+extern void
+_mesa_memcpy_texture(struct gl_context *ctx,
+ GLuint dimensions,
+ mesa_format dstFormat,
+ GLint dstRowStride,
+ GLubyte **dstSlices,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *srcAddr,
+ const struct gl_pixelstore_attrib *srcPacking);
+