mutter/cogl/cogl-journal-private.h

/*
 * 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,
                        const float  *tex_coords,
                        unsigned int  tex_coords_len);

#endif /* __COGL_JOURNAL_PRIVATE_H */