mesa: add new driver hook for AllocTextureStorage()

diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 8607008dee6a47543713914fc38a0ab9530bc3a9..86a547da32eb7bafa9d4f3e2fc795482d0c9ee74 100644 (file)
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -514,6 +514,15 @@ struct dd_function_table {
    /** Unmap texture images from user space */
    void (*UnmapTexture)( struct gl_context *ctx, struct gl_texture_object *tObj );
 
+   /** For GL_ARB_texture_storage.  Allocate memory for whole mipmap stack.
+    * All the gl_texture_images in the texture object will have their
+    * dimensions, format, etc. initialized already.
+    */
+   GLboolean (*AllocTextureStorage)(struct gl_context *ctx,
+                                    struct gl_texture_object *texObj,
+                                    GLsizei levels, GLsizei width,
+                                    GLsizei height, GLsizei depth);
+
    /**
     * Note: no context argument.  This function doesn't initially look
     * like it belongs here, except that the driver is the only entity