summaryrefslogtreecommitdiff
path: root/cogl/cogl/cogl-atlas-texture-private.h
diff options
context:
space:
mode:
Diffstat (limited to 'cogl/cogl/cogl-atlas-texture-private.h')
-rw-r--r--cogl/cogl/cogl-atlas-texture-private.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/cogl/cogl/cogl-atlas-texture-private.h b/cogl/cogl/cogl-atlas-texture-private.h
new file mode 100644
index 000000000..ba83bf9eb
--- /dev/null
+++ b/cogl/cogl/cogl-atlas-texture-private.h
@@ -0,0 +1,81 @@
+/*
+ * Cogl
+ *
+ * A Low Level GPU Graphics and Utilities API
+ *
+ * Copyright (C) 2009 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ *
+ */
+
+#ifndef _COGL_ATLAS_TEXTURE_PRIVATE_H_
+#define _COGL_ATLAS_TEXTURE_PRIVATE_H_
+
+#include "cogl-object-private.h"
+#include "cogl-texture-private.h"
+#include "cogl-rectangle-map.h"
+#include "cogl-atlas.h"
+#include "cogl-atlas-texture.h"
+
+struct _CoglAtlasTexture
+{
+ CoglTexture _parent;
+
+ /* The format that the texture is in. This isn't necessarily the
+ same format as the atlas texture because we can store
+ pre-multiplied and non-pre-multiplied textures together */
+ CoglPixelFormat internal_format;
+
+ /* The rectangle that was used to add this texture to the
+ atlas. This includes the 1-pixel border */
+ CoglRectangleMapEntry rectangle;
+
+ /* The atlas that this texture is in. If the texture is no longer in
+ an atlas then this will be NULL. A reference is taken on the
+ atlas by the texture (but not vice versa so there is no cycle) */
+ CoglAtlas *atlas;
+
+ /* Either a CoglSubTexture representing the atlas region for easy
+ * rendering or if the texture has been migrated out of the atlas it
+ * may be some other texture type such as CoglTexture2D */
+ CoglTexture *sub_texture;
+};
+
+CoglAtlasTexture *
+_cogl_atlas_texture_new_from_bitmap (CoglBitmap *bmp,
+ CoglBool can_convert_in_place);
+
+void
+_cogl_atlas_texture_add_reorganize_callback (CoglContext *ctx,
+ GHookFunc callback,
+ void *user_data);
+
+void
+_cogl_atlas_texture_remove_reorganize_callback (CoglContext *ctx,
+ GHookFunc callback,
+ void *user_data);
+
+CoglBool
+_cogl_is_atlas_texture (void *object);
+
+#endif /* _COGL_ATLAS_TEXTURE_PRIVATE_H_ */