mesa: add new driver hook for AllocTextureStorage()

2011-10-31 10:52:56 -06:00
parent b296315881
commit 2e322bb8d1
1 changed files with 9 additions and 0 deletions
@@ -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