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-rw-r--r--src/mesa/main/texobj.c41
-rw-r--r--src/mesa/main/texobj.h5
2 files changed, 46 insertions, 0 deletions
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index 02c47677880..db405988239 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -1511,6 +1511,47 @@ delete_textures(struct gl_context *ctx, GLsizei n, const GLuint *textures)
}
}
+/**
+ * This deletes a texObj without altering the hash table.
+ */
+void
+_mesa_delete_nameless_texture(struct gl_context *ctx,
+ struct gl_texture_object *texObj)
+{
+ if (!texObj)
+ return;
+
+ FLUSH_VERTICES(ctx, 0);
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ /* Check if texture is bound to any framebuffer objects.
+ * If so, unbind.
+ * See section 4.4.2.3 of GL_EXT_framebuffer_object.
+ */
+ unbind_texobj_from_fbo(ctx, texObj);
+
+ /* Check if this texture is currently bound to any texture units.
+ * If so, unbind it.
+ */
+ unbind_texobj_from_texunits(ctx, texObj);
+
+ /* Check if this texture is currently bound to any shader
+ * image unit. If so, unbind it.
+ * See section 3.9.X of GL_ARB_shader_image_load_store.
+ */
+ unbind_texobj_from_image_units(ctx, texObj);
+ }
+ _mesa_unlock_texture(ctx, texObj);
+
+ ctx->NewState |= _NEW_TEXTURE_OBJECT;
+
+ /* Unreference the texobj. If refcount hits zero, the texture
+ * will be deleted.
+ */
+ _mesa_reference_texobj(&texObj, NULL);
+}
+
void GLAPIENTRY
_mesa_DeleteTextures_no_error(GLsizei n, const GLuint *textures)
diff --git a/src/mesa/main/texobj.h b/src/mesa/main/texobj.h
index e67ce3ff9df..8dea85303d6 100644
--- a/src/mesa/main/texobj.h
+++ b/src/mesa/main/texobj.h
@@ -171,6 +171,11 @@ _mesa_unlock_context_textures( struct gl_context *ctx );
extern void
_mesa_lock_context_textures( struct gl_context *ctx );
+extern void
+_mesa_delete_nameless_texture(struct gl_context *ctx,
+ struct gl_texture_object *texObj);
+
+
/*@}*/
/**