mesa: add new DeleteTextureImage() driver hook

Matches the NewTextureImage() hook.  With new subclasses of
gl_texture_image coming we need a new hook to properly delete objects of
those subclasses.

3 files changed, 7 insertions, 2 deletions

diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index d6cc0196d8d..18b1b01d60c 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -476,6 +476,10 @@ struct dd_function_table {
     */
    struct gl_texture_image * (*NewTextureImage)( struct gl_context *ctx );
 
+   /** Called to free a texture image object returned by NewTextureImage() */
+   void (*DeleteTextureImage)(struct gl_context *ctx,
+                              struct gl_texture_image *);
+
    /** 
     * Called to free tImage->Data.
     */
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index e11acc41281..2973b6de3a3 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -601,7 +601,8 @@ _mesa_free_texture_image_data(struct gl_context *ctx,
 
 
 /**
- * Free texture image.
+ * Free a gl_texture_image and associated data.
+ * This function is a fallback called via ctx->Driver.DeleteTextureImage().
  *
  * \param texImage texture image.
  *
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index 1168f1842f3..1b90cca9b94 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -202,7 +202,7 @@ _mesa_delete_texture_object(struct gl_context *ctx,
    for (face = 0; face < 6; face++) {
       for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
          if (texObj->Image[face][i]) {
-            _mesa_delete_texture_image( ctx, texObj->Image[face][i] );
+            ctx->Driver.DeleteTextureImage(ctx, texObj->Image[face][i]);
          }
       }
    }