103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
|
/*
|
||
|
|
* Cogl
|
||
|
|
*
|
||
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
||
|
|
*
|
||
|
|
* Copyright (C) 2010 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.
|
||
|
|
*
|
||
|
|
* Authors:
|
||
|
|
* Damien Lespiau <damien.lespiau@intel.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __COGL_BUFFER_PRIVATE_H__
|
||
|
|
#define __COGL_BUFFER_PRIVATE_H__
|
||
|
|
|
||
|
|
#include <glib.h>
|
||
|
|
|
||
|
|
#include "cogl-handle.h"
|
||
|
|
#include "cogl-buffer.h"
|
||
|
|
|
||
|
|
G_BEGIN_DECLS
|
||
|
|
|
||
|
|
#define COGL_BUFFER(buffer) ((CoglBuffer *)(buffer))
|
||
|
|
|
||
|
|
#define COGL_BUFFER_SET_FLAG(buffer, flag) \
|
||
|
|
((buffer)->flags |= (COGL_BUFFER_FLAG_ ## flag))
|
||
|
|
|
||
|
|
#define COGL_BUFFER_CLEAR_FLAG(buffer, flag) \
|
||
|
|
((buffer)->flags &= ~(COGL_BUFFER_FLAG_ ## flag))
|
||
|
|
|
||
|
|
#define COGL_BUFFER_FLAG_IS_SET(buffer, flag) \
|
||
|
|
((buffer)->flags & (COGL_BUFFER_FLAG_ ## flag))
|
||
|
|
|
||
|
|
typedef struct _CoglBuffer CoglBuffer;
|
||
|
|
typedef struct _CoglBufferVtable CoglBufferVtable;
|
||
|
|
|
||
|
|
struct _CoglBufferVtable
|
||
|
|
{
|
||
|
|
guchar * (* map) (CoglBuffer *buffer,
|
||
|
|
CoglBufferAccess access);
|
||
|
|
|
||
|
|
void (* unmap) (CoglBuffer *buffer);
|
||
|
|
|
||
|
|
gboolean (* set_data) (CoglBuffer *buffer,
|
||
|
|
guint offset,
|
||
|
|
const guchar *data,
|
||
|
|
guint size);
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef enum _CoglBufferFlags
|
||
|
|
{
|
||
|
|
COGL_BUFFER_FLAG_NONE = 0,
|
||
|
|
COGL_BUFFER_FLAG_BUFFER_OBJECT = 1UL << 0, /* real openGL buffer object */
|
||
|
|
COGL_BUFFER_FLAG_MAPPED = 1UL << 1
|
||
|
|
} CoglBufferFlags;
|
||
|
|
|
||
|
|
struct _CoglBuffer
|
||
|
|
{
|
||
|
|
CoglHandleObject _parent;
|
||
|
|
const CoglBufferVtable *vtable;
|
||
|
|
|
||
|
|
CoglBufferFlags flags;
|
||
|
|
|
||
|
|
GLuint gl_handle; /* OpenGL handle */
|
||
|
|
guint size; /* size of the buffer, in bytes */
|
||
|
|
CoglBufferUsageHint usage_hint;
|
||
|
|
CoglBufferUpdateHint update_hint;
|
||
|
|
|
||
|
|
guchar *data; /* points to the mapped memory when
|
||
|
|
* the CoglBuffer is a VBO, PBO, ... or
|
||
|
|
* points to allocated memory in the
|
||
|
|
* fallback paths */
|
||
|
|
};
|
||
|
|
|
||
|
|
void _cogl_buffer_initialize (CoglBuffer *buffer,
|
||
|
|
guint size,
|
||
|
|
CoglBufferUsageHint usage_hint,
|
||
|
|
CoglBufferUpdateHint update_hint);
|
||
|
|
void _cogl_buffer_fini (CoglBuffer *buffer);
|
||
|
|
void _cogl_buffer_bind (CoglBuffer *buffer,
|
||
|
|
GLenum target);
|
||
|
|
GLenum _cogl_buffer_access_to_gl_enum (CoglBufferAccess access);
|
||
|
|
GLenum _cogl_buffer_hints_to_gl_enum (CoglBufferUsageHint usage_hint,
|
||
|
|
CoglBufferUpdateHint update_hint);
|
||
|
|
|
||
|
|
G_END_DECLS
|
||
|
|
|
||
|
|
#endif /* __COGL_BUFFER_PRIVATE_H__ */
|