[cogl-primitives] Split the journal out from cogl-primitives.c

The Journal can be considered a standalone component, so even though
it's currently only used to log quads, it seems better to split it
out into its own file.

1 files changed, 57 insertions, 0 deletions

diff --git a/cogl/cogl-journal-private.h b/cogl/cogl-journal-private.h
new file mode 100644
index 00000000..dc008f67
--- /dev/null
+++ b/cogl/cogl-journal-private.h
@@ -0,0 +1,57 @@
+/*
+ * Cogl
+ *
+ * An object oriented GL/GLES Abstraction/Utility Layer
+ *
+ * Copyright (C) 2007,2008,2009 Intel Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __COGL_JOURNAL_PRIVATE_H
+#define __COGL_JOURNAL_PRIVATE_H
+
+#include "cogl-handle.h"
+
+/* To improve batching of geometry when submitting vertices to OpenGL we
+ * log the texture rectangles we want to draw to a journal, so when we
+ * later flush the journal we aim to batch data, and gl draw calls. */
+typedef struct _CoglJournalEntry
+{
+  CoglHandle               material;
+  int                      n_layers;
+  CoglMaterialFlushOptions flush_options;
+  CoglMatrix               model_view;
+  /* XXX: These entries are pretty big now considering the padding in
+   * CoglMaterialFlushOptions and CoglMatrix, so we might need to optimize this
+   * later. */
+} CoglJournalEntry;
+
+void _cogl_journal_flush (void);
+
+void
+_cogl_journal_log_quad (float         x_1,
+                        float         y_1,
+                        float         x_2,
+                        float         y_2,
+                        CoglHandle    material,
+                        int           n_layers,
+                        guint32       fallback_layers,
+                        GLuint        layer0_override_texture,
+                        float        *tex_coords,
+                        unsigned int  tex_coords_len);
+
+#endif /* __COGL_JOURNAL_PRIVATE_H */