
+   compressed_tex_sub_image(2, target, 0, level,
+                            xoffset, yoffset, 0,
+                            width, height, 1, format, imageSize, data,
+                            TEX_MODE_CURRENT_ERROR,
+                            "glCompressedTexSubImage2D");
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedTextureSubImage2DEXT(GLuint texture, GLenum target,
+                                     GLint level, GLint xoffset,
+                                     GLint yoffset, GLsizei width,
+                                     GLsizei height, GLenum format,
+                                     GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(2, target, texture, level, xoffset,
+                            yoffset, 0, width, height, 1, format,
+                            imageSize, data,
+                            TEX_MODE_EXT_DSA_TEXTURE,
+                            "glCompressedTextureSubImage2DEXT");
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexSubImage2DEXT(GLenum texunit, GLenum target,
+                                      GLint level, GLint xoffset, GLint yoffset,
+                                      GLsizei width, GLsizei height, GLenum format,
+                                      GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(2, target, texunit - GL_TEXTURE0, level,
+                            xoffset, yoffset, 0, width, height, 1, format,
+                            imageSize, data,
+                            TEX_MODE_EXT_DSA_TEXUNIT,
+                            "glCompressedMultiTexSubImage2DEXT");
 }
 
 
@@ -5031,9 +5851,10 @@ _mesa_CompressedTextureSubImage2D_no_error(GLuint texture, GLint level,
                                            GLenum format, GLsizei imageSize,
                                            const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(2, 0, texture, level, xoffset, yoffset, 0,
-                                     width, height, 1, format, imageSize, data,
-                                     true, "glCompressedTextureSubImage2D");
+   compressed_tex_sub_image(2, 0, texture, level, xoffset, yoffset, 0,
+                            width, height, 1, format, imageSize, data,
+                            TEX_MODE_DSA_NO_ERROR,
+                            "glCompressedTextureSubImage2D");
 }
 
 
@@ -5044,9 +5865,10 @@ _mesa_CompressedTextureSubImage2D(GLuint texture, GLint level, GLint xoffset,
                                   GLenum format, GLsizei imageSize,
                                   const GLvoid *data)
 {
-   compressed_tex_sub_image_error(2, 0, texture, level, xoffset, yoffset, 0,
-                                  width, height, 1, format, imageSize, data,
-                                  true, "glCompressedTextureSubImage2D");
+   compressed_tex_sub_image(2, 0, texture, level, xoffset, yoffset, 0,
+                            width, height, 1, format, imageSize, data,
+                            TEX_MODE_DSA_ERROR,
+                            "glCompressedTextureSubImage2D");
 }
 
 void GLAPIENTRY
@@ -5057,10 +5879,11 @@ _mesa_CompressedTexSubImage3D_no_error(GLenum target, GLint level,
                                        GLenum format, GLsizei imageSize,
                                        const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(3, target, 0, level, xoffset, yoffset,
-                                     zoffset, width, height, depth, format,
-                                     imageSize, data, false,
-                                     "glCompressedTexSubImage3D");
+   compressed_tex_sub_image(3, target, 0, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format,
+                            imageSize, data,
+                            TEX_MODE_CURRENT_NO_ERROR,
+                            "glCompressedTexSubImage3D");
 }
 
 void GLAPIENTRY
@@ -5069,10 +5892,11 @@ _mesa_CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset,
                               GLsizei height, GLsizei depth, GLenum format,
                               GLsizei imageSize, const GLvoid *data)
 {
-   compressed_tex_sub_image_error(3, target, 0, level, xoffset, yoffset,
-                                  zoffset, width, height, depth, format,
-                                  imageSize, data, false,
-                                  "glCompressedTexSubImage3D");
+   compressed_tex_sub_image(3, target, 0, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format,
+                            imageSize, data,
+                            TEX_MODE_CURRENT_ERROR,
+                            "glCompressedTexSubImage3D");
 }
 
 void GLAPIENTRY
@@ -5083,10 +5907,11 @@ _mesa_CompressedTextureSubImage3D_no_error(GLuint texture, GLint level,
                                            GLenum format, GLsizei imageSize,
                                            const GLvoid *data)
 {
-   compressed_tex_sub_image_no_error(3, 0, texture, level, xoffset, yoffset,
-                                     zoffset, width, height, depth, format,
-                                     imageSize, data, true,
-                                     "glCompressedTextureSubImage3D");
+   compressed_tex_sub_image(3, 0, texture, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format,
+                            imageSize, data,
+                            TEX_MODE_DSA_NO_ERROR,
+                            "glCompressedTextureSubImage3D");
 }
 
 void GLAPIENTRY
@@ -5096,14 +5921,47 @@ _mesa_CompressedTextureSubImage3D(GLuint texture, GLint level, GLint xoffset,
                                   GLenum format, GLsizei imageSize,
                                   const GLvoid *data)
 {
-   compressed_tex_sub_image_error(3, 0, texture, level, xoffset, yoffset,
-                                  zoffset, width, height, depth, format,
-                                  imageSize, data, true,
-                                  "glCompressedTextureSubImage3D");
+   compressed_tex_sub_image(3, 0, texture, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format,
+                            imageSize, data,
+                            TEX_MODE_DSA_ERROR,
+                            "glCompressedTextureSubImage3D");
 }
 
-static mesa_format
-get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
+
+void GLAPIENTRY
+_mesa_CompressedTextureSubImage3DEXT(GLuint texture, GLenum target,
+                                     GLint level, GLint xoffset,
+                                     GLint yoffset, GLint zoffset,
+                                     GLsizei width, GLsizei height,
+                                     GLsizei depth, GLenum format,
+                                     GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(3, target, texture, level, xoffset, yoffset,
+                            zoffset, width, height, depth, format,
+                            imageSize, data,
+                            TEX_MODE_EXT_DSA_TEXTURE,
+                            "glCompressedTextureSubImage3DEXT");
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedMultiTexSubImage3DEXT(GLenum texunit, GLenum target,
+                                      GLint level, GLint xoffset, GLint yoffset,
+                                      GLint zoffset, GLsizei width, GLsizei height,
+                                      GLsizei depth, GLenum format,
+                                      GLsizei imageSize, const GLvoid *data)
+{
+   compressed_tex_sub_image(3, target, texunit - GL_TEXTURE0, level,
+                            xoffset, yoffset, zoffset, width, height, depth,
+                            format, imageSize, data,
+                            TEX_MODE_EXT_DSA_TEXUNIT,
+                            "glCompressedMultiTexSubImage3DEXT");
+}
+
+
+mesa_format
+_mesa_get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
 {
    if (ctx->API == API_OPENGL_COMPAT) {
       switch (internalFormat) {
@@ -5210,7 +6068,7 @@ get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
    case GL_RGBA8:
       return MESA_FORMAT_R8G8B8A8_UNORM;
    case GL_RGBA16:
-      if (_mesa_is_gles(ctx))
+      if (_mesa_is_gles(ctx) && !_mesa_has_EXT_texture_norm16(ctx))
          return MESA_FORMAT_NONE;
       return MESA_FORMAT_RGBA_UNORM16;
    case GL_RGBA16F_ARB:
@@ -5233,7 +6091,7 @@ get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
    case GL_RG8:
       return MESA_FORMAT_R8G8_UNORM;
    case GL_RG16:
-      if (_mesa_is_gles(ctx))
+      if (_mesa_is_gles(ctx) && !_mesa_has_EXT_texture_norm16(ctx))
          return MESA_FORMAT_NONE;
       return MESA_FORMAT_R16G16_UNORM;
    case GL_RG16F:
@@ -5256,7 +6114,7 @@ get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
    case GL_R8:
       return MESA_FORMAT_R_UNORM8;
    case GL_R16:
-      if (_mesa_is_gles(ctx))
+      if (_mesa_is_gles(ctx) && !_mesa_has_EXT_texture_norm16(ctx))
          return MESA_FORMAT_NONE;
       return MESA_FORMAT_R_UNORM16;
    case GL_R16F:
@@ -5286,7 +6144,7 @@ mesa_format
 _mesa_validate_texbuffer_format(const struct gl_context *ctx,
                                 GLenum internalFormat)
 {
-   mesa_format format = get_texbuffer_format(ctx, internalFormat);
+   mesa_format format = _mesa_get_texbuffer_format(ctx, internalFormat);
    GLenum datatype;
 
    if (format == MESA_FORMAT_NONE)
@@ -5338,8 +6196,8 @@ texture_buffer_range(struct gl_context *ctx,
    GLsizeiptr oldSize = texObj->BufferSize;
    mesa_format format;
 
-   /* NOTE: ARB_texture_buffer_object has interactions with
-    * the compatibility profile that are not implemented.
+   /* NOTE: ARB_texture_buffer_object might not be supported in
+    * the compatibility profile.
     */
    if (!_mesa_has_ARB_texture_buffer_object(ctx) &&
        !_mesa_has_OES_texture_buffer(ctx)) {
@@ -5616,7 +6474,8 @@ _mesa_TextureBufferRange(GLuint texture, GLenum internalFormat, GLuint buffer,
 }
 
 GLboolean
-_mesa_is_renderable_texture_format(struct gl_context *ctx, GLenum internalformat)
+_mesa_is_renderable_texture_format(const struct gl_context *ctx,
+                                   GLenum internalformat)
 {
    /* Everything that is allowed for renderbuffers,
     * except for a base format of GL_STENCIL_INDEX, unless supported.
@@ -5651,11 +6510,13 @@ check_multisample_target(GLuint dims, GLenum target, bool dsa)
 static void
 texture_image_multisample(struct gl_context *ctx, GLuint dims,
                           struct gl_texture_object *texObj,
+                          struct gl_memory_object *memObj,
                           GLenum target, GLsizei samples,
                           GLint internalformat, GLsizei width,
                           GLsizei height, GLsizei depth,
                           GLboolean fixedsamplelocations,
-                          GLboolean immutable, const char *func)
+                          GLboolean immutable, GLuint64 offset,
+                          const char *func)
 {
    struct gl_texture_image *texImage;
    GLboolean sizeOK, dimensionsOK, samplesOK;
@@ -5680,14 +6541,10 @@ texture_image_multisample(struct gl_context *ctx, GLuint dims,
    }
 
    if (!check_multisample_target(dims, target, dsa)) {
-      if (dsa) {
-         _mesa_error(ctx, GL_INVALID_OPERATION, "%s(target)", func);
-         return;
-      }
-      else {
-         _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func);
-         return;
-      }
+      GLenum err = dsa ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
+      _mesa_error(ctx, err, "%s(target=%s)", func,
+                  _mesa_enum_to_string(target));
+      return;
    }
 
    /* check that the specified internalformat is color/depth/stencil-renderable;
@@ -5716,7 +6573,7 @@ texture_image_multisample(struct gl_context *ctx, GLuint dims,
    }
 
    sample_count_error = _mesa_check_sample_count(ctx, target,
-         internalformat, samples);
+         internalformat, samples, samples);
    samplesOK = sample_count_error == GL_NO_ERROR;
 
    /* Page 254 of OpenGL 4.4 spec says:
@@ -5728,7 +6585,7 @@ texture_image_multisample(struct gl_context *ctx, GLuint dims,
     *    However, if samples is not supported, then no error is generated.
     */
    if (!samplesOK && !_mesa_is_proxy_texture(target)) {
-      _mesa_error(ctx, sample_count_error, "%s(samples)", func);
+      _mesa_error(ctx, sample_count_error, "%s(samples=%d)", func, samples);
       return;
    }
 
@@ -5758,9 +6615,9 @@ texture_image_multisample(struct gl_context *ctx, GLuint dims,
 
    if (_mesa_is_proxy_texture(target)) {
       if (samplesOK && dimensionsOK && sizeOK) {
-         init_teximage_fields_ms(ctx, texImage, width, height, depth, 0,
-                                 internalformat, texFormat,
-                                 samples, fixedsamplelocations);
+         _mesa_init_teximage_fields_ms(ctx, texImage, width, height, depth, 0,
+                                       internalformat, texFormat,
+                                       samples, fixedsamplelocations);
       }
       else {
          /* clear all image fields */
@@ -5787,19 +6644,30 @@ texture_image_multisample(struct gl_context *ctx, GLuint dims,
 
       ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
 
-      init_teximage_fields_ms(ctx, texImage, width, height, depth, 0,
-                              internalformat, texFormat,
-                              samples, fixedsamplelocations);
+      _mesa_init_teximage_fields_ms(ctx, texImage, width, height, depth, 0,
+                                    internalformat, texFormat,
+                                    samples, fixedsamplelocations);
 
       if (width > 0 && height > 0 && depth > 0) {
-         if (!ctx->Driver.AllocTextureStorage(ctx, texObj, 1,
-                                              width, height, depth)) {
-            /* tidy up the texture image state. strictly speaking,
-             * we're allowed to just leave this in whatever state we
-             * like, but being tidy is good.
-             */
-            _mesa_init_teximage_fields(ctx, texImage,
-                  0, 0, 0, 0, internalformat, texFormat);
+         if (memObj) {
+            if (!ctx->Driver.SetTextureStorageForMemoryObject(ctx, texObj,
+                                                              memObj, 1, width,
+                                                              height, depth,
+                                                              offset)) {
+
+               _mesa_init_teximage_fields(ctx, texImage, 0, 0, 0, 0,
+                                          internalformat, texFormat);
+            }
+         } else {
+            if (!ctx->Driver.AllocTextureStorage(ctx, texObj, 1,
+                                                 width, height, depth)) {
+               /* tidy up the texture image state. strictly speaking,
+                * we're allowed to just leave this in whatever state we
+                * like, but being tidy is good.
+                */
+               _mesa_init_teximage_fields(ctx, texImage, 0, 0, 0, 0,
+                                          internalformat, texFormat);
+            }
          }
       }
 
@@ -5826,9 +6694,9 @@ _mesa_TexImage2DMultisample(GLenum target, GLsizei samples,
    if (!texObj)
       return;
 
-   texture_image_multisample(ctx, 2, texObj, target, samples,
+   texture_image_multisample(ctx, 2, texObj, NULL, target, samples,
                              internalformat, width, height, 1,
-                             fixedsamplelocations, GL_FALSE,
+                             fixedsamplelocations, GL_FALSE, 0,
                              "glTexImage2DMultisample");
 }
 
@@ -5846,15 +6714,15 @@ _mesa_TexImage3DMultisample(GLenum target, GLsizei samples,
    if (!texObj)
       return;
 
-   texture_image_multisample(ctx, 3, texObj, target, samples,
+   texture_image_multisample(ctx, 3, texObj, NULL, target, samples,
                              internalformat, width, height, depth,
-                             fixedsamplelocations, GL_FALSE,
+                             fixedsamplelocations, GL_FALSE, 0,
                              "glTexImage3DMultisample");
 }
 
 static bool
 valid_texstorage_ms_parameters(GLsizei width, GLsizei height, GLsizei depth,
-                               GLsizei samples, unsigned dims)
+                               unsigned dims)
 {
    GET_CURRENT_CONTEXT(ctx);
 
@@ -5879,12 +6747,12 @@ _mesa_TexStorage2DMultisample(GLenum target, GLsizei samples,
    if (!texObj)
       return;
 
-   if (!valid_texstorage_ms_parameters(width, height, 1, samples, 2))
+   if (!valid_texstorage_ms_parameters(width, height, 1, 2))
       return;
 
-   texture_image_multisample(ctx, 2, texObj, target, samples,
+   texture_image_multisample(ctx, 2, texObj, NULL, target, samples,
                              internalformat, width, height, 1,
-                             fixedsamplelocations, GL_TRUE,
+                             fixedsamplelocations, GL_TRUE, 0,
                              "glTexStorage2DMultisample");
 }
 
@@ -5901,12 +6769,12 @@ _mesa_TexStorage3DMultisample(GLenum target, GLsizei samples,
    if (!texObj)
       return;
 
-   if (!valid_texstorage_ms_parameters(width, height, depth, samples, 3))
+   if (!valid_texstorage_ms_parameters(width, height, depth, 3))
       return;
 
-   texture_image_multisample(ctx, 3, texObj, target, samples,
+   texture_image_multisample(ctx, 3, texObj, NULL, target, samples,
                              internalformat, width, height, depth,
-                             fixedsamplelocations, GL_TRUE,
+                             fixedsamplelocations, GL_TRUE, 0,
                              "glTexStorage3DMultisample");
 }
 
@@ -5924,12 +6792,12 @@ _mesa_TextureStorage2DMultisample(GLuint texture, GLsizei samples,
    if (!texObj)
       return;
 
-   if (!valid_texstorage_ms_parameters(width, height, 1, samples, 2))
+   if (!valid_texstorage_ms_parameters(width, height, 1, 2))
       return;
 
-   texture_image_multisample(ctx, 2, texObj, texObj->Target, samples,
-                             internalformat, width, height, 1,
-                             fixedsamplelocations, GL_TRUE,
+   texture_image_multisample(ctx, 2, texObj, NULL, texObj->Target,
+                             samples, internalformat, width, height, 1,
+                             fixedsamplelocations, GL_TRUE, 0,
                              "glTextureStorage2DMultisample");
 }
 
@@ -5948,11 +6816,29 @@ _mesa_TextureStorage3DMultisample(GLuint texture, GLsizei samples,
    if (!texObj)
       return;
 
-   if (!valid_texstorage_ms_parameters(width, height, depth, samples, 3))
+   if (!valid_texstorage_ms_parameters(width, height, depth, 3))
       return;
 
-   texture_image_multisample(ctx, 3, texObj, texObj->Target, samples,
+   texture_image_multisample(ctx, 3, texObj, NULL, texObj->Target, samples,
                              internalformat, width, height, depth,
-                             fixedsamplelocations, GL_TRUE,
+                             fixedsamplelocations, GL_TRUE, 0,
                              "glTextureStorage3DMultisample");
 }
+
+void
+_mesa_texture_storage_ms_memory(struct gl_context *ctx, GLuint dims,
+                                struct gl_texture_object *texObj,
+                                struct gl_memory_object *memObj,
+                                GLenum target, GLsizei samples,
+                                GLenum internalFormat, GLsizei width,
+                                GLsizei height, GLsizei depth,
+                                GLboolean fixedSampleLocations,
+                                GLuint64 offset, const char* func)
+{
+   assert(memObj);
+
+   texture_image_multisample(ctx, dims, texObj, memObj, target, samples,
+                             internalFormat, width, height, depth,
+                             fixedSampleLocations, GL_TRUE, offset,
+                             func);
+}